forked from OSchip/llvm-project
44 lines
1.4 KiB
C++
44 lines
1.4 KiB
C++
//===- 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
|