| 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 | #include "Headers.h" |
| 13 | #include "support/Trace.h" |
| 14 | #include "clang/AST/DeclObjC.h" |
| 15 | |
| 16 | namespace clang { |
| 17 | namespace clangd { |
| 18 | ASTSignals ASTSignals::derive(const ParsedAST &AST) { |
| 19 | trace::Span Span("ASTSignals::derive"); |
| 20 | ASTSignals Signals; |
| 21 | Signals.InsertionDirective = preferredIncludeDirective( |
| 22 | FileName: AST.tuPath(), LangOpts: AST.getLangOpts(), |
| 23 | MainFileIncludes: AST.getIncludeStructure().MainFileIncludes, TopLevelDecls: AST.getLocalTopLevelDecls()); |
| 24 | const SourceManager &SM = AST.getSourceManager(); |
| 25 | findExplicitReferences( |
| 26 | AST: AST.getASTContext(), |
| 27 | Out: [&](ReferenceLoc Ref) { |
| 28 | for (const NamedDecl *ND : Ref.Targets) { |
| 29 | if (!isInsideMainFile(Loc: Ref.NameLoc, SM)) |
| 30 | continue; |
| 31 | SymbolID ID = getSymbolID(ND); |
| 32 | if (!ID) |
| 33 | continue; |
| 34 | unsigned &SymbolCount = Signals.ReferencedSymbols[ID]; |
| 35 | SymbolCount++; |
| 36 | // Process namespace only when we see the symbol for the first time. |
| 37 | if (SymbolCount != 1) |
| 38 | continue; |
| 39 | if (const auto *NSD = dyn_cast<NamespaceDecl>(ND->getDeclContext())) { |
| 40 | if (NSD->isAnonymousNamespace()) |
| 41 | continue; |
| 42 | std::string NS = printNamespaceScope(*NSD); |
| 43 | if (!NS.empty()) |
| 44 | Signals.RelatedNamespaces[NS]++; |
| 45 | } |
| 46 | } |
| 47 | }, |
| 48 | Resolver: AST.getHeuristicResolver()); |
| 49 | return Signals; |
| 50 | } |
| 51 | } // namespace clangd |
| 52 | } // namespace clang |
| 53 |