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Diffstat (limited to 'src/ast/hashed.h')
-rw-r--r-- | src/ast/hashed.h | 59 |
1 files changed, 0 insertions, 59 deletions
diff --git a/src/ast/hashed.h b/src/ast/hashed.h deleted file mode 100644 index 04ee7f401..000000000 --- a/src/ast/hashed.h +++ /dev/null @@ -1,59 +0,0 @@ -/* - * 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_hashed_h - -#include "support/hash.h" -#include "wasm.h" -#include "ast_utils.h" - -namespace wasm { - -// An expression with a cached hash value -struct HashedExpression { - Expression* expr; - size_t hash; - - HashedExpression(Expression* expr) : expr(expr) { - if (expr) { - hash = ExpressionAnalyzer::hash(expr); - } - } - - HashedExpression(const HashedExpression& other) : expr(other.expr), hash(other.hash) {} -}; - -struct ExpressionHasher { - size_t operator()(const HashedExpression value) const { - return value.hash; - } -}; - -struct ExpressionComparer { - bool operator()(const HashedExpression a, const HashedExpression b) const { - if (a.hash != b.hash) return false; - return ExpressionAnalyzer::equal(a.expr, b.expr); - } -}; - -template<typename T> -class HashedExpressionMap : public std::unordered_map<HashedExpression, T, ExpressionHasher, ExpressionComparer> { -}; - -} // namespace wasm - -#endif // _wasm_ast_hashed_h - |