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comparison clang-tools-extra/clangd/ASTSignals.cpp @ 221:79ff65ed7e25

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LLVM12 Original
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Tue, 15 Jun 2021 19:15:29 +0900
parents
children c4bab56944e8
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220:42394fc6a535 221:79ff65ed7e25
1 //===--- ASTSignals.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 "ASTSignals.h"
10 #include "AST.h"
11 #include "FindTarget.h"
12
13 namespace clang {
14 namespace clangd {
15 ASTSignals ASTSignals::derive(const ParsedAST &AST) {
16 ASTSignals Signals;
17 const SourceManager &SM = AST.getSourceManager();
18 findExplicitReferences(
19 AST.getASTContext(),
20 [&](ReferenceLoc Ref) {
21 for (const NamedDecl *ND : Ref.Targets) {
22 if (!isInsideMainFile(Ref.NameLoc, SM))
23 continue;
24 SymbolID ID = getSymbolID(ND);
25 if (!ID)
26 continue;
27 unsigned &SymbolCount = Signals.ReferencedSymbols[ID];
28 SymbolCount++;
29 // Process namespace only when we see the symbol for the first time.
30 if (SymbolCount != 1)
31 continue;
32 if (const auto *NSD = dyn_cast<NamespaceDecl>(ND->getDeclContext())) {
33 if (NSD->isAnonymousNamespace())
34 continue;
35 std::string NS = printNamespaceScope(*NSD);
36 if (!NS.empty())
37 Signals.RelatedNamespaces[NS]++;
38 }
39 }
40 },
41 AST.getHeuristicResolver());
42 return Signals;
43 }
44 } // namespace clangd
45 } // namespace clang