1//===- BlockPrinter.h - FDR Block Pretty Printer -------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8//
9// An implementation of the RecordVisitor which formats a block of records for
10// easier human consumption.
11//
12//===----------------------------------------------------------------------===//
13#ifndef LLVM_XRAY_BLOCKPRINTER_H
14#define LLVM_XRAY_BLOCKPRINTER_H
15
16#include "llvm/Support/raw_ostream.h"
17#include "llvm/XRay/FDRRecords.h"
18#include "llvm/XRay/RecordPrinter.h"
19
20namespace llvm {
21namespace xray {
22
23class BlockPrinter : public RecordVisitor {
24 enum class State {
25 Start,
26 Preamble,
27 Metadata,
28 Function,
29 Arg,
30 CustomEvent,
31 End,
32 };
33
34 raw_ostream &OS;
35 RecordPrinter &RP;
36 State CurrentState = State::Start;
37
38public:
39 explicit BlockPrinter(raw_ostream &O, RecordPrinter &P) : OS(O), RP(P) {}
40
41 Error visit(BufferExtents &) override;
42 Error visit(WallclockRecord &) override;
43 Error visit(NewCPUIDRecord &) override;
44 Error visit(TSCWrapRecord &) override;
45 Error visit(CustomEventRecord &) override;
46 Error visit(CallArgRecord &) override;
47 Error visit(PIDRecord &) override;
48 Error visit(NewBufferRecord &) override;
49 Error visit(EndBufferRecord &) override;
50 Error visit(FunctionRecord &) override;
51 Error visit(CustomEventRecordV5 &) override;
52 Error visit(TypedEventRecord &) override;
53
54 void reset() { CurrentState = State::Start; }
55};
56
57} // namespace xray
58} // namespace llvm
59
60#endif // LLVM_XRAY_BLOCKPRINTER_H
61

source code of llvm/include/llvm/XRay/BlockPrinter.h