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//===-- Internals.h - Implementation Details---------------------*- 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
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_LIB_ARCMIGRATE_INTERNALS_H
#define LLVM_CLANG_LIB_ARCMIGRATE_INTERNALS_H
#include "clang/Basic/LangOptions.h"
#include "clang/Basic/Diagnostic.h"
#include "clang/Frontend/MigratorOptions.h"
#include "llvm/ADT/ArrayRef.h"
#include <list>
#include <optional>
namespace clang {
class ASTContext;
class Sema;
class Stmt;
namespace arcmt {
class CapturedDiagList {
typedef std::list<StoredDiagnostic> ListTy;
ListTy List;
public:
void push_back(const StoredDiagnostic &diag) { List.push_back(diag); }
bool clearDiagnostic(ArrayRef<unsigned> IDs, SourceRange range);
bool hasDiagnostic(ArrayRef<unsigned> IDs, SourceRange range) const;
void reportDiagnostics(DiagnosticsEngine &diags) const;
bool hasErrors() const;
typedef ListTy::const_iterator iterator;
iterator begin() const { return List.begin(); }
iterator end() const { return List.end(); }
};
void writeARCDiagsToPlist(const std::string &outPath,
ArrayRef<StoredDiagnostic> diags,
SourceManager &SM, const LangOptions &LangOpts);
class TransformActions {
DiagnosticsEngine &Diags;
CapturedDiagList &CapturedDiags;
void *Impl; // TransformActionsImpl.
public:
TransformActions(DiagnosticsEngine &diag, CapturedDiagList &capturedDiags,
ASTContext &ctx, Preprocessor &PP);
~TransformActions();
void startTransaction();
bool commitTransaction();
void abortTransaction();
void insert(SourceLocation loc, StringRef text);
void insertAfterToken(SourceLocation loc, StringRef text);
void remove(SourceRange range);
void removeStmt(Stmt *S);
void replace(SourceRange range, StringRef text);
void replace(SourceRange range, SourceRange replacementRange);
void replaceStmt(Stmt *S, StringRef text);
void replaceText(SourceLocation loc, StringRef text,
StringRef replacementText);
void increaseIndentation(SourceRange range,
SourceLocation parentIndent);
bool clearDiagnostic(ArrayRef<unsigned> IDs, SourceRange range);
bool clearAllDiagnostics(SourceRange range) {
return clearDiagnostic(std::nullopt, range);
}
bool clearDiagnostic(unsigned ID1, unsigned ID2, SourceRange range) {
unsigned IDs[] = { ID1, ID2 };
return clearDiagnostic(IDs, range);
}
bool clearDiagnostic(unsigned ID1, unsigned ID2, unsigned ID3,
SourceRange range) {
unsigned IDs[] = { ID1, ID2, ID3 };
return clearDiagnostic(IDs, range);
}
bool hasDiagnostic(unsigned ID, SourceRange range) {
return CapturedDiags.hasDiagnostic(ID, range);
}
bool hasDiagnostic(unsigned ID1, unsigned ID2, SourceRange range) {
unsigned IDs[] = { ID1, ID2 };
return CapturedDiags.hasDiagnostic(IDs, range);
}
DiagnosticBuilder report(SourceLocation loc, unsigned diagId,
SourceRange range = SourceRange());
void reportError(StringRef error, SourceLocation loc,
SourceRange range = SourceRange());
void reportWarning(StringRef warning, SourceLocation loc,
SourceRange range = SourceRange());
void reportNote(StringRef note, SourceLocation loc,
SourceRange range = SourceRange());
bool hasReportedErrors() const {
return Diags.hasUnrecoverableErrorOccurred();
}
class RewriteReceiver {
public:
virtual ~RewriteReceiver();
virtual void insert(SourceLocation loc, StringRef text) = 0;
virtual void remove(CharSourceRange range) = 0;
virtual void increaseIndentation(CharSourceRange range,
SourceLocation parentIndent) = 0;
};
void applyRewrites(RewriteReceiver &receiver);
};
class Transaction {
TransformActions &TA;
bool Aborted;
public:
Transaction(TransformActions &TA) : TA(TA), Aborted(false) {
TA.startTransaction();
}
~Transaction() {
if (!isAborted())
TA.commitTransaction();
}
void abort() {
TA.abortTransaction();
Aborted = true;
}
bool isAborted() const { return Aborted; }
};
class MigrationPass {
public:
ASTContext &Ctx;
LangOptions::GCMode OrigGCMode;
MigratorOptions MigOptions;
Sema &SemaRef;
TransformActions &TA;
const CapturedDiagList &CapturedDiags;
std::vector<SourceLocation> &ARCMTMacroLocs;
std::optional<bool> EnableCFBridgeFns;
MigrationPass(ASTContext &Ctx, LangOptions::GCMode OrigGCMode, Sema &sema,
TransformActions &TA, const CapturedDiagList &capturedDiags,
std::vector<SourceLocation> &ARCMTMacroLocs)
: Ctx(Ctx), OrigGCMode(OrigGCMode), SemaRef(sema), TA(TA),
CapturedDiags(capturedDiags), ARCMTMacroLocs(ARCMTMacroLocs) {}
const CapturedDiagList &getDiags() const { return CapturedDiags; }
bool isGCMigration() const { return OrigGCMode != LangOptions::NonGC; }
bool noFinalizeRemoval() const { return MigOptions.NoFinalizeRemoval; }
void setNoFinalizeRemoval(bool val) {MigOptions.NoFinalizeRemoval = val; }
bool CFBridgingFunctionsDefined();
};
static inline StringRef getARCMTMacroName() {
return "__IMPL_ARCMT_REMOVED_EXPR__";
}
} // end namespace arcmt
} // end namespace clang
#endif
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