llvm/clang/lib/Tooling/Refactoring/Rename/USRFinder.cpp

//===--- 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/Basic/SourceManager.h"
#include "clang/Index/USRGeneration.h"
#include "clang/Lex/Lexer.h"
#include "clang/Tooling/Refactoring/RecursiveSymbolVisitor.h"
#include "llvm/ADT/SmallVector.h"

usingnamespacellvm;

namespace clang {
namespace tooling {

namespace {

/// Recursively visits each AST node to find the symbol underneath the cursor.
class NamedDeclOccurrenceFindingVisitor
    : public RecursiveSymbolVisitor<NamedDeclOccurrenceFindingVisitor> { … };

} // end anonymous namespace

const NamedDecl *getNamedDeclAt(const ASTContext &Context,
                                const SourceLocation Point) { … }

namespace {

/// Recursively visits each NamedDecl node to find the declaration with a
/// specific name.
class NamedDeclFindingVisitor
    : public RecursiveASTVisitor<NamedDeclFindingVisitor> { … };

} // end anonymous namespace

const NamedDecl *getNamedDeclFor(const ASTContext &Context,
                                 const std::string &Name) { … }

std::string getUSRForDecl(const Decl *Decl) { … }

} // end namespace tooling
} // end namespace clang