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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_STATEMENT
9 #define SKSL_STATEMENT
10 
11 #include "SkSLIRNode.h"
12 #include "SkSLType.h"
13 
14 namespace SkSL {
15 
16 /**
17  * Abstract supertype of all statements.
18  */
19 struct Statement : public IRNode {
20     enum Kind {
21         kBlock_Kind,
22         kBreak_Kind,
23         kContinue_Kind,
24         kDiscard_Kind,
25         kDo_Kind,
26         kExpression_Kind,
27         kFor_Kind,
28         kGroup_Kind,
29         kIf_Kind,
30         kNop_Kind,
31         kReturn_Kind,
32         kSwitch_Kind,
33         kVarDeclaration_Kind,
34         kVarDeclarations_Kind,
35         kWhile_Kind
36     };
37 
StatementStatement38     Statement(Position position, Kind kind)
39     : INHERITED(position)
40     , fKind(kind) {}
41 
isEmptyStatement42     virtual bool isEmpty() const {
43         return false;
44     }
45 
46     const Kind fKind;
47 
48     typedef IRNode INHERITED;
49 };
50 
51 } // namespace
52 
53 #endif
54