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Diffstat (limited to 'src/ast/label-utils.h')
-rw-r--r-- | src/ast/label-utils.h | 62 |
1 files changed, 0 insertions, 62 deletions
diff --git a/src/ast/label-utils.h b/src/ast/label-utils.h deleted file mode 100644 index 6ec9ecf5d..000000000 --- a/src/ast/label-utils.h +++ /dev/null @@ -1,62 +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_label_h -#define wasm_ast_label_h - -#include "wasm.h" -#include "wasm-traversal.h" - -namespace wasm { - -namespace LabelUtils { - -// Handles branch/loop labels in a function; makes it easy to add new -// ones without duplicates -class LabelManager : public PostWalker<LabelManager> { -public: - LabelManager(Function* func) { - walkFunction(func); - } - - Name getUnique(std::string prefix) { - while (1) { - auto curr = Name(prefix + std::to_string(counter++)); - if (labels.find(curr) == labels.end()) { - labels.insert(curr); - return curr; - } - } - } - - void visitBlock(Block* curr) { - labels.insert(curr->name); - } - void visitLoop(Loop* curr) { - labels.insert(curr->name); - } - -private: - std::set<Name> labels; - size_t counter = 0; -}; - -} // namespace LabelUtils - -} // namespace wasm - -#endif // wasm_ast_label_h - |