/src/capstonenext/SStream.c
Line | Count | Source |
1 | | /* Capstone Disassembly Engine */ |
2 | | /* By Nguyen Anh Quynh <aquynh@gmail.com>, 2013-2019 */ |
3 | | |
4 | | #include <stdarg.h> |
5 | | #if defined(CAPSTONE_HAS_OSXKERNEL) |
6 | | #include <Availability.h> |
7 | | #include <libkern/libkern.h> |
8 | | #include <i386/limits.h> |
9 | | #else |
10 | | #include <stdio.h> |
11 | | #include <limits.h> |
12 | | #endif |
13 | | #include <string.h> |
14 | | |
15 | | #include <capstone/platform.h> |
16 | | |
17 | | #include "SStream.h" |
18 | | #include "cs_priv.h" |
19 | | #include "utils.h" |
20 | | |
21 | | void SStream_Init(SStream *ss) |
22 | 1.16M | { |
23 | 1.16M | assert(ss); |
24 | 1.16M | ss->index = 0; |
25 | 1.16M | memset(ss->buffer, 0, sizeof(ss->buffer)); |
26 | 1.16M | ss->is_closed = false; |
27 | 1.16M | ss->markup_stream = false; |
28 | 1.16M | ss->prefixed_by_markup = false; |
29 | 1.16M | ss->unsigned_num = false; |
30 | 1.16M | } |
31 | | |
32 | | void SStream_opt_unum(SStream *ss, bool print_unsigned_numbers) |
33 | 1.12M | { |
34 | 1.12M | assert(ss); |
35 | 1.12M | ss->unsigned_num = print_unsigned_numbers; |
36 | 1.12M | } |
37 | | |
38 | | /// Returns the a pointer to the internal string buffer of the stream. |
39 | | /// For reading only. |
40 | | const char *SStream_rbuf(const SStream *ss) |
41 | 57.9k | { |
42 | 57.9k | assert(ss); |
43 | 57.9k | return ss->buffer; |
44 | 57.9k | } |
45 | | |
46 | | /// Searches in the stream for the first (from the left) occurrence of @elem and replaces |
47 | | /// it with @repl. It returns the pointer *after* the replaced character |
48 | | /// or NULL if no character was replaced. |
49 | | /// |
50 | | /// It will never replace the final \0 byte in the stream buffer. |
51 | | const char *SStream_replc(const SStream *ss, char elem, char repl) |
52 | 36.8k | { |
53 | 36.8k | assert(ss); |
54 | 36.8k | char *found = strchr(ss->buffer, elem); |
55 | 36.8k | if (!found || found == ss->buffer + (SSTREAM_BUF_LEN - 1)) { |
56 | 36.8k | return NULL; |
57 | 36.8k | } |
58 | 0 | *found = repl; |
59 | 0 | found++; |
60 | 0 | return found; |
61 | 36.8k | } |
62 | | |
63 | | /// Searches in the stream for the first (from the left) occurrence of @chr and replaces |
64 | | /// it with @rstr. |
65 | | void SStream_replc_str(SStream *ss, char chr, const char *rstr) |
66 | 14.3k | { |
67 | 14.3k | assert(ss && rstr); |
68 | 14.3k | char *found = strchr(ss->buffer, chr); |
69 | 14.3k | if (!found || found == ss->buffer + (SSTREAM_BUF_LEN - 1)) { |
70 | 0 | return; |
71 | 0 | } |
72 | 14.3k | size_t post_len = strlen(found + 1); |
73 | 14.3k | size_t buf_str_len = strlen(ss->buffer); |
74 | 14.3k | size_t repl_len = strlen(rstr); |
75 | 14.3k | if (repl_len - 1 + buf_str_len >= SSTREAM_BUF_LEN) { |
76 | 0 | return; |
77 | 0 | } |
78 | 14.3k | memmove(found + repl_len, found + 1, post_len); |
79 | 14.3k | memcpy(found, rstr, repl_len); |
80 | 14.3k | ss->index = strlen(ss->buffer); |
81 | 14.3k | } |
82 | | |
83 | | /// Removes the space characters '\t' and ' ' from the beginning of the stream buffer. |
