blob: 5b006e7e2837a73c311ca2be22a361a6f61dfd59 (
plain) (
blame)
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 2021 Google LLC.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SKSL_DSL_CASE
#define SKSL_DSL_CASE
#include "include/private/SkSLDefines.h"
#include "include/sksl/DSLExpression.h"
#include "include/sksl/DSLStatement.h"
#include <memory>
namespace SkSL {
class Statement;
namespace dsl {
class DSLCase {
public:
// An empty expression means 'default:'.
template<class... Statements>
DSLCase(DSLExpression value, Statements... statements)
: fValue(std::move(value)) {
fStatements.reserve_back(sizeof...(statements));
// in C++17, we could just do:
// (fStatements.push_back(DSLStatement(std::move(statements)).release()), ...);
int unused[] =
{0,
(static_cast<void>(fStatements.push_back(DSLStatement(std::move(statements)).release())),
0)...};
static_cast<void>(unused);
}
DSLCase(DSLExpression value, SkTArray<DSLStatement> statements,
PositionInfo info = PositionInfo::Capture());
DSLCase(DSLExpression value, SkSL::StatementArray statements,
PositionInfo info = PositionInfo::Capture());
DSLCase(DSLCase&&);
~DSLCase();
DSLCase& operator=(DSLCase&&);
void append(DSLStatement stmt);
private:
DSLExpression fValue;
SkSL::StatementArray fStatements;
PositionInfo fPosition;
friend class DSLCore;
template<class... Cases>
friend DSLPossibleStatement Switch(DSLExpression value, Cases... cases);
};
} // namespace dsl
} // namespace SkSL
#endif
|