/** \file
 *  This OBJC source file was generated by $ANTLR version ${project.version} ${buildNumber}
 *
 *     -  From the grammar source file : Lang.g
 *     -                            On : 2011-05-06 17:38:52
 *     -                 for the lexer : LangLexerLexer
 *
 * Editing it, at least manually, is not wise.
 *
 * ObjC language generator and runtime by Alan Condit, acondit|hereisanat|ipns|dotgoeshere|com.
 *
 *
*/
// $ANTLR ${project.version} ${buildNumber} Lang.g 2011-05-06 17:38:52


/* -----------------------------------------
 * Include the ANTLR3 generated header file.
 */
#import "LangLexer.h"
/* ----------------------------------------- */


/* ============================================================================= */
/* =============================================================================
 * Start of recognizer
 */

/** As per Terence: No returns for lexer rules! */
@implementation LangLexer // line 330

+ (void) initialize
{
    [ANTLRBaseRecognizer setGrammarFileName:@"Lang.g"];
}

+ (NSString *) tokenNameForType:(NSInteger)aTokenType
{
    return [[self getTokenNames] objectAtIndex:aTokenType];
}

+ (LangLexer *)newLangLexerWithCharStream:(id<ANTLRCharStream>)anInput
{
    return [[LangLexer alloc] initWithCharStream:anInput];
}

- (id) initWithCharStream:(id<ANTLRCharStream>)anInput
{
    self = [super initWithCharStream:anInput State:[[ANTLRRecognizerSharedState newANTLRRecognizerSharedStateWithRuleLen:7+1] retain]];
    if ( self != nil ) {
    }
    return self;
}

- (void) dealloc
{
    [super dealloc];
}

/* ObjC Start of actions.lexer.methods */
/* ObjC end of actions.lexer.methods */
/* ObjC start methods() */
/* ObjC end methods() */

/* Start of Rules */
// $ANTLR start "T__10"
- (void) mT__10
{
    //
    /* my ruleScopeSetUp */
    /* Terence's stuff */

    @try {
        NSInteger _type = T__10;
        NSInteger _channel = ANTLRTokenChannelDefault;
        // Lang.g:7:7: ( ';' ) // ruleBlockSingleAlt
        // Lang.g:7:9: ';' // alt
        {
        [self matchChar:';']; 


        }

        // token+rule list labels

        state.type = _type;
        state.channel = _channel;
    }
    @finally {
        //
        /* Terence's stuff */

    }
    return;
}
/* $ANTLR end "T__10" */

// $ANTLR start "INTTYPE"
- (void) mINTTYPE
{
    //
    /* my ruleScopeSetUp */
    /* Terence's stuff */

    @try {
        NSInteger _type = INTTYPE;
        NSInteger _channel = ANTLRTokenChannelDefault;
        // Lang.g:18:9: ( 'int' ) // ruleBlockSingleAlt
        // Lang.g:18:11: 'int' // alt
        {
        [self matchString:@"int"]; 


        }

        // token+rule list labels

        state.type = _type;
        state.channel = _channel;
    }
    @finally {
        //
        /* Terence's stuff */

    }
    return;
}
/* $ANTLR end "INTTYPE" */

// $ANTLR start "FLOATTYPE"
- (void) mFLOATTYPE
{
    //
    /* my ruleScopeSetUp */
    /* Terence's stuff */

    @try {
        NSInteger _type = FLOATTYPE;
        NSInteger _channel = ANTLRTokenChannelDefault;
        // Lang.g:19:11: ( 'float' ) // ruleBlockSingleAlt
        // Lang.g:19:13: 'float' // alt
        {
        [self matchString:@"float"]; 


        }

        // token+rule list labels

        state.type = _type;
        state.channel = _channel;
    }
    @finally {
        //
        /* Terence's stuff */

    }
    return;
}
/* $ANTLR end "FLOATTYPE" */

// $ANTLR start "ID"
- (void) mID
{
    //
    /* my ruleScopeSetUp */
    /* Terence's stuff */

