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