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_FUNCTIONCALL 9 #define SKSL_FUNCTIONCALL 10 11 #include "SkSLExpression.h" 12 #include "SkSLFunctionDeclaration.h" 13 14 namespace SkSL { 15 16 /** 17 * A function invocation. 18 */ 19 struct FunctionCall : public Expression { FunctionCallFunctionCall20 FunctionCall(int offset, const Type& type, const FunctionDeclaration& function, 21 std::vector<std::unique_ptr<Expression>> arguments) 22 : INHERITED(offset, kFunctionCall_Kind, type) 23 , fFunction(std::move(function)) 24 , fArguments(std::move(arguments)) {} 25 hasSideEffectsFunctionCall26 bool hasSideEffects() const override { 27 for (const auto& arg : fArguments) { 28 if (arg->hasSideEffects()) { 29 return true; 30 } 31 } 32 return fFunction.fModifiers.fFlags & Modifiers::kHasSideEffects_Flag; 33 } 34 cloneFunctionCall35 std::unique_ptr<Expression> clone() const override { 36 std::vector<std::unique_ptr<Expression>> cloned; 37 for (const auto& arg : fArguments) { 38 cloned.push_back(arg->clone()); 39 } 40 return std::unique_ptr<Expression>(new FunctionCall(fOffset, fType, fFunction, 41 std::move(cloned))); 42 } 43 descriptionFunctionCall44 String description() const override { 45 String result = String(fFunction.fName) + "("; 46 String separator; 47 for (size_t i = 0; i < fArguments.size(); i++) { 48 result += separator; 49 result += fArguments[i]->description(); 50 separator = ", "; 51 } 52 result += ")"; 53 return result; 54 } 55 56 const FunctionDeclaration& fFunction; 57 std::vector<std::unique_ptr<Expression>> fArguments; 58 59 typedef Expression INHERITED; 60 }; 61 62 } // namespace 63 64 #endif 65