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_POSTFIXEXPRESSION
9#define SKSL_POSTFIXEXPRESSION
10
11#include "src/sksl/SkSLCompiler.h"
12#include "src/sksl/SkSLLexer.h"
13#include "src/sksl/ir/SkSLExpression.h"
14
15namespace SkSL {
16
17/**
18 * An expression modified by a unary operator appearing after it, such as 'i++'.
19 */
20struct PostfixExpression : public Expression {
21 PostfixExpression(std::unique_ptr<Expression> operand, Token::Kind op)
22 : INHERITED(operand->fOffset, kPostfix_Kind, operand->fType)
23 , fOperand(std::move(operand))
24 , fOperator(op) {}
25
26 bool hasProperty(Property property) const override {
27 if (property == Property::kSideEffects) {
28 return true;
29 }
30 return fOperand->hasProperty(property);
31 }
32
33 std::unique_ptr<Expression> clone() const override {
34 return std::unique_ptr<Expression>(new PostfixExpression(fOperand->clone(), fOperator));
35 }
36
37#ifdef SK_DEBUG
38 String description() const override {
39 return fOperand->description() + Compiler::OperatorName(fOperator);
40 }
41#endif
42
43 std::unique_ptr<Expression> fOperand;
44 const Token::Kind fOperator;
45
46 typedef Expression INHERITED;
47};
48
49} // namespace
50
51#endif
52