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_NOP
9 #define SKSL_NOP
10 
11 #include "SkSLStatement.h"
12 #include "SkSLSymbolTable.h"
13 
14 namespace SkSL {
15 
16 /**
17  * A no-op statement that does nothing.
18  */
19 struct Nop : public Statement {
NopNop20     Nop()
21     : INHERITED(-1, kNop_Kind) {}
22 
isEmptyNop23     virtual bool isEmpty() const override {
24         return true;
25     }
26 
descriptionNop27     String description() const override {
28         return String(";");
29     }
30 
cloneNop31     std::unique_ptr<Statement> clone() const override {
32         return std::unique_ptr<Statement>(new Nop());
33     }
34 
35     typedef Statement INHERITED;
36 };
37 
38 } // namespace
39 
40 #endif
41