81 lines
2.8 KiB
C++
81 lines
2.8 KiB
C++
//===-- AddOverride/AddOverride.cpp - add C++11 override -------*- C++ -*-===//
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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 This file provides the implementation of the AddOverrideTransform
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/// class.
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///
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//===----------------------------------------------------------------------===//
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#include "AddOverride.h"
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#include "AddOverrideActions.h"
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#include "AddOverrideMatchers.h"
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#include "clang/Frontend/CompilerInstance.h"
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#include "clang/Frontend/FrontendActions.h"
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#include "clang/Rewrite/Core/Rewriter.h"
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#include "clang/Tooling/Refactoring.h"
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#include "clang/Tooling/Tooling.h"
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#include "llvm/Support/CommandLine.h"
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using clang::ast_matchers::MatchFinder;
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using namespace clang::tooling;
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using namespace clang;
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static llvm::cl::opt<bool> DetectMacros(
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"override-macros",
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llvm::cl::desc("Detect and use macros that expand to the 'override' keyword."));
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int AddOverrideTransform::apply(const FileContentsByPath &InputStates,
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RiskLevel MaxRisk,
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const CompilationDatabase &Database,
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const std::vector<std::string> &SourcePaths,
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FileContentsByPath &ResultStates) {
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RefactoringTool AddOverrideTool(Database, SourcePaths);
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for (FileContentsByPath::const_iterator I = InputStates.begin(),
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E = InputStates.end();
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I != E; ++I) {
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AddOverrideTool.mapVirtualFile(I->first, I->second);
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}
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unsigned AcceptedChanges = 0;
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MatchFinder Finder;
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AddOverrideFixer Fixer(AddOverrideTool.getReplacements(), AcceptedChanges,
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DetectMacros);
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// Make Fixer available to handleBeginSource().
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this->Fixer = &Fixer;
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Finder.addMatcher(makeCandidateForOverrideAttrMatcher(), &Fixer);
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if (int result = AddOverrideTool.run(
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newFrontendActionFactory(&Finder, /*Callbacks=*/ this))) {
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llvm::errs() << "Error encountered during translation.\n";
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return result;
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}
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RewriterContainer Rewrite(AddOverrideTool.getFiles(), InputStates);
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// FIXME: Do something if some replacements didn't get applied?
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AddOverrideTool.applyAllReplacements(Rewrite.getRewriter());
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collectResults(Rewrite.getRewriter(), InputStates, ResultStates);
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setAcceptedChanges(AcceptedChanges);
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return 0;
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}
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bool AddOverrideTransform::handleBeginSource(clang::CompilerInstance &CI,
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llvm::StringRef Filename) {
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assert(Fixer != NULL && "Fixer must be set");
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Fixer->setPreprocessor(CI.getPreprocessor());
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return Transform::handleBeginSource(CI, Filename);
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}
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