1 | // GPDefSem.cs HDO, 2006-08-28
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2 | // -------------
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3 | // Semantic evaluator for table-driven top-down parsing.
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4 | // Generated by Coco-2 (PGT).
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5 | //=====================================|========================================
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6 |
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7 | using System;
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8 | using System.Text;
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9 | using System.Collections;
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10 | using System.Collections.Generic;
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11 |
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12 | using Lex = GPDefLex;
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13 | using Syn = GPDefSyn;
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14 |
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15 | public class GPDefSem {
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16 |
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17 |
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18 | public const String MODULENAME = "GPDefSem";
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19 |
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20 | public static void GPDefSemMethod(Utils.ModuleAction action, out String moduleName) {
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21 | //-----------------------------------|----------------------------------------
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22 | moduleName = MODULENAME;
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23 | switch (action) {
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24 | case Utils.ModuleAction.getModuleName:
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25 | return;
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26 | case Utils.ModuleAction.initModule:
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27 | break;
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28 | case Utils.ModuleAction.resetModule:
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29 | break;
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30 | case Utils.ModuleAction.cleanupModule:
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31 | return;
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32 | } // switch
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33 | } // GPDefSemMethod
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34 |
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35 |
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36 | // *** start of global SYN and SEM declarations from ATG ***
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37 |
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38 | static StringBuilder srcText;
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39 | public static HeuristicLab.Optimization.IProblem problem;
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40 |
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41 | // *** end of global SYN and SEM declarations from ATG ***
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42 |
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43 |
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44 | private static void P_source() {
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45 | Lex.GETsourceAttr();
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46 | GPDefSem.srcText = new StringBuilder();
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47 | for (; ; ) {
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48 | switch (GPDefLex.curCh) {
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49 | case Utils.EF:
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50 | Errors.SemError(GPDefLex.curLine, GPDefLex.curCol, "end of file in source text");
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51 | return;
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52 | case '<':
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53 | GPDefLex.NextCh();
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54 | if (GPDefLex.curCh == '<') {
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55 | GPDefSem.srcText.Append('<');
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56 | Errors.Warning(GPDefLex.curLine, GPDefLex.curCol, "non closed source text before?");
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57 | GPDefLex.NextCh();
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58 | }
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59 | GPDefSem.srcText.Append('<');
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60 | break;
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61 | case '>':
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62 | GPDefLex.NextCh();
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63 | if (GPDefLex.curCh == '>') {
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64 | GPDefLex.curCh = ' '; // force GPDefLex to get next character
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65 | SourceReader.Handle(GPDefSem.srcText.ToString());
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66 | return;
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67 | }
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68 | GPDefSem.srcText.Append('>');
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69 | break;
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70 | default:
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71 | GPDefSem.srcText.Append(GPDefLex.curCh);
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72 | GPDefLex.NextCh();
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73 | break;
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74 | }
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75 | }
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76 |
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77 | } // P_source
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78 |
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79 |
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80 | private static void NT_GPDef() {
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81 | string identStr = "";
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82 | RuleNode ruleNode = null;
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83 | GPDefNode gpDef = new GPDefNode();
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84 | NonTerminalNode ntNode = null;
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85 | FitnessFunctionNode fitnessFunNode = null;
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86 | TerminalNode tNode = null;
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87 | problem = null;
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88 |
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89 | for (;;) {
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90 | switch (Syn.Interpret()) {
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91 | case 0:
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92 | return;
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93 | case 1:
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94 | Lex.GETidentAttr(out identStr);
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95 | break;
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96 | case 2: // SEM
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97 | gpDef.Name = identStr;
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98 | break;
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99 | case 3: // SEM
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100 | SourceReader.WithNext((src) => gpDef.ClassCodeNode = new CodeNode{SrcCode = src});
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101 | break;
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102 | case 4: // SEM
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103 | SourceReader.WithNext((src) => gpDef.InitCodeNode = new CodeNode{SrcCode = src});
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104 | break;
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105 | case 5:
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106 | NT_NonterminalDecl(out ntNode);
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107 | break;
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108 | case 6: // SEM
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109 | gpDef.NonTerminals.Add(ntNode);
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110 | break;
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111 | case 7:
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112 | NT_TerminalDecl(out tNode);
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113 | break;
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114 | case 8: // SEM
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115 | gpDef.Terminals.Add(tNode);
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116 | break;
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117 | case 9:
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118 | NT_RuleDef(out ruleNode);
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119 | break;
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120 | case 10: // SEM
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121 | gpDef.Rules.Add(ruleNode);
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122 | break;
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123 | case 11: // SEM
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124 | fitnessFunNode = new FitnessFunctionNode();
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125 | gpDef.FitnessFunctionNode = fitnessFunNode;
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126 |
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127 | break;
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128 | case 12: // SEM
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129 | fitnessFunNode.Maximization = true;
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130 | break;
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131 | case 13: // SEM
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132 | fitnessFunNode.Maximization = false;
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133 | break;
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134 | case 14: // SEM
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135 | SourceReader.WithNext((src) => fitnessFunNode.SrcCode = src);
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136 | break;
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137 | case 15:
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138 | Lex.GETidentAttr(out identStr);
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139 | break;
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140 | case 16: // SEM
