xref: /external/antlr/antlr-3.4/runtime/ObjC/Framework/examples/scopes/SymbolTableLexer.m

/** \file
 *  This OBJC source file was generated by $ANTLR version ${project.version} ${buildNumber}
 *
 *     -  From the grammar source file : SymbolTable.g
 *     -                            On : 2011-05-06 15:04:43
 *     -                 for the lexer : SymbolTableLexerLexer
 *
 * 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} SymbolTable.g 2011-05-06 15:04:43


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


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

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

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

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

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

- (id) initWithCharStream:(id<ANTLRCharStream>)anInput
{
    self = [super initWithCharStream:anInput State:[[ANTLRRecognizerSharedState newANTLRRecognizerSharedStateWithRuleLen:12+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__7"
- (void) mT__7
{
    //
    /* my ruleScopeSetUp */
    /* Terence's stuff */

    @try {
        NSInteger _type = T__7;
        NSInteger _channel = ANTLRTokenChannelDefault;
        // SymbolTable.g:7:6: ( '(' ) // ruleBlockSingleAlt
        // SymbolTable.g:7:8: '(' // alt
        {
        [self matchChar:'('];


        }

        // token+rule list labels

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

    }
    return;
}
/* $ANTLR end "T__7" */

// $ANTLR start "T__8"
- (void) mT__8
{
    //
    /* my ruleScopeSetUp */
    /* Terence's stuff */

    @try {
        NSInteger _type = T__8;
        NSInteger _channel = ANTLRTokenChannelDefault;
        // SymbolTable.g:8:6: ( ')' ) // ruleBlockSingleAlt
        // SymbolTable.g:8:8: ')' // alt
        {
        [self matchChar:')'];


        }

        // token+rule list labels

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

    }
    return;
}
/* $ANTLR end "T__8" */

// $ANTLR start "T__9"
- (void) mT__9
{
    //
    /* my ruleScopeSetUp */
    /* Terence's stuff */

    @try {
        NSInteger _type = T__9;
        NSInteger _channel = ANTLRTokenChannelDefault;
        // SymbolTable.g:9:6: ( ';' ) // ruleBlockSingleAlt
        // SymbolTable.g:9:8: ';' // alt
        {
        [self matchChar:';'];


        }

        // token+rule list labels

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

    }
    return;
}
/* $ANTLR end "T__9" */

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

    @try {
        NSInteger _type = T__10;
        NSInteger _channel = ANTLRTokenChannelDefault;
        // SymbolTable.g:10:7: ( '=' ) // ruleBlockSingleAlt
        // SymbolTable.g:10:9: '=' // alt
        {
        [self matchChar:'='];


        }

        // token+rule list labels

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

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

// $ANTLR start "T__11"
- (void) mT__11
{
    //
    /* my ruleScopeSetUp */
    /* Terence's stuff */

    @try {
        NSInteger _type = T__11;
        NSInteger _channel = ANTLRTokenChannelDefault;
        // SymbolTable.g:11:7: ( 'int' ) // ruleBlockSingleAlt
        // SymbolTable.g:11:9: 'int' // alt
        {
        [self matchString:@"int"];



        }

        // token+rule list labels

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

    }
    return;
}
/* $ANTLR end "T__11" */

// $ANTLR start "T__12"
- (void) mT__12
{
    //
    /* my ruleScopeSetUp */
    /* Terence's stuff */

    @try {
        NSInteger _type = T__12;
        NSInteger _channel = ANTLRTokenChannelDefault;
        // SymbolTable.g:12:7: ( 'method' ) // ruleBlockSingleAlt
        // SymbolTable.g:12:9: 'method' // alt
        {
        [self matchString:@"method"];



        }

        // token+rule list labels

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

    }
    return;
}
/* $ANTLR end "T__12" */

// $ANTLR start "T__13"
- (void) mT__13
{
    //
    /* my ruleScopeSetUp */
    /* Terence's stuff */

