maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity

[clang-move] Remove clang:: qualifier 

Summary:
The use sites are enclosed by `namespace clang`, so clang:: is not
necessary. Many unqualified names have already been used, e.g. SourceManager SourceLocation LangOptions. This change makes the code terser and more consistent.

Reviewers: hokein

Reviewed By: hokein

Subscribers: ioeric, cfe-commits

Differential Revision: https://reviews.llvm.org/D53060

llvm-svn: 344256
This commit is contained in:
Fangrui Song 2018-10-11 16:09:26 +00:00
parent 4875662e57
commit 95b45cb4fd
1 changed files with 54 additions and 69 deletions
clang-tools-extra/clang-move
ClangMove.cpp

123
clang-tools-extra/clang-move/ClangMove.cpp
View File

@ -128,18 +128,17 @@ AST_POLYMORPHIC_MATCHER_P(isExpansionInFile,
AbsoluteFilePath;
}
class FindAllIncludes : public clang::PPCallbacks {
class FindAllIncludes : public PPCallbacks {
public:
explicit FindAllIncludes(SourceManager *SM, ClangMoveTool *const MoveTool)
: SM(*SM), MoveTool(MoveTool) {}
void InclusionDirective(clang::SourceLocation HashLoc,
const clang::Token & /*IncludeTok*/,
void InclusionDirective(SourceLocation HashLoc, const Token & /*IncludeTok*/,
StringRef FileName, bool IsAngled,
clang::CharSourceRange FilenameRange,
const clang::FileEntry * /*File*/,
StringRef SearchPath, StringRef /*RelativePath*/,
const clang::Module * /*Imported*/,
CharSourceRange FilenameRange,
const FileEntry * /*File*/, StringRef SearchPath,
StringRef /*RelativePath*/,
const Module * /*Imported*/,
SrcMgr::CharacteristicKind /*FileType*/) override {
if (const auto *FileEntry = SM.getFileEntryForID(SM.getFileID(HashLoc)))
MoveTool->addIncludes(FileName, IsAngled, SearchPath,
@ -165,9 +164,9 @@ public:
: MoveTool(MoveTool) {}
void run(const MatchFinder::MatchResult &Result) override {
const auto *FD = Result.Nodes.getNodeAs<clang::FunctionDecl>("function");
const auto *FD = Result.Nodes.getNodeAs<FunctionDecl>("function");
assert(FD);
const clang::NamedDecl *D = FD;
const NamedDecl *D = FD;
if (const auto *FTD = FD->getDescribedFunctionTemplate())
D = FTD;
MoveDeclFromOldFileToNewFile(MoveTool, D);
@ -183,7 +182,7 @@ public:
: MoveTool(MoveTool) {}
void run(const MatchFinder::MatchResult &Result) override {
const auto *VD = Result.Nodes.getNodeAs<clang::VarDecl>("var");
const auto *VD = Result.Nodes.getNodeAs<VarDecl>("var");
assert(VD);
MoveDeclFromOldFileToNewFile(MoveTool, VD);
}
@ -198,10 +197,10 @@ public:
: MoveTool(MoveTool) {}
void run(const MatchFinder::MatchResult &Result) override {
if (const auto *TD = Result.Nodes.getNodeAs<clang::TypedefDecl>("typedef"))
if (const auto *TD = Result.Nodes.getNodeAs<TypedefDecl>("typedef"))
MoveDeclFromOldFileToNewFile(MoveTool, TD);
else if (const auto *TAD =
Result.Nodes.getNodeAs<clang::TypeAliasDecl>("type_alias")) {
Result.Nodes.getNodeAs<TypeAliasDecl>("type_alias")) {
const NamedDecl * D = TAD;
if (const auto * TD = TAD->getDescribedAliasTemplate())
D = TD;
@ -219,7 +218,7 @@ public:
: MoveTool(MoveTool) {}
void run(const MatchFinder::MatchResult &Result) override {
const auto *ED = Result.Nodes.getNodeAs<clang::EnumDecl>("enum");
const auto *ED = Result.Nodes.getNodeAs<EnumDecl>("enum");
assert(ED);
MoveDeclFromOldFileToNewFile(MoveTool, ED);
