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clang-tools-extra/clangd/SourceCode.cpp
| Show First 20 Lines • Show All 790 Lines • ▼ Show 20 Lines | llvm::SmallVector<llvm::StringRef> ancestorNamespaces(llvm::StringRef NS) { | ||||
| llvm::SmallVector<llvm::StringRef> Results; | llvm::SmallVector<llvm::StringRef> Results; | ||||
| Results.push_back(NS.take_front(0)); | Results.push_back(NS.take_front(0)); | ||||
| NS.split(Results, "::", /*MaxSplit=*/-1, /*KeepEmpty=*/false); | NS.split(Results, "::", /*MaxSplit=*/-1, /*KeepEmpty=*/false); | ||||
| for (llvm::StringRef &R : Results) | for (llvm::StringRef &R : Results) | ||||
| R = NS.take_front(R.end() - NS.begin()); | R = NS.take_front(R.end() - NS.begin()); | ||||
| return Results; | return Results; | ||||
| } | } | ||||
| // Checks whether \p FileName is a valid spelling of main file. | |||||
| bool isMainFile(llvm::StringRef FileName, const SourceManager &SM) { | |||||
| auto FE = SM.getFileManager().getFile(FileName); | |||||
| return FE && *FE == SM.getFileEntryForID(SM.getMainFileID()); | |||||
| } | |||||
| } // namespace | } // namespace | ||||
| std::vector<std::string> visibleNamespaces(llvm::StringRef Code, | std::vector<std::string> visibleNamespaces(llvm::StringRef Code, | ||||
| const LangOptions &LangOpts) { | const LangOptions &LangOpts) { | ||||
| std::string Current; | std::string Current; | ||||
| // Map from namespace to (resolved) namespaces introduced via using directive. | // Map from namespace to (resolved) namespaces introduced via using directive. | ||||
| llvm::StringMap<llvm::StringSet<>> UsingDirectives; | llvm::StringMap<llvm::StringSet<>> UsingDirectives; | ||||
| ▲ Show 20 Lines • Show All 407 Lines • ▼ Show 20 Lines | bool isProtoFile(SourceLocation Loc, const SourceManager &SM) { | ||||
| auto FID = SM.getFileID(Loc); | auto FID = SM.getFileID(Loc); | ||||
| // All proto generated headers should start with this line. | // All proto generated headers should start with this line. | ||||
| static const char *ProtoHeaderComment = | static const char *ProtoHeaderComment = | ||||
| "// Generated by the protocol buffer compiler. DO NOT EDIT!"; | "// Generated by the protocol buffer compiler. DO NOT EDIT!"; | ||||
| // Double check that this is an actual protobuf header. | // Double check that this is an actual protobuf header. | ||||
| return SM.getBufferData(FID).startswith(ProtoHeaderComment); | return SM.getBufferData(FID).startswith(ProtoHeaderComment); | ||||
| } | } | ||||
| SourceLocation translatePreamblePatchLocation(SourceLocation Loc, | |||||
| const SourceManager &SM) { | |||||
| auto DefFile = SM.getFileID(Loc); | |||||
| if (auto FE = SM.getFileEntryRefForID(DefFile)) { | |||||
sammccall: just make it a function? it captures nothing | |||||
| auto IncludeLoc = SM.getIncludeLoc(DefFile); | |||||
| // Preamble patch is included inside the builtin file. | |||||
| if (IncludeLoc.isValid() && SM.isWrittenInBuiltinFile(IncludeLoc) && | |||||
| FE->getName().endswith(PreamblePatch::HeaderName)) { | |||||
| auto Presumed = SM.getPresumedLoc(Loc); | |||||
| // Check that line directive is pointing at main file. | |||||
| if (Presumed.isValid() && Presumed.getFileID().isInvalid() && | |||||
| isMainFile(Presumed.getFilename(), SM)) { | |||||
| Loc = SM.translateLineCol(SM.getMainFileID(), Presumed.getLine(), | |||||
| Presumed.getColumn()); | |||||
| } | |||||
| } | |||||
| } | |||||
| return Loc; | |||||
| } | |||||
| } // namespace clangd | } // namespace clangd | ||||
| } // namespace clang | } // namespace clang | ||||
just make it a function? it captures nothing