antlrparser.java

来自「SRI international 发布的OAA框架软件」· Java 代码 · 共 2,928 行 · 第 1/4 页

		}
		case ACTION:
		case DOC_COMMENT:
		case TOKEN_REF:
		case RULE_REF:
		case LITERAL_protected:
		case LITERAL_public:
		case LITERAL_private:
		{
			break;
		}
		default:
		{
			throw new NoViableAltException(LT(1), getFilename());
		}
		}
		}
		{
		switch ( LA(1)) {
		case ACTION:
		{
			a = LT(1);
			match(ACTION);
			if ( inputState.guessing==0 ) {
				behavior.refMemberAction(a);
			}
			break;
		}
		case DOC_COMMENT:
		case TOKEN_REF:
		case RULE_REF:
		case LITERAL_protected:
		case LITERAL_public:
		case LITERAL_private:
		{
			break;
		}
		default:
		{
			throw new NoViableAltException(LT(1), getFilename());
		}
		}
		}
	}
	
	public final void rules() throws RecognitionException, TokenStreamException {
		
		
		{
		int _cnt68=0;
		_loop68:
		do {
			if ((_tokenSet_0.member(LA(1))) && (_tokenSet_1.member(LA(2)))) {
				rule();
			}
			else {
				if ( _cnt68>=1 ) { break _loop68; } else {throw new NoViableAltException(LT(1), getFilename());}
			}
			
			_cnt68++;
		} while (true);
		}
	}
	
	public final  Token  optionValue() throws RecognitionException, TokenStreamException {
		 Token retval ;
		
		Token  sl = null;
		Token  cl = null;
		Token  il = null;
		retval = null;
		
		switch ( LA(1)) {
		case TOKEN_REF:
		case RULE_REF:
		{
			retval=qualifiedID();
			break;
		}
		case STRING_LITERAL:
		{
			sl = LT(1);
			match(STRING_LITERAL);
			if ( inputState.guessing==0 ) {
				retval = sl;
			}
			break;
		}
		case CHAR_LITERAL:
		{
			cl = LT(1);
			match(CHAR_LITERAL);
			if ( inputState.guessing==0 ) {
				retval = cl;
			}
			break;
		}
		case INT:
		{
			il = LT(1);
			match(INT);
			if ( inputState.guessing==0 ) {
				retval = il;
			}
			break;
		}
		default:
		{
			throw new NoViableAltException(LT(1), getFilename());
		}
		}
		return retval ;
	}
	
	public final void parserOptionsSpec() throws RecognitionException, TokenStreamException {
		
		Token idTok; Token value;
		
		match(OPTIONS);
		{
		_loop21:
		do {
			if ((LA(1)==TOKEN_REF||LA(1)==RULE_REF)) {
				idTok=id();
				match(ASSIGN);
				value=optionValue();
				if ( inputState.guessing==0 ) {
					behavior.setGrammarOption(idTok, value);
				}
				match(SEMI);
			}
			else {
				break _loop21;
			}
			
		} while (true);
		}
		match(RCURLY);
	}
	
	public final void treeParserOptionsSpec() throws RecognitionException, TokenStreamException {
		
		Token idTok; Token value;
		
		match(OPTIONS);
		{
		_loop24:
		do {
			if ((LA(1)==TOKEN_REF||LA(1)==RULE_REF)) {
				idTok=id();
				match(ASSIGN);
				value=optionValue();
				if ( inputState.guessing==0 ) {
					behavior.setGrammarOption(idTok, value);
				}
				match(SEMI);
			}
			else {
				break _loop24;
			}
			
		} while (true);
		}
		match(RCURLY);
	}
	
	public final void lexerOptionsSpec() throws RecognitionException, TokenStreamException {
		
		Token idTok; Token value; BitSet b;
		
		match(OPTIONS);
		{
		_loop27:
		do {
			switch ( LA(1)) {
			case LITERAL_charVocabulary:
			{
				match(LITERAL_charVocabulary);
				match(ASSIGN);
				b=charSet();
				match(SEMI);
				if ( inputState.guessing==0 ) {
					behavior.setCharVocabulary(b);
				}
				break;
			}
			case TOKEN_REF:
			case RULE_REF:
			{
				idTok=id();
				match(ASSIGN);
				value=optionValue();
				if ( inputState.guessing==0 ) {
					behavior.setGrammarOption(idTok, value);
				}
				match(SEMI);
				break;
			}
			default:
			{
				break _loop27;
			}
			}
		} while (true);
		}
		match(RCURLY);
	}
	
	public final  BitSet  charSet() throws RecognitionException, TokenStreamException {
		 BitSet b ;
		
		
			b = null; 
			BitSet tmpSet = null;
		
		
		b=setBlockElement();
		{
		_loop34:
		do {
			if ((LA(1)==OR)) {
				match(OR);
				tmpSet=setBlockElement();
				if ( inputState.guessing==0 ) {
					b.orInPlace(tmpSet);
				}
			}
			else {
				break _loop34;
			}
			
		} while (true);
		}
		return b ;
	}
	
	public final void subruleOptionsSpec() throws RecognitionException, TokenStreamException {
		
