Subversion Repositories QNX 8.QNX8 LLVM/Clang compiler suite

//===- BlockPrinter.h - FDR Block Pretty Printer -------------------------===//

//

// 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

//

//===----------------------------------------------------------------------===//

//

// An implementation of the RecordVisitor which formats a block of records for

// easier human consumption.

//

//===----------------------------------------------------------------------===//

#ifndef LLVM_XRAY_BLOCKPRINTER_H

#define LLVM_XRAY_BLOCKPRINTER_H

#include "llvm/Support/raw_ostream.h"

#include "llvm/XRay/FDRRecords.h"

#include "llvm/XRay/RecordPrinter.h"

namespace llvm {

namespace xray {

class BlockPrinter : public RecordVisitor {

  enum class State {

    Start,

    Preamble,

    Metadata,

    Function,

    Arg,

    CustomEvent,

    End,

  };

  raw_ostream &OS;

  RecordPrinter &RP;

  State CurrentState = State::Start;

public:

  explicit BlockPrinter(raw_ostream &O, RecordPrinter &P) : OS(O), RP(P) {}

  Error visit(BufferExtents &) override;

  Error visit(WallclockRecord &) override;

  Error visit(NewCPUIDRecord &) override;

  Error visit(TSCWrapRecord &) override;

  Error visit(CustomEventRecord &) override;

  Error visit(CallArgRecord &) override;

  Error visit(PIDRecord &) override;

  Error visit(NewBufferRecord &) override;

  Error visit(EndBufferRecord &) override;

  Error visit(FunctionRecord &) override;

  Error visit(CustomEventRecordV5 &) override;

  Error visit(TypedEventRecord &) override;

  void reset() { CurrentState = State::Start; }

};

} // namespace xray

} // namespace llvm

#endif // LLVM_XRAY_BLOCKPRINTER_H