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141 | SourceReader.Handle(GPDefSem.srcText.ToString()); // flush the source reader
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142 | var gen = new ProblemGenerator();
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143 | problem = gen.GenerateFromAst(gpDef);
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144 |
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145 | break;
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146 | } // switch
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147 | } // for
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148 | } // NT_GPDef
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149 |
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150 | private static void NT_SemAction(out RuleActionNode action) {
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151 | RuleActionNode myAction = null; action = null;
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152 | for (;;) {
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153 | switch (Syn.Interpret()) {
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154 | case 0:
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155 | return;
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156 | case 1: // SEM
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157 | myAction = new RuleActionNode();
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158 | SourceReader.WithNext((src) => {myAction.SrcCode = src;});
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159 | action = myAction;
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160 |
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161 | break;
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162 | } // switch
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163 | } // for
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164 | } // NT_SemAction
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165 |
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166 | private static void NT_NonterminalDecl(out NonTerminalNode ntNode) {
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167 | string identStr = ""; ntNode = null;
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168 | for (;;) {
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169 | switch (Syn.Interpret()) {
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170 | case 0:
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171 | return;
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172 | case 1:
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173 | Lex.GETidentAttr(out identStr);
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174 | break;
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175 | case 2: // SEM
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176 | var myNtNode = new NonTerminalNode();
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177 | ntNode = myNtNode;
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178 | myNtNode.Ident = identStr;
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179 | SourceReader.WithNext((src) => {myNtNode.FormalParameters = src;});
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180 |
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181 | break;
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182 | } // switch
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183 | } // for
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184 | } // NT_NonterminalDecl
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185 |
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186 | private static void NT_TerminalDecl(out TerminalNode tNode) {
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187 | string identStr = "";
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188 | tNode = null;
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189 | TerminalNode myTNode = null;
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190 | IEnumerable<ConstraintNode> constraints = null;
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191 |
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192 | for (;;) {
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193 | switch (Syn.Interpret()) {
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194 | case 0:
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195 | return;
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196 | case 1:
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197 | Lex.GETidentAttr(out identStr);
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198 | break;
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199 | case 2: // SEM
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200 | myTNode = new TerminalNode();
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201 | tNode = myTNode;
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202 | myTNode.Ident = identStr;
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203 | SourceReader.WithNext((src) => {
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204 | myTNode.FormalParameters = src;
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205 | myTNode.FieldDefinitions = SourceReader.ExtractFormalParameters(src);
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206 | });
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207 |
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208 |
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209 | break;
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210 | case 3:
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211 | NT_ConstraintDef(out constraints);
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212 | break;
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213 | case 4: // SEM
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214 | myTNode.Constraints = constraints;
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215 | break;
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216 | } // switch
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217 | } // for
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218 | } // NT_TerminalDecl
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219 |
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220 | private static void NT_ConstraintDef(out IEnumerable<ConstraintNode> constraints) {
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221 | List<ConstraintNode> constraintsList = new List<ConstraintNode>();
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222 | ConstraintNode n = null;
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223 | constraints = null;
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224 |
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225 | for (;;) {
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226 | switch (Syn.Interpret()) {
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227 | case 0:
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228 | return;
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229 | case 1:
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230 | NT_ConstraintRule(out n);
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231 | break;
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232 | case 2: // SEM
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233 | constraintsList.Add(n);
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234 | break;
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235 | case 3: // SEM
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236 | constraints = constraintsList;
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237 | break;
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238 | } // switch
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239 | } // for
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240 | } // NT_ConstraintDef
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241 |
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242 | private static void NT_ConstraintRule(out ConstraintNode constraint) {
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243 | string identStr = null;
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244 | constraint = null;
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245 |
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246 | for (;;) {
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247 | switch (Syn.Interpret()) {
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248 | case 0:
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249 | return;
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250 | case 1:
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251 | Lex.GETidentAttr(out identStr);
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252 | break;
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253 | case 2: // SEM
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254 | constraint = new ConstraintNode(identStr);
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255 | break;
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256 | case 3:
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257 | NT_SetDefinition(constraint);
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258 | break;
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259 | case 4: // SEM
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260 | SourceReader.Handle(GPDefSem.srcText.ToString()); // flush the source reader
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261 | break;
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262 | } // switch
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263 | } // for
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264 | } // NT_ConstraintRule
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265 |
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266 | private static void NT_SetDefinition(ConstraintNode constraint) {
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267 | for (;;) {
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268 | switch (Syn.Interpret()) {
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269 | case 0:
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270 | return;
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271 | case 1: // SEM
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272 | constraint.Type = ConstraintNodeType.Set;
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273 | break;
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274 | case 2: // SEM
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275 | SourceReader.WithNext((src) => {constraint.SetExpression = src;});
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276 | break;
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277 | case 3: // SEM
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278 | constraint.Type = ConstraintNodeType.Range;
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279 | break;
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280 | case 4: // SEM
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281 | SourceReader.WithNext((src) => {constraint.RangeMinExpression = src;});