    @try {
        NSInteger _type = T__13;
        NSInteger _channel = ANTLRTokenChannelDefault;
        // SymbolTable.g:13:7: ( '{' ) // ruleBlockSingleAlt
        // SymbolTable.g:13:9: '{' // alt
        {
        [self matchChar:'{'];


        }

        // token+rule list labels

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

    }
    return;
}
/* $ANTLR end "T__13" */

// $ANTLR start "T__14"
- (void) mT__14
{
    //
    /* my ruleScopeSetUp */
    /* Terence's stuff */

    @try {
        NSInteger _type = T__14;
        NSInteger _channel = ANTLRTokenChannelDefault;
        // SymbolTable.g:14:7: ( '}' ) // ruleBlockSingleAlt
        // SymbolTable.g:14:9: '}' // alt
        {
        [self matchChar:'}'];


        }

        // token+rule list labels

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

    }
    return;
}
/* $ANTLR end "T__14" */

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

    @try {
        NSInteger _type = ID;
        NSInteger _channel = ANTLRTokenChannelDefault;
        // SymbolTable.g:68:5: ( ( 'a' .. 'z' )+ ) // ruleBlockSingleAlt
        // SymbolTable.g:68:9: ( 'a' .. 'z' )+ // alt
        {
        // SymbolTable.g:68:9: ( '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 : ;
                    // SymbolTable.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;
        // SymbolTable.g:71:5: ( ( '0' .. '9' )+ ) // ruleBlockSingleAlt
        // SymbolTable.g:71:9: ( '0' .. '9' )+ // alt
        {
        // SymbolTable.g:71:9: ( '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 : ;
                    // SymbolTable.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;
        // SymbolTable.g:74:5: ( ( ' ' | '\\n' | '\\r' )+ ) // ruleBlockSingleAlt
        // SymbolTable.g:74:9: ( ' ' | '\\n' | '\\r' )+ // alt
        {
        // SymbolTable.g:74:9: ( ' ' | '\\n' | '\\r' )+ // positiveClosureBlock
        NSInteger cnt3 = 0;
        do {
            NSInteger alt3 = 2;
            NSInteger LA3_0 = [input LA:1];
            if ( (LA3_0=='\n'||LA3_0=='\r'||LA3_0==' ') ) {
                alt3=1;
            }


            switch (alt3) {
                case 1 : ;
                    // SymbolTable.g: // alt
                    {
                    if ([input LA:1] == '\n'||[input LA:1] == '\r'||[input LA:1] == ' ') {
                        [input consume];
                    } else {
                        ANTLRMismatchedSetException *mse = [ANTLRMismatchedSetException newException:nil stream:input];
                        [self recover:mse];
                        @throw mse;
                    }


                    }
                    break;

                default :
                    if ( cnt3 >= 1 )
                        goto loop3;
                    ANTLREarlyExitException *eee =
                        [ANTLREarlyExitException newException:input decisionNumber:3];
                    @throw eee;
            }
            cnt3++;
        } while (YES);
        loop3: ;


        _channel=HIDDEN;


        }

        // token+rule list labels

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

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

- (void) mTokens
{
    // SymbolTable.g:1:8: ( T__7 | T__8 | T__9 | T__10 | T__11 | T__12 | T__13 | T__14 | ID | INT | WS ) //ruleblock
    NSInteger alt4=11;
    unichar charLA4 = [input LA:1];
    switch (charLA4) {
        case '(': ;
            {
            alt4=1;
            }
            break;
        case ')': ;
            {
            alt4=2;
            }
            break;
        case ';': ;
            {
            alt4=3;
            }
            break;
        case '=': ;
            {
            alt4=4;
            }
            break;
        case 'i': ;
            {
            NSInteger LA4_5 = [input LA:2];

            if ( (LA4_5=='n') ) {
                NSInteger LA4_12 = [input LA:3];

