datalexer.cpp

基于ANTLR的简单编译器源码version0.1

		case 0x4d /* 'M' */ :
		case 0x4e /* 'N' */ :
		case 0x4f /* 'O' */ :
		case 0x50 /* 'P' */ :
		case 0x51 /* 'Q' */ :
		case 0x52 /* 'R' */ :
		case 0x53 /* 'S' */ :
		case 0x54 /* 'T' */ :
		case 0x55 /* 'U' */ :
		case 0x56 /* 'V' */ :
		case 0x57 /* 'W' */ :
		case 0x58 /* 'X' */ :
		case 0x59 /* 'Y' */ :
		case 0x5a /* 'Z' */ :
		{
			matchRange('A','Z');
			break;
		}
		case 0x5f /* '_' */ :
		{
			match('_' /* charlit */ );
			break;
		}
		case 0x30 /* '0' */ :
		case 0x31 /* '1' */ :
		case 0x32 /* '2' */ :
		case 0x33 /* '3' */ :
		case 0x34 /* '4' */ :
		case 0x35 /* '5' */ :
		case 0x36 /* '6' */ :
		case 0x37 /* '7' */ :
		case 0x38 /* '8' */ :
		case 0x39 /* '9' */ :
		{
			matchRange('0','9');
			break;
		}
		default:
		{
			goto _loop39;
		}
		}
	}
	_loop39:;
	} // ( ... )*
	_ttype = testLiteralsTable(_ttype);
	if ( _createToken && _token==ANTLR_USE_NAMESPACE(antlr)nullToken && _ttype!=ANTLR_USE_NAMESPACE(antlr)Token::SKIP ) {
	   _token = makeToken(_ttype);
	   _token->setText(text.substr(_begin, text.length()-_begin));
	}
	_returnToken = _token;
	_saveIndex=0;
}

void Datalexer::mBIT(bool _createToken) {
	int _ttype; ANTLR_USE_NAMESPACE(antlr)RefToken _token; ANTLR_USE_NAMESPACE(std)string::size_type _begin = text.length();
	_ttype = BIT;
	ANTLR_USE_NAMESPACE(std)string::size_type _saveIndex;
	
	match('b' /* charlit */ );
	mAPOSTROPHE(false);
	{
	switch ( LA(1)) {
	case 0x30 /* '0' */ :
	{
		match('0' /* charlit */ );
		break;
	}
	case 0x31 /* '1' */ :
	{
		match('1' /* charlit */ );
		break;
	}
	default:
	{
		throw ANTLR_USE_NAMESPACE(antlr)NoViableAltForCharException(LA(1), getFilename(), getLine(), getColumn());
	}
	}
	}
	if ( _createToken && _token==ANTLR_USE_NAMESPACE(antlr)nullToken && _ttype!=ANTLR_USE_NAMESPACE(antlr)Token::SKIP ) {
	   _token = makeToken(_ttype);
	   _token->setText(text.substr(_begin, text.length()-_begin));
	}
	_returnToken = _token;
	_saveIndex=0;
}

void Datalexer::mBITS(bool _createToken) {
	int _ttype; ANTLR_USE_NAMESPACE(antlr)RefToken _token; ANTLR_USE_NAMESPACE(std)string::size_type _begin = text.length();
	_ttype = BITS;
	ANTLR_USE_NAMESPACE(std)string::size_type _saveIndex;
	
	match('B' /* charlit */ );
	mAPOSTROPHE(false);
	{ // ( ... )+
	int _cnt44=0;
	for (;;) {
		switch ( LA(1)) {
		case 0x30 /* '0' */ :
		{
			match('0' /* charlit */ );
			break;
		}
		case 0x31 /* '1' */ :
		{
			match('1' /* charlit */ );
			break;
		}
		default:
		{
			if ( _cnt44>=1 ) { goto _loop44; } else {throw ANTLR_USE_NAMESPACE(antlr)NoViableAltForCharException(LA(1), getFilename(), getLine(), getColumn());}
		}
		}
		_cnt44++;
	}
	_loop44:;
	}  // ( ... )+
	if ( _createToken && _token==ANTLR_USE_NAMESPACE(antlr)nullToken && _ttype!=ANTLR_USE_NAMESPACE(antlr)Token::SKIP ) {
	   _token = makeToken(_ttype);
	   _token->setText(text.substr(_begin, text.length()-_begin));
	}
	_returnToken = _token;
	_saveIndex=0;
}

void Datalexer::mSL_COMMENT(bool _createToken) {
	int _ttype; ANTLR_USE_NAMESPACE(antlr)RefToken _token; ANTLR_USE_NAMESPACE(std)string::size_type _begin = text.length();
	_ttype = SL_COMMENT;
	ANTLR_USE_NAMESPACE(std)string::size_type _saveIndex;
	
	match("//");
	{ // ( ... )*
	for (;;) {
		if ((_tokenSet_2.member(LA(1)))) {
			matchNot('\n' /* charlit */ );
		}
		else {
			goto _loop47;
		}
		
