ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 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 | */ |
Ethan Nicholas | bcf35f8 | 2017-03-30 18:42:48 +0000 | [diff] [blame] | 7 | |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 8 | #ifndef SKSL_PREFIXEXPRESSION |
| 9 | #define SKSL_PREFIXEXPRESSION |
| 10 | |
| 11 | #include "SkSLExpression.h" |
Hal Canary | 6b20a55 | 2017-02-07 14:09:38 -0500 | [diff] [blame] | 12 | #include "SkSLToken.h" |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 13 | |
| 14 | namespace SkSL { |
| 15 | |
| 16 | /** |
| 17 | * An expression modified by a unary operator appearing before it, such as '!flag'. |
| 18 | */ |
| 19 | struct PrefixExpression : public Expression { |
| 20 | PrefixExpression(Token::Kind op, std::unique_ptr<Expression> operand) |
| 21 | : INHERITED(operand->fPosition, kPrefix_Kind, operand->fType) |
| 22 | , fOperand(std::move(operand)) |
| 23 | , fOperator(op) {} |
| 24 | |
Ethan Nicholas | bcf35f8 | 2017-03-30 18:42:48 +0000 | [diff] [blame] | 25 | virtual SkString description() const override { |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 26 | return Token::OperatorName(fOperator) + fOperand->description(); |
| 27 | } |
| 28 | |
Ethan Nicholas | 86a4340 | 2017-01-19 13:32:00 -0500 | [diff] [blame] | 29 | std::unique_ptr<Expression> fOperand; |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 30 | const Token::Kind fOperator; |
| 31 | |
| 32 | typedef Expression INHERITED; |
| 33 | }; |
| 34 | |
| 35 | } // namespace |
| 36 | |
| 37 | #endif |