Line data    Source code

       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_PREFIXEXPRESSION
       9             : #define SKSL_PREFIXEXPRESSION
      10             : 
      11             : #include "SkSLExpression.h"
      12             : #include "SkSLToken.h"
      13             : 
      14             : namespace SkSL {
      15             : 
      16             : /**
      17             :  * An expression modified by a unary operator appearing before it, such as '!flag'.
      18             :  */
      19           0 : struct PrefixExpression : public Expression {
      20           0 :     PrefixExpression(Token::Kind op, std::unique_ptr<Expression> operand)
      21           0 :     : INHERITED(operand->fPosition, kPrefix_Kind, operand->fType)
      22           0 :     , fOperand(std::move(operand))
      23           0 :     , fOperator(op) {}
      24             : 
      25           0 :     virtual String description() const override {
      26           0 :         return Token::OperatorName(fOperator) + fOperand->description();
      27             :     }
      28             : 
      29             :     std::unique_ptr<Expression> fOperand;
      30             :     const Token::Kind fOperator;
      31             : 
      32             :     typedef Expression INHERITED;
      33             : };
      34             : 
      35             : } // namespace
      36             : 
      37             : #endif