/src/njs/src/njs_parser.c
Line | Count | Source (jump to first uncovered line) |
1 | | |
2 | | /* |
3 | | * Copyright (C) Igor Sysoev |
4 | | * Copyright (C) Alexander Borisov |
5 | | * Copyright (C) NGINX, Inc. |
6 | | */ |
7 | | |
8 | | |
9 | | #include <njs_main.h> |
10 | | |
11 | | |
12 | | static njs_int_t njs_parser_scope_begin(njs_parser_t *parser, njs_scope_t type, |
13 | | njs_bool_t init_this); |
14 | | static void njs_parser_scope_end(njs_parser_t *parser); |
15 | | |
16 | | static njs_int_t njs_parser_check_error_state(njs_parser_t *parser, |
17 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
18 | | |
19 | | static njs_int_t njs_parser_primary_expression_test(njs_parser_t *parser, |
20 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
21 | | static njs_int_t njs_parser_regexp_literal(njs_parser_t *parser, |
22 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
23 | | static njs_int_t njs_parser_template_literal(njs_parser_t *parser, |
24 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
25 | | static njs_int_t njs_parser_template_literal_string(njs_parser_t *parser, |
26 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
27 | | static njs_int_t njs_parser_template_literal_expression( |
28 | | njs_parser_t *parser, njs_lexer_token_t *token, njs_queue_link_t *current); |
29 | | static njs_int_t njs_parser_cover_parenthesized_expression( |
30 | | njs_parser_t *parser, njs_lexer_token_t *token, njs_queue_link_t *current); |
31 | | static njs_int_t njs_parser_binding_identifier_pattern(njs_parser_t *parser, |
32 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
33 | | static njs_int_t njs_parser_cover_parenthesized_expression_after( |
34 | | njs_parser_t *parser, njs_lexer_token_t *token, njs_queue_link_t *current); |
35 | | static njs_int_t njs_parser_cover_parenthesized_expression_end( |
36 | | njs_parser_t *parser, njs_lexer_token_t *token, njs_queue_link_t *current); |
37 | | |
38 | | static njs_int_t njs_parser_array_literal(njs_parser_t *parser, |
39 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
40 | | static njs_int_t njs_parser_array_element_list(njs_parser_t *parser, |
41 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
42 | | static njs_int_t njs_parser_array_after(njs_parser_t *parser, |
43 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
44 | | static njs_int_t njs_parser_array_spread_element(njs_parser_t *parser, |
45 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
46 | | |
47 | | static njs_int_t njs_parser_object_literal(njs_parser_t *parser, |
48 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
49 | | static njs_int_t njs_parser_object_literal_after(njs_parser_t *parser, |
50 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
51 | | static njs_int_t njs_parser_property_definition_list(njs_parser_t *parser, |
52 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
53 | | static njs_int_t njs_parser_property_definition_list_after( |
54 | | njs_parser_t *parser, njs_lexer_token_t *token, njs_queue_link_t *current); |
55 | | static njs_int_t njs_parser_property_definition(njs_parser_t *parser, |
56 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
57 | | static njs_int_t njs_parser_property_definition_after(njs_parser_t *parser, |
58 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
59 | | static njs_int_t njs_parser_computed_property_name_after(njs_parser_t *parser, |
60 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
61 | | static njs_int_t njs_parser_computed_property_async_after(njs_parser_t *parser, |
62 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
63 | | static njs_int_t njs_parser_computed_property_name_handler(njs_parser_t *parser, |
64 | | njs_lexer_token_t *token, njs_queue_link_t *current, njs_bool_t async); |
65 | | |
66 | | static njs_int_t njs_parser_initializer(njs_parser_t *parser, |
67 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
68 | | static njs_int_t njs_parser_initializer_after(njs_parser_t *parser, |
69 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
70 | | static njs_int_t njs_parser_initializer_assign(njs_parser_t *parser, |
71 | | njs_token_type_t type); |
72 | | |
73 | | static njs_int_t njs_parser_member_expression(njs_parser_t *parser, |
74 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
75 | | static njs_int_t njs_parser_member_expression_next(njs_parser_t *parser, |
76 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
77 | | static njs_int_t njs_parser_member_expression_bracket(njs_parser_t *parser, |
78 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
79 | | static njs_int_t njs_parser_member_expression_new_next(njs_parser_t *parser, |
80 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
81 | | static njs_int_t njs_parser_super_property(njs_parser_t *parser, |
82 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
83 | | static njs_int_t njs_parser_member_expression_import(njs_parser_t *parser, |
84 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
85 | | static njs_int_t njs_parser_member_expression_new(njs_parser_t *parser, |
86 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
87 | | static njs_int_t njs_parser_member_expression_new_after(njs_parser_t *parser, |
88 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
89 | | static njs_int_t njs_parser_member_expression_new_args(njs_parser_t *parser, |
90 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
91 | | |
92 | | static njs_parser_node_t *njs_parser_create_call(njs_parser_t *parser, |
93 | | njs_parser_node_t *node, uint8_t ctor); |
94 | | static njs_int_t njs_parser_call_expression(njs_parser_t *parser, |
95 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
96 | | static njs_int_t njs_parser_call_expression_args(njs_parser_t *parser, |
97 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
98 | | static njs_int_t njs_parser_call_expression_after(njs_parser_t *parser, |
99 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
100 | | static njs_int_t njs_parser_arguments(njs_parser_t *parser, |
101 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
102 | | static njs_int_t njs_parser_parenthesis_or_comma(njs_parser_t *parser, |
103 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
104 | | static njs_int_t njs_parser_argument_list(njs_parser_t *parser, |
105 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
106 | | static njs_int_t njs_parser_argument_list_after(njs_parser_t *parser, |
107 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
108 | | static njs_int_t njs_parser_optional_expression_after(njs_parser_t *parser, |
109 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
110 | | static njs_int_t njs_parser_optional_chain(njs_parser_t *parser, |
111 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
112 | | static njs_int_t njs_parser_optional_chain_after(njs_parser_t *parser, |
113 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
114 | | static njs_int_t njs_parser_new_expression(njs_parser_t *parser, |
115 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
116 | | static njs_int_t njs_parser_new_expression_after(njs_parser_t *parser, |
117 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
118 | | static njs_int_t njs_parser_left_hand_side_expression(njs_parser_t *parser, |
119 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
120 | | static njs_int_t njs_parser_left_hand_side_expression_after( |
121 | | njs_parser_t *parser, njs_lexer_token_t *token, njs_queue_link_t *current); |
122 | | static njs_int_t njs_parser_left_hand_side_expression_node( |
123 | | njs_parser_t *parser, njs_lexer_token_t *token, njs_queue_link_t *current); |
124 | | static njs_int_t njs_parser_left_hand_side_expression_optional( |
125 | | njs_parser_t *parser, njs_lexer_token_t *token, njs_queue_link_t *current); |
126 | | static njs_int_t njs_parser_update_expression(njs_parser_t *parser, |
127 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
128 | | static njs_int_t njs_parser_update_expression_post(njs_parser_t *parser, |
129 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
130 | | static njs_int_t njs_parser_update_expression_unary(njs_parser_t *parser, |
131 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
132 | | |
133 | | static njs_int_t njs_parser_unary_expression(njs_parser_t *parser, |
134 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
135 | | static njs_int_t njs_parser_unary_expression_after(njs_parser_t *parser, |
136 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
137 | | static njs_int_t njs_parser_unary_expression_next(njs_parser_t *parser, |
138 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
139 | | static njs_int_t njs_parser_await(njs_parser_t *parser, |
140 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
141 | | static njs_int_t njs_parser_await_after(njs_parser_t *parser, |
142 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
143 | | |
144 | | static njs_int_t njs_parser_exponentiation_expression(njs_parser_t *parser, |
145 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
146 | | static njs_int_t njs_parser_exponentiation_expression_match( |
147 | | njs_parser_t *parser, njs_lexer_token_t *token, njs_queue_link_t *current); |
148 | | |
149 | | static njs_int_t njs_parser_multiplicative_expression(njs_parser_t *parser, |
150 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
151 | | static njs_int_t njs_parser_multiplicative_expression_match( |
152 | | njs_parser_t *parser, njs_lexer_token_t *token, njs_queue_link_t *current); |
153 | | |
154 | | static njs_int_t njs_parser_additive_expression(njs_parser_t *parser, |
155 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
156 | | static njs_int_t njs_parser_additive_expression_match(njs_parser_t *parser, |
157 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
158 | | |
159 | | static njs_int_t njs_parser_shift_expression(njs_parser_t *parser, |
160 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
161 | | static njs_int_t njs_parser_shift_expression_match(njs_parser_t *parser, |
162 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
163 | | |
164 | | static njs_int_t njs_parser_relational_expression(njs_parser_t *parser, |
165 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
166 | | static njs_int_t njs_parser_relational_expression_match(njs_parser_t *parser, |
167 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
168 | | |
169 | | static njs_int_t njs_parser_equality_expression(njs_parser_t *parser, |
170 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
171 | | static njs_int_t njs_parser_equality_expression_match(njs_parser_t *parser, |
172 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
173 | | |
174 | | static njs_int_t njs_parser_bitwise_AND_expression(njs_parser_t *parser, |
175 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
176 | | static njs_int_t njs_parser_bitwise_AND_expression_and(njs_parser_t *parser, |
177 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
178 | | static njs_int_t njs_parser_bitwise_XOR_expression(njs_parser_t *parser, |
179 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
180 | | static njs_int_t njs_parser_bitwise_XOR_expression_xor(njs_parser_t *parser, |
181 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
182 | | static njs_int_t njs_parser_bitwise_OR_expression(njs_parser_t *parser, |
183 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
184 | | static njs_int_t njs_parser_bitwise_OR_expression_or(njs_parser_t *parser, |
185 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
186 | | |
187 | | static njs_int_t njs_parser_logical_AND_expression(njs_parser_t *parser, |
188 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
189 | | static njs_int_t njs_parser_logical_AND_expression_and(njs_parser_t *parser, |
190 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
191 | | static njs_int_t njs_parser_logical_OR_expression(njs_parser_t *parser, |
192 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
193 | | static njs_int_t njs_parser_logical_OR_expression_or(njs_parser_t *parser, |
194 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
195 | | static njs_int_t njs_parser_coalesce_expression(njs_parser_t *parser, |
196 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
197 | | static njs_int_t njs_parser_short_circuit_expression(njs_parser_t *parser, |
198 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
199 | | |
200 | | static njs_int_t njs_parser_conditional_expression(njs_parser_t *parser, |
201 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
202 | | static njs_int_t njs_parser_conditional_question_mark(njs_parser_t *parser, |
203 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
204 | | static njs_int_t njs_parser_conditional_colon(njs_parser_t *parser, |
205 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
206 | | static njs_int_t njs_parser_conditional_colon_after(njs_parser_t *parser, |
207 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
208 | | |
209 | | static njs_int_t njs_parser_assignment_expression(njs_parser_t *parser, |
210 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
211 | | static njs_int_t njs_parser_match_arrow_expression(njs_parser_t *parser, |
212 | | njs_lexer_token_t *token); |
213 | | static njs_int_t njs_parser_assignment_expression_after(njs_parser_t *parser, |
214 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
215 | | static njs_int_t njs_parser_assignment_operator(njs_parser_t *parser, |
216 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
217 | | static njs_int_t njs_parser_assignment_operator_after(njs_parser_t *parser, |
218 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
219 | | |
220 | | static njs_int_t njs_parser_expression(njs_parser_t *parser, |
221 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
222 | | static njs_int_t njs_parser_expression_comma(njs_parser_t *parser, |
223 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
224 | | |
225 | | static njs_int_t njs_parser_statement(njs_parser_t *parser, |
226 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
227 | | static njs_int_t njs_parser_statement_wo_node(njs_parser_t *parser, |
228 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
229 | | static njs_int_t njs_parser_statement_after(njs_parser_t *parser, |
230 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
231 | | static njs_int_t njs_parser_declaration(njs_parser_t *parser, |
232 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
233 | | static njs_int_t njs_parser_hoistable_declaration(njs_parser_t *parser, |
234 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
235 | | |
236 | | static njs_int_t njs_parser_block_statement(njs_parser_t *parser, |
237 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
238 | | static njs_int_t njs_parser_block_statement_open_brace(njs_parser_t *parser, |
239 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
240 | | static njs_int_t njs_parser_block_statement_close_brace(njs_parser_t *parser, |
241 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
242 | | static njs_int_t njs_parser_statement_list(njs_parser_t *parser, |
243 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
244 | | static njs_int_t njs_parser_statement_list_next(njs_parser_t *parser, |
245 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
246 | | static njs_int_t njs_parser_statement_list_item(njs_parser_t *parser, |
247 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
248 | | |
249 | | static njs_int_t njs_parser_lexical_declaration(njs_parser_t *parser, |
250 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
251 | | static njs_int_t njs_parser_variable_statement(njs_parser_t *parser, |
252 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
253 | | static njs_int_t njs_parser_variable_declaration_list(njs_parser_t *parser, |
254 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
255 | | static njs_int_t njs_parser_variable_declaration_list_next( |
256 | | njs_parser_t *parser, njs_lexer_token_t *token, njs_queue_link_t *current); |
257 | | static njs_int_t njs_parser_variable_declaration(njs_parser_t *parser, |
258 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
259 | | |
260 | | static njs_int_t njs_parser_binding_pattern(njs_parser_t *parser, |
261 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
262 | | static njs_int_t njs_parser_object_binding_pattern(njs_parser_t *parser, |
263 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
264 | | static njs_int_t njs_parser_array_binding_pattern(njs_parser_t *parser, |
265 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
266 | | |
267 | | static njs_int_t njs_parser_expression_statement(njs_parser_t *parser, |
268 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
269 | | static njs_int_t njs_parser_expression_statement_after(njs_parser_t *parser, |
270 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
271 | | |
272 | | static njs_int_t njs_parser_if_statement(njs_parser_t *parser, |
273 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
274 | | static njs_int_t njs_parser_if_close_parenthesis(njs_parser_t *parser, |
275 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
276 | | static njs_int_t njs_parser_else_statement(njs_parser_t *parser, |
277 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
278 | | static njs_int_t njs_parser_else_statement_after(njs_parser_t *parser, |
279 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
280 | | |
281 | | static njs_int_t njs_parser_iteration_statement_do(njs_parser_t *parser, |
282 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
283 | | static njs_int_t njs_parser_iteration_statement_do_while(njs_parser_t *parser, |
284 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
285 | | static njs_int_t njs_parser_do_while_semicolon(njs_parser_t *parser, |
286 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
287 | | |
288 | | static njs_int_t njs_parser_iteration_statement_while(njs_parser_t *parser, |
289 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
290 | | static njs_int_t njs_parser_while_statement(njs_parser_t *parser, |
291 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
292 | | static njs_int_t njs_parser_while_after(njs_parser_t *parser, |
293 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
294 | | |
295 | | static njs_int_t njs_parser_iteration_statement_for(njs_parser_t *parser, |
296 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
297 | | static njs_int_t njs_parser_for_expression_map_continue( |
298 | | njs_parser_t *parser, njs_lexer_token_t *token, |
299 | | njs_queue_link_t *current); |
300 | | static njs_int_t njs_parser_for_expression_map_reparse( |
301 | | njs_parser_t *parser, njs_lexer_token_t *token, |
302 | | njs_queue_link_t *current); |
303 | | static njs_int_t njs_parser_expression_continue_op(njs_parser_t *parser, |
304 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
305 | | static njs_int_t njs_parser_expression_continue_assign_comma( |
306 | | njs_parser_t *parser, njs_lexer_token_t *token, |
307 | | njs_queue_link_t *current); |
308 | | static njs_int_t njs_parser_for_in_statement_statement(njs_parser_t *parser, |
309 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
310 | | static njs_int_t njs_parser_iteration_statement_for_map(njs_parser_t *parser, |
311 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
312 | | static njs_int_t njs_parser_for_var_binding_or_var_list(njs_parser_t *parser, |
313 | | njs_lexer_token_t *token, njs_queue_link_t *current, |
314 | | njs_token_type_t token_type); |
315 | | static njs_int_t njs_parser_for_var_in_statement(njs_parser_t *parser, |
316 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
317 | | static njs_int_t njs_parser_for_var_in_statement_after(njs_parser_t *parser, |
318 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
319 | | static njs_int_t njs_parser_for_var_in_of_expression(njs_parser_t *parser, |
320 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
321 | | static njs_int_t njs_parser_for_in_statement(njs_parser_t *parser, |
322 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
323 | | static njs_int_t njs_parser_for_in_statement_after(njs_parser_t *parser, |
324 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
325 | | static njs_int_t njs_parser_for_expression(njs_parser_t *parser, |
326 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
327 | | static njs_int_t njs_parser_for_expression_end(njs_parser_t *parser, |
328 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
329 | | static njs_int_t njs_parser_for_end(njs_parser_t *parser, |
330 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
331 | | |
332 | | static njs_int_t njs_parser_switch_statement(njs_parser_t *parser, |
333 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
334 | | static njs_int_t njs_parser_switch_statement_after(njs_parser_t *parser, |
335 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
336 | | static njs_int_t njs_parser_switch_block(njs_parser_t *parser, |
337 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
338 | | static njs_int_t njs_parser_switch_block_after(njs_parser_t *parser, |
339 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
340 | | static njs_int_t njs_parser_switch_case(njs_parser_t *parser, |
341 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
342 | | static njs_int_t njs_parser_switch_case_wo_def(njs_parser_t *parser, |
343 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
344 | | static njs_int_t njs_parser_switch_case_def(njs_parser_t *parser, |
345 | | njs_lexer_token_t *token, njs_queue_link_t *current, |
346 | | njs_bool_t with_default); |
347 | | static njs_int_t njs_parser_switch_case_after(njs_parser_t *parser, |
348 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
349 | | static njs_int_t njs_parser_switch_case_block(njs_parser_t *parser, |
350 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
351 | | static njs_int_t njs_parser_switch_case_after_wo_def(njs_parser_t *parser, |
352 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
353 | | static njs_int_t njs_parser_switch_case_block_wo_def(njs_parser_t *parser, |
354 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
355 | | |
356 | | static njs_int_t njs_parser_continue_statement(njs_parser_t *parser, |
357 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
358 | | |
359 | | static njs_int_t njs_parser_break_statement(njs_parser_t *parser, |
360 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
361 | | |
362 | | static njs_int_t njs_parser_break_continue(njs_parser_t *parser, |
363 | | njs_lexer_token_t *token, njs_token_type_t type); |
364 | | |
365 | | static njs_int_t njs_parser_return_statement(njs_parser_t *parser, |
366 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
367 | | static njs_int_t njs_parser_return_statement_after(njs_parser_t *parser, |
368 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
369 | | |
370 | | static njs_int_t njs_parser_with_statement(njs_parser_t *parser, |
371 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
372 | | |
373 | | static njs_int_t njs_parser_labelled_statement(njs_parser_t *parser, |
374 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
375 | | static njs_int_t njs_parser_labelled_statement_after(njs_parser_t *parser, |
376 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
377 | | |
378 | | static njs_int_t njs_parser_throw_statement(njs_parser_t *parser, |
379 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
380 | | static njs_int_t njs_parser_throw_statement_after(njs_parser_t *parser, |
381 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
382 | | |
383 | | static njs_int_t njs_parser_try_statement(njs_parser_t *parser, |
384 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
385 | | static njs_int_t njs_parser_catch_or_finally(njs_parser_t *parser, |
386 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
387 | | static njs_int_t njs_parser_catch_after(njs_parser_t *parser, |
388 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
389 | | static njs_int_t njs_parser_catch_parenthesis(njs_parser_t *parser, |
390 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
391 | | static njs_int_t njs_parser_catch_statement_open_brace(njs_parser_t *parser, |
392 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
393 | | static njs_int_t njs_parser_catch_finally(njs_parser_t *parser, |
394 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
395 | | |
396 | | static njs_int_t njs_parser_debugger_statement(njs_parser_t *parser, |
397 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
398 | | |
399 | | static njs_int_t njs_parser_function_declaration(njs_parser_t *parser, |
400 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
401 | | static njs_int_t njs_parser_function_declaration_after(njs_parser_t *parser, |
402 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
403 | | static njs_int_t njs_parser_function_parse(njs_parser_t *parser, |
404 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
405 | | static njs_int_t njs_parser_function_expression(njs_parser_t *parser, |
406 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
407 | | static njs_int_t njs_parser_function_expression_after(njs_parser_t *parser, |
408 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
409 | | static njs_int_t njs_parser_unique_formal_parameters(njs_parser_t *parser, |
410 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
411 | | static njs_int_t njs_parser_formal_parameters(njs_parser_t *parser, |
412 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
413 | | static njs_int_t njs_parser_formal_parameters_after(njs_parser_t *parser, |
414 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
415 | | |
416 | | static njs_int_t njs_parser_arrow_function(njs_parser_t *parser, |
417 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
418 | | static njs_int_t njs_parser_arrow_function_args_after(njs_parser_t *parser, |
419 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
420 | | static njs_int_t njs_parser_arrow_function_arrow(njs_parser_t *parser, |
421 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
422 | | static njs_int_t njs_parser_arrow_function_body_after(njs_parser_t *parser, |
423 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
424 | | |
425 | | static njs_int_t njs_parser_method_definition(njs_parser_t *parser, |
426 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
427 | | static njs_int_t njs_parser_get_set(njs_parser_t *parser, |
428 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
429 | | static njs_int_t njs_parser_get_set_after(njs_parser_t *parser, |
430 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
431 | | static njs_int_t njs_parser_get_after(njs_parser_t *parser, |
432 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
433 | | static njs_int_t njs_parser_set_after(njs_parser_t *parser, |
434 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
435 | | static njs_int_t njs_parser_function_lambda(njs_parser_t *parser, |
436 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
437 | | static njs_int_t njs_parser_function_lambda_args_after(njs_parser_t *parser, |
438 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
439 | | static njs_int_t njs_parser_function_lambda_body_after(njs_parser_t *parser, |
440 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
441 | | |
442 | | static njs_int_t njs_parser_export(njs_parser_t *parser, |
443 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
444 | | static njs_int_t njs_parser_export_after(njs_parser_t *parser, |
445 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
446 | | |
447 | | static njs_int_t njs_parser_import(njs_parser_t *parser, |
448 | | njs_lexer_token_t *token, njs_queue_link_t *current); |
449 | | static njs_int_t njs_parser_export_sink(njs_parser_t *parser); |
450 | | |
451 | | static njs_parser_node_t *njs_parser_return_set(njs_parser_t *parser, |
452 | | njs_parser_node_t *expr); |
453 | | static njs_parser_node_t *njs_parser_variable_node(njs_parser_t *parser, |
454 | | uintptr_t unique_id, njs_variable_type_t type, njs_variable_t **retvar); |
455 | | |
456 | | static njs_parser_node_t *njs_parser_reference(njs_parser_t *parser, |
457 | | njs_lexer_token_t *token); |
458 | | |
459 | | static njs_parser_node_t *njs_parser_argument(njs_parser_t *parser, |
460 | | njs_parser_node_t *expr, njs_index_t index); |
461 | | |
462 | | static njs_int_t njs_parser_object_property(njs_parser_t *parser, |
463 | | njs_parser_node_t *parent, njs_parser_node_t *property, |
464 | | njs_parser_node_t *value, njs_bool_t proto_init); |
465 | | static njs_int_t njs_parser_property_accessor(njs_parser_t *parser, |
466 | | njs_parser_node_t *parent, njs_parser_node_t *property, |
467 | | njs_parser_node_t *value, njs_token_type_t accessor); |
468 | | static njs_int_t njs_parser_array_item(njs_parser_t *parser, |
469 | | njs_parser_node_t *array, njs_parser_node_t *value); |
470 | | static njs_int_t njs_parser_template_string(njs_parser_t *parser, |
471 | | njs_lexer_token_t *token); |
472 | | static njs_token_type_t njs_parser_escape_string_create(njs_parser_t *parser, |
473 | | njs_lexer_token_t *token, njs_value_t *value); |
474 | | static njs_int_t njs_parser_escape_string_calc_length(njs_parser_t *parser, |
475 | | njs_lexer_token_t *token, size_t *out_size, size_t *out_length); |
476 | | |
477 | | static void njs_parser_serialize_tree(njs_chb_t *chain, |
478 | | njs_parser_node_t *node, njs_int_t *ret, size_t indent); |
479 | | static njs_int_t njs_parser_serialize_node(njs_chb_t *chain, |
480 | | njs_parser_node_t *node); |
481 | | |
482 | | |
483 | | #define njs_parser_chain_top(parser) \ |
484 | 50.9k | ((parser)->scope->top) |
485 | | |
486 | | |
487 | | #define njs_parser_chain_top_set(parser, node) \ |
488 | 483k | (parser)->scope->top = node |
489 | | |
490 | | |
491 | | njs_inline njs_int_t |
492 | | njs_parser_not_supported(njs_parser_t *parser, njs_lexer_token_t *token) |
493 | 1.04k | { |
494 | 1.04k | if (token->type != NJS_TOKEN_END) { |
495 | 1.04k | njs_parser_syntax_error(parser, "Token \"%V\" not supported " |
496 | 1.04k | "in this version", &token->text); |
497 | 1.04k | } else { |
498 | 0 | njs_parser_syntax_error(parser, "Not supported in this version"); |
499 | 0 | } |
500 | | |
501 | 1.04k | return NJS_DONE; |
502 | 1.04k | } |
503 | | |
504 | | |
505 | | njs_inline njs_int_t |
506 | | njs_parser_reject(njs_parser_t *parser) |
507 | 813 | { |
508 | 813 | njs_queue_link_t *link; |
509 | 813 | njs_parser_stack_entry_t *entry; |
510 | | |
511 | 29.9k | while (!njs_queue_is_empty(&parser->stack)) { |
512 | 29.9k | entry = njs_queue_link_data(njs_queue_first(&parser->stack), |
513 | 29.9k | njs_parser_stack_entry_t, link); |
514 | | |
515 | 29.9k | link = njs_queue_first(&parser->stack); |
516 | 29.9k | njs_queue_remove(link); |
517 | | |
518 | 29.9k | if (!entry->optional) { |
519 | 813 | njs_parser_next(parser, entry->state); |
520 | 813 | parser->target = entry->node; |
521 | | |
522 | 813 | return NJS_DECLINED; |
523 | 813 | } |
524 | 29.9k | } |
525 | | |
526 | 0 | return njs_parser_failed(parser); |
527 | 813 | } |
528 | | |
529 | | |
530 | | njs_int_t |
531 | | njs_parser_init(njs_vm_t *vm, njs_parser_t *parser, njs_parser_scope_t *scope, |
532 | | njs_str_t *file, u_char *start, u_char *end, njs_uint_t runtime) |
533 | 19.5k | { |
534 | 19.5k | njs_lexer_t *lexer; |
535 | | |
536 | 19.5k | njs_memzero(parser, sizeof(njs_parser_t)); |
537 | | |
538 | 19.5k | parser->scope = scope; |
539 | | |
540 | 19.5k | lexer = &parser->lexer0; |
541 | 19.5k | parser->lexer = lexer; |
542 | | |
543 | 19.5k | parser->use_lhs = 0; |
544 | | |
545 | 19.5k | return njs_lexer_init(vm, lexer, file, start, end, runtime, 0); |
546 | 19.5k | } |
547 | | |
548 | | |
549 | | njs_int_t |
550 | | njs_parser(njs_vm_t *vm, njs_parser_t *parser) |
551 | 19.5k | { |
552 | 19.5k | njs_int_t ret; |
553 | 19.5k | njs_str_t str; |
554 | 19.5k | njs_lexer_token_t *token; |
555 | 19.5k | const njs_lexer_keyword_entry_t *keyword; |
556 | | |
557 | 19.5k | parser->vm = vm; |
558 | | |
559 | 19.5k | njs_set_invalid(&vm->exception); |
560 | | |
561 | 19.5k | if (parser->scope == NULL) { |
562 | 19.5k | ret = njs_parser_scope_begin(parser, |
563 | 19.5k | parser->module ? NJS_SCOPE_FUNCTION |
564 | 19.5k | : NJS_SCOPE_GLOBAL, 1); |
565 | 19.5k | if (njs_slow_path(ret != NJS_OK)) { |
566 | 0 | return NJS_ERROR; |
567 | 0 | } |
568 | | |
569 | 19.5k | } else { |
570 | 0 | parser->scope->top = NULL; |
571 | 0 | parser->node = NULL; |
572 | 0 | parser->ret = NJS_OK; |
573 | 0 | } |
574 | | |
575 | | /* Add this as first variable. */ |
576 | 19.5k | njs_string_get(&njs_string_undefined, &str); |
577 | | |
578 | 19.5k | keyword = njs_lexer_keyword(str.start, str.length); |
579 | 19.5k | if (njs_slow_path(keyword == NULL)) { |
580 | 0 | return NJS_ERROR; |
581 | 0 | } |
582 | | |
583 | 19.5k | parser->undefined_id = (uintptr_t) keyword->value; |
584 | | |
585 | 19.5k | njs_queue_init(&parser->stack); |
586 | | |
587 | 19.5k | parser->target = NULL; |
588 | 19.5k | njs_parser_next(parser, njs_parser_statement_list); |
589 | | |
590 | 19.5k | ret = njs_parser_after(parser, njs_queue_first(&parser->stack), |
591 | 19.5k | NULL, 0, njs_parser_check_error_state); |
592 | 19.5k | if (ret != NJS_OK) { |
593 | 0 | return ret; |
594 | 0 | } |
595 | | |
596 | 114M | do { |
597 | 114M | token = njs_lexer_token(parser->lexer, 0); |
598 | 114M | if (njs_slow_path(token == NULL)) { |
599 | 0 | return NJS_ERROR; |
600 | 0 | } |
601 | | |
602 | 114M | parser->ret = parser->state(parser, token, |
603 | 114M | njs_queue_first(&parser->stack)); |
604 | | |
605 | 114M | } while (parser->ret != NJS_DONE && parser->ret != NJS_ERROR); |
606 | | |
607 | 19.5k | if (parser->ret != NJS_DONE) { |
608 | 2 | return NJS_ERROR; |
609 | 2 | } |
610 | | |
611 | 19.5k | if (njs_is_error(&vm->exception)) { |
612 | 15.9k | return NJS_ERROR; |
613 | 15.9k | } |
614 | | |
615 | 3.64k | if (parser->node == NULL) { |
616 | | /* Empty string, just semicolons or variables declarations. */ |
617 | |
|
618 | 0 | parser->node = njs_parser_node_new(parser, 0); |
619 | 0 | if (njs_slow_path(parser->node == NULL)) { |
620 | 0 | return NJS_ERROR; |
621 | 0 | } |
622 | 0 | } |
623 | | |
624 | 3.64k | if (parser->module) { |
625 | 0 | ret = njs_parser_export_sink(parser); |
626 | 0 | if (ret != NJS_OK) { |
627 | 0 | return NJS_ERROR; |
628 | 0 | } |
629 | |
|
630 | 3.64k | } else { |
631 | 3.64k | parser->node->token_type = NJS_TOKEN_END; |
632 | 3.64k | parser->node->token_line = parser->lexer->line; |
633 | | |
634 | 3.64k | njs_parser_chain_top_set(parser, parser->node); |
635 | 3.64k | } |
636 | | |
637 | 3.64k | return NJS_OK; |
638 | 3.64k | } |
639 | | |
640 | | |
641 | | static njs_int_t |
642 | | njs_parser_check_error_state(njs_parser_t *parser, njs_lexer_token_t *token, |
643 | | njs_queue_link_t *current) |
644 | 9 | { |
645 | 9 | return njs_parser_failed(parser); |
646 | 9 | } |
647 | | |
648 | | |
649 | | njs_int_t |
650 | | njs_parser_failed_state(njs_parser_t *parser, njs_lexer_token_t *token, |
651 | | njs_queue_link_t *current) |
652 | 12.9k | { |
653 | 12.9k | if (token->type != NJS_TOKEN_END) { |
654 | 12.9k | njs_parser_syntax_error(parser, "Unexpected token \"%V\"", |
655 | 12.9k | &token->text); |
656 | 12.9k | } else { |
657 | 34 | njs_parser_syntax_error(parser, "Unexpected end of input"); |
658 | 34 | } |
659 | | |
660 | 12.9k | return NJS_DONE; |
661 | 12.9k | } |
662 | | |
663 | | |
664 | | static njs_int_t |
665 | | njs_parser_scope_begin(njs_parser_t *parser, njs_scope_t type, |
666 | | njs_bool_t init_this) |
667 | 177k | { |
668 | 177k | njs_variable_t *var; |
669 | 177k | njs_parser_scope_t *scope, *parent; |
670 | 177k | const njs_lexer_keyword_entry_t *keyword; |
671 | | |
672 | 177k | static const njs_str_t njs_this_str = njs_str("this"); |
673 | | |
674 | 177k | scope = njs_mp_zalloc(parser->vm->mem_pool, sizeof(njs_parser_scope_t)); |
675 | 177k | if (njs_slow_path(scope == NULL)) { |
676 | 0 | return NJS_ERROR; |
677 | 0 | } |
678 | | |
679 | 177k | scope->type = type; |
680 | | |
681 | 177k | njs_rbtree_init(&scope->variables, njs_parser_scope_rbtree_compare); |
682 | 177k | njs_rbtree_init(&scope->labels, njs_parser_scope_rbtree_compare); |
683 | 177k | njs_rbtree_init(&scope->references, njs_parser_scope_rbtree_compare); |
684 | | |
685 | 177k | parent = parser->scope; |
686 | 177k | scope->parent = parent; |
687 | 177k | parser->scope = scope; |
688 | | |
689 | 177k | if (type == NJS_SCOPE_FUNCTION || type == NJS_SCOPE_GLOBAL) { |
690 | 73.3k | if (init_this) { |
691 | | /* Add this as first variable. */ |
692 | 47.1k | keyword = njs_lexer_keyword(njs_this_str.start, |
693 | 47.1k | njs_this_str.length); |
694 | 47.1k | if (njs_slow_path(keyword == NULL)) { |
695 | 0 | return NJS_ERROR; |
696 | 0 | } |
697 | | |
698 | 47.1k | var = njs_variable_add(parser, scope, (uintptr_t) keyword->value, |
699 | 47.1k | NJS_VARIABLE_VAR); |
700 | 47.1k | if (njs_slow_path(var == NULL)) { |
701 | 0 | return NJS_ERROR; |
702 | 0 | } |
703 | | |
704 | 47.1k | var->index = njs_scope_index(type, 0, NJS_LEVEL_LOCAL, |
705 | 47.1k | NJS_VARIABLE_VAR); |
706 | 47.1k | } |
707 | 73.3k | } |
708 | | |
709 | 177k | scope->items = 1; |
710 | | |
711 | 177k | return NJS_OK; |
712 | 177k | } |
713 | | |
714 | | |
715 | | static void |
716 | | njs_parser_scope_end(njs_parser_t *parser) |
717 | 131k | { |
718 | 131k | njs_parser_scope_t *scope, *parent; |
719 | | |
720 | 131k | scope = parser->scope; |
721 | | |
722 | 131k | parent = scope->parent; |
723 | 131k | parser->scope = parent; |
724 | 131k | } |
725 | | |
726 | | |
727 | | intptr_t |
728 | | njs_parser_scope_rbtree_compare(njs_rbtree_node_t *node1, |
729 | | njs_rbtree_node_t *node2) |
730 | 7.83M | { |
731 | 7.83M | njs_variable_node_t *lex_node1, *lex_node2; |
732 | | |
733 | 7.83M | lex_node1 = (njs_variable_node_t *) node1; |
734 | 7.83M | lex_node2 = (njs_variable_node_t *) node2; |
735 | | |
736 | 7.83M | if (lex_node1->key < lex_node2->key) { |
737 | 3.49M | return -1; |
738 | 3.49M | } |
739 | | |
740 | 4.33M | if (lex_node1->key > lex_node2->key) { |
741 | 3.53M | return 1; |
742 | 3.53M | } |
743 | | |
744 | 797k | return 0; |
745 | 4.33M | } |
746 | | |
747 | | |
748 | | static njs_int_t |
749 | | njs_parser_generator_expression(njs_parser_t *parser, njs_lexer_token_t *token, |
750 | | njs_queue_link_t *current) |
751 | 0 | { |
752 | 0 | return njs_parser_not_supported(parser, token); |
753 | 0 | } |
754 | | |
755 | | |
756 | | static njs_int_t |
757 | | njs_parser_class_expression(njs_parser_t *parser, njs_lexer_token_t *token, |
758 | | njs_queue_link_t *current) |
759 | 0 | { |
760 | 0 | return njs_parser_not_supported(parser, token); |
761 | 0 | } |
762 | | |
763 | | |
764 | | static njs_int_t |
765 | | njs_parser_async_generator_expression(njs_parser_t *parser, |
766 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
767 | 0 | { |
768 | 0 | return njs_parser_not_supported(parser, token); |
769 | 0 | } |
770 | | |
771 | | |
772 | | static njs_int_t |
773 | | njs_parser_generator_declaration(njs_parser_t *parser, njs_lexer_token_t *token, |
774 | | njs_queue_link_t *current) |
775 | 0 | { |
776 | 0 | return njs_parser_not_supported(parser, token); |
777 | 0 | } |
778 | | |
779 | | |
780 | | static njs_int_t |
781 | | njs_parser_class_declaration(njs_parser_t *parser, njs_lexer_token_t *token, |
782 | | njs_queue_link_t *current) |
783 | 0 | { |
784 | 0 | return njs_parser_not_supported(parser, token); |
785 | 0 | } |
786 | | |
787 | | |
788 | | static njs_int_t |
789 | | njs_parser_function_or_generator_handler(njs_parser_t *parser, |
790 | | njs_lexer_token_t *token, njs_queue_link_t *current, njs_bool_t is_async) |
791 | 893 | { |
792 | 893 | njs_parser_node_t *node, *cur; |
793 | | |
794 | 893 | cur = parser->node; |
795 | | |
796 | 893 | if (token->type == NJS_TOKEN_MULTIPLICATION) { |
797 | 0 | njs_lexer_consume_token(parser->lexer, 1); |
798 | 0 | njs_parser_next(parser, njs_parser_generator_declaration); |
799 | |
|
800 | 893 | } else { |
801 | 893 | if (is_async) { |
802 | 0 | node = njs_parser_node_new(parser, |
803 | 0 | NJS_TOKEN_ASYNC_FUNCTION_DECLARATION); |
804 | 893 | } else { |
805 | 893 | node = njs_parser_node_new(parser, NJS_TOKEN_FUNCTION_DECLARATION); |
806 | 893 | } |
807 | | |
808 | 893 | if (node == NULL) { |
809 | 0 | return NJS_ERROR; |
810 | 0 | } |
811 | | |
812 | 893 | node->token_line = token->line; |
813 | 893 | parser->node = node; |
814 | | |
815 | 893 | njs_lexer_consume_token(parser->lexer, 1); |
816 | 893 | njs_parser_next(parser, njs_parser_function_declaration); |
817 | 893 | } |
818 | | |
819 | 893 | return njs_parser_after(parser, current, cur, 1, |
820 | 893 | njs_parser_statement_after); |
821 | 893 | } |
822 | | |
823 | | |
824 | | static njs_int_t |
825 | | njs_parser_function_or_generator(njs_parser_t *parser, |
826 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
827 | 494k | { |
828 | 494k | if (token->type != NJS_TOKEN_FUNCTION) { |
829 | 493k | return NJS_DECLINED; |
830 | 493k | } |
831 | | |
832 | 893 | return njs_parser_function_or_generator_handler(parser, token, current, 0); |
833 | 494k | } |
834 | | |
835 | | |
836 | | static njs_int_t |
837 | | njs_parser_async_function_or_generator(njs_parser_t *parser, |
838 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
839 | 493k | { |
840 | 493k | if (token->type != NJS_TOKEN_ASYNC) { |
841 | 493k | return NJS_DECLINED; |
842 | 493k | } |
843 | | |
844 | 0 | token = njs_lexer_peek_token(parser->lexer, token, 1); |
845 | 0 | if (token == NULL) { |
846 | 0 | return NJS_ERROR; |
847 | 0 | } |
848 | | |
849 | 0 | if (token->type != NJS_TOKEN_FUNCTION) { |
850 | 0 | return NJS_DECLINED; |
851 | 0 | } |
852 | | |
853 | 0 | njs_lexer_consume_token(parser->lexer, 1); |
854 | |
|
855 | 0 | return njs_parser_function_or_generator_handler(parser, token, current, 1); |
856 | 0 | } |
857 | | |
858 | | |
859 | | njs_inline njs_int_t |
