blob: 28747883c3dafa3e4e0703b27fedc05bb17a453c [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 "include/sksl/SkSLOperator.h"
#include "include/sksl/SkSLPosition.h"
#include "src/sksl/ir/SkSLExpression.h"
#include <memory>
#include <string>
#include <utility>
namespace SkSL {
class Context;
* An expression modified by a unary operator appearing after it, such as 'i++'.
class PostfixExpression final : public Expression {
inline static constexpr Kind kExpressionKind = Kind::kPostfix;
PostfixExpression(Position pos, std::unique_ptr<Expression> operand, Operator op)
: INHERITED(pos, 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,
Position pos,
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,
Position pos,
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(Position pos) const override {
return std::make_unique<PostfixExpression>(pos, this->operand()->clone(),
std::string description() const override {
return this->operand()->description() + this->getOperator().operatorName();
std::unique_ptr<Expression> fOperand;
Operator fOperator;
using INHERITED = Expression;
} // namespace SkSL