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
|
// Copyright (c) 2015-2016 The Khronos Group Inc.
//
// 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 LIBSPIRV_DIAGNOSTIC_H_
#define LIBSPIRV_DIAGNOSTIC_H_
#include <sstream>
#include <string>
#include "spirv-tools/libspirv.hpp"
namespace libspirv {
// A DiagnosticStream remembers the current position of the input and an error
// code, and captures diagnostic messages via the left-shift operator.
// If the error code is not SPV_FAILED_MATCH, then captured messages are
// emitted during the destructor.
class DiagnosticStream {
public:
DiagnosticStream(spv_position_t position,
const spvtools::MessageConsumer& consumer,
spv_result_t error)
: position_(position), consumer_(consumer), error_(error) {}
// Creates a DiagnosticStream from an expiring DiagnosticStream.
// The new object takes the contents of the other, and prevents the
// other from emitting anything during destruction.
DiagnosticStream(DiagnosticStream&& other);
// Destroys a DiagnosticStream.
// If its status code is something other than SPV_FAILED_MATCH
// then emit the accumulated message to the consumer.
~DiagnosticStream();
// Adds the given value to the diagnostic message to be written.
template <typename T>
DiagnosticStream& operator<<(const T& val) {
stream_ << val;
return *this;
}
// Conversion operator to spv_result, returning the error code.
operator spv_result_t() { return error_; }
private:
std::ostringstream stream_;
spv_position_t position_;
spvtools::MessageConsumer consumer_; // Message consumer callback.
spv_result_t error_;
};
// Changes the MessageConsumer in |context| to one that updates |diagnostic|
// with the last message received.
//
// This function expects that |diagnostic| is not nullptr and its content is a
// nullptr.
void UseDiagnosticAsMessageConsumer(spv_context context,
spv_diagnostic* diagnostic);
std::string spvResultToString(spv_result_t res);
} // namespace libspirv
#endif // LIBSPIRV_DIAGNOSTIC_H_
|