860 | | njs_parser_expect_semicolon(njs_parser_t *parser, njs_lexer_token_t *token) |
861 | 354k | { |
862 | 354k | if (token->type != NJS_TOKEN_SEMICOLON) { |
863 | 321k | if (parser->strict_semicolon |
864 | 321k | || (token->type != NJS_TOKEN_END |
865 | 321k | && token->type != NJS_TOKEN_CLOSE_BRACE |
866 | 321k | && parser->lexer->prev_type != NJS_TOKEN_LINE_END)) |
867 | 37 | { |
868 | 37 | return NJS_DECLINED; |
869 | 37 | } |
870 | | |
871 | 321k | return NJS_OK; |
872 | 321k | } |
873 | | |
874 | 32.3k | njs_lexer_consume_token(parser->lexer, 1); |
875 | | |
876 | 32.3k | return NJS_OK; |
877 | 354k | } |
878 | | |
879 | | |
880 | | static njs_int_t |
881 | | njs_parser_semicolon(njs_parser_t *parser, njs_lexer_token_t *token, |
882 | | njs_queue_link_t *current) |
883 | 6.68k | { |
884 | 6.68k | if (njs_parser_expect_semicolon(parser, token) != NJS_OK) { |
885 | 0 | return njs_parser_failed(parser); |
886 | 0 | } |
887 | | |
888 | 6.68k | return njs_parser_stack_pop(parser); |
889 | 6.68k | } |
890 | | |
891 | | |
892 | | static njs_int_t |
893 | | njs_parser_close_bracked(njs_parser_t *parser, njs_lexer_token_t *token, |
894 | | njs_queue_link_t *current) |
895 | 0 | { |
896 | 0 | if (token->type != NJS_TOKEN_CLOSE_BRACKET) { |
897 | 0 | return njs_parser_failed(parser); |
898 | 0 | } |
899 | | |
900 | 0 | njs_lexer_consume_token(parser->lexer, 1); |
901 | |
|
902 | 0 | return njs_parser_stack_pop(parser); |
903 | 0 | } |
904 | | |
905 | | |
906 | | static njs_int_t |
907 | | njs_parser_close_parenthesis(njs_parser_t *parser, njs_lexer_token_t *token, |
908 | | njs_queue_link_t *current) |
909 | 12.2k | { |
910 | 12.2k | if (parser->ret != NJS_OK) { |
911 | 1 | return njs_parser_failed(parser); |
912 | 1 | } |
913 | | |
914 | 12.2k | if (token->type != NJS_TOKEN_CLOSE_PARENTHESIS) { |
915 | 404 | return njs_parser_failed(parser); |
916 | 404 | } |
917 | | |
918 | 11.8k | njs_lexer_consume_token(parser->lexer, 1); |
919 | | |
920 | 11.8k | return njs_parser_stack_pop(parser); |
921 | 12.2k | } |
922 | | |
923 | | |
924 | | static njs_int_t |
925 | | njs_parser_expression_parenthesis(njs_parser_t *parser, |
926 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
927 | 2.78k | { |
928 | 2.78k | if (token->type != NJS_TOKEN_OPEN_PARENTHESIS) { |
929 | 0 | return njs_parser_failed(parser); |
930 | 0 | } |
931 | | |
932 | 2.78k | njs_lexer_consume_token(parser->lexer, 1); |
933 | | |
934 | 2.78k | parser->node = NULL; |
935 | | |
936 | 2.78k | njs_parser_next(parser, njs_parser_expression); |
937 | | |
938 | 2.78k | return njs_parser_after(parser, current, NULL, 0, |
939 | 2.78k | njs_parser_close_parenthesis); |
940 | 2.78k | } |
941 | | |
942 | | |
943 | | static njs_int_t |
944 | | njs_parser_iteration_statement_for_end(njs_parser_t *parser, |
945 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
946 | 33.7k | { |
947 | 33.7k | parser->node->token_line = (uint32_t) (uintptr_t) parser->target; |
948 | 33.7k | parser->target = NULL; |
949 | | |
950 | 33.7k | njs_parser_scope_end(parser); |
951 | | |
952 | 33.7k | return njs_parser_stack_pop(parser); |
953 | 33.7k | } |
954 | | |
955 | | |
956 | | /* |
957 | | * 12.2 Primary Expression. |
958 | | */ |
959 | | static njs_int_t |
960 | | njs_parser_primary_expression_test(njs_parser_t *parser, |
961 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
962 | 2.91M | { |
963 | 2.91M | njs_int_t ret; |
964 | 2.91M | njs_lexer_token_t *next; |
965 | 2.91M | njs_parser_node_t *node; |
966 | | |
967 | 2.91M | switch (token->type) { |
968 | | /* IdentifierReference */ |
969 | 2.47k | case NJS_TOKEN_THIS: |
970 | 2.92k | case NJS_TOKEN_NULL: |
971 | 703k | case NJS_TOKEN_NAME: |
972 | 703k | case NJS_TOKEN_YIELD: |
973 | 703k | case NJS_TOKEN_AWAIT: |
974 | 703k | goto reference; |
975 | | |
976 | 445 | case NJS_TOKEN_TRUE: |
977 | 445 | node = njs_parser_node_new(parser, token->type); |
978 | 445 | if (node == NULL) { |
979 | 0 | return NJS_ERROR; |
980 | 0 | } |
981 | | |
982 | 445 | node->u.value = njs_value_true; |
983 | 445 | node->token_line = token->line; |
984 | | |
985 | 445 | parser->node = node; |
986 | 445 | goto done; |
987 | | |
988 | 10.0k | case NJS_TOKEN_FALSE: |
989 | 10.0k | node = njs_parser_node_new(parser, token->type); |
990 | 10.0k | if (node == NULL) { |
991 | 0 | return NJS_ERROR; |
992 | 0 | } |
993 | | |
994 | 10.0k | node->u.value = njs_value_false; |
995 | 10.0k | node->token_line = token->line; |
996 | | |
997 | 10.0k | parser->node = node; |
998 | 10.0k | goto done; |
999 | | |
1000 | 2.02M | case NJS_TOKEN_NUMBER: |
1001 | 2.02M | node = njs_parser_node_new(parser, NJS_TOKEN_NUMBER); |
1002 | 2.02M | if (node == NULL) { |
1003 | 0 | return NJS_ERROR; |
1004 | 0 | } |
1005 | | |
1006 | 2.02M | njs_set_number(&node->u.value, token->number); |
1007 | 2.02M | node->token_line = token->line; |
1008 | | |
1009 | 2.02M | parser->node = node; |
1010 | 2.02M | goto done; |
1011 | | |
1012 | 8.95k | case NJS_TOKEN_STRING: |
1013 | 8.95k | node = njs_parser_node_new(parser, NJS_TOKEN_STRING); |
1014 | 8.95k | if (node == NULL) { |
1015 | 0 | return NJS_ERROR; |
1016 | 0 | } |
1017 | | |
1018 | 8.95k | node->token_line = token->line; |
1019 | | |
1020 | 8.95k | ret = njs_parser_string_create(parser->vm, token, &node->u.value); |
1021 | 8.95k | if (ret != NJS_OK) { |
1022 | 0 | return NJS_ERROR; |
1023 | 0 | } |
1024 | | |
1025 | 8.95k | parser->node = node; |
1026 | 8.95k | goto done; |
1027 | | |
1028 | 12 | case NJS_TOKEN_ESCAPE_STRING: |
1029 | | /* Internal optimization. This is not in the specification. */ |
1030 | | |
1031 | 12 | node = njs_parser_node_new(parser, NJS_TOKEN_STRING); |
1032 | 12 | if (node == NULL) { |
1033 | 0 | return NJS_ERROR; |
1034 | 0 | } |
1035 | | |
1036 | 12 | node->token_line = token->line; |
1037 | | |
1038 | 12 | ret = njs_parser_escape_string_create(parser, token, &node->u.value); |
1039 | 12 | if (ret != NJS_TOKEN_STRING) { |
1040 | 0 | return NJS_ERROR; |
1041 | 0 | } |
1042 | | |
1043 | 12 | parser->node = node; |
1044 | 12 | goto done; |
1045 | | |
1046 | 3 | case NJS_TOKEN_UNTERMINATED_STRING: |
1047 | | /* Internal optimization. This is not in the specification. */ |
1048 | | |
1049 | 3 | njs_parser_syntax_error(parser, "Unterminated string \"%V\"", |
1050 | 3 | &token->text); |
1051 | 3 | return NJS_ERROR; |
1052 | | |
1053 | | /* ArrayLiteral */ |
1054 | 13.5k | case NJS_TOKEN_OPEN_BRACKET: |
1055 | 13.5k | node = njs_parser_node_new(parser, NJS_TOKEN_ARRAY); |
1056 | 13.5k | if (node == NULL) { |
1057 | 0 | return NJS_ERROR; |
1058 | 0 | } |
1059 | | |
1060 | 13.5k | node->token_line = token->line; |
1061 | 13.5k | parser->node = node; |
1062 | | |
1063 | 13.5k | njs_parser_next(parser, njs_parser_array_literal); |
1064 | 13.5k | break; |
1065 | | |
1066 | | /* ObjectLiteral */ |
1067 | 38.7k | case NJS_TOKEN_OPEN_BRACE: |
1068 | 38.7k | node = njs_parser_node_new(parser, NJS_TOKEN_OBJECT); |
1069 | 38.7k | if (node == NULL) { |
1070 | 0 | return NJS_ERROR; |
1071 | 0 | } |
1072 | | |
1073 | 38.7k | node->token_line = token->line; |
1074 | 38.7k | parser->node = node; |
1075 | | |
1076 | 38.7k | njs_parser_next(parser, njs_parser_object_literal); |
1077 | 38.7k | break; |
1078 | | |
1079 | | /* FunctionExpression */ |
1080 | 17.6k | case NJS_TOKEN_FUNCTION: |
1081 | 17.6k | token = njs_lexer_peek_token(parser->lexer, token, 0); |
1082 | 17.6k | if (token == NULL) { |
1083 | 0 | return NJS_ERROR; |
1084 | 0 | } |
1085 | | |
1086 | | /* GeneratorExpression */ |
1087 | 17.6k | if (token->type == NJS_TOKEN_MULTIPLICATION) { |
1088 | 0 | njs_parser_next(parser, njs_parser_generator_expression); |
1089 | |
|
1090 | 17.6k | } else { |
1091 | 17.6k | node = njs_parser_node_new(parser, NJS_TOKEN_FUNCTION_EXPRESSION); |
1092 | 17.6k | if (node == NULL) { |
1093 | 0 | return NJS_ERROR; |
1094 | 0 | } |
1095 | | |
1096 | 17.6k | node->token_line = token->line; |
1097 | 17.6k | parser->node = node; |
1098 | | |
1099 | 17.6k | njs_parser_next(parser, njs_parser_function_expression); |
1100 | 17.6k | } |
1101 | | |
1102 | 17.6k | break; |
1103 | | |
1104 | | /* ClassExpression */ |
1105 | 17.6k | case NJS_TOKEN_CLASS: |
1106 | 0 | njs_parser_next(parser, njs_parser_class_expression); |
1107 | 0 | return NJS_OK; |
1108 | | |
1109 | | /* AsyncFunctionExpression */ |
1110 | 2.42k | case NJS_TOKEN_ASYNC: |
1111 | 2.42k | next = njs_lexer_peek_token(parser->lexer, token, 1); |
1112 | 2.42k | if (next == NULL) { |
1113 | 0 | return NJS_ERROR; |
1114 | 0 | } |
1115 | | |
1116 | 2.42k | if (next->type != NJS_TOKEN_FUNCTION) { |
1117 | 10 | goto reference; |
1118 | 10 | } |
1119 | | |
1120 | 2.41k | njs_lexer_consume_token(parser->lexer, 1); |
1121 | | |
1122 | 2.41k | next = njs_lexer_peek_token(parser->lexer, next, 0); |
1123 | 2.41k | if (njs_slow_path(next == NULL)) { |
1124 | 0 | return NJS_ERROR; |
1125 | 0 | } |
1126 | | |
1127 | | /* GeneratorExpression */ |
1128 | 2.41k | if (next->type == NJS_TOKEN_MULTIPLICATION) { |
1129 | 0 | njs_parser_next(parser, njs_parser_async_generator_expression); |
1130 | |
|
1131 | 2.41k | } else { |
1132 | 2.41k | node = njs_parser_node_new(parser, |
1133 | 2.41k | NJS_TOKEN_ASYNC_FUNCTION_EXPRESSION); |
1134 | 2.41k | if (node == NULL) { |
1135 | 0 | return NJS_ERROR; |
1136 | 0 | } |
1137 | | |
1138 | 2.41k | node->token_line = next->line; |
1139 | 2.41k | parser->node = node; |
1140 | | |
1141 | 2.41k | njs_parser_next(parser, njs_parser_function_expression); |
1142 | 2.41k | } |
1143 | | |
1144 | 2.41k | break; |
1145 | | |
1146 | | /* RegularExpressionLiteral */ |
1147 | 34.2k | case NJS_TOKEN_DIVISION: |
1148 | 34.2k | case NJS_TOKEN_DIVISION_ASSIGNMENT: |
1149 | 34.2k | node = njs_parser_node_new(parser, NJS_TOKEN_REGEXP); |
1150 | 34.2k | if (node == NULL) { |
1151 | 0 | return NJS_ERROR; |
1152 | 0 | } |
1153 | | |
1154 | 34.2k | node->token_line = token->line; |
1155 | 34.2k | parser->node = node; |
1156 | | |
1157 | 34.2k | ret = njs_parser_regexp_literal(parser, token, current); |
1158 | 34.2k | if (ret != NJS_OK) { |
1159 | 1.58k | return NJS_ERROR; |
1160 | 1.58k | } |
1161 | | |
1162 | 32.6k | goto done; |
1163 | | |
1164 | | /* TemplateLiteral */ |
1165 | 32.6k | case NJS_TOKEN_GRAVE: |
1166 | 11.9k | node = njs_parser_node_new(parser, NJS_TOKEN_TEMPLATE_LITERAL); |
1167 | 11.9k | if (node == NULL) { |
1168 | 0 | return NJS_ERROR; |
1169 | 0 | } |
1170 | | |
1171 | 11.9k | node->token_line = token->line; |
1172 | 11.9k | parser->node = node; |
1173 | | |
1174 | 11.9k | njs_parser_next(parser, njs_parser_template_literal); |
1175 | 11.9k | return NJS_OK; |
1176 | | |
1177 | | /* CoverParenthesizedExpressionAndArrowParameterList */ |
1178 | 44.0k | case NJS_TOKEN_OPEN_PARENTHESIS: |
1179 | 44.0k | njs_lexer_consume_token(parser->lexer, 1); |
1180 | | |
1181 | | /* TODO: By specification. */ |
1182 | 44.0k | (void) njs_parser_cover_parenthesized_expression; |
1183 | | |
1184 | 44.0k | parser->node = NULL; |
1185 | | |
1186 | 44.0k | njs_parser_next(parser, njs_parser_expression); |
1187 | | |
1188 | 44.0k | return njs_parser_after(parser, current, NULL, 0, |
1189 | 11.9k | njs_parser_close_parenthesis); |
1190 | | |
1191 | 320 | default: |
1192 | 320 | if (njs_lexer_token_is_identifier_reference(token)) { |
1193 | 93 | goto reference; |
1194 | 93 | } |
1195 | | |
1196 | 227 | return njs_parser_reject(parser); |
1197 | 2.91M | } |
1198 | | |
1199 | 72.4k | njs_lexer_consume_token(parser->lexer, 1); |
1200 | | |
1201 | 72.4k | return NJS_OK; |
1202 | | |
1203 | 703k | reference: |
1204 | | |
1205 | 703k | node = njs_parser_reference(parser, token); |
1206 | 703k | if (node == NULL) { |
1207 | 0 | return NJS_ERROR; |
1208 | 0 | } |
1209 | | |
1210 | 703k | node->token_line = token->line; |
1211 | 703k | parser->node = node; |
1212 | | |
1213 | 2.78M | done: |
1214 | | |
1215 | 2.78M | njs_lexer_consume_token(parser->lexer, 1); |
1216 | | |
1217 | 2.78M | return NJS_DONE; |
1218 | 703k | } |
1219 | | |
1220 | | |
1221 | | static njs_int_t |
1222 | | njs_parser_regexp_literal(njs_parser_t *parser, njs_lexer_token_t *token, |
1223 | | njs_queue_link_t *current) |
1224 | 34.2k | { |
1225 | 34.2k | u_char *p; |
1226 | 34.2k | njs_str_t text; |
1227 | 34.2k | njs_int_t ret; |
1228 | 34.2k | njs_lexer_t *lexer; |
1229 | 34.2k | njs_value_t *value, retval; |
1230 | 34.2k | njs_regex_flags_t flags; |
1231 | 34.2k | njs_regexp_pattern_t *pattern; |
1232 | | |
1233 | 34.2k | static const njs_value_t string_message = njs_string("message"); |
1234 | | |
1235 | 34.2k | value = &parser->node->u.value; |
1236 | 34.2k | lexer = parser->lexer; |
1237 | | |
1238 | 34.2k | if (token->type == NJS_TOKEN_DIVISION_ASSIGNMENT) { |
1239 | 0 | lexer->start--; |
1240 | 0 | } |
1241 | | |
1242 | 5.97M | for (p = lexer->start; p < lexer->end; p++) { |
1243 | | |
1244 | 5.97M | switch (*p) { |
1245 | 3 | case '\n': |
1246 | 3 | case '\r': |
1247 | 3 | goto failed; |
1248 | | |
1249 | 5.77k | case '[': |
1250 | 114k | while (1) { |
1251 | 114k | if (++p >= lexer->end) { |
1252 | 2 | goto failed; |
1253 | 2 | } |
1254 | | |
1255 | 114k | if (*p == ']') { |
1256 | 5.76k | break; |
1257 | 5.76k | } |
1258 | | |
1259 | 109k | switch (*p) { |
1260 | 0 | case '\n': |
1261 | 0 | case '\r': |
1262 | 0 | goto failed; |
1263 | | |
1264 | 3.23k | case '\\': |
1265 | 3.23k | if (++p >= lexer->end || *p == '\n' || *p == '\r') { |
1266 | 0 | goto failed; |
1267 | 0 | } |
1268 | | |
1269 | 3.23k | break; |
1270 | 109k | } |
1271 | 109k | } |
1272 | | |
1273 | 5.76k | break; |
1274 | | |
1275 | 35.5k | case '\\': |
1276 | 35.5k | if (++p >= lexer->end || *p == '\n' || *p == '\r') { |
1277 | 138 | goto failed; |
1278 | 138 | } |
1279 | | |
1280 | 35.3k | break; |
1281 | | |
1282 | 35.3k | case '/': |
1283 | 34.0k | text.start = lexer->start; |
1284 | 34.0k | text.length = p - text.start; |
1285 | 34.0k | p++; |
1286 | 34.0k | lexer->start = p; |
1287 | | |
1288 | 34.0k | flags = njs_regexp_flags(&p, lexer->end); |
1289 | | |
1290 | 34.0k | if (njs_slow_path(flags < 0)) { |
1291 | 1.25k | njs_parser_syntax_error(parser, "Invalid RegExp flags \"%*s\"", |
1292 | 1.25k | p - lexer->start, lexer->start); |
1293 | | |
1294 | 1.25k | return NJS_ERROR; |
1295 | 1.25k | } |
1296 | | |
1297 | 32.8k | lexer->start = p; |
1298 | | |
1299 | 32.8k | pattern = njs_regexp_pattern_create(parser->vm, text.start, |
1300 | 32.8k | text.length, flags); |
1301 | | |
1302 | 32.8k | if (njs_slow_path(pattern == NULL)) { |
1303 | 172 | retval = njs_vm_exception(parser->vm); |
1304 | 172 | ret = njs_value_property(parser->vm, &retval, |
1305 | 172 | njs_value_arg(&string_message), |
1306 | 172 | &retval); |
1307 | 172 | if (njs_slow_path(ret != NJS_OK)) { |
1308 | 0 | return NJS_ERROR; |
1309 | 0 | } |
1310 | | |
1311 | 172 | njs_string_get(&retval, &text); |
1312 | | |
1313 | 172 | njs_parser_syntax_error(parser, "%V", &text); |
1314 | | |
1315 | 172 | return NJS_ERROR; |
1316 | 172 | } |
1317 | | |
1318 | 32.6k | value->data.u.data = pattern; |
1319 | | |
1320 | 32.6k | return NJS_OK; |
1321 | 5.97M | } |
1322 | 5.97M | } |
1323 | | |
1324 | 159 | failed: |
1325 | | |
1326 | 159 | njs_parser_syntax_error(parser, "Unterminated RegExp \"%*s\"", |
1327 | 159 | p - (lexer->start - 1), lexer->start - 1); |
1328 | 159 | return NJS_ERROR; |
1329 | 34.2k | } |
1330 | | |
1331 | | |
1332 | | static njs_int_t |
1333 | | njs_parser_template_literal(njs_parser_t *parser, njs_lexer_token_t *token, |
1334 | | njs_queue_link_t *current) |
1335 | 1.89M | { |
1336 | 1.89M | njs_index_t index; |
1337 | 1.89M | njs_parser_node_t *node, *array, *template, *temp; |
1338 | | |
1339 | 1.89M | temp = njs_parser_node_new(parser, 0); |
1340 | 1.89M | if (temp == NULL) { |
1341 | 0 | return NJS_ERROR; |
1342 | 0 | } |
1343 | | |
1344 | 1.89M | array = njs_parser_node_new(parser, NJS_TOKEN_ARRAY); |
1345 | 1.89M | if (array == NULL) { |
1346 | 0 | return NJS_ERROR; |
1347 | 0 | } |
1348 | | |
1349 | 1.89M | array->token_line = token->line; |
1350 | | |
1351 | 1.89M | template = parser->node; |
1352 | | |
1353 | 1.89M | index = njs_scope_temp_index(template->scope); |
1354 | 1.89M | if (njs_slow_path(index == NJS_INDEX_ERROR)) { |
1355 | 0 | return NJS_ERROR; |
1356 | 0 | } |
1357 | | |
1358 | 1.89M | if (template->token_type != NJS_TOKEN_TEMPLATE_LITERAL) { |
1359 | 1.88M | node = njs_parser_argument(parser, array, index); |
1360 | 1.88M | if (node == NULL) { |
1361 | 0 | return NJS_ERROR; |
1362 | 0 | } |
1363 | | |
1364 | 1.88M | node->temporary = 1; |
1365 | | |
1366 | 1.88M | template->right = node; |
1367 | 1.88M | temp->right = node; |
1368 | | |
1369 | 1.88M | index = njs_scope_temp_index(template->scope); |
1370 | 1.88M | if (njs_slow_path(index == NJS_INDEX_ERROR)) { |
1371 | 0 | return NJS_ERROR; |
1372 | 0 | } |
1373 | | |
1374 | 1.88M | } else { |
1375 | 11.9k | template->left = array; |
1376 | 11.9k | temp->right = template; |
1377 | 11.9k | } |
1378 | | |
1379 | 1.89M | temp->temporary = 1; |
1380 | 1.89M | temp->left = template; |
1381 | 1.89M | temp->index = index; |
1382 | | |
1383 | 1.89M | parser->target = temp; |
1384 | | |
1385 | 1.89M | token->text.start++; |
1386 | 1.89M | token->text.length = 0; |
1387 | | |
1388 | 1.89M | njs_parser_next(parser, njs_parser_template_literal_string); |
1389 | | |
1390 | 1.89M | return NJS_OK; |
1391 | 1.89M | } |
1392 | | |
1393 | | |
1394 | | static njs_int_t |
1395 | | njs_parser_template_literal_string(njs_parser_t *parser, |
1396 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
1397 | 1.90M | { |
1398 | 1.90M | njs_int_t ret, ret_item; |
1399 | 1.90M | njs_parser_node_t *template; |
1400 | | |
1401 | 1.90M | template = parser->target->left; |
1402 | | |
1403 | 1.90M | ret = njs_parser_template_string(parser, token); |
1404 | 1.90M | if (ret == NJS_ERROR) { |
1405 | 17 | njs_parser_syntax_error(parser, "Unterminated template literal"); |
1406 | 17 | return NJS_DONE; |
1407 | 17 | } |
1408 | | |
1409 | 1.90M | if (template->token_type != NJS_TOKEN_TEMPLATE_LITERAL) { |
1410 | 1.89M | ret_item = njs_parser_array_item(parser, template->right->left, |
1411 | 1.89M | parser->node); |
1412 | | |
1413 | 1.89M | } else { |
1414 | 14.2k | ret_item = njs_parser_array_item(parser, template->left, parser->node); |
1415 | 14.2k | } |
1416 | | |
1417 | 1.90M | if (ret_item != NJS_OK) { |
1418 | 0 | return NJS_ERROR; |
1419 | 0 | } |
1420 | | |
1421 | 1.90M | if (ret == NJS_DONE) { |
1422 | 1.89M | parser->node = template; |
1423 | | |
1424 | 1.89M | njs_parser_node_free(parser, parser->target); |
1425 | 1.89M | njs_lexer_consume_token(parser->lexer, 1); |
1426 | | |
1427 | 1.89M | return njs_parser_stack_pop(parser); |
1428 | 1.89M | } |
1429 | | |
1430 | 13.7k | parser->node = NULL; |
1431 | | |
1432 | 13.7k | njs_parser_next(parser, njs_parser_expression); |
1433 | | |
1434 | 13.7k | njs_lexer_consume_token(parser->lexer, 1); |
1435 | | |
1436 | 13.7k | return njs_parser_after(parser, current, parser->target, 0, |
1437 | 1.90M | njs_parser_template_literal_expression); |
1438 | 1.90M | } |
1439 | | |
1440 | | |
1441 | | static njs_int_t |
1442 | | njs_parser_template_literal_expression(njs_parser_t *parser, |
1443 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
1444 | 13.6k | { |
1445 | 13.6k | njs_int_t ret; |
1446 | 13.6k | njs_parser_node_t *template, *node, *parent; |
1447 | | |
1448 | 13.6k | if (parser->ret != NJS_OK) { |
1449 | 3 | return njs_parser_failed(parser); |
1450 | 3 | } |
1451 | | |
1452 | 13.6k | if (token->type != NJS_TOKEN_CLOSE_BRACE) { |
1453 | 3 | njs_parser_syntax_error(parser, "Missing \"}\" in template expression"); |
1454 | 3 | return NJS_DONE; |
1455 | 3 | } |
1456 | | |
1457 | 13.6k | parent = parser->target->right; |
1458 | 13.6k | template = parser->target->left; |
1459 | | |
1460 | 13.6k | if (template->token_type != NJS_TOKEN_TEMPLATE_LITERAL) { |
1461 | 11.3k | node = njs_parser_argument(parser, parser->node, parser->target->index); |
1462 | 11.3k | if (node == NULL) { |
1463 | 0 | return NJS_ERROR; |
1464 | 0 | } |
1465 | | |
1466 | 11.3k | parent->right = node; |
1467 | 11.3k | parent = node; |
1468 | | |
1469 | 11.3k | parser->target->index = njs_scope_temp_index(node->scope); |
1470 | 11.3k | if (njs_slow_path(parser->target->index == NJS_INDEX_ERROR)) { |
1471 | 0 | return NJS_ERROR; |
1472 | 0 | } |
1473 | | |
1474 | 11.3k | } else { |
1475 | 2.32k | ret = njs_parser_array_item(parser, template->left, parser->node); |
1476 | 2.32k | if (ret != NJS_OK) { |
1477 | 0 | return NJS_ERROR; |
1478 | 0 | } |
1479 | 2.32k | } |
1480 | | |
1481 | 13.6k | parser->target->right = parent; |
1482 | | |
1483 | 13.6k | parser->node = NULL; |
1484 | | |
1485 | 13.6k | njs_parser_next(parser, njs_parser_template_literal_string); |
1486 | | |
1487 | 13.6k | token->text.length = 0; |
1488 | 13.6k | token->text.start += 1; |
1489 | | |
1490 | 13.6k | return NJS_OK; |
1491 | 13.6k | } |
1492 | | |
1493 | | |
1494 | | static njs_int_t |
1495 | | njs_parser_cover_parenthesized_expression(njs_parser_t *parser, |
1496 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
1497 | 0 | { |
1498 | 0 | switch (token->type) { |
1499 | 0 | case NJS_TOKEN_CLOSE_PARENTHESIS: |
1500 | 0 | (void) njs_parser_stack_pop(parser); |
1501 | 0 | break; |
1502 | | |
1503 | 0 | case NJS_TOKEN_ELLIPSIS: |
1504 | 0 | njs_parser_next(parser, njs_parser_binding_identifier_pattern); |
1505 | 0 | break; |
1506 | | |
1507 | 0 | default: |
1508 | 0 | parser->node = NULL; |
1509 | |
|
1510 | 0 | njs_parser_next(parser, njs_parser_expression); |
1511 | |
|
1512 | 0 | return njs_parser_after(parser, current, NULL, 0, |
1513 | 0 | njs_parser_cover_parenthesized_expression_after); |
1514 | 0 | } |
1515 | | |
1516 | 0 | njs_lexer_consume_token(parser->lexer, 1); |
1517 | |
|
1518 | 0 | return NJS_OK; |
1519 | 0 | } |
1520 | | |
1521 | | |
1522 | | static njs_int_t |
1523 | | njs_parser_binding_identifier_pattern(njs_parser_t *parser, |
1524 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
1525 | 0 | { |
1526 | | /* |
1527 | | * BindingIdentifier ) |
1528 | | * BindingPattern ) |
1529 | | */ |
1530 | |
|
1531 | 0 | switch (token->type) { |
1532 | | |
1533 | | /* BindingIdentifier */ |
1534 | 0 | case NJS_TOKEN_NAME: |
1535 | 0 | njs_parser_next(parser, njs_parser_cover_parenthesized_expression_end); |
1536 | 0 | break; |
1537 | | |
1538 | 0 | case NJS_TOKEN_YIELD: |
1539 | 0 | njs_parser_next(parser, njs_parser_cover_parenthesized_expression_end); |
1540 | 0 | break; |
1541 | | |
1542 | 0 | case NJS_TOKEN_AWAIT: |
1543 | 0 | njs_parser_next(parser, njs_parser_cover_parenthesized_expression_end); |
1544 | 0 | break; |
1545 | | |
1546 | | /* BindingPattern */ |
1547 | 0 | case NJS_TOKEN_OPEN_BRACKET: |
1548 | 0 | njs_parser_next(parser, njs_parser_array_binding_pattern); |
1549 | |
|
1550 | 0 | njs_lexer_consume_token(parser->lexer, 1); |
1551 | 0 | return njs_parser_after(parser, current, NULL, 0, |
1552 | 0 | njs_parser_cover_parenthesized_expression_end); |
1553 | | |
1554 | 0 | case NJS_TOKEN_OPEN_BRACE: |
1555 | 0 | njs_parser_next(parser, njs_parser_object_binding_pattern); |
1556 | |
|
1557 | 0 | njs_lexer_consume_token(parser->lexer, 1); |
1558 | 0 | return njs_parser_after(parser, current, NULL, 0, |
1559 | 0 | njs_parser_cover_parenthesized_expression_end); |
1560 | | |
1561 | 0 | default: |
1562 | 0 | return NJS_ERROR; |
1563 | 0 | } |
1564 | | |
1565 | 0 | njs_lexer_consume_token(parser->lexer, 1); |
1566 | |
|
1567 | 0 | return NJS_OK; |
1568 | 0 | } |
1569 | | |
1570 | | |
1571 | | static njs_int_t |
1572 | | njs_parser_cover_parenthesized_expression_after(njs_parser_t *parser, |
1573 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
1574 | 0 | { |
1575 | | /* |
1576 | | * ) |
1577 | | * ,) |
1578 | | * , ... BindingIdentifier ) |
1579 | | * , ... BindingPattern ) |
1580 | | */ |
1581 | |
|
1582 | 0 | if (token->type == NJS_TOKEN_CLOSE_PARENTHESIS) { |
1583 | 0 | goto shift_stack; |
1584 | 0 | } |
1585 | | |
1586 | 0 | if (token->type != NJS_TOKEN_COMMA) { |
1587 | 0 | return njs_parser_failed(parser); |
1588 | 0 | } |
1589 | | |
1590 | 0 | njs_lexer_consume_token(parser->lexer, 1); |
1591 | |
|
1592 | 0 | token = njs_lexer_token(parser->lexer, 0); |
1593 | 0 | if (njs_slow_path(token == NULL)) { |
1594 | 0 | return NJS_ERROR; |
1595 | 0 | } |
1596 | | |
1597 | 0 | if (token->type == NJS_TOKEN_CLOSE_PARENTHESIS) { |
1598 | 0 | goto shift_stack; |
1599 | 0 | } |
1600 | | |
1601 | 0 | if(token->type != NJS_TOKEN_ELLIPSIS) { |
1602 | 0 | return njs_parser_failed(parser); |
1603 | 0 | } |
1604 | | |
1605 | 0 | njs_lexer_consume_token(parser->lexer, 1); |
1606 | |
|
1607 | 0 | njs_parser_next(parser, njs_parser_binding_identifier_pattern); |
1608 | |
|
1609 | 0 | return NJS_OK; |
1610 | | |
1611 | 0 | shift_stack: |
1612 | |
|
1613 | 0 | njs_lexer_consume_token(parser->lexer, 1); |
1614 | |
|
1615 | 0 | return njs_parser_stack_pop(parser); |
1616 | 0 | } |
1617 | | |
1618 | | |
1619 | | static njs_int_t |
1620 | | njs_parser_cover_parenthesized_expression_end(njs_parser_t *parser, |
1621 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
1622 | 0 | { |
1623 | 0 | if (token->type != NJS_TOKEN_CLOSE_PARENTHESIS) { |
1624 | 0 | return njs_parser_failed(parser); |
1625 | 0 | } |
1626 | | |
1627 | 0 | njs_lexer_consume_token(parser->lexer, 1); |
1628 | |
|
1629 | 0 | return njs_parser_stack_pop(parser); |
1630 | 0 | } |
1631 | | |
1632 | | |
1633 | | /* |
1634 | | * 12.2.5 Array Initializer. |
1635 | | */ |
1636 | | static njs_int_t |
1637 | | njs_parser_array_literal(njs_parser_t *parser, njs_lexer_token_t *token, |
1638 | | njs_queue_link_t *current) |
1639 | 13.5k | { |
1640 | 13.5k | parser->target = parser->node; |
1641 | 13.5k | parser->node = NULL; |
1642 | | |
1643 | 13.5k | njs_parser_next(parser, njs_parser_array_element_list); |
1644 | | |
1645 | 13.5k | return NJS_OK; |
1646 | 13.5k | } |
1647 | | |
1648 | | |
1649 | | static njs_int_t |
1650 | | njs_parser_array_element_list(njs_parser_t *parser, njs_lexer_token_t *token, |
1651 | | njs_queue_link_t *current) |
1652 | 2.19M | { |
1653 | 2.19M | njs_parser_node_t *array; |
1654 | | |
1655 | 2.19M | array = parser->target; |
1656 | | |
1657 | 2.19M | switch (token->type) { |
1658 | 12.7k | case NJS_TOKEN_CLOSE_BRACKET: |
1659 | 12.7k | njs_lexer_consume_token(parser->lexer, 1); |
1660 | | |
1661 | 12.7k | parser->node = array; |
1662 | | |
1663 | 12.7k | return njs_parser_stack_pop(parser); |
1664 | | |
1665 | 209k | case NJS_TOKEN_COMMA: |
1666 | 209k | njs_lexer_consume_token(parser->lexer, 1); |
1667 | | |
1668 | 209k | array->ctor = 1; |
1669 | 209k | array->u.length++; |
1670 | | |
1671 | 209k | return NJS_OK; |
1672 | | |
1673 | 0 | case NJS_TOKEN_ELLIPSIS: |
1674 | | #if 0 |
1675 | | njs_lexer_consume_token(parser->lexer, 1); |
1676 | | |
1677 | | njs_parser_next(parser, njs_parser_assignment_expression); |
1678 | | |
1679 | | return njs_parser_after(parser, current, array, 0, |
1680 | | njs_parser_array_spread_element); |
1681 | | #else |
1682 | 0 | (void) njs_parser_array_spread_element; |
1683 | 0 | return njs_parser_failed(parser); |
1684 | 0 | #endif |
1685 | | |
1686 | 1.97M | default: |
1687 | 1.97M | break; |
1688 | 2.19M | } |
1689 | | |
1690 | 1.97M | njs_parser_next(parser, njs_parser_assignment_expression); |
1691 | | |
1692 | 1.97M | return njs_parser_after(parser, current, array, 0, njs_parser_array_after); |
1693 | 2.19M | } |
1694 | | |
1695 | | |
1696 | | static njs_int_t |
1697 | | njs_parser_array_after(njs_parser_t *parser, njs_lexer_token_t *token, |
1698 | | njs_queue_link_t *current) |
1699 | 1.97M | { |
1700 | 1.97M | njs_int_t ret; |
1701 | | |
1702 | 1.97M | if (parser->ret != NJS_OK) { |
1703 | 2 | return njs_parser_failed(parser); |
1704 | 2 | } |
1705 | | |
1706 | 1.97M | ret = njs_parser_array_item(parser, parser->target, parser->node); |
1707 | 1.97M | if (ret != NJS_OK) { |
1708 | 0 | return NJS_ERROR; |
1709 | 0 | } |
1710 | | |
1711 | 1.97M | switch (token->type) { |
1712 | 1.96M | case NJS_TOKEN_COMMA: |
1713 | 1.96M | njs_lexer_consume_token(parser->lexer, 1); |
1714 | | |
1715 | | /* Fall through. */ |
1716 | | |
1717 | 1.97M | case NJS_TOKEN_CLOSE_BRACKET: |
1718 | 1.97M | njs_parser_next(parser, njs_parser_array_element_list); |
1719 | 1.97M | break; |
1720 | | |
1721 | 866 | default: |
1722 | 866 | return njs_parser_failed(parser); |
1723 | 1.97M | } |
1724 | | |
1725 | 1.97M | return NJS_OK; |
1726 | 1.97M | } |
1727 | | |
1728 | | |
1729 | | static njs_int_t |
1730 | | njs_parser_array_spread_element(njs_parser_t *parser, njs_lexer_token_t *token, |
1731 | | njs_queue_link_t *current) |
1732 | 0 | { |
1733 | 0 | if (parser->ret != NJS_OK || token->type != NJS_TOKEN_CLOSE_BRACKET) { |
1734 | 0 | return njs_parser_failed(parser); |
1735 | 0 | } |
1736 | | |
1737 | 0 | njs_lexer_consume_token(parser->lexer, 1); |
1738 | |
|
1739 | 0 | parser->node = parser->target; |
1740 | |
|
1741 | 0 | return njs_parser_stack_pop(parser); |
1742 | 0 | } |
1743 | | |
1744 | | |
1745 | | /* |
1746 | | * 12.2.6 Object Initializer. |
1747 | | */ |
1748 | | static njs_int_t |
1749 | | njs_parser_object_literal(njs_parser_t *parser, njs_lexer_token_t *token, |
1750 | | njs_queue_link_t *current) |
1751 | 38.7k | { |
1752 | 38.7k | njs_parser_node_t *node; |
1753 | | |
1754 | 38.7k | node = njs_parser_node_new(parser, 0); |
1755 | 38.7k | if (node == NULL) { |
1756 | 0 | return NJS_ERROR; |
1757 | 0 | } |
1758 | | |
1759 | 38.7k | node->left = parser->node; |
1760 | | |
1761 | 38.7k | parser->node = NULL; |
1762 | 38.7k | parser->target = node; |
1763 | | |
1764 | 38.7k | njs_parser_next(parser, njs_parser_property_definition_list); |
1765 | | |
1766 | 38.7k | return njs_parser_after(parser, current, node, 1, |
1767 | 38.7k | njs_parser_object_literal_after); |
1768 | 38.7k | } |
1769 | | |
1770 | | |
1771 | | static njs_int_t |
1772 | | njs_parser_object_literal_after(njs_parser_t *parser, njs_lexer_token_t *token, |
1773 | | njs_queue_link_t *current) |
1774 | 36.6k | { |
1775 | 36.6k | if (token->type == NJS_TOKEN_COMMA) { |
1776 | 0 | njs_lexer_consume_token(parser->lexer, 1); |
1777 | |
|
1778 | 0 | token = njs_lexer_token(parser->lexer, 1); |
1779 | 0 | if (token == NULL) { |
1780 | 0 | return NJS_ERROR; |
1781 | 0 | } |
1782 | 0 | } |
1783 | | |
1784 | 36.6k | if (token->type != NJS_TOKEN_CLOSE_BRACE) { |
1785 | 674 | return njs_parser_failed(parser); |
1786 | 674 | } |
1787 | | |
1788 | 35.9k | njs_lexer_consume_token(parser->lexer, 1); |
1789 | | |
1790 | 35.9k | parser->node = parser->target->left; |
1791 | | |
1792 | 35.9k | njs_parser_node_free(parser, parser->target); |
1793 | 35.9k | parser->target = NULL; |
1794 | | |
1795 | 35.9k | return njs_parser_stack_pop(parser); |
1796 | 36.6k | } |
1797 | | |
1798 | | |
1799 | | static njs_int_t |
1800 | | njs_parser_property_definition_list(njs_parser_t *parser, |
1801 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
1802 | 38.7k | { |
1803 | 38.7k | njs_parser_next(parser, njs_parser_property_definition); |
1804 | | |
1805 | 38.7k | return njs_parser_after(parser, current, parser->target, 1, |
1806 | 38.7k | njs_parser_property_definition_list_after); |
1807 | 38.7k | } |
1808 | | |
1809 | | |
1810 | | static njs_int_t |
1811 | | njs_parser_property_definition_list_after(njs_parser_t *parser, |
1812 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
1813 | 45.2k | { |
1814 | 45.2k | if (token->type != NJS_TOKEN_COMMA) { |
1815 | 36.6k | return njs_parser_stack_pop(parser); |
1816 | 36.6k | } |
1817 | | |
1818 | 8.61k | njs_lexer_consume_token(parser->lexer, 1); |
1819 | | |
1820 | 8.61k | njs_parser_next(parser, njs_parser_property_definition); |
1821 | | |
1822 | 8.61k | return njs_parser_after(parser, current, parser->target, 1, |
1823 | 45.2k | njs_parser_property_definition_list_after); |
1824 | 45.2k | } |
1825 | | |
1826 | | |
1827 | | njs_inline njs_parser_node_t * |
1828 | | njs_parser_property_name_node(njs_parser_t *parser, njs_lexer_token_t *token) |
1829 | 10.4k | { |
1830 | 10.4k | njs_int_t ret; |
1831 | 10.4k | njs_parser_node_t *property; |
1832 | | |
1833 | 10.4k | if (token->type == NJS_TOKEN_NUMBER) { |
1834 | 7.49k | property = njs_parser_node_new(parser, NJS_TOKEN_NUMBER); |
1835 | 7.49k | if (property != NULL) { |
1836 | 7.49k | njs_set_number(&property->u.value, token->number); |
1837 | 7.49k | } |
1838 | | |
1839 | 7.49k | } else if (token->type == NJS_TOKEN_ESCAPE_STRING) { |
1840 | 3 | property = njs_parser_node_new(parser, NJS_TOKEN_STRING); |
1841 | | |
1842 | 3 | if (property != NULL) { |
1843 | 3 | ret = njs_parser_escape_string_create(parser, token, |
1844 | 3 | &property->u.value); |
1845 | 3 | if (ret != NJS_TOKEN_STRING) { |
1846 | 0 | return NULL; |
1847 | 0 | } |
1848 | 3 | } |
1849 | | |
1850 | 2.89k | } else { |
1851 | 2.89k | property = njs_parser_node_string(parser->vm, token, parser); |
1852 | 2.89k | } |
1853 | | |
1854 | 10.4k | if (property != NULL) { |
1855 | 10.4k | property->token_line = token->line; |
1856 | 10.4k | } |
1857 | | |
1858 | 10.4k | return property; |
1859 | 10.4k | } |
1860 | | |
1861 | | |
1862 | | njs_inline njs_int_t |
1863 | | njs_parser_property_name(njs_parser_t *parser, njs_queue_link_t *current, |
1864 | | unsigned consume) |
1865 | 3.75k | { |
1866 | 3.75k | njs_lexer_token_t *token; |
1867 | 3.75k | njs_parser_node_t *property; |
1868 | | |
1869 | 3.75k | if (consume > 1) { |
1870 | 3.75k | token = njs_lexer_token(parser->lexer, 0); |
1871 | 3.75k | if (token == NULL) { |
1872 | 0 | return NJS_ERROR; |
1873 | 0 | } |
1874 | | |
1875 | 3.75k | property = njs_parser_property_name_node(parser, token); |
1876 | 3.75k | if (property == NULL) { |
1877 | 0 | return NJS_ERROR; |
1878 | 0 | } |
1879 | | |
1880 | 3.75k | parser->target->right = property; |
1881 | 3.75k | parser->target->index = (token->type == NJS_TOKEN_NAME); |
1882 | 3.75k | } |
1883 | | |
1884 | 3.75k | njs_lexer_consume_token(parser->lexer, consume); |
1885 | | |
1886 | 3.75k | parser->node = NULL; |
1887 | | |
1888 | 3.75k | njs_parser_next(parser, njs_parser_assignment_expression); |
1889 | | |
1890 | 3.75k | return njs_parser_after(parser, current, parser->target, 1, |
1891 | 3.75k | njs_parser_property_definition_after); |
1892 | 3.75k | } |
1893 | | |
1894 | | |
1895 | | static njs_int_t |
1896 | | njs_parser_property_definition_ident(njs_parser_t *parser, |
1897 | | njs_lexer_token_t *token, njs_parser_node_t *temp) |
1898 | 1.95k | { |
1899 | 1.95k | temp->right = njs_parser_node_string(parser->vm, token, parser); |
1900 | 1.95k | if (temp->right == NULL) { |
1901 | 0 | return NJS_ERROR; |
1902 | 0 | } |
1903 | | |
1904 | 1.95k | temp->right->index = NJS_TOKEN_OPEN_BRACKET; |
1905 | | |
1906 | 1.95k | parser->node = njs_parser_reference(parser, token); |
1907 | 1.95k | if (parser->node == NULL) { |
1908 | 0 | return NJS_ERROR; |
1909 | 0 | } |
1910 | | |
1911 | 1.95k | njs_lexer_consume_token(parser->lexer, 1); |
1912 | | |
1913 | 1.95k | token = njs_lexer_token(parser->lexer, 0); |
1914 | 1.95k | if (token == NULL) { |
1915 | 0 | return NJS_ERROR; |
1916 | 0 | } |
1917 | | |
1918 | | /* CoverInitializedName */ |
1919 | 1.95k | if (token->type == NJS_TOKEN_ASSIGNMENT) { |
1920 | 1 | return njs_parser_not_supported(parser, token); |
1921 | 1 | } |
1922 | | |
1923 | 1.95k | njs_parser_next(parser, njs_parser_property_definition_after); |
1924 | | |
1925 | 1.95k | return NJS_OK; |
1926 | 1.95k | } |
1927 | | |
1928 | | |
1929 | | static njs_int_t |
1930 | | njs_parser_property_definition(njs_parser_t *parser, njs_lexer_token_t *token, |
1931 | | njs_queue_link_t *current) |
1932 | 47.3k | { |
1933 | 47.3k | njs_str_t *name; |
1934 | 47.3k | njs_token_type_t accessor; |
1935 | 47.3k | njs_lexer_token_t *next; |
1936 | 47.3k | njs_parser_node_t *temp, *property; |
1937 | | |
1938 | 47.3k | temp = parser->target; |
1939 | | |
1940 | 47.3k | switch (token->type) { |
1941 | 32.8k | case NJS_TOKEN_CLOSE_BRACE: |
1942 | 32.8k | return njs_parser_stack_pop(parser); |
1943 | | |
1944 | | /* PropertyName */ |
1945 | 966 | case NJS_TOKEN_STRING: |
1946 | 969 | case NJS_TOKEN_ESCAPE_STRING: |
1947 | 6.25k | case NJS_TOKEN_NUMBER: |
1948 | 6.25k | next = njs_lexer_peek_token(parser->lexer, token, 0); |
1949 | 6.25k | if (next == NULL) { |
1950 | 0 | return NJS_ERROR; |
1951 | 0 | } |
1952 | | |
1953 | 6.25k | if (next->type == NJS_TOKEN_COLON) { |
1954 | 1.81k | return njs_parser_property_name(parser, current, 2); |
1955 | | |
1956 | 4.44k | } else if (next->type == NJS_TOKEN_OPEN_PARENTHESIS) { |
1957 | 4.43k | goto method_definition; |
1958 | 4.43k | } |
1959 | | |
1960 | 3 | njs_lexer_consume_token(parser->lexer, 1); |
1961 | | |
1962 | 3 | return njs_parser_failed(parser); |
1963 | | |
1964 | | /* ComputedPropertyName */ |
1965 | 0 | case NJS_TOKEN_OPEN_BRACKET: |
1966 | 0 | njs_lexer_consume_token(parser->lexer, 1); |
1967 | |
|
1968 | 0 | njs_parser_next(parser, njs_parser_assignment_expression); |
1969 | |
|
1970 | 0 | return njs_parser_after(parser, current, temp, 1, |
1971 | 6.25k | njs_parser_computed_property_name_after); |
1972 | | |
1973 | 0 | case NJS_TOKEN_ELLIPSIS: |
1974 | 0 | return njs_parser_not_supported(parser, token); |
1975 | | |
1976 | 1.53k | case NJS_TOKEN_ASYNC: |
1977 | 1.53k | token = njs_lexer_peek_token(parser->lexer, token, 0); |
1978 | 1.53k | if (token == NULL) { |
1979 | 0 | return NJS_ERROR; |
1980 | 0 | } |
1981 | | |
1982 | 1.53k | if (token->type == NJS_TOKEN_OPEN_BRACKET) { |
1983 | 0 | njs_lexer_consume_token(parser->lexer, 2); |
1984 | |
|
1985 | 0 | njs_parser_next(parser, njs_parser_assignment_expression); |
1986 | |
|
1987 | 0 | return njs_parser_after(parser, current, temp, 1, |
1988 | 0 | njs_parser_computed_property_async_after); |
1989 | 0 | } |
1990 | | |
1991 | 1.53k | if (token->type == NJS_TOKEN_COLON) { |
1992 | 0 | return njs_parser_property_name(parser, current, 2); |
1993 | 0 | } |
1994 | | |
1995 | 1.53k | if (!njs_lexer_token_is_identifier_name(token)) { |
1996 | 0 | return njs_parser_failed(parser); |
1997 | 0 | } |
1998 | | |
1999 | 1.53k | next = njs_lexer_peek_token(parser->lexer, token, 0); |
2000 | 1.53k | if (next == NULL) { |
2001 | 0 | return NJS_ERROR; |
2002 | 0 | } |
2003 | | |
2004 | 1.53k | if (next->type == NJS_TOKEN_OPEN_PARENTHESIS) { |
2005 | 0 | goto method_definition; |
2006 | 0 | } |
2007 | | |
2008 | 1.53k | njs_lexer_consume_token(parser->lexer, 1); |
2009 | | |
2010 | 1.53k | return njs_parser_failed(parser); |
2011 | | |
2012 | 6.67k | default: |
2013 | 6.67k | if (!njs_lexer_token_is_identifier_name(token)) { |
2014 | 575 | return njs_parser_reject(parser); |
2015 | 575 | } |
2016 | | |
2017 | 6.10k | next = njs_lexer_peek_token(parser->lexer, token, 0); |
2018 | 6.10k | if (next == NULL) { |
2019 | 0 | return NJS_ERROR; |
2020 | 0 | } |
2021 | | |
2022 | | /* PropertyName */ |
2023 | 6.10k | if (next->type == NJS_TOKEN_COLON) { |
2024 | 1.93k | return njs_parser_property_name(parser, current, 2); |
2025 | | |
2026 | | /* MethodDefinition */ |
2027 | 4.17k | } else if (next->type == NJS_TOKEN_OPEN_PARENTHESIS) { |
2028 | 1 | goto method_definition; |
2029 | | |
2030 | 4.16k | } else if (njs_lexer_token_is_reserved(token)) { |
2031 | 0 | njs_lexer_consume_token(parser->lexer, 1); |
2032 | |
|
2033 | 0 | return njs_parser_failed(parser); |
2034 | 0 | } |
2035 | | |
2036 | 4.16k | name = &token->text; |
2037 | | |
2038 | 4.16k | if (name->length == 3 && (memcmp(name->start, "get", 3) == 0 |
2039 | 2.59k | || memcmp(name->start, "set", 3) == 0)) |
2040 | 2.59k | { |
2041 | 2.59k | accessor = (name->start[0] == 'g') ? NJS_TOKEN_PROPERTY_GETTER |
2042 | 2.59k | : NJS_TOKEN_PROPERTY_SETTER; |
2043 | | |
2044 | 2.59k | temp->right = (njs_parser_node_t *) (uintptr_t) accessor; |
2045 | | |
2046 | 2.59k | njs_parser_next(parser, njs_parser_get_set); |
2047 | | |
2048 | 2.59k | return NJS_OK; |
2049 | 2.59k | } |
2050 | | |
2051 | 1.57k | return njs_parser_property_definition_ident(parser, token, temp); |
2052 | 47.3k | } |
2053 | | |
2054 | 4.44k | method_definition: |
2055 | | |
2056 | 4.44k | property = njs_parser_property_name_node(parser, token); |
2057 | 4.44k | if (property == NULL) { |
2058 | 0 | return NJS_ERROR; |
2059 | 0 | } |
2060 | | |
2061 | 4.44k | temp->right = property; |
2062 | 4.44k | temp->right->index = NJS_TOKEN_OPEN_BRACKET; |
2063 | | |
2064 | 4.44k | njs_parser_next(parser, njs_parser_method_definition); |
2065 | | |
2066 | 4.44k | return njs_parser_after(parser, current, temp, 1, |
2067 | 4.44k | njs_parser_property_definition_after); |
2068 | 4.44k | } |
2069 | | |
2070 | | |
2071 | | static njs_int_t |
2072 | | njs_parser_property_definition_after(njs_parser_t *parser, |
2073 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
2074 | 10.1k | { |
2075 | 10.1k | njs_int_t ret; |
2076 | 10.1k | njs_str_t name; |
2077 | 10.1k | njs_bool_t proto_init; |
2078 | 10.1k | njs_parser_node_t *property, *temp; |
2079 | | |
2080 | 10.1k | static const njs_str_t proto_string = njs_str("__proto__"); |
2081 | | |
2082 | 10.1k | temp = parser->target; |
2083 | 10.1k | property = temp->right; |
2084 | | |
2085 | 10.1k | proto_init = 0; |
2086 | | |
2087 | 10.1k | if (property->index != NJS_TOKEN_OPEN_BRACKET |
2088 | 10.1k | && njs_is_string(&property->u.value)) |
2089 | 2.89k | { |
2090 | 2.89k | njs_string_get(&property->u.value, &name); |
2091 | | |
2092 | 2.89k | if (njs_slow_path(njs_strstr_eq(&name, &proto_string))) { |
2093 | 1.11k | if (temp->token_type == NJS_TOKEN_PROTO_INIT) { |
2094 | 0 | njs_parser_syntax_error(parser, |
2095 | 0 | "Duplicate __proto__ fields are not allowed " |
2096 | 0 | "in object literals"); |
2097 | 0 | return NJS_ERROR; |
2098 | 0 | } |
2099 | | |
2100 | 1.11k | temp->token_type = NJS_TOKEN_PROTO_INIT; |
2101 | 1.11k | proto_init = 1; |
2102 | 1.11k | } |
2103 | 2.89k | } |
2104 | | |
2105 | 10.1k | if (property->index != 0) { |
2106 | 6.39k | property->index = 0; |
2107 | 6.39k | } |
2108 | | |
2109 | 10.1k | ret = njs_parser_object_property(parser, temp->left, property, |
2110 | 10.1k | parser->node, proto_init); |
2111 | 10.1k | if (ret != NJS_OK) { |
