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
|
// Copyright (c) 2020 Google LLC
//
// 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.
#include "source/fuzz/transformation_context.h"
#include <cassert>
#include "source/util/make_unique.h"
namespace spvtools {
namespace fuzz {
namespace {
// An overflow id source that should never be used: its methods assert false.
// This is the right id source for use during fuzzing, when overflow ids should
// never be required.
class NullOverflowIdSource : public OverflowIdSource {
bool HasOverflowIds() const override {
assert(false && "Bad attempt to query whether overflow ids are available.");
return false;
}
uint32_t GetNextOverflowId() override {
assert(false && "Bad attempt to request an overflow id.");
return 0;
}
const std::unordered_set<uint32_t>& GetIssuedOverflowIds() const override {
assert(false && "Operation not supported.");
return placeholder_;
}
private:
std::unordered_set<uint32_t> placeholder_;
};
} // namespace
TransformationContext::TransformationContext(
std::unique_ptr<FactManager> fact_manager,
spv_validator_options validator_options)
: fact_manager_(std::move(fact_manager)),
validator_options_(validator_options),
overflow_id_source_(MakeUnique<NullOverflowIdSource>()) {}
TransformationContext::TransformationContext(
std::unique_ptr<FactManager> fact_manager,
spv_validator_options validator_options,
std::unique_ptr<OverflowIdSource> overflow_id_source)
: fact_manager_(std::move(fact_manager)),
validator_options_(validator_options),
overflow_id_source_(std::move(overflow_id_source)) {}
TransformationContext::~TransformationContext() = default;
} // namespace fuzz
} // namespace spvtools
|