}
@ -233,21 +232,19 @@ public:
explicit ClassDeclarationMatch(ClangMoveTool *MoveTool)
: MoveTool(MoveTool) {}
void run(const MatchFinder::MatchResult &Result) override {
clang::SourceManager* SM = &Result.Context->getSourceManager();
if (const auto *CMD =
Result.Nodes.getNodeAs<clang::CXXMethodDecl>("class_method"))
SourceManager *SM = &Result.Context->getSourceManager();
if (const auto *CMD = Result.Nodes.getNodeAs<CXXMethodDecl>("class_method"))
MatchClassMethod(CMD, SM);
else if (const auto *VD = Result.Nodes.getNodeAs<clang::VarDecl>(
"class_static_var_decl"))
else if (const auto *VD =
Result.Nodes.getNodeAs<VarDecl>("class_static_var_decl"))
MatchClassStaticVariable(VD, SM);
else if (const auto *CD = Result.Nodes.getNodeAs<clang::CXXRecordDecl>(
"moved_class"))
else if (const auto *CD =
Result.Nodes.getNodeAs<CXXRecordDecl>("moved_class"))
MatchClassDeclaration(CD, SM);
}
private:
void MatchClassMethod(const clang::CXXMethodDecl* CMD,
clang::SourceManager* SM) {
void MatchClassMethod(const CXXMethodDecl *CMD, SourceManager *SM) {
// Skip inline class methods. isInline() ast matcher doesn't ignore this
// case.
if (!CMD->isInlined()) {
@ -262,13 +259,11 @@ private:
}
}
void MatchClassStaticVariable(const clang::NamedDecl *VD,
clang::SourceManager* SM) {
void MatchClassStaticVariable(const NamedDecl *VD, SourceManager *SM) {
MoveDeclFromOldFileToNewFile(MoveTool, VD);
}
void MatchClassDeclaration(const clang::CXXRecordDecl *CD,
clang::SourceManager* SM) {
void MatchClassDeclaration(const CXXRecordDecl *CD, SourceManager *SM) {
// Get class template from its class declaration as UnremovedDecls stores
// class template.
if (const auto *TC = CD->getDescribedClassTemplate())
@ -285,9 +280,8 @@ private:
// Expand to get the end location of the line where the EndLoc of the given
// Decl.
SourceLocation
getLocForEndOfDecl(const clang::Decl *D,
const LangOptions &LangOpts = clang::LangOptions()) {
SourceLocation getLocForEndOfDecl(const Decl *D,
const LangOptions &LangOpts = LangOptions()) {
const auto &SM = D->getASTContext().getSourceManager();
// If the expansion range is a character range, this is the location of
// the first character past the end. Otherwise it's the location of the
@ -319,12 +313,10 @@ getLocForEndOfDecl(const clang::Decl *D,
}
// Get full range of a Decl including the comments associated with it.
clang::CharSourceRange
getFullRange(const clang::Decl *D,
const clang::LangOptions &options = clang::LangOptions()) {
CharSourceRange getFullRange(const Decl *D,
const LangOptions &options = LangOptions()) {
const auto &SM = D->getASTContext().getSourceManager();
clang::SourceRange Full(SM.getExpansionLoc(D->getBeginLoc()),
getLocForEndOfDecl(D));
SourceRange Full(SM.getExpansionLoc(D->getBeginLoc()), getLocForEndOfDecl(D));
// Expand to comments that are associated with the Decl.
if (const auto *Comment = D->getASTContext().getRawCommentForDeclNoCache(D)) {
if (SM.isBeforeInTranslationUnit(Full.getEnd(), Comment->getEndLoc()))
@ -335,18 +327,17 @@ getFullRange(const clang::Decl *D,
Full.setBegin(Comment->getBeginLoc());
}
return clang::CharSourceRange::getCharRange(Full);
return CharSourceRange::getCharRange(Full);
}
std::string getDeclarationSourceText(const clang::Decl *D) {
