actionlexer.java

Java写的词法/语法分析器。可生成JAVA语言或者是C++的词法和语法分析器。并可产生语法分析树和对该树进行遍历

			_token = makeToken(_ttype);
			_token.setText(new String(text.getBuffer(), _begin, text.length()-_begin));
		}
		_returnToken = _token;
	}
	
	protected final void mTREE_ELEMENT(boolean _createToken) throws RecognitionException, CharStreamException, TokenStreamException {
		int _ttype; Token _token=null; int _begin=text.length();
		_ttype = TREE_ELEMENT;
		int _saveIndex;
		Token id=null;
		
		switch ( LA(1)) {
		case '(':
		{
			mTREE(false);
			break;
		}
		case '[':
		{
			mAST_CONSTRUCTOR(false);
			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 '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':
		{
			mID_ELEMENT(false);
			break;
		}
		case '"':
		{
			mSTRING(false);
			break;
		}
		default:
			if ((LA(1)=='#') && (LA(2)=='(')) {
				_saveIndex=text.length();
				match('#');
				text.setLength(_saveIndex);
				mTREE(false);
			}
			else if ((LA(1)=='#') && (LA(2)=='[')) {
				_saveIndex=text.length();
				match('#');
				text.setLength(_saveIndex);
				mAST_CONSTRUCTOR(false);
			}
			else if ((LA(1)=='#') && (_tokenSet_2.member(LA(2)))) {
				_saveIndex=text.length();
				match('#');
				text.setLength(_saveIndex);
				mID_ELEMENT(true);
				id=_returnToken;
				String t=generator.mapTreeId(id.getText(), null); text.setLength(_begin); text.append(t);
			}
			else if ((LA(1)=='#') && (LA(2)=='#')) {
				match("##");
				String t = currentRule.getRuleName()+"_AST"; text.setLength(_begin); text.append(t);
			}
		else {
			throw new NoViableAltForCharException((char)LA(1), getFilename(), getLine());
		}
		}
		if ( _createToken && _token==null && _ttype!=Token.SKIP ) {
			_token = makeToken(_ttype);
			_token.setText(new String(text.getBuffer(), _begin, text.length()-_begin));
		}
		_returnToken = _token;
	}
	
/** An ID_ELEMENT can be a func call, array ref, simple var,
 *  or AST label ref.
 */
	protected final void mID_ELEMENT(boolean _createToken) throws RecognitionException, CharStreamException, TokenStreamException {
		int _ttype; Token _token=null; int _begin=text.length();
		_ttype = ID_ELEMENT;
		int _saveIndex;
		Token id=null;
		
		mID(true);
		id=_returnToken;
		{
		if ((_tokenSet_3.member(LA(1))) && (_tokenSet_7.member(LA(2)))) {
			_saveIndex=text.length();
			mWS(false);
			text.setLength(_saveIndex);
		}
		else if ((_tokenSet_7.member(LA(1))) && (true)) {
		}
		else {
			throw new NoViableAltForCharException((char)LA(1), getFilename(), getLine());
		}
		
		}
		{
		switch ( LA(1)) {
		case '(':
		{
			match('(');
			{
			if ((_tokenSet_3.member(LA(1))) && (_tokenSet_8.member(LA(2)))) {
				_saveIndex=text.length();
				mWS(false);
				text.setLength(_saveIndex);
			}
			else if ((_tokenSet_8.member(LA(1))) && ((LA(2) >= '\3' && LA(2) <= '~'))) {
			}
			else {
				throw new NoViableAltForCharException((char)LA(1), getFilename(), getLine());
			}
			
			}
			{
			switch ( LA(1)) {
			case '"':  case '#':  case '\'':  case '(':
			case '0':  case '1':  case '2':  case '3':
			case '4':  case '5':  case '6':  case '7':
			case '8':  case '9':  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 '_':  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':
			{
				mARG(false);
				{
				_loop36:
				do {
					if ((LA(1)==',')) {
						match(',');
						{
						switch ( LA(1)) {
						case '\t':  case '\n':  case '\r':  case ' ':
						{
							_saveIndex=text.length();
							mWS(false);
							text.setLength(_saveIndex);
							break;
						}
						case '"':  case '#':  case '\'':  case '(':
						case '0':  case '1':  case '2':  case '3':
						case '4':  case '5':  case '6':  case '7':
						case '8':  case '9':  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 '_':  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':
						{
							break;
						}
						default:
						{
							throw new NoViableAltForCharException((char)LA(1), getFilename(), getLine());
						}
						}
						}
						mARG(false);
					}
					else {
						break _loop36;
					}
					
