/*

* Copyright 2026 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.

*/

//

// Remove exports using a wildcard. For example:

//

// --remove-exports=__*

//

// In this case we will remove all exports with names like "__foo" and "__bar".

//

// Exports can also be specified as a comma-separated list, and can be a

// response file.

//

#include "pass.h"

#include "support/file.h"

#include "support/string.h"

#include "wasm.h"

namespace wasm {

namespace {

struct RemoveExports : public Pass {

void run(Module* module) override {

std::string param =

getArgument(name, "Usage usage: wasm-opt --" + name + "=WILDCARD");

param = String::trim(read_possible_response_file(param));

String::Split patterns(param, String::Split::NewLineOr(","));

patterns = handleBracketingOperators(patterns);

std::vector<Name> toRemove;

for (auto& exp : module->exports) {

for (auto& pattern : patterns) {

if (String::wildcardMatch(pattern, exp->name.toString())) {

toRemove.push_back(exp->name);

break;

}

}

}

for (auto& name : toRemove) {

module->removeExport(name);

}

}

};

} // anonymous namespace

Pass* createRemoveExportsPass() { return new RemoveExports(); }

} // namespace wasm