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Side by Side Diff: src/sksl/ast/SkSLASTSuffix.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_ASTSUFFIX
9 #define SKSL_ASTSUFFIX
10
11 #include "SkSLASTPositionNode.h"
12 #include "SkSLASTExpression.h"
13
14 namespace SkSL {
15
16 /**
17 * This and its subclasses represents expression suffixes, such as '[0]' or '.rg b'. Suffixes are not
18 * expressions in and of themselves; they are attached to expressions to modify them.
19 */
20 struct ASTSuffix : public ASTPositionNode {
21 enum Kind {
22 kIndex_Kind,
23 kCall_Kind,
24 kField_Kind,
25 kPostIncrement_Kind,
26 kPostDecrement_Kind
27 };
28
29 ASTSuffix(Position position, Kind kind)
30 : INHERITED(position)
31 , fKind(kind) {}
32
33 std::string description() const override {
34 switch (fKind) {
35 case kPostIncrement_Kind:
36 return "++";
37 case kPostDecrement_Kind:
38 return "--";
39 default:
40 ABORT("unsupported suffix operator");
41 }
42 }
43
44 Kind fKind;
45
46 typedef ASTPositionNode INHERITED;
47 };
48
49 } // namespace
50
51 #endif
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