	}
	_loop47:;
	} // ( ... )*
	match('\n' /* charlit */ );
#line 85 "syntax.g"
	_ttype = antlr::Token::SKIP; newline();
#line 938 "Datalexer.cpp"
	if ( _createToken && _token==ANTLR_USE_NAMESPACE(antlr)nullToken && _ttype!=ANTLR_USE_NAMESPACE(antlr)Token::SKIP ) {
	   _token = makeToken(_ttype);
	   _token->setText(text.substr(_begin, text.length()-_begin));
	}
	_returnToken = _token;
	_saveIndex=0;
}

void Datalexer::mML_COMMENT(bool _createToken) {
	int _ttype; ANTLR_USE_NAMESPACE(antlr)RefToken _token; ANTLR_USE_NAMESPACE(std)string::size_type _begin = text.length();
	_ttype = ML_COMMENT;
	ANTLR_USE_NAMESPACE(std)string::size_type _saveIndex;
	
	match("/*");
	{ // ( ... )*
	for (;;) {
		if (((LA(1) == 0x2a /* '*' */ ) && ((LA(2) >= 0x0 /* '\0' */  && LA(2) <= 0xff)) && ((LA(3) >= 0x0 /* '\0' */  && LA(3) <= 0xff)))&&( LA(2)!='/' )) {
			match('*' /* charlit */ );
		}
		else if ((LA(1) == 0xa /* '\n' */ )) {
			match('\n' /* charlit */ );
#line 91 "syntax.g"
			newline();
#line 962 "Datalexer.cpp"
		}
		else if ((_tokenSet_3.member(LA(1)))) {
			{
			match(_tokenSet_3);
			}
		}
		else {
			goto _loop51;
		}
		
	}
	_loop51:;
	} // ( ... )*
	match("*/");
#line 95 "syntax.g"
	_ttype = antlr::Token::SKIP;
#line 979 "Datalexer.cpp"
	if ( _createToken && _token==ANTLR_USE_NAMESPACE(antlr)nullToken && _ttype!=ANTLR_USE_NAMESPACE(antlr)Token::SKIP ) {
	   _token = makeToken(_ttype);
	   _token->setText(text.substr(_begin, text.length()-_begin));
	}
	_returnToken = _token;
	_saveIndex=0;
}

void Datalexer::mCHAR(bool _createToken) {
	int _ttype; ANTLR_USE_NAMESPACE(antlr)RefToken _token; ANTLR_USE_NAMESPACE(std)string::size_type _begin = text.length();
	_ttype = CHAR;
	ANTLR_USE_NAMESPACE(std)string::size_type _saveIndex;
	
	match('\'' /* charlit */ );
	{
	if ((LA(1) == 0x5c /* '\\' */ )) {
		mESC(false);
	}
	else if ((_tokenSet_4.member(LA(1)))) {
		matchNot('\'' /* charlit */ );
	}
	else {
		throw ANTLR_USE_NAMESPACE(antlr)NoViableAltForCharException(LA(1), getFilename(), getLine(), getColumn());
	}
	
	}
	match('\'' /* charlit */ );
	if ( _createToken && _token==ANTLR_USE_NAMESPACE(antlr)nullToken && _ttype!=ANTLR_USE_NAMESPACE(antlr)Token::SKIP ) {
	   _token = makeToken(_ttype);
	   _token->setText(text.substr(_begin, text.length()-_begin));
	}
	_returnToken = _token;
	_saveIndex=0;
}

void Datalexer::mESC(bool _createToken) {
	int _ttype; ANTLR_USE_NAMESPACE(antlr)RefToken _token; ANTLR_USE_NAMESPACE(std)string::size_type _begin = text.length();
	_ttype = ESC;
	ANTLR_USE_NAMESPACE(std)string::size_type _saveIndex;
	
