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 "src/sksl/SkSLPosition.h" 12 #include "src/sksl/ir/SkSLExpression.h" 13 14 namespace SkSL { 15 16 /** 17 * A ternary expression (test ? ifTrue : ifFalse). 18 */ 19 struct TernaryExpression : public Expression { TernaryExpressionTernaryExpression20 TernaryExpression(int offset, std::unique_ptr<Expression> test, 21 std::unique_ptr<Expression> ifTrue, std::unique_ptr<Expression> ifFalse) 22 : INHERITED(offset, kTernary_Kind, ifTrue->fType) 23 , fTest(std::move(test)) 24 , fIfTrue(std::move(ifTrue)) 25 , fIfFalse(std::move(ifFalse)) { 26 SkASSERT(fIfTrue->fType == fIfFalse->fType); 27 } 28 hasPropertyTernaryExpression29 bool hasProperty(Property property) const override { 30 return fTest->hasProperty(property) || fIfTrue->hasProperty(property) || 31 fIfFalse->hasProperty(property); 32 } 33 cloneTernaryExpression34 std::unique_ptr<Expression> clone() const override { 35 return std::unique_ptr<Expression>(new TernaryExpression(fOffset, fTest->clone(), 36 fIfTrue->clone(), 37 fIfFalse->clone())); 38 } 39 40 #ifdef SK_DEBUG descriptionTernaryExpression41 String description() const override { 42 return "(" + fTest->description() + " ? " + fIfTrue->description() + " : " + 43 fIfFalse->description() + ")"; 44 } 45 #endif 46 47 std::unique_ptr<Expression> fTest; 48 std::unique_ptr<Expression> fIfTrue; 49 std::unique_ptr<Expression> fIfFalse; 50 51 typedef Expression INHERITED; 52 }; 53 54 } // namespace 55 56 #endif 57