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_RETURNSTATEMENT
9 #define SKSL_RETURNSTATEMENT
10 
11 #include "SkSLExpression.h"
12 #include "SkSLStatement.h"
13 
14 namespace SkSL {
15 
16 /**
17  * A 'return' statement.
18  */
19 struct ReturnStatement : public Statement {
ReturnStatementReturnStatement20     ReturnStatement(int offset)
21     : INHERITED(offset, kReturn_Kind) {}
22 
ReturnStatementReturnStatement23     ReturnStatement(std::unique_ptr<Expression> expression)
24     : INHERITED(expression->fOffset, kReturn_Kind)
25     , fExpression(std::move(expression)) {}
26 
cloneReturnStatement27     std::unique_ptr<Statement> clone() const override {
28         if (fExpression) {
29             return std::unique_ptr<Statement>(new ReturnStatement(fExpression->clone()));
30         }
31         return std::unique_ptr<Statement>(new ReturnStatement(fOffset));
32     }
33 
descriptionReturnStatement34     String description() const override {
35         if (fExpression) {
36             return "return " + fExpression->description() + ";";
37         } else {
38             return String("return;");
39         }
40     }
41 
42     std::unique_ptr<Expression> fExpression;
43 
44     typedef Statement INHERITED;
45 };
46 
47 } // namespace
48 
49 #endif
50