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282 | break;
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283 | case 5: // SEM
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284 | SourceReader.Handle(GPDefSem.srcText.ToString()); // flush the source reader
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285 | SourceReader.WithNext((src) => {constraint.RangeMaxExpression = src;});
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286 | break;
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287 | } // switch
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288 | } // for
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289 | } // NT_SetDefinition
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290 |
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291 | private static void NT_RuleDef(out RuleNode rule) {
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292 | RuleExprNode expr = null;
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293 | string identStr = null;
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294 | RuleNode myRule = null;
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295 | rule = null;
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296 |
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297 | for (;;) {
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298 | switch (Syn.Interpret()) {
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299 | case 0:
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300 | return;
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301 | case 1:
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302 | Lex.GETidentAttr(out identStr);
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303 | break;
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304 | case 2: // SEM
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305 | myRule = new RuleNode();
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306 | rule = myRule;
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307 | myRule.NtSymbol = identStr;
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308 |
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309 | break;
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310 | case 3: // SEM
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311 | SourceReader.WithNext((src) => {myRule.LocalCode = src;});
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312 |
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313 | break;
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314 | case 4:
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315 | NT_SynExpr(out expr);
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316 | break;
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317 | case 5: // SEM
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318 | myRule.RuleExpr = expr;
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319 |
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320 | break;
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321 | } // switch
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322 | } // for
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323 | } // NT_RuleDef
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324 |
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325 | private static void NT_SynExpr(out RuleExprNode expr) {
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326 | expr = null;
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327 | AlternativesNode alt = null;
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328 |
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329 | for (;;) {
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330 | switch (Syn.Interpret()) {
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331 | case 0:
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332 | return;
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333 | case 1:
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334 | NT_SynTerm(out expr);
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335 | break;
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336 | case 2: // SEM
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337 | alt = new AlternativesNode();
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338 | alt.Add(expr);
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339 |
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340 | break;
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341 | case 3:
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342 | NT_SynTerm(out expr);
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343 | break;
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344 | case 4: // SEM
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345 | alt.Add(expr); expr = alt;
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346 | break;
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347 | } // switch
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348 | } // for
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349 | } // NT_SynExpr
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350 |
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351 | private static void NT_SynTerm(out RuleExprNode expr) {
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352 | SequenceNode seq = null; expr = null;
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353 | for (;;) {
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354 | switch (Syn.Interpret()) {
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355 | case 0:
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356 | return;
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357 | case 1:
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358 | NT_SynFact(out expr);
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359 | break;
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360 | case 2: // SEM
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361 | seq = new SequenceNode();
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362 | seq.Add(expr);
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363 |
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364 | break;
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365 | case 3:
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366 | NT_SynFact(out expr);
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367 | break;
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368 | case 4: // SEM
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369 | seq.Add(expr); expr = seq;
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370 | break;
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371 | } // switch
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372 | } // for
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373 | } // NT_SynTerm
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374 |
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375 | private static void NT_SynFact(out RuleExprNode expr) {
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376 | string identStr = "";
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377 | RuleActionNode action = null;
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378 | expr = null;
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379 |
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380 | for (;;) {
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381 | switch (Syn.Interpret()) {
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382 | case 0:
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383 | return;
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384 | case 1:
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385 | Lex.GETidentAttr(out identStr);
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386 | break;
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387 | case 2: // SEM
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388 | var callNode = new CallSymbolNode{Ident = identStr};
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389 | SourceReader.WithNext((src) => {callNode.ActualParameter = src;});
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390 | expr = callNode;
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391 |
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392 | break;
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393 | case 3:
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394 | NT_SemAction(out action);
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395 | break;
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396 | case 4: // SEM
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397 | expr = action;
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398 | break;
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399 | } // switch
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400 | } // for
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401 | } // NT_SynFact
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402 |
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403 |
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404 | public delegate void PragmaMethod();
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405 | public static PragmaMethod[] pragmaMethods = {
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406 | new PragmaMethod(P_source)
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407 | };
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408 |
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409 |
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410 | public static void StartSem() {
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411 | //-----------------------------------|----------------------------------------
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412 | for (;;) {
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413 | switch (Syn.Interpret()) {
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414 | case 0:
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415 | return;
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416 | case 1:
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417 | NT_GPDef();
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418 | break;
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419 | } // switch
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420 | } // for
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421 | } // StartSem
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422 |
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423 |
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424 | } // GPDefSem
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425 |
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426 | // End of GPDefSem.cs
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427 | //=====================================|========================================
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