				} while (true);
				}
				break;
			}
			case '\t':  case '\n':  case '\r':  case ' ':
			case ')':
			{
				break;
			}
			default:
			{
				throw new NoViableAltForCharException((char)LA(1), getFilename(), getLine());
			}
			}
			}
			{
			switch ( LA(1)) {
			case '\t':  case '\n':  case '\r':  case ' ':
			{
				_saveIndex=text.length();
				mWS(false);
				text.setLength(_saveIndex);
				break;
			}
			case ')':
			{
				break;
			}
			default:
			{
				throw new NoViableAltForCharException((char)LA(1), getFilename(), getLine());
			}
			}
			}
			match(')');
			break;
		}
		case '[':
		{
			{
			int _cnt41=0;
			_loop41:
			do {
				if ((LA(1)=='[')) {
					match('[');
					{
					switch ( LA(1)) {
					case '\t':  case '\n':  case '\r':  case ' ':
					{
						_saveIndex=text.length();
						mWS(false);
						text.setLength(_saveIndex);
						break;
					}
					case '"':  case '#':  case '\'':  case '(':
					case '0':  case '1':  case '2':  case '3':
					case '4':  case '5':  case '6':  case '7':
					case '8':  case '9':  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 '_':  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':
					{
						break;
					}
					default:
					{
						throw new NoViableAltForCharException((char)LA(1), getFilename(), getLine());
					}
					}
					}
					mARG(false);
					{
					switch ( LA(1)) {
					case '\t':  case '\n':  case '\r':  case ' ':
					{
						_saveIndex=text.length();
						mWS(false);
						text.setLength(_saveIndex);
						break;
					}
					case ']':
					{
						break;
					}
					default:
					{
						throw new NoViableAltForCharException((char)LA(1), getFilename(), getLine());
					}
					}
					}
					match(']');
				}
				else {
					if ( _cnt41>=1 ) { break _loop41; } else {throw new NoViableAltForCharException((char)LA(1), getFilename(), getLine());}
				}
				
				_cnt41++;
			} while (true);
			}
			break;
		}
		case '.':
		{
			match('.');
			mID_ELEMENT(false);
			break;
		}
		case '\t':  case '\n':  case '\r':  case ' ':
		case ')':  case '*':  case '+':  case ',':
		case '-':  case '/':  case '=':  case ']':
		{
			
						String t=generator.mapTreeId(id.getText(), transInfo);
						text.setLength(_begin); text.append(t);
						
			{
			if (((_tokenSet_9.member(LA(1))) && (_tokenSet_10.member(LA(2))))&&(transInfo!=null && transInfo.refRuleRoot!=null)) {
				{
				switch ( LA(1)) {
				case '\t':  case '\n':  case '\r':  case ' ':
				{
					mWS(false);
					break;
				}
				case '=':
				{
					break;
				}
				default:
				{
					throw new NoViableAltForCharException((char)LA(1), getFilename(), getLine());
				}
				}
				}
				mVAR_ASSIGN(false);
			}
			else if ((_tokenSet_11.member(LA(1))) && (true)) {
			}
			else {
				throw new NoViableAltForCharException((char)LA(1), getFilename(), getLine());
			}
			
			}
			break;
		}
		default:
		{
			throw new NoViableAltForCharException((char)LA(1), getFilename(), getLine());
		}
		}
		}
		if ( _createToken && _token==null && _ttype!=Token.SKIP ) {
			_token = makeToken(_ttype);
			_token.setText(new String(text.getBuffer(), _begin, text.length()-_begin));
		}
		_returnToken = _token;
	}
	