2112 | 0 | return NJS_ERROR; |
2113 | 0 | } |
2114 | | |
2115 | 10.1k | temp->right = NULL; |
2116 | | |
2117 | 10.1k | return njs_parser_stack_pop(parser); |
2118 | 10.1k | } |
2119 | | |
2120 | | |
2121 | | static njs_int_t |
2122 | | njs_parser_computed_property_name_after(njs_parser_t *parser, |
2123 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
2124 | 0 | { |
2125 | 0 | return njs_parser_computed_property_name_handler(parser, token, current, 0); |
2126 | 0 | } |
2127 | | |
2128 | | |
2129 | | static njs_int_t |
2130 | | njs_parser_computed_property_async_after(njs_parser_t *parser, |
2131 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
2132 | 0 | { |
2133 | 0 | return njs_parser_computed_property_name_handler(parser, token, current, 1); |
2134 | 0 | } |
2135 | | |
2136 | | |
2137 | | static njs_int_t |
2138 | | njs_parser_computed_property_name_handler(njs_parser_t *parser, |
2139 | | njs_lexer_token_t *token, njs_queue_link_t *current, njs_bool_t async) |
2140 | 0 | { |
2141 | 0 | njs_token_type_t type; |
2142 | 0 | njs_parser_node_t *expr, *target; |
2143 | |
|
2144 | 0 | if (token->type != NJS_TOKEN_CLOSE_BRACKET) { |
2145 | 0 | return njs_parser_failed(parser); |
2146 | 0 | } |
2147 | | |
2148 | 0 | njs_lexer_consume_token(parser->lexer, 1); |
2149 | |
|
2150 | 0 | token = njs_lexer_token(parser->lexer, 0); |
2151 | 0 | if (token == NULL) { |
2152 | 0 | return NJS_ERROR; |
2153 | 0 | } |
2154 | | |
2155 | 0 | target = parser->target; |
2156 | | |
2157 | | /* |
2158 | | * For further identification. |
2159 | | * In njs_parser_property_definition_after() index will be reset to zero. |
2160 | | */ |
2161 | 0 | parser->node->index = NJS_TOKEN_OPEN_BRACKET; |
2162 | |
|
2163 | 0 | target->right = parser->node; |
2164 | |
|
2165 | 0 | if (!async && token->type == NJS_TOKEN_COLON) { |
2166 | 0 | return njs_parser_property_name(parser, current, 1); |
2167 | | |
2168 | | /* MethodDefinition */ |
2169 | 0 | } else if (token->type == NJS_TOKEN_OPEN_PARENTHESIS) { |
2170 | 0 | type = (async) ? NJS_TOKEN_ASYNC_FUNCTION : NJS_TOKEN_FUNCTION; |
2171 | |
|
2172 | 0 | expr = njs_parser_node_new(parser, type); |
2173 | 0 | if (expr == NULL) { |
2174 | 0 | return NJS_ERROR; |
2175 | 0 | } |
2176 | | |
2177 | 0 | expr->token_line = token->line; |
2178 | |
|
2179 | 0 | parser->node = expr; |
2180 | |
|
2181 | 0 | njs_lexer_consume_token(parser->lexer, 1); |
2182 | 0 | njs_parser_next(parser, njs_parser_function_lambda); |
2183 | |
|
2184 | 0 | return njs_parser_after(parser, current, parser->target, 1, |
2185 | 0 | njs_parser_property_definition_after); |
2186 | 0 | } |
2187 | | |
2188 | 0 | return njs_parser_failed(parser); |
2189 | 0 | } |
2190 | | |
2191 | | |
2192 | | static njs_int_t |
2193 | | njs_parser_initializer(njs_parser_t *parser, njs_lexer_token_t *token, |
2194 | | njs_queue_link_t *current) |
2195 | 7.73k | { |
2196 | 7.73k | njs_parser_node_t *node; |
2197 | | |
2198 | 7.73k | if (token->type != NJS_TOKEN_ASSIGNMENT) { |
2199 | 0 | return njs_parser_failed(parser); |
2200 | 0 | } |
2201 | | |
2202 | 7.73k | njs_lexer_consume_token(parser->lexer, 1); |
2203 | | |
2204 | 7.73k | node = parser->node; |
2205 | | |
2206 | 7.73k | parser->node = NULL; |
2207 | | |
2208 | 7.73k | njs_parser_next(parser, njs_parser_assignment_expression); |
2209 | | |
2210 | 7.73k | return njs_parser_after(parser, current, node, 1, |
2211 | 7.73k | njs_parser_initializer_after); |
2212 | 7.73k | } |
2213 | | |
2214 | | |
2215 | | static njs_int_t |
2216 | | njs_parser_initializer_after(njs_parser_t *parser, njs_lexer_token_t *token, |
2217 | | njs_queue_link_t *current) |
2218 | 12.0k | { |
2219 | 12.0k | njs_parser_node_t *stmt; |
2220 | | |
2221 | 12.0k | stmt = njs_parser_node_new(parser, NJS_TOKEN_STATEMENT); |
2222 | 12.0k | if (stmt == NULL) { |
2223 | 0 | return NJS_ERROR; |
2224 | 0 | } |
2225 | | |
2226 | 12.0k | stmt->left = NULL; |
2227 | 12.0k | stmt->right = parser->target; |
2228 | | |
2229 | 12.0k | parser->target->right = parser->node; |
2230 | 12.0k | parser->node = stmt; |
2231 | | |
2232 | 12.0k | return njs_parser_stack_pop(parser); |
2233 | 12.0k | } |
2234 | | |
2235 | | |
2236 | | static njs_int_t |
2237 | | njs_parser_initializer_assign(njs_parser_t *parser, njs_token_type_t type) |
2238 | 12.0k | { |
2239 | 12.0k | njs_parser_node_t *assign; |
2240 | | |
2241 | 12.0k | assign = njs_parser_node_new(parser, type); |
2242 | 12.0k | if (assign == NULL) { |
2243 | 0 | return NJS_ERROR; |
2244 | 0 | } |
2245 | | |
2246 | 12.0k | assign->u.operation = NJS_VMCODE_MOVE; |
2247 | 12.0k | assign->left = parser->node; |
2248 | | |
2249 | | /* assign->right in njs_parser_initializer_after. */ |
2250 | | |
2251 | 12.0k | parser->node = assign; |
2252 | | |
2253 | 12.0k | return NJS_OK; |
2254 | 12.0k | } |
2255 | | |
2256 | | |
2257 | | /* |
2258 | | * 12.3 Left-Hand-Side Expressions. |
2259 | | */ |
2260 | | static njs_int_t |
2261 | | njs_parser_property(njs_parser_t *parser, njs_lexer_token_t *token, |
2262 | | njs_queue_link_t *current) |
2263 | 4.96M | { |
2264 | 4.96M | njs_parser_node_t *node, *prop_node; |
2265 | | |
2266 | | /* |
2267 | | * [ Expression ] |
2268 | | * . IdentifierName |
2269 | | * TemplateLiteral |
2270 | | */ |
2271 | | |
2272 | 4.96M | switch (token->type) { |
2273 | 117k | case NJS_TOKEN_OPEN_BRACKET: |
2274 | 117k | node = njs_parser_node_new(parser, NJS_TOKEN_PROPERTY); |
2275 | 117k | if (node == NULL) { |
2276 | 0 | return NJS_ERROR; |
2277 | 0 | } |
2278 | | |
2279 | 117k | node->u.operation = NJS_VMCODE_PROPERTY_GET; |
2280 | 117k | node->left = parser->node; |
2281 | 117k | node->token_line = token->line; |
2282 | | |
2283 | 117k | parser->node = NULL; |
2284 | | |
2285 | 117k | njs_lexer_consume_token(parser->lexer, 1); |
2286 | | |
2287 | 117k | njs_parser_next(parser, njs_parser_expression); |
2288 | | |
2289 | 117k | return njs_parser_after(parser, current, node, 1, |
2290 | 117k | njs_parser_member_expression_bracket); |
2291 | | |
2292 | 66.5k | case NJS_TOKEN_DOT: |
2293 | 66.5k | token = njs_lexer_peek_token(parser->lexer, token, 0); |
2294 | 66.5k | if (token == NULL) { |
2295 | 0 | return NJS_ERROR; |
2296 | 0 | } |
2297 | | |
2298 | 66.5k | if (njs_lexer_token_is_identifier_name(token)) { |
2299 | 66.5k | node = njs_parser_node_new(parser, NJS_TOKEN_PROPERTY); |
2300 | 66.5k | if (node == NULL) { |
2301 | 0 | return NJS_ERROR; |
2302 | 0 | } |
2303 | | |
2304 | 66.5k | node->u.operation = NJS_VMCODE_PROPERTY_GET; |
2305 | 66.5k | node->token_line = token->line; |
2306 | | |
2307 | 66.5k | prop_node = njs_parser_node_string(parser->vm, token, parser); |
2308 | 66.5k | if (prop_node == NULL) { |
2309 | 0 | return NJS_ERROR; |
2310 | 0 | } |
2311 | | |
2312 | 66.5k | prop_node->token_line = token->line; |
2313 | | |
2314 | 66.5k | node->left = parser->node; |
2315 | 66.5k | node->right = prop_node; |
2316 | | |
2317 | 66.5k | parser->node = node; |
2318 | | |
2319 | 66.5k | njs_lexer_consume_token(parser->lexer, 2); |
2320 | 66.5k | return NJS_AGAIN; |
2321 | 66.5k | } |
2322 | | |
2323 | 2 | njs_lexer_consume_token(parser->lexer, 1); |
2324 | | |
2325 | 2 | return NJS_DECLINED; |
2326 | | |
2327 | 1.88M | case NJS_TOKEN_GRAVE: |
2328 | 1.88M | node = njs_parser_create_call(parser, parser->node, 0); |
2329 | 1.88M | if (node == NULL) { |
2330 | 0 | return NJS_ERROR; |
2331 | 0 | } |
2332 | | |
2333 | 1.88M | node->token_line = token->line; |
2334 | | |
2335 | 1.88M | parser->node = node; |
2336 | | |
2337 | 1.88M | njs_parser_next(parser, njs_parser_template_literal); |
2338 | | |
2339 | 1.88M | break; |
2340 | | |
2341 | 2.90M | default: |
2342 | 2.90M | return NJS_DONE; |
2343 | 4.96M | } |
2344 | | |
2345 | 1.88M | return NJS_OK; |
2346 | 4.96M | } |
2347 | | |
2348 | | |
2349 | | static njs_int_t |
2350 | | njs_parser_member_expression(njs_parser_t *parser, njs_lexer_token_t *token, |
2351 | | njs_queue_link_t *current) |
2352 | 2.91M | { |
2353 | 2.91M | njs_int_t ret; |
2354 | | |
2355 | | /* |
2356 | | * PrimaryExpression |
2357 | | * MemberExpression [ Expression ] |
2358 | | * MemberExpression . IdentifierName |
2359 | | * MemberExpression TemplateLiteral |
2360 | | * SuperProperty |
2361 | | * MetaProperty |
2362 | | * new MemberExpression Arguments |
2363 | | */ |
2364 | | |
2365 | 2.91M | switch (token->type) { |
2366 | | /* SuperProperty */ |
2367 | 0 | case NJS_TOKEN_SUPER: |
2368 | | /* TODO: By specification. */ |
2369 | 0 | (void) njs_parser_super_property; |
2370 | 0 | return njs_parser_not_supported(parser, token); |
2371 | | |
2372 | | /* MetaProperty */ |
2373 | 0 | case NJS_TOKEN_IMPORT: |
2374 | | /* TODO: By specification. */ |
2375 | 0 | (void) njs_parser_member_expression_import; |
2376 | 0 | return njs_parser_not_supported(parser, token); |
2377 | | |
2378 | 1.95k | case NJS_TOKEN_NEW: |
2379 | 1.95k | njs_lexer_consume_token(parser->lexer, 1); |
2380 | | |
2381 | 1.95k | njs_parser_next(parser, njs_parser_member_expression_new); |
2382 | 1.95k | break; |
2383 | | |
2384 | 2.91M | default: |
2385 | 2.91M | ret = njs_parser_primary_expression_test(parser, token, current); |
2386 | | |
2387 | 2.91M | if (ret != NJS_OK) { |
2388 | 2.78M | if (ret == NJS_DONE) { |
2389 | 2.78M | njs_parser_next(parser, njs_parser_member_expression_next); |
2390 | 2.78M | return NJS_OK; |
2391 | 2.78M | } |
2392 | | |
2393 | 1.81k | if (njs_is_error(&parser->vm->exception)) { |
2394 | 1.59k | return NJS_DONE; |
2395 | 1.59k | } |
2396 | | |
2397 | 223 | return ret; |
2398 | 1.81k | } |
2399 | | |
2400 | 128k | break; |
2401 | 2.91M | } |
2402 | | |
2403 | 130k | return njs_parser_after(parser, current, NULL, 1, |
2404 | 2.91M | njs_parser_member_expression_next); |
2405 | 2.91M | } |
2406 | | |
2407 | | |
2408 | | static njs_int_t |
2409 | | njs_parser_member_expression_next(njs_parser_t *parser, |
2410 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
2411 | 4.91M | { |
2412 | 4.91M | njs_int_t ret; |
2413 | | |
2414 | | /* |
2415 | | * [ Expression ] |
2416 | | * . IdentifierName |
2417 | | * TemplateLiteral |
2418 | | */ |
2419 | | |
2420 | 4.91M | ret = njs_parser_property(parser, token, current); |
2421 | | |
2422 | 4.91M | switch (ret) { |
2423 | 66.0k | case NJS_AGAIN: |
2424 | 66.0k | return NJS_OK; |
2425 | | |
2426 | 2.85M | case NJS_DONE: |
2427 | 2.85M | return njs_parser_stack_pop(parser); |
2428 | | |
2429 | 2 | case NJS_DECLINED: |
2430 | 2 | return njs_parser_failed(parser); |
2431 | | |
2432 | 1.99M | default: |
2433 | 1.99M | break; |
2434 | 4.91M | } |
2435 | | |
2436 | 1.99M | return njs_parser_after(parser, current, NULL, 1, |
2437 | 4.91M | njs_parser_member_expression_next); |
2438 | 4.91M | } |
2439 | | |
2440 | | |
2441 | | static njs_int_t |
2442 | | njs_parser_member_expression_bracket(njs_parser_t *parser, |
2443 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
2444 | 115k | { |
2445 | 115k | if (token->type != NJS_TOKEN_CLOSE_BRACKET) { |
2446 | 2.41k | return njs_parser_failed(parser); |
2447 | 2.41k | } |
2448 | | |
2449 | 113k | njs_lexer_consume_token(parser->lexer, 1); |
2450 | | |
2451 | 113k | parser->target->right = parser->node; |
2452 | 113k | parser->node = parser->target; |
2453 | | |
2454 | 113k | return njs_parser_stack_pop(parser); |
2455 | 115k | } |
2456 | | |
2457 | | |
2458 | | static njs_int_t |
2459 | | njs_parser_member_expression_new_next(njs_parser_t *parser, |
2460 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
2461 | 1.95k | { |
2462 | 1.95k | njs_int_t ret; |
2463 | | |
2464 | | /* |
2465 | | * PrimaryExpression |
2466 | | * SuperProperty |
2467 | | * MetaProperty |
2468 | | * Arguments |
2469 | | */ |
2470 | | |
2471 | 1.95k | switch (token->type) { |
2472 | | /* SuperProperty */ |
2473 | 0 | case NJS_TOKEN_SUPER: |
2474 | 0 | (void) njs_parser_super_property; |
2475 | 0 | return njs_parser_not_supported(parser, token); |
2476 | | |
2477 | | /* MetaProperty */ |
2478 | 0 | case NJS_TOKEN_IMPORT: |
2479 | 0 | (void) njs_parser_member_expression_import; |
2480 | 0 | return njs_parser_not_supported(parser, token); |
2481 | | |
2482 | 1.95k | default: |
2483 | 1.95k | ret = njs_parser_primary_expression_test(parser, token, current); |
2484 | | |
2485 | 1.95k | if (ret != NJS_OK) { |
2486 | 1.95k | if (ret == NJS_DONE) { |
2487 | 1.95k | njs_parser_next(parser, njs_parser_member_expression_next); |
2488 | 1.95k | return NJS_OK; |
2489 | 1.95k | } |
2490 | | |
2491 | 0 | return ret; |
2492 | 1.95k | } |
2493 | | |
2494 | 0 | return njs_parser_after(parser, current, NULL, 1, |
2495 | 1.95k | njs_parser_member_expression_next); |
2496 | 1.95k | } |
2497 | 1.95k | } |
2498 | | |
2499 | | |
2500 | | static njs_int_t |
2501 | | njs_parser_super_property(njs_parser_t *parser, njs_lexer_token_t *token, |
2502 | | njs_queue_link_t *current) |
2503 | 0 | { |
2504 | | /* |
2505 | | * [ Expression ] |
2506 | | * . IdentifierName |
2507 | | */ |
2508 | |
|
2509 | 0 | if (token->type == NJS_TOKEN_OPEN_BRACKET) { |
2510 | 0 | parser->node = NULL; |
2511 | |
|
2512 | 0 | njs_parser_next(parser, njs_parser_expression); |
2513 | |
|
2514 | 0 | return njs_parser_after(parser, current, NULL, 1, |
2515 | 0 | njs_parser_close_bracked); |
2516 | 0 | } |
2517 | | |
2518 | 0 | if (token->type != NJS_TOKEN_DOT) { |
2519 | 0 | return njs_parser_failed(parser); |
2520 | 0 | } |
2521 | | |
2522 | 0 | njs_lexer_consume_token(parser->lexer, 1); |
2523 | |
|
2524 | 0 | token = njs_lexer_token(parser->lexer, 0); |
2525 | 0 | if (token == NULL) { |
2526 | 0 | return NJS_ERROR; |
2527 | 0 | } |
2528 | | |
2529 | 0 | if (!njs_lexer_token_is_identifier_name(token)) { |
2530 | 0 | return njs_parser_failed(parser); |
2531 | 0 | } |
2532 | | |
2533 | 0 | return njs_parser_stack_pop(parser); |
2534 | 0 | } |
2535 | | |
2536 | | |
2537 | | static njs_int_t |
2538 | | njs_parser_member_expression_import(njs_parser_t *parser, |
2539 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
2540 | 0 | { |
2541 | | /* |
2542 | | * import . meta |
2543 | | */ |
2544 | |
|
2545 | 0 | if (token->type != NJS_TOKEN_DOT) { |
2546 | 0 | return njs_parser_failed(parser); |
2547 | 0 | } |
2548 | | |
2549 | 0 | njs_lexer_consume_token(parser->lexer, 1); |
2550 | |
|
2551 | 0 | token = njs_lexer_token(parser->lexer, 0); |
2552 | 0 | if (token == NULL) { |
2553 | 0 | return NJS_ERROR; |
2554 | 0 | } |
2555 | | |
2556 | 0 | if (token->type != NJS_TOKEN_META) { |
2557 | 0 | return njs_parser_failed(parser); |
2558 | 0 | } |
2559 | | |
2560 | 0 | njs_lexer_consume_token(parser->lexer, 1); |
2561 | |
|
2562 | 0 | return njs_parser_stack_pop(parser); |
2563 | 0 | } |
2564 | | |
2565 | | |
2566 | | static njs_int_t |
2567 | | njs_parser_member_expression_new(njs_parser_t *parser, |
2568 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
2569 | 1.95k | { |
2570 | | /* |
2571 | | * new MemberExpression Arguments |
2572 | | * new . target |
2573 | | */ |
2574 | | |
2575 | 1.95k | if (token->type != NJS_TOKEN_DOT) { |
2576 | 1.95k | njs_parser_next(parser, njs_parser_member_expression_new_next); |
2577 | | |
2578 | 1.95k | return njs_parser_after(parser, current, NULL, 1, |
2579 | 1.95k | njs_parser_member_expression_new_after); |
2580 | 1.95k | } |
2581 | | |
2582 | | /* njs_lexer_consume_token(parser->lexer, 1); */ |
2583 | | |
2584 | 0 | token = njs_lexer_token(parser->lexer, 0); |
2585 | 0 | if (token == NULL) { |
2586 | 0 | return NJS_ERROR; |
2587 | 0 | } |
2588 | | |
2589 | 0 | if (token->type != NJS_TOKEN_TARGET) { |
2590 | 0 | return njs_parser_failed(parser); |
2591 | 0 | } |
2592 | | |
2593 | | /* njs_lexer_consume_token(parser->lexer, 1); */ |
2594 | | |
2595 | | /* return njs_parser_stack_pop(parser); */ |
2596 | 0 | return njs_parser_not_supported(parser, token); |
2597 | 0 | } |
2598 | | |
2599 | | |
2600 | | static njs_int_t |
2601 | | njs_parser_member_expression_new_after(njs_parser_t *parser, |
2602 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
2603 | 1.95k | { |
2604 | 1.95k | njs_parser_node_t *func; |
2605 | | |
2606 | 1.95k | if (token->type != NJS_TOKEN_OPEN_PARENTHESIS) { |
2607 | 19 | parser->node = njs_parser_create_call(parser, parser->node, 1); |
2608 | 19 | if (parser->node == NULL) { |
2609 | 0 | return NJS_ERROR; |
2610 | 0 | } |
2611 | | |
2612 | 19 | parser->node->token_line = token->line; |
2613 | | |
2614 | 19 | return njs_parser_stack_pop(parser); |
2615 | 19 | } |
2616 | | |
2617 | 1.93k | func = njs_parser_create_call(parser, parser->node, 1); |
2618 | 1.93k | if (func == NULL) { |
2619 | 0 | return NJS_ERROR; |
2620 | 0 | } |
2621 | | |
2622 | 1.93k | func->token_line = token->line; |
2623 | 1.93k | parser->node = func; |
2624 | | |
2625 | 1.93k | njs_lexer_consume_token(parser->lexer, 1); |
2626 | 1.93k | njs_parser_next(parser, njs_parser_arguments); |
2627 | | |
2628 | 1.93k | return njs_parser_after(parser, current, func, 1, |
2629 | 1.93k | njs_parser_member_expression_new_args); |
2630 | 1.93k | } |
2631 | | |
2632 | | |
2633 | | static njs_int_t |
2634 | | njs_parser_member_expression_new_args(njs_parser_t *parser, |
2635 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
2636 | 1.93k | { |
2637 | 1.93k | parser->node = parser->target; |
2638 | | |
2639 | 1.93k | return njs_parser_stack_pop(parser); |
2640 | 1.93k | } |
2641 | | |
2642 | | |
2643 | | static njs_parser_node_t * |
2644 | | njs_parser_create_call(njs_parser_t *parser, njs_parser_node_t *node, |
2645 | | uint8_t ctor) |
2646 | 1.93M | { |
2647 | 1.93M | njs_parser_node_t *func; |
2648 | | |
2649 | 1.93M | switch (node->token_type) { |
2650 | 54.4k | case NJS_TOKEN_NAME: |
2651 | 54.4k | func = node; |
2652 | 54.4k | func->token_type = NJS_TOKEN_FUNCTION_CALL; |
2653 | | |
2654 | 54.4k | break; |
2655 | | |
2656 | 33.9k | case NJS_TOKEN_PROPERTY: |
2657 | 33.9k | func = njs_parser_node_new(parser, NJS_TOKEN_METHOD_CALL); |
2658 | 33.9k | if (func == NULL) { |
2659 | 0 | return NULL; |
2660 | 0 | } |
2661 | | |
2662 | 33.9k | func->left = node; |
2663 | 33.9k | break; |
2664 | | |
2665 | 1.84M | default: |
2666 | | /* |
2667 | | * NJS_TOKEN_METHOD_CALL, |
2668 | | * NJS_TOKEN_FUNCTION_CALL, |
2669 | | * NJS_TOKEN_FUNCTION_EXPRESSION, |
2670 | | * NJS_TOKEN_OPEN_PARENTHESIS, |
2671 | | * NJS_TOKEN_EVAL. |
2672 | | */ |
2673 | 1.84M | func = njs_parser_node_new(parser, NJS_TOKEN_FUNCTION_CALL); |
2674 | 1.84M | if (func == NULL) { |
2675 | 0 | return NULL; |
2676 | 0 | } |
2677 | | |
2678 | 1.84M | func->left = node; |
2679 | 1.84M | break; |
2680 | 1.93M | } |
2681 | | |
2682 | 1.93M | func->ctor = ctor; |
2683 | | |
2684 | 1.93M | return func; |
2685 | 1.93M | } |
2686 | | |
2687 | | |
2688 | | static njs_int_t |
2689 | | njs_parser_call_expression(njs_parser_t *parser, njs_lexer_token_t *token, |
2690 | | njs_queue_link_t *current) |
2691 | 0 | { |
2692 | 0 | njs_int_t ret; |
2693 | | |
2694 | | /* |
2695 | | * CoverCallExpressionAndAsyncArrowHead |
2696 | | * SuperCall |
2697 | | * ImportCall |
2698 | | * CallExpression Arguments |
2699 | | * CallExpression [ Expression ] |
2700 | | * CallExpression . IdentifierName |
2701 | | * CallExpression TemplateLiteral |
2702 | | */ |
2703 | |
|
2704 | 0 | switch (token->type) { |
2705 | | /* MemberExpression or SuperCall */ |
2706 | 0 | case NJS_TOKEN_SUPER: |
2707 | 0 | return njs_parser_not_supported(parser, token); |
2708 | | |
2709 | 0 | case NJS_TOKEN_IMPORT: |
2710 | 0 | return njs_parser_not_supported(parser, token); |
2711 | | |
2712 | 0 | default: |
2713 | 0 | break; |
2714 | 0 | } |
2715 | | |
2716 | 0 | njs_parser_next(parser, njs_parser_member_expression); |
2717 | |
|
2718 | 0 | ret = njs_parser_after(parser, current, NULL, 1, |
2719 | 0 | njs_parser_call_expression_args); |
2720 | 0 | if (ret != NJS_OK) { |
2721 | 0 | return NJS_ERROR; |
2722 | 0 | } |
2723 | | |
2724 | 0 | return njs_parser_after(parser, current, NULL, 1, |
2725 | 0 | njs_parser_call_expression_after); |
2726 | 0 | } |
2727 | | |
2728 | | |
2729 | | static njs_int_t |
2730 | | njs_parser_call_expression_args(njs_parser_t *parser, njs_lexer_token_t *token, |
2731 | | njs_queue_link_t *current) |
2732 | 0 | { |
2733 | 0 | njs_parser_node_t *func; |
2734 | |
|
2735 | 0 | if (token->type != NJS_TOKEN_OPEN_PARENTHESIS) { |
2736 | 0 | return njs_parser_failed(parser); |
2737 | 0 | } |
2738 | | |
2739 | 0 | func = njs_parser_create_call(parser, parser->node, 0); |
2740 | 0 | if (func == NULL) { |
2741 | 0 | return NJS_ERROR; |
2742 | 0 | } |
2743 | | |
2744 | 0 | func->token_line = token->line; |
2745 | 0 | parser->node = func; |
2746 | |
|
2747 | 0 | njs_lexer_consume_token(parser->lexer, 1); |
2748 | 0 | njs_parser_next(parser, njs_parser_arguments); |
2749 | |
|
2750 | 0 | return njs_parser_after(parser, current, func, 1, |
2751 | 0 | njs_parser_left_hand_side_expression_node); |
2752 | 0 | } |
2753 | | |
2754 | | |
2755 | | static njs_int_t |
2756 | | njs_parser_call_expression_after(njs_parser_t *parser, |
2757 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
2758 | 0 | { |
2759 | 0 | njs_int_t ret; |
2760 | 0 | njs_parser_node_t *func; |
2761 | | |
2762 | | /* |
2763 | | * Arguments |
2764 | | * [ Expression ] |
2765 | | * . IdentifierName |
2766 | | * TemplateLiteral |
2767 | | */ |
2768 | |
|
2769 | 0 | switch (token->type) { |
2770 | 0 | case NJS_TOKEN_OPEN_PARENTHESIS: |
2771 | 0 | func = njs_parser_create_call(parser, parser->node, 0); |
2772 | 0 | if (func == NULL) { |
2773 | 0 | return NJS_ERROR; |
2774 | 0 | } |
2775 | | |
2776 | 0 | func->token_line = token->line; |
2777 | 0 | parser->node = func; |
2778 | |
|
2779 | 0 | njs_lexer_consume_token(parser->lexer, 1); |
2780 | 0 | njs_parser_next(parser, njs_parser_arguments); |
2781 | |
|
2782 | 0 | ret = njs_parser_after(parser, current, func, 1, |
2783 | 0 | njs_parser_left_hand_side_expression_node); |
2784 | 0 | if (ret != NJS_OK) { |
2785 | 0 | return NJS_ERROR; |
2786 | 0 | } |
2787 | | |
2788 | 0 | break; |
2789 | | |
2790 | 0 | default: |
2791 | 0 | ret = njs_parser_property(parser, token, current); |
2792 | |
|
2793 | 0 | switch (ret) { |
2794 | 0 | case NJS_AGAIN: |
2795 | 0 | return NJS_OK; |
2796 | | |
2797 | 0 | case NJS_DONE: |
2798 | 0 | return njs_parser_stack_pop(parser); |
2799 | | |
2800 | 0 | case NJS_DECLINED: |
2801 | 0 | return njs_parser_failed(parser); |
2802 | | |
2803 | 0 | default: |
2804 | 0 | break; |
2805 | 0 | } |
2806 | | |
2807 | 0 | break; |
2808 | 0 | } |
2809 | | |
2810 | 0 | return njs_parser_after(parser, current, NULL, 1, |
2811 | 0 | njs_parser_call_expression_after); |
2812 | 0 | } |
2813 | | |
2814 | | |
2815 | | static njs_int_t |
2816 | | njs_parser_arguments(njs_parser_t *parser, njs_lexer_token_t *token, |
2817 | | njs_queue_link_t *current) |
2818 | 52.3k | { |
2819 | | /* |
2820 | | * ) |
2821 | | * ArgumentList ) |
2822 | | * ArgumentList , ) |
2823 | | */ |
2824 | | |
2825 | 52.3k | if (token->type == NJS_TOKEN_CLOSE_PARENTHESIS) { |
2826 | 40.0k | njs_lexer_consume_token(parser->lexer, 1); |
2827 | 40.0k | return njs_parser_stack_pop(parser); |
2828 | 40.0k | } |
2829 | | |
2830 | 12.3k | parser->scope->in_args = 1; |
2831 | | |
2832 | 12.3k | njs_parser_next(parser, njs_parser_argument_list); |
2833 | | |
2834 | 12.3k | return njs_parser_after(parser, current, NULL, 1, |
2835 | 52.3k | njs_parser_parenthesis_or_comma); |
2836 | 52.3k | } |
2837 | | |
2838 | | |
2839 | | static njs_int_t |
2840 | | njs_parser_parenthesis_or_comma(njs_parser_t *parser, njs_lexer_token_t *token, |
2841 | | njs_queue_link_t *current) |
2842 | 11.1k | { |
2843 | 11.1k | parser->scope->in_args = 0; |
2844 | | |
2845 | 11.1k | if (token->type == NJS_TOKEN_CLOSE_PARENTHESIS) { |
2846 | 11.1k | njs_lexer_consume_token(parser->lexer, 1); |
2847 | 11.1k | return njs_parser_stack_pop(parser); |
2848 | 11.1k | } |
2849 | | |
2850 | 25 | if (token->type != NJS_TOKEN_COMMA) { |
2851 | 25 | return njs_parser_failed(parser); |
2852 | 25 | } |
2853 | | |
2854 | 0 | njs_lexer_consume_token(parser->lexer, 1); |
2855 | |
|
2856 | 0 | token = njs_lexer_token(parser->lexer, 0); |
2857 | 0 | if (njs_slow_path(token == NULL)) { |
2858 | 0 | return NJS_ERROR; |
2859 | 0 | } |
2860 | | |
2861 | 0 | if (token->type != NJS_TOKEN_CLOSE_PARENTHESIS) { |
2862 | 0 | return njs_parser_failed(parser); |
2863 | 0 | } |
2864 | | |
2865 | 0 | njs_lexer_consume_token(parser->lexer, 1); |
2866 | |
|
2867 | 0 | return njs_parser_stack_pop(parser); |
2868 | 0 | } |
2869 | | |
2870 | | |
2871 | | static njs_int_t |
2872 | | njs_parser_argument_list(njs_parser_t *parser, njs_lexer_token_t *token, |
2873 | | njs_queue_link_t *current) |
2874 | 59.2k | { |
2875 | | /* |
2876 | | * AssignmentExpression |
2877 | | * ... AssignmentExpression |
2878 | | * ArgumentList , AssignmentExpression |
2879 | | * ArgumentList , ... AssignmentExpression |
2880 | | */ |
2881 | | |
2882 | | #if 0 /* TODO. */ |
2883 | | if (token->type == NJS_TOKEN_ELLIPSIS) { |
2884 | | njs_lexer_consume_token(parser->lexer, 1); |
2885 | | } |
2886 | | #endif |
2887 | | |
2888 | 59.2k | njs_parser_next(parser, njs_parser_assignment_expression); |
2889 | | |
2890 | 59.2k | return njs_parser_after(parser, current, parser->node, 1, |
2891 | 59.2k | njs_parser_argument_list_after); |
2892 | 59.2k | } |
2893 | | |
2894 | | |
2895 | | static njs_int_t |
2896 | | njs_parser_argument_list_after(njs_parser_t *parser, njs_lexer_token_t *token, |
2897 | | njs_queue_link_t *current) |
2898 | 58.0k | { |
2899 | 58.0k | njs_parser_node_t *node; |
2900 | | |
2901 | 58.0k | node = njs_parser_node_new(parser, NJS_TOKEN_ARGUMENT); |
2902 | 58.0k | if (node == NULL) { |
2903 | 0 | return NJS_ERROR; |
2904 | 0 | } |
2905 | | |
2906 | 58.0k | node->index = njs_scope_temp_index(node->scope); |
2907 | 58.0k | if (njs_slow_path(node->index == NJS_INDEX_ERROR)) { |
2908 | 0 | return NJS_ERROR; |
2909 | 0 | } |
2910 | | |
2911 | 58.0k | node->token_line = token->line; |
2912 | 58.0k | node->left = parser->node; |
2913 | | |
2914 | 58.0k | parser->node->dest = node; |
2915 | 58.0k | parser->target->right = node; |
2916 | 58.0k | parser->node = node; |
2917 | | |
2918 | 58.0k | if (token->type == NJS_TOKEN_COMMA) { |
2919 | 46.9k | njs_lexer_consume_token(parser->lexer, 1); |
2920 | | |
2921 | 46.9k | token = njs_lexer_token(parser->lexer, 0); |
2922 | 46.9k | if (token == NULL) { |
2923 | 0 | return NJS_ERROR; |
2924 | 0 | } |
2925 | | |
2926 | 46.9k | if (token->type == NJS_TOKEN_CLOSE_PARENTHESIS) { |
2927 | 1 | return njs_parser_stack_pop(parser); |
2928 | 1 | } |
2929 | | |
2930 | 46.9k | return njs_parser_argument_list(parser, token, current); |
2931 | 46.9k | } |
2932 | | |
2933 | 11.1k | return njs_parser_stack_pop(parser); |
2934 | 58.0k | } |
2935 | | |
2936 | | |
2937 | | static njs_int_t |
2938 | | njs_parser_optional_expression_after(njs_parser_t *parser, |
2939 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
2940 | 1.88k | { |
2941 | 1.88k | if (token->type != NJS_TOKEN_CONDITIONAL) { |
2942 | 0 | return njs_parser_stack_pop(parser); |
2943 | 0 | } |
2944 | | |
2945 | 1.88k | token = njs_lexer_peek_token(parser->lexer, token, 0); |
2946 | 1.88k | if (token == NULL) { |
2947 | 0 | return NJS_ERROR; |
2948 | 0 | } |
2949 | | |
2950 | 1.88k | if (token->type != NJS_TOKEN_DOT) { |
2951 | 1.88k | return njs_parser_stack_pop(parser); |
2952 | 1.88k | } |
2953 | | |
2954 | 0 | njs_parser_next(parser, njs_parser_optional_chain); |
2955 | |
|
2956 | 0 | return njs_parser_after(parser, current, NULL, 1, |
2957 | 1.88k | njs_parser_optional_expression_after); |
2958 | 1.88k | } |
2959 | | |
2960 | | |
2961 | | static njs_int_t |
2962 | | njs_parser_optional_chain(njs_parser_t *parser, njs_lexer_token_t *token, |
2963 | | njs_queue_link_t *current) |
2964 | 0 | { |
2965 | 0 | njs_int_t ret; |
2966 | 0 | njs_parser_node_t *func; |
2967 | | |
2968 | | /* |
2969 | | * ? . Arguments |
2970 | | * ? . [ Expression ] |
2971 | | * ? . IdentifierName |
2972 | | * ? . TemplateLiteral |
2973 | | * OptionalChain Arguments |
2974 | | * OptionalChain [ Expression ] |
2975 | | * OptionalChain . IdentifierName |
2976 | | * OptionalChain TemplateLiteral |
2977 | | */ |
2978 | |
|
2979 | 0 | if (token->type != NJS_TOKEN_CONDITIONAL) { |
2980 | 0 | return njs_parser_failed(parser); |
2981 | 0 | } |
2982 | | |
2983 | 0 | token = njs_lexer_peek_token(parser->lexer, token, 0); |
2984 | 0 | if (token == NULL) { |
2985 | 0 | return NJS_ERROR; |
2986 | 0 | } |
2987 | | |
2988 | 0 | if (token->type != NJS_TOKEN_DOT) { |
2989 | 0 | return njs_parser_failed(parser); |
2990 | 0 | } |
2991 | | |
2992 | 0 | njs_lexer_consume_token(parser->lexer, 1); |
2993 | |
|
2994 | 0 | token = njs_lexer_token(parser->lexer, 0); |
2995 | 0 | if (token == NULL) { |
2996 | 0 | return NJS_ERROR; |
2997 | 0 | } |
2998 | | |
2999 | 0 | switch (token->type) { |
3000 | 0 | case NJS_TOKEN_OPEN_PARENTHESIS: |
3001 | 0 | func = njs_parser_create_call(parser, parser->node, 0); |
3002 | 0 | if (func == NULL) { |
3003 | 0 | return NJS_ERROR; |
3004 | 0 | } |
3005 | | |
3006 | 0 | func->token_line = token->line; |
3007 | 0 | parser->node = func; |
3008 | |
|
3009 | 0 | njs_lexer_consume_token(parser->lexer, 2); |
3010 | 0 | njs_parser_next(parser, njs_parser_arguments); |
3011 | |
|
3012 | 0 | ret = njs_parser_after(parser, current, func, 1, |
3013 | 0 | njs_parser_left_hand_side_expression_node); |
3014 | 0 | if (ret != NJS_OK) { |
3015 | 0 | return NJS_ERROR; |
3016 | 0 | } |
3017 | | |
3018 | 0 | break; |
3019 | | |
3020 | 0 | default: |
3021 | 0 | ret = njs_parser_property(parser, token, current); |
3022 | |
|
3023 | 0 | switch (ret) { |
3024 | 0 | case NJS_DONE: |
3025 | 0 | case NJS_DECLINED: |
3026 | 0 | return njs_parser_failed(parser); |
3027 | | |
3028 | 0 | default: |
3029 | 0 | break; |
3030 | 0 | } |
3031 | | |
3032 | 0 | break; |
3033 | 0 | } |
3034 | | |
3035 | 0 | return njs_parser_after(parser, current, NULL, 1, |
3036 | 0 | njs_parser_optional_chain_after); |
3037 | 0 | } |
3038 | | |
3039 | | |
3040 | | static njs_int_t |
3041 | | njs_parser_optional_chain_after(njs_parser_t *parser, njs_lexer_token_t *token, |
3042 | | njs_queue_link_t *current) |
3043 | 52.0k | { |
3044 | 52.0k | njs_int_t ret; |
3045 | 52.0k | njs_parser_node_t *func; |
3046 | | |
3047 | | /* |
3048 | | * OptionalChain Arguments |
3049 | | * OptionalChain [ Expression ] |
3050 | | * OptionalChain . IdentifierName |
3051 | | * OptionalChain TemplateLiteral |
3052 | | */ |
3053 | | |
3054 | 52.0k | switch (token->type) { |
3055 | 2.29k | case NJS_TOKEN_OPEN_PARENTHESIS: |
3056 | 2.29k | func = njs_parser_create_call(parser, parser->node, 0); |
3057 | 2.29k | if (func == NULL) { |
3058 | 0 | return NJS_ERROR; |
3059 | 0 | } |
3060 | | |
3061 | 2.29k | func->token_line = token->line; |
3062 | 2.29k | parser->node = func; |
3063 | | |
3064 | 2.29k | njs_lexer_consume_token(parser->lexer, 1); |
3065 | 2.29k | njs_parser_next(parser, njs_parser_arguments); |
3066 | | |
3067 | 2.29k | ret = njs_parser_after(parser, current, func, 1, |
3068 | 2.29k | njs_parser_left_hand_side_expression_node); |
3069 | 2.29k | if (ret != NJS_OK) { |
3070 | 0 | return NJS_ERROR; |
3071 | 0 | } |
3072 | | |
3073 | 2.29k | break; |
3074 | | |
3075 | 49.7k | default: |
3076 | 49.7k | ret = njs_parser_property(parser, token, current); |
3077 | | |
3078 | 49.7k | switch (ret) { |
3079 | 491 | case NJS_AGAIN: |
3080 | 491 | return NJS_OK; |
3081 | | |
3082 | 46.9k | case NJS_DONE: |
3083 | 46.9k | return njs_parser_stack_pop(parser); |
3084 | | |
3085 | 0 | case NJS_DECLINED: |
3086 | 0 | return njs_parser_failed(parser); |
3087 | | |
3088 | 2.33k | default: |
3089 | 2.33k | break; |
3090 | 49.7k | } |
3091 | | |
3092 | 2.33k | break; |
3093 | 52.0k | } |
3094 | | |
3095 | 4.62k | return njs_parser_after(parser, current, NULL, 1, |
3096 | 52.0k | njs_parser_optional_chain_after); |
3097 | 52.0k | } |
3098 | | |
3099 | | |
3100 | | static njs_int_t |
3101 | | njs_parser_new_expression(njs_parser_t *parser, njs_lexer_token_t *token, |
3102 | | njs_queue_link_t *current) |
3103 | 0 | { |
3104 | 0 | if (token->type != NJS_TOKEN_NEW) { |
3105 | 0 | parser->node = NULL; |
3106 | |
|
3107 | 0 | njs_parser_next(parser, njs_parser_member_expression_new); |
3108 | |
|
3109 | 0 | return NJS_OK; |
3110 | 0 | } |
3111 | | |
3112 | 0 | njs_lexer_consume_token(parser->lexer, 1); |
3113 | |
|
3114 | 0 | return njs_parser_after(parser, current, NULL, 1, |
3115 | 0 | njs_parser_new_expression_after); |
3116 | 0 | } |
3117 | | |
3118 | | |
3119 | | static njs_int_t |
3120 | | njs_parser_new_expression_after(njs_parser_t *parser, njs_lexer_token_t *token, |
3121 | | njs_queue_link_t *current) |
3122 | 0 | { |
3123 | 0 | njs_parser_node_t *func; |
3124 | |
|
3125 | 0 | if (token->type == NJS_TOKEN_OPEN_PARENTHESIS) { |
3126 | 0 | njs_parser_next(parser, njs_parser_member_expression_new_after); |
3127 | 0 | return NJS_OK; |
3128 | 0 | } |
3129 | | |
3130 | 0 | func = njs_parser_create_call(parser, parser->node, 1); |
3131 | 0 | if (func == NULL) { |
3132 | 0 | return NJS_ERROR; |
3133 | 0 | } |
3134 | | |
3135 | 0 | func->token_line = token->line; |
3136 | 0 | parser->node = func; |
3137 | |
|
3138 | 0 | return njs_parser_stack_pop(parser); |
3139 | 0 | } |
3140 | | |
3141 | | |
3142 | | static njs_int_t |
3143 | | njs_parser_left_hand_side_expression(njs_parser_t *parser, |
3144 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
3145 | 2.91M | { |
3146 | | /* |
3147 | | * NewExpression = new MemberExpression |
3148 | | * CallExpression = MemberExpression Arguments |
3149 | | * OptionalExpression = MemberExpression OptionalChain |
3150 | | */ |
3151 | | |
3152 | 2.91M | switch (token->type) { |
3153 | | /* NewExpression or MemberExpression */ |
3154 | 1.95k | case NJS_TOKEN_NEW: |
3155 | 1.95k | token = njs_lexer_peek_token(parser->lexer, token, 0); |
3156 | 1.95k | if (token == NULL) { |
3157 | 0 | return NJS_ERROR; |
3158 | 0 | } |
3159 | | |
3160 | 1.95k | if (token->type == NJS_TOKEN_NEW) { |
3161 | 0 | njs_lexer_consume_token(parser->lexer, 1); |
3162 | |
|
3163 | 0 | njs_parser_next(parser, njs_parser_new_expression); |
3164 | |
|
3165 | 0 | return njs_parser_after(parser, current, NULL, 1, |
3166 | 0 | njs_parser_left_hand_side_expression_after); |
3167 | 0 | } |
3168 | | |
3169 | 1.95k | break; |
3170 | | |
3171 | | /* CallExpression or MemberExpression */ |
3172 | 1.95k | case NJS_TOKEN_SUPER: |
3173 | 0 | case NJS_TOKEN_IMPORT: |
3174 | 0 | token = njs_lexer_peek_token(parser->lexer, token, 0); |
3175 | 0 | if (token == NULL) { |
3176 | 0 | return NJS_ERROR; |
3177 | 0 | } |
3178 | | |
3179 | 0 | if (token->type == NJS_TOKEN_OPEN_PARENTHESIS) { |
3180 | 0 | njs_parser_next(parser, njs_parser_call_expression); |
3181 | 0 | return NJS_OK; |
3182 | 0 | } |
3183 | | |
3184 | 0 | break; |
3185 | | |
3186 | 2.91M | default: |
3187 | 2.91M | break; |
3188 | 2.91M | } |
3189 | | |
3190 | 2.91M | njs_parser_next(parser, njs_parser_member_expression); |
3191 | | |
3192 | 2.91M | return njs_parser_after(parser, current, NULL, 1, |
3193 | 2.91M | njs_parser_left_hand_side_expression_after); |
3194 | 2.91M | } |
3195 | | |
3196 | | |
3197 | | static njs_int_t |
3198 | | njs_parser_left_hand_side_expression_after(njs_parser_t *parser, |
3199 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
3200 | 2.85M | { |
3201 | 2.85M | njs_int_t ret; |
3202 | 2.85M | njs_parser_node_t *func; |
3203 | | |
3204 | 2.85M | switch (token->type) { |
3205 | | /* CallExpression */ |
3206 | 48.0k | case NJS_TOKEN_OPEN_PARENTHESIS: |
3207 | 48.0k | func = njs_parser_create_call(parser, parser->node, 0); |
3208 | 48.0k | if (func == NULL) { |
3209 | 0 | return NJS_ERROR; |
3210 | 0 | } |
3211 | | |
3212 | 48.0k | func->token_line = token->line; |
3213 | 48.0k | parser->node = func; |
3214 | | |
3215 | 48.0k | njs_lexer_consume_token(parser->lexer, 1); |
3216 | 48.0k | njs_parser_next(parser, njs_parser_arguments); |
3217 | | |
3218 | 48.0k | ret = njs_parser_after(parser, current, func, 1, |
3219 | 48.0k | njs_parser_left_hand_side_expression_node); |
3220 | 48.0k | if (ret != NJS_OK) { |
3221 | 0 | return NJS_ERROR; |
3222 | 0 | } |
3223 | | |
3224 | 48.0k | return njs_parser_after(parser, current, NULL, 1, |
3225 | 48.0k | njs_parser_left_hand_side_expression_optional); |
3226 | | |
3227 | | /* OptionalExpression */ |
3228 | 1.88k | case NJS_TOKEN_CONDITIONAL: |
3229 | 1.88k | njs_parser_next(parser, njs_parser_optional_expression_after); |
3230 | 1.88k | break; |
3231 | | |
3232 | 2.80M | default: |
3233 | 2.80M | return njs_parser_stack_pop(parser); |
3234 | 2.85M | } |
3235 | | |
3236 | 1.88k | return NJS_OK; |
3237 | 2.85M | } |
3238 | | |
3239 | | |
3240 | | static njs_int_t |
3241 | | njs_parser_left_hand_side_expression_node(njs_parser_t *parser, |
3242 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
3243 | 49.2k | { |
3244 | 49.2k | parser->node = parser->target; |
3245 | | |
3246 | 49.2k | return njs_parser_stack_pop(parser); |
3247 | 49.2k | } |
3248 | | |
3249 | | |
3250 | | static njs_int_t |
3251 | | njs_parser_left_hand_side_expression_optional(njs_parser_t *parser, |
3252 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
3253 | 46.9k | { |
3254 | | /* OptionalExpression */ |
3255 | 46.9k | if (token->type == NJS_TOKEN_CONDITIONAL) { |
3256 | 0 | njs_parser_next(parser, njs_parser_optional_expression_after); |
3257 | 0 | return NJS_OK; |
3258 | 0 | } |
3259 | | |
3260 | 46.9k | njs_parser_next(parser, njs_parser_optional_chain_after); |
3261 | | |
3262 | 46.9k | return NJS_OK; |
3263 | 46.9k | } |
3264 | | |
3265 | | |
3266 | | static njs_int_t |
3267 | | njs_parser_expression_node(njs_parser_t *parser, njs_lexer_token_t *token, |
3268 | | njs_queue_link_t *current, njs_token_type_t type, njs_vmcode_t operation, |
3269 | | njs_parser_state_func_t after) |
3270 | 14.2M | { |
3271 | 14.2M | njs_parser_node_t *node; |
3272 | | |
3273 | 14.2M | if (parser->target != NULL) { |
3274 | 37.4k | parser->target->right = parser->node; |
3275 | 37.4k | parser->target->right->dest = parser->target; |
3276 | 37.4k | parser->node = parser->target; |
3277 | 37.4k | } |
3278 | | |
3279 | 14.2M | if (token->type != type) { |
3280 | 14.2M | return njs_parser_stack_pop(parser); |
3281 | 14.2M | } |
3282 | | |
3283 | 40.0k | node = njs_parser_node_new(parser, type); |
3284 | 40.0k | if (node == NULL) { |
3285 | 0 | return NJS_ERROR; |
3286 | 0 | } |
3287 | | |
3288 | 40.0k | node->token_line = token->line; |
3289 | 40.0k | node->u.operation = operation; |
3290 | 40.0k | node->left = parser->node; |
3291 | 40.0k | node->left->dest = node; |
3292 | | |
3293 | 40.0k | njs_lexer_consume_token(parser->lexer, 1); |
3294 | | |
3295 | 40.0k | return njs_parser_after(parser, current, node, 1, after); |
3296 | 40.0k | } |
3297 | | |
3298 | | |
3299 | | /* |
3300 | | * 12.4 Update Expressions. |
3301 | | */ |
3302 | | static njs_int_t |
3303 | | njs_parser_update_expression(njs_parser_t *parser, njs_lexer_token_t *token, |
3304 | | njs_queue_link_t *current) |
3305 | 2.90M | { |
3306 | 2.90M | njs_vmcode_t operation; |
3307 | 2.90M | njs_parser_node_t *node; |
3308 | | |
3309 | 2.90M | switch (token->type) { |
3310 | 435 | case NJS_TOKEN_INCREMENT: |
3311 | 435 | operation = NJS_VMCODE_INCREMENT; |
3312 | 435 | break; |
3313 | | |
3314 | 7.77k | case NJS_TOKEN_DECREMENT: |
3315 | 7.77k | operation = NJS_VMCODE_DECREMENT; |
3316 | 7.77k | break; |
3317 | | |
3318 | 2.89M | default: |
3319 | 2.89M | njs_parser_next(parser, njs_parser_left_hand_side_expression); |
3320 | | |
3321 | 2.89M | return njs_parser_after(parser, current, NULL, 1, |
3322 | 2.90M | njs_parser_update_expression_post); |
3323 | 2.90M | } |
3324 | | |
3325 | 8.21k | node = njs_parser_node_new(parser, token->type); |
3326 | 8.21k | if (node == NULL) { |
3327 | 0 | return NJS_ERROR; |
3328 | 0 | } |
3329 | | |
3330 | 8.21k | node->token_line = token->line; |
3331 | 8.21k | node->u.operation = operation; |
3332 | | |
3333 | 8.21k | njs_lexer_consume_token(parser->lexer, 1); |
3334 | 8.21k | njs_parser_next(parser, njs_parser_left_hand_side_expression); |
3335 | | |
3336 | 8.21k | return njs_parser_after(parser, current, node, 1, |
3337 | 8.21k | njs_parser_update_expression_unary); |
3338 | 8.21k | } |
3339 | | |
3340 | | |
3341 | | static njs_int_t |
3342 | | njs_parser_update_expression_post(njs_parser_t *parser, |
3343 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
3344 | 2.83M | { |
3345 | 2.83M | njs_vmcode_t operation; |
3346 | 2.83M | njs_token_type_t type; |
3347 | 2.83M | njs_parser_node_t *node; |
3348 | | |
3349 | | /* [no LineTerminator here] */ |
3350 | | |
3351 | 2.83M | switch (token->type) { |
3352 | 2.01k | case NJS_TOKEN_INCREMENT: |
3353 | 2.01k | type = NJS_TOKEN_POST_INCREMENT; |
3354 | 2.01k | operation = NJS_VMCODE_POST_INCREMENT; |
3355 | 2.01k | break; |
3356 | | |
3357 | 18.8k | case NJS_TOKEN_DECREMENT: |
3358 | 18.8k | type = NJS_TOKEN_POST_DECREMENT; |
3359 | 18.8k | operation = NJS_VMCODE_POST_DECREMENT; |
3360 | 18.8k | break; |
3361 | | |
3362 | 2.81M | default: |
3363 | 2.81M | return njs_parser_stack_pop(parser); |
3364 | 2.83M | } |
3365 | | |
3366 | 20.9k | if (parser->lexer->prev_type == NJS_TOKEN_LINE_END) { |
3367 | 0 | return njs_parser_stack_pop(parser); |
3368 | 0 | } |
3369 | | |
3370 | 20.9k | if (!njs_parser_is_lvalue(parser->node)) { |
3371 | 0 | njs_lexer_consume_token(parser->lexer, 1); |
3372 | |
|
3373 | 0 | njs_parser_ref_error(parser, |
3374 | 0 | "Invalid left-hand side in postfix operation"); |
3375 | 0 | return NJS_DONE; |
3376 | 0 | } |
3377 | | |
3378 | 20.9k | node = njs_parser_node_new(parser, type); |
3379 | 20.9k | if (node == NULL) { |
3380 | 0 | return NJS_ERROR; |
3381 | 0 | } |
3382 | | |
3383 | 20.9k | node->token_line = token->line; |
3384 | 20.9k | node->u.operation = operation; |
3385 | 20.9k | node->left = parser->node; |
3386 | | |
3387 | 20.9k | parser->node = node; |
3388 | | |
3389 | 20.9k | njs_lexer_consume_token(parser->lexer, 1); |
3390 | | |
3391 | 20.9k | return njs_parser_stack_pop(parser); |
3392 | 20.9k | } |
3393 | | |
3394 | | |
3395 | | static njs_int_t |
3396 | | njs_parser_update_expression_unary(njs_parser_t *parser, |
3397 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
