forked from OSchip/llvm-project
88 lines
3.0 KiB
C++
88 lines
3.0 KiB
C++
//===--- tools/extra/clang-rename/RenamingAction.cpp - Clang rename tool --===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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///
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/// \file
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/// \brief Provides an action to rename every symbol at a point.
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///
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//===----------------------------------------------------------------------===//
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#include "RenamingAction.h"
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#include "USRLocFinder.h"
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#include "clang/AST/ASTConsumer.h"
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#include "clang/AST/ASTContext.h"
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#include "clang/Basic/FileManager.h"
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#include "clang/Frontend/CompilerInstance.h"
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#include "clang/Frontend/FrontendAction.h"
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#include "clang/Lex/Lexer.h"
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#include "clang/Lex/Preprocessor.h"
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#include "clang/Tooling/CommonOptionsParser.h"
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#include "clang/Tooling/Refactoring.h"
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#include "clang/Tooling/Tooling.h"
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#include <ctype.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string>
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#include <vector>
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using namespace llvm;
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namespace clang {
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namespace rename {
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class RenamingASTConsumer : public ASTConsumer {
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public:
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RenamingASTConsumer(StringRef NewName, StringRef PrevName,
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const std::vector<std::string> &USRs,
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tooling::Replacements &Replaces, bool PrintLocations)
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: NewName(NewName), PrevName(PrevName), USRs(USRs), Replaces(Replaces),
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PrintLocations(PrintLocations) {}
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void HandleTranslationUnit(ASTContext &Context) override {
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const auto &SourceMgr = Context.getSourceManager();
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std::vector<SourceLocation> RenamingCandidates;
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std::vector<SourceLocation> NewCandidates;
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for (const auto &USR : USRs) {
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NewCandidates = getLocationsOfUSR(USR, Context.getTranslationUnitDecl());
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RenamingCandidates.insert(RenamingCandidates.end(), NewCandidates.begin(),
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NewCandidates.end());
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NewCandidates.clear();
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}
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auto PrevNameLen = PrevName.size();
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if (PrintLocations)
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for (const auto &Loc : RenamingCandidates) {
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FullSourceLoc FullLoc(Loc, SourceMgr);
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errs() << "clang-rename: renamed at: " << SourceMgr.getFilename(Loc)
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<< ":" << FullLoc.getSpellingLineNumber() << ":"
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<< FullLoc.getSpellingColumnNumber() << "\n";
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Replaces.insert(tooling::Replacement(SourceMgr, Loc, PrevNameLen,
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NewName));
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}
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else
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for (const auto &Loc : RenamingCandidates)
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Replaces.insert(tooling::Replacement(SourceMgr, Loc, PrevNameLen,
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NewName));
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}
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private:
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StringRef NewName, PrevName;
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const std::vector<std::string> &USRs;
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tooling::Replacements &Replaces;
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bool PrintLocations;
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};
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std::unique_ptr<ASTConsumer> RenamingAction::newASTConsumer() {
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return llvm::make_unique<RenamingASTConsumer>(NewName, PrevName, USRs,
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Replaces, PrintLocations);
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}
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}
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}
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