| /* |
| * Copyright 2016 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #ifndef SKSL_PREFIXEXPRESSION |
| #define SKSL_PREFIXEXPRESSION |
| |
| #include "SkSLExpression.h" |
| |
| namespace SkSL { |
| |
| /** |
| * An expression modified by a unary operator appearing before it, such as '!flag'. |
| */ |
| struct PrefixExpression : public Expression { |
| PrefixExpression(Token::Kind op, std::unique_ptr<Expression> operand) |
| : INHERITED(operand->fPosition, kPrefix_Kind, operand->fType) |
| , fOperand(std::move(operand)) |
| , fOperator(op) {} |
| |
| virtual SkString description() const override { |
| return Token::OperatorName(fOperator) + fOperand->description(); |
| } |
| |
| std::unique_ptr<Expression> fOperand; |
| const Token::Kind fOperator; |
| |
| typedef Expression INHERITED; |
| }; |
| |
| } // namespace |
| |
| #endif |