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/*
* Copyright 2018 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.
*/
//
// Similar to strip-ing a native binary, this removes debug info
// and related things like source map URLs, names section, etc.
//
#include "wasm.h"
#include "wasm-binary.h"
#include "pass.h"
using namespace std;
namespace wasm {
struct Strip : public Pass {
void run(PassRunner* runner, Module* module) override {
// Remove name and debug sections.
auto& sections = module->userSections;
sections.erase(
std::remove_if(
sections.begin(),
sections.end(),
[&](const UserSection& curr) {
return curr.name == BinaryConsts::UserSections::Name ||
curr.name == BinaryConsts::UserSections::SourceMapUrl ||
curr.name.find(".debug") == 0 ||
curr.name.find("reloc..debug") == 0;
}
),
sections.end()
);
// Clean up internal data structures.
module->clearDebugInfo();
for (auto& func : module->functions) {
func->clearNames();
func->clearDebugInfo();
}
}
};
Pass *createStripPass() {
return new Strip();
}
} // namespace wasm
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