org.antlr.runtime.EarlyExitException Java Examples

The following examples show how to use org.antlr.runtime.EarlyExitException. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example #1

Source File: RecognizerErrorHandler.java From legstar-core2 with GNU Affero General Public License v3.0

5 votes

/**
 * Simplify error message text for end users.
 * @param e exception that occurred
 * @param msg as formatted by ANTLR
 * @return a more readable error message
 */
public static String makeUserMsg(final RecognitionException e, final String msg) {
    if (e instanceof NoViableAltException) {
        return msg.replace("no viable alternative at", "unrecognized");
    } else if (e instanceof UnwantedTokenException) {
        return msg.replace("extraneous input", "unexpected token");
    } else if (e instanceof MismatchedTokenException) {
        if (msg.contains("mismatched input '<EOF>'")) {
            return msg.replace("mismatched input '<EOF>' expecting", "reached end of file looking for");
        } else {
            return msg.replace("mismatched input", "unexpected token");
        }
    } else if (e instanceof EarlyExitException) {
        return msg.replace("required (...)+ loop did not match anything", "required tokens not found");
    } else if (e instanceof FailedPredicateException) {
        if (msg.contains("picture_string failed predicate: {Unbalanced parentheses}")) {
            return "Unbalanced parentheses in picture string";
        }
        if (msg.contains("PICTURE_PART failed predicate: {Contains invalid picture symbols}")) {
            return "Picture string contains invalid symbols";
        }
        if (msg.contains("PICTURE_PART failed predicate: {Syntax error in last picture clause}")) {
            return "Syntax error in last picture clause";
        }
        if (msg.contains("DATA_NAME failed predicate: {Syntax error in last clause}")) {
            return "Syntax error in last COBOL clause";
        }
    }
    return msg;
}

Example #2

Source File: RecognizerErrorHandler.java From legstar-core2 with GNU Affero General Public License v3.0

5 votes

/**
 * Format an error message as expected by ANTLR. It is basically the
 * same error message that ANTL BaseRecognizer generates with some
 * additional data.
 * Also used to log debugging information.
 * @param log the logger to use at debug time
 * @param recognizer the lexer or parser who generated the error
 * @param e the exception that occured
 * @param superMessage the error message that the super class generated
 * @param tokenNames list of token names
 * @return a formatted error message
 */
public static String getErrorMessage(
        final Logger log,
        final BaseRecognizer recognizer,
        final RecognitionException e,
        final String superMessage,
        final String[] tokenNames) {
    if (log.isDebugEnabled()) {
        List < ? > stack = BaseRecognizer.getRuleInvocationStack(
                e, recognizer.getClass().getSuperclass().getName());
        String debugMsg = recognizer.getErrorHeader(e)
            + " " + e.getClass().getSimpleName()
            + ": " + superMessage
            + ":";
        if (e instanceof NoViableAltException) {
            NoViableAltException nvae = (NoViableAltException) e;
            debugMsg += " (decision=" + nvae.decisionNumber
            + " state=" + nvae.stateNumber + ")"
            + " decision=<<" + nvae.grammarDecisionDescription + ">>";
        } else if (e instanceof UnwantedTokenException) {
            UnwantedTokenException ute = (UnwantedTokenException) e;
            debugMsg += " (unexpected token=" + toString(ute.getUnexpectedToken(), tokenNames) + ")";

        } else if (e instanceof EarlyExitException) {
            EarlyExitException eea = (EarlyExitException) e;
            debugMsg += " (decision=" + eea.decisionNumber + ")";
        }
        debugMsg += " ruleStack=" + stack.toString();
        log.debug(debugMsg);
    }

    return makeUserMsg(e, superMessage);
}

Example #3

Source File: JavaLexer.java From kogito-runtimes with Apache License 2.0

5 votes

public final void mUnderscores() throws RecognitionException {
	try {
		// src/main/resources/org/drools/compiler/semantics/java/parser/Java.g:1335:12: ( ( '_' )+ )
		// src/main/resources/org/drools/compiler/semantics/java/parser/Java.g:1335:14: ( '_' )+
		{
		// src/main/resources/org/drools/compiler/semantics/java/parser/Java.g:1335:14: ( '_' )+
		int cnt19=0;
		loop19:
		while (true) {
			int alt19=2;
			int LA19_0 = input.LA(1);
			if ( (LA19_0=='_') ) {
				alt19=1;
			}

			switch (alt19) {
			case 1 :
				// src/main/resources/org/drools/compiler/semantics/java/parser/Java.g:1335:14: '_'
				{
				match('_'); 
				}
				break;

			default :
				if ( cnt19 >= 1 ) break loop19;
				EarlyExitException eee = new EarlyExitException(19, input);
				throw eee;
			}
			cnt19++;
		}

