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  3. org.antlr.v4.runtime.Parser

Java 类org.antlr.v4.runtime.Parser 实例源码

项目：rapidminer    文件：CapitulatingErrorStrategy.java    
@Override
protected void reportNoViableAlternative(Parser recognizer, NoViableAltException e) {
    // change error message from default implementation
    TokenStream tokens = recognizer.getInputStream();
    String input;
    if (tokens != null) {
        if (e.getStartToken().getType() == Token.EOF) {
            input = "the end";
        } else {
            input = escapeWSAndQuote(tokens.getText(e.getStartToken(), e.getOffendingToken()));
        }
    } else {
        input = escapeWSAndQuote("<unknown input>");
    }
    String msg = "inadmissible input at " + input;
    recognizer.notifyErrorListeners(e.getOffendingToken(), msg, e);
}
项目：elasticsearch_my    文件：ParserErrorStrategy.java    
@Override
public void recover(final Parser recognizer, final RecognitionException re) {
    final Token token = re.getOffendingToken();
    String message;

    if (token == null) {
        message = "no parse token found.";
    } else if (re instanceof InputMismatchException) {
        message = "unexpected token [" + getTokenErrorDisplay(token) + "]" +
                " was expecting one of [" + re.getExpectedTokens().toString(recognizer.getVocabulary()) + "].";
    } else if (re instanceof NoViableAltException) {
        if (token.getType() == PainlessParser.EOF) {
            message = "unexpected end of script.";
        } else {
            message = "invalid sequence of tokens near [" + getTokenErrorDisplay(token) + "].";
        }
    } else {
        message =  "unexpected token near [" + getTokenErrorDisplay(token) + "].";
    }

    Location location = new Location(sourceName, token == null ? -1 : token.getStartIndex());
    throw location.createError(new IllegalArgumentException(message, re));
}
项目：oscm-app    文件：FWPolicyErrorStrategy.java    
/**
 * Make sure we don't attempt to recover inline; if the parser successfully
 * recovers, it won't throw an exception.
 */
@Override
public Token recoverInline(Parser recognizer) throws RecognitionException {
    InputMismatchException e = new InputMismatchException(recognizer);

    String policies = recognizer.getInputStream().getText();
    StringTokenizer tk = new StringTokenizer(policies, ";");
    String policy = "";
    int idx = 0;
    while (tk.hasMoreElements()) {
        policy = (String) tk.nextElement();
        idx += policy.length();
        if (idx >= e.getOffendingToken().getStartIndex()) {
            break;
        }
    }

    String message = Messages.get(Messages.DEFAULT_LOCALE,
            "error_invalid_firewallconfig", new Object[] {
                    e.getOffendingToken().getText(), policy });
    throw new RuntimeException(message);
}
项目：oscm    文件：FWPolicyErrorStrategy.java    
/**
 * Make sure we don't attempt to recover inline; if the parser successfully
 * recovers, it won't throw an exception.
 */
@Override
public Token recoverInline(Parser recognizer) throws RecognitionException {
    InputMismatchException e = new InputMismatchException(recognizer);

    String policies = recognizer.getInputStream().getText();
    StringTokenizer tk = new StringTokenizer(policies, ";");
    String policy = "";
    int idx = 0;
    while (tk.hasMoreElements()) {
        policy = (String) tk.nextElement();
        idx += policy.length();
        if (idx >= e.getOffendingToken().getStartIndex()) {
            break;
        }
    }

    String message = Messages.get(Messages.DEFAULT_LOCALE,
            "error_invalid_firewallconfig", new Object[] {
                    e.getOffendingToken().getText(), policy });
    throw new RuntimeException(message);
}
项目：pgcodekeeper    文件：AntlrParser.java    
private static <T extends Parser> T makeBasicParser(Class<T> parserClass,
        ANTLRInputStream stream, String parsedObjectName, List<AntlrError> errors) {
    Lexer lexer;
    Parser parser;
    if (parserClass.isAssignableFrom(SQLParser.class)) {
        lexer = new SQLLexer(stream);
        parser = new SQLParser(new CommonTokenStream(lexer));
    } else if (parserClass.isAssignableFrom(IgnoreListParser.class)) {
        lexer = new IgnoreListLexer(stream);
        parser = new IgnoreListParser(new CommonTokenStream(lexer));
    } else {
        throw new IllegalArgumentException("Unknown parser class: " + parserClass);
    }

