1 | namespace antlr.debug |
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2 | { |
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3 | using System; |
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4 | using System.Threading; |
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5 | using antlr; |
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6 | |
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7 | using BitSet = antlr.collections.impl.BitSet; |
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8 | |
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9 | public abstract class DebuggingCharScanner : CharScanner, DebuggingParser |
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10 | { |
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11 | private void InitBlock() |
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12 | { |
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13 | eventSupport = new ScannerEventSupport(this); |
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14 | } |
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15 | public virtual void setDebugMode(bool mode) |
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16 | { |
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17 | _notDebugMode = !mode; |
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18 | } |
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19 | |
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20 | private ScannerEventSupport eventSupport; |
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21 | private bool _notDebugMode = false; |
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22 | protected internal string[] ruleNames; |
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23 | protected internal string[] semPredNames; |
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24 | |
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25 | |
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26 | public DebuggingCharScanner(InputBuffer cb) : base(cb) |
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27 | { |
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28 | InitBlock(); |
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29 | } |
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30 | public DebuggingCharScanner(LexerSharedInputState state) : base(state) |
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31 | { |
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32 | InitBlock(); |
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33 | } |
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34 | public virtual void addMessageListener(MessageListener l) |
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35 | { |
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36 | eventSupport.addMessageListener(l); |
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37 | } |
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38 | public virtual void addNewLineListener(NewLineListener l) |
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39 | { |
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40 | eventSupport.addNewLineListener(l); |
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41 | } |
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42 | public virtual void addParserListener(ParserListener l) |
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43 | { |
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44 | eventSupport.addParserListener(l); |
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45 | } |
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46 | public virtual void addParserMatchListener(ParserMatchListener l) |
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47 | { |
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48 | eventSupport.addParserMatchListener(l); |
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49 | } |
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50 | public virtual void addParserTokenListener(ParserTokenListener l) |
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51 | { |
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52 | eventSupport.addParserTokenListener(l); |
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53 | } |
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54 | public virtual void addSemanticPredicateListener(SemanticPredicateListener l) |
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55 | { |
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56 | eventSupport.addSemanticPredicateListener(l); |
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57 | } |
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58 | public virtual void addSyntacticPredicateListener(SyntacticPredicateListener l) |
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59 | { |
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60 | eventSupport.addSyntacticPredicateListener(l); |
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61 | } |
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62 | public virtual void addTraceListener(TraceListener l) |
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63 | { |
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64 | eventSupport.addTraceListener(l); |
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65 | } |
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66 | public override void consume() |
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67 | { |
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68 | int la_1 = - 99; |
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69 | try |
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70 | { |
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71 | la_1 = LA(1); |
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72 | } |
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73 | catch (CharStreamException) |
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74 | { |
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75 | } |
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76 | base.consume(); |
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77 | eventSupport.fireConsume(la_1); |
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78 | } |
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79 | protected internal virtual void fireEnterRule(int num, int data) |
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80 | { |
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81 | if (isDebugMode()) |
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82 | eventSupport.fireEnterRule(num, inputState.guessing, data); |
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83 | } |
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84 | protected internal virtual void fireExitRule(int num, int ttype) |
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85 | { |
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86 | if (isDebugMode()) |
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87 | eventSupport.fireExitRule(num, inputState.guessing, ttype); |
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88 | } |
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89 | protected internal virtual bool fireSemanticPredicateEvaluated(int type, int num, bool condition) |
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90 | { |
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91 | if (isDebugMode()) |
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92 | return eventSupport.fireSemanticPredicateEvaluated(type, num, condition, inputState.guessing); |
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93 | else |
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94 | return condition; |
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95 | } |
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96 | protected internal virtual void fireSyntacticPredicateFailed() |
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97 | { |
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98 | if (isDebugMode()) |
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99 | eventSupport.fireSyntacticPredicateFailed(inputState.guessing); |
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100 | } |
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101 | protected internal virtual void fireSyntacticPredicateStarted() |
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102 | { |
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103 | if (isDebugMode()) |
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104 | eventSupport.fireSyntacticPredicateStarted(inputState.guessing); |
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105 | } |
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106 | protected internal virtual void fireSyntacticPredicateSucceeded() |
