1 //===--- CollectMacros.cpp ---------------------------------------*- C++-*-===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 #include "CollectMacros.h"
10 #include "clang/Basic/SourceLocation.h"
11 #include "clang/Lex/Lexer.h"
12 
13 namespace clang {
14 namespace clangd {
15 
add(const Token & MacroNameTok,const MacroInfo * MI)16 void CollectMainFileMacros::add(const Token &MacroNameTok,
17                                 const MacroInfo *MI) {
18   if (!InMainFile)
19     return;
20   auto Loc = MacroNameTok.getLocation();
21   if (Loc.isInvalid() || Loc.isMacroID())
22     return;
23 
24   auto Name = MacroNameTok.getIdentifierInfo()->getName();
25   Out.Names.insert(Name);
26   auto Range = halfOpenToRange(
27       SM, CharSourceRange::getCharRange(Loc, MacroNameTok.getEndLoc()));
28   if (auto SID = getSymbolID(Name, MI, SM))
29     Out.MacroRefs[*SID].push_back(Range);
30   else
31     Out.UnknownMacros.push_back(Range);
32 }
33 } // namespace clangd
34 } // namespace clang
35