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_ASTFORSTATEMENT
9#define SKSL_ASTFORSTATEMENT
10
11#include "SkSLASTStatement.h"
12
13namespace SkSL {
14
15/**
16 * A 'for' loop.
17 */
18struct ASTForStatement : public ASTStatement {
19    ASTForStatement(Position position, std::unique_ptr<ASTStatement> initializer,
20                   std::unique_ptr<ASTExpression> test, std::unique_ptr<ASTExpression> next,
21                   std::unique_ptr<ASTStatement> statement)
22    : INHERITED(position, kFor_Kind)
23    , fInitializer(std::move(initializer))
24    , fTest(std::move(test))
25    , fNext(std::move(next))
26    , fStatement(std::move(statement)) {}
27
28    SkString description() const override {
29        SkString result("for (");
30        if (fInitializer) {
31            result.append(fInitializer->description());
32        }
33        result += " ";
34        if (fTest) {
35            result.append(fTest->description());
36        }
37        result += "; ";
38        if (fNext) {
39            result.append(fNext->description());
40        }
41        result += ") ";
42        result += fStatement->description();
43        return result;
44    }
45
46    const std::unique_ptr<ASTStatement> fInitializer;
47    const std::unique_ptr<ASTExpression> fTest;
48    const std::unique_ptr<ASTExpression> fNext;
49    const std::unique_ptr<ASTStatement> fStatement;
50
51    typedef ASTStatement INHERITED;
52};
53
54} // namespace
55
56#endif
57