blob: 0d04b77e227d4a51b467bdb9200e523e9024ff5a [file] [log] [blame]
/*
* Copyright 2016 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SKSL_NULLLITERAL
#define SKSL_NULLLITERAL
#include "src/sksl/SkSLContext.h"
#include "src/sksl/ir/SkSLExpression.h"
namespace SkSL {
/**
* Represents 'null'.
*/
struct NullLiteral : public Expression {
NullLiteral(const Context& context, int offset)
: INHERITED(offset, kNullLiteral_Kind, *context.fNull_Type) {}
NullLiteral(int offset, const Type& type)
: INHERITED(offset, kNullLiteral_Kind, type) {}
String description() const override {
return "null";
}
bool hasProperty(Property property) const override {
return false;
}
bool isConstant() const override {
return true;
}
bool compareConstant(const Context& context, const Expression& other) const override {
return true;
}
int nodeCount() const override {
return 1;
}
std::unique_ptr<Expression> clone() const override {
return std::unique_ptr<Expression>(new NullLiteral(fOffset, fType));
}
typedef Expression INHERITED;
};
} // namespace
#endif