    CustomAntlrErrorListener err = new CustomAntlrErrorListener(parsedObjectName, errors);
    lexer.removeErrorListeners();
    lexer.addErrorListener(err);
    parser.removeErrorListeners();
    parser.addErrorListener(err);

    return parserClass.cast(parser);
}
项目：antlr-examples    文件：ParserUtil.java    
public static <L extends Lexer, P extends Parser> P newParser(
    Function<CharStream, L> lexerFactory,
    Function<TokenStream, P> parserFactory,
    String input,
    boolean useBailErrorStrategy,
    boolean removeErrorListeners) {
  CharStream charStream = new ANTLRInputStream(input);
  L lexer = lexerFactory.apply(charStream);
  if (removeErrorListeners) {
    lexer.removeErrorListeners();
  }

  TokenStream tokenStream = new CommonTokenStream(lexer);
  P parser = parserFactory.apply(tokenStream);
  if (useBailErrorStrategy) {
    parser.setErrorHandler(new BailErrorStrategy());
  }
  if (removeErrorListeners) {
    parser.removeErrorListeners();
  }

  return parser;
}
项目：Compilador    文件：DescriptiveErrorListener.java    
@Override
public void syntaxError(Recognizer<?, ?> recognizer, Object offendingSymbol,
                        int line, int charPositionInLine,
                        String msg, RecognitionException e)
{


   List<String> stack = ((Parser)recognizer).getRuleInvocationStack(); Collections.reverse(stack);
    System.err.println("rule stack: "+stack);
    System.err.println("linea "+line+":"+charPositionInLine+" at "+
    offendingSymbol+": "+msg);
    String rule = "rule stack: "+stack;
    String mensaje = "linea "+line+":"+charPositionInLine+" at "+
    offendingSymbol+": "+msg + "\n\r";


   agregarLog("Un error inesperado ha ocurrido " +"\n" + mensaje, line, charPositionInLine,true);


}
项目：kalang    文件：AstBuilderFactory.java    
public static AstBuilder createAstBuilder(CompilationUnit source,TokenStream tokens){
    KalangParser p = new KalangParser(tokens);
    AstBuilder sp = new AstBuilder(source, p);
    p.setErrorHandler(new DefaultErrorStrategy() {

        @Override
        public void reportError(Parser recognizer, RecognitionException e) {
            String msg = AntlrErrorString.exceptionString(recognizer, e);
            Token end = e.getOffendingToken();
            Token start;
            RuleContext ctx = e.getCtx();
            if(ctx instanceof ParserRuleContext){
                start = ((ParserRuleContext) ctx).getStart();
            }else{
                start = end;
            }
            sp.getDiagnosisReporter().report(Diagnosis.Kind.ERROR, msg,start,end);
        }
    });
    return sp;
}
项目：kalang    文件：KalangCompiler.java    
@Override
public KalangParser createParser(CompilationUnit compilationUnit, CommonTokenStream tokenStream) {
    KalangParser parser = new KalangParser(tokenStream);
    parser.setErrorHandler(new DefaultErrorStrategy(){
        @Override
        public void reportError(Parser recognizer, RecognitionException e) {
            String msg = AntlrErrorString.exceptionString(recognizer, e);
            Diagnosis diagnosis = new Diagnosis(
                    compilationUnit.getCompileContext()
                    , Diagnosis.Kind.ERROR
                    , OffsetRangeHelper.getOffsetRange(e.getOffendingToken())
                    , msg
                    , compilationUnit.getSource()
            );
            diagnosisHandler.handleDiagnosis(diagnosis);
        }

    });
    return parser;
}
项目：codebuff    文件：LangDescriptor.java    
public LangDescriptor(String name,
                      String corpusDir,
                      String fileRegex,
                      Class<? extends Lexer> lexerClass,
                      Class<? extends Parser> parserClass,
                      String startRuleName,
                      int indentSize,
                      int singleLineCommentType)
{
    this.name = name;
    this.corpusDir = corpusDir;
    this.fileRegex = fileRegex;
    this.lexerClass = lexerClass;
    this.parserClass = parserClass;
    this.startRuleName = startRuleName;
    this.indentSize = indentSize;
    this.singleLineCommentType = singleLineCommentType;
}
项目：antlr-examples    文件：ParserUtil.java    
public static <L extends Lexer, P extends Parser> P newParser(
    Function<CharStream, L> lexerFactory,
    Function<TokenStream, P> parserFactory,
    String input,
    boolean useBailErrorStrategy,
    boolean removeErrorListeners) {
  CharStream charStream = new ANTLRInputStream(input);
  L lexer = lexerFactory.apply(charStream);
  if (removeErrorListeners) {
    lexer.removeErrorListeners();
  }