3398 | 8.21k | { |
3399 | 8.21k | if (!njs_parser_is_lvalue(parser->node)) { |
3400 | 1 | njs_parser_ref_error(parser, |
3401 | 1 | "Invalid left-hand side in prefix operation"); |
3402 | 1 | return NJS_DONE; |
3403 | 1 | } |
3404 | | |
3405 | 8.21k | parser->target->left = parser->node; |
3406 | 8.21k | parser->node = parser->target; |
3407 | | |
3408 | 8.21k | return njs_parser_stack_pop(parser); |
3409 | 8.21k | } |
3410 | | |
3411 | | |
3412 | | /* |
3413 | | * 12.5 Unary Operators. |
3414 | | */ |
3415 | | static njs_int_t |
3416 | | njs_parser_unary_expression(njs_parser_t *parser, njs_lexer_token_t *token, |
3417 | | njs_queue_link_t *current) |
3418 | 2.92M | { |
3419 | 2.92M | njs_vmcode_t operation; |
3420 | 2.92M | njs_token_type_t type; |
3421 | 2.92M | njs_parser_node_t *node; |
3422 | | |
3423 | 2.92M | switch (token->type) { |
3424 | 254 | case NJS_TOKEN_DELETE: |
3425 | 254 | type = NJS_TOKEN_DELETE; |
3426 | 254 | operation = NJS_VMCODE_DELETE; |
3427 | 254 | break; |
3428 | | |
3429 | 107 | case NJS_TOKEN_VOID: |
3430 | 107 | type = NJS_TOKEN_VOID; |
3431 | 107 | operation = NJS_VMCODE_VOID; |
3432 | 107 | break; |
3433 | | |
3434 | 513 | case NJS_TOKEN_TYPEOF: |
3435 | 513 | type = NJS_TOKEN_TYPEOF; |
3436 | 513 | operation = NJS_VMCODE_TYPEOF; |
3437 | 513 | break; |
3438 | | |
3439 | 1.97k | case NJS_TOKEN_ADDITION: |
3440 | 1.97k | type = NJS_TOKEN_UNARY_PLUS; |
3441 | 1.97k | operation = NJS_VMCODE_UNARY_PLUS; |
3442 | 1.97k | break; |
3443 | | |
3444 | 8.93k | case NJS_TOKEN_SUBTRACTION: |
3445 | 8.93k | type = NJS_TOKEN_UNARY_NEGATION; |
3446 | 8.93k | operation = NJS_VMCODE_UNARY_NEGATION; |
3447 | 8.93k | break; |
3448 | | |
3449 | 1.97k | case NJS_TOKEN_BITWISE_NOT: |
3450 | 1.97k | type = NJS_TOKEN_BITWISE_NOT; |
3451 | 1.97k | operation = NJS_VMCODE_BITWISE_NOT; |
3452 | 1.97k | break; |
3453 | | |
3454 | 750 | case NJS_TOKEN_LOGICAL_NOT: |
3455 | 750 | type = NJS_TOKEN_LOGICAL_NOT; |
3456 | 750 | operation = NJS_VMCODE_LOGICAL_NOT; |
3457 | 750 | break; |
3458 | | |
3459 | | /* AwaitExpression */ |
3460 | 2.35k | case NJS_TOKEN_AWAIT: |
3461 | 2.35k | njs_parser_next(parser, njs_parser_await); |
3462 | 2.35k | return NJS_OK; |
3463 | | |
3464 | 2.90M | default: |
3465 | 2.90M | njs_parser_next(parser, njs_parser_update_expression); |
3466 | | |
3467 | 2.90M | return njs_parser_after(parser, current, parser->target, 1, |
3468 | 2.92M | njs_parser_unary_expression_after); |
3469 | 2.92M | } |
3470 | | |
3471 | 14.5k | node = njs_parser_node_new(parser, type); |
3472 | 14.5k | if (node == NULL) { |
3473 | 0 | return NJS_ERROR; |
3474 | 0 | } |
3475 | | |
3476 | 14.5k | node->token_line = token->line; |
3477 | 14.5k | node->u.operation = operation; |
3478 | | |
3479 | 14.5k | parser->target = node; |
3480 | | |
3481 | 14.5k | njs_lexer_consume_token(parser->lexer, 1); |
3482 | | |
3483 | 14.5k | return njs_parser_after(parser, current, node, 1, |
3484 | 14.5k | njs_parser_unary_expression_next); |
3485 | 14.5k | } |
3486 | | |
3487 | | |
3488 | | static njs_int_t |
3489 | | njs_parser_unary_expression_after(njs_parser_t *parser, |
3490 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
3491 | 2.84M | { |
3492 | 2.84M | if (parser->target == NULL && |
3493 | 2.84M | token->type == NJS_TOKEN_EXPONENTIATION) |
3494 | 276 | { |
3495 | 276 | return njs_parser_exponentiation_expression_match(parser, token, |
3496 | 276 | current); |
3497 | 276 | } |
3498 | | |
3499 | 2.84M | return njs_parser_stack_pop(parser); |
3500 | 2.84M | } |
3501 | | |
3502 | | |
3503 | | static njs_int_t |
3504 | | njs_parser_unary_expression_next(njs_parser_t *parser, |
3505 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
3506 | 14.2k | { |
3507 | 14.2k | double num; |
3508 | 14.2k | njs_token_type_t type; |
3509 | 14.2k | njs_parser_node_t *node; |
3510 | | |
3511 | 14.2k | type = parser->target->token_type; |
3512 | 14.2k | node = parser->node; |
3513 | | |
3514 | 14.2k | if (token->type == NJS_TOKEN_EXPONENTIATION) { |
3515 | 0 | njs_parser_syntax_error(parser, "Either left-hand side or entire " |
3516 | 0 | "exponentiation must be parenthesized"); |
3517 | 0 | return NJS_DONE; |
3518 | 0 | } |
3519 | | |
3520 | 14.2k | if (node->token_type == NJS_TOKEN_NUMBER) { |
3521 | 4.13k | if (type == NJS_TOKEN_UNARY_PLUS) { |
3522 | | /* Skip the unary plus of number. */ |
3523 | 24 | return njs_parser_stack_pop(parser); |
3524 | 24 | } |
3525 | | |
3526 | 4.11k | if (type == NJS_TOKEN_UNARY_NEGATION) { |
3527 | | /* Optimization of common negative number. */ |
3528 | 3.90k | num = -njs_number(&node->u.value); |
3529 | 3.90k | njs_set_number(&node->u.value, num); |
3530 | | |
3531 | 3.90k | return njs_parser_stack_pop(parser); |
3532 | 3.90k | } |
3533 | 4.11k | } |
3534 | | |
3535 | 10.2k | if (type == NJS_TOKEN_DELETE) { |
3536 | 254 | switch (node->token_type) { |
3537 | | |
3538 | 0 | case NJS_TOKEN_PROPERTY: |
3539 | 0 | node->token_type = NJS_TOKEN_PROPERTY_DELETE; |
3540 | 0 | node->u.operation = NJS_VMCODE_PROPERTY_DELETE; |
3541 | |
|
3542 | 0 | return njs_parser_stack_pop(parser); |
3543 | | |
3544 | 0 | case NJS_TOKEN_NAME: |
3545 | 0 | njs_parser_syntax_error(parser, |
3546 | 0 | "Delete of an unqualified identifier"); |
3547 | 0 | return NJS_DONE; |
3548 | | |
3549 | 254 | default: |
3550 | 254 | break; |
3551 | 254 | } |
3552 | 254 | } |
3553 | | |
3554 | 10.2k | if (type == NJS_TOKEN_TYPEOF && node->token_type == NJS_TOKEN_NAME) { |
3555 | 210 | node->u.reference.type = NJS_TYPEOF; |
3556 | 210 | } |
3557 | | |
3558 | 10.2k | parser->target->left = parser->node; |
3559 | 10.2k | parser->target->left->dest = parser->target; |
3560 | 10.2k | parser->node = parser->target; |
3561 | | |
3562 | 10.2k | return njs_parser_stack_pop(parser); |
3563 | 10.2k | } |
3564 | | |
3565 | | |
3566 | | static njs_int_t |
3567 | | njs_parser_await(njs_parser_t *parser, njs_lexer_token_t *token, |
3568 | | njs_queue_link_t *current) |
3569 | 2.35k | { |
3570 | 2.35k | njs_parser_node_t *node; |
3571 | | |
3572 | 2.35k | if (!njs_function_scope(parser->scope)->async) { |
3573 | 2 | njs_parser_syntax_error(parser, |
3574 | 2 | "await is only valid in async functions"); |
3575 | 2 | return NJS_ERROR; |
3576 | 2 | } |
3577 | | |
3578 | 2.35k | if (parser->scope->in_args) { |
3579 | 0 | njs_parser_syntax_error(parser, "await in arguments not supported"); |
3580 | 0 | return NJS_ERROR; |
3581 | 0 | } |
3582 | | |
3583 | 2.35k | node = njs_parser_node_new(parser, NJS_TOKEN_AWAIT); |
3584 | 2.35k | if (njs_slow_path(node == NULL)) { |
3585 | 0 | return NJS_ERROR; |
3586 | 0 | } |
3587 | | |
3588 | 2.35k | node->token_line = token->line; |
3589 | | |
3590 | 2.35k | njs_lexer_consume_token(parser->lexer, 1); |
3591 | | |
3592 | 2.35k | parser->node = NULL; |
3593 | | |
3594 | 2.35k | njs_parser_next(parser, njs_parser_unary_expression); |
3595 | | |
3596 | 2.35k | return njs_parser_after(parser, current, node, 0, |
3597 | 2.35k | njs_parser_await_after); |
3598 | 2.35k | } |
3599 | | |
3600 | | |
3601 | | static njs_int_t |
3602 | | njs_parser_await_after(njs_parser_t *parser, njs_lexer_token_t *token, |
3603 | | njs_queue_link_t *current) |
3604 | 2.35k | { |
3605 | 2.35k | if (parser->ret != NJS_OK) { |
3606 | 0 | return njs_parser_failed(parser); |
3607 | 0 | } |
3608 | | |
3609 | 2.35k | parser->target->right = parser->node; |
3610 | 2.35k | parser->node = parser->target; |
3611 | | |
3612 | 2.35k | return njs_parser_stack_pop(parser); |
3613 | 2.35k | } |
3614 | | |
3615 | | |
3616 | | /* |
3617 | | * 12.6 Exponentiation Operator. |
3618 | | */ |
3619 | | static njs_int_t |
3620 | | njs_parser_exponentiation_expression(njs_parser_t *parser, |
3621 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
3622 | 2.90M | { |
3623 | 2.90M | parser->target = NULL; |
3624 | | |
3625 | 2.90M | if (parser->use_lhs == 0) { |
3626 | 2.90M | njs_parser_next(parser, njs_parser_unary_expression); |
3627 | | |
3628 | | /* For UpdateExpression, see njs_parser_unary_expression_after. */ |
3629 | | |
3630 | 2.90M | return NJS_OK; |
3631 | 2.90M | } else { |
3632 | 964 | parser->use_lhs = 0; |
3633 | | |
3634 | 964 | return njs_parser_update_expression_post(parser, token, current); |
3635 | 964 | } |
3636 | 2.90M | } |
3637 | | |
3638 | | |
3639 | | static njs_int_t |
3640 | | njs_parser_exponentiation_expression_match(njs_parser_t *parser, |
3641 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
3642 | 552 | { |
3643 | 552 | njs_parser_node_t *node; |
3644 | | |
3645 | 552 | if (parser->target != NULL) { |
3646 | 276 | parser->target->right = parser->node; |
3647 | 276 | parser->target->right->dest = parser->target; |
3648 | 276 | parser->node = parser->target; |
3649 | | |
3650 | 276 | return njs_parser_stack_pop(parser); |
3651 | 276 | } |
3652 | | |
3653 | 276 | if (token->type != NJS_TOKEN_EXPONENTIATION) { |
3654 | 0 | return njs_parser_stack_pop(parser); |
3655 | 0 | } |
3656 | | |
3657 | 276 | node = njs_parser_node_new(parser, token->type); |
3658 | 276 | if (node == NULL) { |
3659 | 0 | return NJS_ERROR; |
3660 | 0 | } |
3661 | | |
3662 | 276 | node->token_line = token->line; |
3663 | 276 | node->u.operation = NJS_VMCODE_EXPONENTIATION; |
3664 | 276 | node->left = parser->node; |
3665 | 276 | node->left->dest = node; |
3666 | | |
3667 | 276 | njs_lexer_consume_token(parser->lexer, 1); |
3668 | | |
3669 | 276 | njs_parser_next(parser, njs_parser_exponentiation_expression); |
3670 | | |
3671 | 276 | return njs_parser_after(parser, current, node, 1, |
3672 | 276 | njs_parser_exponentiation_expression_match); |
3673 | 276 | } |
3674 | | |
3675 | | |
3676 | | /* |
3677 | | * 12.7 Multiplicative Operators. |
3678 | | */ |
3679 | | static njs_int_t |
3680 | | njs_parser_multiplicative_expression(njs_parser_t *parser, |
3681 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
3682 | 2.87M | { |
3683 | 2.87M | njs_parser_next(parser, njs_parser_exponentiation_expression); |
3684 | | |
3685 | 2.87M | return njs_parser_after(parser, current, NULL, 1, |
3686 | 2.87M | njs_parser_multiplicative_expression_match); |
3687 | 2.87M | } |
3688 | | |
3689 | | |
3690 | | static njs_int_t |
3691 | | njs_parser_multiplicative_expression_match(njs_parser_t *parser, |
3692 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
3693 | 2.84M | { |
3694 | 2.84M | njs_vmcode_t operation; |
3695 | 2.84M | njs_parser_node_t *node; |
3696 | | |
3697 | 2.84M | if (parser->target != NULL) { |
3698 | 28.7k | parser->target->right = parser->node; |
3699 | 28.7k | parser->target->right->dest = parser->target; |
3700 | 28.7k | parser->node = parser->target; |
3701 | 28.7k | } |
3702 | | |
3703 | 2.84M | switch (token->type) { |
3704 | 2.64k | case NJS_TOKEN_MULTIPLICATION: |
3705 | 2.64k | operation = NJS_VMCODE_MULTIPLICATION; |
3706 | 2.64k | break; |
3707 | | |
3708 | 25.5k | case NJS_TOKEN_DIVISION: |
3709 | 25.5k | operation = NJS_VMCODE_DIVISION; |
3710 | 25.5k | break; |
3711 | | |
3712 | 1.41k | case NJS_TOKEN_REMAINDER: |
3713 | 1.41k | operation = NJS_VMCODE_REMAINDER; |
3714 | 1.41k | break; |
3715 | | |
3716 | 2.81M | default: |
3717 | 2.81M | return njs_parser_stack_pop(parser); |
3718 | 2.84M | } |
3719 | | |
3720 | 29.5k | node = njs_parser_node_new(parser, token->type); |
3721 | 29.5k | if (node == NULL) { |
3722 | 0 | return NJS_ERROR; |
3723 | 0 | } |
3724 | | |
3725 | 29.5k | node->token_line = token->line; |
3726 | 29.5k | node->u.operation = operation; |
3727 | 29.5k | node->left = parser->node; |
3728 | 29.5k | node->left->dest = node; |
3729 | | |
3730 | 29.5k | njs_lexer_consume_token(parser->lexer, 1); |
3731 | | |
3732 | 29.5k | njs_parser_next(parser, njs_parser_exponentiation_expression); |
3733 | | |
3734 | 29.5k | return njs_parser_after(parser, current, node, 1, |
3735 | 29.5k | njs_parser_multiplicative_expression_match); |
3736 | 29.5k | } |
3737 | | |
3738 | | |
3739 | | /* |
3740 | | * 12.8 Additive Operators. |
3741 | | */ |
3742 | | static njs_int_t |
3743 | | njs_parser_additive_expression(njs_parser_t *parser, njs_lexer_token_t *token, |
3744 | | njs_queue_link_t *current) |
3745 | 2.84M | { |
3746 | 2.84M | njs_parser_next(parser, njs_parser_multiplicative_expression); |
3747 | | |
3748 | 2.84M | return njs_parser_after(parser, current, NULL, 1, |
3749 | 2.84M | njs_parser_additive_expression_match); |
3750 | 2.84M | } |
3751 | | |
3752 | | |
3753 | | static njs_int_t |
3754 | | njs_parser_additive_expression_match(njs_parser_t *parser, |
3755 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
3756 | 2.81M | { |
3757 | 2.81M | njs_vmcode_t operation; |
3758 | 2.81M | njs_parser_node_t *node; |
3759 | | |
3760 | 2.81M | if (parser->target != NULL) { |
3761 | 32.9k | parser->target->right = parser->node; |
3762 | 32.9k | parser->target->right->dest = parser->target; |
3763 | 32.9k | parser->node = parser->target; |
3764 | 32.9k | } |
3765 | | |
3766 | 2.81M | switch (token->type) { |
3767 | 2.91k | case NJS_TOKEN_ADDITION: |
3768 | 2.91k | operation = NJS_VMCODE_ADDITION; |
3769 | 2.91k | break; |
3770 | | |
3771 | 30.0k | case NJS_TOKEN_SUBTRACTION: |
3772 | 30.0k | operation = NJS_VMCODE_SUBTRACTION; |
3773 | 30.0k | break; |
3774 | | |
3775 | 2.78M | default: |
3776 | 2.78M | return njs_parser_stack_pop(parser); |
3777 | 2.81M | } |
3778 | | |
3779 | 32.9k | node = njs_parser_node_new(parser, token->type); |
3780 | 32.9k | if (node == NULL) { |
3781 | 0 | return NJS_ERROR; |
3782 | 0 | } |
3783 | | |
3784 | 32.9k | node->token_line = token->line; |
3785 | 32.9k | node->u.operation = operation; |
3786 | 32.9k | node->left = parser->node; |
3787 | 32.9k | node->left->dest = node; |
3788 | | |
3789 | 32.9k | njs_lexer_consume_token(parser->lexer, 1); |
3790 | | |
3791 | 32.9k | njs_parser_next(parser, njs_parser_multiplicative_expression); |
3792 | | |
3793 | 32.9k | return njs_parser_after(parser, current, node, 1, |
3794 | 32.9k | njs_parser_additive_expression_match); |
3795 | 32.9k | } |
3796 | | |
3797 | | |
3798 | | /* |
3799 | | * 12.9 Bitwise Shift Operators |
3800 | | */ |
3801 | | static njs_int_t |
3802 | | njs_parser_shift_expression(njs_parser_t *parser, njs_lexer_token_t *token, |
3803 | | njs_queue_link_t *current) |
3804 | 2.84M | { |
3805 | 2.84M | njs_parser_next(parser, njs_parser_additive_expression); |
3806 | | |
3807 | 2.84M | return njs_parser_after(parser, current, NULL, 1, |
3808 | 2.84M | njs_parser_shift_expression_match); |
3809 | 2.84M | } |
3810 | | |
3811 | | |
3812 | | static njs_int_t |
3813 | | njs_parser_shift_expression_match(njs_parser_t *parser, |
3814 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
3815 | 2.78M | { |
3816 | 2.78M | njs_vmcode_t operation; |
3817 | 2.78M | njs_parser_node_t *node; |
3818 | | |
3819 | 2.78M | if (parser->target != NULL) { |
3820 | 428 | parser->target->right = parser->node; |
3821 | 428 | parser->target->right->dest = parser->target; |
3822 | 428 | parser->node = parser->target; |
3823 | 428 | } |
3824 | | |
3825 | 2.78M | switch (token->type) { |
3826 | 5 | case NJS_TOKEN_RIGHT_SHIFT: |
3827 | 5 | operation = NJS_VMCODE_RIGHT_SHIFT; |
3828 | 5 | break; |
3829 | | |
3830 | 0 | case NJS_TOKEN_LEFT_SHIFT: |
3831 | 0 | operation = NJS_VMCODE_LEFT_SHIFT; |
3832 | 0 | break; |
3833 | | |
3834 | 423 | case NJS_TOKEN_UNSIGNED_RIGHT_SHIFT: |
3835 | 423 | operation = NJS_VMCODE_UNSIGNED_RIGHT_SHIFT; |
3836 | 423 | break; |
3837 | | |
3838 | 2.78M | default: |
3839 | 2.78M | return njs_parser_stack_pop(parser); |
3840 | 2.78M | } |
3841 | | |
3842 | 428 | node = njs_parser_node_new(parser, token->type); |
3843 | 428 | if (node == NULL) { |
3844 | 0 | return NJS_ERROR; |
3845 | 0 | } |
3846 | | |
3847 | 428 | node->token_line = token->line; |
3848 | 428 | node->u.operation = operation; |
3849 | 428 | node->left = parser->node; |
3850 | 428 | node->left->dest = node; |
3851 | | |
3852 | 428 | njs_lexer_consume_token(parser->lexer, 1); |
3853 | | |
3854 | 428 | njs_parser_next(parser, njs_parser_additive_expression); |
3855 | | |
3856 | 428 | return njs_parser_after(parser, current, node, 1, |
3857 | 428 | njs_parser_shift_expression_match); |
3858 | 428 | } |
3859 | | |
3860 | | |
3861 | | /* |
3862 | | * 12.10 Relational Operators. |
3863 | | */ |
3864 | | static njs_int_t |
3865 | | njs_parser_relational_expression(njs_parser_t *parser, |
3866 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
3867 | 2.84M | { |
3868 | 2.84M | njs_parser_next(parser, njs_parser_shift_expression); |
3869 | | |
3870 | 2.84M | return njs_parser_after(parser, current, NULL, 1, |
3871 | 2.84M | njs_parser_relational_expression_match); |
3872 | 2.84M | } |
3873 | | |
3874 | | |
3875 | | static njs_int_t |
3876 | | njs_parser_relational_expression_match(njs_parser_t *parser, |
3877 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
3878 | 2.78M | { |
3879 | 2.78M | njs_vmcode_t operation; |
3880 | 2.78M | njs_parser_node_t *node; |
3881 | | |
3882 | 2.78M | if (parser->target != NULL) { |
3883 | 2.11k | parser->target->right = parser->node; |
3884 | 2.11k | parser->target->right->dest = parser->target; |
3885 | 2.11k | parser->node = parser->target; |
3886 | 2.11k | } |
3887 | | |
3888 | 2.78M | switch (token->type) { |
3889 | 2.12k | case NJS_TOKEN_LESS: |
3890 | 2.12k | operation = NJS_VMCODE_LESS; |
3891 | 2.12k | break; |
3892 | | |
3893 | 54 | case NJS_TOKEN_GREATER: |
3894 | 54 | operation = NJS_VMCODE_GREATER; |
3895 | 54 | break; |
3896 | | |
3897 | 17 | case NJS_TOKEN_LESS_OR_EQUAL: |
3898 | 17 | operation = NJS_VMCODE_LESS_OR_EQUAL; |
3899 | 17 | break; |
3900 | | |
3901 | 2 | case NJS_TOKEN_GREATER_OR_EQUAL: |
3902 | 2 | operation = NJS_VMCODE_GREATER_OR_EQUAL; |
3903 | 2 | break; |
3904 | | |
3905 | 0 | case NJS_TOKEN_INSTANCEOF: |
3906 | 0 | operation = NJS_VMCODE_INSTANCE_OF; |
3907 | 0 | break; |
3908 | | |
3909 | 592 | case NJS_TOKEN_IN: |
3910 | 592 | if (njs_lexer_in_fail_get(parser->lexer)) { |
3911 | 0 | njs_parser_syntax_error(parser, "Invalid left-hand side in for-loop"); |
3912 | 0 | return NJS_ERROR; |
3913 | 0 | } |
3914 | 592 | operation = NJS_VMCODE_PROPERTY_IN; |
3915 | 592 | break; |
3916 | | |
3917 | 2.78M | default: |
3918 | 2.78M | return njs_parser_stack_pop(parser); |
3919 | 2.78M | } |
3920 | | |
3921 | 2.79k | node = njs_parser_node_new(parser, token->type); |
3922 | 2.79k | if (node == NULL) { |
3923 | 0 | return NJS_ERROR; |
3924 | 0 | } |
3925 | | |
3926 | 2.79k | node->token_line = token->line; |
3927 | 2.79k | node->u.operation = operation; |
3928 | 2.79k | node->left = parser->node; |
3929 | 2.79k | node->left->dest = node; |
3930 | | |
3931 | 2.79k | njs_lexer_consume_token(parser->lexer, 1); |
3932 | | |
3933 | 2.79k | njs_parser_next(parser, njs_parser_shift_expression); |
3934 | | |
3935 | 2.79k | return njs_parser_after(parser, current, node, 1, |
3936 | 2.79k | njs_parser_relational_expression_match); |
3937 | 2.79k | } |
3938 | | |
3939 | | |
3940 | | /* |
3941 | | * 12.11 Equality Operators. |
3942 | | */ |
3943 | | static njs_int_t |
3944 | | njs_parser_equality_expression(njs_parser_t *parser, njs_lexer_token_t *token, |
3945 | | njs_queue_link_t *current) |
3946 | 2.82M | { |
3947 | 2.82M | njs_parser_next(parser, njs_parser_relational_expression); |
3948 | | |
3949 | 2.82M | return njs_parser_after(parser, current, NULL, 1, |
3950 | 2.82M | njs_parser_equality_expression_match); |
3951 | 2.82M | } |
3952 | | |
3953 | | |
3954 | | static njs_int_t |
3955 | | njs_parser_equality_expression_match(njs_parser_t *parser, |
3956 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
3957 | 2.78M | { |
3958 | 2.78M | njs_vmcode_t operation; |
3959 | 2.78M | njs_parser_node_t *node; |
3960 | | |
3961 | 2.78M | if (parser->target != NULL) { |
3962 | 16.0k | parser->target->right = parser->node; |
3963 | 16.0k | parser->target->right->dest = parser->target; |
3964 | 16.0k | parser->node = parser->target; |
3965 | 16.0k | } |
3966 | | |
3967 | 2.78M | switch (token->type) { |
3968 | 1.07k | case NJS_TOKEN_EQUAL: |
3969 | 1.07k | operation = NJS_VMCODE_EQUAL; |
3970 | 1.07k | break; |
3971 | | |
3972 | 14.7k | case NJS_TOKEN_NOT_EQUAL: |
3973 | 14.7k | operation = NJS_VMCODE_NOT_EQUAL; |
3974 | 14.7k | break; |
3975 | | |
3976 | 244 | case NJS_TOKEN_STRICT_EQUAL: |
3977 | 244 | operation = NJS_VMCODE_STRICT_EQUAL; |
3978 | 244 | break; |
3979 | | |
3980 | 4 | case NJS_TOKEN_STRICT_NOT_EQUAL: |
3981 | 4 | operation = NJS_VMCODE_STRICT_NOT_EQUAL; |
3982 | 4 | break; |
3983 | | |
3984 | 2.76M | default: |
3985 | 2.76M | return njs_parser_stack_pop(parser); |
3986 | 2.78M | } |
3987 | | |
3988 | 16.0k | node = njs_parser_node_new(parser, token->type); |
3989 | 16.0k | if (node == NULL) { |
3990 | 0 | return NJS_ERROR; |
3991 | 0 | } |
3992 | | |
3993 | 16.0k | node->token_line = token->line; |
3994 | 16.0k | node->u.operation = operation; |
3995 | 16.0k | node->left = parser->node; |
3996 | 16.0k | node->left->dest = node; |
3997 | | |
3998 | 16.0k | njs_lexer_consume_token(parser->lexer, 1); |
3999 | | |
4000 | 16.0k | njs_parser_next(parser, njs_parser_relational_expression); |
4001 | | |
4002 | 16.0k | return njs_parser_after(parser, current, node, 1, |
4003 | 16.0k | njs_parser_equality_expression_match); |
4004 | 16.0k | } |
4005 | | |
4006 | | |
4007 | | /* |
4008 | | * 12.12 Binary Bitwise Operators. |
4009 | | */ |
4010 | | static njs_int_t |
4011 | | njs_parser_bitwise_AND_expression(njs_parser_t *parser, |
4012 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
4013 | 2.82M | { |
4014 | 2.82M | njs_parser_next(parser, njs_parser_equality_expression); |
4015 | | |
4016 | 2.82M | return njs_parser_after(parser, current, NULL, 1, |
4017 | 2.82M | njs_parser_bitwise_AND_expression_and); |
4018 | 2.82M | } |
4019 | | |
4020 | | |
4021 | | static njs_int_t |
4022 | | njs_parser_bitwise_AND_expression_and(njs_parser_t *parser, |
4023 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
4024 | 2.76M | { |
4025 | 2.76M | njs_parser_next(parser, njs_parser_equality_expression); |
4026 | | |
4027 | 2.76M | return njs_parser_expression_node(parser, token, current, |
4028 | 2.76M | NJS_TOKEN_BITWISE_AND, |
4029 | 2.76M | NJS_VMCODE_BITWISE_AND, |
4030 | 2.76M | njs_parser_bitwise_AND_expression_and); |
4031 | 2.76M | } |
4032 | | |
4033 | | |
4034 | | static njs_int_t |
4035 | | njs_parser_bitwise_XOR_expression(njs_parser_t *parser, |
4036 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
4037 | 2.81M | { |
4038 | 2.81M | njs_parser_next(parser, njs_parser_bitwise_AND_expression); |
4039 | | |
4040 | 2.81M | return njs_parser_after(parser, current, NULL, 1, |
4041 | 2.81M | njs_parser_bitwise_XOR_expression_xor); |
4042 | 2.81M | } |
4043 | | |
4044 | | |
4045 | | static njs_int_t |
4046 | | njs_parser_bitwise_XOR_expression_xor(njs_parser_t *parser, |
4047 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
4048 | 2.75M | { |
4049 | 2.75M | njs_parser_next(parser, njs_parser_bitwise_AND_expression); |
4050 | | |
4051 | 2.75M | return njs_parser_expression_node(parser, token, current, |
4052 | 2.75M | NJS_TOKEN_BITWISE_XOR, |
4053 | 2.75M | NJS_VMCODE_BITWISE_XOR, |
4054 | 2.75M | njs_parser_bitwise_XOR_expression_xor); |
4055 | 2.75M | } |
4056 | | |
4057 | | |
4058 | | static njs_int_t |
4059 | | njs_parser_bitwise_OR_expression(njs_parser_t *parser, |
4060 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
4061 | 2.79M | { |
4062 | 2.79M | njs_parser_next(parser, njs_parser_bitwise_XOR_expression); |
4063 | | |
4064 | 2.79M | return njs_parser_after(parser, current, NULL, 1, |
4065 | 2.79M | njs_parser_bitwise_OR_expression_or); |
4066 | 2.79M | } |
4067 | | |
4068 | | |
4069 | | static njs_int_t |
4070 | | njs_parser_bitwise_OR_expression_or(njs_parser_t *parser, |
4071 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
4072 | 2.75M | { |
4073 | 2.75M | njs_parser_next(parser, njs_parser_bitwise_XOR_expression); |
4074 | | |
4075 | 2.75M | return njs_parser_expression_node(parser, token, current, |
4076 | 2.75M | NJS_TOKEN_BITWISE_OR, |
4077 | 2.75M | NJS_VMCODE_BITWISE_OR, |
4078 | 2.75M | njs_parser_bitwise_OR_expression_or); |
4079 | 2.75M | } |
4080 | | |
4081 | | |
4082 | | /* |
4083 | | * 12.13 Binary Logical Operators. |
4084 | | */ |
4085 | | static njs_int_t |
4086 | | njs_parser_logical_AND_expression(njs_parser_t *parser, |
4087 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
4088 | 2.79M | { |
4089 | 2.79M | njs_parser_next(parser, njs_parser_bitwise_OR_expression); |
4090 | | |
4091 | 2.79M | return njs_parser_after(parser, current, NULL, 1, |
4092 | 2.79M | njs_parser_logical_AND_expression_and); |
4093 | 2.79M | } |
4094 | | |
4095 | | |
4096 | | static njs_int_t |
4097 | | njs_parser_logical_AND_expression_and(njs_parser_t *parser, |
4098 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
4099 | 2.73M | { |
4100 | 2.73M | njs_parser_next(parser, njs_parser_bitwise_OR_expression); |
4101 | | |
4102 | 2.73M | return njs_parser_expression_node(parser, token, current, |
4103 | 2.73M | NJS_TOKEN_LOGICAL_AND, |
4104 | 2.73M | NJS_VMCODE_TEST_IF_FALSE, |
4105 | 2.73M | njs_parser_logical_AND_expression_and); |
4106 | 2.73M | } |
4107 | | |
4108 | | |
4109 | | static njs_int_t |
4110 | | njs_parser_logical_OR_expression(njs_parser_t *parser, |
4111 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
4112 | 2.79M | { |
4113 | 2.79M | njs_parser_next(parser, njs_parser_logical_AND_expression); |
4114 | | |
4115 | 2.79M | return njs_parser_after(parser, current, NULL, 1, |
4116 | 2.79M | njs_parser_logical_OR_expression_or); |
4117 | 2.79M | } |
4118 | | |
4119 | | |
4120 | | static njs_int_t |
4121 | | njs_parser_logical_OR_expression_or(njs_parser_t *parser, |
4122 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
4123 | 2.73M | { |
4124 | 2.73M | njs_parser_next(parser, njs_parser_logical_AND_expression); |
4125 | | |
4126 | 2.73M | return njs_parser_expression_node(parser, token, current, |
4127 | 2.73M | NJS_TOKEN_LOGICAL_OR, |
4128 | 2.73M | NJS_VMCODE_TEST_IF_TRUE, |
4129 | 2.73M | njs_parser_logical_OR_expression_or); |
4130 | 2.73M | } |
4131 | | |
4132 | | |
4133 | | static njs_int_t |
4134 | | njs_parser_coalesce_expression(njs_parser_t *parser, njs_lexer_token_t *token, |
4135 | | njs_queue_link_t *current) |
4136 | 2.73M | { |
4137 | 2.73M | njs_token_type_t type; |
4138 | 2.73M | njs_parser_node_t *node; |
4139 | | |
4140 | 2.73M | node = parser->node; |
4141 | | |
4142 | 2.73M | if (parser->target != NULL) { |
4143 | 125 | parser->target->right = node; |
4144 | 125 | parser->target->right->dest = parser->target; |
4145 | 125 | parser->node = parser->target; |
4146 | 125 | } |
4147 | | |
4148 | 2.73M | if (token->type != NJS_TOKEN_COALESCE) { |
4149 | 2.73M | return njs_parser_stack_pop(parser); |
4150 | 2.73M | } |
4151 | | |
4152 | 125 | type = node->token_type; |
4153 | | |
4154 | 125 | if (parser->lexer->prev_type != NJS_TOKEN_CLOSE_PARENTHESIS |
4155 | 125 | && (type == NJS_TOKEN_LOGICAL_OR || type == NJS_TOKEN_LOGICAL_AND)) |
4156 | 0 | { |
4157 | 0 | return njs_parser_failed(parser); |
4158 | 0 | } |
4159 | | |
4160 | 125 | node = njs_parser_node_new(parser, NJS_TOKEN_COALESCE); |
4161 | 125 | if (node == NULL) { |
4162 | 0 | return NJS_ERROR; |
4163 | 0 | } |
4164 | | |
4165 | 125 | node->token_line = token->line; |
4166 | 125 | node->u.operation = NJS_VMCODE_COALESCE; |
4167 | 125 | node->left = parser->node; |
4168 | 125 | node->left->dest = node; |
4169 | | |
4170 | 125 | njs_lexer_consume_token(parser->lexer, 1); |
4171 | 125 | njs_parser_next(parser, njs_parser_bitwise_OR_expression); |
4172 | | |
4173 | 125 | return njs_parser_after(parser, current, node, 1, |
4174 | 125 | njs_parser_coalesce_expression); |
4175 | 125 | } |
4176 | | |
4177 | | |
4178 | | static njs_int_t |
4179 | | njs_parser_short_circuit_expression(njs_parser_t *parser, |
4180 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
4181 | 2.79M | { |
4182 | 2.79M | njs_parser_next(parser, njs_parser_logical_OR_expression); |
4183 | | |
4184 | 2.79M | return njs_parser_after(parser, current, NULL, 1, |
4185 | 2.79M | njs_parser_coalesce_expression); |
4186 | 2.79M | } |
4187 | | |
4188 | | |
4189 | | /* |
4190 | | * 12.14 Conditional Operator ( ? : ). |
4191 | | */ |
4192 | | static njs_int_t |
4193 | | njs_parser_conditional_expression(njs_parser_t *parser, |
4194 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
4195 | 2.79M | { |
4196 | 2.79M | njs_parser_next(parser, njs_parser_short_circuit_expression); |
4197 | | |
4198 | 2.79M | return njs_parser_after(parser, current, NULL, 1, |
4199 | 2.79M | njs_parser_conditional_question_mark); |
4200 | 2.79M | } |
4201 | | |
4202 | | |
4203 | | static njs_int_t |
4204 | | njs_parser_conditional_question_mark(njs_parser_t *parser, |
4205 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
4206 | 2.73M | { |
4207 | 2.73M | njs_parser_node_t *node, *cond; |
4208 | | |
4209 | 2.73M | if (token->type != NJS_TOKEN_CONDITIONAL) { |
4210 | 2.73M | return njs_parser_stack_pop(parser); |
4211 | 2.73M | } |
4212 | | |
4213 | 1.88k | cond = njs_parser_node_new(parser, NJS_TOKEN_CONDITIONAL); |
4214 | 1.88k | if (cond == NULL) { |
4215 | 0 | return NJS_ERROR; |
4216 | 0 | } |
4217 | | |
4218 | 1.88k | cond->token_line = token->line; |
4219 | 1.88k | cond->left = parser->node; |
4220 | | |
4221 | 1.88k | node = njs_parser_node_new(parser, NJS_TOKEN_BRANCHING); |
4222 | 1.88k | if (node == NULL) { |
4223 | 0 | return NJS_ERROR; |
4224 | 0 | } |
4225 | | |
4226 | 1.88k | node->token_line = token->line; |
4227 | 1.88k | cond->right = node; |
4228 | | |
4229 | 1.88k | njs_lexer_consume_token(parser->lexer, 1); |
4230 | | |
4231 | 1.88k | if (njs_lexer_in_stack_push(parser->lexer) != NJS_OK) { |
4232 | 0 | return NJS_ERROR; |
4233 | 0 | } |
4234 | | |
4235 | 1.88k | njs_parser_next(parser, njs_parser_assignment_expression); |
4236 | | |
4237 | 1.88k | return njs_parser_after(parser, current, cond, 1, |
4238 | 1.88k | njs_parser_conditional_colon); |
4239 | 1.88k | } |
4240 | | |
4241 | | |
4242 | | static njs_int_t |
4243 | | njs_parser_conditional_colon(njs_parser_t *parser, njs_lexer_token_t *token, |
4244 | | njs_queue_link_t *current) |
4245 | 1.27k | { |
4246 | 1.27k | njs_parser_node_t *node; |
4247 | | |
4248 | 1.27k | if (token->type != NJS_TOKEN_COLON) { |
4249 | 1 | return njs_parser_failed(parser); |
4250 | 1 | } |
4251 | | |
4252 | 1.27k | njs_lexer_in_stack_pop(parser->lexer); |
4253 | | |
4254 | 1.27k | njs_lexer_consume_token(parser->lexer, 1); |
4255 | | |
4256 | 1.27k | node = parser->target->right; |
4257 | | |
4258 | 1.27k | node->left = parser->node; |
4259 | 1.27k | node->left->dest = parser->target; |
4260 | | |
4261 | 1.27k | njs_parser_next(parser, njs_parser_assignment_expression); |
4262 | | |
4263 | 1.27k | return njs_parser_after(parser, current, parser->target, 1, |
4264 | 1.27k | njs_parser_conditional_colon_after); |
4265 | 1.27k | } |
4266 | | |
4267 | | |
4268 | | static njs_int_t |
4269 | | njs_parser_conditional_colon_after(njs_parser_t *parser, |
4270 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
4271 | 1.27k | { |
4272 | 1.27k | njs_parser_node_t *node; |
4273 | | |
4274 | 1.27k | node = parser->target->right; |
4275 | | |
4276 | 1.27k | node->right = parser->node; |
4277 | 1.27k | node->right->dest = parser->target; |
4278 | | |
4279 | 1.27k | parser->node = parser->target; |
4280 | | |
4281 | 1.27k | return njs_parser_stack_pop(parser); |
4282 | 1.27k | } |
4283 | | |
4284 | | |
4285 | | /* |
4286 | | * 12.15 Assignment Operators. |
4287 | | */ |
4288 | | static njs_int_t |
4289 | | njs_parser_assignment_expression(njs_parser_t *parser, |
4290 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
4291 | 2.82M | { |
4292 | 2.82M | njs_int_t ret; |
4293 | | |
4294 | 2.82M | if (!parser->use_lhs) { |
4295 | 2.81M | ret = njs_parser_match_arrow_expression(parser, token); |
4296 | 2.81M | if (ret == NJS_OK) { |
4297 | 26.1k | njs_parser_next(parser, njs_parser_arrow_function); |
4298 | | |
4299 | 26.1k | return NJS_OK; |
4300 | | |
4301 | 2.79M | } else if (ret == NJS_ERROR) { |
4302 | 0 | return NJS_ERROR; |
4303 | 0 | } |
4304 | 2.81M | } |
4305 | | |
4306 | 2.79M | njs_parser_next(parser, njs_parser_conditional_expression); |
4307 | | |
4308 | 2.79M | return njs_parser_after(parser, current, NULL, 1, |
4309 | 2.82M | njs_parser_assignment_expression_after); |
4310 | 2.82M | } |
4311 | | |
4312 | | |
4313 | | /* |
4314 | | * TODO: this function is a crutch. |
4315 | | * See NJS_TOKEN_OPEN_PARENTHESIS in njs_parser_primary_expression_test. |
4316 | | * and look CoverParenthesizedExpressionAndArrowParameterList in spec. |
4317 | | */ |
4318 | | static njs_int_t |
4319 | | njs_parser_match_arrow_expression(njs_parser_t *parser, |
4320 | | njs_lexer_token_t *token) |
4321 | 2.82M | { |
4322 | 2.82M | njs_bool_t rest_parameters; |
4323 | | |
4324 | 2.82M | if (token->type == NJS_TOKEN_ASYNC) { |
4325 | 4.87k | token = njs_lexer_peek_token(parser->lexer, token, 1); |
4326 | 4.87k | if (token == NULL) { |
4327 | 0 | return NJS_ERROR; |
4328 | 0 | } |
4329 | 4.87k | } |
4330 | | |
4331 | 2.82M | if (token->type != NJS_TOKEN_OPEN_PARENTHESIS |
4332 | 2.82M | && !njs_lexer_token_is_binding_identifier(token)) |
4333 | 2.11M | { |
4334 | 2.11M | return NJS_DECLINED; |
4335 | 2.11M | } |
4336 | | |
4337 | 708k | if (njs_lexer_token_is_binding_identifier(token)) { |
4338 | 667k | goto arrow; |
4339 | 667k | } |
4340 | | |
4341 | 41.3k | token = njs_lexer_peek_token(parser->lexer, token, 0); |
4342 | 41.3k | if (token == NULL) { |
4343 | 0 | return NJS_ERROR; |
4344 | 0 | } |
4345 | | |
4346 | 41.3k | rest_parameters = 0; |
4347 | | |
4348 | 47.1k | while (token->type != NJS_TOKEN_CLOSE_PARENTHESIS) { |
4349 | | |
4350 | 43.7k | if (rest_parameters) { |
4351 | 0 | return NJS_DECLINED; |
4352 | 0 | } |
4353 | | |
4354 | 43.7k | if (token->type == NJS_TOKEN_ELLIPSIS) { |
4355 | 2 | rest_parameters = 1; |
4356 | | |
4357 | 2 | token = njs_lexer_peek_token(parser->lexer, token, 0); |
4358 | 2 | if (token == NULL) { |
4359 | 0 | return NJS_ERROR; |
4360 | 0 | } |
4361 | 2 | } |
4362 | | |
4363 | 43.7k | if (!njs_lexer_token_is_binding_identifier(token)) { |
4364 | 37.9k | return NJS_DECLINED; |
4365 | 37.9k | } |
4366 | | |
4367 | 5.81k | token = njs_lexer_peek_token(parser->lexer, token, 0); |
4368 | 5.81k | if (token == NULL) { |
4369 | 0 | return NJS_ERROR; |
4370 | 0 | } |
4371 | | |
4372 | 5.81k | if (token->type == NJS_TOKEN_COMMA) { |
4373 | 1 | token = njs_lexer_peek_token(parser->lexer, token, 0); |
4374 | 1 | if (token == NULL) { |
4375 | 0 | return NJS_ERROR; |
4376 | 0 | } |
4377 | 1 | } |
4378 | 5.81k | } |
4379 | | |
4380 | 670k | arrow: |
4381 | | |
4382 | 670k | token = njs_lexer_peek_token(parser->lexer, token, 1); |
4383 | 670k | if (token == NULL) { |
4384 | 0 | return NJS_ERROR; |
4385 | 0 | } |
4386 | | |
4387 | 670k | if (token->type == NJS_TOKEN_LINE_END) { |
4388 | 232k | return NJS_DECLINED; |
4389 | 232k | } |
4390 | | |
4391 | 437k | if (token->type != NJS_TOKEN_ARROW) { |
4392 | 411k | return NJS_DECLINED; |
4393 | 411k | } |
4394 | | |
4395 | 26.1k | return NJS_OK; |
4396 | 437k | } |
4397 | | |
4398 | | |
4399 | | static njs_int_t |
4400 | | njs_parser_assignment_expression_after(njs_parser_t *parser, |
4401 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
4402 | 2.73M | { |
4403 | 2.73M | return njs_parser_assignment_operator(parser, token, current); |
4404 | 2.73M | } |
4405 | | |
4406 | | |
4407 | | static njs_int_t |
4408 | | njs_parser_assignment_operator(njs_parser_t *parser, njs_lexer_token_t *token, |
4409 | | njs_queue_link_t *current) |
4410 | 2.73M | { |
4411 | 2.73M | njs_vmcode_t operation; |
4412 | 2.73M | njs_token_type_t type; |
4413 | 2.73M | njs_parser_node_t *node; |
4414 | | |
4415 | 2.73M | switch (token->type) { |
4416 | 120k | case NJS_TOKEN_ASSIGNMENT: |
4417 | 120k | njs_thread_log_debug("JS: ="); |
4418 | 120k | operation = NJS_VMCODE_MOVE; |
4419 | 120k | break; |
4420 | | |
4421 | 3.89k | case NJS_TOKEN_MULTIPLICATION_ASSIGNMENT: |
4422 | 3.89k | njs_thread_log_debug("JS: *="); |
4423 | 3.89k | operation = NJS_VMCODE_MULTIPLICATION; |
4424 | 3.89k | break; |
4425 | | |
4426 | 115 | case NJS_TOKEN_DIVISION_ASSIGNMENT: |
4427 | 115 | njs_thread_log_debug("JS: /="); |
4428 | 115 | operation = NJS_VMCODE_DIVISION; |
4429 | 115 | break; |
4430 | | |
4431 | 1.48k | case NJS_TOKEN_REMAINDER_ASSIGNMENT: |
4432 | 1.48k | njs_thread_log_debug("JS: %="); |
4433 | 1.48k | operation = NJS_VMCODE_REMAINDER; |
4434 | 1.48k | break; |
4435 | | |
4436 | 7.55k | case NJS_TOKEN_ADDITION_ASSIGNMENT: |
4437 | 7.55k | njs_thread_log_debug("JS: +="); |
4438 | 7.55k | operation = NJS_VMCODE_ADDITION; |
4439 | 7.55k | break; |
4440 | | |
4441 | 6.01k | case NJS_TOKEN_SUBTRACTION_ASSIGNMENT: |
4442 | 6.01k | njs_thread_log_debug("JS: -="); |
4443 | 6.01k | operation = NJS_VMCODE_SUBTRACTION; |
4444 | 6.01k | break; |
4445 | | |
4446 | 0 | case NJS_TOKEN_LEFT_SHIFT_ASSIGNMENT: |
4447 | 0 | njs_thread_log_debug("JS: <<="); |
4448 | 0 | operation = NJS_VMCODE_LEFT_SHIFT; |
4449 | 0 | break; |
4450 | | |
4451 | 916 | case NJS_TOKEN_RIGHT_SHIFT_ASSIGNMENT: |
4452 | 916 | njs_thread_log_debug("JS: >>="); |
4453 | 916 | operation = NJS_VMCODE_RIGHT_SHIFT; |
4454 | 916 | break; |
4455 | | |
4456 | 26 | case NJS_TOKEN_UNSIGNED_RIGHT_SHIFT_ASSIGNMENT: |
4457 | 26 | njs_thread_log_debug("JS: >>>="); |
4458 | 26 | operation = NJS_VMCODE_UNSIGNED_RIGHT_SHIFT; |
4459 | 26 | break; |
4460 | | |
4461 | 118 | case NJS_TOKEN_BITWISE_AND_ASSIGNMENT: |
4462 | 118 | njs_thread_log_debug("JS: &="); |
4463 | 118 | operation = NJS_VMCODE_BITWISE_AND; |
4464 | 118 | break; |
4465 | | |
4466 | 0 | case NJS_TOKEN_BITWISE_XOR_ASSIGNMENT: |
4467 | 0 | njs_thread_log_debug("JS: ^="); |
4468 | 0 | operation = NJS_VMCODE_BITWISE_XOR; |
4469 | 0 | break; |
4470 | | |
4471 | 6.84k | case NJS_TOKEN_BITWISE_OR_ASSIGNMENT: |
4472 | 6.84k | njs_thread_log_debug("JS: |="); |
4473 | 6.84k | operation = NJS_VMCODE_BITWISE_OR; |
4474 | 6.84k | break; |
4475 | | |
4476 | 0 | case NJS_TOKEN_EXPONENTIATION_ASSIGNMENT: |
4477 | 0 | njs_thread_log_debug("JS: **="); |
4478 | 0 | operation = NJS_VMCODE_EXPONENTIATION; |
4479 | 0 | break; |
4480 | | |
4481 | 2.58M | default: |
4482 | 2.58M | return njs_parser_stack_pop(parser); |
4483 | 2.73M | } |
4484 | | |
4485 | 147k | if (!njs_parser_is_lvalue(parser->node)) { |
4486 | 0 | type = parser->node->token_type; |
4487 | |
|
4488 | 0 | if (njs_parser_restricted_identifier(type)) { |
4489 | 0 | njs_parser_syntax_error(parser, "Identifier \"%s\" " |
4490 | 0 | "is forbidden as left-hand in assignment", |
4491 | 0 | (type == NJS_TOKEN_EVAL) ? "eval" |
4492 | 0 | : "arguments"); |
4493 | |
|
4494 | 0 | } else { |
4495 | 0 | njs_parser_ref_error(parser, |
4496 | 0 | "Invalid left-hand side in assignment"); |
4497 | 0 | } |
4498 | |
|
4499 | 0 | return NJS_DONE; |
4500 | 0 | } |
4501 | | |
4502 | 147k | node = njs_parser_node_new(parser, token->type); |
4503 | 147k | if (node == NULL) { |
4504 | 0 | return NJS_ERROR; |
4505 | 0 | } |
4506 | | |
4507 | 147k | node->token_line = token->line; |
4508 | 147k | node->u.operation = operation; |
4509 | 147k | node->left = parser->node; |
4510 | | |
4511 | 147k | njs_lexer_consume_token(parser->lexer, 1); |
4512 | 147k | njs_parser_next(parser, njs_parser_assignment_expression); |
4513 | | |
4514 | 147k | return njs_parser_after(parser, current, node, 1, |
4515 | 147k | njs_parser_assignment_operator_after); |
4516 | 147k | } |
4517 | | |
4518 | | |
4519 | | static njs_int_t |
4520 | | njs_parser_assignment_operator_after(njs_parser_t *parser, |
4521 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
4522 | 145k | { |
4523 | 145k | parser->target->right = parser->node; |
4524 | 145k | parser->node = parser->target; |
4525 | | |
4526 | 145k | return njs_parser_stack_pop(parser); |
4527 | 145k | } |
4528 | | |
4529 | | |
4530 | | /* |
4531 | | * 12.16 Comma Operator ( , ). |
4532 | | */ |
4533 | | static njs_int_t |
4534 | | njs_parser_expression(njs_parser_t *parser, njs_lexer_token_t *token, |
4535 | | njs_queue_link_t *current) |
4536 | 590k | { |
4537 | 590k | njs_parser_next(parser, njs_parser_assignment_expression); |
4538 | | |
4539 | 590k | return njs_parser_after(parser, current, NULL, 1, |
4540 | 590k | njs_parser_expression_comma); |
4541 | 590k | } |
4542 | | |
4543 | | |
4544 | | static njs_int_t |
4545 | | njs_parser_expression_comma(njs_parser_t *parser, njs_lexer_token_t *token, |
4546 | | njs_queue_link_t *current) |
4547 | 539k | { |
4548 | 539k | njs_parser_next(parser, njs_parser_assignment_expression); |
4549 | | |
4550 | 539k | return njs_parser_expression_node(parser, token, current, NJS_TOKEN_COMMA, |
4551 | 539k | 0, |
4552 | 539k | njs_parser_expression_comma); |
4553 | 539k | } |
4554 | | |
4555 | | |
4556 | | /* |
4557 | | * 13 Statements and Declarations. |
4558 | | */ |
4559 | | static njs_int_t |
4560 | | njs_parser_statement(njs_parser_t *parser, njs_lexer_token_t *token, |
4561 | | njs_queue_link_t *current) |
4562 | 490k | { |
4563 | 490k | njs_int_t ret; |
4564 | 490k | njs_queue_link_t *lnk; |
4565 | 490k | njs_parser_stack_entry_t *entry; |
4566 | | |
4567 | 490k | if (token->type == NJS_TOKEN_END) { |
4568 | 3.66k | lnk = njs_queue_next(njs_queue_first(&parser->stack)); |
4569 | | |
4570 | 3.66k | if (lnk == njs_queue_head(&parser->stack)) { |
4571 | 0 | return njs_parser_reject(parser); |
4572 | 0 | } |
4573 | | |
4574 | 3.66k | entry = njs_queue_link_data(lnk, njs_parser_stack_entry_t, link); |
4575 | | |
4576 | 3.66k | if (entry->state == njs_parser_check_error_state) { |
4577 | 3.65k | return NJS_DONE; |
4578 | 3.65k | } |
4579 | | |
4580 | 11 | return njs_parser_reject(parser); |
4581 | 3.66k | } |
4582 | | |
4583 | 486k | switch (token->type) { |
4584 | 12.3k | case NJS_TOKEN_SEMICOLON: |
4585 | 12.3k | njs_lexer_consume_token(parser->lexer, 1); |
4586 | 12.3k | return njs_parser_stack_pop(parser); |
4587 | | |
4588 | 0 | case NJS_TOKEN_EXPORT: |
4589 | 0 | parser->line = token->line; |
4590 | |
|
4591 | 0 | njs_lexer_consume_token(parser->lexer, 1); |
4592 | 0 | njs_parser_next(parser, njs_parser_export); |
4593 | |
|
4594 | 0 | return njs_parser_after(parser, current, parser->node, 1, |
4595 | 0 | njs_parser_statement_after); |
4596 | | |
4597 | 0 | case NJS_TOKEN_IMPORT: |
4598 | 0 | parser->line = token->line; |
4599 | |
|
4600 | 0 | njs_lexer_consume_token(parser->lexer, 1); |
4601 | 0 | njs_parser_next(parser, njs_parser_import); |
4602 | |
|
4603 | 0 | return njs_parser_after(parser, current, parser->node, 1, |
4604 | 0 | njs_parser_statement_after); |
4605 | 474k | default: |
4606 | 474k | break; |
4607 | 486k | } |
4608 | | |
4609 | 474k | ret = njs_parser_statement_wo_node(parser, token, current); |
4610 | 474k | if (ret != NJS_OK) { |
4611 | 0 | return ret; |
4612 | 0 | } |
4613 | | |
4614 | 474k | return njs_parser_after(parser, current, parser->node, 1, |
4615 | 474k | njs_parser_statement_after); |
4616 | 474k | } |
4617 | | |
4618 | | |
4619 | | static njs_int_t |
4620 | | njs_parser_statement_wo_node(njs_parser_t *parser, njs_lexer_token_t *token, |
4621 | | njs_queue_link_t *current) |
4622 | 528k | { |
4623 | 528k | switch (token->type) { |
4624 | 62.5k | case NJS_TOKEN_OPEN_BRACE: |
4625 | 62.5k | njs_parser_next(parser, njs_parser_block_statement); |
4626 | 62.5k | break; |
4627 | | |
4628 | 4.64k | case NJS_TOKEN_VAR: |
4629 | 4.64k | njs_lexer_consume_token(parser->lexer, 1); |
4630 | 4.64k | return njs_parser_variable_statement(parser, token, current); |
4631 | | |
4632 | 532 | case NJS_TOKEN_SEMICOLON: |
4633 | 532 | njs_lexer_consume_token(parser->lexer, 1); |
4634 | 532 | return njs_parser_stack_pop(parser); |
4635 | | |
4636 | 4.38k | case NJS_TOKEN_IF: |
4637 | 4.38k | njs_parser_next(parser, njs_parser_if_statement); |
4638 | 4.38k | break; |
4639 | | |
4640 | | /* BreakableStatement */ |
4641 | 46 | case NJS_TOKEN_DO: |
4642 | 46 | njs_parser_next(parser, njs_parser_iteration_statement_do); |
4643 | 46 | break; |
4644 | | |
4645 | 2.50k | case NJS_TOKEN_WHILE: |
4646 | 2.50k | njs_parser_next(parser, njs_parser_iteration_statement_while); |
4647 | 2.50k | break; |
4648 | | |
4649 | 39.3k | case NJS_TOKEN_FOR: |
4650 | 39.3k | njs_parser_next(parser, njs_parser_iteration_statement_for); |
4651 | 39.3k | break; |
4652 | | |
4653 | 234 | case NJS_TOKEN_SWITCH: |
4654 | 234 | njs_parser_next(parser, njs_parser_switch_statement); |
4655 | 234 | break; |
4656 | | |
4657 | 0 | case NJS_TOKEN_CONTINUE: |
4658 | 0 | njs_parser_next(parser, njs_parser_continue_statement); |
4659 | 0 | break; |
4660 | | |
4661 | 32.7k | case NJS_TOKEN_BREAK: |
4662 | 32.7k | njs_parser_next(parser, njs_parser_break_statement); |
4663 | 32.7k | break; |
4664 | | |
4665 | 1.87k | case NJS_TOKEN_RETURN: |
4666 | 1.87k | njs_parser_next(parser, njs_parser_return_statement); |
4667 | 1.87k | break; |
4668 | | |
4669 | 0 | case NJS_TOKEN_WITH: |
4670 | 0 | njs_parser_next(parser, njs_parser_with_statement); |
4671 | 0 | break; |
4672 | | |
4673 | 156 | case NJS_TOKEN_THROW: |
4674 | 156 | njs_parser_next(parser, njs_parser_throw_statement); |
4675 | 156 | break; |
4676 | | |
4677 | 1.25k | case NJS_TOKEN_TRY: |
4678 | 1.25k | njs_parser_next(parser, njs_parser_try_statement); |
4679 | 1.25k | break; |
4680 | | |
4681 | 1.41k | case NJS_TOKEN_DEBUGGER: |
4682 | 1.41k | njs_parser_next(parser, njs_parser_debugger_statement); |
4683 | 1.41k | break; |
4684 | | |
4685 | 1 | case NJS_TOKEN_END: |
4686 | 1 | return njs_parser_failed(parser); |
4687 | | |
4688 | 377k | default: |
4689 | 377k | if (njs_lexer_token_is_identifier_reference(token)) { |
4690 | 349k | token = njs_lexer_peek_token(parser->lexer, token, 0); |
4691 | 349k | if (token == NULL) { |
4692 | 0 | return NJS_ERROR; |
4693 | 0 | } |
4694 | | |
4695 | 349k | if (token->type == NJS_TOKEN_COLON) { |
4696 | 9.55k | njs_parser_next(parser, njs_parser_labelled_statement); |
4697 | 9.55k | return NJS_OK; |
4698 | 9.55k | } |
4699 | 349k | } |
4700 | | |
4701 | 367k | njs_parser_next(parser, njs_parser_expression_statement); |
4702 | 367k | return NJS_OK; |
4703 | 528k | } |
4704 | | |
4705 | 146k | parser->line = token->line; |
4706 | | |
4707 | 146k | njs_lexer_consume_token(parser->lexer, 1); |
4708 | | |
4709 | 146k | return NJS_OK; |
4710 | 528k | } |
4711 | | |
4712 | | |
4713 | | static njs_int_t |
4714 | | njs_parser_statement_after(njs_parser_t *parser, njs_lexer_token_t *token, |
4715 | | njs_queue_link_t *current) |
4716 | 441k | { |
4717 | 441k | njs_parser_node_t *stmt, *last, *new_node, **child; |
4718 | 441k | njs_parser_node_t *node, *top; |
4719 | | |
4720 | 441k | child = &parser->target; |
4721 | 441k | last = *child; |
4722 | | |
4723 | 441k | new_node = parser->node; |
4724 | | |
4725 | 441k | if (new_node != NULL) { |
4726 | 441k | if (new_node->hoist) { |
4727 | 0 | child = &njs_parser_chain_top(parser); |
4728 | |
|
4729 | 0 | while (*child != NULL) { |
4730 | 0 | node = *child; |
4731 | |
|
4732 | 0 | if (node->hoist) { |
4733 | 0 | break; |
4734 | 0 | } |
4735 | | |
4736 | 0 | child = &node->left; |
4737 | 0 | } |
4738 | |
|
4739 | 0 | last = *child; |
4740 | 0 | } |
4741 | | |
4742 | 441k | stmt = njs_parser_node_new(parser, NJS_TOKEN_STATEMENT); |
4743 | 441k | if (njs_slow_path(stmt == NULL)) { |
4744 | 0 | return NJS_ERROR; |
4745 | 0 | } |
4746 | | |
4747 | 441k | stmt->hoist = new_node->hoist; |
4748 | 441k | stmt->left = last; |
4749 | 441k | stmt->right = new_node; |
4750 | | |
4751 | 441k | *child = stmt; |
4752 | | |
4753 | 441k | top = (child != &parser->target) ? njs_parser_chain_top(parser) |
4754 | 441k | : stmt; |
4755 | | |
4756 | 441k | parser->node = top; |
4757 | | |
4758 | 441k | njs_parser_chain_top_set(parser, top); |
4759 | 441k | } |
4760 | | |
4761 | 441k | return njs_parser_stack_pop(parser); |
4762 | 441k | } |
4763 | | |
4764 | | |
4765 | | static njs_int_t |
4766 | | njs_parser_declaration(njs_parser_t *parser, njs_lexer_token_t *token, |
4767 | | njs_queue_link_t *current) |
4768 | 494k | { |
4769 | 494k | njs_int_t ret; |
4770 | | |
4771 | 494k | ret = njs_parser_hoistable_declaration(parser, token, current); |
4772 | 494k | if (ret == NJS_OK) { |
4773 | 893 | return NJS_OK; |
4774 | 893 | } |
4775 | | |
4776 | 493k | switch (token->type) { |
4777 | 0 | case NJS_TOKEN_CLASS: |
4778 | 0 | njs_parser_next(parser, njs_parser_class_declaration); |
4779 | 0 | return NJS_OK; |
4780 | | |
4781 | 3.08k | case NJS_TOKEN_LET: |
4782 | 3.08k | case NJS_TOKEN_CONST: |
4783 | 3.08k | token = njs_lexer_peek_token(parser->lexer, token, 0); |
4784 | 3.08k | if (token == NULL) { |
4785 | 0 | return NJS_ERROR; |
4786 | 0 | } |
4787 | | |
4788 | 3.08k | switch (token->type) { |
4789 | 0 | case NJS_TOKEN_OPEN_BRACE: |
4790 | 1.04k | case NJS_TOKEN_OPEN_BRACKET: |
4791 | 1.04k | njs_parser_next(parser, njs_parser_lexical_declaration); |
4792 | 1.04k | break; |
4793 | | |
4794 | 2.04k | default: |
4795 | 2.04k | if (njs_lexer_token_is_reserved(token)) { |
4796 | 0 | njs_lexer_consume_token(parser->lexer, 1); |
4797 | 0 | njs_parser_next(parser, njs_parser_failed_state); |
4798 | 0 | return NJS_OK; |
4799 | 0 | } |
4800 | | |
4801 | 2.04k | if (njs_lexer_token_is_binding_identifier(token)) { |
4802 | 2.04k | njs_parser_next(parser, njs_parser_lexical_declaration); |
4803 | 2.04k | break; |
4804 | 2.04k | } |
4805 | | |
4806 | 0 | return NJS_DECLINED; |
4807 | 3.08k | } |
4808 | | |
4809 | 3.08k | break; |
4810 | | |
4811 | 490k | default: |
4812 | 490k | return NJS_DECLINED; |
4813 | 493k | } |
4814 | | |
4815 | 3.08k | return njs_parser_after(parser, current, parser->node, 1, |
4816 | 493k | njs_parser_statement_after); |
4817 | 493k | } |
4818 | | |
4819 | | |
4820 | | static njs_int_t |
4821 | | njs_parser_hoistable_declaration(njs_parser_t *parser, |
4822 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
4823 | 494k | { |
4824 | 494k | njs_int_t ret; |
4825 | | |
4826 | 494k | ret = njs_parser_function_or_generator(parser, token, current); |
4827 | 494k | if (ret == NJS_OK) { |
4828 | 893 | return NJS_OK; |
4829 | 893 | } |
4830 | | |
4831 | 493k | ret = njs_parser_async_function_or_generator(parser, token, current); |
4832 | 493k | if (ret == NJS_OK) { |
4833 | 0 | return NJS_OK; |
4834 | 0 | } |
4835 | | |
4836 | 493k | return NJS_DECLINED; |
4837 | 493k | } |
4838 | | |
4839 | | |
4840 | | /* |
4841 | | * 13.2 Block. |
4842 | | */ |
4843 | | static njs_int_t |
4844 | | njs_parser_block_statement(njs_parser_t *parser, njs_lexer_token_t *token, |
4845 | | njs_queue_link_t *current) |
4846 | 63.8k | { |
4847 | 63.8k | void *target; |
4848 | 63.8k | njs_int_t ret; |
4849 | | |
4850 | 63.8k | ret = njs_parser_scope_begin(parser, NJS_SCOPE_BLOCK, 0); |
4851 | 63.8k | if (ret != NJS_OK) { |
4852 | 0 | return NJS_ERROR; |
4853 | 0 | } |
4854 | | |
4855 | 63.8k | target = (void *) (uintptr_t) parser->line; |
4856 | 63.8k | parser->node = NULL; |
4857 | | |
4858 | 63.8k | if (token->type == NJS_TOKEN_CLOSE_BRACE) { |
4859 | 108 | parser->target = target; |
4860 | | |
4861 | 108 | njs_parser_next(parser, njs_parser_block_statement_close_brace); |
4862 | 108 | return NJS_OK; |
4863 | 108 | } |
4864 | | |
4865 | 63.7k | njs_parser_next(parser, njs_parser_statement_list); |
4866 | | |
4867 | 63.7k | return njs_parser_after(parser, current, target, 0, |
4868 | 63.8k | njs_parser_block_statement_close_brace); |
4869 | 63.8k | } |
4870 | | |
4871 | | |
4872 | | static njs_int_t |
4873 | | njs_parser_block_statement_open_brace(njs_parser_t *parser, |
4874 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
4875 | 1.26k | { |
4876 | 1.26k | if (token->type != NJS_TOKEN_OPEN_BRACE) { |
4877 | 0 | return njs_parser_failed(parser); |
4878 | 0 | } |
4879 | | |
4880 | 1.26k | parser->line = token->line; |
4881 | | |
4882 | 1.26k | njs_lexer_consume_token(parser->lexer, 1); |
4883 | | |
4884 | 1.26k | token = njs_lexer_token(parser->lexer, 0); |
4885 | 1.26k | if (token == NULL) { |
4886 | 0 | return NJS_ERROR; |
4887 | 0 | } |
4888 | | |
4889 | 1.26k | return njs_parser_block_statement(parser, token, current); |
4890 | 1.26k | } |
4891 | | |
4892 | | |
4893 | | static njs_int_t |
4894 | | njs_parser_block_statement_close_brace(njs_parser_t *parser, |
4895 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
4896 | 58.6k | { |
4897 | 58.6k | njs_parser_node_t *node; |
4898 | | |
4899 | 58.6k | if (parser->ret != NJS_OK) { |
4900 | 11 | return njs_parser_failed(parser); |
4901 | 11 | } |
4902 | | |
4903 | 58.5k | if (token->type != NJS_TOKEN_CLOSE_BRACE) { |
4904 | 0 | return njs_parser_failed(parser); |
4905 | 0 | } |
4906 | | |
4907 | 58.5k | node = njs_parser_node_new(parser, NJS_TOKEN_BLOCK); |
4908 | 58.5k | if (node == NULL) { |
4909 | 0 | return NJS_ERROR; |
4910 | 0 | } |
4911 | | |
4912 | 58.5k | node->token_line = (uint32_t) (uintptr_t) parser->target; |
4913 | 58.5k | node->left = parser->node; |
4914 | 58.5k | node->right = NULL; |
4915 | | |
4916 | 58.5k | parser->target = NULL; |
4917 | 58.5k | parser->node = node; |
4918 | | |
4919 | 58.5k | njs_parser_scope_end(parser); |
4920 | | |
4921 | 58.5k | njs_lexer_consume_token(parser->lexer, 1); |
4922 | 58.5k | return njs_parser_stack_pop(parser); |
4923 | 58.5k | } |
4924 | | |
4925 | | |
4926 | | static njs_int_t |
4927 | | njs_parser_statement_list(njs_parser_t *parser, njs_lexer_token_t *token, |
4928 | | njs_queue_link_t *current) |
4929 | 110k | { |
4930 | 110k | njs_parser_next(parser, njs_parser_statement_list_item); |
4931 | | |
4932 | 110k | return njs_parser_after(parser, current, NULL, 1, |
4933 | 110k | njs_parser_statement_list_next); |
4934 | 110k | } |
4935 | | |
4936 | | |
4937 | | static njs_int_t |
4938 | | njs_parser_statement_list_next(njs_parser_t *parser, njs_lexer_token_t *token, |
4939 | | njs_queue_link_t *current) |
4940 | 454k | { |
4941 | 454k | if (parser->ret != NJS_OK) { |
4942 | 798 | if (token->type != NJS_TOKEN_CLOSE_BRACE) { |
4943 | 798 | parser->node = parser->target; |
4944 | | |
4945 | 798 | (void) njs_parser_stack_pop(parser); |
4946 | | |
4947 | 798 | return parser->ret; |
4948 | 798 | } |
4949 | | |
4950 | 0 | return njs_parser_failed(parser); |
4951 | 798 | } |
4952 | | |
4953 | 453k | if (token->type == NJS_TOKEN_CLOSE_BRACE) { |
4954 | 69.3k | return njs_parser_stack_pop(parser); |
4955 | 69.3k | } |
4956 | | |
4957 | 384k | njs_parser_next(parser, njs_parser_statement_list_item); |
4958 | | |
4959 | 384k | return njs_parser_after(parser, current, parser->node, 0, |
4960 | 453k | njs_parser_statement_list_next); |
4961 | 453k | } |
4962 | | |
4963 | | |
4964 | | static njs_int_t |
4965 | | njs_parser_statement_list_item(njs_parser_t *parser, njs_lexer_token_t *token, |
4966 | | njs_queue_link_t *current) |
4967 | 494k | { |
4968 | 494k | njs_int_t ret; |
4969 | | |
4970 | 494k | ret = njs_parser_declaration(parser, token, current); |
4971 | 494k | if (ret == NJS_OK) { |
4972 | 3.97k | return NJS_OK; |
4973 | 3.97k | } |
4974 | | |
4975 | 490k | njs_parser_next(parser, njs_parser_statement); |
4976 | | |
4977 | 490k | return NJS_OK; |
4978 | 494k | } |
4979 | | |
4980 | | |
4981 | | /* |
4982 | | * 13.3.1 Let and Const Declarations |
4983 | | */ |
4984 | | static njs_int_t |
4985 | | njs_parser_lexical_declaration(njs_parser_t *parser, njs_lexer_token_t *token, |
4986 | | njs_queue_link_t *current) |
4987 | 3.08k | { |
4988 | 3.08k | parser->var_type = (token->type == NJS_TOKEN_LET) ? NJS_VARIABLE_LET |
4989 | 3.08k | : NJS_VARIABLE_CONST; |
4990 | | |
4991 | 3.08k | njs_lexer_consume_token(parser->lexer, 1); |
4992 | | |
4993 | 3.08k | njs_parser_next(parser, njs_parser_variable_declaration_list); |
4994 | | |
4995 | 3.08k | return njs_parser_after(parser, current, NULL, 1, njs_parser_semicolon); |
4996 | 3.08k | } |
4997 | | |
4998 | | |
4999 | | /* |
5000 | | * 13.3.2 Variable Statement |
5001 | | */ |
5002 | | static njs_int_t |
5003 | | njs_parser_variable_statement(njs_parser_t *parser, njs_lexer_token_t *token, |
5004 | | njs_queue_link_t *current) |
5005 | 4.64k | { |
5006 | 4.64k | parser->var_type = NJS_VARIABLE_VAR; |
5007 | | |
5008 | 4.64k | njs_parser_next(parser, njs_parser_variable_declaration_list); |
5009 | | |
5010 | 4.64k | return njs_parser_after(parser, current, NULL, 1, njs_parser_semicolon); |
5011 | 4.64k | } |
5012 | | |
5013 | | |
5014 | | static njs_int_t |
5015 | | njs_parser_variable_declaration_list(njs_parser_t *parser, |
5016 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
5017 | 7.73k | { |
5018 | 7.73k | njs_parser_next(parser, njs_parser_variable_declaration); |
5019 | | |
5020 | 7.73k | return njs_parser_after(parser, current, NULL, 1, |
5021 | 7.73k | njs_parser_variable_declaration_list_next); |
5022 | 7.73k | } |
5023 | | |
5024 | | |
5025 | | static njs_int_t |
5026 | | njs_parser_variable_declaration_list_next(njs_parser_t *parser, |
5027 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
5028 | 12.0k | { |
5029 | 12.0k | njs_parser_node_t *node; |
5030 | | |
5031 | 12.0k | if (parser->target != NULL) { |
5032 | 5.35k | parser->node->left = parser->target; |
5033 | 5.35k | } |
5034 | | |
5035 | 12.0k | if (token->type != NJS_TOKEN_COMMA) { |
5036 | 6.68k | return njs_parser_stack_pop(parser); |
5037 | 6.68k | } |
5038 | | |
5039 | 5.35k | njs_lexer_consume_token(parser->lexer, 1); |
5040 | | |
5041 | 5.35k | node = parser->node; |
5042 | | |
5043 | 5.35k | parser->node = NULL; |
5044 | | |
5045 | 5.35k | njs_parser_next(parser, njs_parser_variable_declaration); |
5046 | | |
5047 | 5.35k | return njs_parser_after(parser, current, node, 1, |
5048 | 12.0k | njs_parser_variable_declaration_list_next); |
5049 | 12.0k | } |
5050 | | |
5051 | | |
5052 | | static njs_int_t |
5053 | | njs_parser_variable_declaration(njs_parser_t *parser, |
5054 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
5055 | 13.0k | { |
5056 | 13.0k | njs_int_t ret; |
5057 | 13.0k | njs_variable_t *var; |
5058 | 13.0k | njs_token_type_t type; |
5059 | 13.0k | njs_parser_node_t *name; |
5060 | | |
5061 | 13.0k | ret = njs_parser_binding_pattern(parser, token, current); |
5062 | 13.0k | if (ret == NJS_OK) { |
5063 | 1.04k | return njs_parser_after(parser, current, NULL, 1, |
5064 | 1.04k | njs_parser_initializer); |
5065 | 1.04k | } |
5066 | | |
5067 | 12.0k | if (!njs_lexer_token_is_binding_identifier(token)) { |
5068 | 1 | return njs_parser_failed(parser); |
5069 | 1 | } |
5070 | | |
5071 | 12.0k | if (njs_parser_restricted_identifier(token->type)) { |
5072 | 0 | njs_parser_syntax_error(parser, "Identifier \"%V\" is forbidden in" |
5073 | 0 | " var declaration", &token->text); |
5074 | 0 | return NJS_DONE; |
5075 | 0 | } |
5076 | | |
5077 | 12.0k | name = njs_parser_variable_node(parser, token->unique_id, parser->var_type, |
5078 | 12.0k | &var); |
5079 | 12.0k | if (name == NULL) { |
5080 | 0 | return NJS_ERROR; |
5081 | 0 | } |
5082 | | |
5083 | 12.0k | if (var->self) { |
5084 | 1.04k | var->type = parser->var_type; |
5085 | 1.04k | var->self = 0; |
5086 | 1.04k | } |
5087 | | |
5088 | 12.0k | name->token_line = token->line; |
5089 | | |
5090 | 12.0k | parser->node = name; |
5091 | | |
5092 | 12.0k | njs_lexer_consume_token(parser->lexer, 1); |
5093 | | |
5094 | 12.0k | token = njs_lexer_token(parser->lexer, 0); |
5095 | 12.0k | if (token == NULL) { |
5096 | 0 | return NJS_ERROR; |
5097 | 0 | } |
5098 | | |
5099 | 12.0k | switch (parser->var_type) { |
5100 | 2.04k | case NJS_VARIABLE_LET: |
5101 | 2.04k | type = NJS_TOKEN_LET; |
5102 | 2.04k | break; |
5103 | | |
5104 | 0 | case NJS_VARIABLE_CONST: |
5105 | 0 | type = NJS_TOKEN_CONST; |
5106 | 0 | break; |
5107 | | |
5108 | 10.0k | default: |
5109 | 10.0k | type = NJS_TOKEN_VAR; |
5110 | 10.0k | break; |
5111 | 12.0k | } |
5112 | | |
5113 | 12.0k | ret = njs_parser_initializer_assign(parser, type); |
5114 | 12.0k | if (ret != NJS_OK) { |
5115 | 0 | return ret; |
5116 | 0 | } |
5117 | | |
5118 | 12.0k | parser->node->token_line = token->line; |
5119 | | |
5120 | 12.0k | if (token->type == NJS_TOKEN_ASSIGNMENT) { |
5121 | 7.73k | njs_parser_next(parser, njs_parser_initializer); |
5122 | | |
5123 | 7.73k | return NJS_OK; |
5124 | 7.73k | } |
5125 | | |
5126 | 4.30k | parser->target = parser->node; |
5127 | 4.30k | parser->node = NULL; |
5128 | | |
5129 | 4.30k | njs_parser_next(parser, njs_parser_initializer_after); |
5130 | | |
5131 | 4.30k | return NJS_OK; |
5132 | 12.0k | } |
5133 | | |
5134 | | |
5135 | | /* |
5136 | | * 13.3.3 Destructuring Binding Patterns. |
5137 | | */ |
5138 | | static njs_int_t |
5139 | | njs_parser_binding_pattern(njs_parser_t *parser, njs_lexer_token_t *token, |
5140 | | njs_queue_link_t *current) |
5141 | 13.0k | { |
5142 | 13.0k | if (token->type == NJS_TOKEN_OPEN_BRACE) { |
5143 | 0 | njs_parser_next(parser, njs_parser_object_binding_pattern); |
5144 | |
|
5145 | 13.0k | } else if (token->type == NJS_TOKEN_OPEN_BRACKET) { |
5146 | 1.04k | njs_parser_next(parser, njs_parser_array_binding_pattern); |
5147 | | |
5148 | 12.0k | } else { |
5149 | 12.0k | return NJS_DECLINED; |
5150 | 12.0k | } |
5151 | | |
5152 | 1.04k | njs_lexer_consume_token(parser->lexer, 1); |
5153 | | |
5154 | 1.04k | return NJS_OK; |
5155 | 13.0k | } |
5156 | | |
5157 | | static njs_int_t |
5158 | | njs_parser_object_binding_pattern(njs_parser_t *parser, |
5159 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
5160 | 0 | { |
5161 | 0 | return njs_parser_not_supported(parser, token); |
5162 | 0 | } |
5163 | | |
5164 | | |
5165 | | static njs_int_t |
5166 | | njs_parser_array_binding_pattern(njs_parser_t *parser, |
5167 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
5168 | 1.04k | { |
5169 | 1.04k | return njs_parser_not_supported(parser, token); |
5170 | 1.04k | } |
5171 | | |
5172 | | |
5173 | | /* |
5174 | | * 13.5 Expression Statement. |
5175 | | */ |
5176 | | static njs_int_t |
5177 | | njs_parser_expression_statement(njs_parser_t *parser, njs_lexer_token_t *token, |
5178 | | njs_queue_link_t *current) |
5179 | 367k | { |
5180 | 367k | njs_token_type_t type; |
5181 | 367k | njs_lexer_token_t *next; |
5182 | | |
5183 | 367k | switch (token->type) { |
5184 | 0 | case NJS_TOKEN_FUNCTION: |
5185 | 0 | njs_parser_syntax_error(parser, "Functions can only be declared " |
5186 | 0 | "at top level or inside a block"); |
5187 | 0 | return NJS_DONE; |
5188 | | |
5189 | 0 | case NJS_TOKEN_CLASS: |
5190 | 0 | njs_parser_syntax_error(parser, "Class can only be declared " |
5191 | 0 | "at top level or inside a block"); |
5192 | 0 | return NJS_DONE; |
5193 | | |
5194 | 0 | case NJS_TOKEN_OPEN_BRACE: |
5195 | 0 | return njs_parser_reject(parser); |
5196 | | |
5197 | 0 | case NJS_TOKEN_ASYNC: |
5198 | 0 | next = njs_lexer_peek_token(parser->lexer, token, 1); |
5199 | 0 | if (next == NULL) { |
5200 | 0 | return NJS_ERROR; |
5201 | 0 | } |
5202 | | |
5203 | 0 | if (next->type == NJS_TOKEN_FUNCTION) { |
5204 | 0 | return njs_parser_not_supported(parser, token); |
5205 | 0 | } |
5206 | | |
5207 | 0 | break; |
5208 | | |
5209 | 1 | case NJS_TOKEN_CONST: |
5210 | 1 | case NJS_TOKEN_LET: |
5211 | 1 | type = token->type; |
5212 | | |
5213 | 1 | token = njs_lexer_peek_token(parser->lexer, token, 0); |
5214 | 1 | if (token == NULL) { |
5215 | 0 | return NJS_ERROR; |
5216 | 0 | } |
5217 | | |
5218 | 1 | if (token->type == NJS_TOKEN_NAME) { |
5219 | 1 | njs_parser_syntax_error(parser, "%s declaration cannot appear " |
5220 | 1 | "in a single-statement context", |
5221 | 1 | (type == NJS_TOKEN_CONST ? "const" |
5222 | 1 | : "let" )); |
5223 | 1 | return NJS_DONE; |
5224 | 1 | } |
5225 | | |
5226 | 0 | if (token->type == NJS_TOKEN_OPEN_BRACKET) { |
5227 | 0 | return njs_parser_failed(parser); |
5228 | 0 | } |
5229 | | |
5230 | 0 | break; |
5231 | | |
5232 | 367k | default: |
5233 | 367k | break; |
5234 | 367k | } |
5235 | | |
5236 | 367k | parser->node = NULL; |
5237 | | |
5238 | 367k | njs_parser_next(parser, njs_parser_expression); |
5239 | | |
5240 | 367k | return njs_parser_after(parser, current, NULL, 1, |
5241 | 367k | njs_parser_expression_statement_after); |
5242 | 367k | } |
5243 | | |
5244 | | |
5245 | | static njs_int_t |
5246 | | njs_parser_expression_statement_after(njs_parser_t *parser, |
5247 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
5248 | 345k | { |
5249 | 345k | if (njs_parser_expect_semicolon(parser, token) != NJS_OK) { |
5250 | 37 | return njs_parser_failed(parser); |
5251 | 37 | } |
5252 | | |
5253 | 345k | return njs_parser_stack_pop(parser); |
5254 | 345k | } |
5255 | | |
5256 | | |
5257 | | /* |
5258 | | * 13.6 if Statement. |
5259 | | */ |
5260 | | static njs_int_t |
5261 | | njs_parser_if_statement(njs_parser_t *parser, njs_lexer_token_t *token, |
5262 | | njs_queue_link_t *current) |
5263 | 4.38k | { |
5264 | 4.38k | njs_int_t ret; |
5265 | 4.38k | njs_parser_node_t *node; |
5266 | | |
5267 | 4.38k | if (token->type != NJS_TOKEN_OPEN_PARENTHESIS) { |
5268 | 0 | return njs_parser_failed(parser); |
5269 | 0 | } |
5270 | | |
5271 | 4.38k | njs_lexer_consume_token(parser->lexer, 1); |
5272 | | |
5273 | 4.38k | node = njs_parser_node_new(parser, NJS_TOKEN_IF); |
5274 | 4.38k | if (node == NULL) { |
5275 | 0 | return NJS_ERROR; |
5276 | 0 | } |
5277 | | |
5278 | 4.38k | node->token_line = parser->line; |
5279 | | |
5280 | 4.38k | parser->node = NULL; |
5281 | | |
5282 | 4.38k | njs_parser_next(parser, njs_parser_expression); |
5283 | | |
5284 | 4.38k | ret = njs_parser_after(parser, current, node, 1, |
5285 | 4.38k | njs_parser_if_close_parenthesis); |
5286 | 4.38k | if (ret != NJS_OK) { |
5287 | 0 | return ret; |
5288 | 0 | } |
5289 | | |
5290 | 4.38k | ret = njs_parser_after(parser, current, NULL, 1, |
5291 | 4.38k | njs_parser_statement_wo_node); |
5292 | 4.38k | if (ret != NJS_OK) { |
5293 | 0 | return ret; |
5294 | 0 | } |
5295 | | |
5296 | 4.38k | return njs_parser_after(parser, current, node, 1, |
5297 | 4.38k | njs_parser_else_statement); |
5298 | 4.38k | } |
5299 | | |
5300 | | |
5301 | | static njs_int_t |
5302 | | njs_parser_if_close_parenthesis(njs_parser_t *parser, njs_lexer_token_t *token, |
5303 | | njs_queue_link_t *current) |
5304 | 4.38k | { |
5305 | 4.38k | if (token->type != NJS_TOKEN_CLOSE_PARENTHESIS) { |
5306 | 0 | return njs_parser_failed(parser); |
5307 | 0 | } |
5308 | | |
5309 | 4.38k | njs_lexer_consume_token(parser->lexer, 1); |
5310 | | |
5311 | 4.38k | parser->target->left = parser->node; |
5312 | 4.38k | parser->node = NULL; |
5313 | | |
5314 | 4.38k | return njs_parser_stack_pop(parser); |
5315 | 4.38k | } |
5316 | | |
5317 | | |
5318 | | static njs_int_t |
5319 | | njs_parser_else_statement(njs_parser_t *parser, njs_lexer_token_t *token, |
5320 | | njs_queue_link_t *current) |
5321 | 4.37k | { |
5322 | 4.37k | njs_parser_node_t *node; |
5323 | | |
5324 | 4.37k | parser->target->right = parser->node; |
5325 | 4.37k | parser->node = NULL; |
5326 | | |
5327 | 4.37k | if (token->type == NJS_TOKEN_ELSE) { |
5328 | 2.62k | node = njs_parser_node_new(parser, NJS_TOKEN_BRANCHING); |
5329 | 2.62k | if (node == NULL) { |
5330 | 0 | return NJS_ERROR; |
5331 | 0 | } |
5332 | | |
5333 | 2.62k | node->token_line = token->line; |
5334 | 2.62k | node->left = parser->target->right; |
5335 | | |
5336 | 2.62k | parser->target->right = node; |
5337 | | |
5338 | 2.62k | njs_lexer_consume_token(parser->lexer, 1); |
5339 | 2.62k | njs_parser_next(parser, njs_parser_statement_wo_node); |
5340 | | |
5341 | 2.62k | return njs_parser_after(parser, current, parser->target, 1, |
5342 | 2.62k | njs_parser_else_statement_after); |
5343 | 2.62k | } |
5344 | | |
5345 | 1.75k | parser->node = parser->target; |
5346 | | |
5347 | 1.75k | return njs_parser_stack_pop(parser); |
5348 | 4.37k | } |
5349 | | |
5350 | | |
5351 | | static njs_int_t |
5352 | | njs_parser_else_statement_after(njs_parser_t *parser, njs_lexer_token_t *token, |
5353 | | njs_queue_link_t *current) |
5354 | 2.62k | { |
5355 | 2.62k | parser->target->right->right = parser->node; |
5356 | | |
5357 | 2.62k | parser->node = parser->target; |
5358 | | |
5359 | 2.62k | return njs_parser_stack_pop(parser); |
5360 | 2.62k | } |
5361 | | |
5362 | | |
5363 | | static njs_int_t |
5364 | | njs_parser_iteration_statement_do(njs_parser_t *parser, |
5365 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
5366 | 46 | { |
5367 | 46 | njs_parser_node_t *node; |
5368 | | |
5369 | 46 | node = njs_parser_node_new(parser, NJS_TOKEN_DO); |
5370 | 46 | if (node == NULL) { |
5371 | 0 | return NJS_ERROR; |
5372 | 0 | } |
5373 | | |
5374 | 46 | node->token_line = parser->line; |
5375 | | |
5376 | 46 | parser->node = NULL; |
5377 | | |
5378 | 46 | njs_parser_next(parser, njs_parser_statement_wo_node); |
5379 | | |
5380 | 46 | return njs_parser_after(parser, current, node, 1, |
5381 | 46 | njs_parser_iteration_statement_do_while); |
5382 | 46 | } |
5383 | | |
5384 | | |
5385 | | static njs_int_t |
5386 | | njs_parser_iteration_statement_do_while(njs_parser_t *parser, |
5387 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
5388 | 44 | { |
5389 | 44 | if (token->type != NJS_TOKEN_WHILE) { |
5390 | 0 | return njs_parser_failed(parser); |
5391 | 0 | } |
5392 | | |
5393 | 44 | parser->target->left = parser->node; |
5394 | | |
5395 | 44 | njs_lexer_consume_token(parser->lexer, 1); |
5396 | | |
5397 | 44 | njs_parser_next(parser, njs_parser_expression_parenthesis); |
5398 | | |
5399 | 44 | return njs_parser_after(parser, current, parser->target, 1, |
5400 | 44 | njs_parser_do_while_semicolon); |
5401 | 44 | } |
5402 | | |
5403 | | |
5404 | | static njs_int_t |
5405 | | njs_parser_do_while_semicolon(njs_parser_t *parser, njs_lexer_token_t *token, |
5406 | | njs_queue_link_t *current) |
5407 | 44 | { |
5408 | 44 | if (parser->strict_semicolon) { |
5409 | 0 | return njs_parser_failed(parser); |
5410 | 0 | } |
5411 | | |
5412 | 44 | parser->target->right = parser->node; |
5413 | 44 | parser->node = parser->target; |
5414 | | |
5415 | 44 | return njs_parser_stack_pop(parser); |
5416 | 44 | } |
5417 | | |
5418 | | |
5419 | | static njs_int_t |
5420 | | njs_parser_iteration_statement_while(njs_parser_t *parser, |
5421 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
5422 | 2.50k | { |
5423 | 2.50k | njs_parser_node_t *node; |
5424 | | |
5425 | 2.50k | node = njs_parser_node_new(parser, NJS_TOKEN_WHILE); |
5426 | 2.50k | if (node == NULL) { |
5427 | 0 | return NJS_ERROR; |
5428 | 0 | } |
5429 | | |
5430 | 2.50k | node->token_line = token->line; |
5431 | | |
5432 | 2.50k | njs_parser_next(parser, njs_parser_expression_parenthesis); |
5433 | | |
5434 | 2.50k | return njs_parser_after(parser, current, node, 1, |
5435 | 2.50k | njs_parser_while_statement); |
5436 | 2.50k | } |
5437 | | |
5438 | | |
5439 | | static njs_int_t |
5440 | | njs_parser_while_statement(njs_parser_t *parser, njs_lexer_token_t *token, |
5441 | | njs_queue_link_t *current) |
5442 | 2.50k | { |
5443 | 2.50k | parser->target->right = parser->node; |
5444 | 2.50k | parser->node = NULL; |
5445 | | |
5446 | 2.50k | njs_parser_next(parser, njs_parser_statement_wo_node); |
5447 | | |
5448 | 2.50k | return njs_parser_after(parser, current, parser->target, 1, |
5449 | 2.50k | njs_parser_while_after); |
5450 | 2.50k | } |
5451 | | |
5452 | | |
5453 | | static njs_int_t |
5454 | | njs_parser_while_after(njs_parser_t *parser, njs_lexer_token_t *token, |
5455 | | njs_queue_link_t *current) |
5456 | 2.50k | { |
5457 | 2.50k | parser->target->left = parser->node; |
5458 | 2.50k | parser->node = parser->target; |
5459 | | |
5460 | 2.50k | return njs_parser_stack_pop(parser); |
5461 | 2.50k | } |
5462 | | |
5463 | | |
5464 | | static njs_int_t |
5465 | | njs_parser_iteration_statement_for(njs_parser_t *parser, |
5466 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
5467 | 39.3k | { |
5468 | 39.3k | njs_int_t ret; |
5469 | | |
5470 | 39.3k | if (token->type == NJS_TOKEN_OPEN_PARENTHESIS) { |
5471 | 39.3k | njs_lexer_consume_token(parser->lexer, 1); |
5472 | | |
5473 | 39.3k | ret = njs_parser_scope_begin(parser, NJS_SCOPE_BLOCK, 0); |
5474 | 39.3k | if (njs_slow_path(ret != NJS_OK)) { |
5475 | 0 | return ret; |
5476 | 0 | } |
5477 | | |
5478 | 39.3k | njs_parser_next(parser, njs_parser_iteration_statement_for_map); |
5479 | | |
5480 | 39.3k | return njs_parser_after(parser, current, |
5481 | 39.3k | (void *) (uintptr_t) parser->line, 1, |
5482 | 39.3k | njs_parser_iteration_statement_for_end); |
5483 | 39.3k | } |
5484 | | |
5485 | 0 | if (token->type == NJS_TOKEN_AWAIT) { |
5486 | 0 | return njs_parser_not_supported(parser, token); |
5487 | 0 | } |
5488 | | |
5489 | 0 | return njs_parser_failed(parser); |
5490 | 0 | } |
5491 | | |
5492 | | |
5493 | | static njs_int_t |
5494 | | njs_parser_for_expression_map_reparse(njs_parser_t *parser, |
5495 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
5496 | 7.38k | { |
5497 | 7.38k | if (parser->ret != NJS_OK && parser->node != NULL) { |
5498 | 1 | return njs_parser_failed(parser); |
5499 | 1 | } |
5500 | | |
5501 | 7.38k | if (parser->node == NULL) { |
5502 | 0 | njs_lexer_in_fail_set(parser->lexer, 1); |
5503 | |
|
5504 | 0 | njs_parser_next(parser, njs_parser_expression); |
5505 | |
|
5506 | 0 | return NJS_OK; |
5507 | 0 | } |
5508 | | |
5509 | 7.38k | return njs_parser_stack_pop(parser); |
5510 | 7.38k | } |
5511 | | |
5512 | | |
5513 | | static njs_int_t |
5514 | | njs_parser_for_expression_map_continue(njs_parser_t *parser, |
5515 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
5516 | 7.38k | { |
5517 | 7.38k | njs_int_t operation; |
5518 | 7.38k | njs_str_t *text; |
5519 | 7.38k | njs_parser_node_t *node; |
5520 | | |
5521 | 7.38k | if (token->type != NJS_TOKEN_IN) { |
5522 | 964 | njs_lexer_in_fail_set(parser->lexer, 1); |
5523 | | |
5524 | | /* Continue parsing of expr1 in "for (expr1;[expr2];[expr3])". */ |
5525 | | |
5526 | 964 | njs_parser_next(parser, njs_parser_expression_continue_op); |
5527 | | |
5528 | | /* |
5529 | | * Here we pass not a node, but a token, this is important. |
5530 | | * This is necessary for correct error output. |
5531 | | */ |
5532 | | |
5533 | 964 | text = njs_mp_alloc(parser->vm->mem_pool, sizeof(njs_str_t)); |
5534 | 964 | if (text == NULL) { |
5535 | 0 | return NJS_ERROR; |
5536 | 0 | } |
5537 | | |
5538 | 964 | *text = token->text; |
5539 | | |
5540 | 964 | return njs_parser_after(parser, current, text, 1, |
5541 | 964 | njs_parser_for_var_in_of_expression); |
5542 | | |
5543 | 6.42k | } else { |
5544 | | |
5545 | | /* for-in */ |
5546 | | |
5547 | 6.42k | if (parser->node->token_type != NJS_TOKEN_NAME && |
5548 | 6.42k | parser->node->token_type != NJS_TOKEN_PROPERTY) |
5549 | 0 | { |
5550 | 0 | text = (njs_str_t *) parser->target; |
5551 | |
|
5552 | 0 | njs_parser_ref_error(parser, "Invalid left-hand side \"%V\" " |
5553 | 0 | "in for-in statement", text); |
5554 | |
|
5555 | 0 | njs_mp_free(parser->vm->mem_pool, text); |
5556 | |
|
5557 | 0 | return NJS_DONE; |
5558 | 0 | } |
5559 | | |
5560 | 6.42k | operation = NJS_VMCODE_PROPERTY_IN; |
5561 | | |
5562 | 6.42k | node = njs_parser_node_new(parser, token->type); |
5563 | 6.42k | if (node == NULL) { |
5564 | 0 | return NJS_ERROR; |
5565 | 0 | } |
5566 | | |
5567 | 6.42k | node->token_line = token->line; |
5568 | 6.42k | node->u.operation = operation; |
5569 | 6.42k | node->left = parser->node; |
5570 | 6.42k | node->left->dest = node; |
5571 | | |
5572 | 6.42k | njs_lexer_consume_token(parser->lexer, 1); |
5573 | | |
5574 | 6.42k | njs_parser_next(parser, njs_parser_expression); |
5575 | | |
5576 | 6.42k | return njs_parser_after(parser, current, node, 0, |
5577 | 6.42k | njs_parser_for_in_statement_statement); |
5578 | 6.42k | } |
5579 | 7.38k | } |
5580 | | |
5581 | | |
5582 | | static njs_int_t |
5583 | | njs_parser_after_expr(njs_parser_t *parser, |
5584 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
5585 | 0 | { |
5586 | 0 | parser->target->right = parser->node; |
5587 | 0 | parser->node = parser->target; |
5588 | |
|
5589 | 0 | return njs_parser_stack_pop(parser); |
5590 | 0 | } |
5591 | | |
5592 | | |
5593 | | static njs_int_t |
5594 | | njs_parser_comma_expression_comma(njs_parser_t *parser, |
5595 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
5596 | 964 | { |
5597 | 964 | njs_parser_node_t *node; |
5598 | | |
5599 | 964 | if (parser->target != NULL) { |
5600 | 0 | parser->target->right = parser->node; |
5601 | 0 | parser->target->right->dest = parser->target; |
5602 | 0 | parser->node = parser->target; |
5603 | 0 | } |
5604 | | |
5605 | 964 | if (token->type != NJS_TOKEN_COMMA) { |
5606 | 964 | return njs_parser_stack_pop(parser); |
5607 | 964 | } |
5608 | | |
5609 | 0 | node = njs_parser_node_new(parser, NJS_TOKEN_COMMA); |
5610 | 0 | if (node == NULL) { |
5611 | 0 | return NJS_ERROR; |
5612 | 0 | } |
5613 | | |
5614 | 0 | node->token_line = token->line; |
5615 | 0 | node->u.operation = 0; |
5616 | 0 | node->left = parser->node; |
5617 | 0 | node->left->dest = node; |
5618 | |
|
5619 | 0 | njs_lexer_consume_token(parser->lexer, 1); |
5620 | |
|
5621 | 0 | njs_parser_next(parser, njs_parser_expression); |
5622 | |
|
5623 | 0 | return njs_parser_after(parser, current, node, 1, njs_parser_after_expr); |
5624 | 0 | } |
5625 | | |
5626 | | |
5627 | | static njs_int_t |
5628 | | njs_parser_expression_continue_op(njs_parser_t *parser, |
5629 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
5630 | 964 | { |
5631 | 964 | if (token->type == NJS_TOKEN_CONDITIONAL) { |
5632 | 0 | njs_parser_next(parser, njs_parser_conditional_question_mark); |
5633 | 0 | return njs_parser_after(parser, current, NULL, 0, |
5634 | 0 | njs_parser_expression_continue_assign_comma); |
5635 | 964 | } else { |
5636 | 964 | parser->target = NULL; |
5637 | | |
5638 | 964 | parser->use_lhs = 1; |
5639 | | |
5640 | 964 | njs_parser_next(parser, njs_parser_expression); |
5641 | | |
5642 | 964 | return njs_parser_after(parser, current, NULL, 1, |
5643 | 964 | njs_parser_comma_expression_comma); |
5644 | 964 | } |
5645 | 964 | } |
5646 | | |
5647 | | |
5648 | | static njs_int_t |
5649 | | njs_parser_expression_continue_assign_comma(njs_parser_t *parser, |
5650 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
5651 | 0 | { |
5652 | 0 | if (parser->ret != NJS_OK) { |
5653 | 0 | return njs_parser_failed(parser); |
5654 | 0 | } |
5655 | | |
5656 | 0 | njs_parser_next(parser, njs_parser_assignment_expression_after); |
5657 | |
|
5658 | 0 | return njs_parser_after(parser, current, NULL, 1, |
5659 | 0 | njs_parser_expression_comma); |
5660 | 0 | } |
5661 | | |
5662 | | |
5663 | | static njs_int_t |
5664 | | njs_parser_iteration_statement_for_map(njs_parser_t *parser, |
5665 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
5666 | 39.3k | { |
5667 | 39.3k | njs_int_t ret; |
5668 | 39.3k | njs_str_t *text; |
5669 | 39.3k | njs_token_type_t token_type; |
5670 | | |
5671 | | /* |
5672 | | * "var" <VariableDeclarationList> ";" <Expression>? ";" <Expression>? ")" |
5673 | | * <Statement> |
5674 | | * "var" <ForBinding> "in" <Expression> ")" <Statement> |
5675 | | * "var" <ForBinding> "of" <AssignmentExpression> ")" <Statement> |
5676 | | |
5677 | | * <ForDeclaration> "in" <Expression> ")" <Statement> |
5678 | | * <ForDeclaration> "of" <AssignmentExpression> ")" <Statement> |
5679 | | |
5680 | | * <Expression>? ";" <Expression>? ";" <Expression>? ")" <Statement> |
5681 | | * <LexicalDeclaration> <Expression>? ";" <Expression>? ")" <Statement> |
5682 | | |
5683 | | * <LeftHandSideExpression> "in" <Expression> ")" <Statement> |
5684 | | * <LeftHandSideExpression> "of" <AssignmentExpression> ")" <Statement> |
5685 | | */ |
5686 | | |
5687 | 39.3k | parser->node = NULL; |
5688 | | |
5689 | 39.3k | switch (token->type) { |
5690 | 29.0k | case NJS_TOKEN_SEMICOLON: |
5691 | 29.0k | token = njs_lexer_peek_token(parser->lexer, token, 0); |
5692 | 29.0k | if (token == NULL) { |
5693 | 0 | return NJS_ERROR; |
5694 | 0 | } |
5695 | | |
5696 | 29.0k | if (token->type != NJS_TOKEN_SEMICOLON) { |
5697 | 3.03k | njs_lexer_consume_token(parser->lexer, 1); |
5698 | | |
5699 | 3.03k | parser->target = NULL; |
5700 | | |
5701 | 3.03k | njs_parser_next(parser, njs_parser_expression); |
5702 | | |
5703 | 3.03k | return njs_parser_after(parser, current, NULL, 1, |
5704 | 3.03k | njs_parser_for_expression); |
5705 | 3.03k | } |
5706 | | |
5707 | 26.0k | parser->node = NULL; |
5708 | 26.0k | parser->target = NULL; |
5709 | | |
5710 | 26.0k | njs_lexer_consume_token(parser->lexer, 1); |
5711 | 26.0k | njs_parser_next(parser, njs_parser_for_expression); |
5712 | | |
5713 | 26.0k | return NJS_OK; |
5714 | | |
5715 | 1.17k | case NJS_TOKEN_VAR: |
5716 | 1.17k | case NJS_TOKEN_LET: |
5717 | 2.89k | case NJS_TOKEN_CONST: |
5718 | 2.89k | token_type = token->type; |
5719 | | |
5720 | 2.89k | token = njs_lexer_peek_token(parser->lexer, token, 0); |
5721 | 2.89k | if (token == NULL) { |
5722 | 0 | return NJS_ERROR; |
5723 | 0 | } |
5724 | | |
5725 | 2.89k | njs_lexer_consume_token(parser->lexer, 1); |
5726 | | |
5727 | 2.89k | ret = njs_parser_for_var_binding_or_var_list(parser, token, |
5728 | 2.89k | current, token_type); |
5729 | 2.89k | if (ret != NJS_OK) { |
5730 | 2.89k | if (ret == NJS_DONE) { |
5731 | 2.89k | return NJS_OK; |
5732 | 2.89k | } |
5733 | | |
5734 | 0 | return ret; |
5735 | 2.89k | } |
5736 | | |
5737 | 1 | goto expression_after; |
5738 | | |
5739 | 1 | case NJS_TOKEN_AWAIT: |
5740 | 0 | njs_parser_next(parser, njs_parser_expression); |
5741 | |
|
5742 | 0 | goto expression_after; |
5743 | | |
5744 | 7.38k | default: |
5745 | 7.38k | ret = njs_parser_match_arrow_expression(parser, token); |
5746 | 7.38k | if (ret == NJS_OK) { |
5747 | 0 | parser->target = NULL; |
5748 | 0 | njs_parser_next(parser, njs_parser_expression); |
5749 | 0 | goto expression_after; |
5750 | 7.38k | } else if (ret == NJS_ERROR) { |
5751 | 0 | return NJS_ERROR; |
5752 | 0 | } |
5753 | | |
5754 | 7.38k | parser->target = NULL; |
5755 | 7.38k | njs_parser_next(parser, njs_parser_left_hand_side_expression); |
5756 | | |
5757 | | /* |
5758 | | * Here we pass not a node, but a token, this is important. |
5759 | | * This is necessary for correct error output. |
5760 | | */ |
5761 | | |
5762 | 7.38k | text = njs_mp_alloc(parser->vm->mem_pool, sizeof(njs_str_t)); |
5763 | 7.38k | if (text == NULL) { |
5764 | 0 | return NJS_ERROR; |
5765 | 0 | } |
5766 | | |
5767 | 7.38k | *text = token->text; |
5768 | | |
5769 | 7.38k | ret = njs_parser_after(parser, current, text, 0, |
5770 | 7.38k | njs_parser_for_expression_map_reparse); |
5771 | 7.38k | if (ret != NJS_OK) { |
5772 | 0 | return NJS_ERROR; |
5773 | 0 | } |
5774 | | |
5775 | 7.38k | return njs_parser_after(parser, current, text, 1, |
5776 | 39.3k | njs_parser_for_expression_map_continue); |
5777 | 39.3k | } |
5778 | | |
5779 | 1 | expression_after: |
5780 | | |
5781 | | /* |
5782 | | * Here we pass not a node, but a token, this is important. |
5783 | | * This is necessary for correct error output. |
5784 | | */ |
5785 | | |
5786 | 1 | text = njs_mp_alloc(parser->vm->mem_pool, sizeof(njs_str_t)); |
5787 | 1 | if (text == NULL) { |
5788 | 0 | return NJS_ERROR; |
5789 | 0 | } |
5790 | | |
5791 | 1 | *text = token->text; |
5792 | | |
5793 | 1 | return njs_parser_after(parser, current, text, 1, |
5794 | 1 | njs_parser_for_var_in_of_expression); |
5795 | 1 | } |
5796 | | |
5797 | | |
5798 | | static njs_int_t |
5799 | | njs_parser_for_var_binding_or_var_list(njs_parser_t *parser, |
5800 | | njs_lexer_token_t *token, njs_queue_link_t *current, |
5801 | | njs_token_type_t token_type) |
5802 | 2.89k | { |
5803 | 2.89k | njs_int_t ret; |
5804 | 2.89k | njs_lexer_token_t *next; |
5805 | 2.89k | njs_parser_node_t *node, *var, *node_type, *statement; |
5806 | 2.89k | njs_variable_type_t type; |
5807 | | |
5808 | 2.89k | switch (token_type) { |
5809 | 0 | case NJS_TOKEN_LET: |
5810 | 0 | type = NJS_VARIABLE_LET; |
5811 | 0 | break; |
5812 | | |
5813 | 1.72k | case NJS_TOKEN_CONST: |
5814 | 1.72k | type = NJS_VARIABLE_CONST; |
5815 | 1.72k | break; |
5816 | | |
5817 | 1.17k | default: |
5818 | 1.17k | type = NJS_VARIABLE_VAR; |
5819 | 1.17k | break; |
5820 | 2.89k | } |
5821 | | |
5822 | 2.89k | switch (token->type) { |
5823 | | /* BindingPattern */ |
5824 | 0 | case NJS_TOKEN_OPEN_BRACE: |
5825 | 0 | njs_parser_next(parser, njs_parser_object_binding_pattern); |
