blob: 703f68fd763d49f149e30992d2758e6c2529971c [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.
#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 {
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) {}
// Creates an SkSL postfix expression; uses the ErrorReporter to report errors.
static std::unique_ptr<Expression> Convert(const Context& context,
std::unique_ptr<Expression> base,
Operator op);
// Creates an SkSL postfix expression; reports errors via ASSERT.
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) ||
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();
std::unique_ptr<Expression> fOperand;
Operator fOperator;
using INHERITED = Expression;
} // namespace SkSL