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/*
* Copyright 2017 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.
*/
#ifndef wasm_ast_find_all_h
#define wasm_ast_find_all_h
#include <wasm-traversal.h>
namespace wasm {
// Find all instances of a certain node type
template<typename T>
struct FindAll {
std::vector<T*> list;
FindAll(Expression* ast) {
struct Finder : public PostWalker<Finder, UnifiedExpressionVisitor<Finder>> {
std::vector<T*>* list;
void visitExpression(Expression* curr) {
if (curr->is<T>()) {
(*list).push_back(curr->cast<T>());
}
}
};
Finder finder;
finder.list = &list;
finder.walk(ast);
}
};
} // namespace wasm
#endif // wasm_ast_find_all_h
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