  TokenStream tokenStream = new CommonTokenStream(lexer);
  P parser = parserFactory.apply(tokenStream);
  if (useBailErrorStrategy) {
    parser.setErrorHandler(new BailErrorStrategy());
  }
  if (removeErrorListeners) {
    parser.removeErrorListeners();
  }

  return parser;
}
项目：mdetect    文件：ParseUtils.java    
public static Pair<Parser, Lexer> parsePHP(String filePath) {
    AntlrCaseInsensitiveFileStream input;
try {
    input = new AntlrCaseInsensitiveFileStream(filePath);
} catch (IOException e) {
    e.printStackTrace();
    return null;
}
      PHPLexer lexer = new PHPLexer(input);
      CommonTokenStream tokens = new CommonTokenStream(lexer);
      PHPParser parser = new InterruptablePHPParser(tokens, filePath);
      /* turn on prediction mode to speed up parsing */
      parser.getInterpreter().setPredictionMode(PredictionMode.SLL);
      Pair<Parser, Lexer> retval = new Pair<Parser, Lexer>(parser, lexer);
      return retval;
  }
项目：mdetect    文件：ParseUtils.java    
public static Document processFile(String filePath) {
    Pair<Parser, Lexer> pl = parsePHP(filePath);
    PHPParser parser = (PHPParser) pl.a;
    parser.setBuildParseTree(true);
    /* 
     * htmlDocument is the start rule (the top-level rule)
     * for the PHP grammar
     */
    ParserRuleContext tree =   parser.htmlDocument();
    List<String> ruleNames = Arrays.asList(parser.getRuleNames());
    Map<Integer, String> invTokenMap = getInvTokenMap(parser);
    TokenStream tokenStream = parser.getTokenStream();
    ParseTreeDOMSerializer ptSerializer = new ParseTreeDOMSerializer(ruleNames, invTokenMap, tokenStream);
    ParseTreeWalker.DEFAULT.walk(ptSerializer, tree);
    Document result= ptSerializer.getDOMDocument();
    return result;
}
项目：ksql    文件：KsqlParserErrorStrategy.java    
public void reportError(Parser recognizer, RecognitionException e) {
  if (!this.inErrorRecoveryMode(recognizer)) {
    this.beginErrorCondition(recognizer);
    if (e instanceof NoViableAltException) {
      this.reportNoViableAlternative(recognizer, (NoViableAltException) e);
    } else if (e instanceof InputMismatchException) {
      this.reportInputMismatch(recognizer, (InputMismatchException) e);
    } else if (e instanceof FailedPredicateException) {
      this.reportFailedPredicate(recognizer, (FailedPredicateException) e);
    } else {
      System.err.println("unknown recognition error type: " + e.getClass().getName());
      recognizer.notifyErrorListeners(e.getOffendingToken(), e.getMessage(), e);
    }

  }
}
项目：ksql    文件：KsqlParserErrorStrategy.java    
protected void reportNoViableAlternative(Parser recognizer, NoViableAltException e) {
  TokenStream tokens = recognizer.getInputStream();
  String input;
  if (tokens != null) {
    if (e.getStartToken().getType() == -1) {
      input = "<EOF>";
    } else {
      input = tokens.getText(e.getStartToken(), e.getOffendingToken());
    }
  } else {
    input = "<unknown input>";
  }

  String msg = "no viable alternative at input " + this.escapeWSAndQuote(input);
  recognizer.notifyErrorListeners(e.getOffendingToken(), msg, e);
}
项目：rapidminer-studio    文件：CapitulatingErrorStrategy.java    
@Override
protected void reportNoViableAlternative(Parser recognizer, NoViableAltException e) {
    // change error message from default implementation
    TokenStream tokens = recognizer.getInputStream();
    String input;
    if (tokens != null) {
        if (e.getStartToken().getType() == Token.EOF) {
            input = "the end";
        } else {
            input = escapeWSAndQuote(tokens.getText(e.getStartToken(), e.getOffendingToken()));
        }
    } else {
        input = escapeWSAndQuote("<unknown input>");
    }
    String msg = "inadmissible input at " + input;
    recognizer.notifyErrorListeners(e.getOffendingToken(), msg, e);
}
项目：development    文件：FWPolicyErrorStrategy.java    
/**
 * Make sure we don't attempt to recover inline; if the parser successfully
 * recovers, it won't throw an exception.
 */
@Override
public Token recoverInline(Parser recognizer) throws RecognitionException {
    InputMismatchException e = new InputMismatchException(recognizer);

