1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
|
//===--- 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 <string>
#include <vector>
using namespace llvm;
namespace clang {
namespace rename {
class RenamingASTConsumer : public ASTConsumer {
public:
RenamingASTConsumer(
const std::vector<std::string> &NewNames,
const std::vector<std::string> &PrevNames,
const std::vector<std::vector<std::string>> &USRList,
std::map<std::string, tooling::Replacements> &FileToReplaces,
bool PrintLocations)
: NewNames(NewNames), PrevNames(PrevNames), USRList(USRList),
FileToReplaces(FileToReplaces), PrintLocations(PrintLocations) {}
void HandleTranslationUnit(ASTContext &Context) override {
for (unsigned I = 0; I < NewNames.size(); ++I)
HandleOneRename(Context, NewNames[I], PrevNames[I], USRList[I]);
}
void HandleOneRename(ASTContext &Context, const std::string &NewName,
const std::string &PrevName,
const std::vector<std::string> &USRs) {
const SourceManager &SourceMgr = Context.getSourceManager();
std::vector<SourceLocation> RenamingCandidates;
std::vector<SourceLocation> NewCandidates;
NewCandidates =
getLocationsOfUSRs(USRs, PrevName, Context.getTranslationUnitDecl());
RenamingCandidates.insert(RenamingCandidates.end(), NewCandidates.begin(),
NewCandidates.end());
unsigned PrevNameLen = PrevName.length();
for (const auto &Loc : RenamingCandidates) {
if (PrintLocations) {
FullSourceLoc FullLoc(Loc, SourceMgr);
errs() << "clang-rename: renamed at: " << SourceMgr.getFilename(Loc)
<< ":" << FullLoc.getSpellingLineNumber() << ":"
<< FullLoc.getSpellingColumnNumber() << "\n";
}
// FIXME: better error handling.
tooling::Replacement Replace(SourceMgr, Loc, PrevNameLen, NewName);
llvm::Error Err = FileToReplaces[Replace.getFilePath()].add(Replace);
if (Err)
llvm::errs() << "Renaming failed in " << Replace.getFilePath() << "! "
<< llvm::toString(std::move(Err)) << "\n";
}
}
private:
const std::vector<std::string> &NewNames, &PrevNames;
const std::vector<std::vector<std::string>> &USRList;
std::map<std::string, tooling::Replacements> &FileToReplaces;
bool PrintLocations;
};
std::unique_ptr<ASTConsumer> RenamingAction::newASTConsumer() {
return llvm::make_unique<RenamingASTConsumer>(NewNames, PrevNames, USRList,
FileToReplaces, PrintLocations);
}
} // namespace rename
} // namespace clang
|