/** The arguments of a #[...] constructor are text, token type,
 *  or a tree.
 */
	protected final void mAST_CTOR_ELEMENT(boolean _createToken) throws RecognitionException, CharStreamException, TokenStreamException {
		int _ttype; Token _token=null; int _begin=text.length();
		_ttype = AST_CTOR_ELEMENT;
		int _saveIndex;
		
		if ((LA(1)=='"') && ((LA(2) >= '\3' && LA(2) <= '~'))) {
			mSTRING(false);
		}
		else if ((_tokenSet_12.member(LA(1))) && ((LA(2) >= '\3' && LA(2) <= '~'))) {
			mTREE_ELEMENT(false);
		}
		else if (((LA(1) >= '0' && LA(1) <= '9'))) {
			mINT(false);
		}
		else {
			throw new NoViableAltForCharException((char)LA(1), getFilename(), getLine());
		}
		
		if ( _createToken && _token==null && _ttype!=Token.SKIP ) {
			_token = makeToken(_ttype);
			_token.setText(new String(text.getBuffer(), _begin, text.length()-_begin));
		}
		_returnToken = _token;
	}
	
	protected final void mINT(boolean _createToken) throws RecognitionException, CharStreamException, TokenStreamException {
		int _ttype; Token _token=null; int _begin=text.length();
		_ttype = INT;
		int _saveIndex;
		
		{
		int _cnt98=0;
		_loop98:
		do {
			if (((LA(1) >= '0' && LA(1) <= '9'))) {
				mDIGIT(false);
			}
			else {
				if ( _cnt98>=1 ) { break _loop98; } else {throw new NoViableAltForCharException((char)LA(1), getFilename(), getLine());}
			}
			
			_cnt98++;
		} while (true);
		}
		if ( _createToken && _token==null && _ttype!=Token.SKIP ) {
			_token = makeToken(_ttype);
			_token.setText(new String(text.getBuffer(), _begin, text.length()-_begin));
		}
		_returnToken = _token;
	}
	
	protected final void mARG(boolean _createToken) throws RecognitionException, CharStreamException, TokenStreamException {
		int _ttype; Token _token=null; int _begin=text.length();
		_ttype = ARG;
		int _saveIndex;
		
		{
		switch ( LA(1)) {
		case '\'':
		{
			mCHAR(false);
			break;
		}
		case '0':  case '1':  case '2':  case '3':
		case '4':  case '5':  case '6':  case '7':
		case '8':  case '9':
		{
			mINT_OR_FLOAT(false);
			break;
		}
		default:
			if ((_tokenSet_12.member(LA(1))) && ((LA(2) >= '\3' && LA(2) <= '~'))) {
				mTREE_ELEMENT(false);
			}
			else if ((LA(1)=='"') && ((LA(2) >= '\3' && LA(2) <= '~'))) {
				mSTRING(false);
			}
		else {
			throw new NoViableAltForCharException((char)LA(1), getFilename(), getLine());
		}
		}
		}
		{
		_loop68:
		do {
			if ((_tokenSet_13.member(LA(1))) && (_tokenSet_14.member(LA(2)))) {
				{
				switch ( LA(1)) {
				case '\t':  case '\n':  case '\r':  case ' ':
				{
					mWS(false);
					break;
				}
				case '*':  case '+':  case '-':  case '/':
				{
					break;
				}
				default:
				{
					throw new NoViableAltForCharException((char)LA(1), getFilename(), getLine());
				}
				}
				}
				{
				switch ( LA(1)) {
				case '+':
				{
					match('+');
					break;
				}
				case '-':
				{
					match('-');
					break;
				}
				case '*':
				{
					match('*');
					break;
				}
				case '/':
				{
					match('/');
					break;
				}
				default:
				{
					throw new NoViableAltForCharException((char)LA(1), getFilename(), getLine());
				}
				}
				}
				{
				switch ( LA(1)) {
				case '\t':  case '\n':  case '\r':  case ' ':
				{
					mWS(false);
					break;
				}
				case '"':  case '#':  case '\'':  case '(':
				case '0':  case '1':  case '2':  case '3':
				case '4':  case '5':  case '6':  case '7':
				case '8':  case '9':  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 '_':  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':
				{
					break;
				}
				default:
				{
					throw new NoViableAltForCharException((char)LA(1), getFilename(), getLine());
				}
				}
				}
				mARG(false);
			}
			else {
				break _loop68;
			}
			
		} while (true);
		}
		if ( _createToken && _token==null && _ttype!=Token.SKIP ) {
			_token = makeToken(_ttype);
			_token.setText(new String(text.getBuffer(), _begin, text.length()-_begin));
		}
		_returnToken = _token;
	}
	
	protected final void mTEXT_ARG_ELEMENT(boolean _createToken) throws RecognitionException, CharStreamException, TokenStreamException {
		int _ttype; Token _token=null; int _begin=text.length();
		_ttype = TEXT_ARG_ELEMENT;
		int _saveIndex;
		
		switch ( LA(1)) {
		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 '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':