		}

	}
	finally {
		// do for sure before leaving
	}
}

Example #4

Source File: ConditionLexer.java From binnavi with Apache License 2.0

4 votes

public final void mNUMBER() throws RecognitionException {
  try {
    final int _type = NUMBER;
    final int _channel = DEFAULT_TOKEN_CHANNEL;
    // C:\\Dokumente und
    // Einstellungen\\sp\\workspace\\com.google.security.zynamics.binnavi-Trunk\\src\\com.google.security.zynamics.binnavi\\parsers\\BreakpointCondition\\Condition.g:32:9:
    // ( ( DIGIT )+ )
    // C:\\Dokumente und
    // Einstellungen\\sp\\workspace\\com.google.security.zynamics.binnavi-Trunk\\src\\com.google.security.zynamics.binnavi\\parsers\\BreakpointCondition\\Condition.g:32:11:
    // ( DIGIT )+
    {
      // C:\\Dokumente und
      // Einstellungen\\sp\\workspace\\com.google.security.zynamics.binnavi-Trunk\\src\\com.google.security.zynamics.binnavi\\parsers\\BreakpointCondition\\Condition.g:32:11:
      // ( DIGIT )+
      int cnt1 = 0;
      loop1: do {
        int alt1 = 2;
        final int LA1_0 = input.LA(1);

        if (((LA1_0 >= '0' && LA1_0 <= '9'))) {
          alt1 = 1;
        }


        switch (alt1) {
          case 1:
          // C:\\Dokumente und
          // Einstellungen\\sp\\workspace\\com.google.security.zynamics.binnavi-Trunk\\src\\com.google.security.zynamics.binnavi\\parsers\\BreakpointCondition\\Condition.g:32:11:
          // DIGIT
          {
            mDIGIT();

          }
            break;

          default:
            if (cnt1 >= 1) {
              break loop1;
            }
            final EarlyExitException eee = new EarlyExitException(1, input);
            throw eee;
        }
        cnt1++;
      } while (true);


    }

    state.type = _type;
    state.channel = _channel;
  } finally {
  }
}

Example #5

Source File: QueryFilterLexer.java From usergrid with Apache License 2.0

4 votes

public final void mWS() throws RecognitionException {
    try {
        int _type = WS;
        int _channel = DEFAULT_TOKEN_CHANNEL;
        // org/usergrid/persistence/query/QueryFilter.g:99:4: ( ( ' ' | '\\t' | '\\n' | '\\r' | '\\f' )+ )
        // org/usergrid/persistence/query/QueryFilter.g:99:6: ( ' ' | '\\t' | '\\n' | '\\r' | '\\f' )+
        {
            // org/usergrid/persistence/query/QueryFilter.g:99:6: ( ' ' | '\\t' | '\\n' | '\\r' | '\\f' )+
            int cnt18 = 0;
            loop18:
            do {
                int alt18 = 2;
                int LA18_0 = input.LA( 1 );

                if ( ( ( LA18_0 >= '\t' && LA18_0 <= '\n' ) || ( LA18_0 >= '\f' && LA18_0 <= '\r' )
                        || LA18_0 == ' ' ) ) {
                    alt18 = 1;
                }


                switch ( alt18 ) {
                    case 1:
                        // org/usergrid/persistence/query/QueryFilter.g:
                    {
                        if ( ( input.LA( 1 ) >= '\t' && input.LA( 1 ) <= '\n' ) || ( input.LA( 1 ) >= '\f'
                                && input.LA( 1 ) <= '\r' ) || input.LA( 1 ) == ' ' ) {
                            input.consume();
                        }
                        else {
                            MismatchedSetException mse = new MismatchedSetException( null, input );
                            recover( mse );
                            throw mse;
                        }
                    }
                    break;

                    default:
                        if ( cnt18 >= 1 ) {
                            break loop18;
                        }
                        EarlyExitException eee = new EarlyExitException( 18, input );
                        throw eee;
                }
                cnt18++;
            }
            while ( true );

            _channel = HIDDEN;
        }

        state.type = _type;
        state.channel = _channel;
    }
    finally {
    }
}

