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_TERNARYEXPRESSION |
| 9 | #define SKSL_TERNARYEXPRESSION |
| 10 | |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 11 | #include "src/sksl/SkSLPosition.h" |
| 12 | #include "src/sksl/ir/SkSLExpression.h" |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 13 | |
| 14 | namespace SkSL { |
| 15 | |
| 16 | /** |
| 17 | * A ternary expression (test ? ifTrue : ifFalse). |
| 18 | */ |
| 19 | struct TernaryExpression : public Expression { |
Ethan Nicholas | 5b5f096 | 2017-09-11 13:50:14 -0700 | [diff] [blame] | 20 | TernaryExpression(int offset, std::unique_ptr<Expression> test, |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 21 | std::unique_ptr<Expression> ifTrue, std::unique_ptr<Expression> ifFalse) |
Ethan Nicholas | 5b5f096 | 2017-09-11 13:50:14 -0700 | [diff] [blame] | 22 | : INHERITED(offset, kTernary_Kind, ifTrue->fType) |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 23 | , fTest(std::move(test)) |
| 24 | , fIfTrue(std::move(ifTrue)) |
| 25 | , fIfFalse(std::move(ifFalse)) { |
Ethan Nicholas | d9d33c3 | 2018-06-12 11:05:59 -0400 | [diff] [blame] | 26 | SkASSERT(fIfTrue->fType == fIfFalse->fType); |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 27 | } |
| 28 | |
Ethan Nicholas | cb67096 | 2017-04-20 19:31:52 -0400 | [diff] [blame] | 29 | bool hasSideEffects() const override { |
| 30 | return fTest->hasSideEffects() || fIfTrue->hasSideEffects() || fIfFalse->hasSideEffects(); |
| 31 | } |
| 32 | |
Ethan Nicholas | 0054311 | 2018-07-31 09:44:36 -0400 | [diff] [blame] | 33 | std::unique_ptr<Expression> clone() const override { |
| 34 | return std::unique_ptr<Expression>(new TernaryExpression(fOffset, fTest->clone(), |
| 35 | fIfTrue->clone(), |
| 36 | fIfFalse->clone())); |
| 37 | } |
| 38 | |
Ethan Nicholas | 0df1b04 | 2017-03-31 13:56:23 -0400 | [diff] [blame] | 39 | String description() const override { |
| 40 | return "(" + fTest->description() + " ? " + fIfTrue->description() + " : " + |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 41 | fIfFalse->description() + ")"; |
| 42 | } |
| 43 | |
Ethan Nicholas | 86a4340 | 2017-01-19 13:32:00 -0500 | [diff] [blame] | 44 | std::unique_ptr<Expression> fTest; |
| 45 | std::unique_ptr<Expression> fIfTrue; |
| 46 | std::unique_ptr<Expression> fIfFalse; |
ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame] | 47 | |
| 48 | typedef Expression INHERITED; |
| 49 | }; |
| 50 | |
| 51 | } // namespace |
| 52 | |
| 53 | #endif |