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Side by Side Diff: src/sksl/ir/SkSLExpression.h

Issue 1984363002: initial checkin of SkSL compiler (Closed) Base URL: https://skia.googlesource.com/skia@master
Patch Set: fixed CMake build Created 4 years, 5 months ago
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1 /*
2 * Copyright 2016 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8 #ifndef SKSL_EXPRESSION
9 #define SKSL_EXPRESSION
10
11 #include "SkSLIRNode.h"
12 #include "SkSLType.h"
13
14 namespace SkSL {
15
16 /**
17 * Abstract supertype of all expressions.
18 */
19 struct Expression : public IRNode {
20 enum Kind {
21 kBinary_Kind,
22 kBoolLiteral_Kind,
23 kConstructor_Kind,
24 kIntLiteral_Kind,
25 kFieldAccess_Kind,
26 kFloatLiteral_Kind,
27 kFunctionReference_Kind,
28 kFunctionCall_Kind,
29 kIndex_Kind,
30 kPrefix_Kind,
31 kPostfix_Kind,
32 kSwizzle_Kind,
33 kVariableReference_Kind,
34 kTernary_Kind,
35 kTypeReference_Kind,
36 };
37
38 Expression(Position position, Kind kind, std::shared_ptr<Type> type)
39 : INHERITED(position)
40 , fKind(kind)
41 , fType(std::move(type)) {}
42
43 virtual bool isConstant() const {
44 return false;
45 }
46
47 const Kind fKind;
48 const std::shared_ptr<Type> fType;
49
50 typedef IRNode INHERITED;
51 };
52
53 } // namespace
54
55 #endif
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