simpleclexer.m

antlr最新版本V3源代码

		if ( token == nil && ruleNestingLevel == 1) { [self emitTokenWithType:_type line:_line charPosition:_charPosition channel:_channel start:_start stop:[self charIndex]];}
	}
	@finally {
		ruleNestingLevel--;
        // rule cleanup
		// token labels
		// token+rule list labels
		// rule labels
		// rule refs in alts with rewrites

	}
	return;
}
// $ANTLR end EQ


- (void) mEQEQ
{
	// token labels
	// token+rule list labels
	// rule labels
	// rule list labels
	// rule refs in alts with rewrites

	@try {
		ruleNestingLevel++;
		int _type = SimpleCLexer_EQEQ;
		int _start = [self charIndex];
		int _line = [self line];
		int _charPosition = [self charPositionInLine];
		int _channel = [ANTLRToken defaultChannel];
		// SimpleC.g:103:8: ( '==' ) // ruleBlockSingleAlt
		// SimpleC.g:103:8: '==' // alt
		{
		[self matchString:@"=="];



		}

		if ( token == nil && ruleNestingLevel == 1) { [self emitTokenWithType:_type line:_line charPosition:_charPosition channel:_channel start:_start stop:[self charIndex]];}
	}
	@finally {
		ruleNestingLevel--;
        // rule cleanup
		// token labels
		// token+rule list labels
		// rule labels
		// rule refs in alts with rewrites

	}
	return;
}
// $ANTLR end EQEQ


- (void) mLT
{
	// token labels
	// token+rule list labels
	// rule labels
	// rule list labels
	// rule refs in alts with rewrites

	@try {
		ruleNestingLevel++;
		int _type = SimpleCLexer_LT;
		int _start = [self charIndex];
		int _line = [self line];
		int _charPosition = [self charPositionInLine];
		int _channel = [ANTLRToken defaultChannel];
		// SimpleC.g:104:8: ( '<' ) // ruleBlockSingleAlt
		// SimpleC.g:104:8: '<' // alt
		{
		[self matchChar:'<'];



		}

		if ( token == nil && ruleNestingLevel == 1) { [self emitTokenWithType:_type line:_line charPosition:_charPosition channel:_channel start:_start stop:[self charIndex]];}
	}
	@finally {
		ruleNestingLevel--;
        // rule cleanup
		// token labels
		// token+rule list labels
		// rule labels
		// rule refs in alts with rewrites

	}
	return;
}
// $ANTLR end LT


- (void) mPLUS
{
	// token labels
	// token+rule list labels
	// rule labels
	// rule list labels
	// rule refs in alts with rewrites

	@try {
		ruleNestingLevel++;
		int _type = SimpleCLexer_PLUS;
		int _start = [self charIndex];
		int _line = [self line];
		int _charPosition = [self charPositionInLine];
		int _channel = [ANTLRToken defaultChannel];
		// SimpleC.g:105:8: ( '+' ) // ruleBlockSingleAlt
		// SimpleC.g:105:8: '+' // alt
		{
		[self matchChar:'+'];



		}

		if ( token == nil && ruleNestingLevel == 1) { [self emitTokenWithType:_type line:_line charPosition:_charPosition channel:_channel start:_start stop:[self charIndex]];}
	}
	@finally {
		ruleNestingLevel--;
        // rule cleanup
		// token labels
		// token+rule list labels
		// rule labels
		// rule refs in alts with rewrites

	}
	return;
}
// $ANTLR end PLUS


- (void) mWS
{
	// token labels
	// token+rule list labels
	// rule labels
	// rule list labels
	// rule refs in alts with rewrites

	@try {
		ruleNestingLevel++;
		int _type = SimpleCLexer_WS;
		int _start = [self charIndex];
		int _line = [self line];
		int _charPosition = [self charPositionInLine];
		int _channel = [ANTLRToken defaultChannel];
		// SimpleC.g:107:9: ( ( (' '|'\\t'|'\\r'|'\\n'))+ ) // ruleBlockSingleAlt
		// SimpleC.g:107:9: ( (' '|'\\t'|'\\r'|'\\n'))+ // alt
		{
		// SimpleC.g:107:9: ( (' '|'\\t'|'\\r'|'\\n'))+	// positiveClosureBlock
		int cnt3=0;

		do {
		    int alt3=2;
		    {
		    	int LA3_0 = [input LA:1];
		    	if ( (LA3_0>='\t' && LA3_0<='\n')||LA3_0=='\r'||LA3_0==' ' ) {
		    		alt3 = 1;
		    	}

