public static string PrintTerminals(LanguageData language) {
   StringBuilder sb = new StringBuilder();
   foreach (Terminal term in language.GrammarData.Terminals) {
     sb.Append(term.ToString());
     sb.AppendLine();
   }
   return sb.ToString();
 }
 public static string PrintNonTerminals(LanguageData language) {
   StringBuilder sb = new StringBuilder();
   foreach (NonTerminal nt in language.GrammarData.NonTerminals) {
     sb.Append(nt.Name);
     sb.Append(nt.IsSet(TermOptions.IsNullable) ? "  (Nullable) " : "");
     sb.AppendLine();
     foreach (Production pr in nt.Productions) {
       sb.Append("   ");
       sb.AppendLine(pr.ToString());
     }
   }//foreachc nt
   return sb.ToString();
 }
 public static string PrintStateList(LanguageData language) {
   StringBuilder sb = new StringBuilder();
   foreach (ParserState state in language.ParserData.States) {
     sb.Append("State " + state.Name); 
     if (state.BuilderData.IsInadequate) sb.Append(" (Inadequate)");
     sb.AppendLine();
     var srConflicts = state.BuilderData.GetShiftReduceConflicts();
     if (srConflicts.Count > 0)
       sb.AppendLine("  Shift-reduce conflicts on inputs: " + srConflicts.ToString());
     var ssConflicts = state.BuilderData.GetReduceReduceConflicts();
     if (ssConflicts.Count > 0)
       sb.AppendLine("  Reduce-reduce conflicts on inputs: " + ssConflicts.ToString());
     //LRItems
     if (state.BuilderData.ShiftItems.Count > 0) {
       sb.AppendLine("  Shift items:");
       foreach (var item in state.BuilderData.ShiftItems)
         sb.AppendLine("    " + item.ToString());
     }
     if (state.BuilderData.ReduceItems.Count > 0) {
       sb.AppendLine("  Reduce items:");
       foreach (LRItem item in state.BuilderData.ReduceItems)
         sb.AppendLine("    " + item.ToString(state.BuilderData.JumpLookaheads));
     }
     bool headerPrinted = false;
     foreach (BnfTerm key in state.Actions.Keys) {
       ParserAction action = state.Actions[key];
       if (action.ActionType != ParserActionType.Shift && action.ActionType != ParserActionType.Jump) continue;
       if (!headerPrinted)
         sb.Append("  Shifts: ");
       headerPrinted = true;
       sb.Append(key.ToString());
       if (action.ActionType == ParserActionType.Shift)
         sb.Append("->"); //shift
       sb.Append(action.NewState.Name);
       sb.Append(", ");
     }
     sb.AppendLine();
     if (state.BuilderData.JumpLookaheads.Count > 0) 
       //two spaces between 'state' and state name - important for locating state from parser trace
       sb.AppendLine("  Jump to non-canonical state  " + state.BuilderData.JumpTarget + " on lookaheads: " + state.BuilderData.JumpLookaheads.ToString());
     sb.AppendLine();
   }//foreach
   return sb.ToString();
 }
 public ScriptEngine(Grammar grammar) {
   Compiler = new Compiler(grammar);
   Language = Compiler.Language;
 }
 public ScriptEngine(LanguageData language) {
   Language = language;
   Compiler = new Compiler(Language); 
 }
 public ScriptEngine(Compiler compiler) {
   Compiler = compiler;
   Language = Compiler.Language;
 }
Beispiel #7
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 public virtual void OnParserDataConstructed(LanguageData language) {
 }
Beispiel #8
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 //The method is called after GrammarData is constructed 
 public virtual void OnGrammarDataConstructed(LanguageData language) {
 }
Beispiel #9
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 public Parser(LanguageData language) {
   Language = language; 
   Scanner = new Scanner(Language.ScannerData);
   CoreParser = new CoreParser(Language.ParserData, Scanner); 
 }
Beispiel #10
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 public virtual void OnParserDataConstructed(LanguageData language)
 {
 }
Beispiel #11
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 //The method is called after GrammarData is constructed
 public virtual void OnGrammarDataConstructed(LanguageData language)
 {
 }