Package org.antlr.v4.runtime

Examples of org.antlr.v4.runtime.NoViableAltException

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  @Test
  public void Process() throws IOException {
    InputStream is = CheckSymbols.class.getResource("/Mson.js")
        .openStream();
    ANTLRInputStream input = new ANTLRInputStream(is);
    MsonLexer lexer = new MsonLexer(input);
//    SymbolASTFactory factory = new SymbolASTFactory();
//    lexer.setTokenFactory(factory);
    CommonTokenStream tokens = new CommonTokenStream(lexer);
   
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    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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        .openStream();
    ANTLRInputStream input = new ANTLRInputStream(is);
    MsonLexer lexer = new MsonLexer(input);
//    SymbolASTFactory factory = new SymbolASTFactory();
//    lexer.setTokenFactory(factory);
    CommonTokenStream tokens = new CommonTokenStream(lexer);
   
    MsonParser parser = new MsonParser(tokens);
//    parser.setTokenFactory(factory);
    parser.addErrorListener(new DiagnosticErrorListener());
    parser.getInterpreter().setPredictionMode(
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//    lexer.setTokenFactory(factory);
    CommonTokenStream tokens = new CommonTokenStream(lexer);
   
    MsonParser parser = new MsonParser(tokens);
//    parser.setTokenFactory(factory);
    parser.addErrorListener(new DiagnosticErrorListener());
    parser.getInterpreter().setPredictionMode(
        PredictionMode.LL_EXACT_AMBIG_DETECTION);
    parser.setBuildParseTree(true);
    ParseTree tree = parser.mson();
    // show tree in text form
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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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        // We will get an error no matter what so delay until after
        // decision; better error message. Also, no reachable target
        // ATN states in SLL implies LL will also get nowhere.
        // If conflict in states that dip out, choose min since we
        // will get error no matter what.
        NoViableAltException e = noViableAlt(input, outerContext, previousD.configs, startIndex);
        input.seek(startIndex);
        int alt = getSynValidOrSemInvalidAltThatFinishedDecisionEntryRule(previousD.configs, outerContext);
        if ( alt!=ATN.INVALID_ALT_NUMBER ) {
          return alt;
        }
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        // We will get an error no matter what so delay until after
        // decision; better error message. Also, no reachable target
        // ATN states in SLL implies LL will also get nowhere.
        // If conflict in states that dip out, choose min since we
        // will get error no matter what.
        NoViableAltException e = noViableAlt(input, outerContext, previous, startIndex);
        input.seek(startIndex);
        int alt = getSynValidOrSemInvalidAltThatFinishedDecisionEntryRule(previous, outerContext);
        if ( alt!=ATN.INVALID_ALT_NUMBER ) {
          return alt;
        }
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  protected NoViableAltException noViableAlt(@NotNull TokenStream input,
                      @NotNull ParserRuleContext outerContext,
                      @NotNull ATNConfigSet configs,
                      int startIndex)
  {
    return new NoViableAltException(parser, input,
                      input.get(startIndex),
                      input.LT(1),
                      configs, outerContext);
  }
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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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Related Classes of org.antlr.v4.runtime.NoViableAltException

  • org.antlr.runtime.ANTLRFileStream
  • org.antlr.runtime.ANTLRStringStream
  • org.antlr.runtime.CharStream
  • org.antlr.runtime.CommonToken
  • 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
  • org.antlr.v4.analysis.LeftRecursionDetector
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