    @try {
        NSInteger _type = ID;
        NSInteger _channel = ANTLRTokenChannelDefault;
        // Lang.g:20:4: ( ( 'a' .. 'z' )+ ) // ruleBlockSingleAlt
        // Lang.g:20:6: ( 'a' .. 'z' )+ // alt
        {
        // Lang.g:20:6: ( 'a' .. 'z' )+ // positiveClosureBlock
        NSInteger cnt1 = 0;
        do {
            NSInteger alt1 = 2;
            NSInteger LA1_0 = [input LA:1];
            if ( ((LA1_0 >= 'a' && LA1_0 <= 'z')) ) {
                alt1=1;
            }


            switch (alt1) {
                case 1 : ;
                    // Lang.g: // alt
                    {
                    if ((([input LA:1] >= 'a') && ([input LA:1] <= 'z'))) {
                        [input consume];
                    } else {
                        ANTLRMismatchedSetException *mse = [ANTLRMismatchedSetException newException:nil stream:input];
                        [self recover:mse];
                        @throw mse;
                    }


                    }
                    break;

                default :
                    if ( cnt1 >= 1 )
                        goto loop1;
                    ANTLREarlyExitException *eee =
                        [ANTLREarlyExitException newException:input decisionNumber:1];
                    @throw eee;
            }
            cnt1++;
        } while (YES);
        loop1: ;


        }

        // token+rule list labels

        state.type = _type;
        state.channel = _channel;
    }
    @finally {
        //
        /* Terence's stuff */

    }
    return;
}
/* $ANTLR end "ID" */

// $ANTLR start "INT"
- (void) mINT
{
    //
    /* my ruleScopeSetUp */
    /* Terence's stuff */

    @try {
        NSInteger _type = INT;
        NSInteger _channel = ANTLRTokenChannelDefault;
        // Lang.g:21:5: ( ( '0' .. '9' )+ ) // ruleBlockSingleAlt
        // Lang.g:21:7: ( '0' .. '9' )+ // alt
        {
        // Lang.g:21:7: ( '0' .. '9' )+ // positiveClosureBlock
        NSInteger cnt2 = 0;
        do {
            NSInteger alt2 = 2;
            NSInteger LA2_0 = [input LA:1];
            if ( ((LA2_0 >= '0' && LA2_0 <= '9')) ) {
                alt2=1;
            }


            switch (alt2) {
                case 1 : ;
                    // Lang.g: // alt
                    {
                    if ((([input LA:1] >= '0') && ([input LA:1] <= '9'))) {
                        [input consume];
                    } else {
                        ANTLRMismatchedSetException *mse = [ANTLRMismatchedSetException newException:nil stream:input];
                        [self recover:mse];
                        @throw mse;
                    }


                    }
                    break;

                default :
                    if ( cnt2 >= 1 )
                        goto loop2;
                    ANTLREarlyExitException *eee =
                        [ANTLREarlyExitException newException:input decisionNumber:2];
                    @throw eee;
            }
            cnt2++;
        } while (YES);
        loop2: ;


        }

        // token+rule list labels

        state.type = _type;
        state.channel = _channel;
    }
    @finally {
        //
        /* Terence's stuff */

    }
    return;
}
/* $ANTLR end "INT" */

// $ANTLR start "WS"
- (void) mWS
{
    //
    /* my ruleScopeSetUp */
    /* Terence's stuff */

    @try {
        NSInteger _type = WS;
        NSInteger _channel = ANTLRTokenChannelDefault;
        // Lang.g:22:4: ( ( ' ' | '\\n' ) ) // ruleBlockSingleAlt
        // Lang.g:22:6: ( ' ' | '\\n' ) // alt
        {
        if ([input LA:1] == '\n'||[input LA:1] == ' ') {
            [input consume];
        } else {
            ANTLRMismatchedSetException *mse = [ANTLRMismatchedSetException newException:nil stream:input];
            [self recover:mse];
            @throw mse;
        }


        _channel=HIDDEN;