Example #6

Source File: QueryFilterLexer.java From usergrid with Apache License 2.0

4 votes

public final void mINT() throws RecognitionException {
    try {
        int _type = INT;
        int _channel = DEFAULT_TOKEN_CHANNEL;
        // org/usergrid/persistence/query/QueryFilter.g:48:5: ( ( '-' )? ( '0' .. '9' )+ )
        // org/usergrid/persistence/query/QueryFilter.g:48:7: ( '-' )? ( '0' .. '9' )+
        {
            // org/usergrid/persistence/query/QueryFilter.g:48:7: ( '-' )?
            int alt2 = 2;
            int LA2_0 = input.LA( 1 );

            if ( ( LA2_0 == '-' ) ) {
                alt2 = 1;
            }
            switch ( alt2 ) {
                case 1:
                    // org/usergrid/persistence/query/QueryFilter.g:48:8: '-'
                {
                    match( '-' );
                }
                break;
            }

            // org/usergrid/persistence/query/QueryFilter.g:48:14: ( '0' .. '9' )+
            int cnt3 = 0;
            loop3:
            do {
                int alt3 = 2;
                int LA3_0 = input.LA( 1 );

                if ( ( ( LA3_0 >= '0' && LA3_0 <= '9' ) ) ) {
                    alt3 = 1;
                }


                switch ( alt3 ) {
                    case 1:
                        // org/usergrid/persistence/query/QueryFilter.g:48:14: '0' .. '9'
                    {
                        matchRange( '0', '9' );
                    }
                    break;

                    default:
                        if ( cnt3 >= 1 ) {
                            break loop3;
                        }
                        EarlyExitException eee = new EarlyExitException( 3, input );
                        throw eee;
                }
                cnt3++;
            }
            while ( true );
        }

        state.type = _type;
        state.channel = _channel;
    }
    finally {
    }
}

Example #7

Source File: CFMLLexer.java From openbd-core with GNU General Public License v3.0

4 votes

public final void mINTEGER_LITERAL() throws RecognitionException {
    try {
        int _type = INTEGER_LITERAL;
        int _channel = DEFAULT_TOKEN_CHANNEL;
        // E:\\BlueDragon\\OpenBD_ANTLR\\src\\com\\naryx\\tagfusion\\cfm\\parser\\CFML.g:331:3: ( ( DecimalDigit )+ )
        // E:\\BlueDragon\\OpenBD_ANTLR\\src\\com\\naryx\\tagfusion\\cfm\\parser\\CFML.g:331:5: ( DecimalDigit )+
        {
        // E:\\BlueDragon\\OpenBD_ANTLR\\src\\com\\naryx\\tagfusion\\cfm\\parser\\CFML.g:331:5: ( DecimalDigit )+
        int cnt13=0;
        loop13:
        do {
            int alt13=2;
            int LA13_0 = input.LA(1);

            if ( ((LA13_0>='0' && LA13_0<='9')) ) {
                alt13=1;
            }


            switch (alt13) {
        	case 1 :
        	    // E:\\BlueDragon\\OpenBD_ANTLR\\src\\com\\naryx\\tagfusion\\cfm\\parser\\CFML.g:331:5: DecimalDigit
        	    {
        	    mDecimalDigit(); 

        	    }
        	    break;

        	default :
        	    if ( cnt13 >= 1 ) break loop13;
                    EarlyExitException eee =
                        new EarlyExitException(13, input);
                    throw eee;
            }
            cnt13++;
        } while (true);


        }

        state.type = _type;
        state.channel = _channel;
    }
    finally {
    }
}

Example #8

Source File: CFMLLexer.java From openbd-core with GNU General Public License v3.0

4 votes

public final void mWS() throws RecognitionException {
    try {
        int _type = WS;
        int _channel = DEFAULT_TOKEN_CHANNEL;
        // E:\\BlueDragon\\OpenBD_ANTLR\\src\\com\\naryx\\tagfusion\\cfm\\parser\\CFML.g:153:4: ( ( ' ' | '\\t' | '\\n' | '\\r' | '\\f' )+ )
        // E:\\BlueDragon\\OpenBD_ANTLR\\src\\com\\naryx\\tagfusion\\cfm\\parser\\CFML.g:153:6: ( ' ' | '\\t' | '\\n' | '\\r' | '\\f' )+
        {
        // E:\\BlueDragon\\OpenBD_ANTLR\\src\\com\\naryx\\tagfusion\\cfm\\parser\\CFML.g:153:6: ( ' ' | '\\t' | '\\n' | '\\r' | '\\f' )+
        int cnt1=0;
        loop1:
        do {
            int alt1=2;
            int LA1_0 = input.LA(1);

