1 /* 2 * Copyright (c) 2001-2004 Swedish Institute of Computer Science. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without modification, 6 * are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, 9 * this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright notice, 11 * this list of conditions and the following disclaimer in the documentation 12 * and/or other materials provided with the distribution. 13 * 3. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 19 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 20 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 21 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 24 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 25 * OF SUCH DAMAGE. 26 * 27 * This file is part of the lwIP TCP/IP stack. 28 * 29 * Author: Martin Hentschel <info@cl-soft.de> 30 * 31 */ 32 33 using System; 34 using System.Collections.Generic; 35 36 namespace CCodeGeneration 37 { 38 public class Function: CodeContainerBase 39 { 40 public string Name { get; set; } 41 public bool IsStatic { get; set; } 42 43 private readonly List<VariableType> parameter = new List<VariableType>(); 44 private VariableType returnType = VariableType.Void; 45 Function()46 public Function() 47 { 48 } 49 Function(string name, bool isStatic = false)50 public Function(string name, bool isStatic = false) 51 { 52 this.Name = name; 53 this.IsStatic = isStatic; 54 } 55 56 public List<VariableType> Parameter 57 { 58 get { return this.parameter; } 59 } 60 61 public VariableType ReturnType 62 { 63 get { return this.returnType; } 64 set 65 { 66 if (value == null) 67 { 68 throw new ArgumentNullException("ReturnValue"); 69 } 70 this.returnType = value; 71 } 72 } 73 FromDeclaration(FunctionDeclaration decl)74 public static Function FromDeclaration(FunctionDeclaration decl) 75 { 76 Function result = new Function(decl.Name, decl.IsStatic); 77 result.ReturnType = decl.ReturnType.Clone() as VariableType; 78 79 foreach (VariableType param in decl.Parameter) 80 { 81 result.parameter.Add(param.Clone() as VariableType); 82 } 83 84 return result; 85 } 86 GenerateCode(int level, CGenerator generator)87 public override void GenerateCode(int level, CGenerator generator) 88 { 89 generator.IndentLine(level); 90 91 if (this.IsStatic) 92 { 93 generator.OutputStream.Write("static "); 94 } 95 96 this.returnType.GenerateCode(generator); 97 generator.OutputStream.Write(" " + this.Name + "("); 98 99 if (this.Parameter.Count > 0) 100 { 101 for (int i = 0; i < this.parameter.Count; i++) 102 { 103 this.parameter[i].GenerateCode(generator); 104 105 if (i < (this.parameter.Count - 1)) 106 { 107 generator.OutputStream.Write(", "); 108 } 109 } 110 } 111 else 112 { 113 generator.OutputStream.Write("void"); 114 } 115 116 generator.OutputStream.Write(")"); 117 generator.WriteNewLine(); 118 generator.IndentLine(level); 119 generator.OutputStream.Write("{"); 120 generator.WriteNewLine(); 121 122 base.GenerateCode(level, generator); 123 124 generator.IndentLine(level); 125 generator.OutputStream.Write("}"); 126 generator.WriteNewLine(); 127 } 128 } 129 } 130