Package org.antlr.v4.runtime

Examples of org.antlr.v4.runtime.RuntimeMetaData$Listener


    // Create a parser that reads from the scanner
    JavaParser parser = new JavaParser(tokens);
    parser.removeErrorListeners();
   
    // start parsing at the compilationUnit rule
    ParserRuleContext t = parser.compilationUnit();
    ParseTreeWalker walker = new ParseTreeWalker();
    List<AutocompleteCandidate> q = new ArrayList<AutocompleteCandidate>();
         
    ImportDeclarationCompletion extractor = new ImportDeclarationCompletion(txt,cur,registry,cps,cu);
    NameBuilder extractor2 = new NameBuilder(registry,cu );
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    isKeywords = false;
  }

  @Override
  public void enterPackage(@NotNull PackageContext ctx) {
    ParserRuleContext prc = ctx.getParent();
    if (!(prc instanceof DomainArrayContext)) {
      return;
    }
    DomainArrayContext dac = (DomainArrayContext) prc;
    DomainHeaderContext dhctx = (DomainHeaderContext) dac.getChild(0);
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    for (GrammarAST t : terminals) {
      int ttype = g.getTokenType(t.getText());
      set.add(ttype);
    }
    if ( invert ) {
      left.addTransition(new NotSetTransition(right, set));
    }
    else {
      left.addTransition(new SetTransition(right, set));
    }
    associatedAST.atnState = left;
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        BlockStartState star = newState(StarBlockStartState.class, ebnfRoot);
        if ( alts.size()>1 ) atn.defineDecisionState(star);
        h = makeBlock(star, blkAST, alts);
        return star(ebnfRoot, h);
      case ANTLRParser.POSITIVE_CLOSURE :
        PlusBlockStartState plus = newState(PlusBlockStartState.class, ebnfRoot);
        if ( alts.size()>1 ) atn.defineDecisionState(plus);
        h = makeBlock(plus, blkAST, alts);
        return plus(ebnfRoot, h);
    }
    return null;
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   * start.
   */
  @NotNull
  @Override
  public Handle plus(@NotNull GrammarAST plusAST, @NotNull Handle blk) {
    PlusBlockStartState blkStart = (PlusBlockStartState)blk.left;
    BlockEndState blkEnd = (BlockEndState)blk.right;
    preventEpsilonClosureBlocks.add(new Triple<Rule, ATNState, ATNState>(currentRule, blkStart, blkEnd));

    PlusLoopbackState loop = newState(PlusLoopbackState.class, plusAST);
    loop.nonGreedy = !((QuantifierAST)plusAST).isGreedy();
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  public Handle plus(@NotNull GrammarAST plusAST, @NotNull Handle blk) {
    PlusBlockStartState blkStart = (PlusBlockStartState)blk.left;
    BlockEndState blkEnd = (BlockEndState)blk.right;
    preventEpsilonClosureBlocks.add(new Triple<Rule, ATNState, ATNState>(currentRule, blkStart, blkEnd));

    PlusLoopbackState loop = newState(PlusLoopbackState.class, plusAST);
    loop.nonGreedy = !((QuantifierAST)plusAST).isGreedy();
    atn.defineDecisionState(loop);
    LoopEndState end = newState(LoopEndState.class, plusAST);
    blkStart.loopBackState = loop;
    end.loopBackState = loop;
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    ATNState right = newState(pred);

    AbstractPredicateTransition p;
    if (pred.getOptionString(LeftRecursiveRuleTransformer.PRECEDENCE_OPTION_NAME) != null) {
      int precedence = Integer.parseInt(pred.getOptionString(LeftRecursiveRuleTransformer.PRECEDENCE_OPTION_NAME));
      p = new PrecedencePredicateTransition(right, precedence);
    }
    else {
      boolean isCtxDependent = UseDefAnalyzer.actionIsContextDependent(pred);
      p = new PredicateTransition(right, currentRule.index, g.sempreds.get(pred), isCtxDependent);
    }
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      int precedence = Integer.parseInt(pred.getOptionString(LeftRecursiveRuleTransformer.PRECEDENCE_OPTION_NAME));
      p = new PrecedencePredicateTransition(right, precedence);
    }
    else {
      boolean isCtxDependent = UseDefAnalyzer.actionIsContextDependent(pred);
      p = new PredicateTransition(right, currentRule.index, g.sempreds.get(pred), isCtxDependent);
    }

    left.addTransition(p);
    pred.atnState = left;
    return new Handle(left, right);
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  /* start->ruleblock->end */
  @NotNull
  @Override
  public Handle rule(@NotNull GrammarAST ruleAST, @NotNull String name, @NotNull Handle blk) {
    Rule r = g.getRule(name);
    RuleStartState start = atn.ruleToStartState[r.index];
    epsilon(start, blk.left);
    RuleStopState stop = atn.ruleToStopState[r.index];
    epsilon(blk.right, stop);
    Handle h = new Handle(start, stop);
//    ATNPrinter ser = new ATNPrinter(g, h.left);
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    Rule r = g.getRule(node.getText());
    if ( r==null ) {
      g.tool.errMgr.grammarError(ErrorType.INTERNAL_ERROR, g.fileName, node.getToken(), "Rule "+node.getText()+" undefined");
      return null;
    }
    RuleStartState start = atn.ruleToStartState[r.index];
    ATNState left = newState(node);
    ATNState right = newState(node);
    int precedence = 0;
    if (((GrammarASTWithOptions)node).getOptionString(LeftRecursiveRuleTransformer.PRECEDENCE_OPTION_NAME) != null) {
      precedence = Integer.parseInt(((GrammarASTWithOptions)node).getOptionString(LeftRecursiveRuleTransformer.PRECEDENCE_OPTION_NAME));
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