89 lines
3.2 KiB
C++
89 lines
3.2 KiB
C++
//===-- LoopConvert/LoopConvert.cpp - C++11 for-loop migration --*- 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 LoopConvertTransform
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/// class.
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///
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//===----------------------------------------------------------------------===//
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#include "LoopConvert.h"
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#include "LoopActions.h"
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#include "LoopMatchers.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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using clang::ast_matchers::MatchFinder;
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using namespace clang::tooling;
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using namespace clang;
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int LoopConvertTransform::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 LoopTool(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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LoopTool.mapVirtualFile(I->first, I->second);
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}
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StmtAncestorASTVisitor ParentFinder;
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StmtGeneratedVarNameMap GeneratedDecls;
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ReplacedVarsMap ReplacedVars;
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unsigned AcceptedChanges = 0;
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unsigned DeferredChanges = 0;
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unsigned RejectedChanges = 0;
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MatchFinder Finder;
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LoopFixer ArrayLoopFixer(&ParentFinder, &LoopTool.getReplacements(),
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&GeneratedDecls, &ReplacedVars, &AcceptedChanges,
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&DeferredChanges, &RejectedChanges,
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MaxRisk, LFK_Array);
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Finder.addMatcher(makeArrayLoopMatcher(), &ArrayLoopFixer);
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LoopFixer IteratorLoopFixer(&ParentFinder, &LoopTool.getReplacements(),
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&GeneratedDecls, &ReplacedVars,
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&AcceptedChanges, &DeferredChanges,
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&RejectedChanges,
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MaxRisk, LFK_Iterator);
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Finder.addMatcher(makeIteratorLoopMatcher(), &IteratorLoopFixer);
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LoopFixer PseudoarrrayLoopFixer(&ParentFinder, &LoopTool.getReplacements(),
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&GeneratedDecls, &ReplacedVars,
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&AcceptedChanges, &DeferredChanges,
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&RejectedChanges,
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MaxRisk, LFK_PseudoArray);
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Finder.addMatcher(makePseudoArrayLoopMatcher(), &PseudoarrrayLoopFixer);
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if (int result = LoopTool.run(newFrontendActionFactory(&Finder))) {
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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(LoopTool.getFiles(), InputStates);
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// FIXME: Do something if some replacements didn't get applied?
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LoopTool.applyAllReplacements(Rewrite.getRewriter());
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collectResults(Rewrite.getRewriter(), ResultStates);
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if (AcceptedChanges > 0) {
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setChangesMade();
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}
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if (RejectedChanges > 0 || DeferredChanges > 0) {
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setChangesNotMade();
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}
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return 0;
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}
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