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107 | { |
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108 | if (isDebugMode()) |
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109 | eventSupport.fireSyntacticPredicateSucceeded(inputState.guessing); |
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110 | } |
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111 | public virtual string getRuleName(int num) |
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112 | { |
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113 | return ruleNames[num]; |
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114 | } |
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115 | public virtual string getSemPredName(int num) |
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116 | { |
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117 | return semPredNames[num]; |
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118 | } |
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119 | public virtual void goToSleep() |
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120 | { |
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121 | lock(this) |
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122 | { |
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123 | try |
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124 | { |
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125 | Monitor.Wait(this); |
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126 | } |
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127 | catch (System.Threading.ThreadInterruptedException) |
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128 | { |
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129 | } |
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130 | } |
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131 | } |
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132 | public virtual bool isDebugMode() |
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133 | { |
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134 | return !_notDebugMode; |
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135 | } |
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136 | public override char LA(int i) |
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137 | { |
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138 | char la = base.LA(i); |
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139 | eventSupport.fireLA(i, la); |
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140 | return la; |
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141 | } |
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142 | protected internal override IToken makeToken(int t) |
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143 | { |
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144 | // do something with char buffer??? |
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145 | // try { |
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146 | // IToken tok = (Token)tokenObjectClass.newInstance(); |
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147 | // tok.setType(t); |
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148 | // // tok.setText(getText()); done in generated lexer now |
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149 | // tok.setLine(line); |
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150 | // return tok; |
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151 | // } |
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152 | // catch (InstantiationException ie) { |
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153 | // panic("can't instantiate a Token"); |
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154 | // } |
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155 | // catch (IllegalAccessException iae) { |
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156 | // panic("Token class is not accessible"); |
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157 | // } |
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158 | return base.makeToken(t); |
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159 | } |
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160 | public override void match(int c) |
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161 | { |
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162 | char la_1 = LA(1); |
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163 | try |
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164 | { |
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165 | base.match(c); |
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166 | eventSupport.fireMatch(Convert.ToChar(c), inputState.guessing); |
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167 | } |
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168 | catch (MismatchedCharException e) |
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169 | { |
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170 | if (inputState.guessing == 0) |
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171 | eventSupport.fireMismatch(la_1, Convert.ToChar(c), inputState.guessing); |
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172 | throw e; |
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173 | } |
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174 | } |
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175 | public override void match(BitSet b) |
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176 | { |
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177 | string text = this.text.ToString(); |
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178 | char la_1 = LA(1); |
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179 | try |
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180 | { |
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181 | base.match(b); |
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182 | eventSupport.fireMatch(la_1, b, text, inputState.guessing); |
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183 | } |
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184 | catch (MismatchedCharException e) |
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185 | { |
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186 | if (inputState.guessing == 0) |
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187 | eventSupport.fireMismatch(la_1, b, text, inputState.guessing); |
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188 | throw e; |
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189 | } |
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190 | } |
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191 | public override void match(string s) |
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192 | { |
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193 | System.Text.StringBuilder la_s = new System.Text.StringBuilder(""); |
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194 | int len = s.Length; |
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195 | // peek at the next len worth of characters |
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196 | try |
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197 | { |
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198 | for (int i = 1; i <= len; i++) |
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199 | { |
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200 | la_s.Append(base.LA(i)); |
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201 | } |
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202 | } |
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203 | catch (System.Exception) |
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204 | { |
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205 | } |
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206 | |
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207 | try |
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208 | { |
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209 | base.match(s); |
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210 | eventSupport.fireMatch(s, inputState.guessing); |
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211 | } |
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212 | catch (MismatchedCharException e) |
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213 | { |
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214 | if (inputState.guessing == 0) |
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215 | eventSupport.fireMismatch(la_s.ToString(), s, inputState.guessing); |
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216 | throw e; |
