1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
|
/*
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef AAPT_DIAGNOSTICS_H
#define AAPT_DIAGNOSTICS_H
#include "Source.h"
#include "util/StringPiece.h"
#include "util/Util.h"
#include <android-base/macros.h>
#include <iostream>
#include <sstream>
#include <string>
namespace aapt {
struct DiagMessageActual {
Source source;
std::string message;
};
struct DiagMessage {
private:
Source mSource;
std::stringstream mMessage;
public:
DiagMessage() = default;
DiagMessage(const StringPiece& src) : mSource(src) {
}
DiagMessage(const Source& src) : mSource(src) {
}
DiagMessage(size_t line) : mSource(Source().withLine(line)) {
}
template <typename T>
DiagMessage& operator<<(const T& value) {
mMessage << value;
return *this;
}
DiagMessageActual build() const {
return DiagMessageActual{ mSource, mMessage.str() };
}
};
struct IDiagnostics {
virtual ~IDiagnostics() = default;
enum class Level {
Note,
Warn,
Error
};
virtual void log(Level level, DiagMessageActual& actualMsg) = 0;
virtual void error(const DiagMessage& message) {
DiagMessageActual actual = message.build();
log(Level::Error, actual);
}
virtual void warn(const DiagMessage& message) {
DiagMessageActual actual = message.build();
log(Level::Warn, actual);
}
virtual void note(const DiagMessage& message) {
DiagMessageActual actual = message.build();
log(Level::Note, actual);
}
};
class StdErrDiagnostics : public IDiagnostics {
public:
StdErrDiagnostics() = default;
void log(Level level, DiagMessageActual& actualMsg) override {
const char* tag;
switch (level) {
case Level::Error:
mNumErrors++;
if (mNumErrors > 20) {
return;
}
tag = "error";
break;
case Level::Warn:
tag = "warn";
break;
case Level::Note:
tag = "note";
break;
}
if (!actualMsg.source.path.empty()) {
std::cerr << actualMsg.source << ": ";
}
std::cerr << tag << ": " << actualMsg.message << "." << std::endl;
}
private:
size_t mNumErrors = 0;
DISALLOW_COPY_AND_ASSIGN(StdErrDiagnostics);
};
class SourcePathDiagnostics : public IDiagnostics {
public:
SourcePathDiagnostics(const Source& src, IDiagnostics* diag) : mSource(src), mDiag(diag) {
}
void log(Level level, DiagMessageActual& actualMsg) override {
actualMsg.source.path = mSource.path;
mDiag->log(level, actualMsg);
}
private:
Source mSource;
IDiagnostics* mDiag;
DISALLOW_COPY_AND_ASSIGN(SourcePathDiagnostics);
};
} // namespace aapt
#endif /* AAPT_DIAGNOSTICS_H */
|