84 | | void SStream_trimls(SStream *ss) |
85 | 1.16M | { |
86 | 1.16M | assert(ss); |
87 | 1.16M | size_t buf_off = 0; |
88 | | /// Remove leading spaces |
89 | 1.18M | while (ss->buffer[buf_off] == ' ' || ss->buffer[buf_off] == '\t') { |
90 | 23.7k | buf_off++; |
91 | 23.7k | } |
92 | 1.16M | if (buf_off > 0) { |
93 | 23.7k | memmove(ss->buffer, ss->buffer + buf_off, |
94 | 23.7k | SSTREAM_BUF_LEN - buf_off); |
95 | 23.7k | ss->index -= buf_off; |
96 | 23.7k | } |
97 | 1.16M | } |
98 | | |
99 | | /// Extract the mnemonic to @mnem_buf and the operand string into @op_str_buf from the stream buffer. |
100 | | /// The mnemonic is everything up until the first ' ' or '\t' character. |
101 | | /// The operand string is everything after the first ' ' or '\t' sequence. |
102 | | void SStream_extract_mnem_opstr(const SStream *ss, char *mnem_buf, |
103 | | size_t mnem_buf_size, char *op_str_buf, |
104 | | size_t op_str_buf_size) |
105 | 1.12M | { |
106 | 1.12M | assert(ss && mnem_buf && mnem_buf_size > 0 && op_str_buf && |
107 | 1.12M | op_str_buf_size > 0); |
108 | 1.12M | size_t off = 0; |
109 | | // Copy all non space chars to as mnemonic. |
110 | 6.56M | while (ss->buffer[off] && ss->buffer[off] != ' ' && |
111 | 6.32M | ss->buffer[off] != '\t') { |
112 | 5.43M | if (off < mnem_buf_size - 1) { |
113 | | // Only copy if there is space left. |
114 | 5.43M | mnem_buf[off] = ss->buffer[off]; |
115 | 5.43M | } |
116 | 5.43M | off++; |
117 | 5.43M | } |
118 | 1.12M | if (!ss->buffer[off]) { |
119 | 43.3k | return; |
120 | 43.3k | } |
121 | | |
122 | | // Iterate until next non space char. |
123 | 1.08M | do { |
124 | 1.08M | off++; |
125 | 1.08M | } while (ss->buffer[off] && |
126 | 1.07M | (ss->buffer[off] == ' ' || ss->buffer[off] == '\t')); |
127 | | |
128 | 1.08M | if (!ss->buffer[off]) { |
129 | 11.2k | return; |
130 | 11.2k | } |
131 | | |
132 | | // Copy all follow up characters as op_str |
133 | 1.07M | const char *ss_op_str = ss->buffer + off; |
134 | 1.07M | off = 0; |
135 | 15.9M | while (ss_op_str[off] && off < op_str_buf_size - 1) { |
136 | 14.9M | op_str_buf[off] = ss_op_str[off]; |
137 | 14.9M | off++; |
138 | 14.9M | } |
139 | 1.07M | } |
140 | | |
141 | | /// Empty the stream @ss to given @file (stdin/stderr). |
142 | | /// @file can be NULL. Then the buffer content is not emitted. |
143 | | void SStream_Flush(SStream *ss, FILE *file) |
144 | 14.5k | { |
145 | 14.5k | assert(ss); |
146 | 14.5k | if (file) { |
147 | 0 | fprintf(file, "%s\n", ss->buffer); |
148 | 0 | } |
149 | 14.5k | SStream_Init(ss); |
150 | 14.5k | } |
151 | | |
152 | | /** |
153 | | * Open the output stream. Every write attempt is accepted again. |
154 | | */ |
155 | | void SStream_Open(SStream *ss) |
156 | 0 | { |
157 | 0 | assert(ss); |
158 | 0 | ss->is_closed = false; |
159 | 0 | } |
160 | | |
161 | | /** |
162 | | * Closes the output stream. Every write attempt is ignored. |
163 | | */ |
164 | | void SStream_Close(SStream *ss) |
165 | 0 | { |
166 | 0 | assert(ss); |
167 | 0 | ss->is_closed = true; |
168 | 0 | } |