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217 | } |
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218 | |
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219 | } |
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220 | public override void matchNot(int c) |
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221 | { |
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222 | char la_1 = LA(1); |
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223 | try |
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224 | { |
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225 | base.matchNot(c); |
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226 | eventSupport.fireMatchNot(la_1, Convert.ToChar(c), inputState.guessing); |
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227 | } |
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228 | catch (MismatchedCharException e) |
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229 | { |
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230 | if (inputState.guessing == 0) |
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231 | eventSupport.fireMismatchNot(la_1, Convert.ToChar(c), inputState.guessing); |
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232 | throw e; |
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233 | } |
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234 | |
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235 | } |
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236 | public override void matchRange(int c1, int c2) |
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237 | { |
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238 | char la_1 = LA(1); |
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239 | try |
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240 | { |
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241 | base.matchRange(c1, c2); |
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242 | eventSupport.fireMatch(la_1, "" + c1 + c2, inputState.guessing); |
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243 | } |
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244 | catch (MismatchedCharException e) |
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245 | { |
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246 | if (inputState.guessing == 0) |
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247 | eventSupport.fireMismatch(la_1, "" + c1 + c2, inputState.guessing); |
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248 | throw e; |
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249 | } |
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250 | |
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251 | } |
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252 | public override void newline() |
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253 | { |
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254 | base.newline(); |
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255 | eventSupport.fireNewLine(getLine()); |
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256 | } |
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257 | public virtual void removeMessageListener(MessageListener l) |
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258 | { |
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259 | eventSupport.removeMessageListener(l); |
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260 | } |
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261 | public virtual void removeNewLineListener(NewLineListener l) |
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262 | { |
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263 | eventSupport.removeNewLineListener(l); |
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264 | } |
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265 | public virtual void removeParserListener(ParserListener l) |
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266 | { |
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267 | eventSupport.removeParserListener(l); |
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268 | } |
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269 | public virtual void removeParserMatchListener(ParserMatchListener l) |
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270 | { |
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271 | eventSupport.removeParserMatchListener(l); |
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272 | } |
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273 | public virtual void removeParserTokenListener(ParserTokenListener l) |
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274 | { |
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275 | eventSupport.removeParserTokenListener(l); |
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276 | } |
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277 | public virtual void removeSemanticPredicateListener(SemanticPredicateListener l) |
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278 | { |
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279 | eventSupport.removeSemanticPredicateListener(l); |
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280 | } |
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281 | public virtual void removeSyntacticPredicateListener(SyntacticPredicateListener l) |
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282 | { |
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283 | eventSupport.removeSyntacticPredicateListener(l); |
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284 | } |
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285 | public virtual void removeTraceListener(TraceListener l) |
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286 | { |
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287 | eventSupport.removeTraceListener(l); |
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288 | } |
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289 | /// <summary>Report exception errors caught in nextToken() |
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290 | /// </summary> |
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291 | public virtual void reportError(MismatchedCharException e) |
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292 | { |
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293 | eventSupport.fireReportError(e); |
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294 | base.reportError(e); |
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295 | } |
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296 | /// <summary>Parser error-reporting function can be overridden in subclass |
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297 | /// </summary> |
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298 | public override void reportError(string s) |
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299 | { |
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300 | eventSupport.fireReportError(s); |
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301 | base.reportError(s); |
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302 | } |
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303 | /// <summary>Parser warning-reporting function can be overridden in subclass |
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304 | /// </summary> |
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305 | public override void reportWarning(string s) |
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306 | { |
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307 | eventSupport.fireReportWarning(s); |
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308 | base.reportWarning(s); |
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309 | } |
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310 | public virtual void setupDebugging() |
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311 | { |
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312 | } |
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313 | |
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314 | public virtual void wakeUp() |
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315 | { |
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316 | lock(this) |
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317 | { |
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318 | Monitor.Pulse(this); |
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319 | } |
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320 | } |
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321 | } |
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322 | } |
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