llvm/clang-tools-extra/clang-move/Move.cpp

//===-- Move.cpp - Implement ClangMove functationalities --------*- C++ -*-===//
//
// 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
//
//===----------------------------------------------------------------------===//

#include "Move.h"
#include "HelperDeclRefGraph.h"
#include "clang/ASTMatchers/ASTMatchers.h"
#include "clang/Basic/SourceManager.h"
#include "clang/Format/Format.h"
#include "clang/Frontend/CompilerInstance.h"
#include "clang/Lex/Lexer.h"
#include "clang/Lex/Preprocessor.h"
#include "clang/Rewrite/Core/Rewriter.h"
#include "clang/Tooling/Core/Replacement.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/Path.h"

#define DEBUG_TYPE …

usingnamespaceclang::ast_matchers;

namespace clang {
namespace move {
namespace {

// FIXME: Move to ASTMatchers.
AST_MATCHER(VarDecl, isStaticDataMember) { … }

AST_MATCHER(NamedDecl, notInMacro) { … }

AST_MATCHER_P(Decl, hasOutermostEnclosingClass,
              ast_matchers::internal::Matcher<Decl>, InnerMatcher) { … }

AST_MATCHER_P(CXXMethodDecl, ofOutermostEnclosingClass,
              ast_matchers::internal::Matcher<CXXRecordDecl>, InnerMatcher) { … }

std::string CleanPath(StringRef PathRef) { … }

// Make the Path absolute using the CurrentDir if the Path is not an absolute
// path. An empty Path will result in an empty string.
std::string MakeAbsolutePath(StringRef CurrentDir, StringRef Path) { … }

// Make the Path absolute using the current working directory of the given
// SourceManager if the Path is not an absolute path.
//
// The Path can be a path relative to the build directory, or retrieved from
// the SourceManager.
std::string MakeAbsolutePath(const SourceManager &SM, StringRef Path) { … }

// Matches AST nodes that are expanded within the given AbsoluteFilePath.
AST_POLYMORPHIC_MATCHER_P(isExpansionInFile,
                          AST_POLYMORPHIC_SUPPORTED_TYPES(Decl, Stmt, TypeLoc),
                          std::string, AbsoluteFilePath) { … }

class FindAllIncludes : public PPCallbacks { … };

/// Add a declaration being moved to new.h/cc. Note that the declaration will
/// also be deleted in old.h/cc.
void MoveDeclFromOldFileToNewFile(ClangMoveTool *MoveTool, const NamedDecl *D) { … }

class FunctionDeclarationMatch : public MatchFinder::MatchCallback { … };

class VarDeclarationMatch : public MatchFinder::MatchCallback { … };

class TypeAliasMatch : public MatchFinder::MatchCallback { … };

class EnumDeclarationMatch : public MatchFinder::MatchCallback { … };

class ClassDeclarationMatch : public MatchFinder::MatchCallback { … };

// Expand to get the end location of the line where the EndLoc of the given
// Decl.
SourceLocation getLocForEndOfDecl(const Decl *D,
                                  const LangOptions &LangOpts = LangOptions()) { … }

// Get full range of a Decl including the comments associated with it.
CharSourceRange getFullRange(const Decl *D,
                             const LangOptions &options = LangOptions()) { … }

std::string getDeclarationSourceText(const Decl *D) { … }

bool isInHeaderFile(const Decl *D, llvm::StringRef OriginalRunningDirectory,
                    llvm::StringRef OldHeader) { … }

std::vector<std::string> getNamespaces(const Decl *D) { … }

tooling::Replacements
createInsertedReplacements(const std::vector<std::string> &Includes,
                           const std::vector<const NamedDecl *> &Decls,
                           llvm::StringRef FileName, bool IsHeader = false,
                           StringRef OldHeaderInclude = "") { … }

// Return a set of all decls which are used/referenced by the given Decls.
// Specifically, given a class member declaration, this method will return all
// decls which are used by the whole class.
llvm::DenseSet<const Decl *>
getUsedDecls(const HelperDeclRefGraph *RG,
             const std::vector<const NamedDecl *> &Decls) { … }

} // namespace

std::unique_ptr<ASTConsumer>
ClangMoveAction::CreateASTConsumer(CompilerInstance &Compiler,
                                   StringRef /*InFile*/) { … }

ClangMoveTool::ClangMoveTool(ClangMoveContext *const Context,
                             DeclarationReporter *const Reporter)
    : … { … }

void ClangMoveTool::addRemovedDecl(const NamedDecl *Decl) { … }

void ClangMoveTool::registerMatchers(ast_matchers::MatchFinder *Finder) { … }

void ClangMoveTool::run(const ast_matchers::MatchFinder::MatchResult &Result) { … }

std::string ClangMoveTool::makeAbsolutePath(StringRef Path) { … }

void ClangMoveTool::addIncludes(llvm::StringRef IncludeHeader, bool IsAngled,
                                llvm::StringRef SearchPath,
                                llvm::StringRef FileName,
                                CharSourceRange IncludeFilenameRange,
                                const SourceManager &SM) { … }

void ClangMoveTool::removeDeclsInOldFiles() { … }

void ClangMoveTool::moveDeclsToNewFiles() { … }

// Move all contents from OldFile to NewFile.
void ClangMoveTool::moveAll(SourceManager &SM, StringRef OldFile,
                            StringRef NewFile) { … }

void ClangMoveTool::onEndOfTranslationUnit() { … }

} // namespace move
} // namespace clang