5826 | 0 | return NJS_DONE; |
5827 | | |
5828 | 0 | case NJS_TOKEN_OPEN_BRACKET: |
5829 | 0 | njs_parser_next(parser, njs_parser_array_binding_pattern); |
5830 | 0 | return NJS_DONE; |
5831 | | |
5832 | 2.89k | default: |
5833 | 2.89k | if (njs_lexer_token_is_binding_identifier(token)) { |
5834 | 2.89k | if (njs_parser_restricted_identifier(token->type)) { |
5835 | 0 | njs_parser_syntax_error(parser, "Identifier \"%V\" is forbidden" |
5836 | 0 | " in var declaration", &token->text); |
5837 | 0 | return NJS_DONE; |
5838 | 0 | } |
5839 | | |
5840 | 2.89k | next = njs_lexer_peek_token(parser->lexer, token, 0); |
5841 | 2.89k | if (next == NULL) { |
5842 | 0 | return NJS_ERROR; |
5843 | 0 | } |
5844 | | |
5845 | 2.89k | if (next->type != NJS_TOKEN_IN) { |
5846 | 1 | parser->var_type = type; |
5847 | | |
5848 | 1 | njs_lexer_in_fail_set(parser->lexer, 1); |
5849 | | |
5850 | 1 | njs_parser_next(parser, njs_parser_variable_declaration_list); |
5851 | 1 | return NJS_OK; |
5852 | 1 | } |
5853 | | |
5854 | 2.89k | statement = njs_parser_node_new(parser, NJS_TOKEN_STATEMENT); |
5855 | 2.89k | if (njs_slow_path(statement == NULL)) { |
5856 | 0 | return NJS_ERROR; |
5857 | 0 | } |
5858 | | |
5859 | 2.89k | node_type = njs_parser_node_new(parser, token_type); |
5860 | 2.89k | if (njs_slow_path(node_type == NULL)) { |
5861 | 0 | return NJS_ERROR; |
5862 | 0 | } |
5863 | | |
5864 | 2.89k | var = njs_parser_variable_node(parser, token->unique_id, |
5865 | 2.89k | type, NULL); |
5866 | 2.89k | if (var == NULL) { |
5867 | 0 | return NJS_ERROR; |
5868 | 0 | } |
5869 | | |
5870 | 2.89k | node_type->token_line = token->line; |
5871 | 2.89k | var->token_line = token->line; |
5872 | | |
5873 | 2.89k | statement->right = node_type; |
5874 | 2.89k | node_type->left = var; |
5875 | 2.89k | parser->node = NULL; |
5876 | | |
5877 | 2.89k | node = njs_parser_node_new(parser, NJS_TOKEN_IN); |
5878 | 2.89k | if (node == NULL) { |
5879 | 0 | return NJS_ERROR; |
5880 | 0 | } |
5881 | | |
5882 | 2.89k | node->token_line = next->line; |
5883 | 2.89k | node->left = statement; |
5884 | | |
5885 | 2.89k | njs_parser_next(parser, njs_parser_expression); |
5886 | | |
5887 | 2.89k | ret = njs_parser_after(parser, current, node, 1, |
5888 | 2.89k | njs_parser_for_var_in_statement); |
5889 | 2.89k | if (ret != NJS_OK) { |
5890 | 0 | return NJS_ERROR; |
5891 | 0 | } |
5892 | | |
5893 | 2.89k | njs_lexer_consume_token(parser->lexer, 2); |
5894 | | |
5895 | 2.89k | return NJS_DONE; |
5896 | | |
5897 | 2.89k | } else { |
5898 | 0 | return njs_parser_failed(parser); |
5899 | 0 | } |
5900 | 2.89k | } |
5901 | 2.89k | } |
5902 | | |
5903 | | |
5904 | | static njs_int_t |
5905 | | njs_parser_for_var_in_statement(njs_parser_t *parser, njs_lexer_token_t *token, |
5906 | | njs_queue_link_t *current) |
5907 | 2.88k | { |
5908 | 2.88k | if (token->type != NJS_TOKEN_CLOSE_PARENTHESIS) { |
5909 | 0 | return njs_parser_failed(parser); |
5910 | 0 | } |
5911 | | |
5912 | 2.88k | njs_lexer_consume_token(parser->lexer, 1); |
5913 | | |
5914 | 2.88k | parser->target->right = parser->node; |
5915 | 2.88k | parser->node = NULL; |
5916 | | |
5917 | 2.88k | njs_parser_next(parser, njs_parser_statement_wo_node); |
5918 | | |
5919 | 2.88k | return njs_parser_after(parser, current, parser->target, 1, |
5920 | 2.88k | njs_parser_for_var_in_statement_after); |
5921 | 2.88k | } |
5922 | | |
5923 | | |
5924 | | static njs_int_t |
5925 | | njs_parser_for_var_in_statement_after(njs_parser_t *parser, |
5926 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
5927 | 2.87k | { |
5928 | 2.87k | njs_parser_node_t *foreach; |
5929 | | |
5930 | 2.87k | foreach = njs_parser_node_new(parser, NJS_TOKEN_FOR_IN); |
5931 | 2.87k | if (foreach == NULL) { |
5932 | 0 | return NJS_ERROR; |
5933 | 0 | } |
5934 | | |
5935 | 2.87k | foreach->left = parser->target; |
5936 | 2.87k | foreach->right = parser->node; |
5937 | | |
5938 | 2.87k | parser->node = foreach; |
5939 | | |
5940 | 2.87k | return njs_parser_stack_pop(parser); |
5941 | 2.87k | } |
5942 | | |
5943 | | |
5944 | | static njs_int_t |
5945 | | njs_parser_for_var_in_of_expression(njs_parser_t *parser, |
5946 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
5947 | 964 | { |
5948 | 964 | njs_str_t *text; |
5949 | 964 | njs_parser_node_t *node; |
5950 | | |
5951 | | /* |
5952 | | * ";" <Expression>? ";" <Expression>? ")" <Statement> |
5953 | | * "in" <Expression> ")" <Statement> |
5954 | | * "of" <AssignmentExpression> ")" <Statement> |
5955 | | */ |
5956 | | |
5957 | 964 | if (token->type != NJS_TOKEN_SEMICOLON && |
5958 | 964 | token->type != NJS_TOKEN_CLOSE_PARENTHESIS && |
5959 | 964 | parser->node != NULL && parser->node->token_type == NJS_TOKEN_IN) |
5960 | 0 | { |
5961 | 0 | node = parser->node->left; |
5962 | |
|
5963 | 0 | if (node->token_type != NJS_TOKEN_NAME && |
5964 | 0 | node->token_type != NJS_TOKEN_PROPERTY) |
5965 | 0 | { |
5966 | |
|
5967 | 0 | text = (njs_str_t *) parser->target; |
5968 | |
|
5969 | 0 | njs_parser_ref_error(parser, "Invalid left-hand side \"%V\" " |
5970 | 0 | "in for-in statement", text); |
5971 | |
|
5972 | 0 | njs_mp_free(parser->vm->mem_pool, text); |
5973 | |
|
5974 | 0 | return NJS_DONE; |
5975 | 0 | } |
5976 | | |
5977 | 0 | njs_parser_next(parser, njs_parser_for_in_statement); |
5978 | 0 | return NJS_OK; |
5979 | 0 | } |
5980 | | |
5981 | 964 | if (parser->target != NULL) { |
5982 | 964 | text = (njs_str_t *) parser->target; |
5983 | | |
5984 | 964 | njs_mp_free(parser->vm->mem_pool, text); |
5985 | 964 | } |
5986 | | |
5987 | 964 | switch (token->type) { |
5988 | 964 | case NJS_TOKEN_SEMICOLON: |
5989 | 964 | njs_lexer_in_fail_set(parser->lexer, 0); |
5990 | | |
5991 | 964 | token = njs_lexer_peek_token(parser->lexer, token, 0); |
5992 | 964 | if (token == NULL) { |
5993 | 0 | return NJS_ERROR; |
5994 | 0 | } |
5995 | | |
5996 | 964 | node = parser->node; |
5997 | 964 | parser->node = NULL; |
5998 | | |
5999 | 964 | if (token->type != NJS_TOKEN_SEMICOLON) { |
6000 | 964 | njs_lexer_consume_token(parser->lexer, 1); |
6001 | | |
6002 | 964 | njs_parser_next(parser, njs_parser_expression); |
6003 | | |
6004 | 964 | return njs_parser_after(parser, current, node, 1, |
6005 | 964 | njs_parser_for_expression); |
6006 | 964 | } |
6007 | | |
6008 | 0 | parser->target = node; |
6009 | |
|
6010 | 0 | njs_lexer_consume_token(parser->lexer, 1); |
6011 | 0 | njs_parser_next(parser, njs_parser_for_expression); |
6012 | |
|
6013 | 0 | return NJS_OK; |
6014 | | |
6015 | 0 | case NJS_TOKEN_OF: |
6016 | 0 | return njs_parser_not_supported(parser, token); |
6017 | | |
6018 | 0 | default: |
6019 | 0 | return njs_parser_failed(parser); |
6020 | 964 | } |
6021 | 964 | } |
6022 | | |
6023 | | |
6024 | | static njs_int_t |
6025 | | njs_parser_for_in_statement(njs_parser_t *parser, njs_lexer_token_t *token, |
6026 | | njs_queue_link_t *current) |
6027 | 0 | { |
6028 | 0 | njs_parser_node_t *node, *forin; |
6029 | |
|
6030 | 0 | if (token->type != NJS_TOKEN_CLOSE_PARENTHESIS) { |
6031 | 0 | return njs_parser_failed(parser); |
6032 | 0 | } |
6033 | | |
6034 | 0 | njs_lexer_consume_token(parser->lexer, 1); |
6035 | |
|
6036 | 0 | node = parser->node; |
6037 | |
|
6038 | 0 | if (node->right != NULL && node->right->token_type == NJS_TOKEN_VAR) { |
6039 | 0 | return NJS_ERROR; |
6040 | 0 | } |
6041 | | |
6042 | 0 | forin = njs_parser_node_new(parser, NJS_TOKEN_FOR_IN); |
6043 | 0 | if (forin == NULL) { |
6044 | 0 | return NJS_ERROR; |
6045 | 0 | } |
6046 | | |
6047 | 0 | forin->left = parser->node; |
6048 | |
|
6049 | 0 | parser->node = NULL; |
6050 | |
|
6051 | 0 | njs_parser_next(parser, njs_parser_statement_wo_node); |
6052 | |
|
6053 | 0 | return njs_parser_after(parser, current, forin, 1, |
6054 | 0 | njs_parser_for_in_statement_after); |
6055 | 0 | } |
6056 | | |
6057 | | |
6058 | | static njs_int_t |
6059 | | njs_parser_for_in_statement_statement(njs_parser_t *parser, |
6060 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
6061 | 6.41k | { |
6062 | 6.41k | njs_parser_node_t *forin; |
6063 | | |
6064 | 6.41k | if (parser->ret != NJS_OK || token->type != NJS_TOKEN_CLOSE_PARENTHESIS) { |
6065 | 1 | return njs_parser_failed(parser); |
6066 | 1 | } |
6067 | | |
6068 | 6.41k | njs_lexer_consume_token(parser->lexer, 1); |
6069 | | |
6070 | 6.41k | parser->target->right = parser->node; |
6071 | | |
6072 | 6.41k | forin = njs_parser_node_new(parser, NJS_TOKEN_FOR_IN); |
6073 | 6.41k | if (forin == NULL) { |
6074 | 0 | return NJS_ERROR; |
6075 | 0 | } |
6076 | | |
6077 | 6.41k | forin->left = parser->target; |
6078 | | |
6079 | 6.41k | parser->node = NULL; |
6080 | | |
6081 | 6.41k | njs_parser_next(parser, njs_parser_statement_wo_node); |
6082 | | |
6083 | 6.41k | return njs_parser_after(parser, current, forin, 1, |
6084 | 6.41k | njs_parser_for_in_statement_after); |
6085 | 6.41k | } |
6086 | | |
6087 | | |
6088 | | static njs_int_t |
6089 | | njs_parser_for_in_statement_after(njs_parser_t *parser, |
6090 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
6091 | 6.02k | { |
6092 | 6.02k | parser->target->right = parser->node; |
6093 | 6.02k | parser->node = parser->target; |
6094 | | |
6095 | 6.02k | return njs_parser_stack_pop(parser); |
6096 | 6.02k | } |
6097 | | |
6098 | | |
6099 | | static njs_int_t |
6100 | | njs_parser_for_expression(njs_parser_t *parser, njs_lexer_token_t *token, |
6101 | | njs_queue_link_t *current) |
6102 | 30.0k | { |
6103 | 30.0k | njs_parser_node_t *body, *cond, *for_node; |
6104 | | |
6105 | 30.0k | if (token->type != NJS_TOKEN_SEMICOLON) { |
6106 | 2.15k | return njs_parser_failed(parser); |
6107 | 2.15k | } |
6108 | | |
6109 | 27.8k | njs_lexer_consume_token(parser->lexer, 1); |
6110 | | |
6111 | 27.8k | for_node = njs_parser_node_new(parser, NJS_TOKEN_FOR); |
6112 | 27.8k | if (for_node == NULL) { |
6113 | 0 | return NJS_ERROR; |
6114 | 0 | } |
6115 | | |
6116 | 27.8k | cond = njs_parser_node_new(parser, 0); |
6117 | 27.8k | if (cond == NULL) { |
6118 | 0 | return NJS_ERROR; |
6119 | 0 | } |
6120 | | |
6121 | 27.8k | body = njs_parser_node_new(parser, 0); |
6122 | 27.8k | if (body == NULL) { |
6123 | 0 | return NJS_ERROR; |
6124 | 0 | } |
6125 | | |
6126 | 27.8k | for_node->left = parser->target; |
6127 | 27.8k | for_node->right = cond; |
6128 | | |
6129 | 27.8k | cond->left = parser->node; |
6130 | 27.8k | cond->right = body; |
6131 | | |
6132 | 27.8k | parser->node = NULL; |
6133 | | |
6134 | 27.8k | token = njs_lexer_token(parser->lexer, 0); |
6135 | 27.8k | if (token == NULL) { |
6136 | 0 | return NJS_ERROR; |
6137 | 0 | } |
6138 | | |
6139 | 27.8k | if (token->type == NJS_TOKEN_CLOSE_PARENTHESIS) { |
6140 | 3.98k | parser->target = for_node; |
6141 | | |
6142 | 3.98k | njs_parser_next(parser, njs_parser_for_expression_end); |
6143 | | |
6144 | 3.98k | return NJS_OK; |
6145 | 3.98k | } |
6146 | | |
6147 | 23.9k | njs_parser_next(parser, njs_parser_expression); |
6148 | | |
6149 | 23.9k | return njs_parser_after(parser, current, for_node, 1, |
6150 | 27.8k | njs_parser_for_expression_end); |
6151 | 27.8k | } |
6152 | | |
6153 | | |
6154 | | static njs_int_t |
6155 | | njs_parser_for_expression_end(njs_parser_t *parser, njs_lexer_token_t *token, |
6156 | | njs_queue_link_t *current) |
6157 | 26.6k | { |
6158 | 26.6k | njs_parser_node_t *body; |
6159 | | |
6160 | 26.6k | if (token->type != NJS_TOKEN_CLOSE_PARENTHESIS) { |
6161 | 259 | return njs_parser_failed(parser); |
6162 | 259 | } |
6163 | | |
6164 | 26.3k | njs_lexer_consume_token(parser->lexer, 1); |
6165 | | |
6166 | 26.3k | body = parser->target->right->right; |
6167 | | |
6168 | 26.3k | body->right = parser->node; |
6169 | | |
6170 | 26.3k | parser->node = NULL; |
6171 | | |
6172 | 26.3k | njs_parser_next(parser, njs_parser_statement_wo_node); |
6173 | | |
6174 | 26.3k | return njs_parser_after(parser, current, parser->target, 1, |
6175 | 26.6k | njs_parser_for_end); |
6176 | 26.6k | } |
6177 | | |
6178 | | |
6179 | | static njs_int_t |
6180 | | njs_parser_for_end(njs_parser_t *parser, njs_lexer_token_t *token, |
6181 | | njs_queue_link_t *current) |
6182 | 24.8k | { |
6183 | 24.8k | njs_parser_node_t *body; |
6184 | | |
6185 | 24.8k | body = parser->target->right->right; |
6186 | | |
6187 | 24.8k | body->left = parser->node; |
6188 | 24.8k | parser->node = parser->target; |
6189 | | |
6190 | 24.8k | return njs_parser_stack_pop(parser); |
6191 | 24.8k | } |
6192 | | |
6193 | | |
6194 | | /* |
6195 | | * 13.8 continue Statement. |
6196 | | */ |
6197 | | static njs_int_t |
6198 | | njs_parser_continue_statement(njs_parser_t *parser, njs_lexer_token_t *token, |
6199 | | njs_queue_link_t *current) |
6200 | 0 | { |
6201 | 0 | return njs_parser_break_continue(parser, token, NJS_TOKEN_CONTINUE); |
6202 | 0 | } |
6203 | | |
6204 | | |
6205 | | /* |
6206 | | * 13.9 break Statement. |
6207 | | */ |
6208 | | static njs_int_t |
6209 | | njs_parser_break_statement(njs_parser_t *parser, njs_lexer_token_t *token, |
6210 | | njs_queue_link_t *current) |
6211 | 32.7k | { |
6212 | 32.7k | return njs_parser_break_continue(parser, token, NJS_TOKEN_BREAK); |
6213 | 32.7k | } |
6214 | | |
6215 | | |
6216 | | static njs_int_t |
6217 | | njs_parser_break_continue(njs_parser_t *parser, njs_lexer_token_t *token, |
6218 | | njs_token_type_t type) |
6219 | 32.7k | { |
6220 | 32.7k | njs_int_t ret; |
6221 | | |
6222 | 32.7k | parser->node = njs_parser_node_new(parser, type); |
6223 | 32.7k | if (parser->node == NULL) { |
6224 | 0 | return NJS_ERROR; |
6225 | 0 | } |
6226 | | |
6227 | 32.7k | parser->node->token_line = parser->line; |
6228 | | |
6229 | 32.7k | switch (token->type) { |
6230 | 203 | case NJS_TOKEN_SEMICOLON: |
6231 | 203 | break; |
6232 | | |
6233 | 0 | case NJS_TOKEN_LINE_END: |
6234 | 0 | return njs_parser_failed(parser); |
6235 | | |
6236 | 32.5k | default: |
6237 | 32.5k | if (njs_lexer_token_is_label_identifier(token)) { |
6238 | 192 | if (parser->lexer->prev_type == NJS_TOKEN_LINE_END) { |
6239 | 0 | return njs_parser_stack_pop(parser); |
6240 | 0 | } |
6241 | | |
6242 | 192 | if (njs_label_find(parser->vm, parser->scope, |
6243 | 192 | token->unique_id) == NULL) |
6244 | 0 | { |
6245 | 0 | njs_parser_syntax_error(parser, "Undefined label \"%V\"", |
6246 | 0 | &token->text); |
6247 | 0 | return NJS_DONE; |
6248 | 0 | } |
6249 | | |
6250 | 192 | ret = njs_name_copy(parser->vm, &parser->node->name, &token->text); |
6251 | 192 | if (ret != NJS_OK) { |
6252 | 0 | return NJS_ERROR; |
6253 | 0 | } |
6254 | | |
6255 | 192 | break; |
6256 | 192 | } |
6257 | | |
6258 | 32.3k | if (parser->strict_semicolon |
6259 | 32.3k | || (token->type != NJS_TOKEN_END |
6260 | 32.3k | && token->type != NJS_TOKEN_CLOSE_BRACE |
6261 | 32.3k | && parser->lexer->prev_type != NJS_TOKEN_LINE_END)) |
6262 | 3.40k | { |
6263 | 3.40k | return njs_parser_failed(parser); |
6264 | 3.40k | } |
6265 | | |
6266 | 28.9k | return njs_parser_stack_pop(parser); |
6267 | 32.7k | } |
6268 | | |
6269 | 395 | njs_lexer_consume_token(parser->lexer, 1); |
6270 | | |
6271 | 395 | return njs_parser_stack_pop(parser); |
6272 | 32.7k | } |
6273 | | |
6274 | | |
6275 | | /* |
6276 | | * 13.10 return Statement. |
6277 | | */ |
6278 | | static njs_int_t |
6279 | | njs_parser_return_statement(njs_parser_t *parser, njs_lexer_token_t *token, |
6280 | | njs_queue_link_t *current) |
6281 | 1.87k | { |
6282 | 1.87k | njs_parser_node_t *node; |
6283 | 1.87k | njs_parser_scope_t *scope; |
6284 | | |
6285 | 1.87k | for (scope = parser->scope; |
6286 | 4.04k | scope != NULL; |
6287 | 2.16k | scope = scope->parent) |
6288 | 4.04k | { |
6289 | 4.04k | if (scope->type == NJS_SCOPE_FUNCTION) { |
6290 | 1.87k | break; |
6291 | 1.87k | } |
6292 | | |
6293 | 2.16k | if (scope->parent == NULL) { |
6294 | 0 | njs_parser_syntax_error(parser, "Illegal return statement"); |
6295 | 0 | return NJS_ERROR; |
6296 | 0 | } |
6297 | 2.16k | } |
6298 | | |
6299 | 1.87k | node = njs_parser_node_new(parser, NJS_TOKEN_RETURN); |
6300 | 1.87k | if (njs_slow_path(node == NULL)) { |
6301 | 0 | return NJS_ERROR; |
6302 | 0 | } |
6303 | | |
6304 | 1.87k | node->token_line = parser->line; |
6305 | | |
6306 | 1.87k | switch (token->type) { |
6307 | 0 | case NJS_TOKEN_SEMICOLON: |
6308 | 0 | njs_lexer_consume_token(parser->lexer, 1); |
6309 | 0 | break; |
6310 | | |
6311 | 0 | case NJS_TOKEN_LINE_END: |
6312 | 0 | return njs_parser_failed(parser); |
6313 | | |
6314 | 1.87k | default: |
6315 | 1.87k | if (!parser->strict_semicolon |
6316 | 1.87k | && parser->lexer->prev_type == NJS_TOKEN_LINE_END) |
6317 | 0 | { |
6318 | 0 | break; |
6319 | 0 | } |
6320 | | |
6321 | 1.87k | parser->node = NULL; |
6322 | | |
6323 | 1.87k | if (token->type != NJS_TOKEN_CLOSE_BRACE) { |
6324 | 1.87k | njs_parser_next(parser, njs_parser_expression); |
6325 | | |
6326 | 1.87k | return njs_parser_after(parser, current, node, 0, |
6327 | 1.87k | njs_parser_return_statement_after); |
6328 | 1.87k | } |
6329 | 1.87k | } |
6330 | | |
6331 | 4 | parser->node = node; |
6332 | | |
6333 | 4 | return njs_parser_stack_pop(parser); |
6334 | 1.87k | } |
6335 | | |
6336 | | |
6337 | | static njs_int_t |
6338 | | njs_parser_return_statement_after(njs_parser_t *parser, |
6339 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
6340 | 1.87k | { |
6341 | 1.87k | if (parser->ret != NJS_OK) { |
6342 | 0 | njs_parser_syntax_error(parser, "Unexpected token \"%V\"", |
6343 | 0 | &token->text); |
6344 | 0 | return NJS_DONE; |
6345 | 0 | } |
6346 | | |
6347 | 1.87k | if (njs_parser_expect_semicolon(parser, token) != NJS_OK) { |
6348 | 0 | return njs_parser_failed(parser); |
6349 | 0 | } |
6350 | | |
6351 | 1.87k | parser->target->right = parser->node; |
6352 | 1.87k | parser->node = parser->target; |
6353 | | |
6354 | 1.87k | return njs_parser_stack_pop(parser); |
6355 | 1.87k | } |
6356 | | |
6357 | | |
6358 | | /* |
6359 | | * 13.11 with Statement |
6360 | | */ |
6361 | | static njs_int_t |
6362 | | njs_parser_with_statement(njs_parser_t *parser, njs_lexer_token_t *token, |
6363 | | njs_queue_link_t *current) |
6364 | 0 | { |
6365 | 0 | return njs_parser_not_supported(parser, token); |
6366 | 0 | } |
6367 | | |
6368 | | |
6369 | | /* |
6370 | | * 13.12 switch Statement |
6371 | | */ |
6372 | | static njs_int_t |
6373 | | njs_parser_switch_statement(njs_parser_t *parser, njs_lexer_token_t *token, |
6374 | | njs_queue_link_t *current) |
6375 | 234 | { |
6376 | 234 | njs_int_t ret; |
6377 | 234 | njs_parser_node_t *swtch; |
6378 | | |
6379 | 234 | swtch = njs_parser_node_new(parser, NJS_TOKEN_SWITCH); |
6380 | 234 | if (swtch == NULL) { |
6381 | 0 | return NJS_ERROR; |
6382 | 0 | } |
6383 | | |
6384 | 234 | swtch->token_line = parser->line; |
6385 | | |
6386 | 234 | njs_parser_next(parser, njs_parser_expression_parenthesis); |
6387 | | |
6388 | 234 | ret = njs_parser_after(parser, current, swtch, 1, |
6389 | 234 | njs_parser_switch_block); |
6390 | 234 | if (ret != NJS_OK) { |
6391 | 0 | return ret; |
6392 | 0 | } |
6393 | | |
6394 | 234 | return njs_parser_after(parser, current, swtch, 1, |
6395 | 234 | njs_parser_switch_statement_after); |
6396 | 234 | } |
6397 | | |
6398 | | |
6399 | | static njs_int_t |
6400 | | njs_parser_switch_statement_after(njs_parser_t *parser, |
6401 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
6402 | 232 | { |
6403 | 232 | parser->node = parser->target; |
6404 | | |
6405 | 232 | return njs_parser_stack_pop(parser); |
6406 | 232 | } |
6407 | | |
6408 | | |
6409 | | static njs_int_t |
6410 | | njs_parser_switch_block(njs_parser_t *parser, njs_lexer_token_t *token, |
6411 | | njs_queue_link_t *current) |
6412 | 234 | { |
6413 | 234 | njs_int_t ret; |
6414 | | |
6415 | 234 | if (token->type != NJS_TOKEN_OPEN_BRACE) { |
6416 | 0 | return njs_parser_failed(parser); |
6417 | 0 | } |
6418 | | |
6419 | 234 | njs_lexer_consume_token(parser->lexer, 1); |
6420 | | |
6421 | 234 | parser->target->left = parser->node; |
6422 | | |
6423 | 234 | ret = njs_parser_scope_begin(parser, NJS_SCOPE_BLOCK, 0); |
6424 | 234 | if (ret != NJS_OK) { |
6425 | 0 | return NJS_ERROR; |
6426 | 0 | } |
6427 | | |
6428 | 234 | njs_parser_next(parser, njs_parser_switch_case); |
6429 | | |
6430 | 234 | return njs_parser_after(parser, current, NULL, 1, |
6431 | 234 | njs_parser_switch_block_after); |
6432 | 234 | } |
6433 | | |
6434 | | static njs_int_t |
6435 | | njs_parser_switch_block_after(njs_parser_t *parser, njs_lexer_token_t *token, |
6436 | | njs_queue_link_t *current) |
6437 | 232 | { |
6438 | 232 | njs_parser_scope_end(parser); |
6439 | | |
6440 | 232 | return njs_parser_stack_pop(parser); |
6441 | 232 | } |
6442 | | |
6443 | | |
6444 | | static njs_int_t |
6445 | | njs_parser_switch_case(njs_parser_t *parser, njs_lexer_token_t *token, |
6446 | | njs_queue_link_t *current) |
6447 | 515 | { |
6448 | 515 | return njs_parser_switch_case_def(parser, token, current, 1); |
6449 | 515 | } |
6450 | | |
6451 | | |
6452 | | static njs_int_t |
6453 | | njs_parser_switch_case_wo_def(njs_parser_t *parser, njs_lexer_token_t *token, |
6454 | | njs_queue_link_t *current) |
6455 | 0 | { |
6456 | 0 | return njs_parser_switch_case_def(parser, token, current, 0); |
6457 | 0 | } |
6458 | | |
6459 | | |
6460 | | static njs_int_t |
6461 | | njs_parser_switch_case_def(njs_parser_t *parser, njs_lexer_token_t *token, |
6462 | | njs_queue_link_t *current, njs_bool_t with_default) |
6463 | 515 | { |
6464 | 515 | njs_parser_node_t *node, *branch; |
6465 | | |
6466 | 515 | node = njs_parser_node_new(parser, 0); |
6467 | 515 | if (node == NULL) { |
6468 | 0 | return NJS_ERROR; |
6469 | 0 | } |
6470 | | |
6471 | 515 | parser->node = NULL; |
6472 | | |
6473 | 515 | switch (token->type) { |
6474 | 283 | case NJS_TOKEN_CASE: |
6475 | 283 | branch = njs_parser_node_new(parser, 0); |
6476 | 283 | if (branch == NULL) { |
6477 | 0 | return NJS_ERROR; |
6478 | 0 | } |
6479 | | |
6480 | 283 | branch->token_line = token->line; |
6481 | 283 | branch->right = node; |
6482 | | |
6483 | 283 | njs_parser_next(parser, njs_parser_expression); |
6484 | | |
6485 | 283 | njs_lexer_consume_token(parser->lexer, 1); |
6486 | | |
6487 | 283 | if (parser->target->token_type == NJS_TOKEN_SWITCH) { |
6488 | 234 | parser->target->right = branch; |
6489 | | |
6490 | 234 | } else { |
6491 | 49 | parser->target->left = branch; |
6492 | 49 | } |
6493 | | |
6494 | 283 | if (with_default) { |
6495 | 283 | return njs_parser_after(parser, current, branch, 1, |
6496 | 283 | njs_parser_switch_case_after); |
6497 | | |
6498 | 283 | } else { |
6499 | 0 | return njs_parser_after(parser, current, branch, 1, |
6500 | 0 | njs_parser_switch_case_after_wo_def); |
6501 | 0 | } |
6502 | | |
6503 | 0 | case NJS_TOKEN_DEFAULT: |
6504 | 0 | if (!with_default) { |
6505 | 0 | njs_parser_syntax_error(parser, "More than one default clause " |
6506 | 0 | "in switch statement"); |
6507 | 0 | return NJS_DONE; |
6508 | 0 | } |
6509 | | |
6510 | 0 | if (parser->target->token_type == NJS_TOKEN_SWITCH) { |
6511 | 0 | parser->target->right = node; |
6512 | |
|
6513 | 0 | } else { |
6514 | 0 | parser->target->left = node; |
6515 | 0 | } |
6516 | |
|
6517 | 0 | node->token_line = token->line; |
6518 | 0 | node->token_type = NJS_TOKEN_DEFAULT; |
6519 | |
|
6520 | 0 | parser->target = node; |
6521 | |
|
6522 | 0 | njs_lexer_consume_token(parser->lexer, 1); |
6523 | 0 | njs_parser_next(parser, njs_parser_switch_case_after_wo_def); |
6524 | |
|
6525 | 0 | break; |
6526 | | |
6527 | 232 | case NJS_TOKEN_CLOSE_BRACE: |
6528 | 232 | njs_lexer_consume_token(parser->lexer, 1); |
6529 | 232 | return njs_parser_stack_pop(parser); |
6530 | | |
6531 | 0 | default: |
6532 | 0 | return njs_parser_failed(parser); |
6533 | 515 | } |
6534 | | |
6535 | 0 | return NJS_OK; |
6536 | 515 | } |
6537 | | |
6538 | | |
6539 | | static njs_int_t |
6540 | | njs_parser_switch_case_after(njs_parser_t *parser, njs_lexer_token_t *token, |
6541 | | njs_queue_link_t *current) |
6542 | 283 | { |
6543 | 283 | if (token->type != NJS_TOKEN_COLON) { |
6544 | 0 | return njs_parser_failed(parser); |
6545 | 0 | } |
6546 | | |
6547 | 283 | njs_lexer_consume_token(parser->lexer, 1); |
6548 | | |
6549 | 283 | parser->target->right->left = parser->node; |
6550 | 283 | parser->node = NULL; |
6551 | | |
6552 | 283 | token = njs_lexer_token(parser->lexer, 0); |
6553 | 283 | if (token == NULL) { |
6554 | 0 | return NJS_ERROR; |
6555 | 0 | } |
6556 | | |
6557 | 283 | switch (token->type) { |
6558 | 49 | case NJS_TOKEN_CASE: |
6559 | 49 | case NJS_TOKEN_DEFAULT: |
6560 | 49 | case NJS_TOKEN_CLOSE_BRACE: |
6561 | 49 | njs_parser_next(parser, njs_parser_switch_case_block); |
6562 | 49 | return NJS_OK; |
6563 | | |
6564 | 234 | default: |
6565 | 234 | njs_parser_next(parser, njs_parser_statement_list); |
6566 | 234 | break; |
6567 | 283 | } |
6568 | | |
6569 | 234 | return njs_parser_after(parser, current, parser->target, 1, |
6570 | 283 | njs_parser_switch_case_block); |
6571 | 283 | } |
6572 | | |
6573 | | |
6574 | | static njs_int_t |
6575 | | njs_parser_switch_case_block(njs_parser_t *parser, njs_lexer_token_t *token, |
6576 | | njs_queue_link_t *current) |
6577 | 283 | { |
6578 | 283 | parser->target->right->right = parser->node; |
6579 | | |
6580 | 283 | if (parser->ret != NJS_OK && parser->target->scope != parser->scope) { |
6581 | 2 | return njs_parser_failed(parser); |
6582 | 2 | } |
6583 | | |
6584 | 281 | njs_parser_next(parser, njs_parser_switch_case); |
6585 | | |
6586 | 281 | return NJS_OK; |
6587 | 283 | } |
6588 | | |
6589 | | |
6590 | | static njs_int_t |
6591 | | njs_parser_switch_case_after_wo_def(njs_parser_t *parser, |
6592 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
6593 | 0 | { |
6594 | 0 | if (token->type != NJS_TOKEN_COLON) { |
6595 | 0 | return njs_parser_failed(parser); |
6596 | 0 | } |
6597 | | |
6598 | 0 | njs_lexer_consume_token(parser->lexer, 1); |
6599 | |
|
6600 | 0 | if (parser->target->right != NULL) { |
6601 | 0 | parser->target->right->left = parser->node; |
6602 | 0 | } |
6603 | |
|
6604 | 0 | parser->node = NULL; |
6605 | |
|
6606 | 0 | token = njs_lexer_token(parser->lexer, 0); |
6607 | 0 | if (token == NULL) { |
6608 | 0 | return NJS_ERROR; |
6609 | 0 | } |
6610 | | |
6611 | 0 | switch (token->type) { |
6612 | 0 | case NJS_TOKEN_CASE: |
6613 | 0 | case NJS_TOKEN_DEFAULT: |
6614 | 0 | case NJS_TOKEN_CLOSE_BRACE: |
6615 | 0 | njs_parser_next(parser, njs_parser_switch_case_block_wo_def); |
6616 | 0 | return NJS_OK; |
6617 | | |
6618 | 0 | default: |
6619 | 0 | njs_parser_next(parser, njs_parser_statement_list); |
6620 | 0 | break; |
6621 | 0 | } |
6622 | | |
6623 | 0 | return njs_parser_after(parser, current, parser->target, 1, |
6624 | 0 | njs_parser_switch_case_block_wo_def); |
6625 | 0 | } |
6626 | | |
6627 | | |
6628 | | static njs_int_t |
6629 | | njs_parser_switch_case_block_wo_def(njs_parser_t *parser, |
6630 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
6631 | 0 | { |
6632 | 0 | if (parser->target->right != NULL) { |
6633 | 0 | parser->target->right->right = parser->node; |
6634 | |
|
6635 | 0 | } else { |
6636 | 0 | parser->target->right = parser->node; |
6637 | 0 | } |
6638 | |
|
6639 | 0 | if (parser->ret != NJS_OK && parser->target->scope != parser->scope) { |
6640 | 0 | return njs_parser_failed(parser); |
6641 | 0 | } |
6642 | | |
6643 | 0 | njs_parser_next(parser, njs_parser_switch_case_wo_def); |
6644 | |
|
6645 | 0 | return NJS_OK; |
6646 | 0 | } |
6647 | | |
6648 | | |
6649 | | /* |
6650 | | * 13.13 Labelled Statements |
6651 | | */ |
6652 | | static njs_int_t |
6653 | | njs_parser_labelled_statement(njs_parser_t *parser, njs_lexer_token_t *token, |
6654 | | njs_queue_link_t *current) |
6655 | 9.55k | { |
6656 | 9.55k | uintptr_t unique_id; |
6657 | 9.55k | njs_variable_t *label; |
6658 | | |
6659 | 9.55k | unique_id = token->unique_id; |
6660 | | |
6661 | 9.55k | label = njs_label_find(parser->vm, parser->scope, unique_id); |
6662 | 9.55k | if (label != NULL) { |
6663 | 260 | njs_parser_syntax_error(parser, "Label \"%V\" " |
6664 | 260 | "has already been declared", &token->text); |
6665 | 260 | return NJS_DONE; |
6666 | 260 | } |
6667 | | |
6668 | 9.29k | label = njs_label_add(parser->vm, parser->scope, unique_id); |
6669 | 9.29k | if (label == NULL) { |
6670 | 0 | return NJS_ERROR; |
6671 | 0 | } |
6672 | | |
6673 | 9.29k | njs_lexer_consume_token(parser->lexer, 2); |
6674 | | |
6675 | 9.29k | token = njs_lexer_token(parser->lexer, 0); |
6676 | 9.29k | if (token == NULL) { |
6677 | 0 | return NJS_ERROR; |
6678 | 0 | } |
6679 | | |
6680 | 9.29k | parser->node = NULL; |
6681 | | |
6682 | 9.29k | if (token->type == NJS_TOKEN_FUNCTION) { |
6683 | 0 | njs_syntax_error(parser->vm, "In strict mode code, functions can only " |
6684 | 0 | "be declared at top level or inside a block."); |
6685 | 0 | return NJS_DONE; |
6686 | |
|
6687 | 9.29k | } else { |
6688 | 9.29k | njs_parser_next(parser, njs_parser_statement_wo_node); |
6689 | 9.29k | } |
6690 | | |
6691 | 9.29k | return njs_parser_after(parser, current, (void *) unique_id, 1, |
6692 | 9.29k | njs_parser_labelled_statement_after); |
6693 | 9.29k | } |
6694 | | |
6695 | | |
6696 | | static njs_int_t |
6697 | | njs_parser_labelled_statement_after(njs_parser_t *parser, |
6698 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
6699 | 7.02k | { |
6700 | 7.02k | njs_int_t ret; |
6701 | 7.02k | uintptr_t unique_id; |
6702 | 7.02k | const njs_lexer_entry_t *entry; |
6703 | | |
6704 | 7.02k | if (parser->node != NULL) { |
6705 | | /* The statement is not empty block or just semicolon. */ |
6706 | | |
6707 | 7.02k | unique_id = (uintptr_t) parser->target; |
6708 | 7.02k | entry = (const njs_lexer_entry_t *) unique_id; |
6709 | | |
6710 | 7.02k | ret = njs_name_copy(parser->vm, &parser->node->name, &entry->name); |
6711 | 7.02k | if (ret != NJS_OK) { |
6712 | 0 | return NJS_ERROR; |
6713 | 0 | } |
6714 | | |
6715 | 7.02k | ret = njs_label_remove(parser->vm, parser->scope, unique_id); |
6716 | 7.02k | if (ret != NJS_OK) { |
6717 | 0 | return NJS_ERROR; |
6718 | 0 | } |
6719 | 7.02k | } |
6720 | | |
6721 | 7.02k | return njs_parser_stack_pop(parser); |
6722 | 7.02k | } |
6723 | | |
6724 | | |
6725 | | /* |
6726 | | * 13.14 throw Statement |
6727 | | */ |
6728 | | static njs_int_t |
6729 | | njs_parser_throw_statement(njs_parser_t *parser, njs_lexer_token_t *token, |
6730 | | njs_queue_link_t *current) |
6731 | 156 | { |
6732 | 156 | njs_parser_node_t *node; |
6733 | | |
6734 | 156 | node = njs_parser_node_new(parser, NJS_TOKEN_THROW); |
6735 | 156 | if (node == NULL) { |
6736 | 0 | return NJS_ERROR; |
6737 | 0 | } |
6738 | | |
6739 | 156 | node->token_line = parser->line; |
6740 | | |
6741 | 156 | if (parser->lexer->prev_type == NJS_TOKEN_LINE_END) { |
6742 | 0 | njs_parser_syntax_error(parser, "Illegal newline after throw"); |
6743 | 0 | return NJS_DONE; |
6744 | 0 | } |
6745 | | |
6746 | 156 | parser->node = NULL; |
6747 | | |
6748 | 156 | njs_parser_next(parser, njs_parser_expression); |
6749 | | |
6750 | 156 | return njs_parser_after(parser, current, node, 1, |
6751 | 156 | njs_parser_throw_statement_after); |
6752 | 156 | } |
6753 | | |
6754 | | |
6755 | | static njs_int_t |
6756 | | njs_parser_throw_statement_after(njs_parser_t *parser, |
6757 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
6758 | 156 | { |
6759 | 156 | if (parser->ret != NJS_OK) { |
6760 | 0 | parser->node = parser->target; |
6761 | 0 | return njs_parser_reject(parser); |
6762 | 0 | } |
6763 | | |
6764 | 156 | if (njs_parser_expect_semicolon(parser, token) != NJS_OK) { |
6765 | 0 | return njs_parser_failed(parser); |
6766 | 0 | } |
6767 | | |
6768 | 156 | parser->target->right = parser->node; |
6769 | 156 | parser->node = parser->target; |
6770 | | |
6771 | 156 | return njs_parser_stack_pop(parser); |
6772 | 156 | } |
6773 | | |
6774 | | |
6775 | | /* |
6776 | | * 13.15 try Statement. |
6777 | | */ |
6778 | | static njs_int_t |
6779 | | njs_parser_try_statement(njs_parser_t *parser, njs_lexer_token_t *token, |
6780 | | njs_queue_link_t *current) |
6781 | 1.25k | { |
6782 | 1.25k | njs_parser_node_t *try; |
6783 | | |
6784 | 1.25k | try = njs_parser_node_new(parser, NJS_TOKEN_TRY); |
6785 | 1.25k | if (try == NULL) { |
6786 | 0 | return NJS_ERROR; |
6787 | 0 | } |
6788 | | |
6789 | 1.25k | try->token_line = parser->line; |
6790 | | |
6791 | 1.25k | parser->node = NULL; |
6792 | | |
6793 | 1.25k | njs_parser_next(parser, njs_parser_block_statement_open_brace); |
6794 | | |
6795 | 1.25k | return njs_parser_after(parser, current, try, 1, |
6796 | 1.25k | njs_parser_catch_or_finally); |
6797 | 1.25k | } |
6798 | | |
6799 | | |
6800 | | static njs_int_t |
6801 | | njs_parser_catch_or_finally(njs_parser_t *parser, njs_lexer_token_t *token, |
6802 | | njs_queue_link_t *current) |
6803 | 1.25k | { |
6804 | 1.25k | njs_int_t ret; |
6805 | 1.25k | njs_parser_node_t *catch, *node, *try; |
6806 | | |
6807 | 1.25k | try = parser->target; |
6808 | | |
6809 | 1.25k | try->left = parser->node; |
6810 | | |
6811 | 1.25k | if (token->type == NJS_TOKEN_FINALLY) { |
6812 | 2 | node = njs_parser_node_new(parser, NJS_TOKEN_FINALLY); |
6813 | 2 | if (node == NULL) { |
6814 | 0 | return NJS_ERROR; |
6815 | 0 | } |
6816 | | |
6817 | 2 | node->token_line = token->line; |
6818 | | |
6819 | 2 | if (try->right != NULL) { |
6820 | 0 | node->left = try->right; |
6821 | 0 | } |
6822 | | |
6823 | 2 | try->right = node; |
6824 | 2 | parser->node = NULL; |
6825 | | |
6826 | 2 | njs_lexer_consume_token(parser->lexer, 1); |
6827 | 2 | njs_parser_next(parser, njs_parser_block_statement_open_brace); |
6828 | | |
6829 | 2 | return njs_parser_after(parser, current, try, 0, |
6830 | 2 | njs_parser_catch_finally); |
6831 | | |
6832 | 1.25k | } else if (token->type != NJS_TOKEN_CATCH) { |
6833 | 1 | njs_parser_syntax_error(parser, "Missing catch or finally after try"); |
6834 | 1 | return NJS_DONE; |
6835 | 1 | } |
6836 | | |
6837 | 1.24k | catch = njs_parser_node_new(parser, NJS_TOKEN_CATCH); |
6838 | 1.24k | if (catch == NULL) { |
6839 | 0 | return NJS_ERROR; |
6840 | 0 | } |
6841 | | |
6842 | 1.24k | catch->token_line = token->line; |
6843 | | |
6844 | 1.24k | njs_lexer_consume_token(parser->lexer, 1); |
6845 | | |
6846 | 1.24k | token = njs_lexer_token(parser->lexer, 0); |
6847 | 1.24k | if (token == NULL) { |
6848 | 0 | return NJS_ERROR; |
6849 | 0 | } |
6850 | | |
6851 | 1.24k | ret = njs_parser_scope_begin(parser, NJS_SCOPE_BLOCK, 0); |
6852 | 1.24k | if (ret != NJS_OK) { |
6853 | 0 | return NJS_ERROR; |
6854 | 0 | } |
6855 | | |
6856 | 1.24k | if (token->type != NJS_TOKEN_OPEN_PARENTHESIS) { |
6857 | 0 | parser->node = NULL; |
6858 | |
|
6859 | 0 | njs_parser_next(parser, njs_parser_block_statement_open_brace); |
6860 | |
|
6861 | 0 | try->right = catch; |
6862 | | |
6863 | | /* TODO: it is necessary to change the generator. */ |
6864 | |
|
6865 | 0 | return njs_parser_not_supported(parser, token); |
6866 | | |
6867 | | /* |
6868 | | * return njs_parser_after(parser, current, parser->target, 0, |
6869 | | * njs_parser_catch_after); |
6870 | | */ |
6871 | 0 | } |
6872 | | |
6873 | 1.24k | njs_lexer_consume_token(parser->lexer, 1); |
6874 | | |
6875 | 1.24k | token = njs_lexer_token(parser->lexer, 0); |
6876 | 1.24k | if (token == NULL) { |
6877 | 0 | return NJS_ERROR; |
6878 | 0 | } |
6879 | | |
6880 | 1.24k | try->right = catch; |
6881 | | |
6882 | 1.24k | if (njs_lexer_token_is_binding_identifier(token)) { |
6883 | 1.24k | node = njs_parser_variable_node(parser, token->unique_id, |
6884 | 1.24k | NJS_VARIABLE_CATCH, NULL); |
6885 | 1.24k | if (node == NULL) { |
6886 | 0 | return NJS_ERROR; |
6887 | 0 | } |
6888 | | |
6889 | 1.24k | node->token_line = token->line; |
6890 | | |
6891 | 1.24k | catch->left = node; |
6892 | | |
6893 | 1.24k | njs_lexer_consume_token(parser->lexer, 1); |
6894 | 1.24k | njs_parser_next(parser, njs_parser_catch_parenthesis); |
6895 | 1.24k | return NJS_OK; |
6896 | 1.24k | } |
6897 | | |
6898 | 0 | if (token->type != NJS_TOKEN_OPEN_BRACE) { |
6899 | 0 | return njs_parser_failed(parser); |
6900 | 0 | } |
6901 | | |
6902 | | /* |
6903 | | * njs_parser_next(parser, njs_parser_block_statement_open_brace); |
6904 | | * |
6905 | | * return njs_parser_after(parser, current, try, 1, |
6906 | | * njs_parser_catch_parenthesis); |
6907 | | */ |
6908 | | |
6909 | 0 | return njs_parser_not_supported(parser, token); |
6910 | 0 | } |
6911 | | |
6912 | | |
6913 | | static njs_int_t |
6914 | | njs_parser_catch_after(njs_parser_t *parser, njs_lexer_token_t *token, |
6915 | | njs_queue_link_t *current) |
6916 | 1.24k | { |
6917 | 1.24k | njs_parser_node_t *node; |
6918 | | |
6919 | 1.24k | parser->target->right->right = parser->node; |
6920 | | |
6921 | 1.24k | if (token->type == NJS_TOKEN_FINALLY) { |
6922 | 3 | node = njs_parser_node_new(parser, NJS_TOKEN_FINALLY); |
6923 | 3 | if (node == NULL) { |
6924 | 0 | return NJS_ERROR; |
6925 | 0 | } |
6926 | | |
6927 | 3 | node->token_line = token->line; |
6928 | | |
6929 | 3 | if (parser->target->right != NULL) { |
6930 | 3 | node->left = parser->target->right; |
6931 | 3 | } |
6932 | | |
6933 | 3 | parser->target->right = node; |
6934 | 3 | parser->node = NULL; |
6935 | | |
6936 | 3 | njs_lexer_consume_token(parser->lexer, 1); |
6937 | 3 | njs_parser_next(parser, njs_parser_block_statement_open_brace); |
6938 | | |
6939 | 3 | return njs_parser_after(parser, current, parser->target, 1, |
6940 | 3 | njs_parser_catch_finally); |
6941 | 3 | } |
6942 | | |
6943 | 1.24k | parser->node = parser->target; |
6944 | | |
6945 | 1.24k | return njs_parser_stack_pop(parser); |
6946 | 1.24k | } |
6947 | | |
6948 | | |
6949 | | static njs_int_t |
6950 | | njs_parser_catch_parenthesis(njs_parser_t *parser, njs_lexer_token_t *token, |
6951 | | njs_queue_link_t *current) |
6952 | 1.24k | { |
6953 | 1.24k | if (token->type != NJS_TOKEN_CLOSE_PARENTHESIS) { |
6954 | 0 | return njs_parser_failed(parser); |
6955 | 0 | } |
6956 | | |
6957 | 1.24k | njs_lexer_consume_token(parser->lexer, 1); |
6958 | | |
6959 | 1.24k | parser->target->right->right = parser->node; |
6960 | 1.24k | parser->node = NULL; |
6961 | | |
6962 | 1.24k | njs_parser_next(parser, njs_parser_catch_statement_open_brace); |
6963 | | |
6964 | 1.24k | return njs_parser_after(parser, current, parser->target, 1, |
6965 | 1.24k | njs_parser_catch_after); |
6966 | 1.24k | } |
6967 | | |
6968 | | |
6969 | | static njs_int_t |
6970 | | njs_parser_catch_statement_open_brace(njs_parser_t *parser, |
6971 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
6972 | 1.24k | { |
6973 | 1.24k | void *target; |
6974 | | |
6975 | 1.24k | if (token->type != NJS_TOKEN_OPEN_BRACE) { |
6976 | 0 | return njs_parser_failed(parser); |
6977 | 0 | } |
6978 | | |
6979 | 1.24k | parser->line = token->line; |
6980 | | |
6981 | 1.24k | njs_lexer_consume_token(parser->lexer, 1); |
6982 | | |
6983 | 1.24k | token = njs_lexer_token(parser->lexer, 0); |
6984 | 1.24k | if (token == NULL) { |
6985 | 0 | return NJS_ERROR; |
6986 | 0 | } |
6987 | | |
6988 | 1.24k | target = (void *) (uintptr_t) parser->line; |
6989 | 1.24k | parser->node = NULL; |
6990 | | |
6991 | 1.24k | if (token->type == NJS_TOKEN_CLOSE_BRACE) { |
6992 | 1.23k | parser->target = target; |
6993 | | |
6994 | 1.23k | njs_parser_next(parser, njs_parser_block_statement_close_brace); |
6995 | 1.23k | return NJS_OK; |
6996 | 1.23k | } |
6997 | | |
6998 | 13 | njs_parser_next(parser, njs_parser_statement_list); |
6999 | | |
7000 | 13 | return njs_parser_after(parser, current, target, 0, |
7001 | 1.24k | njs_parser_block_statement_close_brace); |
7002 | 1.24k | } |
7003 | | |
7004 | | |
7005 | | static njs_int_t |
7006 | | njs_parser_catch_finally(njs_parser_t *parser, njs_lexer_token_t *token, |
7007 | | njs_queue_link_t *current) |
7008 | 4 | { |
7009 | 4 | if (parser->ret != NJS_OK) { |
7010 | 0 | return njs_parser_failed(parser); |
7011 | 0 | } |
7012 | | |
7013 | 4 | parser->target->right->right = parser->node; |
7014 | 4 | parser->node = parser->target; |
7015 | | |
7016 | 4 | return njs_parser_stack_pop(parser); |
7017 | 4 | } |
7018 | | |
7019 | | |
7020 | | static njs_int_t |
7021 | | njs_parser_debugger_statement(njs_parser_t *parser, njs_lexer_token_t *token, |
7022 | | njs_queue_link_t *current) |
7023 | 1.41k | { |
7024 | 1.41k | parser->node = njs_parser_node_new(parser, NJS_TOKEN_DEBUGGER); |
7025 | 1.41k | if (parser->node == NULL) { |
7026 | 0 | return NJS_ERROR; |
7027 | 0 | } |
7028 | | |
7029 | 1.41k | parser->node->token_line = parser->line; |
7030 | | |
7031 | 1.41k | if (token->type != NJS_TOKEN_SEMICOLON |
7032 | 1.41k | && token->type != NJS_TOKEN_END) |
7033 | 0 | { |
7034 | 0 | return njs_parser_failed(parser); |
7035 | 0 | } |
7036 | | |
7037 | 1.41k | njs_lexer_consume_token(parser->lexer, 1); |
7038 | | |
7039 | 1.41k | return njs_parser_stack_pop(parser); |
7040 | 1.41k | } |
7041 | | |
7042 | | |
7043 | | /* |
7044 | | * 14.1 Function Definitions. |
7045 | | */ |
7046 | | static njs_int_t |
7047 | | njs_parser_function_declaration(njs_parser_t *parser, njs_lexer_token_t *token, |
7048 | | njs_queue_link_t *current) |
7049 | 893 | { |
7050 | 893 | njs_int_t ret; |
7051 | 893 | uintptr_t unique_id; |
7052 | 893 | njs_bool_t async; |
7053 | 893 | njs_variable_t *var; |
7054 | 893 | njs_parser_node_t *node; |
7055 | | |
7056 | 893 | if (!njs_lexer_token_is_binding_identifier(token)) { |
7057 | 0 | return njs_parser_failed(parser); |
7058 | 0 | } |
7059 | | |
7060 | 893 | if (njs_parser_restricted_identifier(token->type)) { |
7061 | 0 | njs_parser_syntax_error(parser, "Identifier \"%V\" is forbidden" |
7062 | 0 | " in function declaration", &token->text); |
7063 | 0 | return NJS_DONE; |
7064 | 0 | } |
7065 | | |
7066 | 893 | node = parser->node; |
7067 | 893 | unique_id = token->unique_id; |
7068 | | |
7069 | 893 | njs_lexer_consume_token(parser->lexer, 1); |
7070 | | |
7071 | 893 | token = njs_lexer_token(parser->lexer, 0); |
7072 | 893 | if (token == NULL) { |
7073 | 0 | return NJS_ERROR; |
7074 | 0 | } |
7075 | | |
7076 | 893 | if (token->type != NJS_TOKEN_OPEN_PARENTHESIS) { |
7077 | 0 | return njs_parser_failed(parser); |
7078 | 0 | } |
7079 | | |
7080 | 893 | njs_lexer_consume_token(parser->lexer, 1); |
7081 | | |
