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