    String policies = recognizer.getInputStream().getText();
    StringTokenizer tk = new StringTokenizer(policies, ";");
    String policy = "";
    int idx = 0;
    while (tk.hasMoreElements()) {
        policy = (String) tk.nextElement();
        idx += policy.length();
        if (idx >= e.getOffendingToken().getStartIndex()) {
            break;
        }
    }

    String message = Messages.get(Messages.DEFAULT_LOCALE,
            "error_invalid_firewallconfig", new Object[] {
                    e.getOffendingToken().getText(), policy });
    throw new RuntimeException(message);
}
项目：WAM    文件：RegisterAssigner.java    
private String regStr(ParseTree tree, Parser p){
    if(tree instanceof VariableContext){
        return preProcessor.getVarName(tree);
    } else if(tree instanceof PredicateContext){
        String functor = WAMTokenizer.predicateFunctor((PredicateContext)tree);
        if(tree.getChildCount()>1){
            functor += "(";
            ParseTree parenthesized = tree.getChild(1);
            ParseTree argseq = parenthesized.getChild(1);
            int nrArgs = ((argseq.getChildCount()-1)/2) + 1;
            for(int j = 0; j < nrArgs; j++){ 
                Integer child = getPrimeRegister(argseq.getChild(j*2).getChild(0));
                String childReg = child<0?("Y"+(child*-1)):"X"+(child+1);
                functor += childReg+(j!=(nrArgs-1)?",":"");
            }
            functor += ")";
        }
        return functor;
    }
    return " error ";
}
项目：StreamCQL    文件：CQLErrorStrategy.java    
/**
 * {@inheritDoc}
 */
@Override
public void reportNoViableAlternative(@NotNull Parser recognizer, @NotNull NoViableAltException e)
{
    TokenStream tokens = recognizer.getInputStream();
    String input;
    if (tokens instanceof TokenStream)
    {
        if (e.getStartToken().getType() == Token.EOF)
            input = "<EOF>";
        else
            input = getText(tokens, e.getStartToken(), e.getOffendingToken());
    }
    else
    {
        input = "<unknown input>";
    }
    String msg = "no viable alternative at input " + escapeWSAndQuote(input);
    recognizer.notifyErrorListeners(e.getOffendingToken(), msg, e);
}
项目：groovy    文件：DescriptiveErrorStrategy.java    
@Override
public void recover(Parser recognizer, RecognitionException e) {
    for (ParserRuleContext context = recognizer.getContext(); context != null; context = context.getParent()) {
        context.exception = e;
    }

    if (PredictionMode.LL.equals(recognizer.getInterpreter().getPredictionMode())) {
        if (e instanceof NoViableAltException) {
            this.reportNoViableAlternative(recognizer, (NoViableAltException) e);
        } else if (e instanceof InputMismatchException) {
            this.reportInputMismatch(recognizer, (InputMismatchException) e);
        } else if (e instanceof FailedPredicateException) {
            this.reportFailedPredicate(recognizer, (FailedPredicateException) e);
        }
    }

    throw new ParseCancellationException(e);
}
项目：infix    文件：FixRulesParserErrorListener.java    
/**
 * @see BaseErrorListener#reportAmbiguity
 */
@Override
public void syntaxError(Recognizer<?, ?> recognizer, Object offendingSymbol, int line,
    int charPositionInLine, String msg, RecognitionException e) {
    List<String> stack = ((Parser) recognizer).getRuleInvocationStack();
    Collections.reverse(stack);
    String logMsg = "Parser ERROR: line " + line + ":" + charPositionInLine + " at "
        + offendingSymbol + ": " + msg;
    CommonToken tok = (CommonToken) offendingSymbol;
    String s = tok.getText();
    logMsg += ": offending token " + s;
    if (s.equals("<EOF>")) {
        logMsg += ". Look for tag=(null or empty).";
    } else {
        try {
            Integer.parseInt(s);
        } catch (NumberFormatException ex) {
            logMsg += " not a number. ";
        }
    }
    FixRulesParserErrorListener.logger.error(logMsg + " Tree = {}", stack);
    throw new RuntimeException(logMsg);
}
项目：jetbrains    文件：ANTLRParseTreeToPSIConverter.java    
public ANTLRParseTreeToPSIConverter(Language language, Parser parser, PsiBuilder builder) {
    this.language = language;
    this.builder = builder;