	match('\\' /* charlit */ );
	{
	switch ( LA(1)) {
	case 0x6e /* 'n' */ :
	{
		match('n' /* charlit */ );
		break;
	}
	case 0x72 /* 'r' */ :
	{
		match('r' /* charlit */ );
		break;
	}
	case 0x74 /* 't' */ :
	{
		match('t' /* charlit */ );
		break;
	}
	case 0x62 /* 'b' */ :
	{
		match('b' /* charlit */ );
		break;
	}
	case 0x66 /* 'f' */ :
	{
		match('f' /* charlit */ );
		break;
	}
	case 0x22 /* '\"' */ :
	{
		match('\"' /* charlit */ );
		break;
	}
	case 0x27 /* '\'' */ :
	{
		match('\'' /* charlit */ );
		break;
	}
	case 0x5c /* '\\' */ :
	{
		match('\\' /* charlit */ );
		break;
	}
	case 0x30 /* '0' */ :
	case 0x31 /* '1' */ :
	case 0x32 /* '2' */ :
	case 0x33 /* '3' */ :
	{
		matchRange('0','3');
		{
		if (((LA(1) >= 0x30 /* '0' */  && LA(1) <= 0x39 /* '9' */ )) && ((LA(2) >= 0x0 /* '\0' */  && LA(2) <= 0xff)) && (true) && (true)) {
			mDIGIT(false);
			{
			if (((LA(1) >= 0x30 /* '0' */  && LA(1) <= 0x39 /* '9' */ )) && ((LA(2) >= 0x0 /* '\0' */  && LA(2) <= 0xff)) && (true) && (true)) {
				mDIGIT(false);
			}
			else if (((LA(1) >= 0x0 /* '\0' */  && LA(1) <= 0xff)) && (true) && (true) && (true)) {
			}
			else {
				throw ANTLR_USE_NAMESPACE(antlr)NoViableAltForCharException(LA(1), getFilename(), getLine(), getColumn());
			}
			
			}
		}
		else if (((LA(1) >= 0x0 /* '\0' */  && LA(1) <= 0xff)) && (true) && (true) && (true)) {
		}
		else {
			throw ANTLR_USE_NAMESPACE(antlr)NoViableAltForCharException(LA(1), getFilename(), getLine(), getColumn());
		}
		
		}
		break;
	}
	case 0x34 /* '4' */ :
	case 0x35 /* '5' */ :
	case 0x36 /* '6' */ :
	case 0x37 /* '7' */ :
	{
		matchRange('4','7');
		{
		if (((LA(1) >= 0x30 /* '0' */  && LA(1) <= 0x39 /* '9' */ )) && ((LA(2) >= 0x0 /* '\0' */  && LA(2) <= 0xff)) && (true) && (true)) {
			mDIGIT(false);
		}
		else if (((LA(1) >= 0x0 /* '\0' */  && LA(1) <= 0xff)) && (true) && (true) && (true)) {
		}
		else {
			throw ANTLR_USE_NAMESPACE(antlr)NoViableAltForCharException(LA(1), getFilename(), getLine(), getColumn());
		}
		
		}
		break;
	}
	default:
	{
		throw ANTLR_USE_NAMESPACE(antlr)NoViableAltForCharException(LA(1), getFilename(), getLine(), getColumn());
	}
	}
	}
	if ( _createToken && _token==ANTLR_USE_NAMESPACE(antlr)nullToken && _ttype!=ANTLR_USE_NAMESPACE(antlr)Token::SKIP ) {
	   _token = makeToken(_ttype);
	   _token->setText(text.substr(_begin, text.length()-_begin));
	}
	_returnToken = _token;
	_saveIndex=0;
}

void Datalexer::mSTRING(bool _createToken) {
	int _ttype; ANTLR_USE_NAMESPACE(antlr)RefToken _token; ANTLR_USE_NAMESPACE(std)string::size_type _begin = text.length();
	_ttype = STRING;
	ANTLR_USE_NAMESPACE(std)string::size_type _saveIndex;
	
	match('\"' /* charlit */ );
	{ // ( ... )*
	for (;;) {
		if ((LA(1) == 0x5c /* '\\' */ )) {
			mESC(false);
		}
		else if ((_tokenSet_5.member(LA(1)))) {
			matchNot('\"' /* charlit */ );
		}
		else {
			goto _loop56;
		}
		
