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//===-- LoopConvert/LoopConvert.cpp - C++11 for-loop migration --*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
///
/// \file
/// \brief This file provides the implementation of the LoopConvertTransform
/// class.
///
//===----------------------------------------------------------------------===//
#include "LoopConvert.h"
#include "LoopActions.h"
#include "LoopMatchers.h"
#include "clang/Frontend/FrontendActions.h"
#include "clang/Rewrite/Core/Rewriter.h"
#include "clang/Tooling/Refactoring.h"
#include "clang/Tooling/Tooling.h"
using clang::ast_matchers::MatchFinder;
using namespace clang::tooling;
using namespace clang;
int LoopConvertTransform::apply(const FileContentsByPath &InputStates,
RiskLevel MaxRisk,
const CompilationDatabase &Database,
const std::vector<std::string> &SourcePaths,
FileContentsByPath &ResultStates) {
RefactoringTool LoopTool(Database, SourcePaths);
for (FileContentsByPath::const_iterator I = InputStates.begin(),
E = InputStates.end();
I != E; ++I) {
LoopTool.mapVirtualFile(I->first, I->second);
}
StmtAncestorASTVisitor ParentFinder;
StmtGeneratedVarNameMap GeneratedDecls;
ReplacedVarsMap ReplacedVars;
unsigned AcceptedChanges = 0;
unsigned DeferredChanges = 0;
unsigned RejectedChanges = 0;
MatchFinder Finder;
LoopFixer ArrayLoopFixer(&ParentFinder, &LoopTool.getReplacements(),
&GeneratedDecls, &ReplacedVars, &AcceptedChanges,
&DeferredChanges, &RejectedChanges,
MaxRisk, LFK_Array);
Finder.addMatcher(makeArrayLoopMatcher(), &ArrayLoopFixer);
LoopFixer IteratorLoopFixer(&ParentFinder, &LoopTool.getReplacements(),
&GeneratedDecls, &ReplacedVars,
&AcceptedChanges, &DeferredChanges,
&RejectedChanges,
MaxRisk, LFK_Iterator);
Finder.addMatcher(makeIteratorLoopMatcher(), &IteratorLoopFixer);
LoopFixer PseudoarrrayLoopFixer(&ParentFinder, &LoopTool.getReplacements(),
&GeneratedDecls, &ReplacedVars,
&AcceptedChanges, &DeferredChanges,
&RejectedChanges,
MaxRisk, LFK_PseudoArray);
Finder.addMatcher(makePseudoArrayLoopMatcher(), &PseudoarrrayLoopFixer);
if (int result = LoopTool.run(
newFrontendActionFactory(&Finder, /*Callbacks=*/ this))) {
llvm::errs() << "Error encountered during translation.\n";
return result;
}
RewriterContainer Rewrite(LoopTool.getFiles(), InputStates);
// FIXME: Do something if some replacements didn't get applied?
LoopTool.applyAllReplacements(Rewrite.getRewriter());
collectResults(Rewrite.getRewriter(), InputStates, ResultStates);
setAcceptedChanges(AcceptedChanges);
setRejectedChanges(RejectedChanges);
setDeferredChanges(DeferredChanges);
return 0;
}
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