std::string getDeclarationSourceText(const Decl *D) {
const auto &SM = D->getASTContext().getSourceManager();
llvm::StringRef SourceText =
clang::Lexer::getSourceText(getFullRange(D), SM, clang::LangOptions());
Lexer::getSourceText(getFullRange(D), SM, LangOptions());
return SourceText.str();
}
bool isInHeaderFile(const clang::Decl *D,
llvm::StringRef OriginalRunningDirectory,
bool isInHeaderFile(const Decl *D, llvm::StringRef OriginalRunningDirectory,
llvm::StringRef OldHeader) {
const auto &SM = D->getASTContext().getSourceManager();
if (OldHeader.empty())
@ -363,22 +354,22 @@ bool isInHeaderFile(const clang::Decl *D,
return false;
}
std::vector<std::string> getNamespaces(const clang::Decl *D) {
std::vector<std::string> getNamespaces(const Decl *D) {
std::vector<std::string> Namespaces;
for (const auto *Context = D->getDeclContext(); Context;
Context = Context->getParent()) {
if (llvm::isa<clang::TranslationUnitDecl>(Context) ||
llvm::isa<clang::LinkageSpecDecl>(Context))
if (llvm::isa<TranslationUnitDecl>(Context) ||
llvm::isa<LinkageSpecDecl>(Context))
break;
if (const auto *ND = llvm::dyn_cast<clang::NamespaceDecl>(Context))
if (const auto *ND = llvm::dyn_cast<NamespaceDecl>(Context))
Namespaces.push_back(ND->getName().str());
}
std::reverse(Namespaces.begin(), Namespaces.end());
return Namespaces;
}
clang::tooling::Replacements
tooling::Replacements
createInsertedReplacements(const std::vector<std::string> &Includes,
const std::vector<const NamedDecl *> &Decls,
llvm::StringRef FileName, bool IsHeader = false,
@ -463,8 +454,7 @@ createInsertedReplacements(const std::vector<std::string> &Includes,
if (IsHeader)
NewCode += "\n#endif // " + GuardName + "\n";
return clang::tooling::Replacements(
clang::tooling::Replacement(FileName, 0, 0, NewCode));
return tooling::Replacements(tooling::Replacement(FileName, 0, 0, NewCode));
}
// Return a set of all decls which are used/referenced by the given Decls.
@ -488,8 +478,8 @@ getUsedDecls(const HelperDeclRefGraph *RG,
} // namespace
std::unique_ptr<clang::ASTConsumer>
ClangMoveAction::CreateASTConsumer(clang::CompilerInstance &Compiler,
std::unique_ptr<ASTConsumer>
ClangMoveAction::CreateASTConsumer(CompilerInstance &Compiler,
StringRef /*InFile*/) {
Compiler.getPreprocessor().addPPCallbacks(llvm::make_unique<FindAllIncludes>(
&Compiler.getSourceManager(), &MoveTool));
@ -673,11 +663,10 @@ void ClangMoveTool::registerMatchers(ast_matchers::MatchFinder *Finder) {
}
void ClangMoveTool::run(const ast_matchers::MatchFinder::MatchResult &Result) {
if (const auto *D =
Result.Nodes.getNodeAs<clang::NamedDecl>("decls_in_header")) {
if (const auto *D = Result.Nodes.getNodeAs<NamedDecl>("decls_in_header")) {
UnremovedDeclsInOldHeader.insert(D);
} else if (const auto *FWD =
Result.Nodes.getNodeAs<clang::CXXRecordDecl>("fwd_decl")) {
Result.Nodes.getNodeAs<CXXRecordDecl>("fwd_decl")) {
// Skip all forward declarations which appear after moved class declaration.
if (RemovedDecls.empty()) {
if (const auto *DCT = FWD->getDescribedClassTemplate())
@ -686,13 +675,12 @@ void ClangMoveTool::run(const ast_matchers::MatchFinder::MatchResult &Result) {
MovedDecls.push_back(FWD);
}
} else if (const auto *ND =
Result.Nodes.getNodeAs<clang::NamedDecl>("helper_decls")) {
Result.Nodes.getNodeAs<NamedDecl>("helper_decls")) {
