forked from OSchip/llvm-project
83 lines
3.0 KiB
C++
83 lines
3.0 KiB
C++
//===-- LoopConvert/LoopConvert.cpp - C++11 for-loop migration ------------===//
|
|
//
|
|
// 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/Tooling/Refactoring.h"
|
|
#include "clang/Tooling/Tooling.h"
|
|
|
|
using clang::ast_matchers::MatchFinder;
|
|
using namespace clang::tooling;
|
|
using namespace clang;
|
|
|
|
int LoopConvertTransform::apply(FileOverrides &InputStates,
|
|
const CompilationDatabase &Database,
|
|
const std::vector<std::string> &SourcePaths) {
|
|
ClangTool LoopTool(Database, SourcePaths);
|
|
|
|
StmtAncestorASTVisitor ParentFinder;
|
|
StmtGeneratedVarNameMap GeneratedDecls;
|
|
ReplacedVarsMap ReplacedVars;
|
|
unsigned AcceptedChanges = 0;
|
|
unsigned DeferredChanges = 0;
|
|
unsigned RejectedChanges = 0;
|
|
|
|
MatchFinder Finder;
|
|
LoopFixer ArrayLoopFixer(&ParentFinder, &getReplacements(), &GeneratedDecls,
|
|
&ReplacedVars, &AcceptedChanges, &DeferredChanges,
|
|
&RejectedChanges, Options().MaxRiskLevel, LFK_Array,
|
|
/*Owner=*/ *this);
|
|
Finder.addMatcher(makeArrayLoopMatcher(), &ArrayLoopFixer);
|
|
LoopFixer IteratorLoopFixer(
|
|
&ParentFinder, &getReplacements(), &GeneratedDecls, &ReplacedVars,
|
|
&AcceptedChanges, &DeferredChanges, &RejectedChanges,
|
|
Options().MaxRiskLevel, LFK_Iterator, /*Owner=*/ *this);
|
|
Finder.addMatcher(makeIteratorLoopMatcher(), &IteratorLoopFixer);
|
|
LoopFixer PseudoarrrayLoopFixer(
|
|
&ParentFinder, &getReplacements(), &GeneratedDecls, &ReplacedVars,
|
|
&AcceptedChanges, &DeferredChanges, &RejectedChanges,
|
|
Options().MaxRiskLevel, LFK_PseudoArray, /*Owner=*/ *this);
|
|
Finder.addMatcher(makePseudoArrayLoopMatcher(), &PseudoarrrayLoopFixer);
|
|
|
|
setOverrides(InputStates);
|
|
|
|
if (int result = LoopTool.run(createActionFactory(Finder))) {
|
|
llvm::errs() << "Error encountered during translation.\n";
|
|
return result;
|
|
}
|
|
|
|
setAcceptedChanges(AcceptedChanges);
|
|
setRejectedChanges(RejectedChanges);
|
|
setDeferredChanges(DeferredChanges);
|
|
|
|
return 0;
|
|
}
|
|
|
|
struct LoopConvertFactory : TransformFactory {
|
|
Transform *createTransform(const TransformOptions &Opts) LLVM_OVERRIDE {
|
|
return new LoopConvertTransform(Opts);
|
|
}
|
|
};
|
|
|
|
// Register the factory using this statically initialized variable.
|
|
static TransformFactoryRegistry::Add<LoopConvertFactory>
|
|
X("loop-convert", "Make use of range-based for loops where possible");
|
|
|
|
// This anchor is used to force the linker to link in the generated object file
|
|
// and thus register the factory.
|
|
volatile int LoopConvertTransformAnchorSource = 0;
|