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_BOOLLITERAL
9#define SKSL_BOOLLITERAL
10
11#include "src/sksl/SkSLContext.h"
12#include "src/sksl/ir/SkSLExpression.h"
13
14namespace SkSL {
15
16/**
17 * Represents 'true' or 'false'.
18 */
19struct BoolLiteral : public Expression {
20 BoolLiteral(const Context& context, int offset, bool value)
21 : INHERITED(offset, kBoolLiteral_Kind, *context.fBool_Type)
22 , fValue(value) {}
23
24#ifdef SK_DEBUG
25 String description() const override {
26 return String(fValue ? "true" : "false");
27 }
28#endif
29
30 bool hasProperty(Property property) const override {
31 return false;
32 }
33
34 bool isConstant() const override {
35 return true;
36 }
37
38 bool compareConstant(const Context& context, const Expression& other) const override {
39 BoolLiteral& b = (BoolLiteral&) other;
40 return fValue == b.fValue;
41 }
42
43 std::unique_ptr<Expression> clone() const override {
44 return std::unique_ptr<Expression>(new BoolLiteral(fOffset, fValue, &fType));
45 }
46
47 const bool fValue;
48
49 typedef Expression INHERITED;
50
51private:
52 BoolLiteral(int offset, bool value, const Type* type)
53 : INHERITED(offset, kBoolLiteral_Kind, *type)
54 , fValue(value) {}
55};
56
57} // namespace
58
59#endif
60