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 | 0df1b04 | 2017-03-31 13:56:23 -0400 | [diff] [blame] | 7 | |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 8 | #ifndef SKSL_POSTFIXEXPRESSION |
| 9 | #define SKSL_POSTFIXEXPRESSION |
| 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 after it, such as 'i++'. |
| 18 | */ |
| 19 | struct PostfixExpression : public Expression { |
| 20 | PostfixExpression(std::unique_ptr<Expression> operand, Token::Kind op) |
| 21 | : INHERITED(operand->fPosition, kPostfix_Kind, operand->fType) |
| 22 | , fOperand(std::move(operand)) |
| 23 | , fOperator(op) {} |
| 24 | |
Ethan Nicholas | cb67096 | 2017-04-20 19:31:52 -0400 | [diff] [blame] | 25 | bool hasSideEffects() const override { |
| 26 | return true; |
| 27 | } |
| 28 | |
| 29 | String description() const override { |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 30 | return fOperand->description() + Token::OperatorName(fOperator); |
| 31 | } |
| 32 | |
Ethan Nicholas | 86a4340 | 2017-01-19 13:32:00 -0500 | [diff] [blame] | 33 | std::unique_ptr<Expression> fOperand; |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 34 | const Token::Kind fOperator; |
| 35 | |
| 36 | typedef Expression INHERITED; |
| 37 | }; |
| 38 | |
| 39 | } // namespace |
| 40 | |
| 41 | #endif |