Subversion Repositories QNX 8.QNX8 LLVM/Clang compiler suite

Rev

Details | Last modification | View Log | RSS feed

Rev Author Line No. Line
14 pmbaty 1
//===-- YAMLRemarkSerializer.h - YAML Remark serialization ---*- C++ -*-===//
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
// This file provides an interface for serializing remarks to YAML.
10
//
11
//===----------------------------------------------------------------------===//
12
 
13
#ifndef LLVM_REMARKS_YAMLREMARKSERIALIZER_H
14
#define LLVM_REMARKS_YAMLREMARKSERIALIZER_H
15
 
16
#include "llvm/Remarks/RemarkSerializer.h"
17
#include "llvm/Support/YAMLTraits.h"
18
#include <optional>
19
 
20
namespace llvm {
21
namespace remarks {
22
 
23
/// Serialize the remarks to YAML. One remark entry looks like this:
24
/// --- !<TYPE>
25
/// Pass:            <PASSNAME>
26
/// Name:            <REMARKNAME>
27
/// DebugLoc:        { File: <SOURCEFILENAME>, Line: <SOURCELINE>,
28
///                    Column: <SOURCECOLUMN> }
29
/// Function:        <FUNCTIONNAME>
30
/// Args:
31
///   - <KEY>: <VALUE>
32
///     DebugLoc:        { File: <FILE>, Line: <LINE>, Column: <COL> }
33
/// ...
34
struct YAMLRemarkSerializer : public RemarkSerializer {
35
  /// The YAML streamer.
36
  yaml::Output YAMLOutput;
37
 
38
  YAMLRemarkSerializer(raw_ostream &OS, SerializerMode Mode,
39
                       std::optional<StringTable> StrTab = std::nullopt);
40
 
41
  void emit(const Remark &Remark) override;
42
  std::unique_ptr<MetaSerializer> metaSerializer(
43
      raw_ostream &OS,
44
      std::optional<StringRef> ExternalFilename = std::nullopt) override;
45
 
46
  static bool classof(const RemarkSerializer *S) {
47
    return S->SerializerFormat == Format::YAML;
48
  }
49
 
50
protected:
51
  YAMLRemarkSerializer(Format SerializerFormat, raw_ostream &OS,
52
                       SerializerMode Mode,
53
                       std::optional<StringTable> StrTab = std::nullopt);
54
};
55
 
56
struct YAMLMetaSerializer : public MetaSerializer {
57
  std::optional<StringRef> ExternalFilename;
58
 
59
  YAMLMetaSerializer(raw_ostream &OS, std::optional<StringRef> ExternalFilename)
60
      : MetaSerializer(OS), ExternalFilename(ExternalFilename) {}
61
 
62
  void emit() override;
63
};
64
 
65
/// Serialize the remarks to YAML using a string table. An remark entry looks
66
/// like the regular YAML remark but instead of string entries it's using
67
/// numbers that map to an index in the string table.
68
struct YAMLStrTabRemarkSerializer : public YAMLRemarkSerializer {
69
  /// Wether we already emitted the metadata in standalone mode.
70
  /// This should be set to true after the first invocation of `emit`.
71
  bool DidEmitMeta = false;
72
 
73
  YAMLStrTabRemarkSerializer(raw_ostream &OS, SerializerMode Mode)
74
      : YAMLRemarkSerializer(Format::YAMLStrTab, OS, Mode) {
75
    // We always need a string table for this type of serializer.
76
    StrTab.emplace();
77
  }
78
  YAMLStrTabRemarkSerializer(raw_ostream &OS, SerializerMode Mode,
79
                             StringTable StrTab)
80
      : YAMLRemarkSerializer(Format::YAMLStrTab, OS, Mode, std::move(StrTab)) {}
81
 
82
  /// Override to emit the metadata if necessary.
83
  void emit(const Remark &Remark) override;
84
 
85
  std::unique_ptr<MetaSerializer> metaSerializer(
86
      raw_ostream &OS,
87
      std::optional<StringRef> ExternalFilename = std::nullopt) override;
88
 
89
  static bool classof(const RemarkSerializer *S) {
90
    return S->SerializerFormat == Format::YAMLStrTab;
91
  }
92
};
93
 
94
struct YAMLStrTabMetaSerializer : public YAMLMetaSerializer {
95
  /// The string table is part of the metadata.
96
  const StringTable &StrTab;
97
 
98
  YAMLStrTabMetaSerializer(raw_ostream &OS,
99
                           std::optional<StringRef> ExternalFilename,
100
                           const StringTable &StrTab)
101
      : YAMLMetaSerializer(OS, ExternalFilename), StrTab(StrTab) {}
102
 
103
  void emit() override;
104
};
105
 
106
} // end namespace remarks
107
} // end namespace llvm
108
 
109
#endif // LLVM_REMARKS_YAMLREMARKSERIALIZER_H