mirror of
https://github.com/KhronosGroup/SPIRV-Tools
synced 2024-11-27 13:50:07 +00:00
82 lines
2.7 KiB
C++
82 lines
2.7 KiB
C++
// Copyright (c) 2016 Google Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "pass_utils.h"
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#include <algorithm>
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#include <sstream>
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namespace {
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// Well, this is another place requiring the knowledge of the grammar and can be
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// stale when SPIR-V is updated. It would be nice to automatically generate
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// this, but the cost is just too high.
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const char* kDebugOpcodes[] = {
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// clang-format off
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"OpSourceContinued", "OpSource", "OpSourceExtension",
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"OpName", "OpMemberName", "OpString",
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"OpLine", "OpNoLine", "OpModuleProcessed"
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// clang-format on
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};
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} // anonymous namespace
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namespace spvtools {
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bool FindAndReplace(std::string* process_str, const std::string find_str,
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const std::string replace_str) {
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if (process_str->empty() || find_str.empty()) {
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return false;
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}
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bool replaced = false;
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// Note this algorithm has quadratic time complexity. It is OK for test cases
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// with short strings, but might not fit in other contexts.
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for (size_t pos = process_str->find(find_str, 0); pos != std::string::npos;
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pos = process_str->find(find_str, pos)) {
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process_str->replace(pos, find_str.length(), replace_str);
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pos += replace_str.length();
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replaced = true;
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}
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return replaced;
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}
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bool ContainsDebugOpcode(const char* inst) {
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return std::any_of(std::begin(kDebugOpcodes), std::end(kDebugOpcodes),
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[inst](const char* op) {
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return std::string(inst).find(op) != std::string::npos;
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});
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}
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std::string SelectiveJoin(const std::vector<const char*>& strings,
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const std::function<bool(const char*)>& skip_dictator,
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char delimiter) {
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std::ostringstream oss;
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for (const auto* str : strings) {
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if (!skip_dictator(str)) oss << str << delimiter;
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}
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return oss.str();
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}
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std::string JoinAllInsts(const std::vector<const char*>& insts) {
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return SelectiveJoin(insts, [](const char*) { return false; });
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}
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std::string JoinNonDebugInsts(const std::vector<const char*>& insts) {
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return SelectiveJoin(
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insts, [](const char* inst) { return ContainsDebugOpcode(inst); });
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}
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} // namespace spvtools
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