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_TERNARYEXPRESSION
9 #define SKSL_TERNARYEXPRESSION
10 
11 #include "SkSLExpression.h"
12 #include "../SkSLPosition.h"
13 
14 namespace SkSL {
15 
16 /**
17  * A ternary expression (test ? ifTrue : ifFalse).
18  */
19 struct TernaryExpression : public Expression {
TernaryExpressionTernaryExpression20     TernaryExpression(Position position, std::unique_ptr<Expression> test,
21                       std::unique_ptr<Expression> ifTrue, std::unique_ptr<Expression> ifFalse)
22     : INHERITED(position, kTernary_Kind, ifTrue->fType)
23     , fTest(std::move(test))
24     , fIfTrue(std::move(ifTrue))
25     , fIfFalse(std::move(ifFalse)) {
26         ASSERT(fIfTrue->fType == fIfFalse->fType);
27     }
28 
descriptionTernaryExpression29     SkString description() const override {
30         return "(" + fTest->description() + " ? " + fIfTrue->description() + " : " +
31                fIfFalse->description() + ")";
32     }
33 
34     std::unique_ptr<Expression> fTest;
35     std::unique_ptr<Expression> fIfTrue;
36     std::unique_ptr<Expression> fIfFalse;
37 
38     typedef Expression INHERITED;
39 };
40 
41 } // namespace
42 
43 #endif
44