7082 | 893 | var = njs_variable_function_add(parser, parser->scope, unique_id, |
7083 | 893 | NJS_VARIABLE_FUNCTION); |
7084 | 893 | if (var == NULL) { |
7085 | 0 | return NJS_ERROR; |
7086 | 0 | } |
7087 | | |
7088 | 893 | node->u.value.data.u.lambda = njs_variable_lambda(var); |
7089 | | |
7090 | 893 | node->left = (njs_parser_node_t *) unique_id; |
7091 | | |
7092 | 893 | parser->node = node; |
7093 | | |
7094 | 893 | ret = njs_parser_scope_begin(parser, NJS_SCOPE_FUNCTION, 1); |
7095 | 893 | if (ret != NJS_OK) { |
7096 | 0 | return NJS_ERROR; |
7097 | 0 | } |
7098 | | |
7099 | 893 | async = (node->token_type == NJS_TOKEN_ASYNC_FUNCTION_DECLARATION); |
7100 | 893 | parser->scope->async = async; |
7101 | | |
7102 | 893 | njs_parser_next(parser, njs_parser_function_parse); |
7103 | | |
7104 | 893 | return njs_parser_after(parser, current, node, 1, |
7105 | 893 | njs_parser_function_declaration_after); |
7106 | 893 | } |
7107 | | |
7108 | | |
7109 | | static njs_int_t |
7110 | | njs_parser_function_declaration_after(njs_parser_t *parser, |
7111 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
7112 | 891 | { |
7113 | 891 | njs_int_t ret; |
7114 | 891 | uintptr_t unique_id; |
7115 | | |
7116 | 891 | unique_id = (uintptr_t) parser->node->left; |
7117 | | |
7118 | 891 | parser->node->left = NULL; |
7119 | | |
7120 | 891 | njs_value_null_set(&parser->node->u.value); |
7121 | | |
7122 | 891 | ret = njs_parser_variable_reference(parser, parser->scope, parser->node, |
7123 | 891 | unique_id, NJS_DECLARATION); |
7124 | 891 | if (ret != NJS_OK) { |
7125 | 0 | return NJS_ERROR; |
7126 | 0 | } |
7127 | | |
7128 | 891 | return njs_parser_stack_pop(parser); |
7129 | 891 | } |
7130 | | |
7131 | | |
7132 | | static njs_int_t |
7133 | | njs_parser_function_parse(njs_parser_t *parser, njs_lexer_token_t *token, |
7134 | | njs_queue_link_t *current) |
7135 | 20.9k | { |
7136 | 20.9k | parser->target = parser->node; |
7137 | 20.9k | parser->node = NULL; |
7138 | | |
7139 | 20.9k | njs_parser_next(parser, njs_parser_formal_parameters); |
7140 | | |
7141 | 20.9k | return njs_parser_after(parser, current, parser->target, 1, |
7142 | 20.9k | njs_parser_function_lambda_args_after); |
7143 | 20.9k | } |
7144 | | |
7145 | | |
7146 | | static const njs_lexer_entry_t njs_parser_empty_entry = |
7147 | | { |
7148 | | .name = njs_str("") |
7149 | | }; |
7150 | | |
7151 | | |
7152 | | static njs_int_t |
7153 | | njs_parser_function_expression(njs_parser_t *parser, njs_lexer_token_t *token, |
7154 | | njs_queue_link_t *current) |
7155 | 20.1k | { |
7156 | 20.1k | njs_int_t ret; |
7157 | 20.1k | uintptr_t unique_id; |
7158 | 20.1k | njs_bool_t async; |
7159 | 20.1k | njs_variable_t *var; |
7160 | 20.1k | njs_function_lambda_t *lambda; |
7161 | | |
7162 | 20.1k | ret = njs_parser_scope_begin(parser, NJS_SCOPE_FUNCTION, 1); |
7163 | 20.1k | if (ret != NJS_OK) { |
7164 | 0 | return NJS_ERROR; |
7165 | 0 | } |
7166 | | |
7167 | 20.1k | async = (parser->node->token_type == NJS_TOKEN_ASYNC_FUNCTION_EXPRESSION); |
7168 | 20.1k | parser->scope->async = async; |
7169 | | |
7170 | 20.1k | var = NULL; |
7171 | | |
7172 | 20.1k | if (njs_lexer_token_is_binding_identifier(token)) { |
7173 | 1.82k | unique_id = token->unique_id; |
7174 | | |
7175 | 1.82k | njs_lexer_consume_token(parser->lexer, 1); |
7176 | | |
7177 | 1.82k | token = njs_lexer_token(parser->lexer, 0); |
7178 | 1.82k | if (token == NULL) { |
7179 | 0 | return NJS_ERROR; |
7180 | 0 | } |
7181 | | |
7182 | 18.2k | } else { |
7183 | 18.2k | unique_id = (uintptr_t) &njs_parser_empty_entry; |
7184 | 18.2k | } |
7185 | | |
7186 | 20.1k | if (token->type != NJS_TOKEN_OPEN_PARENTHESIS) { |
7187 | 0 | return njs_parser_failed(parser); |
7188 | 0 | } |
7189 | | |
7190 | 20.1k | njs_lexer_consume_token(parser->lexer, 1); |
7191 | | |
7192 | 20.1k | parser->node->left = njs_parser_node_new(parser, NJS_TOKEN_NAME); |
7193 | 20.1k | if (parser->node->left == NULL) { |
7194 | 0 | return NJS_ERROR; |
7195 | 0 | } |
7196 | | |
7197 | 20.1k | var = njs_variable_scope_add(parser, parser->scope, parser->scope, |
7198 | 20.1k | unique_id, NJS_VARIABLE_FUNCTION, 1); |
7199 | 20.1k | if (var == NULL) { |
7200 | 0 | return NJS_ERROR; |
7201 | 0 | } |
7202 | | |
7203 | 20.1k | var->self = 1; |
7204 | | |
7205 | 20.1k | ret = njs_parser_variable_reference(parser, parser->scope, |
7206 | 20.1k | parser->node->left, unique_id, |
7207 | 20.1k | NJS_DECLARATION); |
7208 | 20.1k | if (ret != NJS_OK) { |
7209 | 0 | return NJS_ERROR; |
7210 | 0 | } |
7211 | | |
7212 | 20.1k | lambda = njs_function_lambda_alloc(parser->vm, !async); |
7213 | 20.1k | if (lambda == NULL) { |
7214 | 0 | return NJS_ERROR; |
7215 | 0 | } |
7216 | | |
7217 | 20.1k | parser->node->u.value.data.u.lambda = lambda; |
7218 | | |
7219 | 20.1k | njs_parser_next(parser, njs_parser_function_parse); |
7220 | | |
7221 | 20.1k | return njs_parser_after(parser, current, var, 1, |
7222 | 20.1k | njs_parser_function_expression_after); |
7223 | 20.1k | } |
7224 | | |
7225 | | |
7226 | | static njs_int_t |
7227 | | njs_parser_function_expression_after(njs_parser_t *parser, |
7228 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
7229 | 4.79k | { |
7230 | 4.79k | njs_variable_t *var; |
7231 | | |
7232 | 4.79k | var = (njs_variable_t *) parser->target; |
7233 | | |
7234 | 4.79k | if (var->self) { |
7235 | 3.72k | var->init = 1; |
7236 | 3.72k | var->type = NJS_VARIABLE_CONST; |
7237 | 3.72k | } |
7238 | | |
7239 | 4.79k | var->index = njs_scope_index(var->scope->type, var->scope->items, |
7240 | 4.79k | NJS_LEVEL_LOCAL, var->type); |
7241 | 4.79k | var->scope->items++; |
7242 | | |
7243 | 4.79k | if (var->self) { |
7244 | 3.72k | parser->node->u.value.data.u.lambda->self = var->index; |
7245 | 3.72k | } |
7246 | | |
7247 | 4.79k | return njs_parser_stack_pop(parser); |
7248 | 4.79k | } |
7249 | | |
7250 | | |
7251 | | static njs_int_t |
7252 | | njs_parser_unique_formal_parameters(njs_parser_t *parser, |
7253 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
7254 | 6.65k | { |
7255 | 6.65k | parser->node = NULL; |
7256 | | |
7257 | 6.65k | njs_parser_next(parser, njs_parser_formal_parameters); |
7258 | | |
7259 | 6.65k | return NJS_OK; |
7260 | 6.65k | } |
7261 | | |
7262 | | |
7263 | | static njs_int_t |
7264 | | njs_parser_formal_parameters(njs_parser_t *parser, njs_lexer_token_t *token, |
7265 | | njs_queue_link_t *current) |
7266 | 27.9k | { |
7267 | 27.9k | njs_variable_t *arg; |
7268 | 27.9k | njs_rbtree_node_t *rb_node; |
7269 | 27.9k | njs_variable_node_t var_node; |
7270 | 27.9k | njs_function_lambda_t *lambda; |
7271 | | |
7272 | 27.9k | lambda = parser->target->u.value.data.u.lambda; |
7273 | | |
7274 | 27.9k | switch (token->type) { |
7275 | | /* BindingRestElement */ |
7276 | 2 | case NJS_TOKEN_ELLIPSIS: |
7277 | 2 | if (lambda->rest_parameters != 0) { |
7278 | 0 | return njs_parser_failed(parser); |
7279 | 0 | } |
7280 | | |
7281 | 2 | njs_lexer_consume_token(parser->lexer, 1); |
7282 | | |
7283 | 2 | token = njs_lexer_token(parser->lexer, 0); |
7284 | 2 | if (token == NULL) { |
7285 | 0 | return NJS_ERROR; |
7286 | 0 | } |
7287 | | |
7288 | 2 | if (!njs_lexer_token_is_binding_identifier(token)) { |
7289 | 0 | return njs_parser_failed(parser); |
7290 | 0 | } |
7291 | | |
7292 | 2 | lambda->rest_parameters = 1; |
7293 | | |
7294 | 2 | return NJS_OK; |
7295 | | |
7296 | | /* BindingElement */ |
7297 | 0 | case NJS_TOKEN_OPEN_BRACE: |
7298 | 0 | return njs_parser_not_supported(parser, token); |
7299 | | |
7300 | 0 | case NJS_TOKEN_OPEN_BRACKET: |
7301 | 0 | return njs_parser_not_supported(parser, token); |
7302 | | |
7303 | 27.9k | default: |
7304 | | /* SingleNameBinding */ |
7305 | 27.9k | if (njs_lexer_token_is_binding_identifier(token)) { |
7306 | 2.89k | var_node.key = token->unique_id; |
7307 | | |
7308 | 2.89k | rb_node = njs_rbtree_find(&parser->scope->variables, |
7309 | 2.89k | &var_node.node); |
7310 | 2.89k | if (rb_node != NULL) { |
7311 | 35 | arg = ((njs_variable_node_t *) rb_node)->variable; |
7312 | | |
7313 | 35 | if (!arg->self) { |
7314 | 0 | njs_parser_syntax_error(parser, |
7315 | 0 | "Duplicate parameter names"); |
7316 | 0 | return NJS_DONE; |
7317 | 0 | } |
7318 | | |
7319 | 35 | arg->self = 0; |
7320 | | |
7321 | 2.85k | } else { |
7322 | 2.85k | arg = njs_variable_add(parser, parser->scope, |
7323 | 2.85k | token->unique_id, NJS_VARIABLE_VAR); |
7324 | 2.85k | } |
7325 | | |
7326 | 2.89k | if (arg == NULL) { |
7327 | 0 | return NJS_ERROR; |
7328 | 0 | } |
7329 | | |
7330 | 2.89k | arg->argument = 1; |
7331 | | |
7332 | 2.89k | lambda->nargs++; |
7333 | | |
7334 | | /* Crutch for temporary storage. */ |
7335 | 2.89k | parser->node = (njs_parser_node_t *) arg; |
7336 | | |
7337 | 2.89k | njs_lexer_consume_token(parser->lexer, 1); |
7338 | | |
7339 | 2.89k | njs_parser_next(parser, njs_parser_formal_parameters_after); |
7340 | 2.89k | break; |
7341 | 2.89k | } |
7342 | | |
7343 | 25.1k | return njs_parser_stack_pop(parser); |
7344 | 27.9k | } |
7345 | | |
7346 | 2.89k | return NJS_OK; |
7347 | 27.9k | } |
7348 | | |
7349 | | |
7350 | | static njs_int_t |
7351 | | njs_parser_formal_parameters_after(njs_parser_t *parser, |
7352 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
7353 | 2.89k | { |
7354 | 2.89k | njs_function_lambda_t *lambda; |
7355 | | |
7356 | 2.89k | if (token->type != NJS_TOKEN_COMMA) { |
7357 | 2.54k | return njs_parser_stack_pop(parser); |
7358 | 2.54k | } |
7359 | | |
7360 | 346 | lambda = parser->target->u.value.data.u.lambda; |
7361 | | |
7362 | 346 | if (lambda->rest_parameters) { |
7363 | 0 | njs_parser_syntax_error(parser, "Rest parameter must be " |
7364 | 0 | "last formal parameter"); |
7365 | 0 | return NJS_DONE; |
7366 | 0 | } |
7367 | | |
7368 | 346 | njs_lexer_consume_token(parser->lexer, 1); |
7369 | | |
7370 | 346 | njs_parser_next(parser, njs_parser_formal_parameters); |
7371 | | |
7372 | 346 | return NJS_OK; |
7373 | 346 | } |
7374 | | |
7375 | | |
7376 | | /* |
7377 | | * 14.2 Arrow Function Definitions |
7378 | | * |
7379 | | * TODO: implement according to specification. |
7380 | | */ |
7381 | | static njs_int_t |
7382 | | njs_parser_arrow_function(njs_parser_t *parser, njs_lexer_token_t *token, |
7383 | | njs_queue_link_t *current) |
7384 | 26.1k | { |
7385 | 26.1k | njs_int_t ret; |
7386 | 26.1k | uintptr_t unique_id; |
7387 | 26.1k | njs_bool_t async; |
7388 | 26.1k | njs_variable_t *arg, *var; |
7389 | 26.1k | njs_parser_node_t *node, *name; |
7390 | 26.1k | njs_function_lambda_t *lambda; |
7391 | | |
7392 | 26.1k | if (token->type == NJS_TOKEN_ASYNC) { |
7393 | 2.45k | njs_lexer_consume_token(parser->lexer, 1); |
7394 | | |
7395 | 2.45k | token = njs_lexer_token(parser->lexer, 0); |
7396 | 2.45k | if (token == NULL) { |
7397 | 0 | return NJS_ERROR; |
7398 | 0 | } |
7399 | | |
7400 | 2.45k | async = 1; |
7401 | 2.45k | node = njs_parser_node_new(parser, NJS_TOKEN_ASYNC_FUNCTION_EXPRESSION); |
7402 | | |
7403 | 23.6k | } else { |
7404 | 23.6k | async = 0; |
7405 | 23.6k | node = njs_parser_node_new(parser, NJS_TOKEN_FUNCTION_EXPRESSION); |
7406 | 23.6k | } |
7407 | | |
7408 | 26.1k | if (node == NULL) { |
7409 | 0 | return NJS_ERROR; |
7410 | 0 | } |
7411 | | |
7412 | 26.1k | node->token_line = token->line; |
7413 | 26.1k | parser->node = node; |
7414 | | |
7415 | 26.1k | ret = njs_parser_scope_begin(parser, NJS_SCOPE_FUNCTION, 0); |
7416 | 26.1k | if (ret != NJS_OK) { |
7417 | 0 | return NJS_ERROR; |
7418 | 0 | } |
7419 | | |
7420 | 26.1k | parser->scope->async = async; |
7421 | | |
7422 | 26.1k | name = njs_parser_node_new(parser, NJS_TOKEN_NAME); |
7423 | 26.1k | if (name == NULL) { |
7424 | 0 | return NJS_ERROR; |
7425 | 0 | } |
7426 | | |
7427 | 26.1k | node->left = name; |
7428 | | |
7429 | 26.1k | unique_id = (uintptr_t) &njs_parser_empty_entry; |
7430 | | |
7431 | 26.1k | var = njs_variable_scope_add(parser, parser->scope, parser->scope, |
7432 | 26.1k | unique_id, NJS_VARIABLE_FUNCTION, 1); |
7433 | 26.1k | if (var == NULL) { |
7434 | 0 | return NJS_ERROR; |
7435 | 0 | } |
7436 | | |
7437 | 26.1k | ret = njs_parser_variable_reference(parser, parser->scope, node->left, |
7438 | 26.1k | unique_id, NJS_DECLARATION); |
7439 | 26.1k | if (ret != NJS_OK) { |
7440 | 0 | return NJS_ERROR; |
7441 | 0 | } |
7442 | | |
7443 | 26.1k | node->left->u.reference.variable = var; |
7444 | | |
7445 | 26.1k | lambda = njs_function_lambda_alloc(parser->vm, 0); |
7446 | 26.1k | if (lambda == NULL) { |
7447 | 0 | return NJS_ERROR; |
7448 | 0 | } |
7449 | | |
7450 | 26.1k | node->u.value.data.u.lambda = lambda; |
7451 | | |
7452 | 26.1k | parser->scope->arrow_function = 1; |
7453 | | |
7454 | 26.1k | if (token->type == NJS_TOKEN_OPEN_PARENTHESIS) { |
7455 | 3 | njs_lexer_consume_token(parser->lexer, 1); |
7456 | | |
7457 | 3 | parser->node = NULL; |
7458 | 3 | parser->target = node; |
7459 | | |
7460 | 3 | njs_parser_next(parser, njs_parser_formal_parameters); |
7461 | | |
7462 | 3 | return njs_parser_after(parser, current, node, 1, |
7463 | 3 | njs_parser_arrow_function_args_after); |
7464 | | |
7465 | 26.1k | } else if (njs_lexer_token_is_binding_identifier(token)) { |
7466 | 26.1k | arg = njs_variable_add(parser, parser->scope, token->unique_id, |
7467 | 26.1k | NJS_VARIABLE_VAR); |
7468 | 26.1k | if (arg == NULL) { |
7469 | 0 | return NJS_ERROR; |
7470 | 0 | } |
7471 | | |
7472 | 26.1k | arg->argument = 1; |
7473 | | |
7474 | 26.1k | var->index = njs_scope_index(parser->scope->type, parser->scope->items, |
7475 | 26.1k | NJS_LEVEL_LOCAL, NJS_VARIABLE_VAR); |
7476 | 26.1k | parser->scope->items++; |
7477 | | |
7478 | 26.1k | lambda->self = var->index; |
7479 | 26.1k | lambda->nargs++; |
7480 | | |
7481 | 26.1k | njs_lexer_consume_token(parser->lexer, 1); |
7482 | | |
7483 | 26.1k | parser->target = node; |
7484 | | |
7485 | 26.1k | njs_parser_next(parser, njs_parser_arrow_function_arrow); |
7486 | | |
7487 | 26.1k | } else { |
7488 | 0 | return njs_parser_failed(parser); |
7489 | 0 | } |
7490 | | |
7491 | 26.1k | return NJS_OK; |
7492 | 26.1k | } |
7493 | | |
7494 | | |
7495 | | static njs_int_t |
7496 | | njs_parser_arrow_function_args_after(njs_parser_t *parser, |
7497 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
7498 | 3 | { |
7499 | 3 | njs_variable_t *var, **vv; |
7500 | | |
7501 | 3 | if (token->type != NJS_TOKEN_CLOSE_PARENTHESIS) { |
7502 | 0 | return njs_parser_failed(parser); |
7503 | 0 | } |
7504 | | |
7505 | 3 | njs_lexer_consume_token(parser->lexer, 1); |
7506 | | |
7507 | 3 | vv = &parser->target->left->u.reference.variable; |
7508 | | |
7509 | 3 | var = *vv; |
7510 | 3 | *vv = NULL; |
7511 | | |
7512 | 3 | var->index = njs_scope_index(var->scope->type, var->scope->items, |
7513 | 3 | NJS_LEVEL_LOCAL, NJS_VARIABLE_VAR); |
7514 | 3 | var->scope->items++; |
7515 | | |
7516 | 3 | parser->target->u.value.data.u.lambda->self = var->index; |
7517 | | |
7518 | 3 | njs_parser_next(parser, njs_parser_arrow_function_arrow); |
7519 | | |
7520 | 3 | return NJS_OK; |
7521 | 3 | } |
7522 | | |
7523 | | |
7524 | | static njs_int_t |
7525 | | njs_parser_arrow_function_arrow(njs_parser_t *parser, |
7526 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
7527 | 26.1k | { |
7528 | 26.1k | if (token->type != NJS_TOKEN_ARROW) { |
7529 | 0 | return njs_parser_failed(parser); |
7530 | 0 | } |
7531 | | |
7532 | 26.1k | njs_lexer_consume_token(parser->lexer, 1); |
7533 | | |
7534 | 26.1k | token = njs_lexer_token(parser->lexer, 0); |
7535 | 26.1k | if (token == NULL) { |
7536 | 0 | return NJS_ERROR; |
7537 | 0 | } |
7538 | | |
7539 | 26.1k | if (token->type == NJS_TOKEN_OPEN_BRACE) { |
7540 | 189 | njs_lexer_consume_token(parser->lexer, 1); |
7541 | | |
7542 | 189 | token = njs_lexer_token(parser->lexer, 0); |
7543 | 189 | if (token == NULL) { |
7544 | 0 | return NJS_ERROR; |
7545 | 0 | } |
7546 | | |
7547 | 189 | if (token->type == NJS_TOKEN_CLOSE_BRACE) { |
7548 | 187 | parser->node = NULL; |
7549 | | |
7550 | 187 | njs_parser_next(parser, njs_parser_function_lambda_body_after); |
7551 | | |
7552 | 187 | return NJS_OK; |
7553 | 187 | } |
7554 | | |
7555 | 2 | parser->node = NULL; |
7556 | | |
7557 | 2 | njs_parser_next(parser, njs_parser_statement_list); |
7558 | | |
7559 | 2 | return njs_parser_after(parser, current, parser->target, 1, |
7560 | 189 | njs_parser_function_lambda_body_after); |
7561 | 189 | } |
7562 | | |
7563 | 25.9k | parser->node = NULL; |
7564 | | |
7565 | 25.9k | njs_parser_next(parser, njs_parser_assignment_expression); |
7566 | | |
7567 | 25.9k | return njs_parser_after(parser, current, parser->target, 1, |
7568 | 26.1k | njs_parser_arrow_function_body_after); |
7569 | 26.1k | } |
7570 | | |
7571 | | |
7572 | | static njs_int_t |
7573 | | njs_parser_arrow_function_body_after(njs_parser_t *parser, |
7574 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
7575 | 25.9k | { |
7576 | 25.9k | njs_parser_node_t *body; |
7577 | | |
7578 | 25.9k | body = njs_parser_return_set(parser, parser->node); |
7579 | 25.9k | if (body == NULL) { |
7580 | 0 | return NJS_ERROR; |
7581 | 0 | } |
7582 | | |
7583 | 25.9k | parser->target->right = body; |
7584 | 25.9k | parser->node = parser->target; |
7585 | | |
7586 | 25.9k | njs_parser_scope_end(parser); |
7587 | | |
7588 | 25.9k | return njs_parser_stack_pop(parser); |
7589 | 25.9k | } |
7590 | | |
7591 | | |
7592 | | /* |
7593 | | * 14.3 Method Definitions. |
7594 | | */ |
7595 | | static njs_int_t |
7596 | | njs_parser_method_definition(njs_parser_t *parser, njs_lexer_token_t *token, |
7597 | | njs_queue_link_t *current) |
7598 | 4.44k | { |
7599 | 4.44k | njs_token_type_t type; |
7600 | 4.44k | njs_lexer_token_t *next; |
7601 | 4.44k | njs_parser_node_t *expr; |
7602 | | |
7603 | 4.44k | type = NJS_TOKEN_FUNCTION; |
7604 | | |
7605 | 4.44k | if (token->type == NJS_TOKEN_ASYNC) { |
7606 | 0 | njs_lexer_consume_token(parser->lexer, 1); |
7607 | |
|
7608 | 0 | token = njs_lexer_token(parser->lexer, 0); |
7609 | 0 | if (token == NULL) { |
7610 | 0 | return NJS_ERROR; |
7611 | 0 | } |
7612 | | |
7613 | 0 | type = NJS_TOKEN_ASYNC_FUNCTION; |
7614 | 0 | } |
7615 | | |
7616 | 4.44k | switch (token->type) { |
7617 | | /* PropertyName */ |
7618 | 0 | case NJS_TOKEN_STRING: |
7619 | 0 | case NJS_TOKEN_ESCAPE_STRING: |
7620 | 4.43k | case NJS_TOKEN_NUMBER: |
7621 | 4.43k | break; |
7622 | | |
7623 | 1 | default: |
7624 | 1 | if (njs_lexer_token_is_identifier_name(token)) { |
7625 | 1 | break; |
7626 | 1 | } |
7627 | | |
7628 | 0 | return njs_parser_failed(parser); |
7629 | 4.44k | } |
7630 | | |
7631 | 4.44k | njs_lexer_consume_token(parser->lexer, 1); |
7632 | | |
7633 | 4.44k | next = njs_lexer_token(parser->lexer, 0); |
7634 | 4.44k | if (next == NULL) { |
7635 | 0 | return NJS_ERROR; |
7636 | 0 | } |
7637 | | |
7638 | 4.44k | if (next->type != NJS_TOKEN_OPEN_PARENTHESIS) { |
7639 | 0 | return njs_parser_failed(parser); |
7640 | 0 | } |
7641 | | |
7642 | 4.44k | expr = njs_parser_node_new(parser, type); |
7643 | 4.44k | if (expr == NULL) { |
7644 | 0 | return NJS_ERROR; |
7645 | 0 | } |
7646 | | |
7647 | 4.44k | expr->token_line = next->line; |
7648 | | |
7649 | 4.44k | parser->node = expr; |
7650 | | |
7651 | 4.44k | njs_lexer_consume_token(parser->lexer, 1); |
7652 | 4.44k | njs_parser_next(parser, njs_parser_function_lambda); |
7653 | | |
7654 | 4.44k | return NJS_OK; |
7655 | 4.44k | } |
7656 | | |
7657 | | |
7658 | | static njs_int_t |
7659 | | njs_parser_get_set(njs_parser_t *parser, njs_lexer_token_t *token, |
7660 | | njs_queue_link_t *current) |
7661 | 2.59k | { |
7662 | 2.59k | njs_token_type_t accessor; |
7663 | 2.59k | njs_lexer_token_t *name; |
7664 | 2.59k | njs_parser_node_t *property, *expression, *temp; |
7665 | | |
7666 | 2.59k | temp = parser->target; |
7667 | 2.59k | accessor = (njs_token_type_t) (uintptr_t) temp->right; |
7668 | | |
7669 | 2.59k | name = token; |
7670 | | |
7671 | 2.59k | token = njs_lexer_peek_token(parser->lexer, token, 0); |
7672 | 2.59k | if (token == NULL) { |
7673 | 0 | return NJS_ERROR; |
7674 | 0 | } |
7675 | | |
7676 | 2.59k | switch (token->type) { |
7677 | | /* IdentifierReference */ |
7678 | 1 | case NJS_TOKEN_NAME: |
7679 | 1 | case NJS_TOKEN_STRING: |
7680 | 1 | case NJS_TOKEN_ESCAPE_STRING: |
7681 | 2.21k | case NJS_TOKEN_NUMBER: |
7682 | 2.21k | break; |
7683 | | |
7684 | 0 | case NJS_TOKEN_OPEN_BRACKET: |
7685 | 0 | njs_lexer_consume_token(parser->lexer, 2); |
7686 | |
|
7687 | 0 | njs_parser_next(parser, njs_parser_assignment_expression); |
7688 | |
|
7689 | 0 | return njs_parser_after(parser, current, temp, 1, |
7690 | 1 | njs_parser_get_set_after); |
7691 | | |
7692 | 379 | default: |
7693 | 379 | if (njs_lexer_token_is_identifier_name(token)) { |
7694 | 0 | break; |
7695 | 0 | } |
7696 | | |
7697 | 379 | return njs_parser_property_definition_ident(parser, name, temp); |
7698 | 2.59k | } |
7699 | | |
7700 | 2.21k | property = njs_parser_property_name_node(parser, token); |
7701 | 2.21k | if (property == NULL) { |
7702 | 0 | return NJS_ERROR; |
7703 | 0 | } |
7704 | | |
7705 | 2.21k | njs_lexer_consume_token(parser->lexer, 2); |
7706 | | |
7707 | 2.21k | token = njs_lexer_token(parser->lexer, 0); |
7708 | 2.21k | if (token == NULL) { |
7709 | 0 | return NJS_ERROR; |
7710 | 0 | } |
7711 | | |
7712 | 2.21k | if (token->type != NJS_TOKEN_OPEN_PARENTHESIS) { |
7713 | 1 | return njs_parser_failed(parser); |
7714 | 1 | } |
7715 | | |
7716 | 2.21k | expression = njs_parser_node_new(parser, NJS_TOKEN_FUNCTION); |
7717 | 2.21k | if (expression == NULL) { |
7718 | 0 | return NJS_ERROR; |
7719 | 0 | } |
7720 | | |
7721 | 2.21k | expression->token_line = token->line; |
7722 | | |
7723 | 2.21k | temp->right = property; |
7724 | | |
7725 | 2.21k | parser->node = expression; |
7726 | | |
7727 | 2.21k | njs_lexer_consume_token(parser->lexer, 1); |
7728 | 2.21k | njs_parser_next(parser, njs_parser_function_lambda); |
7729 | | |
7730 | 2.21k | if (accessor == NJS_TOKEN_PROPERTY_GETTER) { |
7731 | 2.21k | return njs_parser_after(parser, current, temp, 1, njs_parser_get_after); |
7732 | 2.21k | } |
7733 | | |
7734 | 0 | return njs_parser_after(parser, current, temp, 1, njs_parser_set_after); |
7735 | 2.21k | } |
7736 | | |
7737 | | |
7738 | | static njs_int_t |
7739 | | njs_parser_get_set_after(njs_parser_t *parser, njs_lexer_token_t *token, |
7740 | | njs_queue_link_t *current) |
7741 | 0 | { |
7742 | 0 | njs_token_type_t accessor; |
7743 | 0 | njs_parser_node_t *expression, *temp; |
7744 | |
|
7745 | 0 | if (token->type != NJS_TOKEN_CLOSE_BRACKET) { |
7746 | 0 | return njs_parser_failed(parser); |
7747 | 0 | } |
7748 | | |
7749 | 0 | njs_lexer_consume_token(parser->lexer, 1); |
7750 | |
|
7751 | 0 | token = njs_lexer_token(parser->lexer, 0); |
7752 | 0 | if (token == NULL) { |
7753 | 0 | return NJS_ERROR; |
7754 | 0 | } |
7755 | | |
7756 | 0 | if (token->type != NJS_TOKEN_OPEN_PARENTHESIS) { |
7757 | 0 | return njs_parser_failed(parser); |
7758 | 0 | } |
7759 | | |
7760 | 0 | expression = njs_parser_node_new(parser, NJS_TOKEN_FUNCTION); |
7761 | 0 | if (expression == NULL) { |
7762 | 0 | return NJS_ERROR; |
7763 | 0 | } |
7764 | | |
7765 | 0 | expression->token_line = token->line; |
7766 | |
|
7767 | 0 | temp = parser->target; |
7768 | |
|
7769 | 0 | accessor = (njs_token_type_t) (uintptr_t) temp->right; |
7770 | 0 | temp->right = parser->node; |
7771 | |
|
7772 | 0 | parser->node = expression; |
7773 | |
|
7774 | 0 | njs_lexer_consume_token(parser->lexer, 1); |
7775 | 0 | njs_parser_next(parser, njs_parser_function_lambda); |
7776 | |
|
7777 | 0 | if (accessor == NJS_TOKEN_PROPERTY_GETTER) { |
7778 | 0 | return njs_parser_after(parser, current, temp, 1, njs_parser_get_after); |
7779 | 0 | } |
7780 | | |
7781 | 0 | return njs_parser_after(parser, current, temp, 1, njs_parser_set_after); |
7782 | 0 | } |
7783 | | |
7784 | | |
7785 | | static njs_int_t |
7786 | | njs_parser_get_after(njs_parser_t *parser, njs_lexer_token_t *token, |
7787 | | njs_queue_link_t *current) |
7788 | 2.21k | { |
7789 | 2.21k | njs_int_t ret; |
7790 | 2.21k | njs_parser_node_t *expression, *temp; |
7791 | 2.21k | njs_function_lambda_t *lambda; |
7792 | | |
7793 | 2.21k | temp = parser->target; |
7794 | | |
7795 | 2.21k | expression = parser->node; |
7796 | 2.21k | lambda = expression->u.value.data.u.lambda; |
7797 | | |
7798 | 2.21k | if (lambda->nargs != 0) { |
7799 | 0 | njs_parser_syntax_error(parser, |
7800 | 0 | "Getter must not have any formal parameters"); |
7801 | 0 | return NJS_DONE; |
7802 | 0 | } |
7803 | | |
7804 | 2.21k | ret = njs_parser_property_accessor(parser, temp->left, temp->right, |
7805 | 2.21k | expression, NJS_TOKEN_PROPERTY_GETTER); |
7806 | 2.21k | if (ret != NJS_OK) { |
7807 | 0 | return NJS_ERROR; |
7808 | 0 | } |
7809 | | |
7810 | 2.21k | parser->node = temp->left; |
7811 | 2.21k | parser->target = NULL; |
7812 | | |
7813 | 2.21k | return njs_parser_stack_pop(parser); |
7814 | 2.21k | } |
7815 | | |
7816 | | |
7817 | | static njs_int_t |
7818 | | njs_parser_set_after(njs_parser_t *parser, njs_lexer_token_t *token, |
7819 | | njs_queue_link_t *current) |
7820 | 0 | { |
7821 | 0 | njs_int_t ret; |
7822 | 0 | njs_parser_node_t *expression, *temp; |
7823 | 0 | njs_function_lambda_t *lambda; |
7824 | |
|
7825 | 0 | temp = parser->target; |
7826 | |
|
7827 | 0 | expression = parser->node; |
7828 | 0 | lambda = expression->u.value.data.u.lambda; |
7829 | |
|
7830 | 0 | if (lambda->nargs != 1) { |
7831 | 0 | njs_parser_syntax_error(parser, |
7832 | 0 | "Setter must have exactly one formal parameter"); |
7833 | 0 | return NJS_DONE; |
7834 | 0 | } |
7835 | | |
7836 | 0 | ret = njs_parser_property_accessor(parser, temp->left, temp->right, |
7837 | 0 | expression, NJS_TOKEN_PROPERTY_SETTER); |
7838 | 0 | if (ret != NJS_OK) { |
7839 | 0 | return NJS_ERROR; |
7840 | 0 | } |
7841 | | |
7842 | 0 | parser->node = temp->left; |
7843 | 0 | parser->target = NULL; |
7844 | |
|
7845 | 0 | return njs_parser_stack_pop(parser); |
7846 | 0 | } |
7847 | | |
7848 | | |
7849 | | static njs_int_t |
7850 | | njs_parser_function_lambda(njs_parser_t *parser, |
7851 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
7852 | 6.65k | { |
7853 | 6.65k | njs_int_t ret; |
7854 | 6.65k | njs_parser_node_t *expr; |
7855 | 6.65k | njs_function_lambda_t *lambda; |
7856 | | |
7857 | 6.65k | lambda = njs_function_lambda_alloc(parser->vm, 0); |
7858 | 6.65k | if (lambda == NULL) { |
7859 | 0 | return NJS_ERROR; |
7860 | 0 | } |
7861 | | |
7862 | 6.65k | expr = parser->node; |
7863 | 6.65k | expr->u.value.data.u.lambda = lambda; |
7864 | | |
7865 | 6.65k | ret = njs_parser_scope_begin(parser, NJS_SCOPE_FUNCTION, 1); |
7866 | 6.65k | if (ret != NJS_OK) { |
7867 | 0 | return NJS_ERROR; |
7868 | 0 | } |
7869 | | |
7870 | 6.65k | parser->scope->async = |
7871 | 6.65k | (parser->node->token_type == NJS_TOKEN_ASYNC_FUNCTION); |
7872 | | |
7873 | 6.65k | parser->node = NULL; |
7874 | 6.65k | parser->target = expr; |
7875 | | |
7876 | 6.65k | njs_parser_next(parser, njs_parser_unique_formal_parameters); |
7877 | | |
7878 | 6.65k | return njs_parser_after(parser, current, expr, 1, |
7879 | 6.65k | njs_parser_function_lambda_args_after); |
7880 | 6.65k | } |
7881 | | |
7882 | | |
7883 | | static njs_int_t |
7884 | | njs_parser_function_lambda_args_after(njs_parser_t *parser, |
7885 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
7886 | 27.6k | { |
7887 | 27.6k | if (token->type != NJS_TOKEN_CLOSE_PARENTHESIS) { |
7888 | 376 | return njs_parser_failed(parser); |
7889 | 376 | } |
7890 | | |
7891 | 27.2k | njs_lexer_consume_token(parser->lexer, 1); |
7892 | | |
7893 | 27.2k | token = njs_lexer_token(parser->lexer, 0); |
7894 | 27.2k | if (token == NULL) { |
7895 | 0 | return NJS_ERROR; |
7896 | 0 | } |
7897 | | |
7898 | 27.2k | if (token->type != NJS_TOKEN_OPEN_BRACE) { |
7899 | 0 | return njs_parser_failed(parser); |
7900 | 0 | } |
7901 | | |
7902 | 27.2k | njs_lexer_consume_token(parser->lexer, 1); |
7903 | | |
7904 | 27.2k | token = njs_lexer_token(parser->lexer, 0); |
7905 | 27.2k | if (token == NULL) { |
7906 | 0 | return NJS_ERROR; |
7907 | 0 | } |
7908 | | |
7909 | 27.2k | if (token->type == NJS_TOKEN_CLOSE_BRACE) { |
7910 | 502 | parser->node = NULL; |
7911 | | |
7912 | 502 | njs_parser_next(parser, njs_parser_function_lambda_body_after); |
7913 | | |
7914 | 502 | return NJS_OK; |
7915 | 502 | } |
7916 | | |
7917 | 26.7k | parser->node = NULL; |
7918 | | |
7919 | 26.7k | njs_parser_next(parser, njs_parser_statement_list); |
7920 | | |
7921 | 26.7k | return njs_parser_after(parser, current, parser->target, 1, |
7922 | 27.2k | njs_parser_function_lambda_body_after); |
7923 | 27.2k | } |
7924 | | |
7925 | | |
7926 | | static njs_int_t |
7927 | | njs_parser_function_lambda_body_after(njs_parser_t *parser, |
7928 | | njs_lexer_token_t *token, njs_queue_link_t *current) |
7929 | 13.3k | { |
7930 | 13.3k | njs_parser_node_t *body, *last, *parent; |
7931 | | |
7932 | 13.3k | if (token->type != NJS_TOKEN_CLOSE_BRACE) { |
7933 | 780 | return njs_parser_failed(parser); |
7934 | 780 | } |
7935 | | |
7936 | 12.5k | parent = parser->target; |
7937 | | |
7938 | 12.5k | last = NULL; |
7939 | 12.5k | body = njs_parser_chain_top(parser); |
7940 | | |
7941 | 12.5k | if (body != NULL) { |
7942 | | /* Take the last function body statement. */ |
7943 | 11.8k | last = body->right; |
7944 | | |
7945 | 11.8k | if (last == NULL) { |
7946 | | /* |
7947 | | * The last statement is terminated by semicolon. |
7948 | | * Take the last statement itself. |
7949 | | */ |
7950 | 0 | last = body->left; |
7951 | 0 | } |
7952 | 11.8k | } |
7953 | | |
7954 | 12.5k | if (last == NULL || last->token_type != NJS_TOKEN_RETURN) { |
7955 | | /* |
7956 | | * There is no function body or the last function body |
7957 | | * body statement is not "return" statement. |
7958 | | */ |
7959 | 12.5k | body = njs_parser_return_set(parser, NULL); |
7960 | 12.5k | if (body == NULL) { |
7961 | 0 | return NJS_ERROR; |
7962 | 0 | } |
7963 | | |
7964 | 12.5k | body->right->token_line = token->line; |
7965 | 12.5k | } |
7966 | | |
7967 | 12.5k | parent->right = body; |
7968 | 12.5k | parser->node = parent; |
7969 | | |
7970 | 12.5k | njs_parser_scope_end(parser); |
7971 | | |
7972 | 12.5k | njs_lexer_consume_token(parser->lexer, 1); |
7973 | | |
7974 | 12.5k | return njs_parser_stack_pop(parser); |
7975 | 12.5k | } |
7976 | | |
7977 | | |
7978 | | static njs_int_t |
7979 | | njs_parser_export(njs_parser_t *parser, njs_lexer_token_t *token, |
7980 | | njs_queue_link_t *current) |
7981 | 0 | { |
7982 | 0 | njs_parser_node_t *node; |
7983 | 0 | njs_lexer_token_t *peek; |
7984 | |
|
7985 | 0 | static const njs_str_t as_string = njs_str("as"); |
7986 | |
|
7987 | 0 | if (!parser->module) { |
7988 | 0 | njs_parser_syntax_error(parser, "Illegal export statement"); |
7989 | 0 | return NJS_DONE; |
7990 | 0 | } |
7991 | | |
7992 | 0 | if (token->type != NJS_TOKEN_DEFAULT) { |
7993 | |
|
7994 | 0 | if (token->type != NJS_TOKEN_OPEN_BRACE) { |
7995 | 0 | njs_parser_syntax_error(parser, |
7996 | 0 | "Non-default export is not supported"); |
7997 | 0 | return NJS_DONE; |
7998 | 0 | } |
7999 | | |
8000 | | /* |
8001 | | * 'export {' |
8002 | | * supported only: export {identifier as default}; |
8003 | | */ |
8004 | | |
8005 | 0 | njs_lexer_consume_token(parser->lexer, 1); |
8006 | |
|
8007 | 0 | token = njs_lexer_token(parser->lexer, 0); |
8008 | 0 | if (njs_slow_path(token == NULL)) { |
8009 | 0 | return NJS_ERROR; |
8010 | 0 | } |
8011 | | |
8012 | 0 | if (token->type != NJS_TOKEN_NAME) { |
8013 | 0 | njs_parser_syntax_error(parser, "Identifier expected"); |
8014 | 0 | return NJS_DONE; |
8015 | 0 | } |
8016 | | |
8017 | 0 | peek = njs_lexer_peek_token(parser->lexer, token, 0); |
8018 | 0 | if (njs_slow_path(peek == NULL)) { |
8019 | 0 | return NJS_ERROR; |
8020 | 0 | } |
8021 | | |
8022 | 0 | if (peek->type != NJS_TOKEN_NAME || |
8023 | 0 | !njs_strstr_eq(&peek->text, &as_string)) |
8024 | 0 | { |
8025 | 0 | njs_parser_syntax_error(parser, "'as' expected"); |
8026 | 0 | return NJS_DONE; |
8027 | 0 | } |
8028 | | |
8029 | 0 | peek = njs_lexer_peek_token(parser->lexer, peek, 0); |
8030 | 0 | if (njs_slow_path(peek == NULL)) { |
8031 | 0 | return NJS_ERROR; |
8032 | 0 | } |
8033 | | |
8034 | 0 | if (peek->type != NJS_TOKEN_DEFAULT) { |
8035 | 0 | njs_parser_syntax_error(parser, |
8036 | 0 | "Non-default export is not supported"); |
8037 | 0 | return NJS_DONE; |
8038 | 0 | } |
8039 | | |
8040 | 0 | peek = njs_lexer_peek_token(parser->lexer, peek, 0); |
8041 | 0 | if (njs_slow_path(peek == NULL)) { |
8042 | 0 | return NJS_ERROR; |
8043 | 0 | } |
8044 | | |
8045 | 0 | if (peek->type != NJS_TOKEN_CLOSE_BRACE) { |
8046 | 0 | njs_parser_syntax_error(parser, "Close brace is expected"); |
8047 | 0 | return NJS_DONE; |
8048 | 0 | } |
8049 | | |
8050 | 0 | node = njs_parser_node_new(parser, NJS_TOKEN_EXPORT); |
8051 | 0 | if (node == NULL) { |
8052 | 0 | return NJS_ERROR; |
8053 | 0 | } |
8054 | | |
8055 | 0 | node->token_line = parser->line; |
8056 | 0 | node->right = njs_parser_reference(parser, token); |
8057 | 0 | if (node->right == NULL) { |
8058 | 0 | return NJS_ERROR; |
8059 | 0 | } |
8060 | | |
8061 | 0 | parser->node = node; |
8062 | |
|
8063 | 0 | njs_lexer_consume_token(parser->lexer, 4); |
8064 | |
|
8065 | 0 | return njs_parser_stack_pop(parser); |
8066 | 0 | } |
8067 | | |
8068 | 0 | njs_lexer_consume_token(parser->lexer, 1); |
8069 | |
|
8070 | 0 | node = njs_parser_node_new(parser, NJS_TOKEN_EXPORT); |
8071 | 0 | if (node == NULL) { |
8072 | 0 | return NJS_ERROR; |
8073 | 0 | } |
8074 | | |
8075 | 0 | node->token_line = parser->line; |
8076 | 0 | parser->node = node; |
8077 | |
|
8078 | 0 | njs_parser_next(parser, njs_parser_assignment_expression); |
8079 | |
|
8080 | 0 | return njs_parser_after(parser, current, node, 1, njs_parser_export_after); |
8081 | 0 | } |
8082 | | |
8083 | | |
8084 | | static njs_int_t |
8085 | | njs_parser_export_after(njs_parser_t *parser, njs_lexer_token_t *token, |
8086 | | njs_queue_link_t *current) |
8087 | 0 | { |
8088 | 0 | if (njs_parser_expect_semicolon(parser, token) != NJS_OK) { |
8089 | 0 | return njs_parser_failed(parser); |
8090 | 0 | } |
8091 | | |
8092 | 0 | parser->target->right = parser->node; |
8093 | 0 | parser->node = parser->target; |
8094 | |
|
8095 | 0 | return njs_parser_stack_pop(parser); |
8096 | 0 | } |
8097 | | |
8098 | | |
8099 | | static njs_mod_t * |
8100 | | njs_parser_module(njs_parser_t *parser, njs_str_t *name) |
8101 | 0 | { |
8102 | 0 | njs_vm_t *vm; |
8103 | 0 | njs_mod_t *module; |
8104 | |
|
8105 | 0 | vm = parser->vm; |
8106 | |
|
8107 | 0 | if (name->length == 0) { |
8108 | 0 | njs_parser_syntax_error(parser, "Cannot find module \"%V\"", name); |
8109 | 0 | return NULL; |
8110 | 0 | } |
8111 | | |
8112 | 0 | module = njs_module_find(vm, name, 1); |
8113 | 0 | if (module != NULL) { |
8114 | 0 | goto done; |
8115 | 0 | } |
8116 | | |
8117 | 0 | if (vm->module_loader == NULL) { |
8118 | 0 | njs_parser_syntax_error(parser, "Cannot load module \"%V\"", name); |
8119 | 0 | return NULL; |
8120 | 0 | } |
8121 | | |
8122 | 0 | module = vm->module_loader(vm, vm->module_loader_opaque, name); |
8123 | 0 | if (module == NULL) { |
8124 | 0 | njs_parser_syntax_error(parser, "Cannot find module \"%V\"", name); |
8125 | 0 | return NULL; |
8126 | 0 | } |
8127 | | |
8128 | 0 | done: |
8129 | |
|
8130 | 0 | if (module->index == 0) { |
8131 | 0 | module->index = vm->shared->module_items++; |
8132 | 0 | } |
8133 | |
|
8134 | 0 | return module; |
8135 | 0 | } |
8136 | | |
8137 | | |
8138 | | static njs_int_t |
8139 | | njs_parser_import(njs_parser_t *parser, njs_lexer_token_t *token, |
8140 | | njs_queue_link_t *current) |
8141 | 0 | { |
8142 | 0 | njs_variable_t *var; |
8143 | 0 | njs_parser_node_t *name, *import; |
8144 | |
|
8145 | 0 | if (parser->scope->parent != NULL) { |
8146 | 0 | njs_parser_syntax_error(parser, "Illegal import statement"); |
8147 | 0 | return NJS_DONE; |
8148 | 0 | } |
8149 | | |
8150 | 0 | if (token->type == NJS_TOKEN_MULTIPLICATION |
8151 | 0 | || token->type == NJS_TOKEN_OPEN_BRACE |
8152 | 0 | || token->type == NJS_TOKEN_STRING) |
8153 | 0 | { |
8154 | 0 | njs_parser_syntax_error(parser, "Non-default import is not supported"); |
8155 | 0 | return NJS_DONE; |
8156 | 0 | } |
8157 | | |
8158 | 0 | if (token->type != NJS_TOKEN_NAME) { |
8159 | 0 | return njs_parser_failed(parser); |
8160 | 0 | } |
8161 | | |
8162 | 0 | name = njs_parser_variable_node(parser, token->unique_id, NJS_VARIABLE_LET, |
8163 | 0 | &var); |
8164 | 0 | if (name == NULL) { |
8165 | 0 | return NJS_ERROR; |
8166 | 0 | } |
8167 | | |
8168 | 0 | var->init = 1; |
8169 | |
|
8170 | 0 | name->token_line = token->line; |
8171 | |
|
8172 | 0 | njs_lexer_consume_token(parser->lexer, 1); |
8173 | |
|
8174 | 0 | token = njs_lexer_token(parser->lexer, 0); |
8175 | 0 | if (token == NULL) { |
8176 | 0 | return NJS_ERROR; |
8177 | 0 | } |
8178 | | |
8179 | 0 | if (token->type != NJS_TOKEN_FROM) { |
8180 | 0 | return njs_parser_failed(parser); |
8181 | 0 | } |
8182 | | |
8183 | 0 | njs_lexer_consume_token(parser->lexer, 1); |
8184 | |
|
8185 | 0 | token = njs_lexer_token(parser->lexer, 0); |
8186 | 0 | if (token == NULL) { |
8187 | 0 | return NJS_ERROR; |
8188 | 0 | } |
8189 | | |
8190 | 0 | if (token->type != NJS_TOKEN_STRING) { |
8191 | 0 | return njs_parser_failed(parser); |
8192 | 0 | } |
8193 | | |
8194 | 0 | import = njs_parser_node_new(parser, NJS_TOKEN_IMPORT); |
8195 | 0 | if (import == NULL) { |
8196 | 0 | return NJS_ERROR; |
8197 | 0 | } |
8198 | | |
8199 | 0 | import->hoist = 1; |
8200 | 0 | import->token_line = parser->line; |
8201 | 0 | import->left = name; |
8202 | |
|
8203 | 0 | import->u.module = njs_parser_module(parser, &token->text); |
8204 | 0 | if (njs_slow_path(import->u.module == NULL)) { |
8205 | 0 | return NJS_ERROR; |
8206 | 0 | } |
8207 | | |
8208 | 0 | njs_lexer_consume_token(parser->lexer, 1); |
8209 | |
|
8210 | 0 | token = njs_lexer_token(parser->lexer, 0); |
8211 | 0 | if (token == NULL) { |
8212 | 0 | return NJS_ERROR; |
8213 | 0 | } |
8214 | | |
8215 | 0 | if (njs_parser_expect_semicolon(parser, token) != NJS_OK) { |
8216 | 0 | return njs_parser_failed(parser); |
8217 | 0 | } |
8218 | | |
8219 | 0 | parser->node = import; |
8220 | |
|
8221 | 0 | return njs_parser_stack_pop(parser); |
8222 | 0 | } |
8223 | | |
8224 | | |
8225 | | static njs_int_t |
8226 | | njs_parser_export_sink(njs_parser_t *parser) |
8227 | 0 | { |
8228 | 0 | njs_uint_t n; |
8229 | 0 | njs_parser_node_t *node, *prev; |
8230 | |
|
8231 | 0 | n = 0; |
8232 | |
|
8233 | 0 | for (node = njs_parser_chain_top(parser); |
8234 | 0 | node != NULL; |
8235 | 0 | node = node->left) |
8236 | 0 | { |
8237 | 0 | if (node->right != NULL |
8238 | 0 | && node->right->token_type == NJS_TOKEN_EXPORT) |
8239 | 0 | { |
8240 | 0 | n++; |
8241 | 0 | } |
8242 | 0 | } |
8243 | |
|
8244 | 0 | if (n != 1) { |
8245 | 0 | njs_parser_syntax_error(parser, |
8246 | 0 | (n == 0) ? "export statement is required" |
8247 | 0 | : "Identifier \"default\" has already been declared"); |
8248 | 0 | return NJS_ERROR; |
8249 | 0 | } |
8250 | | |
8251 | 0 | node = njs_parser_chain_top(parser); |
8252 | |
|
8253 | 0 | if (node->right && node->right->token_type == NJS_TOKEN_EXPORT) { |
8254 | 0 | return NJS_OK; |
8255 | 0 | } |
8256 | | |
8257 | 0 | prev = njs_parser_chain_top(parser); |
8258 | |
|
8259 | 0 | while (prev->left != NULL) { |
8260 | 0 | node = prev->left; |
8261 | |
|
8262 | 0 | if (node->right != NULL |
8263 | 0 | && node->right->token_type == NJS_TOKEN_EXPORT) |
8264 | 0 | { |
8265 | 0 | prev->left = node->left; |
8266 | 0 | break; |
8267 | 0 | } |
8268 | | |
8269 | 0 | prev = prev->left; |
8270 | 0 | } |
8271 | |
|
8272 | 0 | node->left = njs_parser_chain_top(parser); |
8273 | 0 | njs_parser_chain_top_set(parser, node); |
8274 | |
|
8275 | 0 | return NJS_OK; |
8276 | 0 | } |
8277 | | |
8278 | | |
8279 | | static njs_parser_node_t * |
8280 | | njs_parser_return_set(njs_parser_t *parser, njs_parser_node_t *expr) |
8281 | 38.4k | { |
8282 | 38.4k | njs_parser_node_t *stmt, *node; |
8283 | | |
8284 | 38.4k | node = njs_parser_node_new(parser, NJS_TOKEN_RETURN); |
8285 | 38.4k | if (njs_slow_path(node == NULL)) { |
8286 | 0 | return NULL; |
8287 | 0 | } |
8288 | | |
8289 | 38.4k | if (expr != NULL) { |
8290 | 25.9k | node->token_line = expr->token_line; |
8291 | 25.9k | } |
8292 | | |
8293 | 38.4k | node->right = expr; |
8294 | | |
8295 | 38.4k | stmt = njs_parser_node_new(parser, NJS_TOKEN_STATEMENT); |
8296 | 38.4k | if (njs_slow_path(stmt == NULL)) { |
8297 | 0 | return NULL; |
8298 | 0 | } |
8299 | | |
8300 | 38.4k | stmt->left = njs_parser_chain_top(parser); |
8301 | 38.4k | stmt->right = node; |
8302 | | |
8303 | 38.4k | njs_parser_chain_top_set(parser, stmt); |
8304 | | |
8305 | 38.4k | return stmt; |
8306 | 38.4k | } |
8307 | | |
8308 | | |
8309 | | static njs_parser_node_t * |
8310 | | njs_parser_variable_node(njs_parser_t *parser, uintptr_t unique_id, |
8311 | | njs_variable_type_t type, njs_variable_t **retvar) |
8312 | 16.1k | { |
8313 | 16.1k | njs_int_t ret; |
8314 | 16.1k | njs_variable_t *var; |
8315 | 16.1k | njs_parser_node_t *node; |
8316 | | |
8317 | 16.1k | var = njs_variable_add(parser, parser->scope, unique_id, type); |
8318 | 16.1k | if (njs_slow_path(var == NULL)) { |
8319 | 0 | return NULL; |
8320 | 0 | } |
8321 | | |
8322 | 16.1k | if (retvar != NULL) { |
8323 | 12.0k | *retvar = var; |
8324 | 12.0k | } |
8325 | | |
8326 | 16.1k | node = njs_parser_node_new(parser, NJS_TOKEN_NAME); |
8327 | 16.1k | if (njs_slow_path(node == NULL)) { |
8328 | 0 | return NULL; |
8329 | 0 | } |
8330 | | |
8331 | 16.1k | ret = njs_parser_variable_reference(parser, parser->scope, node, unique_id, |
8332 | 16.1k | NJS_DECLARATION); |
8333 | 16.1k | if (njs_slow_path(ret != NJS_OK)) { |
8334 | 0 | return NULL; |
8335 | 0 | } |
8336 | | |
8337 | 16.1k | return node; |
8338 | 16.1k | } |
8339 | | |
8340 | | |
8341 | | static njs_parser_node_t * |
8342 | | njs_parser_reference(njs_parser_t *parser, njs_lexer_token_t *token) |
8343 | 705k | { |
8344 | 705k | njs_int_t ret; |
8345 | 705k | njs_index_t index; |
8346 | 705k | njs_variable_t *var; |
8347 | 705k | njs_parser_node_t *node; |