                if ( (LA4_12=='t') ) {
                    NSInteger LA4_14 = [input LA:4];

                    if ( ((LA4_14 >= 'a' && LA4_14 <= 'z')) ) {
                        alt4=9;
                    }
                    else {
                        alt4 = 5;
                    }
                }
                else {
                    alt4 = 9;
                }
            }
            else {
                alt4 = 9;
            }
            }
            break;
        case 'm': ;
            {
            NSInteger LA4_6 = [input LA:2];

            if ( (LA4_6=='e') ) {
                NSInteger LA4_13 = [input LA:3];

                if ( (LA4_13=='t') ) {
                    NSInteger LA4_15 = [input LA:4];

                    if ( (LA4_15=='h') ) {
                        NSInteger LA4_17 = [input LA:5];

                        if ( (LA4_17=='o') ) {
                            NSInteger LA4_18 = [input LA:6];

                            if ( (LA4_18=='d') ) {
                                NSInteger LA4_19 = [input LA:7];

                                if ( ((LA4_19 >= 'a' && LA4_19 <= 'z')) ) {
                                    alt4=9;
                                }
                                else {
                                    alt4 = 6;
                                }
                            }
                            else {
                                alt4 = 9;
                            }
                        }
                        else {
                            alt4 = 9;
                        }
                    }
                    else {
                        alt4 = 9;
                    }
                }
                else {
                    alt4 = 9;
                }
            }
            else {
                alt4 = 9;
            }
            }
            break;
        case '{': ;
            {
            alt4=7;
            }
            break;
        case '}': ;
            {
            alt4=8;
            }
            break;
        case 'a': ;
        case 'b': ;
        case 'c': ;
        case 'd': ;
        case 'e': ;
        case 'f': ;
        case 'g': ;
        case 'h': ;
        case 'j': ;
        case 'k': ;
        case 'l': ;
        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': ;
            {
            alt4=9;
            }
            break;
        case '0': ;
        case '1': ;
        case '2': ;
        case '3': ;
        case '4': ;
        case '5': ;
        case '6': ;
        case '7': ;
        case '8': ;
        case '9': ;
            {
            alt4=10;
            }
            break;
        case '\n': ;
        case '\r': ;
        case ' ': ;
            {
            alt4=11;
            }
            break;

    default: ;
        ANTLRNoViableAltException *nvae = [ANTLRNoViableAltException newException:4 state:0 stream:input];
        nvae.c = charLA4;
        @throw nvae;

    }

    switch (alt4) {
        case 1 : ;
            // SymbolTable.g:1:10: T__7 // alt
            {
            [self mT__7];



            }
            break;
        case 2 : ;
            // SymbolTable.g:1:15: T__8 // alt
            {
            [self mT__8];



            }
            break;
        case 3 : ;
            // SymbolTable.g:1:20: T__9 // alt
            {
            [self mT__9];



            }
            break;
        case 4 : ;
            // SymbolTable.g:1:25: T__10 // alt
            {
            [self mT__10];



            }
            break;
        case 5 : ;
            // SymbolTable.g:1:31: T__11 // alt
            {
            [self mT__11];



            }
            break;
        case 6 : ;
            // SymbolTable.g:1:37: T__12 // alt
            {
            [self mT__12];



            }
            break;
        case 7 : ;
            // SymbolTable.g:1:43: T__13 // alt
            {
            [self mT__13];



            }
            break;
        case 8 : ;
            // SymbolTable.g:1:49: T__14 // alt
            {
            [self mT__14];



            }
            break;
        case 9 : ;
            // SymbolTable.g:1:55: ID // alt
            {
            [self mID];



            }
            break;
        case 10 : ;
            // SymbolTable.g:1:58: INT // alt
            {
            [self mINT];



            }
            break;
        case 11 : ;
            // SymbolTable.g:1:62: WS // alt
            {
            [self mWS];



            }
            break;

    }

}

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