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//===- TypeVisitorCallbackPipeline.h ----------------------------*- 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_DEBUGINFO_CODEVIEW_TYPEVISITORCALLBACKPIPELINE_H
#define LLVM_DEBUGINFO_CODEVIEW_TYPEVISITORCALLBACKPIPELINE_H
#include "llvm/DebugInfo/CodeView/CodeView.h"
#include "llvm/DebugInfo/CodeView/TypeRecord.h"
#include "llvm/DebugInfo/CodeView/TypeVisitorCallbacks.h"
#include "llvm/Support/Error.h"
#include <vector>
namespace llvm {
namespace codeview {
class TypeVisitorCallbackPipeline : public TypeVisitorCallbacks {
public:
TypeVisitorCallbackPipeline() = default;
Error visitUnknownType(CVRecord<TypeLeafKind> &Record) override {
for (auto Visitor : Pipeline) {
if (auto EC = Visitor->visitUnknownType(Record))
return EC;
}
return Error::success();
}
Error visitUnknownMember(CVMemberRecord &Record) override {
for (auto Visitor : Pipeline) {
if (auto EC = Visitor->visitUnknownMember(Record))
return EC;
}
return Error::success();
}
Error visitTypeBegin(CVType &Record) override {
for (auto Visitor : Pipeline) {
if (auto EC = Visitor->visitTypeBegin(Record))
return EC;
}
return Error::success();
}
Error visitTypeBegin(CVType &Record, TypeIndex Index) override {
for (auto Visitor : Pipeline) {
if (auto EC = Visitor->visitTypeBegin(Record, Index))
return EC;
}
return Error::success();
}
Error visitTypeEnd(CVType &Record) override {
for (auto Visitor : Pipeline) {
if (auto EC = Visitor->visitTypeEnd(Record))
return EC;
}
return Error::success();
}
Error visitMemberBegin(CVMemberRecord &Record) override {
for (auto Visitor : Pipeline) {
if (auto EC = Visitor->visitMemberBegin(Record))
return EC;
}
return Error::success();
}
Error visitMemberEnd(CVMemberRecord &Record) override {
for (auto Visitor : Pipeline) {
if (auto EC = Visitor->visitMemberEnd(Record))
return EC;
}
return Error::success();
}
void addCallbackToPipeline(TypeVisitorCallbacks &Callbacks) {
Pipeline.push_back(&Callbacks);
}
void addCallbackToPipelineFront(TypeVisitorCallbacks &Callbacks) {
auto CallBackItr = Pipeline.begin();
Pipeline.insert(CallBackItr, &Callbacks);
}
#define TYPE_RECORD(EnumName, EnumVal, Name) \
Error visitKnownRecord(CVType &CVR, Name##Record &Record) override { \
return visitKnownRecordImpl(CVR, Record); \
}
#define MEMBER_RECORD(EnumName, EnumVal, Name) \
Error visitKnownMember(CVMemberRecord &CVMR, Name##Record &Record) \
override { \
return visitKnownMemberImpl(CVMR, Record); \
}
#define TYPE_RECORD_ALIAS(EnumName, EnumVal, Name, AliasName)
#define MEMBER_RECORD_ALIAS(EnumName, EnumVal, Name, AliasName)
#include "llvm/DebugInfo/CodeView/CodeViewTypes.def"
private:
template <typename T> Error visitKnownRecordImpl(CVType &CVR, T &Record) {
for (auto Visitor : Pipeline) {
if (auto EC = Visitor->visitKnownRecord(CVR, Record))
return EC;
}
return Error::success();
}
template <typename T>
Error visitKnownMemberImpl(CVMemberRecord &CVMR, T &Record) {
for (auto Visitor : Pipeline) {
if (auto EC = Visitor->visitKnownMember(CVMR, Record))
return EC;
}
return Error::success();
}
std::vector<TypeVisitorCallbacks *> Pipeline;
};
} // end namespace codeview
} // end namespace llvm
#endif // LLVM_DEBUGINFO_CODEVIEW_TYPEVISITORCALLBACKPIPELINE_H
|
