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 "SkSLExpression.h"
12 #include "SkSLLexer.h"
13 
14 namespace SkSL {
15 
16 /**
17  * An expression modified by a unary operator appearing after it, such as 'i++'.
18  */
19 struct PostfixExpression : public Expression {
PostfixExpressionPostfixExpression20     PostfixExpression(std::unique_ptr<Expression> operand, Token::Kind op)
21     : INHERITED(operand->fOffset, kPostfix_Kind, operand->fType)
22     , fOperand(std::move(operand))
23     , fOperator(op) {}
24 
hasSideEffectsPostfixExpression25     bool hasSideEffects() const override {
26         return true;
27     }
28 
clonePostfixExpression29     std::unique_ptr<Expression> clone() const override {
30         return std::unique_ptr<Expression>(new PostfixExpression(fOperand->clone(), fOperator));
31     }
32 
descriptionPostfixExpression33     String description() const override {
34         return fOperand->description() + Compiler::OperatorName(fOperator);
35     }
36 
37     std::unique_ptr<Expression> fOperand;
38     const Token::Kind fOperator;
39 
40     typedef Expression INHERITED;
41 };
42 
43 } // namespace
44 
45 #endif
46