MovedDecls.push_back(ND);
HelperDeclarations.push_back(ND);
LLVM_DEBUG(llvm::dbgs() << "Add helper : " << ND->getNameAsString() << " ("
<< ND << ")\n");
} else if (const auto *UD =
Result.Nodes.getNodeAs<clang::NamedDecl>("using_decl")) {
} else if (const auto *UD = Result.Nodes.getNodeAs<NamedDecl>("using_decl")) {
MovedDecls.push_back(UD);
}
}
@ -704,7 +692,7 @@ std::string ClangMoveTool::makeAbsolutePath(StringRef Path) {
void ClangMoveTool::addIncludes(llvm::StringRef IncludeHeader, bool IsAngled,
llvm::StringRef SearchPath,
llvm::StringRef FileName,
clang::CharSourceRange IncludeFilenameRange,
CharSourceRange IncludeFilenameRange,
const SourceManager &SM) {
SmallVector<char, 128> HeaderWithSearchPath;
llvm::sys::path::append(HeaderWithSearchPath, SearchPath, IncludeHeader);
@ -764,9 +752,8 @@ void ClangMoveTool::removeDeclsInOldFiles() {
for (const auto *RemovedDecl : RemovedDecls) {
const auto &SM = RemovedDecl->getASTContext().getSourceManager();
auto Range = getFullRange(RemovedDecl);
clang::tooling::Replacement RemoveReplacement(
SM,
clang::CharSourceRange::getCharRange(Range.getBegin(), Range.getEnd()),
tooling::Replacement RemoveReplacement(
SM, CharSourceRange::getCharRange(Range.getBegin(), Range.getEnd()),
"");
std::string FilePath = RemoveReplacement.getFilePath().str();
auto Err = Context->FileToReplacements[FilePath].add(RemoveReplacement);
@ -868,20 +855,18 @@ void ClangMoveTool::moveAll(SourceManager &SM, StringRef OldFile,
FileID ID = SM.getOrCreateFileID(FE, SrcMgr::C_User);
auto Begin = SM.getLocForStartOfFile(ID);
auto End = SM.getLocForEndOfFile(ID);
clang::tooling::Replacement RemoveAll (
SM, clang::CharSourceRange::getCharRange(Begin, End), "");
tooling::Replacement RemoveAll(SM, CharSourceRange::getCharRange(Begin, End),
"");
std::string FilePath = RemoveAll.getFilePath().str();
Context->FileToReplacements[FilePath] =
clang::tooling::Replacements(RemoveAll);
Context->FileToReplacements[FilePath] = tooling::Replacements(RemoveAll);
StringRef Code = SM.getBufferData(ID);
if (!NewFile.empty()) {
auto AllCode = clang::tooling::Replacements(
clang::tooling::Replacement(NewFile, 0, 0, Code));
auto ReplaceOldInclude = [&](clang::CharSourceRange OldHeaderIncludeRange) {
AllCode = AllCode.merge(clang::tooling::Replacements(
clang::tooling::Replacement(SM, OldHeaderIncludeRange,
'"' + Context->Spec.NewHeader + '"')));
auto AllCode =
tooling::Replacements(tooling::Replacement(NewFile, 0, 0, Code));
auto ReplaceOldInclude = [&](CharSourceRange OldHeaderIncludeRange) {
AllCode = AllCode.merge(tooling::Replacements(tooling::Replacement(
SM, OldHeaderIncludeRange, '"' + Context->Spec.NewHeader + '"')));
};
// Fix the case where old.h/old.cc includes "old.h", we replace the
// `#include "old.h"` with `#include "new.h"`.
@ -923,7 +908,7 @@ void ClangMoveTool::onEndOfTranslationUnit() {
// Ignore symbols that are not supported when checking if there is unremoved
// symbol in old header. This makes sure that we always move old files to new
// files when all symbols produced from dump_decls are moved.
auto IsSupportedKind = [](const clang::NamedDecl *Decl) {
auto IsSupportedKind = [](const NamedDecl *Decl) {
switch (Decl->getKind()) {
case Decl::Kind::Function:
case Decl::Kind::FunctionTemplate: