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 "src/sksl/ir/SkSLExpression.h"
12#include "src/sksl/ir/SkSLStatement.h"
13
14namespace SkSL {
15
16/**
17 * A 'return' statement.
18 */
19struct ReturnStatement : public Statement {
20 ReturnStatement(int offset)
21 : INHERITED(offset, kReturn_Kind) {}
22
23 ReturnStatement(std::unique_ptr<Expression> expression)
24 : INHERITED(expression->fOffset, kReturn_Kind)
25 , fExpression(std::move(expression)) {}
26
27 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
34#ifdef SK_DEBUG
35 String description() const override {
36 if (fExpression) {
37 return "return " + fExpression->description() + ";";
38 } else {
39 return String("return;");
40 }
41 }
42#endif
43
44 std::unique_ptr<Expression> fExpression;
45
46 typedef Statement INHERITED;
47};
48
49} // namespace
50
51#endif
52