        }

        // token+rule list labels

        state.type = _type;
        state.channel = _channel;
    }
    @finally {
        //
        /* Terence's stuff */

    }
    return;
}
/* $ANTLR end "WS" */

- (void) mTokens
{
    // Lang.g:1:8: ( T__10 | INTTYPE | FLOATTYPE | ID | INT | WS ) //ruleblock
    NSInteger alt3=6;
    unichar charLA3 = [input LA:1];
    switch (charLA3) {
        case ';': ;
            {
            alt3=1;
            }
            break;
        case 'i': ;
            {
            NSInteger LA3_2 = [input LA:2];

            if ( (LA3_2=='n') ) {
                NSInteger LA3_7 = [input LA:3];

                if ( (LA3_7=='t') ) {
                    NSInteger LA3_9 = [input LA:4];

                    if ( ((LA3_9 >= 'a' && LA3_9 <= 'z')) ) {
                        alt3=4;
                    }
                    else {
                        alt3 = 2;
                    }
                }
                else {
                    alt3 = 4;
                }
            }
            else {
                alt3 = 4;
            }
            }
            break;
        case 'f': ;
            {
            NSInteger LA3_3 = [input LA:2];

            if ( (LA3_3=='l') ) {
                NSInteger LA3_8 = [input LA:3];

                if ( (LA3_8=='o') ) {
                    NSInteger LA3_10 = [input LA:4];

                    if ( (LA3_10=='a') ) {
                        NSInteger LA3_12 = [input LA:5];

                        if ( (LA3_12=='t') ) {
                            NSInteger LA3_13 = [input LA:6];

                            if ( ((LA3_13 >= 'a' && LA3_13 <= 'z')) ) {
                                alt3=4;
                            }
                            else {
                                alt3 = 3;
                            }
                        }
                        else {
                            alt3 = 4;
                        }
                    }
                    else {
                        alt3 = 4;
                    }
                }
                else {
                    alt3 = 4;
                }
            }
            else {
                alt3 = 4;
            }
            }
            break;
        case 'a': ;
        case 'b': ;
        case 'c': ;
        case 'd': ;
        case 'e': ;
        case 'g': ;
        case 'h': ;
        case 'j': ;
        case 'k': ;
        case 'l': ;
        case 'm': ;
        case 'n': ;
        case 'o': ;
        case 'p': ;
        case 'q': ;
        case 'r': ;
        case 's': ;
        case 't': ;
        case 'u': ;
        case 'v': ;
        case 'w': ;
        case 'x': ;
        case 'y': ;
        case 'z': ;
            {
            alt3=4;
            }
            break;
        case '0': ;
        case '1': ;
        case '2': ;
        case '3': ;
        case '4': ;
        case '5': ;
        case '6': ;
        case '7': ;
        case '8': ;
        case '9': ;
            {
            alt3=5;
            }
            break;
        case '\n': ;
        case ' ': ;
            {
            alt3=6;
            }
            break;

    default: ;
        ANTLRNoViableAltException *nvae = [ANTLRNoViableAltException newException:3 state:0 stream:input];
        nvae.c = charLA3;
        @throw nvae;

    }

    switch (alt3) {
        case 1 : ;
            // Lang.g:1:10: T__10 // alt
            {
            [self mT__10]; 


            }
            break;
        case 2 : ;
            // Lang.g:1:16: INTTYPE // alt
            {
            [self mINTTYPE]; 


            }
            break;
        case 3 : ;
            // Lang.g:1:24: FLOATTYPE // alt
            {
            [self mFLOATTYPE]; 


            }
            break;
        case 4 : ;
            // Lang.g:1:34: ID // alt
            {
            [self mID]; 


            }
            break;
        case 5 : ;
            // Lang.g:1:37: INT // alt
            {
            [self mINT]; 


            }
            break;
        case 6 : ;
            // Lang.g:1:41: WS // alt
            {
            [self mWS]; 


            }
            break;

    }

}

@end /* end of LangLexer implementation line 397 */