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_WHILESTATEMENT
9#define SKSL_WHILESTATEMENT
10
11#include "src/sksl/ir/SkSLExpression.h"
12#include "src/sksl/ir/SkSLStatement.h"
13
14namespace SkSL {
15
16/**
17 * A 'while' loop.
18 */
19struct WhileStatement : public Statement {
20 WhileStatement(int offset, std::unique_ptr<Expression> test,
21 std::unique_ptr<Statement> statement)
22 : INHERITED(offset, kWhile_Kind)
23 , fTest(std::move(test))
24 , fStatement(std::move(statement)) {}
25
26 int nodeCount() const override {
27 return 1 + fTest->nodeCount() + fStatement->nodeCount();
28 }
29
30 std::unique_ptr<Statement> clone() const override {
31 return std::unique_ptr<Statement>(new WhileStatement(fOffset, fTest->clone(),
32 fStatement->clone()));
33 }
34
35 String description() const override {
36 return "while (" + fTest->description() + ") " + fStatement->description();
37 }
38
39 std::unique_ptr<Expression> fTest;
40 std::unique_ptr<Statement> fStatement;
41
42 typedef Statement INHERITED;
43};
44
45} // namespace SkSL
46
47#endif
48