    this.tokenElementTypes = PSIElementTypeFactory.getTokenIElementTypes(language);
    this.ruleElementTypes = PSIElementTypeFactory.getRuleIElementTypes(language);

    for (ANTLRErrorListener listener : parser.getErrorListeners()) {
        if (listener instanceof SyntaxErrorListener) {
            syntaxErrors = ((SyntaxErrorListener)listener).getSyntaxErrors();
            for (SyntaxError error : syntaxErrors) {
                // record first error per token
                int StartIndex = error.getOffendingSymbol().getStartIndex();
                if ( !tokenToErrorMap.containsKey(StartIndex) ) {
                    tokenToErrorMap.put(StartIndex, error);
                }
            }
        }
    }
}
项目：tosca    文件：SinkAntlrListener.java    
/**
 * Create an crsx ANTLR listener for CRSX4
 * @param factory
 * @param sink
 * @param prefix    Prefix to apply to constructor names
 * @param metachar  Language specific meta variable prefix
 * @param parser
 */
public SinkAntlrListener(org.transscript.runtime.Sink sink, String prefix, String metachar, Parser parser,
        Map<String, org.transscript.runtime.Variable> bounds)
{
    this.sink4 = sink;
    this.consCount = new ArrayDeque<>();
    this.ruleContext = new ArrayDeque<>();

    this.parser = parser;
    this.prefix = prefix;
    this.metachar = metachar;
    this.state = State.PARSE;
    this.sort = TokenSort.STRING;

    this.binderNames = new HashMap<>();
    this.bounds = new ArrayDeque<>();
    if (bounds != null)
        this.bounds.addAll(bounds.values());
    this.freshes = new ArrayDeque<>();

    this.embedCrsx4 = prefix.equals("Text4_") || prefix.equals("TransScript_");

    this.nilDesc = sink.context().lookupDescriptor("Nil");
    this.consDesc = sink.context().lookupDescriptor("Cons");

}
项目：goworks    文件：StatisticsParserATNSimulator.java    
public StatisticsParserATNSimulator(Parser parser, ATN atn) {
    super(parser, atn);
    decisionInvocations = new long[atn.decisionToState.size()];
    fullContextFallback = new long[atn.decisionToState.size()];
    nonSll = new long[atn.decisionToState.size()];
    ambiguousResult = new long[atn.decisionToState.size()];
    totalTransitions = new long[atn.decisionToState.size()];
    computedTransitions = new long[atn.decisionToState.size()];
    fullContextTransitions = new long[atn.decisionToState.size()];
    totalLookaheadSll = new long[atn.decisionToState.size()];
    totalLookaheadLl = new long[atn.decisionToState.size()];
    minLookaheadSll = new long[atn.decisionToState.size()];
    maxLookaheadSll = new long[atn.decisionToState.size()];
    minLookaheadLl = new long[atn.decisionToState.size()];
    maxLookaheadLl = new long[atn.decisionToState.size()];
    for (int i = 0; i < minLookaheadSll.length; i++) {
        minLookaheadSll[i] = Long.MAX_VALUE;
        minLookaheadLl[i] = Long.MAX_VALUE;
        maxLookaheadSll[i] = Long.MIN_VALUE;
        maxLookaheadLl[i] = Long.MIN_VALUE;
    }
}
项目：goworks    文件：GoCompletionQuery.java    
public static RuleContext getTopContext(Parser parser, RuleContext context, IntervalSet values, boolean checkTop) {
    if (checkTop && context instanceof ParserRuleContext) {
        if (values.contains(context.getRuleIndex())) {
            return context;
        }
    }

    if (context.isEmpty()) {
        return null;
    }

    if (values.contains(parser.getATN().states.get(context.invokingState).ruleIndex)) {
        return context.parent;
    }

    return getTopContext(parser, context.parent, values, false);
}
项目：goworks    文件：AbstractForestParser.java    
@Override
public Map<RuleContext, CaretReachedException> getParseTrees(TParser parser) {
    List<MultipleDecisionData> potentialAlternatives = new ArrayList<>();
    IntegerList currentPath = new IntegerList();
    Map<RuleContext, CaretReachedException> results = new IdentityHashMap<>();
    // make sure the token stream is initialized before getting the index
    parser.getInputStream().LA(1);
    int initialToken = parser.getInputStream().index();
    while (true) {
        parser.getInputStream().seek(initialToken);
        tryParse(parser, potentialAlternatives, currentPath, results);
        if (!incrementCurrentPath(potentialAlternatives, currentPath)) {
            break;
        }
    }

