1 | /*
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2 | * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
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3 | * All rights reserved.
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4 | *
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5 | * Redistribution and use in source and binary forms, with or without modification,
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6 | * are permitted provided that the following conditions are met:
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7 | *
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8 | * 1. Redistributions of source code must retain the above copyright notice,
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9 | * this list of conditions and the following disclaimer.
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10 | * 2. Redistributions in binary form must reproduce the above copyright notice,
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11 | * this list of conditions and the following disclaimer in the documentation
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12 | * and/or other materials provided with the distribution.
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13 | * 3. The name of the author may not be used to endorse or promote products
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14 | * derived from this software without specific prior written permission.
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15 | *
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16 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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17 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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18 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
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19 | * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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20 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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21 | * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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22 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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23 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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24 | * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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25 | * OF SUCH DAMAGE.
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26 | *
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27 | * This file is part of the lwIP TCP/IP stack.
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28 | *
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29 | * Author: Martin Hentschel <info@cl-soft.de>
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30 | *
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31 | */
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32 |
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33 | using System;
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34 | using System.Collections.Generic;
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35 |
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36 | namespace CCodeGeneration
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37 | {
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38 | public class SwitchCase : CodeContainerBase
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39 | {
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40 | public string Value { get; set; }
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41 |
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42 | public SwitchCase()
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43 | {
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44 | }
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45 |
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46 | public SwitchCase(string value)
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47 | {
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48 | this.Value = value;
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49 | }
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50 |
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51 | public bool IsDefault
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52 | {
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53 | get { return (this.Value.ToLowerInvariant() == "default"); }
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54 | }
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55 |
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56 | public static SwitchCase GenerateDefault()
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57 | {
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58 | return new SwitchCase("default");
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59 | }
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60 |
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61 | public override void GenerateCode(int level, CGenerator generator)
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62 | {
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63 | if (!String.IsNullOrWhiteSpace(this.Value))
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64 | {
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65 | generator.IndentLine(level);
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66 | if (this.IsDefault)
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67 | {
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68 | generator.OutputStream.Write("default:");
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69 | }
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70 | else
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71 | {
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72 | generator.OutputStream.Write(String.Format("case {0}:", this.Value));
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73 | }
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74 | generator.WriteNewLine();
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75 | generator.IndentLine(level + 1);
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76 | generator.OutputStream.Write("{");
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77 | generator.WriteNewLine();
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78 |
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79 | base.GenerateCode(level + 1, generator);
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80 |
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81 | generator.IndentLine(level + 1);
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82 | generator.OutputStream.Write("}");
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83 | generator.WriteNewLine();
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84 |
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85 | generator.IndentLine(level + 1);
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86 | generator.OutputStream.Write("break;");
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87 | generator.WriteNewLine();
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88 | }
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89 | }
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90 | }
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91 |
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92 | public class Switch: CodeElement
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93 | {
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94 | public string SwitchVar { get; set; }
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95 |
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96 | private List<SwitchCase> switches = new List<SwitchCase>();
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97 |
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98 | public Switch()
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99 | {
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100 | }
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101 |
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102 | public Switch(string switchVar)
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103 | {
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104 | this.SwitchVar = switchVar;
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105 | }
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106 |
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107 | public List<SwitchCase> Switches
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108 | {
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109 | get { return this.switches; }
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110 | }
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111 |
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112 | public override void GenerateCode(int level, CGenerator generator)
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113 | {
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114 | if (!String.IsNullOrWhiteSpace(this.SwitchVar))
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115 | {
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116 | generator.IndentLine(level);
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117 | generator.OutputStream.Write(String.Format("switch ({0})", this.SwitchVar));
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118 | generator.WriteNewLine();
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119 | generator.IndentLine(level);
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120 | generator.OutputStream.Write("{");
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121 | generator.WriteNewLine();
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122 |
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123 | SwitchCase defaultCase = null; // generate 'default' always as last case
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124 | foreach (SwitchCase switchCase in this.switches)
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125 | {
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126 | if (switchCase.IsDefault)
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127 | {
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128 | defaultCase = switchCase;
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129 | }
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130 | else
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131 | {
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132 | switchCase.GenerateCode(level + 1, generator);
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133 | }
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134 | }
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135 | if (defaultCase != null)
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136 | {
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137 | defaultCase.GenerateCode(level + 1, generator);
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138 | }
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139 |
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140 | generator.IndentLine(level);
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141 | generator.OutputStream.Write("}");
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142 | generator.WriteNewLine();
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143 | }
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144 | }
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145 | }
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146 | }
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