            if ( ((LA1_0>='\t' && LA1_0<='\n')||(LA1_0>='\f' && LA1_0<='\r')||LA1_0==' ') ) {
                alt1=1;
            }


            switch (alt1) {
        	case 1 :
        	    // E:\\BlueDragon\\OpenBD_ANTLR\\src\\com\\naryx\\tagfusion\\cfm\\parser\\CFML.g:
        	    {
        	    if ( (input.LA(1)>='\t' && input.LA(1)<='\n')||(input.LA(1)>='\f' && input.LA(1)<='\r')||input.LA(1)==' ' ) {
        	        input.consume();

        	    }
        	    else {
        	        MismatchedSetException mse = new MismatchedSetException(null,input);
        	        recover(mse);
        	        throw mse;}


        	    }
        	    break;

        	default :
        	    if ( cnt1 >= 1 ) break loop1;
                    EarlyExitException eee =
                        new EarlyExitException(1, input);
                    throw eee;
            }
            cnt1++;
        } while (true);

        _channel=HIDDEN;

        }

        state.type = _type;
        state.channel = _channel;
    }
    finally {
    }
}

Example #9

Source File: InternalTaxonomyLexer.java From slr-toolkit with Eclipse Public License 1.0

4 votes

public final void mRULE_WS() throws RecognitionException {
    try {
        int _type = RULE_WS;
        int _channel = DEFAULT_TOKEN_CHANNEL;
        // InternalTaxonomy.g:218:9: ( ( ' ' | '\\t' )+ )
        // InternalTaxonomy.g:218:11: ( ' ' | '\\t' )+
        {
        // InternalTaxonomy.g:218:11: ( ' ' | '\\t' )+
        int cnt2=0;
        loop2:
        do {
            int alt2=2;
            int LA2_0 = input.LA(1);

            if ( (LA2_0=='\t'||LA2_0==' ') ) {
                alt2=1;
            }


            switch (alt2) {
        	case 1 :
        	    // InternalTaxonomy.g:
        	    {
        	    if ( input.LA(1)=='\t'||input.LA(1)==' ' ) {
        	        input.consume();

        	    }
        	    else {
        	        MismatchedSetException mse = new MismatchedSetException(null,input);
        	        recover(mse);
        	        throw mse;}


        	    }
        	    break;

        	default :
        	    if ( cnt2 >= 1 ) break loop2;
                    EarlyExitException eee =
                        new EarlyExitException(2, input);
                    throw eee;
            }
            cnt2++;
        } while (true);


        }

        state.type = _type;
        state.channel = _channel;
    }
    finally {
    }
}

Example #10

Source File: InternalTaxonomyLexer.java From slr-toolkit with Eclipse Public License 1.0

4 votes

public final void mRULE_WS() throws RecognitionException {
    try {
        int _type = RULE_WS;
        int _channel = DEFAULT_TOKEN_CHANNEL;
        // InternalTaxonomy.g:604:9: ( ( ' ' | '\\t' )+ )
        // InternalTaxonomy.g:604:11: ( ' ' | '\\t' )+
        {
        // InternalTaxonomy.g:604:11: ( ' ' | '\\t' )+
        int cnt2=0;
        loop2:
        do {
            int alt2=2;
            int LA2_0 = input.LA(1);

            if ( (LA2_0=='\t'||LA2_0==' ') ) {
                alt2=1;
            }


            switch (alt2) {
        	case 1 :
        	    // InternalTaxonomy.g:
        	    {
        	    if ( input.LA(1)=='\t'||input.LA(1)==' ' ) {
        	        input.consume();

        	    }
        	    else {
        	        MismatchedSetException mse = new MismatchedSetException(null,input);
        	        recover(mse);
        	        throw mse;}


        	    }
        	    break;

        	default :
        	    if ( cnt2 >= 1 ) break loop2;
                    EarlyExitException eee =
                        new EarlyExitException(2, input);
                    throw eee;
            }
            cnt2++;
        } while (true);


        }

        state.type = _type;
        state.channel = _channel;
    }
    finally {
    }
}

Example #11