		    }
		    switch (alt3) {
			case 1 :
			    // SimpleC.g:107:13: (' '|'\\t'|'\\r'|'\\n') // alt
			    {
			    if (([input LA:1]>='\t' && [input LA:1]<='\n')||[input LA:1]=='\r'||[input LA:1]==' ') {
			    	[input consume];

			    } else {
			    	ANTLRMismatchedSetException *mse = [ANTLRMismatchedSetException exceptionWithSet:nil stream:input];
			    	[self recover:mse];	@throw mse;
			    }


			    }
			    break;

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

		 _channel=99; 

		}

		if ( token == nil && ruleNestingLevel == 1) { [self emitTokenWithType:_type line:_line charPosition:_charPosition channel:_channel start:_start stop:[self charIndex]];}
	}
	@finally {
		ruleNestingLevel--;
        // rule cleanup
		// token labels
		// token+rule list labels
		// rule labels
		// rule refs in alts with rewrites

	}
	return;
}
// $ANTLR end WS

- (void) mTokens
{
    // SimpleC.g:1:10: ( T21 | T22 | T23 | T24 | T25 | T26 | FOR | INT_TYPE | CHAR | VOID | ID | INT | EQ | EQEQ | LT | PLUS | WS ) //ruleblock
    int alt4=17;
    switch ([input LA:1]) {
    	case ';':
    		alt4 = 1;
    		break;
    	case '(':
    		alt4 = 2;
    		break;
    	case ',':
    		alt4 = 3;
    		break;
    	case ')':
    		alt4 = 4;
    		break;
    	case '{':
    		alt4 = 5;
    		break;
    	case '}':
    		alt4 = 6;
    		break;
    	case 'f':
    		{
    			int LA4_7 = [input LA:2];
    			if ( LA4_7=='o' ) {
    				{
    					int LA4_17 = [input LA:3];
    					if ( LA4_17=='r' ) {
    						{
    							int LA4_23 = [input LA:4];
    							if ( (LA4_23>='0' && LA4_23<='9')||(LA4_23>='A' && LA4_23<='Z')||LA4_23=='_'||(LA4_23>='a' && LA4_23<='z') ) {
    								alt4 = 11;
    							}
    						else {
    							alt4 = 7;	}
    						}
    					}
    				else {
    					alt4 = 11;	}
    				}
    			}
    		else {
    			alt4 = 11;	}
    		}
    		break;
    	case 'i':
    		{
    			int LA4_8 = [input LA:2];
    			if ( LA4_8=='n' ) {
    				{
    					int LA4_18 = [input LA:3];
    					if ( LA4_18=='t' ) {
    						{
    							int LA4_24 = [input LA:4];
    							if ( (LA4_24>='0' && LA4_24<='9')||(LA4_24>='A' && LA4_24<='Z')||LA4_24=='_'||(LA4_24>='a' && LA4_24<='z') ) {
    								alt4 = 11;
    							}
    						else {
    							alt4 = 8;	}
    						}
    					}
    				else {
    					alt4 = 11;	}
    				}
    			}
    		else {
    			alt4 = 11;	}
    		}
    		break;
    	case 'c':
    		{
    			int LA4_9 = [input LA:2];
    			if ( LA4_9=='h' ) {
    				{
    					int LA4_19 = [input LA:3];
    					if ( LA4_19=='a' ) {
    						{
    							int LA4_25 = [input LA:4];
    							if ( LA4_25=='r' ) {
    								{
    									int LA4_29 = [input LA:5];
    									if ( (LA4_29>='0' && LA4_29<='9')||(LA4_29>='A' && LA4_29<='Z')||LA4_29=='_'||(LA4_29>='a' && LA4_29<='z') ) {
    										alt4 = 11;
    									}
    								else {
    									alt4 = 9;	}
    								}
    							}
    						else {
    							alt4 = 11;	}
    						}
    					}
    				else {
    					alt4 = 11;	}
    				}
    			}
    		else {
    			alt4 = 11;	}
    		}
    		break;
    	case 'v':
    		{
    			int LA4_10 = [input LA:2];
    			if ( LA4_10=='o' ) {
    				{
    					int LA4_20 = [input LA:3];
    					if ( LA4_20=='i' ) {
    						{
    							int LA4_26 = [input LA:4];
    							if ( LA4_26=='d' ) {
    								{
    									int LA4_30 = [input LA:5];
    									if ( (LA4_30>='0' && LA4_30<='9')||(LA4_30>='A' && LA4_30<='Z')||LA4_30=='_'||(LA4_30>='a' && LA4_30<='z') ) {
    										alt4 = 11;
    									}
    								else {
    									alt4 = 10;	}
    								}
    							}
    						else {
    							alt4 = 11;	}
    						}
    					}
    				else {
    					alt4 = 11;	}
    				}
    			}
    		else {
    			alt4 = 11;	}
    		}
    		break;
    	case 'A':
    	case 'B':
    	case 'C':
    	case 'D':
    	case 'E':
    	case 'F':
    	case 'G':
    	case 'H':
    	case 'I':
    	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':
    	case '_':
    	case 'a':
    	case 'b':
    	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 'w':
    	case 'x':
    	case 'y':
    	case 'z':
    		alt4 = 11;
    		break;
    	case '0':
    	case '1':
    	case '2':
    	case '3':
    	case '4':
    	case '5':
    	case '6':
    	case '7':
    	case '8':
    	case '9':
    		alt4 = 12;
    		break;
    	case '=':
    		{
    			int LA4_13 = [input LA:2];
    			if ( LA4_13=='=' ) {
    				alt4 = 14;
    			}
    		else {
    			alt4 = 13;	}
    		}
    		break;
    	case '<':
    		alt4 = 15;
    		break;
    	case '+':
    		alt4 = 16;
    		break;
    	case '\t':
    	case '\n':
    	case '\r':
    	case ' ':
    		alt4 = 17;
    		break;
    default:
     {
        ANTLRNoViableAltException *nvae = [ANTLRNoViableAltException exceptionWithDecision:4 state:0 stream:input];
    	@throw nvae;