169 | | |
170 | | /** |
171 | | * Copy the string \p s to the buffer of \p ss and terminate it with a '\\0' byte. |
172 | | */ |
173 | | void SStream_concat0(SStream *ss, const char *s) |
174 | 6.90M | { |
175 | 6.90M | #ifndef CAPSTONE_DIET |
176 | 6.90M | assert(ss && s); |
177 | 6.90M | SSTREAM_RETURN_IF_CLOSED(ss); |
178 | 6.90M | if (s[0] == '\0') |
179 | 2.16M | return; |
180 | 4.73M | unsigned int len = (unsigned int)strlen(s); |
181 | | |
182 | 4.73M | SSTREAM_OVERFLOW_CHECK(ss, len); |
183 | | |
184 | 4.73M | memcpy(ss->buffer + ss->index, s, len); |
185 | 4.73M | ss->index += len; |
186 | 4.73M | ss->buffer[ss->index] = '\0'; |
187 | 4.73M | if (ss->markup_stream && ss->prefixed_by_markup) { |
188 | 0 | SSTREAM_OVERFLOW_CHECK(ss, 1); |
189 | 0 | ss->buffer[ss->index] = '>'; |
190 | 0 | ss->index += 1; |
191 | 0 | ss->buffer[ss->index] = '\0'; |
192 | 0 | } |
193 | | #else |
194 | | ss->buffer[ss->index] = '\0'; |
195 | | #endif |
196 | 4.73M | } |
197 | | |
198 | | /** |
199 | | * Copy the single char \p c to the buffer of \p ss. |
200 | | */ |
201 | | void SStream_concat1(SStream *ss, const char c) |
202 | 865k | { |
203 | 865k | #ifndef CAPSTONE_DIET |
204 | 865k | assert(ss); |
205 | 865k | SSTREAM_RETURN_IF_CLOSED(ss); |
206 | 865k | if (c == '\0') |
207 | 9.47k | return; |
208 | | |
209 | 856k | SSTREAM_OVERFLOW_CHECK(ss, 1); |
210 | | |
211 | 856k | ss->buffer[ss->index] = c; |
212 | 856k | ss->index++; |
213 | 856k | ss->buffer[ss->index] = '\0'; |
214 | 856k | if (ss->markup_stream && ss->prefixed_by_markup) { |
215 | 0 | SSTREAM_OVERFLOW_CHECK(ss, 1); |
216 | 0 | ss->buffer[ss->index] = '>'; |
217 | 0 | ss->index++; |
218 | 0 | } |
219 | | #else |
220 | | ss->buffer[ss->index] = '\0'; |
221 | | #endif |
222 | 856k | } |
223 | | |
224 | | /** |
225 | | * Copy all strings given to the buffer of \p ss according to formatting \p fmt. |
226 | | */ |
227 | | void SStream_concat(SStream *ss, const char *fmt, ...) |
228 | 3.02M | { |
229 | 3.02M | #ifndef CAPSTONE_DIET |
230 | 3.02M | assert(ss && fmt); |
231 | 3.02M | SSTREAM_RETURN_IF_CLOSED(ss); |
232 | 3.02M | va_list ap; |
233 | 3.02M | int ret; |
234 | | |
235 | 3.02M | va_start(ap, fmt); |
236 | 3.02M | ret = cs_vsnprintf(ss->buffer + ss->index, |
237 | 3.02M | sizeof(ss->buffer) - (ss->index + 1), fmt, ap); |
238 | 3.02M | va_end(ap); |
239 | 3.02M | ss->index += ret; |
240 | 3.02M | if (ss->markup_stream && ss->prefixed_by_markup) { |
241 | 0 | SSTREAM_OVERFLOW_CHECK(ss, 1); |
242 | 0 | ss->buffer[ss->index] = '>'; |
243 | 0 | ss->index += 1; |
244 | 0 | } |
245 | | #else |
246 | | ss->buffer[ss->index] = '\0'; |
247 | | #endif |
248 | 3.02M | } |
249 | | |
250 | | // print number with prefix # |
251 | | void printInt64Bang(SStream *ss, int64_t val) |
252 | 34.1k | { |
253 | 34.1k | assert(ss); |
254 | 34.1k | if (ss->unsigned_num) { |
255 | 0 | printUInt64Bang(ss, val); |
256 | 0 | return; |
257 | 0 | } |
258 | 34.1k | SSTREAM_RETURN_IF_CLOSED(ss); |
259 | 34.1k | SStream_concat1(ss, '#'); |
260 | 34.1k | printInt64(ss, val); |
261 | 34.1k | } |
262 | | |
