Package org.antlr.v4.runtime.atn

Examples of org.antlr.v4.runtime.atn.AtomTransition

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    ClassUtils cu = new ClassUtils();
    setup(cu);
    registry.clearForType(JavaCompletionTypes.CUSTOM_TYPE);
    registry.clearForType(JavaCompletionTypes.FIELD);
    registry.clearForType(JavaCompletionTypes.NAME);
    Lexer lexer = new JavaLexer(new ANTLRInputStream(txt));
    CommonTokenStream tokens = new CommonTokenStream(lexer);

    // Create a parser that reads from the scanner
    JavaParser parser = new JavaParser(tokens);
    parser.removeErrorListeners();
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    // 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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    ATNState left = newState(stringLiteralAST);
    ATNState prev = left;
    ATNState right = null;
    for (int i=0; i<n; i++) {
      right = newState(stringLiteralAST);
      prev.addTransition(new AtomTransition(right, chars.charAt(i)));
      prev = right;
    }
    stringLiteralAST.atnState = left;
    return new Handle(left, right);
  }
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  public Handle tokenRef(TerminalAST node) {
    // Ref to EOF in lexer yields char transition on -1
    if ( node.getText().equals("EOF") ) {
      ATNState left = newState(node);
      ATNState right = newState(node);
      left.addTransition(new AtomTransition(right, IntStream.EOF));
      return new Handle(left, right);
    }
    return _ruleRef(node);
  }
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          else {
            buf.append("-").append(not?"~":"").append(st.label().toString(g.getVocabulary())).append("->").append(getStateString(t.target)).append('\n');
          }
        }
        else if ( t instanceof AtomTransition ) {
          AtomTransition a = (AtomTransition)t;
          String label = g.getTokenDisplayName(a.label);
          buf.append("-").append(label).append("->").append(getStateString(t.target)).append('\n');
        }
        else {
          buf.append("-").append(t.toString()).append("->").append(getStateString(t.target)).append('\n');
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          }
          edgeST.add("loopback", loopback);
        }
        else if ( edge instanceof AtomTransition ) {
          edgeST = stlib.getInstanceOf("edge");
          AtomTransition atom = (AtomTransition)edge;
          String label = String.valueOf(atom.label);
          if ( isLexer ) label = "'"+getEdgeLabel(String.valueOf((char)atom.label))+"'";
          else if ( grammar!=null ) label = grammar.getTokenDisplayName(atom.label);
          edgeST.add("label", getEdgeLabel(label));
        }
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  @Override
  public Handle tokenRef(@NotNull TerminalAST node) {
    ATNState left = newState(node);
    ATNState right = newState(node);
    int ttype = g.getTokenType(node.getText());
    left.addTransition(new AtomTransition(right, ttype));
    node.atnState = left;
    return new Handle(left, right);
  }
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    ATNState eofTarget = newState(null); // one unique EOF target for all rules
    for (Rule r : g.rules.values()) {
      ATNState stop = atn.ruleToStopState[r.index];
      if ( stop.getNumberOfTransitions()>0 ) continue;
      n++;
      Transition t = new AtomTransition(eofTarget, Token.EOF);
      stop.addTransition(t);
    }
    return n;
  }
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        }

        Transition newTransition;
        if (matchSet.getIntervals().size() == 1) {
          if (matchSet.size() == 1) {
            newTransition = new AtomTransition(blockEndState, matchSet.getMinElement());
          } else {
            Interval matchInterval = matchSet.getIntervals().get(0);
            newTransition = new RangeTransition(blockEndState, matchInterval.a, matchInterval.b);
          }
        } else {
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Related Classes of org.antlr.v4.runtime.atn.AtomTransition

  • org.antlr.runtime.ANTLRFileStream
  • org.antlr.runtime.ANTLRStringStream
  • org.antlr.runtime.CharStream
  • org.antlr.runtime.CommonToken
  • org.antlr.runtime.Token
  • org.antlr.runtime.tree.CommonTree
  • org.antlr.runtime.tree.CommonTreeNodeStream
  • org.antlr.runtime.tree.Tree
  • org.antlr.runtime.tree.TreeVisitor
  • org.antlr.runtime.tree.TreeVisitorAction
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