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 String description() const override {
25 return String(fValue ? "true" : "false");
26 }
27
28 bool hasProperty(Property property) const override {
29 return false;
30 }
31
32 bool isCompileTimeConstant() const override {
33 return true;
34 }
35
36 bool compareConstant(const Context& context, const Expression& other) const override {
37 BoolLiteral& b = (BoolLiteral&) other;
38 return fValue == b.fValue;
39 }
40
41 int nodeCount() const override {
42 return 1;
43 }
44
45 std::unique_ptr<Expression> clone() const override {
46 return std::unique_ptr<Expression>(new BoolLiteral(fOffset, fValue, &fType));
47 }
48
49 const bool fValue;
50
51 typedef Expression INHERITED;
52
53private:
54 BoolLiteral(int offset, bool value, const Type* type)
55 : INHERITED(offset, kBoolLiteral_Kind, *type)
56 , fValue(value) {}
57};
58
59} // namespace SkSL
60
61#endif
62