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
24namespace spvtools {
25
26std::string GetExtensionString(const spv_parsed_instruction_t* inst) {
27 if (inst->opcode != SpvOpExtension) return "ERROR_not_op_extension";
28
29 assert(inst->num_operands == 1);
30
31 const auto& operand = inst->operands[0];
32 assert(operand.type == SPV_OPERAND_TYPE_LITERAL_STRING);
33 assert(inst->num_words > operand.offset);
34 (void)operand; /* No unused variables in release builds. */
35
36 return spvDecodeLiteralStringOperand(*inst, 0);
37}
38
39std::string ExtensionSetToString(const ExtensionSet& extensions) {
40 std::stringstream ss;
41 extensions.ForEach(
42 [&ss](Extension ext) { ss << ExtensionToString(ext) << " "; });
43 return ss.str();
44}
45
46} // namespace spvtools
47