blob: df5e79722728aae66c698e94a9557970dfab0d6e [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_POSTFIXEXPRESSION
#define SKSL_POSTFIXEXPRESSION
#include "src/sksl/SkSLLexer.h"
#include "src/sksl/SkSLOperators.h"
#include "src/sksl/ir/SkSLExpression.h"
namespace SkSL {
/**
* An expression modified by a unary operator appearing after it, such as 'i++'.
*/
class PostfixExpression final : public Expression {
public:
static constexpr Kind kExpressionKind = Kind::kPostfix;
PostfixExpression(std::unique_ptr<Expression> operand, Operator op)
: INHERITED(operand->fOffset, kExpressionKind, &operand->type())
, fOperand(std::move(operand))
, fOperator(op) {}
static std::unique_ptr<Expression> Make(const Context& context,
std::unique_ptr<Expression> base,
Operator op);
Operator getOperator() const {
return fOperator;
}
std::unique_ptr<Expression>& operand() {
return fOperand;
}
const std::unique_ptr<Expression>& operand() const {
return fOperand;
}
bool hasProperty(Property property) const override {
return (property == Property::kSideEffects) ||
this->operand()->hasProperty(property);
}
std::unique_ptr<Expression> clone() const override {
return std::make_unique<PostfixExpression>(this->operand()->clone(), this->getOperator());
}
String description() const override {
return this->operand()->description() + this->getOperator().operatorName();
}
private:
std::unique_ptr<Expression> fOperand;
Operator fOperator;
using INHERITED = Expression;
};
} // namespace SkSL
#endif