//===- CodeExpansions.h - Record expansions for CodeExpander --------------===// // // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. // See https://llvm.org/LICENSE.txt for license information. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception // //===----------------------------------------------------------------------===// // /// \file Record the expansions to use in a CodeExpander. // //===----------------------------------------------------------------------===// #include "llvm/ADT/StringMap.h" #ifndef LLVM_UTILS_TABLEGEN_CODEEXPANSIONS_H #define LLVM_UTILS_TABLEGEN_CODEEXPANSIONS_H namespace llvm { class CodeExpansions { public: using const_iterator = StringMap<std::string>::const_iterator; protected: StringMap<std::string> Expansions; public: void declare(StringRef Name, StringRef Expansion) { bool Inserted = Expansions.try_emplace(Name, Expansion).second; assert(Inserted && "Declared variable twice"); (void)Inserted; } std::string lookup(StringRef Variable) const { return Expansions.lookup(Variable); } const_iterator begin() const { return Expansions.begin(); } const_iterator end() const { return Expansions.end(); } const_iterator find(StringRef Variable) const { return Expansions.find(Variable); } }; } // end namespace llvm #endif // ifndef LLVM_UTILS_TABLEGEN_CODEEXPANSIONS_H |