    LOGGER.log(Level.FINE, "Forest parser constructed {0} parse trees.", results.size());

    if (LOGGER.isLoggable(Level.FINEST)) {
        for (Map.Entry<RuleContext, CaretReachedException> entry : results.entrySet()) {
            LOGGER.log(Level.FINEST, entry.getKey().toStringTree(parser instanceof Parser ? (Parser)parser : null));
        }
    }

    return results;
}
项目：goworks    文件：CodeCompletionErrorStrategy.java    
@Override
    public void recover(Parser recognizer, RecognitionException e) {
        if (recognizer instanceof CodeCompletionParser
            && ((CodeCompletionParser)recognizer).getInterpreter().getCaretTransitions() != null) {

//                    int stateNumber = recognizer.getContext().s;
//                    ATNState state = recognizer.getATN().states.get(stateNumber);
//                    if (state instanceof DecisionState && recognizer.getInputStream() instanceof ObjectStream) {
//                        int decision = ((DecisionState)state).decision;
//                        ParserATNSimulator simulator = recognizer.getInterpreter();
//                        int prediction = simulator.adaptivePredict((ObjectStream)recognizer.getInputStream(), decision, recognizer.getContext());
//                    }

            CodeCompletionParser parser = (CodeCompletionParser)recognizer;
            CaretToken token = parser.getInterpreter().getCaretToken();
            AbstractCompletionParserATNSimulator interpreter = parser.getInterpreter();

            throw new CaretReachedException(parser.getContext(), token, interpreter.getCaretTransitions(), e);
        }

        // TODO: incorporate error recovery as a fallback option if no trees match correctly
        throw e;
        //super.recover(recognizer, e);
    }
项目：criteria    文件：ThrowExceptionErrorListener.java    
@Override
public final void syntaxError(final Recognizer<?, ?> recognizer,
    final Object offendingSymbol, final int line,
    final int charPositionInLine, final String msg,
    final RecognitionException e) {
  String input;
  if (recognizer instanceof Lexer) {
    final CharStream cs = ((Lexer) recognizer).getInputStream();
    input = cs.getText(new Interval(0, cs.size()));
  } else if (recognizer instanceof Parser) {
    final TokenStream tokens = ((Parser) recognizer).getInputStream();
    if (tokens != null) {
      input = tokens.getText();
    } else {
      input = "<unknown input>";
    }
  } else {
    input = "<unknown input>";
  }
  throw new AntlrParseException(input, line, charPositionInLine, msg);
}
项目：antlr-denter    文件：ParserUtils.java    
public static <P extends Parser> P getParser(Class<? extends Lexer> lexerClass, Class<P> parserClass, String source) {
  Lexer lexer = getLexer(lexerClass, source);
  TokenStream tokens = new CommonTokenStream(lexer);

  P parser;
  try {
    parser = parserClass.getConstructor(TokenStream.class).newInstance(tokens);
  } catch (Exception e) {
    throw new IllegalArgumentException("couldn't invoke parser constructor", e);
  }
  parser.getInterpreter().setPredictionMode(PredictionMode.LL_EXACT_AMBIG_DETECTION);
  parser.removeErrorListeners(); // don't spit to stderr
  parser.addErrorListener(new DiagnosticErrorListener());
  parser.addErrorListener(new AntlrFailureListener());

