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 namespace CCodeGeneration 34 { 35 public class VariablePrototype : CodeElement 36 { 37 public VariableType Type { get; set; } 38 VariablePrototype()39 public VariablePrototype() 40 : base() 41 { 42 } 43 VariablePrototype(VariableType type)44 public VariablePrototype(VariableType type) : 45 base() 46 { 47 Type = type; 48 } 49 FromVariableDeclaration(VariableDeclaration declaration)50 public static VariablePrototype FromVariableDeclaration(VariableDeclaration declaration) 51 { 52 return new VariablePrototype(declaration.Type); 53 } 54 55 GenerateCode(int level, CGenerator generator)56 public override void GenerateCode(int level, CGenerator generator) 57 { 58 if (this.Type != null) 59 { 60 generator.IndentLine(level); 61 62 generator.OutputStream.Write("extern "); 63 64 // declare the variable 65 this.Type.GenerateCode(generator); 66 67 generator.OutputStream.Write(";"); 68 generator.WriteNewLine(); 69 } 70 } 71 72 } 73 } 74