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/*
* Copyright 2015 WebAssembly Community Group participants
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <pass.h>
namespace wasm {
// PassRegistry
PassRegistry* PassRegistry::get() {
static PassRegistry* manager = nullptr;
if (!manager) {
manager = new PassRegistry();
}
return manager;
}
void PassRegistry::registerPass(const char* name, const char *description, Creator create) {
assert(passInfos.find(name) == passInfos.end());
passInfos[name] = PassInfo(description, create);
}
Pass* PassRegistry::createPass(std::string name) {
if (passInfos.find(name) == passInfos.end()) return nullptr;
return passInfos[name].create();
}
std::vector<std::string> PassRegistry::getRegisteredNames() {
std::vector<std::string> ret;
for (auto pair : passInfos) {
ret.push_back(pair.first);
}
return ret;
}
std::string PassRegistry::getPassDescription(std::string name) {
assert(passInfos.find(name) != passInfos.end());
return passInfos[name].description;
}
// PassRunner
void PassRunner::run(Module* module) {
for (auto pass : passes) {
currPass = pass;
pass->run(this, module);
}
}
template<class P>
P* PassRunner::getLast() {
bool found = false;
P* ret;
for (int i = passes.size() - 1; i >= 0; i--) {
if (found && (ret = dynamic_cast<P*>(passes[i]))) {
return ret;
}
if (passes[i] == currPass) {
found = true;
}
}
return nullptr;
}
PassRunner::~PassRunner() {
for (auto pass : passes) {
delete pass;
}
}
} // namespace wasm
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