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Diffstat (limited to 'src/ast/trapping.h')
-rw-r--r-- | src/ast/trapping.h | 120 |
1 files changed, 0 insertions, 120 deletions
diff --git a/src/ast/trapping.h b/src/ast/trapping.h deleted file mode 100644 index 7b170ccb4..000000000 --- a/src/ast/trapping.h +++ /dev/null @@ -1,120 +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_trapping_h -#define wasm_ast_trapping_h - -#include <exception> - -#include "pass.h" - -namespace wasm { - -enum class TrapMode { - Allow, - Clamp, - JS -}; - -inline void addTrapModePass(PassRunner& runner, TrapMode trapMode) { - if (trapMode == TrapMode::Clamp) { - runner.add("trap-mode-clamp"); - } else if (trapMode == TrapMode::JS) { - runner.add("trap-mode-js"); - } -} - -class TrappingFunctionContainer { -public: - TrappingFunctionContainer(TrapMode mode, Module &wasm, bool immediate = false) - : mode(mode), - wasm(wasm), - immediate(immediate) { } - - bool hasFunction(Name name) { - return functions.find(name) != functions.end(); - } - bool hasImport(Name name) { - return imports.find(name) != imports.end(); - } - - void addFunction(Function* function) { - functions[function->name] = function; - if (immediate) { - wasm.addFunction(function); - } - } - void addImport(Import* import) { - imports[import->name] = import; - if (immediate) { - wasm.addImport(import); - } - } - - void addToModule() { - if (!immediate) { - for (auto &pair : functions) { - wasm.addFunction(pair.second); - } - for (auto &pair : imports) { - wasm.addImport(pair.second); - } - } - functions.clear(); - imports.clear(); - } - - TrapMode getMode() { - return mode; - } - - Module& getModule() { - return wasm; - } - - std::map<Name, Function*>& getFunctions() { - return functions; - } - -private: - std::map<Name, Function*> functions; - std::map<Name, Import*> imports; - - TrapMode mode; - Module& wasm; - bool immediate; -}; - -Expression* makeTrappingBinary(Binary* curr, TrappingFunctionContainer &trappingFunctions); -Expression* makeTrappingUnary(Unary* curr, TrappingFunctionContainer &trappingFunctions); - -inline TrapMode trapModeFromString(std::string const& str) { - if (str == "allow") { - return TrapMode::Allow; - } else if (str == "clamp") { - return TrapMode::Clamp; - } else if (str == "js") { - return TrapMode::JS; - } else { - throw std::invalid_argument( - "Unsupported trap mode \"" + str + "\". " - "Valid modes are \"allow\", \"js\", and \"clamp\""); - } -} - -} // wasm - -#endif // wasm_ast_trapping_h |