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_INTLITERAL 9 #define SKSL_INTLITERAL 10 11 #include "SkSLContext.h" 12 #include "SkSLExpression.h" 13 14 namespace SkSL { 15 16 /** 17 * A literal integer. 18 */ 19 struct IntLiteral : public Expression { 20 // FIXME: we will need to revisit this if/when we add full support for both signed and unsigned 21 // 64-bit integers, but for right now an int64_t will hold every value we care about 22 IntLiteral(const Context& context, Position position, int64_t value, const Type* type = nullptr) 23 : INHERITED(position, kIntLiteral_Kind, type ? *type : *context.fInt_Type) 24 , fValue(value) {} 25 26 String description() const override { 27 return to_string(fValue); 28 } 29 30 bool hasSideEffects() const override { 31 return false; 32 } 33 34 bool isConstant() const override { 35 return true; 36 } 37 38 bool compareConstant(const Context& context, const Expression& other) const override { 39 IntLiteral& i = (IntLiteral&) other; 40 return fValue == i.fValue; 41 } 42 43 const int64_t fValue; 44 45 typedef Expression INHERITED; 46 }; 47 48 } // namespace 49 50 #endif 51
