head 1.1; branch 1.1.1; access; symbols netbsd-11-0-RC4:1.1.1.2 netbsd-11-0-RC3:1.1.1.2 netbsd-11-0-RC2:1.1.1.2 netbsd-11-0-RC1:1.1.1.2 perseant-exfatfs-base-20250801:1.1.1.2 netbsd-11:1.1.1.2.0.8 netbsd-11-base:1.1.1.2 netbsd-10-1-RELEASE:1.1.1.2 perseant-exfatfs-base-20240630:1.1.1.2 perseant-exfatfs:1.1.1.2.0.6 perseant-exfatfs-base:1.1.1.2 netbsd-10-0-RELEASE:1.1.1.2 netbsd-10-0-RC6:1.1.1.2 netbsd-10-0-RC5:1.1.1.2 netbsd-10-0-RC4:1.1.1.2 netbsd-10-0-RC3:1.1.1.2 netbsd-10-0-RC2:1.1.1.2 netbsd-10-0-RC1:1.1.1.2 netbsd-10:1.1.1.2.0.4 netbsd-10-base:1.1.1.2 cjep_sun2x-base1:1.1.1.2 cjep_sun2x:1.1.1.2.0.2 cjep_sun2x-base:1.1.1.2 cjep_staticlib_x-base1:1.1.1.2 LLVM-249b40b558955afe5ac2b549edcf2d7f859c8cc9:1.1.1.2 cjep_staticlib_x:1.1.1.1.0.4 cjep_staticlib_x-base:1.1.1.1 phil-wifi-20200421:1.1.1.1 phil-wifi-20200411:1.1.1.1 is-mlppp:1.1.1.1.0.2 is-mlppp-base:1.1.1.1 phil-wifi-20200406:1.1.1.1 phil-wifi-20191119:1.1.1.1 LLVM-01f3a59fb3e2542fce74c768718f594d0debd0da:1.1.1.1 LLVM:1.1.1; locks; strict; comment @// @; 1.1 date 2019.11.08.14.29.42; author joerg; state Exp; branches 1.1.1.1; next ; commitid lIv69tfiG0KHw3KB; 1.1.1.1 date 2019.11.08.14.29.42; author joerg; state Exp; branches 1.1.1.1.4.1; next 1.1.1.2; commitid lIv69tfiG0KHw3KB; 1.1.1.2 date 2021.05.30.01.25.57; author joerg; state Exp; branches; next ; commitid uhgdinROdC6tU6VC; 1.1.1.1.4.1 date 2021.05.31.22.07.21; author cjep; state Exp; branches; next ; commitid eWz9SBW0XqKjJlVC; desc @@ 1.1 log @Initial revision @ text @//===--- USRFinder.cpp - Clang refactoring library ------------------------===// // // 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 // //===----------------------------------------------------------------------===// /// /// \file Implements a recursive AST visitor that finds the USR of a symbol at a /// point. /// //===----------------------------------------------------------------------===// #include "clang/Tooling/Refactoring/Rename/USRFinder.h" #include "clang/AST/AST.h" #include "clang/AST/ASTContext.h" #include "clang/AST/RecursiveASTVisitor.h" #include "clang/Index/USRGeneration.h" #include "clang/Lex/Lexer.h" #include "clang/Tooling/Refactoring/RecursiveSymbolVisitor.h" #include "llvm/ADT/SmallVector.h" using namespace llvm; namespace clang { namespace tooling { namespace { /// Recursively visits each AST node to find the symbol underneath the cursor. class NamedDeclOccurrenceFindingVisitor : public RecursiveSymbolVisitor { public: // Finds the NamedDecl at a point in the source. // \param Point the location in the source to search for the NamedDecl. explicit NamedDeclOccurrenceFindingVisitor(const SourceLocation Point, const ASTContext &Context) : RecursiveSymbolVisitor(Context.getSourceManager(), Context.getLangOpts()), Point(Point), Context(Context) {} bool visitSymbolOccurrence(const NamedDecl *ND, ArrayRef NameRanges) { if (!ND) return true; for (const auto &Range : NameRanges) { SourceLocation Start = Range.getBegin(); SourceLocation End = Range.getEnd(); if (!Start.isValid() || !Start.isFileID() || !End.isValid() || !End.isFileID() || !isPointWithin(Start, End)) return true; } Result = ND; return false; } const NamedDecl *getNamedDecl() const { return Result; } private: // Determines if the Point is within Start and End. bool isPointWithin(const SourceLocation Start, const SourceLocation End) { // FIXME: Add tests for Point == End. return Point == Start || Point == End || (Context.getSourceManager().isBeforeInTranslationUnit(Start, Point) && Context.getSourceManager().isBeforeInTranslationUnit(Point, End)); } const NamedDecl *Result = nullptr; const SourceLocation Point; // The location to find the NamedDecl. const ASTContext &Context; }; } // end anonymous namespace const NamedDecl *getNamedDeclAt(const ASTContext &Context, const SourceLocation Point) { const SourceManager &SM = Context.getSourceManager(); NamedDeclOccurrenceFindingVisitor Visitor(Point, Context); // Try to be clever about pruning down the number of top-level declarations we // see. If both start and end is either before or after the point we're // looking for the point cannot be inside of this decl. Don't even look at it. for (auto *CurrDecl : Context.getTranslationUnitDecl()->decls()) { SourceLocation StartLoc = CurrDecl->getBeginLoc(); SourceLocation EndLoc = CurrDecl->getEndLoc(); if (StartLoc.isValid() && EndLoc.isValid() && SM.isBeforeInTranslationUnit(StartLoc, Point) != SM.isBeforeInTranslationUnit(EndLoc, Point)) Visitor.TraverseDecl(CurrDecl); } return Visitor.getNamedDecl(); } namespace { /// Recursively visits each NamedDecl node to find the declaration with a /// specific name. class NamedDeclFindingVisitor : public RecursiveASTVisitor { public: explicit NamedDeclFindingVisitor(StringRef Name) : Name(Name) {} // We don't have to traverse the uses to find some declaration with a // specific name, so just visit the named declarations. bool VisitNamedDecl(const NamedDecl *ND) { if (!ND) return true; // Fully qualified name is used to find the declaration. if (Name != ND->getQualifiedNameAsString() && Name != "::" + ND->getQualifiedNameAsString()) return true; Result = ND; return false; } const NamedDecl *getNamedDecl() const { return Result; } private: const NamedDecl *Result = nullptr; StringRef Name; }; } // end anonymous namespace const NamedDecl *getNamedDeclFor(const ASTContext &Context, const std::string &Name) { NamedDeclFindingVisitor Visitor(Name); Visitor.TraverseDecl(Context.getTranslationUnitDecl()); return Visitor.getNamedDecl(); } std::string getUSRForDecl(const Decl *Decl) { llvm::SmallVector Buff; // FIXME: Add test for the nullptr case. if (Decl == nullptr || index::generateUSRForDecl(Decl, Buff)) return ""; return std::string(Buff.data(), Buff.size()); } } // end namespace tooling } // end namespace clang @ 1.1.1.1 log @Import 01f3a59fb3e2542fce74c768718f594d0debd0da from the LLVM mono-repo: clang (without test/, unittests/, www/) llvm (without test/, unittests/) @ text @@ 1.1.1.1.4.1 log @sync with head @ text @a17 1 #include "clang/Basic/SourceManager.h" d135 1 a135 1 llvm::SmallString<128> Buff; d141 1 a141 1 return std::string(Buff); @ 1.1.1.2 log @Import clang 249b40b558955afe5ac2b549edcf2d7f859c8cc9. @ text @a17 1 #include "clang/Basic/SourceManager.h" d135 1 a135 1 llvm::SmallString<128> Buff; d141 1 a141 1 return std::string(Buff); @