263 | | void printUInt64Bang(SStream *ss, uint64_t val) |
264 | 3.93k | { |
265 | 3.93k | assert(ss); |
266 | 3.93k | SSTREAM_RETURN_IF_CLOSED(ss); |
267 | 3.93k | SStream_concat1(ss, '#'); |
268 | 3.93k | printUInt64(ss, val); |
269 | 3.93k | } |
270 | | |
271 | | // print number |
272 | | void printInt64(SStream *ss, int64_t val) |
273 | 281k | { |
274 | 281k | assert(ss); |
275 | 281k | if (ss->unsigned_num) { |
276 | 0 | printUInt64(ss, val); |
277 | 0 | return; |
278 | 0 | } |
279 | 281k | SSTREAM_RETURN_IF_CLOSED(ss); |
280 | 281k | if (val >= 0) { |
281 | 260k | if (val > HEX_THRESHOLD) |
282 | 156k | SStream_concat(ss, "0x%" PRIx64, val); |
283 | 104k | else |
284 | 104k | SStream_concat(ss, "%" PRIu64, val); |
285 | 260k | } else { |
286 | 20.9k | if (val < -HEX_THRESHOLD) { |
287 | 19.2k | if (val == INT64_MIN) |
288 | 61 | SStream_concat(ss, "-0x%" PRIx64, |
289 | 61 | (uint64_t)INT64_MAX + 1); |
290 | 19.1k | else |
291 | 19.1k | SStream_concat(ss, "-0x%" PRIx64, |
292 | 19.1k | (uint64_t)-val); |
293 | 19.2k | } else |
294 | 1.73k | SStream_concat(ss, "-%" PRIu64, -val); |
295 | 20.9k | } |
296 | 281k | } |
297 | | |
298 | | void printUInt64(SStream *ss, uint64_t val) |
299 | 77.9k | { |
300 | 77.9k | assert(ss); |
301 | 77.9k | SSTREAM_RETURN_IF_CLOSED(ss); |
302 | 77.9k | if (val > HEX_THRESHOLD) |
303 | 46.8k | SStream_concat(ss, "0x%" PRIx64, val); |
304 | 31.1k | else |
305 | 31.1k | SStream_concat(ss, "%" PRIu64, val); |
306 | 77.9k | } |
307 | | |
308 | | // print number in decimal mode |
309 | | void printInt32BangDec(SStream *ss, int32_t val) |
310 | | { |
311 | | assert(ss); |
312 | | SSTREAM_RETURN_IF_CLOSED(ss); |
313 | | if (val >= 0) |
314 | | SStream_concat(ss, "#%" PRIu32, val); |
315 | | else { |
316 | | if (val == INT32_MIN) |
317 | | SStream_concat(ss, "#-%" PRIu32, val); |
318 | | else |
319 | | SStream_concat(ss, "#-%" PRIu32, (uint32_t)-val); |
320 | | } |
321 | | } |
322 | | |
323 | | void printInt32Bang(SStream *ss, int32_t val) |
324 | 74.8k | { |
325 | 74.8k | assert(ss); |
326 | 74.8k | if (ss->unsigned_num) { |
327 | 0 | printUInt32Bang(ss, val); |
328 | 0 | return; |
329 | 0 | } |
330 | 74.8k | SSTREAM_RETURN_IF_CLOSED(ss); |
331 | 74.8k | SStream_concat1(ss, '#'); |
332 | 74.8k | printInt32(ss, val); |
333 | 74.8k | } |
334 | | |
335 | | void printUInt8(SStream *ss, uint8_t val) |
336 | 0 | { |
337 | 0 | assert(ss); |
338 | 0 | if (val > HEX_THRESHOLD) |
339 | 0 | SStream_concat(ss, "0x%" PRIx8, val); |
340 | 0 | else |
341 | 0 | SStream_concat(ss, "%" PRIu8, val); |
342 | 0 | } |
343 | | |
344 | | void printUInt16(SStream *ss, uint16_t val) |
345 | 0 | { |
346 | 0 | assert(ss); |
347 | 0 | if (val > HEX_THRESHOLD) |
348 | 0 | SStream_concat(ss, "0x%" PRIx16, val); |
349 | 0 | else |
350 | 0 | SStream_concat(ss, "%" PRIu16, val); |
351 | 0 | } |
352 | | |
353 | | void printInt8(SStream *ss, int8_t val) |
354 | 896 | { |
355 | 896 | assert(ss); |
356 | 896 | if (ss->unsigned_num) { |
357 | 0 | printUInt8(ss, val); |
358 | 0 | return; |
359 | 0 | } |
360 | 896 | SSTREAM_RETURN_IF_CLOSED(ss); |