  return parser;
}
项目：intellij-plugin-v4    文件：RefactorUtils.java    
public static TerminalNode getRuleDefNameNode(Parser parser, ParseTree tree, String ruleName) {
    Collection<ParseTree> ruleDefRuleNodes;
    if ( Grammar.isTokenName(ruleName) ) {
        ruleDefRuleNodes = XPath.findAll(tree, "//lexerRule/TOKEN_REF", parser);
    }
    else {
        ruleDefRuleNodes = XPath.findAll(tree, "//parserRuleSpec/RULE_REF", parser);
    }
    for (ParseTree node : ruleDefRuleNodes) {
        String r = node.getText(); // always a TerminalNode; just get rule name of this def
        if ( r.equals(ruleName) ) {
            return (TerminalNode)node;
        }
    }
    return null;
}
项目：intellij-plugin-v4    文件：RefactorUtils.java    
public static List<TerminalNode> getAllRuleRefNodes(Parser parser, ParseTree tree, String ruleName) {
    List<TerminalNode> nodes = new ArrayList<TerminalNode>();
    Collection<ParseTree> ruleRefs;
    if ( Grammar.isTokenName(ruleName) ) {
        ruleRefs = XPath.findAll(tree, "//lexerRuleBlock//TOKEN_REF", parser);
    }
    else {
        ruleRefs = XPath.findAll(tree, "//ruleBlock//RULE_REF", parser);
    }
    for (ParseTree node : ruleRefs) {
        TerminalNode terminal = (TerminalNode)node;
        Token rrefToken = terminal.getSymbol();
        String r = rrefToken.getText();
        if ( r.equals(ruleName) ) {
            nodes.add(terminal);
        }
    }
    if ( nodes.size()==0 ) return null;
    return nodes;
}
项目：intellij-plugin-v4    文件：AstBuilderListener.java    
public AstBuilderListener(Language language, Parser parser, PsiBuilder builder) {
    this.language = language;
    this.builder = builder;

    this.tokenElementTypes = PSIElementTypeFactory.getTokenIElementTypes(language, Arrays.asList(parser.getTokenNames()));
    this.ruleElementTypes = PSIElementTypeFactory.getRuleIElementTypes(language, Arrays.asList(parser.getRuleNames()));

    for (ANTLRErrorListener listener : parser.getErrorListeners()) {
        if (listener instanceof SyntaxErrorListener) {
            syntaxErrors.addAll(((SyntaxErrorListener)listener).getSyntaxErrors());
        }
    }

    Collections.sort(syntaxErrors, new Comparator<SyntaxError>() {

        @Override
        public int compare(SyntaxError o1, SyntaxError o2) {
            return Integer.valueOf(getStart(o1)).compareTo(getStart(o2));
        }
    });
}
项目：antlrworks2    文件：StatisticsParserATNSimulator.java    
public StatisticsParserATNSimulator(Parser parser, ATN atn) {
    super(parser, atn);
    decisionInvocations = new long[atn.decisionToState.size()];
    decisionCost = new long[atn.decisionToState.size()];
    decisionLlCost = new long[atn.decisionToState.size()];
    fullContextFallback = new long[atn.decisionToState.size()];
    nonSll = new long[atn.decisionToState.size()];
    ambiguousResult = new long[atn.decisionToState.size()];
    totalTransitions = new long[atn.decisionToState.size()];
    computedTransitions = new long[atn.decisionToState.size()];
    fullContextTransitions = new long[atn.decisionToState.size()];
    totalLookaheadSll = new long[atn.decisionToState.size()];
    totalLookaheadLl = new long[atn.decisionToState.size()];
    minLookaheadSll = new long[atn.decisionToState.size()];
    maxLookaheadSll = new long[atn.decisionToState.size()];
    minLookaheadLl = new long[atn.decisionToState.size()];
    maxLookaheadLl = new long[atn.decisionToState.size()];
    for (int i = 0; i < minLookaheadSll.length; i++) {
        minLookaheadSll[i] = Long.MAX_VALUE;
        minLookaheadLl[i] = Long.MAX_VALUE;
        maxLookaheadSll[i] = Long.MIN_VALUE;
        maxLookaheadLl[i] = Long.MIN_VALUE;
    }
}
项目：antlrworks2    文件：AbstractForestParser.java    
@Override
public Map<RuleContext, CaretReachedException> getParseTrees(TParser parser) {
    List<MultipleDecisionData> potentialAlternatives = new ArrayList<>();
    IntegerList currentPath = new IntegerList();
    Map<RuleContext, CaretReachedException> results = new IdentityHashMap<>();
    // make sure the token stream is initialized before getting the index
    parser.getInputStream().LA(1);
    int initialToken = parser.getInputStream().index();
    while (true) {
        parser.getInputStream().seek(initialToken);
        tryParse(parser, potentialAlternatives, currentPath, results);
        if (!incrementCurrentPath(potentialAlternatives, currentPath)) {
            break;
        }
    }

    LOGGER.log(Level.FINE, "Forest parser constructed {0} parse trees.", results.size());

    if (LOGGER.isLoggable(Level.FINEST)) {
        for (Map.Entry<RuleContext, CaretReachedException> entry : results.entrySet()) {
            LOGGER.log(Level.FINEST, entry.getKey().toStringTree(parser instanceof Parser ? (Parser)parser : null));
        }
    }

    return results;
}
项目：antlrworks2    文件：CodeCompletionErrorStrategy.java    
@Override
    public void recover(Parser recognizer, RecognitionException e) {
        if (recognizer instanceof CodeCompletionParser
            && ((CodeCompletionParser)recognizer).getInterpreter().getCaretTransitions() != null) {

