/src/spirv-tools/source/extensions.cpp
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1 | | // Copyright (c) 2017 Google Inc. |
2 | | // |
3 | | // Licensed under the Apache License, Version 2.0 (the "License"); |
4 | | // you may not use this file except in compliance with the License. |
5 | | // You may obtain a copy of the License at |
6 | | // |
7 | | // http://www.apache.org/licenses/LICENSE-2.0 |
8 | | // |
9 | | // Unless required by applicable law or agreed to in writing, software |
10 | | // distributed under the License is distributed on an "AS IS" BASIS, |
11 | | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
12 | | // See the License for the specific language governing permissions and |
13 | | // limitations under the License. |
14 | | |
15 | | #include "source/extensions.h" |
16 | | |
17 | | #include <cassert> |
18 | | #include <sstream> |
19 | | #include <string> |
20 | | |
21 | | #include "source/binary.h" |
22 | | #include "source/enum_string_mapping.h" |
23 | | |
24 | | namespace spvtools { |
25 | | |
26 | 5.61k | std::string GetExtensionString(const spv_parsed_instruction_t* inst) { |
27 | 5.61k | if (inst->opcode != static_cast<uint16_t>(spv::Op::OpExtension)) { |
28 | 0 | return "ERROR_not_op_extension"; |
29 | 0 | } |
30 | | |
31 | 5.61k | assert(inst->num_operands == 1); |
32 | | |
33 | 0 | const auto& operand = inst->operands[0]; |
34 | 5.61k | assert(operand.type == SPV_OPERAND_TYPE_LITERAL_STRING); |
35 | 0 | assert(inst->num_words > operand.offset); |
36 | 0 | (void)operand; /* No unused variables in release builds. */ |
37 | | |
38 | 5.61k | return spvDecodeLiteralStringOperand(*inst, 0); |
39 | 5.61k | } |
40 | | |
41 | 65 | std::string ExtensionSetToString(const ExtensionSet& extensions) { |
42 | 65 | std::stringstream ss; |
43 | 65 | extensions.ForEach( |
44 | 76 | [&ss](Extension ext) { ss << ExtensionToString(ext) << " "; }); |
45 | 65 | return ss.str(); |
46 | 65 | } |
47 | | |
48 | | } // namespace spvtools |