361 | 896 | if (val >= 0) { |
362 | 346 | if (val > HEX_THRESHOLD) |
363 | 236 | SStream_concat(ss, "0x%" PRIx8, val); |
364 | 110 | else |
365 | 110 | SStream_concat(ss, "%" PRId8, val); |
366 | 550 | } else { |
367 | 550 | if (val < -HEX_THRESHOLD) { |
368 | 160 | if (val == INT8_MIN) |
369 | 21 | SStream_concat(ss, "-0x%" PRIx8, |
370 | 21 | (uint8_t)INT8_MAX + 1); |
371 | 139 | else |
372 | 139 | SStream_concat(ss, "-0x%" PRIx8, (int8_t)-val); |
373 | 160 | } else |
374 | 390 | SStream_concat(ss, "-%" PRIu8, -val); |
375 | 550 | } |
376 | 896 | } |
377 | | |
378 | | void printInt16(SStream *ss, int16_t val) |
379 | 1.14k | { |
380 | 1.14k | assert(ss); |
381 | 1.14k | if (ss->unsigned_num) { |
382 | 0 | printUInt16(ss, val); |
383 | 0 | return; |
384 | 0 | } |
385 | 1.14k | SSTREAM_RETURN_IF_CLOSED(ss); |
386 | 1.14k | if (val >= 0) { |
387 | 848 | if (val > HEX_THRESHOLD) |
388 | 549 | SStream_concat(ss, "0x%" PRIx16, val); |
389 | 299 | else |
390 | 299 | SStream_concat(ss, "%" PRId16, val); |
391 | 848 | } else { |
392 | 300 | if (val < -HEX_THRESHOLD) { |
393 | 292 | if (val == INT16_MIN) |
394 | 17 | SStream_concat(ss, "-0x%" PRIx16, |
395 | 17 | (uint16_t)INT16_MAX + 1); |
396 | 275 | else |
397 | 275 | SStream_concat(ss, "-0x%" PRIx16, |
398 | 275 | (int16_t)-val); |
399 | 292 | } else |
400 | 8 | SStream_concat(ss, "-%" PRIu16, -val); |
401 | 300 | } |
402 | 1.14k | } |
403 | | |
404 | | void printInt16HexOffset(SStream *ss, int16_t val) |
405 | 2.18k | { |
406 | 2.18k | assert(ss); |
407 | 2.18k | if (ss->unsigned_num) { |
408 | 0 | printUInt16(ss, val); |
409 | 0 | return; |
410 | 0 | } |
411 | 2.18k | SSTREAM_RETURN_IF_CLOSED(ss); |
412 | 2.18k | if (val >= 0) { |
413 | 1.87k | SStream_concat(ss, "+0x%" PRIx16, val); |
414 | 1.87k | } else { |
415 | 311 | if (val == INT16_MIN) |
416 | 13 | SStream_concat(ss, "-0x%" PRIx16, |
417 | 13 | (uint16_t)INT16_MAX + 1); |
418 | 298 | else |
419 | 298 | SStream_concat(ss, "-0x%" PRIx16, (int16_t)-val); |
420 | 311 | } |
421 | 2.18k | } |
422 | | |
423 | | void printInt32(SStream *ss, int32_t val) |
424 | 100k | { |
425 | 100k | assert(ss); |
426 | 100k | if (ss->unsigned_num) { |
427 | 0 | printUInt32(ss, val); |
428 | 0 | return; |
429 | 0 | } |
430 | 100k | SSTREAM_RETURN_IF_CLOSED(ss); |
431 | 100k | if (val >= 0) { |
432 | 75.7k | if (val > HEX_THRESHOLD) |
433 | 43.6k | SStream_concat(ss, "0x%" PRIx32, val); |
434 | 32.0k | else |
435 | 32.0k | SStream_concat(ss, "%" PRId32, val); |
436 | 75.7k | } else { |
437 | 25.2k | if (val < -HEX_THRESHOLD) { |
438 | 23.4k | if (val == INT32_MIN) |
439 | 49 | SStream_concat(ss, "-0x%" PRIx32, |
440 | 49 | (uint32_t)INT32_MAX + 1); |
441 | 23.3k | else |
442 | 23.3k | SStream_concat(ss, "-0x%" PRIx32, |
443 | 23.3k | (int32_t)-val); |
444 | 23.4k | } else { |
445 | 1.81k | SStream_concat(ss, "-%" PRIu32, (uint32_t)-val); |
446 | 1.81k | } |
447 | 25.2k | } |
448 | 100k | } |
449 | | |
450 | | void printInt32HexOffset(SStream *ss, int32_t val) |
451 | 453 | { |
452 | 453 | assert(ss); |
453 | 453 | if (ss->unsigned_num) { |
