summaryrefslogtreecommitdiff
path: root/src/ast/label-utils.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/ast/label-utils.h')
-rw-r--r--src/ast/label-utils.h62
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
-