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_ASTFUNCTION 9 #define SKSL_ASTFUNCTION 10 11 #include "SkSLASTBlock.h" 12 #include "SkSLASTDeclaration.h" 13 #include "SkSLASTParameter.h" 14 #include "SkSLASTType.h" 15 16 namespace SkSL { 17 18 /** 19 * A function declaration or definition. The fBody field will be null for declarations. 20 */ 21 struct ASTFunction : public ASTDeclaration { ASTFunctionASTFunction22 ASTFunction(Position position, Modifiers modifiers, std::unique_ptr<ASTType> returnType, 23 String name, std::vector<std::unique_ptr<ASTParameter>> parameters, 24 std::unique_ptr<ASTBlock> body) 25 : INHERITED(position, kFunction_Kind) 26 , fModifiers(modifiers) 27 , fReturnType(std::move(returnType)) 28 , fName(std::move(name)) 29 , fParameters(std::move(parameters)) 30 , fBody(std::move(body)) {} 31 descriptionASTFunction32 String description() const override { 33 String result = fReturnType->description() + " " + fName + "("; 34 for (size_t i = 0; i < fParameters.size(); i++) { 35 if (i > 0) { 36 result += ", "; 37 } 38 result += fParameters[i]->description(); 39 } 40 if (fBody) { 41 result += ") " + fBody->description(); 42 } else { 43 result += ");"; 44 } 45 return result; 46 } 47 48 const Modifiers fModifiers; 49 const std::unique_ptr<ASTType> fReturnType; 50 const String fName; 51 const std::vector<std::unique_ptr<ASTParameter>> fParameters; 52 const std::unique_ptr<ASTBlock> fBody; 53 54 typedef ASTDeclaration INHERITED; 55 }; 56 57 } // namespace 58 59 #endif 60