    	}}
    switch (alt4) {
    	case 1 :
    	    // SimpleC.g:1:10: T21 // alt
    	    {
    	    [self mT21];



    	    }
    	    break;
    	case 2 :
    	    // SimpleC.g:1:14: T22 // alt
    	    {
    	    [self mT22];



    	    }
    	    break;
    	case 3 :
    	    // SimpleC.g:1:18: T23 // alt
    	    {
    	    [self mT23];



    	    }
    	    break;
    	case 4 :
    	    // SimpleC.g:1:22: T24 // alt
    	    {
    	    [self mT24];



    	    }
    	    break;
    	case 5 :
    	    // SimpleC.g:1:26: T25 // alt
    	    {
    	    [self mT25];



    	    }
    	    break;
    	case 6 :
    	    // SimpleC.g:1:30: T26 // alt
    	    {
    	    [self mT26];



    	    }
    	    break;
    	case 7 :
    	    // SimpleC.g:1:34: FOR // alt
    	    {
    	    [self mFOR];



    	    }
    	    break;
    	case 8 :
    	    // SimpleC.g:1:38: INT_TYPE // alt
    	    {
    	    [self mINT_TYPE];



    	    }
    	    break;
    	case 9 :
    	    // SimpleC.g:1:47: CHAR // alt
    	    {
    	    [self mCHAR];



    	    }
    	    break;
    	case 10 :
    	    // SimpleC.g:1:52: VOID // alt
    	    {
    	    [self mVOID];



    	    }
    	    break;
    	case 11 :
    	    // SimpleC.g:1:57: ID // alt
    	    {
    	    [self mID];



    	    }
    	    break;
    	case 12 :
    	    // SimpleC.g:1:60: INT // alt
    	    {
    	    [self mINT];



    	    }
    	    break;
    	case 13 :
    	    // SimpleC.g:1:64: EQ // alt
    	    {
    	    [self mEQ];



    	    }
    	    break;
    	case 14 :
    	    // SimpleC.g:1:67: EQEQ // alt
    	    {
    	    [self mEQEQ];



    	    }
    	    break;
    	case 15 :
    	    // SimpleC.g:1:72: LT // alt
    	    {
    	    [self mLT];



    	    }
    	    break;
    	case 16 :
    	    // SimpleC.g:1:75: PLUS // alt
    	    {
    	    [self mPLUS];



    	    }
    	    break;
    	case 17 :
    	    // SimpleC.g:1:80: WS // alt
    	    {
    	    [self mWS];



    	    }
    	    break;

    }

}

@end