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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 "extensions.h"
16 
17 #include <cassert>
18 #include <sstream>
19 #include <string>
20 
21 #include "enum_string_mapping.h"
22 
23 namespace libspirv {
24 
GetExtensionString(const spv_parsed_instruction_t * inst)25 std::string GetExtensionString(const spv_parsed_instruction_t* inst) {
26   if (inst->opcode != SpvOpExtension)
27     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 
35   return reinterpret_cast<const char*>(inst->words + operand.offset);
36 }
37 
ExtensionSetToString(const ExtensionSet & extensions)38 std::string ExtensionSetToString(const ExtensionSet& extensions) {
39   std::stringstream ss;
40   extensions.ForEach([&ss](Extension ext) {
41       ss << ExtensionToString(ext) << " ";
42   });
43   return ss.str();
44 }
45 
46 }  // namespace libspirv
47