1/*
2 * Copyright 2017 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_SWITCHCASE
9#define SKSL_SWITCHCASE
10
11#include "src/sksl/ir/SkSLExpression.h"
12#include "src/sksl/ir/SkSLStatement.h"
13
14namespace SkSL {
15
16/**
17 * A single case of a 'switch' statement.
18 */
19struct SwitchCase : public Statement {
20 SwitchCase(int offset, std::unique_ptr<Expression> value,
21 std::vector<std::unique_ptr<Statement>> statements)
22 : INHERITED(offset, kSwitch_Kind)
23 , fValue(std::move(value))
24 , fStatements(std::move(statements)) {}
25
26 std::unique_ptr<Statement> clone() const override {
27 std::vector<std::unique_ptr<Statement>> cloned;
28 for (const auto& s : fStatements) {
29 cloned.push_back(s->clone());
30 }
31 return std::unique_ptr<Statement>(new SwitchCase(fOffset,
32 fValue ? fValue->clone() : nullptr,
33 std::move(cloned)));
34 }
35
36#ifdef SK_DEBUG
37 String description() const override {
38 String result;
39 if (fValue) {
40 result.appendf("case %s:\n", fValue->description().c_str());
41 } else {
42 result += "default:\n";
43 }
44 for (const auto& s : fStatements) {
45 result += s->description() + "\n";
46 }
47 return result;
48 }
49#endif
50
51 // null value implies "default" case
52 std::unique_ptr<Expression> fValue;
53 std::vector<std::unique_ptr<Statement>> fStatements;
54
55 typedef Statement INHERITED;
56};
57
58} // namespace
59
60#endif
61