//                    int stateNumber = recognizer.getContext().s;
//                    ATNState state = recognizer.getATN().states.get(stateNumber);
//                    if (state instanceof DecisionState && recognizer.getInputStream() instanceof ObjectStream) {
//                        int decision = ((DecisionState)state).decision;
//                        ParserATNSimulator simulator = recognizer.getInterpreter();
//                        int prediction = simulator.adaptivePredict((ObjectStream)recognizer.getInputStream(), decision, recognizer.getContext());
//                    }

            CodeCompletionParser parser = (CodeCompletionParser)recognizer;
            CaretToken token = parser.getInterpreter().getCaretToken();
            AbstractCompletionParserATNSimulator interpreter = parser.getInterpreter();

            throw new CaretReachedException(parser.getContext(), token, interpreter.getCaretTransitions(), e);
        }

        // TODO: incorporate error recovery as a fallback option if no trees match correctly
        throw e;
        //super.recover(recognizer, e);
    }
项目：beetl2.0    文件：BeetlAntlrErrorStrategy.java    
/** Make sure we don't attempt to recover inline; if the parser
    * successfully recovers, it won't throw an exception.
    */
    @Override
    public Token recoverInline(Parser recognizer) throws RecognitionException
    {
        // SINGLE TOKEN DELETION
        Token matchedSymbol = singleTokenDeletion(recognizer);
        if (matchedSymbol != null)
        {
            // we have deleted the extra token.
            // now, move past ttype token as if all were ok
            recognizer.consume();
            return matchedSymbol;
        }

        // SINGLE TOKEN INSERTION
        if (singleTokenInsertion(recognizer))
        {
            return getMissingSymbol(recognizer);
        }

//      BeetlException exception = new BeetlParserException(BeetlException.PARSER_MISS_ERROR);
//      exception.pushToken(this.getGrammarToken(recognizer.getCurrentToken()));
//      throw exception;
        throw new InputMismatchException(recognizer);
    }
项目：beetl2.0    文件：BeetlAntlrErrorStrategy.java    
protected void reportUnwantedToken(@NotNull Parser recognizer)
{
    if (inErrorRecoveryMode(recognizer))
    {
        return;
    }

    beginErrorCondition(recognizer);

    Token t = recognizer.getCurrentToken();
    String tokenName = getTokenErrorDisplay(t);
    IntervalSet expecting = getExpectedTokens(recognizer);
    String msg = "多余输入 " + tokenName + " 期望 " + expecting.toString(recognizer.getTokenNames());
    BeetlException exception = new BeetlParserException(BeetlException.PARSER_MISS_ERROR, msg);
    //      exception.token = this.getGrammarToken(t);
    exception.pushToken(this.getGrammarToken(t));
    throw exception;
}
项目：rapidminer    文件：CapitulatingErrorStrategy.java    
@Override
protected void reportUnwantedToken(Parser recognizer) {
    // change error message from default implementation
    if (inErrorRecoveryMode(recognizer)) {
        return;
    }

    beginErrorCondition(recognizer);

    Token t = recognizer.getCurrentToken();
    String tokenName = getTokenErrorDisplay(t);
    String msg = "extraneous input " + tokenName + " expecting operator";
    recognizer.notifyErrorListeners(t, msg, null);
}
项目：elasticsearch_my    文件：ParserErrorStrategy.java    
@Override
public Token recoverInline(final Parser recognizer) throws RecognitionException {
    final Token token = recognizer.getCurrentToken();
    final String message = "unexpected token [" + getTokenErrorDisplay(token) + "]" +
        " was expecting one of [" + recognizer.getExpectedTokens().toString(recognizer.getVocabulary()) + "].";

    Location location = new Location(sourceName, token.getStartIndex());
    throw location.createError(new IllegalArgumentException(message));
}
项目：digraph-parser    文件：GraphParser.java    
@Override
public void reportAmbiguity(@NotNull Parser recognizer,
                            @NotNull DFA dfa,
                            int startIndex,
                            int stopIndex,
                            boolean exact,
                            @Nullable BitSet ambigAlts,
                            @NotNull ATNConfigSet configs)
{
}