	}
	_loop56:;
	} // ( ... )*
	match('\"' /* charlit */ );
	if ( _createToken && _token==ANTLR_USE_NAMESPACE(antlr)nullToken && _ttype!=ANTLR_USE_NAMESPACE(antlr)Token::SKIP ) {
	   _token = makeToken(_ttype);
	   _token->setText(text.substr(_begin, text.length()-_begin));
	}
	_returnToken = _token;
	_saveIndex=0;
}


const unsigned long Datalexer::_tokenSet_0_data_[] = { 4294967295UL, 4294967167UL, 4294967295UL, 4294967295UL, 4294967295UL, 4294967295UL, 4294967295UL, 4294967295UL, 0UL, 0UL, 0UL, 0UL, 0UL, 0UL, 0UL, 0UL };
// 0x0 0x1 0x2 0x3 0x4 0x5 0x6 0x7 0x8 0x9 0xa 0xb 0xc 0xd 0xe 0xf 0x10 
// 0x11 0x12 0x13 0x14 0x15 0x16 0x17 0x18 0x19 0x1a 0x1b 0x1c 0x1d 0x1e 
// 0x1f   ! \" # $ % & ( 
const ANTLR_USE_NAMESPACE(antlr)BitSet Datalexer::_tokenSet_0(_tokenSet_0_data_,16);
const unsigned long Datalexer::_tokenSet_1_data_[] = { 0UL, 0UL, 2281701374UL, 134217726UL, 0UL, 0UL, 0UL, 0UL, 0UL, 0UL };
const ANTLR_USE_NAMESPACE(antlr)BitSet Datalexer::_tokenSet_1(_tokenSet_1_data_,10);
const unsigned long Datalexer::_tokenSet_2_data_[] = { 4294966271UL, 4294967295UL, 4294967295UL, 4294967295UL, 4294967295UL, 4294967295UL, 4294967295UL, 4294967295UL, 0UL, 0UL, 0UL, 0UL, 0UL, 0UL, 0UL, 0UL };
// 0x0 0x1 0x2 0x3 0x4 0x5 0x6 0x7 0x8 0x9 0xb 0xc 0xd 0xe 0xf 0x10 0x11 
// 0x12 0x13 0x14 0x15 0x16 0x17 0x18 0x19 0x1a 0x1b 0x1c 0x1d 0x1e 0x1f 
//   ! \" # $ % & \' ( 
const ANTLR_USE_NAMESPACE(antlr)BitSet Datalexer::_tokenSet_2(_tokenSet_2_data_,16);
const unsigned long Datalexer::_tokenSet_3_data_[] = { 4294966271UL, 4294966271UL, 4294967295UL, 4294967295UL, 4294967295UL, 4294967295UL, 4294967295UL, 4294967295UL, 0UL, 0UL, 0UL, 0UL, 0UL, 0UL, 0UL, 0UL };
// 0x0 0x1 0x2 0x3 0x4 0x5 0x6 0x7 0x8 0x9 0xb 0xc 0xd 0xe 0xf 0x10 0x11 
// 0x12 0x13 0x14 0x15 0x16 0x17 0x18 0x19 0x1a 0x1b 0x1c 0x1d 0x1e 0x1f 
//   ! \" # $ % & \' ( 
const ANTLR_USE_NAMESPACE(antlr)BitSet Datalexer::_tokenSet_3(_tokenSet_3_data_,16);
const unsigned long Datalexer::_tokenSet_4_data_[] = { 4294967295UL, 4294967167UL, 4026531839UL, 4294967295UL, 4294967295UL, 4294967295UL, 4294967295UL, 4294967295UL, 0UL, 0UL, 0UL, 0UL, 0UL, 0UL, 0UL, 0UL };
// 0x0 0x1 0x2 0x3 0x4 0x5 0x6 0x7 0x8 0x9 0xa 0xb 0xc 0xd 0xe 0xf 0x10 
// 0x11 0x12 0x13 0x14 0x15 0x16 0x17 0x18 0x19 0x1a 0x1b 0x1c 0x1d 0x1e 
// 0x1f   ! \" # $ % & ( 
const ANTLR_USE_NAMESPACE(antlr)BitSet Datalexer::_tokenSet_4(_tokenSet_4_data_,16);
const unsigned long Datalexer::_tokenSet_5_data_[] = { 4294967295UL, 4294967291UL, 4026531839UL, 4294967295UL, 4294967295UL, 4294967295UL, 4294967295UL, 4294967295UL, 0UL, 0UL, 0UL, 0UL, 0UL, 0UL, 0UL, 0UL };
// 0x0 0x1 0x2 0x3 0x4 0x5 0x6 0x7 0x8 0x9 0xa 0xb 0xc 0xd 0xe 0xf 0x10 
// 0x11 0x12 0x13 0x14 0x15 0x16 0x17 0x18 0x19 0x1a 0x1b 0x1c 0x1d 0x1e 
// 0x1f   ! # $ % & \' ( 
const ANTLR_USE_NAMESPACE(antlr)BitSet Datalexer::_tokenSet_5(_tokenSet_5_data_,16);