454 | 0 | printUInt32(ss, val); |
455 | 0 | return; |
456 | 0 | } |
457 | 453 | SSTREAM_RETURN_IF_CLOSED(ss); |
458 | 453 | if (val >= 0) { |
459 | 414 | SStream_concat(ss, "+0x%" PRIx32, val); |
460 | 414 | } else { |
461 | 39 | if (val == INT32_MIN) |
462 | 3 | SStream_concat(ss, "-0x%" PRIx32, |
463 | 3 | (uint32_t)INT32_MAX + 1); |
464 | 36 | else |
465 | 36 | SStream_concat(ss, "-0x%" PRIx32, (int32_t)-val); |
466 | 39 | } |
467 | 453 | } |
468 | | |
469 | | void printInt32Hex(SStream *ss, int32_t val) |
470 | 1.32k | { |
471 | 1.32k | assert(ss); |
472 | 1.32k | SSTREAM_RETURN_IF_CLOSED(ss); |
473 | 1.32k | if (val >= 0) { |
474 | 1.00k | SStream_concat(ss, "0x%" PRIx32, val); |
475 | 1.00k | } else { |
476 | 323 | if (val == INT32_MIN) |
477 | 10 | SStream_concat(ss, "-0x%" PRIx32, |
478 | 10 | (uint32_t)INT32_MAX + 1); |
479 | 313 | else |
480 | 313 | SStream_concat(ss, "-0x%" PRIx32, (int32_t)-val); |
481 | 323 | } |
482 | 1.32k | } |
483 | | |
484 | | void printUInt32Bang(SStream *ss, uint32_t val) |
485 | 72.9k | { |
486 | 72.9k | assert(ss); |
487 | 72.9k | SSTREAM_RETURN_IF_CLOSED(ss); |
488 | 72.9k | SStream_concat1(ss, '#'); |
489 | 72.9k | printUInt32(ss, val); |
490 | 72.9k | } |
491 | | |
492 | | void printUInt32(SStream *ss, uint32_t val) |
493 | 108k | { |
494 | 108k | assert(ss); |
495 | 108k | SSTREAM_RETURN_IF_CLOSED(ss); |
496 | 108k | if (val > HEX_THRESHOLD) |
497 | 80.9k | SStream_concat(ss, "0x%x", val); |
498 | 27.9k | else |
499 | 27.9k | SStream_concat(ss, "%u", val); |
500 | 108k | } |
501 | | |
502 | | void printFloat(SStream *ss, float val) |
503 | 0 | { |
504 | 0 | assert(ss); |
505 | 0 | SSTREAM_RETURN_IF_CLOSED(ss); |
506 | 0 | SStream_concat(ss, "%e", val); |
507 | 0 | } |
508 | | |
509 | | void printFloatBang(SStream *ss, float val) |
510 | 257 | { |
511 | 257 | assert(ss); |
512 | 257 | SSTREAM_RETURN_IF_CLOSED(ss); |
513 | 257 | SStream_concat(ss, "#%e", val); |
514 | 257 | } |
515 | | |
516 | | void printExpr(SStream *ss, uint64_t val) |
517 | 0 | { |
518 | 0 | assert(ss); |
519 | 0 | SSTREAM_RETURN_IF_CLOSED(ss); |
520 | 0 | SStream_concat(ss, "%" PRIu64, val); |
521 | 0 | } |
522 | | |
523 | | SStream *markup_OS(SStream *OS, SStreamMarkup style) |
524 | 282k | { |
525 | 282k | assert(OS); |
526 | | |
527 | 282k | if (OS->is_closed || !OS->markup_stream) { |
528 | 282k | return OS; |
529 | 282k | } |
530 | 0 | OS->markup_stream = false; // Disable temporarily. |
531 | 0 | switch (style) { |
532 | 0 | default: |
533 | 0 | SStream_concat0(OS, "<UNKNOWN:"); |
534 | 0 | return OS; |
535 | 0 | case Markup_Immediate: |
536 | 0 | SStream_concat0(OS, "<imm:"); |
537 | 0 | break; |
538 | 0 | case Markup_Register: |
539 | 0 | SStream_concat0(OS, "<reg:"); |
540 | 0 | break; |
541 | 0 | case Markup_Target: |
542 | 0 | SStream_concat0(OS, "<tar:"); |
543 | 0 | break; |
544 | 0 | case Markup_Memory: |
545 | 0 | SStream_concat0(OS, "<mem:"); |
546 | 0 | break; |
547 | 0 | } |
548 | 0 | OS->markup_stream = true; |
549 | | OS->prefixed_by_markup = true; |
550 | 0 | return OS; |
551 | 0 | } |