llvm-project/clang-tools-extra/clangd/CollectMacros.cpp

35 lines
1.1 KiB
C++

//===--- CollectMacros.cpp ---------------------------------------*- C++-*-===//
//
// 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
//
//===----------------------------------------------------------------------===//
#include "CollectMacros.h"
#include "clang/Basic/SourceLocation.h"
#include "clang/Lex/Lexer.h"
namespace clang {
namespace clangd {
void CollectMainFileMacros::add(const Token &MacroNameTok, const MacroInfo *MI,
bool IsDefinition) {
if (!InMainFile)
return;
auto Loc = MacroNameTok.getLocation();
if (Loc.isInvalid() || Loc.isMacroID())
return;
auto Name = MacroNameTok.getIdentifierInfo()->getName();
Out.Names.insert(Name);
auto Range = halfOpenToRange(
SM, CharSourceRange::getCharRange(Loc, MacroNameTok.getEndLoc()));
if (auto SID = getSymbolID(Name, MI, SM))
Out.MacroRefs[SID].push_back({Range, IsDefinition});
else
Out.UnknownMacros.push_back({Range, IsDefinition});
}
} // namespace clangd
} // namespace clang