1 /* 2 * Copyright 2019 Google LLC 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_EXTERNALFUNCTIONCALL 9 #define SKSL_EXTERNALFUNCTIONCALL 10 11 #include "src/sksl/SkSLExternalValue.h" 12 #include "src/sksl/ir/SkSLExpression.h" 13 #include "src/sksl/ir/SkSLFunctionDeclaration.h" 14 15 namespace SkSL { 16 17 /** 18 * An external function invocation. 19 */ 20 struct ExternalFunctionCall : public Expression { ExternalFunctionCallExternalFunctionCall21 ExternalFunctionCall(int offset, const Type& type, ExternalValue* function, 22 std::vector<std::unique_ptr<Expression>> arguments) 23 : INHERITED(offset, kExternalFunctionCall_Kind, type) 24 , fFunction(function) 25 , fArguments(std::move(arguments)) {} 26 hasSideEffectsExternalFunctionCall27 bool hasSideEffects() const override { 28 return true; 29 } 30 cloneExternalFunctionCall31 std::unique_ptr<Expression> clone() const override { 32 std::vector<std::unique_ptr<Expression>> cloned; 33 for (const auto& arg : fArguments) { 34 cloned.push_back(arg->clone()); 35 } 36 return std::unique_ptr<Expression>(new ExternalFunctionCall(fOffset, 37 fType, 38 fFunction, 39 std::move(cloned))); 40 } 41 descriptionExternalFunctionCall42 String description() const override { 43 String result = String(fFunction->fName) + "("; 44 String separator; 45 for (size_t i = 0; i < fArguments.size(); i++) { 46 result += separator; 47 result += fArguments[i]->description(); 48 separator = ", "; 49 } 50 result += ")"; 51 return result; 52 } 53 54 ExternalValue* fFunction; 55 std::vector<std::unique_ptr<Expression>> fArguments; 56 57 typedef Expression INHERITED; 58 }; 59 60 } // namespace 61 62 #endif 63