8348 | 705k | njs_parser_scope_t *scope; |
8349 | 705k | const njs_lexer_keyword_entry_t *keyword; |
8350 | | |
8351 | 705k | static const njs_str_t njs_undefined_str = njs_str("undefined"); |
8352 | | |
8353 | 705k | node = njs_parser_node_new(parser, token->type); |
8354 | 705k | if (njs_slow_path(node == NULL)) { |
8355 | 0 | return NULL; |
8356 | 0 | } |
8357 | | |
8358 | 705k | switch (token->type) { |
8359 | | |
8360 | 446 | case NJS_TOKEN_NULL: |
8361 | 446 | njs_thread_log_debug("JS: null"); |
8362 | 446 | break; |
8363 | | |
8364 | 2.47k | case NJS_TOKEN_THIS: |
8365 | 2.47k | njs_thread_log_debug("JS: this"); |
8366 | | |
8367 | 2.47k | scope = njs_function_scope(parser->scope); |
8368 | 2.47k | if (njs_slow_path(scope == NULL)) { |
8369 | 0 | njs_parser_syntax_error(parser, |
8370 | 0 | "function or global scope not found"); |
8371 | 0 | return NULL; |
8372 | 0 | } |
8373 | | |
8374 | 2.47k | if (parser->vm->options.module) { |
8375 | 0 | keyword = njs_lexer_keyword(njs_undefined_str.start, |
8376 | 0 | njs_undefined_str.length); |
8377 | 0 | if (njs_slow_path(keyword == NULL)) { |
8378 | 0 | return NULL; |
8379 | 0 | } |
8380 | | |
8381 | 0 | token->unique_id = (uintptr_t) keyword->value; |
8382 | |
|
8383 | 2.47k | } else if (!scope->arrow_function) { |
8384 | 2.04k | index = njs_scope_index(scope->type, 0, NJS_LEVEL_LOCAL, |
8385 | 2.04k | NJS_VARIABLE_VAR); |
8386 | | |
8387 | 2.04k | var = njs_variable_scope_add(parser, scope, scope, token->unique_id, |
8388 | 2.04k | NJS_VARIABLE_VAR, index); |
8389 | 2.04k | if (njs_slow_path(var == NULL)) { |
8390 | 0 | return NULL; |
8391 | 0 | } |
8392 | 2.04k | } |
8393 | | |
8394 | 2.47k | node->token_type = NJS_TOKEN_THIS; |
8395 | 2.47k | node->token_line = token->line; |
8396 | | |
8397 | 2.47k | ret = njs_parser_variable_reference(parser, parser->scope, node, |
8398 | 2.47k | token->unique_id, NJS_REFERENCE); |
8399 | 2.47k | if (njs_slow_path(ret != NJS_OK)) { |
8400 | 0 | return NULL; |
8401 | 0 | } |
8402 | | |
8403 | 2.47k | break; |
8404 | | |
8405 | 2.47k | case NJS_TOKEN_ARGUMENTS: |
8406 | 85 | njs_thread_log_debug("JS: arguments"); |
8407 | | |
8408 | 85 | scope = njs_function_scope(parser->scope); |
8409 | | |
8410 | 87 | while (scope->arrow_function) { |
8411 | 2 | scope = njs_function_scope(scope->parent); |
8412 | 2 | } |
8413 | | |
8414 | 85 | if (scope->parent == NULL) { |
8415 | 0 | njs_parser_syntax_error(parser, "\"%V\" object in global scope", |
8416 | 0 | &token->text); |
8417 | 0 | return NULL; |
8418 | 0 | } |
8419 | | |
8420 | 85 | node->token_line = token->line; |
8421 | | |
8422 | 85 | ret = njs_parser_variable_reference(parser, parser->scope, node, |
8423 | 85 | token->unique_id, NJS_REFERENCE); |
8424 | 85 | if (njs_slow_path(ret != NJS_OK)) { |
8425 | 0 | return NULL; |
8426 | 0 | } |
8427 | | |
8428 | 85 | var = njs_variable_add(parser, scope, token->unique_id, |
8429 | 85 | NJS_VARIABLE_VAR); |
8430 | 85 | if (njs_slow_path(var == NULL)) { |
8431 | 0 | return NULL; |
8432 | 0 | } |
8433 | | |
8434 | 85 | var->arguments_object = 1; |
8435 | | |
8436 | 85 | break; |
8437 | | |
8438 | 702k | default: |
8439 | 702k | if (token->type == NJS_TOKEN_EVAL |
8440 | 702k | || njs_lexer_token_is_identifier_reference(token)) |
8441 | 702k | { |
8442 | 702k | njs_thread_log_debug("JS: %V", name); |
8443 | | |
8444 | 702k | if (token->type != NJS_TOKEN_EVAL) { |
8445 | 702k | node->token_type = NJS_TOKEN_NAME; |
8446 | 702k | } |
8447 | | |
8448 | 702k | node->token_line = token->line; |
8449 | | |
8450 | 702k | ret = njs_parser_variable_reference(parser, parser->scope, node, |
8451 | 702k | token->unique_id, NJS_REFERENCE); |
8452 | 702k | if (njs_slow_path(ret != NJS_OK)) { |
8453 | 0 | return NULL; |
8454 | 0 | } |
8455 | | |
8456 | 702k | break; |
8457 | 702k | } |
8458 | | |
8459 | 0 | (void) njs_parser_unexpected_token(parser->vm, parser, &token->text, |
8460 | 0 | token->type); |
8461 | 0 | return NULL; |
8462 | 705k | } |
8463 | | |
8464 | 705k | return node; |
8465 | 705k | } |
8466 | | |
8467 | | |
8468 | | static njs_parser_node_t * |
8469 | | njs_parser_argument(njs_parser_t *parser, njs_parser_node_t *expr, |
8470 | | njs_index_t index) |
8471 | 1.89M | { |
8472 | 1.89M | njs_parser_node_t *node; |
8473 | | |
8474 | 1.89M | node = njs_parser_node_new(parser, NJS_TOKEN_ARGUMENT); |
8475 | 1.89M | if (njs_slow_path(node == NULL)) { |
8476 | 0 | return NULL; |
8477 | 0 | } |
8478 | | |
8479 | 1.89M | node->token_line = expr->token_line; |
8480 | 1.89M | node->index = index; |
8481 | | |
8482 | 1.89M | node->left = expr; |
8483 | 1.89M | expr->dest = node; |
8484 | | |
8485 | 1.89M | return node; |
8486 | 1.89M | } |
8487 | | |
8488 | | |
8489 | | static njs_int_t |
8490 | | njs_parser_object_property(njs_parser_t *parser, njs_parser_node_t *parent, |
8491 | | njs_parser_node_t *property, njs_parser_node_t *value, |
8492 | | njs_bool_t proto_init) |
8493 | 3.89M | { |
8494 | 3.89M | njs_token_type_t type; |
8495 | 3.89M | njs_parser_node_t *stmt, *assign, *object, *propref; |
8496 | | |
8497 | 3.89M | object = njs_parser_node_new(parser, NJS_TOKEN_OBJECT_VALUE); |
8498 | 3.89M | if (njs_slow_path(object == NULL)) { |
8499 | 0 | return NJS_TOKEN_ERROR; |
8500 | 0 | } |
8501 | | |
8502 | 3.89M | object->token_line = value->token_line; |
8503 | 3.89M | object->u.object = parent; |
8504 | | |
8505 | 3.89M | type = proto_init ? NJS_TOKEN_PROTO_INIT : NJS_TOKEN_PROPERTY_INIT; |
8506 | | |
8507 | 3.89M | propref = njs_parser_node_new(parser, type); |
8508 | 3.89M | if (njs_slow_path(propref == NULL)) { |
8509 | 0 | return NJS_ERROR; |
8510 | 0 | } |
8511 | | |
8512 | 3.89M | propref->token_line = value->token_line; |
8513 | 3.89M | propref->left = object; |
8514 | 3.89M | propref->right = property; |
8515 | | |
8516 | 3.89M | assign = njs_parser_node_new(parser, NJS_TOKEN_ASSIGNMENT); |
8517 | 3.89M | if (njs_slow_path(assign == NULL)) { |
8518 | 0 | return NJS_ERROR; |
8519 | 0 | } |
8520 | | |
8521 | 3.89M | assign->token_line = value->token_line; |
8522 | 3.89M | assign->u.operation = NJS_VMCODE_MOVE; |
8523 | 3.89M | assign->left = propref; |
8524 | 3.89M | assign->right = value; |
8525 | | |
8526 | 3.89M | stmt = njs_parser_node_new(parser, NJS_TOKEN_STATEMENT); |
8527 | 3.89M | if (njs_slow_path(stmt == NULL)) { |
8528 | 0 | return NJS_ERROR; |
8529 | 0 | } |
8530 | | |
8531 | 3.89M | stmt->right = assign; |
8532 | 3.89M | stmt->left = parent->left; |
8533 | 3.89M | parent->left = stmt; |
8534 | | |
8535 | 3.89M | return NJS_OK; |
8536 | 3.89M | } |
8537 | | |
8538 | | |
8539 | | static njs_int_t |
8540 | | njs_parser_property_accessor(njs_parser_t *parser, njs_parser_node_t *parent, |
8541 | | njs_parser_node_t *property, njs_parser_node_t *value, |
8542 | | njs_token_type_t accessor) |
8543 | 2.21k | { |
8544 | 2.21k | njs_parser_node_t *node, *stmt, *object, *propref; |
8545 | | |
8546 | 2.21k | object = njs_parser_node_new(parser, NJS_TOKEN_OBJECT_VALUE); |
8547 | 2.21k | if (njs_slow_path(object == NULL)) { |
8548 | 0 | return NJS_TOKEN_ERROR; |
8549 | 0 | } |
8550 | | |
8551 | 2.21k | object->token_line = value->token_line; |
8552 | 2.21k | object->u.object = parent; |
8553 | | |
8554 | 2.21k | propref = njs_parser_node_new(parser, 0); |
8555 | 2.21k | if (njs_slow_path(propref == NULL)) { |
8556 | 0 | return NJS_ERROR; |
8557 | 0 | } |
8558 | | |
8559 | 2.21k | propref->left = object; |
8560 | 2.21k | propref->right = property; |
8561 | | |
8562 | 2.21k | node = njs_parser_node_new(parser, accessor); |
8563 | 2.21k | if (njs_slow_path(node == NULL)) { |
8564 | 0 | return NJS_ERROR; |
8565 | 0 | } |
8566 | | |
8567 | 2.21k | node->token_line = value->token_line; |
8568 | 2.21k | node->left = propref; |
8569 | 2.21k | node->right = value; |
8570 | | |
8571 | 2.21k | stmt = njs_parser_node_new(parser, NJS_TOKEN_STATEMENT); |
8572 | 2.21k | if (njs_slow_path(stmt == NULL)) { |
8573 | 0 | return NJS_ERROR; |
8574 | 0 | } |
8575 | | |
8576 | 2.21k | stmt->right = node; |
8577 | 2.21k | stmt->left = parent->left; |
8578 | 2.21k | parent->left = stmt; |
8579 | | |
8580 | 2.21k | return NJS_OK; |
8581 | 2.21k | } |
8582 | | |
8583 | | |
8584 | | static njs_int_t |
8585 | | njs_parser_array_item(njs_parser_t *parser, njs_parser_node_t *array, |
8586 | | njs_parser_node_t *value) |
8587 | 3.88M | { |
8588 | 3.88M | njs_int_t ret; |
8589 | 3.88M | njs_parser_node_t *number; |
8590 | | |
8591 | 3.88M | number = njs_parser_node_new(parser, NJS_TOKEN_NUMBER); |
8592 | 3.88M | if (njs_slow_path(number == NULL)) { |
8593 | 0 | return NJS_ERROR; |
8594 | 0 | } |
8595 | | |
8596 | 3.88M | njs_set_number(&number->u.value, array->u.length); |
8597 | | |
8598 | 3.88M | number->token_line = value->token_line; |
8599 | | |
8600 | 3.88M | ret = njs_parser_object_property(parser, array, number, value, 0); |
8601 | 3.88M | if (njs_slow_path(ret != NJS_OK)) { |
8602 | 0 | return NJS_ERROR; |
8603 | 0 | } |
8604 | | |
8605 | 3.88M | array->ctor = 0; |
8606 | 3.88M | array->u.length++; |
8607 | | |
8608 | 3.88M | return NJS_OK; |
8609 | 3.88M | } |
8610 | | |
8611 | | |
8612 | | static njs_int_t |
8613 | | njs_parser_template_string(njs_parser_t *parser, njs_lexer_token_t *token) |
8614 | 1.90M | { |
8615 | 1.90M | u_char *p, c; |
8616 | 1.90M | njs_int_t ret; |
8617 | 1.90M | njs_str_t *text; |
8618 | 1.90M | njs_bool_t escape; |
8619 | 1.90M | njs_lexer_t *lexer; |
8620 | 1.90M | njs_parser_node_t *node; |
8621 | | |
8622 | 1.90M | lexer = parser->lexer; |
8623 | 1.90M | text = &token->text; |
8624 | | |
8625 | 1.90M | escape = 0; |
8626 | 1.90M | p = text->start; |
8627 | | |
8628 | 1.90M | if (p == NULL) { |
8629 | 0 | return NJS_ERROR; |
8630 | 0 | } |
8631 | | |
8632 | 7.47M | while (p < lexer->end) { |
8633 | | |
8634 | 7.47M | c = *p++; |
8635 | | |
8636 | 7.47M | switch (c) { |
8637 | 32.0k | case '\\': |
8638 | 32.0k | if (p == lexer->end) { |
8639 | 0 | return NJS_ERROR; |
8640 | 0 | } |
8641 | | |
8642 | 32.0k | p++; |
8643 | 32.0k | escape = 1; |
8644 | | |
8645 | 32.0k | continue; |
8646 | | |
8647 | 1.89M | case '`': |
8648 | 1.89M | text->length = p - text->start - 1; |
8649 | 1.89M | goto done; |
8650 | | |
8651 | 77.2k | case '$': |
8652 | 77.2k | if (p < lexer->end && *p == '{') { |
8653 | 13.7k | p++; |
8654 | 13.7k | text->length = p - text->start - 2; |
8655 | | |
8656 | 13.7k | ret = njs_lexer_in_stack_push(lexer); |
8657 | 13.7k | if (njs_slow_path(ret != NJS_OK)) { |
8658 | 0 | return NJS_ERROR; |
8659 | 0 | } |
8660 | | |
8661 | 13.7k | goto done; |
8662 | 13.7k | } |
8663 | | |
8664 | 63.5k | break; |
8665 | | |
8666 | 149k | case '\n': |
8667 | 149k | parser->lexer->line++; |
8668 | 149k | break; |
8669 | 7.47M | } |
8670 | 7.47M | } |
8671 | | |
8672 | 16 | return NJS_ERROR; |
8673 | | |
8674 | 1.90M | done: |
8675 | | |
8676 | 1.90M | node = njs_parser_node_new(parser, NJS_TOKEN_STRING); |
8677 | 1.90M | if (njs_slow_path(node == NULL)) { |
8678 | 0 | return NJS_ERROR; |
8679 | 0 | } |
8680 | | |
8681 | 1.90M | node->token_line = token->line; |
8682 | | |
8683 | 1.90M | if (escape) { |
8684 | 7.74k | ret = njs_parser_escape_string_create(parser, token, &node->u.value); |
8685 | 7.74k | if (njs_slow_path(ret != NJS_TOKEN_STRING)) { |
8686 | 1 | return NJS_ERROR; |
8687 | 1 | } |
8688 | | |
8689 | 1.89M | } else { |
8690 | 1.89M | ret = njs_parser_string_create(parser->vm, token, &node->u.value); |
8691 | 1.89M | if (njs_slow_path(ret != NJS_OK)) { |
8692 | 0 | return NJS_ERROR; |
8693 | 0 | } |
8694 | 1.89M | } |
8695 | | |
8696 | 1.90M | lexer->start = p; |
8697 | 1.90M | parser->node = node; |
8698 | | |
8699 | 1.90M | return c == '`' ? NJS_DONE : NJS_OK; |
8700 | 1.90M | } |
8701 | | |
8702 | | |
8703 | | njs_int_t |
8704 | | njs_parser_string_create(njs_vm_t *vm, njs_lexer_token_t *token, |
8705 | | njs_value_t *value) |
8706 | 1.97M | { |
8707 | 1.97M | size_t length; |
8708 | 1.97M | njs_str_t dst; |
8709 | | |
8710 | 1.97M | length = njs_decode_utf8_length(&token->text, &dst.length); |
8711 | 1.97M | dst.start = njs_string_alloc(vm, value, dst.length, length); |
8712 | 1.97M | if (njs_slow_path(dst.start == NULL)) { |
8713 | 0 | return NJS_ERROR; |
8714 | 0 | } |
8715 | | |
8716 | 1.97M | njs_decode_utf8(&dst, &token->text); |
8717 | | |
8718 | 1.97M | if (length > NJS_STRING_MAP_STRIDE && dst.length != length) { |
8719 | 13.8k | njs_string_utf8_offset_map_init(value->long_string.data->start, |
8720 | 13.8k | dst.length); |
8721 | 13.8k | } |
8722 | | |
8723 | 1.97M | return NJS_OK; |
8724 | 1.97M | } |
8725 | | |
8726 | | |
8727 | | static njs_token_type_t |
8728 | | njs_parser_escape_string_create(njs_parser_t *parser, njs_lexer_token_t *token, |
8729 | | njs_value_t *value) |
8730 | 7.75k | { |
8731 | 7.75k | u_char c, *start, *dst; |
8732 | 7.75k | size_t size, length, hex_length; |
8733 | 7.75k | uint64_t cp, cp_pair; |
8734 | 7.75k | njs_int_t ret; |
8735 | 7.75k | njs_str_t *string; |
8736 | 7.75k | const u_char *src, *end, *hex_end; |
8737 | 7.75k | njs_unicode_decode_t ctx; |
8738 | | |
8739 | 7.75k | ret = njs_parser_escape_string_calc_length(parser, token, &size, &length); |
8740 | 7.75k | if (njs_slow_path(ret != NJS_OK)) { |
8741 | 0 | return NJS_TOKEN_ILLEGAL; |
8742 | 0 | } |
8743 | | |
8744 | 7.75k | start = njs_string_alloc(parser->vm, value, size, length); |
8745 | 7.75k | if (njs_slow_path(start == NULL)) { |
8746 | 0 | return NJS_TOKEN_ERROR; |
8747 | 0 | } |
8748 | | |
8749 | 7.75k | dst = start; |
8750 | 7.75k | cp_pair = 0; |
8751 | | |
8752 | 7.75k | string = &token->text; |
8753 | 7.75k | src = string->start; |
8754 | 7.75k | end = src + string->length; |
8755 | | |
8756 | 1.91M | while (src < end) { |
8757 | 1.90M | c = *src++; |
8758 | | |
8759 | 1.90M | if (c == '\\') { |
8760 | | /* |
8761 | | * Testing "src == end" is not required here |
8762 | | * since this has been already tested by lexer. |
8763 | | */ |
8764 | | |
8765 | 32.3k | c = *src++; |
8766 | | |
8767 | 32.3k | switch (c) { |
8768 | 2.60k | case 'u': |
8769 | | /* |
8770 | | * A character after "u" can be safely tested here |
8771 | | * because there is always a closing quote at the |
8772 | | * end of string: ...\u". |
8773 | | */ |
8774 | | |
8775 | 2.60k | if (*src != '{') { |
8776 | 2.53k | hex_length = 4; |
8777 | 2.53k | goto hex_length; |
8778 | 2.53k | } |
8779 | | |
8780 | 70 | src++; |
8781 | 70 | hex_length = 0; |
8782 | 70 | hex_end = end; |
8783 | | |
8784 | 70 | goto hex; |
8785 | | |
8786 | 0 | case 'x': |
8787 | 0 | hex_length = 2; |
8788 | 0 | goto hex_length; |
8789 | | |
8790 | 258 | case '0': |
8791 | 258 | c = '\0'; |
8792 | 258 | break; |
8793 | | |
8794 | 86 | case '1': |
8795 | 425 | case '2': |
8796 | 534 | case '3': |
8797 | 534 | case '4': |
8798 | 545 | case '5': |
8799 | 550 | case '6': |
8800 | 558 | case '7': |
8801 | 558 | if (parser->node != NULL) { |
8802 | 557 | switch (parser->node->token_type) { |
8803 | 545 | case NJS_TOKEN_METHOD_CALL: |
8804 | 557 | case NJS_TOKEN_FUNCTION_CALL: |
8805 | 557 | case NJS_TOKEN_FUNCTION_EXPRESSION: |
8806 | 557 | case NJS_TOKEN_EVAL: |
8807 | 557 | goto next_char; |
8808 | | |
8809 | 0 | default: |
8810 | 0 | break; |
8811 | 557 | } |
8812 | 557 | } |
8813 | | |
8814 | 1 | njs_parser_syntax_error(parser, |
8815 | 1 | "Octal escape sequences can't be used " |
8816 | 1 | "in untagged template literals " |
8817 | 1 | "or in strict mode code"); |
8818 | | |
8819 | 1 | return NJS_TOKEN_ILLEGAL; |
8820 | | |
8821 | 15 | case '8': |
8822 | 40 | case '9': |
8823 | 40 | if (parser->node != NULL) { |
8824 | 40 | switch (parser->node->token_type) { |
8825 | 25 | case NJS_TOKEN_METHOD_CALL: |
8826 | 40 | case NJS_TOKEN_FUNCTION_CALL: |
8827 | 40 | case NJS_TOKEN_FUNCTION_EXPRESSION: |
8828 | 40 | case NJS_TOKEN_EVAL: |
8829 | 40 | goto next_char; |
8830 | | |
8831 | 0 | default: |
8832 | 0 | break; |
8833 | 40 | } |
8834 | 40 | } |
8835 | | |
8836 | 0 | njs_parser_syntax_error(parser, |
8837 | 0 | "The escapes \\8 and \\9 can't be used " |
8838 | 0 | "in untagged template literals " |
8839 | 0 | "or in strict mode code"); |
8840 | |
|
8841 | 0 | return NJS_TOKEN_ILLEGAL; |
8842 | | |
8843 | 597 | next_char: |
8844 | | |
8845 | 597 | break; |
8846 | | |
8847 | 132 | case 'b': |
8848 | 132 | c = '\b'; |
8849 | 132 | break; |
8850 | | |
8851 | 11 | case 'f': |
8852 | 11 | c = '\f'; |
8853 | 11 | break; |
8854 | | |
8855 | 944 | case 'n': |
8856 | 944 | c = '\n'; |
8857 | 944 | break; |
8858 | | |
8859 | 1.20k | case 'r': |
8860 | 1.20k | c = '\r'; |
8861 | 1.20k | break; |
8862 | | |
8863 | 750 | case 't': |
8864 | 750 | c = '\t'; |
8865 | 750 | break; |
8866 | | |
8867 | 169 | case 'v': |
8868 | 169 | c = '\v'; |
8869 | 169 | break; |
8870 | | |
8871 | 465 | case '\r': |
8872 | | /* |
8873 | | * A character after "\r" can be safely tested here |
8874 | | * because there is always a closing quote at the |
8875 | | * end of string: ...\\r". |
8876 | | */ |
8877 | | |
8878 | 465 | if (*src == '\n') { |
8879 | 110 | src++; |
8880 | 110 | } |
8881 | | |
8882 | 465 | continue; |
8883 | | |
8884 | 55 | case '\n': |
8885 | 55 | continue; |
8886 | | |
8887 | 25.1k | default: |
8888 | 25.1k | if (c >= 0x80) { |
8889 | 4.75k | goto utf8_copy; |
8890 | 4.75k | } |
8891 | | |
8892 | 20.3k | break; |
8893 | 32.3k | } |
8894 | 32.3k | } |
8895 | | |
8896 | 1.90M | if (c < 0x80) { |
8897 | 1.25M | *dst++ = c; |
8898 | | |
8899 | 1.25M | continue; |
8900 | 1.25M | } |
8901 | | |
8902 | 654k | utf8_copy: |
8903 | | |
8904 | 654k | src--; |
8905 | | |
8906 | 654k | njs_utf8_decode_init(&ctx); |
8907 | | |
8908 | 654k | cp = njs_utf8_decode(&ctx, &src, end); |
8909 | 654k | if (cp > NJS_UNICODE_MAX_CODEPOINT) { |
8910 | 645k | cp = NJS_UNICODE_REPLACEMENT; |
8911 | 645k | } |
8912 | | |
8913 | 654k | dst = njs_utf8_encode(dst, cp); |
8914 | | |
8915 | 654k | continue; |
8916 | | |
8917 | 2.53k | hex_length: |
8918 | | |
8919 | 2.53k | hex_end = src + hex_length; |
8920 | | |
8921 | 2.60k | hex: |
8922 | 2.60k | cp = njs_number_hex_parse(&src, hex_end, 0); |
8923 | | |
8924 | | /* Skip '}' character. */ |
8925 | | |
8926 | 2.60k | if (hex_length == 0) { |
8927 | 70 | src++; |
8928 | 70 | } |
8929 | | |
8930 | 2.60k | if (cp_pair != 0) { |
8931 | 470 | if (njs_fast_path(njs_surrogate_trailing(cp))) { |
8932 | 245 | cp = njs_surrogate_pair(cp_pair, cp); |
8933 | | |
8934 | 245 | } else if (njs_slow_path(njs_surrogate_leading(cp))) { |
8935 | 222 | cp = NJS_UNICODE_REPLACEMENT; |
8936 | | |
8937 | 222 | dst = njs_utf8_encode(dst, (uint32_t) cp); |
8938 | | |
8939 | 222 | } else { |
8940 | 3 | dst = njs_utf8_encode(dst, NJS_UNICODE_REPLACEMENT); |
8941 | 3 | } |
8942 | | |
8943 | 470 | cp_pair = 0; |
8944 | | |
8945 | 2.13k | } else if (njs_surrogate_any(cp)) { |
8946 | 1.83k | if (cp <= 0xdbff && src[0] == '\\' && src[1] == 'u') { |
8947 | 470 | cp_pair = cp; |
8948 | 470 | continue; |
8949 | 470 | } |
8950 | | |
8951 | 1.36k | cp = NJS_UNICODE_REPLACEMENT; |
8952 | 1.36k | } |
8953 | | |
8954 | 2.13k | dst = njs_utf8_encode(dst, (uint32_t) cp); |
8955 | 2.13k | if (njs_slow_path(dst == NULL)) { |
8956 | 0 | njs_parser_syntax_error(parser, "Invalid Unicode code point \"%V\"", |
8957 | 0 | &token->text); |
8958 | |
|
8959 | 0 | return NJS_TOKEN_ILLEGAL; |
8960 | 0 | } |
8961 | 2.13k | } |
8962 | | |
8963 | 7.75k | if (length > NJS_STRING_MAP_STRIDE && length != size) { |
8964 | 4.79k | njs_string_utf8_offset_map_init(start, size); |
8965 | 4.79k | } |
8966 | | |
8967 | 7.75k | return NJS_TOKEN_STRING; |
8968 | 7.75k | } |
8969 | | |
8970 | | |
8971 | | static njs_int_t |
8972 | | njs_parser_escape_string_calc_length(njs_parser_t *parser, |
8973 | | njs_lexer_token_t *token, size_t *out_size, size_t *out_length) |
8974 | 7.75k | { |
8975 | 7.75k | size_t size, length, hex_length; |
8976 | 7.75k | uint64_t cp, cp_pair; |
8977 | 7.75k | njs_str_t *string; |
8978 | 7.75k | const u_char *ptr, *src, *end, *hex_end; |
8979 | 7.75k | njs_unicode_decode_t ctx; |
8980 | | |
8981 | 7.75k | size = 0; |
8982 | 7.75k | length = 0; |
8983 | 7.75k | cp_pair = 0; |
8984 | | |
8985 | 7.75k | string = &token->text; |
8986 | 7.75k | src = string->start; |
8987 | 7.75k | end = src + string->length; |
8988 | | |
8989 | 1.91M | while (src < end) { |
8990 | | |
8991 | 1.91M | if (*src == '\\') { |
8992 | 32.3k | src++; |
8993 | | |
8994 | 32.3k | switch (*src) { |
8995 | 2.60k | case 'u': |
8996 | 2.60k | src++; |
8997 | | |
8998 | 2.60k | if (*src != '{') { |
8999 | 2.53k | hex_length = 4; |
9000 | 2.53k | goto hex_length; |
9001 | 2.53k | } |
9002 | | |
9003 | 70 | src++; |
9004 | 70 | hex_length = 0; |
9005 | 70 | hex_end = end; |
9006 | | |
9007 | 70 | goto hex; |
9008 | | |
9009 | 0 | case 'x': |
9010 | 0 | src++; |
9011 | 0 | hex_length = 2; |
9012 | 0 | goto hex_length; |
9013 | | |
9014 | 465 | case '\r': |
9015 | 465 | src++; |
9016 | | |
9017 | 465 | if (*src == '\n') { |
9018 | 110 | src++; |
9019 | 110 | } |
9020 | | |
9021 | 465 | continue; |
9022 | | |
9023 | 55 | case '\n': |
9024 | 55 | src++; |
9025 | 55 | continue; |
9026 | | |
9027 | 29.1k | default: |
9028 | 29.1k | break; |
9029 | 32.3k | } |
9030 | 32.3k | } |
9031 | | |
9032 | 1.90M | if (*src >= 0x80) { |
9033 | 654k | njs_utf8_decode_init(&ctx); |
9034 | | |
9035 | 654k | cp = njs_utf8_decode(&ctx, &src, end); |
9036 | 654k | if (cp > NJS_UNICODE_MAX_CODEPOINT) { |
9037 | 645k | cp = NJS_UNICODE_REPLACEMENT; |
9038 | 645k | } |
9039 | | |
9040 | 654k | size += njs_utf8_size(cp); |
9041 | 654k | length++; |
9042 | | |
9043 | 654k | continue; |
9044 | 654k | } |
9045 | | |
9046 | 1.25M | src++; |
9047 | 1.25M | size++; |
9048 | 1.25M | length++; |
9049 | | |
9050 | 1.25M | continue; |
9051 | | |
9052 | 2.53k | hex_length: |
9053 | | |
9054 | 2.53k | hex_end = src + hex_length; |
9055 | | |
9056 | 2.53k | if (njs_slow_path(hex_end > end)) { |
9057 | 0 | goto invalid; |
9058 | 0 | } |
9059 | | |
9060 | 2.60k | hex: |
9061 | | |
9062 | 2.60k | ptr = src; |
9063 | 2.60k | cp = njs_number_hex_parse(&src, hex_end, 0); |
9064 | | |
9065 | 2.60k | if (hex_length != 0) { |
9066 | 2.53k | if (src != hex_end) { |
9067 | 0 | goto invalid; |
9068 | 0 | } |
9069 | | |
9070 | 2.53k | } else { |
9071 | 70 | if (src == ptr || (src - ptr) > 6) { |
9072 | 0 | goto invalid; |
9073 | 0 | } |
9074 | | |
9075 | 70 | if (src == end || *src++ != '}') { |
9076 | 0 | goto invalid; |
9077 | 0 | } |
9078 | 70 | } |
9079 | | |
9080 | 2.60k | if (cp_pair != 0) { |
9081 | 470 | if (njs_fast_path(njs_surrogate_trailing(cp))) { |
9082 | 245 | cp = njs_surrogate_pair(cp_pair, cp); |
9083 | | |
9084 | 245 | } else if (njs_slow_path(njs_surrogate_leading(cp))) { |
9085 | 222 | cp = NJS_UNICODE_REPLACEMENT; |
9086 | | |
9087 | 222 | size += njs_utf8_size(cp); |
9088 | 222 | length++; |
9089 | | |
9090 | 222 | } else { |
9091 | 3 | size += njs_utf8_size(NJS_UNICODE_REPLACEMENT); |
9092 | 3 | length++; |
9093 | 3 | } |
9094 | | |
9095 | 470 | cp_pair = 0; |
9096 | | |
9097 | 2.13k | } else if (njs_surrogate_any(cp)) { |
9098 | 1.83k | if (cp <= 0xdbff && src[0] == '\\' && src[1] == 'u') { |
9099 | 470 | cp_pair = cp; |
9100 | 470 | continue; |
9101 | 470 | } |
9102 | | |
9103 | 1.36k | cp = NJS_UNICODE_REPLACEMENT; |
9104 | 1.36k | } |
9105 | | |
9106 | 2.13k | size += njs_utf8_size(cp); |
9107 | 2.13k | length++; |
9108 | 2.13k | } |
9109 | | |
9110 | 7.75k | *out_size = size; |
9111 | 7.75k | *out_length = length; |
9112 | | |
9113 | 7.75k | return NJS_OK; |
9114 | | |
9115 | 0 | invalid: |
9116 | |
|
9117 | 0 | njs_parser_syntax_error(parser, "Invalid Unicode code point \"%V\"", |
9118 | 0 | &token->text); |
9119 | 0 | return NJS_ERROR; |
9120 | 7.75k | } |
9121 | | |
9122 | | |
9123 | | njs_bool_t |
9124 | | njs_parser_has_side_effect(njs_parser_node_t *node) |
9125 | 13.2M | { |
9126 | 13.2M | njs_bool_t side_effect; |
9127 | | |
9128 | 13.2M | if (node == NULL) { |
9129 | 7.62M | return 0; |
9130 | 7.62M | } |
9131 | | |
9132 | 5.59M | if (node->token_type >= NJS_TOKEN_ASSIGNMENT |
9133 | 5.59M | && node->token_type <= NJS_TOKEN_LAST_ASSIGNMENT) |
9134 | 84.9k | { |
9135 | 84.9k | return 1; |
9136 | 84.9k | } |
9137 | | |
9138 | 5.50M | if (node->token_type == NJS_TOKEN_FUNCTION_CALL |
9139 | 5.50M | || node->token_type == NJS_TOKEN_METHOD_CALL) |
9140 | 956 | { |
9141 | 956 | return 1; |
9142 | 956 | } |
9143 | | |
9144 | 5.50M | side_effect = njs_parser_has_side_effect(node->left); |
9145 | | |
9146 | 5.50M | if (njs_fast_path(!side_effect)) { |
9147 | 3.83M | return njs_parser_has_side_effect(node->right); |
9148 | 3.83M | } |
9149 | | |
9150 | 1.67M | return side_effect; |
9151 | 5.50M | } |
9152 | | |
9153 | | |
9154 | | njs_int_t |
9155 | | njs_parser_variable_reference(njs_parser_t *parser, njs_parser_scope_t *scope, |
9156 | | njs_parser_node_t *node, uintptr_t unique_id, njs_reference_type_t type) |
9157 | 768k | { |
9158 | 768k | njs_rbtree_node_t *rb_node; |
9159 | 768k | njs_variable_reference_t *vr; |
9160 | 768k | njs_parser_rbtree_node_t parse_node, *rb_parse_node; |
9161 | | |
9162 | 768k | vr = &node->u.reference; |
9163 | | |
9164 | 768k | vr->unique_id = unique_id; |
9165 | 768k | vr->type = type; |
9166 | | |
9167 | 768k | parse_node.key = unique_id; |
9168 | | |
9169 | 768k | rb_node = njs_rbtree_find(&scope->references, &parse_node.node); |
9170 | 768k | if (rb_node != NULL) { |
9171 | 492k | return NJS_OK; |
9172 | 492k | } |
9173 | | |
9174 | 275k | rb_parse_node = njs_mp_alloc(parser->vm->mem_pool, |
9175 | 275k | sizeof(njs_parser_rbtree_node_t)); |
9176 | 275k | if (njs_slow_path(rb_parse_node == NULL)) { |
9177 | 0 | return NJS_ERROR; |
9178 | 0 | } |
9179 | | |
9180 | 275k | rb_parse_node->key = unique_id; |
9181 | 275k | rb_parse_node->index = NJS_INDEX_NONE; |
9182 | | |
9183 | 275k | njs_rbtree_insert(&scope->references, &rb_parse_node->node); |
9184 | | |
9185 | 275k | return NJS_OK; |
9186 | 275k | } |
9187 | | |
9188 | | |
9189 | | njs_token_type_t |
9190 | | njs_parser_unexpected_token(njs_vm_t *vm, njs_parser_t *parser, |
9191 | | njs_str_t *name, njs_token_type_t type) |
9192 | 0 | { |
9193 | 0 | if (type != NJS_TOKEN_END) { |
9194 | 0 | njs_parser_syntax_error(parser, "Unexpected token \"%V\"", name); |
9195 | |
|
9196 | 0 | } else { |
9197 | 0 | njs_parser_syntax_error(parser, "Unexpected end of input"); |
9198 | 0 | } |
9199 | |
|
9200 | 0 | return NJS_DONE; |
9201 | 0 | } |
9202 | | |
9203 | | |
9204 | | static void |
9205 | | njs_parser_error(njs_vm_t *vm, njs_object_type_t type, njs_str_t *file, |
9206 | | uint32_t line, const char *fmt, va_list args) |
9207 | 17.7k | { |
9208 | 17.7k | size_t width; |
9209 | 17.7k | u_char msg[NJS_MAX_ERROR_STR]; |
9210 | 17.7k | u_char *p, *end; |
9211 | 17.7k | njs_int_t ret; |
9212 | 17.7k | njs_value_t value, error; |
9213 | | |
9214 | 17.7k | static const njs_value_t file_name = njs_string("fileName"); |
9215 | 17.7k | static const njs_value_t line_number = njs_string("lineNumber"); |
9216 | | |
9217 | 17.7k | if (njs_slow_path(vm->top_frame == NULL)) { |
9218 | 0 | njs_vm_runtime_init(vm); |
9219 | 0 | } |
9220 | | |
9221 | 17.7k | p = msg; |
9222 | 17.7k | end = msg + NJS_MAX_ERROR_STR; |
9223 | | |
9224 | 17.7k | p = njs_vsprintf(p, end, fmt, args); |
9225 | | |
9226 | 17.7k | width = njs_length(" in ") + file->length + NJS_INT_T_LEN; |
9227 | | |
9228 | 17.7k | if (p > end - width) { |
9229 | 712 | p = end - width; |
9230 | 712 | } |
9231 | | |
9232 | 17.7k | if (file->length != 0 && !vm->options.quiet) { |
9233 | 17.7k | p = njs_sprintf(p, end, " in %V:%uD", file, line); |
9234 | | |
9235 | 17.7k | } else { |
9236 | 0 | p = njs_sprintf(p, end, " in %uD", line); |
9237 | 0 | } |
9238 | | |
9239 | 17.7k | njs_error_new(vm, &error, njs_vm_proto(vm, type), msg, p - msg); |
9240 | | |
9241 | 17.7k | njs_set_number(&value, line); |
9242 | 17.7k | njs_value_property_set(vm, &error, njs_value_arg(&line_number), &value); |
9243 | | |
9244 | 17.7k | if (file->length != 0) { |
9245 | 17.7k | ret = njs_string_set(vm, &value, file->start, file->length); |
9246 | 17.7k | if (ret == NJS_OK) { |
9247 | 17.7k | njs_value_property_set(vm, &error, njs_value_arg(&file_name), |
9248 | 17.7k | &value); |
9249 | 17.7k | } |
9250 | 17.7k | } |
9251 | | |
9252 | 17.7k | njs_vm_throw(vm, &error); |
9253 | 17.7k | } |
9254 | | |
9255 | | |
9256 | | void |
9257 | | njs_parser_lexer_error(njs_parser_t *parser, njs_object_type_t type, |
9258 | | const char *fmt, ...) |
9259 | 15.8k | { |
9260 | 15.8k | va_list args; |
9261 | | |
9262 | 15.8k | if (njs_is_error(&parser->vm->exception)) { |
9263 | 55 | return; |
9264 | 55 | } |
9265 | | |
9266 | 15.8k | va_start(args, fmt); |
9267 | 15.8k | njs_parser_error(parser->vm, type, &parser->lexer->file, |
9268 | 15.8k | parser->lexer->line, fmt, args); |
9269 | 15.8k | va_end(args); |
9270 | 15.8k | } |
9271 | | |
9272 | | |
9273 | | void |
9274 | | njs_parser_node_error(njs_vm_t *vm, njs_object_type_t type, |
9275 | | njs_parser_node_t *node, njs_str_t *file, const char *fmt, ...) |
9276 | 1.92k | { |
9277 | 1.92k | va_list args; |
9278 | | |
9279 | 1.92k | va_start(args, fmt); |
9280 | 1.92k | njs_parser_error(vm, type, file, node->token_line, fmt, args); |
9281 | 1.92k | va_end(args); |
9282 | 1.92k | } |
9283 | | |
9284 | | |
9285 | | njs_int_t |
9286 | | njs_parser_traverse(njs_vm_t *vm, njs_parser_node_t *root, void *ctx, |
9287 | | njs_parser_traverse_cb_t cb) |
9288 | 11.0k | { |
9289 | 11.0k | njs_int_t ret; |
9290 | 11.0k | njs_arr_t *stack; |
9291 | 11.0k | njs_parser_node_t *node, **ref; |
9292 | | |
9293 | 11.0k | if (root == NULL) { |
9294 | 4.32k | return NJS_OK; |
9295 | 4.32k | } |
9296 | | |
9297 | 6.69k | stack = njs_arr_create(vm->mem_pool, 8, sizeof(njs_parser_node_t *)); |
9298 | 6.69k | if (njs_slow_path(stack == NULL)) { |
9299 | 0 | return NJS_ERROR; |
9300 | |
|
9301 | 0 | } |
9302 | | |
9303 | 6.69k | ref = njs_arr_add(stack); |
9304 | 6.69k | if (njs_slow_path(ref == NULL)) { |
9305 | 0 | goto failed; |
9306 | 0 | } |
9307 | | |
9308 | 6.69k | *ref = root; |
9309 | | |
9310 | 16.5k | while (1) { |
9311 | 16.5k | if (njs_arr_is_empty(stack)) { |
9312 | 6.69k | break; |
9313 | 6.69k | } |
9314 | | |
9315 | 9.86k | ref = njs_arr_remove_last(stack); |
9316 | 9.86k | node = *ref; |
9317 | | |
9318 | 9.86k | ret = cb(vm, node, ctx); |
9319 | 9.86k | if (njs_slow_path(ret != NJS_OK)) { |
9320 | 0 | goto failed; |
9321 | 0 | } |
9322 | | |
9323 | 9.86k | if (node->left != NULL) { |
9324 | 1.49k | ref = njs_arr_add(stack); |
9325 | 1.49k | if (njs_slow_path(ref == NULL)) { |
9326 | 0 | goto failed; |
9327 | 0 | } |
9328 | | |
9329 | 1.49k | *ref = node->left; |
9330 | 1.49k | } |
9331 | | |
9332 | 9.86k | if (node->right != NULL) { |
9333 | 1.68k | ref = njs_arr_add(stack); |
9334 | 1.68k | if (njs_slow_path(ref == NULL)) { |
9335 | 0 | goto failed; |
9336 | 0 | } |
9337 | | |
9338 | 1.68k | *ref = node->right; |
9339 | 1.68k | } |
9340 | 9.86k | } |
9341 | | |
9342 | 6.69k | njs_arr_destroy(stack); |
9343 | | |
9344 | 6.69k | return NJS_OK; |
9345 | | |
9346 | 0 | failed: |
9347 | |
|
9348 | 0 | njs_arr_destroy(stack); |
9349 | |
|
9350 | 0 | return NJS_ERROR; |
9351 | 6.69k | } |
9352 | | |
9353 | | |
9354 | | njs_int_t |
9355 | | njs_parser_serialize_ast(njs_parser_node_t *node, njs_chb_t *chain) |
9356 | 0 | { |
9357 | 0 | njs_int_t ret; |
9358 | |
|
9359 | 0 | ret = NJS_OK; |
9360 | |
|
9361 | 0 | njs_parser_serialize_tree(chain, node, &ret, 0); |
9362 | 0 | njs_chb_append_literal(chain, "\n"); |
9363 | |
|
9364 | 0 | return ret; |
9365 | 0 | } |
9366 | | |
9367 | | |
9368 | | njs_inline void |
9369 | | njs_parser_serialize_indent(njs_chb_t *chain, size_t indent) |
9370 | 0 | { |
9371 | 0 | size_t i; |
9372 | |
|
9373 | 0 | for (i = 0; i < indent; i++) { |
9374 | 0 | njs_chb_append_literal(chain, " "); |
9375 | 0 | } |
9376 | 0 | } |
9377 | | |
9378 | | |
9379 | | static void |
9380 | | njs_parser_serialize_tree(njs_chb_t *chain, njs_parser_node_t *node, |
9381 | | njs_int_t *ret, size_t indent) |
9382 | 0 | { |
9383 | 0 | njs_str_t str; |
9384 | |
|
9385 | 0 | njs_chb_append_literal(chain, "{\"name\": \""); |
9386 | |
|
9387 | 0 | *ret |= njs_parser_serialize_node(chain, node); |
9388 | |
|
9389 | 0 | njs_chb_append_literal(chain, "\",\n"); |
9390 | 0 | njs_parser_serialize_indent(chain, indent); |
9391 | 0 | njs_chb_sprintf(chain, 32, " \"line\": %d", node->token_line); |
9392 | |
|
9393 | 0 | switch (node->token_type) { |
9394 | 0 | case NJS_TOKEN_NUMBER: |
9395 | 0 | case NJS_TOKEN_STRING: |
9396 | 0 | case NJS_TOKEN_NAME: |
9397 | 0 | case NJS_TOKEN_FUNCTION_CALL: |
9398 | 0 | njs_chb_append_literal(chain, ",\n"); |
9399 | 0 | njs_parser_serialize_indent(chain, indent); |
9400 | 0 | njs_chb_sprintf(chain, 32, " \"index\": \"%p\"", node->index); |
9401 | |
|
9402 | 0 | switch (node->token_type) { |
9403 | 0 | case NJS_TOKEN_NUMBER: |
9404 | 0 | case NJS_TOKEN_STRING: |
9405 | 0 | njs_chb_append_literal(chain, ",\n"); |
9406 | 0 | njs_parser_serialize_indent(chain, indent); |
9407 | |
|
9408 | 0 | if (node->token_type == NJS_TOKEN_NUMBER) { |
9409 | 0 | njs_chb_sprintf(chain, 32, " \"value\": %f", |
9410 | 0 | njs_number(&node->u.value)); |
9411 | |
|
9412 | 0 | } else { |
9413 | 0 | njs_string_get(&node->u.value, &str); |
9414 | 0 | njs_chb_append_literal(chain, " \"value\": \""); |
9415 | 0 | njs_chb_append_str(chain, &str); |
9416 | 0 | njs_chb_append_literal(chain, "\""); |
9417 | 0 | } |
9418 | |
|
9419 | 0 | break; |
9420 | | |
9421 | 0 | default: |
9422 | 0 | break; |
9423 | 0 | } |
9424 | | |
9425 | 0 | break; |
9426 | | |
9427 | 0 | default: |
9428 | 0 | break; |
9429 | 0 | } |
9430 | | |
9431 | 0 | if (node->left != NULL) { |
9432 | 0 | njs_chb_append_literal(chain, ",\n"); |
9433 | 0 | njs_parser_serialize_indent(chain, indent); |
9434 | 0 | njs_chb_append_literal(chain, " \"left\": "); |
9435 | |
|
9436 | 0 | njs_parser_serialize_tree(chain, node->left, ret, indent + 1); |
9437 | 0 | } |
9438 | |
|
9439 | 0 | if (node->right != NULL) { |
9440 | 0 | njs_chb_append_literal(chain, ",\n"); |
9441 | 0 | njs_parser_serialize_indent(chain, indent); |
9442 | 0 | njs_chb_append_literal(chain, " \"right\": "); |
9443 | |
|
9444 | 0 | njs_parser_serialize_tree(chain, node->right, ret, indent + 1); |
9445 | 0 | } |
9446 | |
|
9447 | 0 | njs_chb_append_literal(chain, "}"); |
9448 | 0 | } |
9449 | | |
9450 | | |
9451 | | static njs_int_t |
9452 | | njs_parser_serialize_node(njs_chb_t *chain, njs_parser_node_t *node) |
9453 | 0 | { |
9454 | 0 | const char *name; |
9455 | |
|
9456 | 0 | #define njs_token_serialize(token) \ |
9457 | 0 | case token: \ |
9458 | 0 | name = &njs_stringify(token)[njs_length("NJS_TOKEN_")]; \ |
9459 | 0 | njs_chb_append(chain, name, njs_strlen(name)); \ |
9460 | 0 | break |
9461 | |
|
9462 | 0 | switch (node->token_type) { |
9463 | 0 | njs_token_serialize(NJS_TOKEN_END); |
9464 | | /* FIXME: NJS_TOKEN_ILLEGAL should not be present in AST */ |
9465 | 0 | njs_token_serialize(NJS_TOKEN_ILLEGAL); |
9466 | 0 | njs_token_serialize(NJS_TOKEN_COMMA); |
9467 | 0 | njs_token_serialize(NJS_TOKEN_CONDITIONAL); |
9468 | 0 | njs_token_serialize(NJS_TOKEN_ASSIGNMENT); |
9469 | 0 | njs_token_serialize(NJS_TOKEN_ADDITION_ASSIGNMENT); |
9470 | 0 | njs_token_serialize(NJS_TOKEN_SUBTRACTION_ASSIGNMENT); |
9471 | 0 | njs_token_serialize(NJS_TOKEN_MULTIPLICATION_ASSIGNMENT); |
9472 | 0 | njs_token_serialize(NJS_TOKEN_EXPONENTIATION_ASSIGNMENT); |
9473 | 0 | njs_token_serialize(NJS_TOKEN_DIVISION_ASSIGNMENT); |
9474 | 0 | njs_token_serialize(NJS_TOKEN_REMAINDER_ASSIGNMENT); |
9475 | 0 | njs_token_serialize(NJS_TOKEN_LEFT_SHIFT_ASSIGNMENT); |
9476 | 0 | njs_token_serialize(NJS_TOKEN_RIGHT_SHIFT_ASSIGNMENT); |
9477 | 0 | njs_token_serialize(NJS_TOKEN_UNSIGNED_RIGHT_SHIFT_ASSIGNMENT); |
9478 | 0 | njs_token_serialize(NJS_TOKEN_BITWISE_OR_ASSIGNMENT); |
9479 | 0 | njs_token_serialize(NJS_TOKEN_BITWISE_XOR_ASSIGNMENT); |
9480 | 0 | njs_token_serialize(NJS_TOKEN_BITWISE_AND_ASSIGNMENT); |
9481 | 0 | njs_token_serialize(NJS_TOKEN_EQUAL); |
9482 | 0 | njs_token_serialize(NJS_TOKEN_NOT_EQUAL); |
9483 | 0 | njs_token_serialize(NJS_TOKEN_STRICT_EQUAL); |
9484 | 0 | njs_token_serialize(NJS_TOKEN_STRICT_NOT_EQUAL); |
9485 | 0 | njs_token_serialize(NJS_TOKEN_ADDITION); |
9486 | 0 | njs_token_serialize(NJS_TOKEN_UNARY_PLUS); |
9487 | 0 | njs_token_serialize(NJS_TOKEN_INCREMENT); |
9488 | 0 | njs_token_serialize(NJS_TOKEN_POST_INCREMENT); |
9489 | 0 | njs_token_serialize(NJS_TOKEN_SUBTRACTION); |
9490 | 0 | njs_token_serialize(NJS_TOKEN_UNARY_NEGATION); |
9491 | 0 | njs_token_serialize(NJS_TOKEN_DECREMENT); |
9492 | 0 | njs_token_serialize(NJS_TOKEN_POST_DECREMENT); |
9493 | 0 | njs_token_serialize(NJS_TOKEN_MULTIPLICATION); |
9494 | 0 | njs_token_serialize(NJS_TOKEN_EXPONENTIATION); |
9495 | 0 | njs_token_serialize(NJS_TOKEN_DIVISION); |
9496 | 0 | njs_token_serialize(NJS_TOKEN_REMAINDER); |
9497 | 0 | njs_token_serialize(NJS_TOKEN_LESS); |
9498 | 0 | njs_token_serialize(NJS_TOKEN_LESS_OR_EQUAL); |
9499 | 0 | njs_token_serialize(NJS_TOKEN_LEFT_SHIFT); |
9500 | 0 | njs_token_serialize(NJS_TOKEN_GREATER); |
9501 | 0 | njs_token_serialize(NJS_TOKEN_GREATER_OR_EQUAL); |
9502 | 0 | njs_token_serialize(NJS_TOKEN_RIGHT_SHIFT); |
9503 | 0 | njs_token_serialize(NJS_TOKEN_UNSIGNED_RIGHT_SHIFT); |
9504 | 0 | njs_token_serialize(NJS_TOKEN_BITWISE_OR); |
9505 | 0 | njs_token_serialize(NJS_TOKEN_LOGICAL_OR); |
9506 | 0 | njs_token_serialize(NJS_TOKEN_BITWISE_XOR); |
9507 | 0 | njs_token_serialize(NJS_TOKEN_BITWISE_AND); |
9508 | 0 | njs_token_serialize(NJS_TOKEN_LOGICAL_AND); |
9509 | 0 | njs_token_serialize(NJS_TOKEN_BITWISE_NOT); |
9510 | 0 | njs_token_serialize(NJS_TOKEN_LOGICAL_NOT); |
9511 | 0 | njs_token_serialize(NJS_TOKEN_COALESCE); |
9512 | 0 | njs_token_serialize(NJS_TOKEN_IN); |
9513 | 0 | njs_token_serialize(NJS_TOKEN_OF); |
9514 | 0 | njs_token_serialize(NJS_TOKEN_INSTANCEOF); |
9515 | 0 | njs_token_serialize(NJS_TOKEN_TYPEOF); |
9516 | 0 | njs_token_serialize(NJS_TOKEN_VOID); |
9517 | 0 | njs_token_serialize(NJS_TOKEN_NEW); |
9518 | 0 | njs_token_serialize(NJS_TOKEN_DELETE); |
9519 | 0 | njs_token_serialize(NJS_TOKEN_YIELD); |
9520 | | |
9521 | 0 | njs_token_serialize(NJS_TOKEN_NULL); |
9522 | 0 | njs_token_serialize(NJS_TOKEN_NUMBER); |
9523 | 0 | njs_token_serialize(NJS_TOKEN_TRUE); |
9524 | 0 | njs_token_serialize(NJS_TOKEN_FALSE); |
9525 | 0 | njs_token_serialize(NJS_TOKEN_STRING); |
9526 | 0 | njs_token_serialize(NJS_TOKEN_TEMPLATE_LITERAL); |
9527 | 0 | njs_token_serialize(NJS_TOKEN_NAME); |
9528 | 0 | njs_token_serialize(NJS_TOKEN_OBJECT); |
9529 | 0 | njs_token_serialize(NJS_TOKEN_OBJECT_VALUE); |
9530 | 0 | njs_token_serialize(NJS_TOKEN_ARRAY); |
9531 | 0 | njs_token_serialize(NJS_TOKEN_REGEXP); |
9532 | | |
9533 | 0 | njs_token_serialize(NJS_TOKEN_PROPERTY); |
9534 | 0 | njs_token_serialize(NJS_TOKEN_PROPERTY_INIT); |
9535 | 0 | njs_token_serialize(NJS_TOKEN_PROPERTY_DELETE); |
9536 | 0 | njs_token_serialize(NJS_TOKEN_PROPERTY_GETTER); |
9537 | 0 | njs_token_serialize(NJS_TOKEN_PROPERTY_SETTER); |
9538 | | |
9539 | 0 | njs_token_serialize(NJS_TOKEN_PROTO_INIT); |
9540 | | |
9541 | 0 | njs_token_serialize(NJS_TOKEN_FUNCTION); |
9542 | 0 | njs_token_serialize(NJS_TOKEN_ASYNC_FUNCTION); |
9543 | 0 | njs_token_serialize(NJS_TOKEN_FUNCTION_DECLARATION); |
9544 | 0 | njs_token_serialize(NJS_TOKEN_ASYNC_FUNCTION_DECLARATION); |
9545 | 0 | njs_token_serialize(NJS_TOKEN_FUNCTION_EXPRESSION); |
9546 | 0 | njs_token_serialize(NJS_TOKEN_ASYNC_FUNCTION_EXPRESSION); |
9547 | 0 | njs_token_serialize(NJS_TOKEN_FUNCTION_CALL); |
9548 | 0 | njs_token_serialize(NJS_TOKEN_METHOD_CALL); |
9549 | | |
9550 | 0 | njs_token_serialize(NJS_TOKEN_ARGUMENT); |
9551 | 0 | njs_token_serialize(NJS_TOKEN_RETURN); |
9552 | 0 | njs_token_serialize(NJS_TOKEN_STATEMENT); |
9553 | 0 | njs_token_serialize(NJS_TOKEN_BLOCK); |
9554 | 0 | njs_token_serialize(NJS_TOKEN_VAR); |
9555 | 0 | njs_token_serialize(NJS_TOKEN_LET); |
9556 | 0 | njs_token_serialize(NJS_TOKEN_CONST); |
9557 | 0 | njs_token_serialize(NJS_TOKEN_IF); |
9558 | 0 | njs_token_serialize(NJS_TOKEN_ELSE); |
9559 | 0 | njs_token_serialize(NJS_TOKEN_BRANCHING); |
9560 | 0 | njs_token_serialize(NJS_TOKEN_WHILE); |
9561 | 0 | njs_token_serialize(NJS_TOKEN_DO); |
9562 | 0 | njs_token_serialize(NJS_TOKEN_FOR); |
9563 | 0 | njs_token_serialize(NJS_TOKEN_FOR_IN); |
9564 | 0 | njs_token_serialize(NJS_TOKEN_BREAK); |
9565 | 0 | njs_token_serialize(NJS_TOKEN_CONTINUE); |
9566 | 0 | njs_token_serialize(NJS_TOKEN_SWITCH); |
9567 | 0 | njs_token_serialize(NJS_TOKEN_CASE); |
9568 | 0 | njs_token_serialize(NJS_TOKEN_DEFAULT); |
9569 | 0 | njs_token_serialize(NJS_TOKEN_WITH); |
9570 | 0 | njs_token_serialize(NJS_TOKEN_TRY); |
9571 | 0 | njs_token_serialize(NJS_TOKEN_CATCH); |
9572 | 0 | njs_token_serialize(NJS_TOKEN_FINALLY); |
9573 | 0 | njs_token_serialize(NJS_TOKEN_THROW); |
9574 | 0 | njs_token_serialize(NJS_TOKEN_THIS); |
9575 | 0 | njs_token_serialize(NJS_TOKEN_ARGUMENTS); |
9576 | 0 | njs_token_serialize(NJS_TOKEN_EVAL); |
9577 | 0 | njs_token_serialize(NJS_TOKEN_IMPORT); |
9578 | 0 | njs_token_serialize(NJS_TOKEN_EXPORT); |
9579 | 0 | njs_token_serialize(NJS_TOKEN_DEBUGGER); |
9580 | | |
9581 | | #if 0 |
9582 | | |
9583 | | njs_token_serialize(NJS_TOKEN_TARGET); |
9584 | | njs_token_serialize(NJS_TOKEN_META); |
9585 | | njs_token_serialize(NJS_TOKEN_ASYNC); |
9586 | | njs_token_serialize(NJS_TOKEN_AWAIT); |
9587 | | njs_token_serialize(NJS_TOKEN_ENUM); |
9588 | | |
9589 | | njs_token_serialize(NJS_TOKEN_CLASS); |
9590 | | njs_token_serialize(NJS_TOKEN_EXTENDS); |
9591 | | njs_token_serialize(NJS_TOKEN_IMPLEMENTS); |
9592 | | njs_token_serialize(NJS_TOKEN_INTERFACE); |
9593 | | njs_token_serialize(NJS_TOKEN_PACKAGE); |
9594 | | njs_token_serialize(NJS_TOKEN_PRIVATE); |
9595 | | njs_token_serialize(NJS_TOKEN_PROTECTED); |
9596 | | njs_token_serialize(NJS_TOKEN_PUBLIC); |
9597 | | njs_token_serialize(NJS_TOKEN_STATIC); |
9598 | | njs_token_serialize(NJS_TOKEN_SUPER); |
9599 | | |
9600 | | #endif |
9601 | | |
9602 | 0 | default: |
9603 | 0 | njs_chb_sprintf(chain, 32, "#UNDEF(%d)", (int) node->token_type); |
9604 | 0 | return NJS_DECLINED; |
9605 | 0 | } |
9606 | | |
9607 | 0 | return NJS_OK; |
9608 | 0 | } |