		Token idTok; Token value;
		
		match(OPTIONS);
		{
		_loop30:
		do {
			if ((LA(1)==TOKEN_REF||LA(1)==RULE_REF)) {
				idTok=id();
				match(ASSIGN);
				value=optionValue();
				if ( inputState.guessing==0 ) {
					behavior.setSubruleOption(idTok, value);
				}
				match(SEMI);
			}
			else {
				break _loop30;
			}
			
		} while (true);
		}
		match(RCURLY);
	}
	
/** Match a.b.c.d qualified ids; WILDCARD here is overloaded as
 *  id separator; that is, I need a reference to the '.' token.
 */
	public final Token  qualifiedID() throws RecognitionException, TokenStreamException {
		Token qidTok=null;
		
		
			StringBuffer buf = new StringBuffer(30);
			Token a;
		
		
		a=id();
		if ( inputState.guessing==0 ) {
			buf.append(a.getText());
		}
		{
		_loop144:
		do {
			if ((LA(1)==WILDCARD)) {
				match(WILDCARD);
				a=id();
				if ( inputState.guessing==0 ) {
					buf.append('.'); buf.append(a.getText());
				}
			}
			else {
				break _loop144;
			}
			
		} while (true);
		}
		if ( inputState.guessing==0 ) {
			
					 // can use either TOKEN_REF or RULE_REF; should
					 // really create a QID or something instead.
					 qidTok = new CommonToken(TOKEN_REF, buf.toString());
					 qidTok.setLine(a.getLine());
					
		}
		return qidTok;
	}
	
	public final  BitSet  setBlockElement() throws RecognitionException, TokenStreamException {
		 BitSet b ;
		
		Token  c1 = null;
		Token  c2 = null;
		
			b = null;
			int rangeMin = 0; 
		
		
		c1 = LT(1);
		match(CHAR_LITERAL);
		if ( inputState.guessing==0 ) {
			
					rangeMin = ANTLRLexer.tokenTypeForCharLiteral(c1.getText()); 
					b = BitSet.of(rangeMin);
				
		}
		{
		switch ( LA(1)) {
		case RANGE:
		{
			match(RANGE);
			c2 = LT(1);
			match(CHAR_LITERAL);
			if ( inputState.guessing==0 ) {
				
							int rangeMax = ANTLRLexer.tokenTypeForCharLiteral(c2.getText()); 
							if (rangeMax < rangeMin) {
								tool.error("Malformed range line "+c1.getLine());
							}
							for (int i = rangeMin+1; i <= rangeMax; i++) {
								b.add(i);
							}
						
			}
			break;
		}
		case SEMI:
		case OR:
		{
			break;
		}
		default:
		{
			throw new NoViableAltException(LT(1), getFilename());
		}
		}
		}
		return b ;
	}
	
	public final void tokensSpec() throws RecognitionException, TokenStreamException {
		
		Token  t1 = null;
		Token  s1 = null;
		Token  s3 = null;
		
		match(TOKENS);
		{
		int _cnt43=0;
		_loop43:
		do {
			if ((LA(1)==STRING_LITERAL||LA(1)==TOKEN_REF)) {
				{
				switch ( LA(1)) {
				case TOKEN_REF:
				{
					if ( inputState.guessing==0 ) {
						s1=null;
					}
					t1 = LT(1);
					match(TOKEN_REF);
					{
					switch ( LA(1)) {
					case ASSIGN:
					{
						match(ASSIGN);
						s1 = LT(1);
						match(STRING_LITERAL);
						break;
					}
					case SEMI:
					case OPEN_ELEMENT_OPTION:
					{
						break;
					}
					default:
					{
						throw new NoViableAltException(LT(1), getFilename());
					}
					}
					}
					if ( inputState.guessing==0 ) {
						behavior.defineToken(t1, s1);
					}
					{
					switch ( LA(1)) {
					case OPEN_ELEMENT_OPTION:
					{
						tokensSpecOptions(t1);
						break;
					}
					case SEMI:
					{
						break;
					}
					default:
					{
						throw new NoViableAltException(LT(1), getFilename());
					}
					}
					}
					break;
				}
				case STRING_LITERAL:
				{
					s3 = LT(1);
					match(STRING_LITERAL);
					if ( inputState.guessing==0 ) {
						behavior.defineToken(null, s3);
					}
					{
					switch ( LA(1)) {
					case OPEN_ELEMENT_OPTION:
					{
						tokensSpecOptions(s3);
						break;
					}
					case SEMI:
					{
						break;
					}
					default:
					{
						throw new NoViableAltException(LT(1), getFilename());
					}
					}
					}
					break;
				}
				default:
				{
					throw new NoViableAltException(LT(1), getFilename());
				}
				}
				}
				match(SEMI);
			}
			else {
				if ( _cnt43>=1 ) { break _loop43; } else {throw new NoViableAltException(LT(1), getFilename());}
			}
			
			_cnt43++;
		} while (true);
		}
		match(RCURLY);
	}
	
	public final void tokensSpecOptions(
		Token t
	) throws RecognitionException, TokenStreamException {
		
		
			Token o=null, v=null;
		
		
		match(OPEN_ELEMENT_OPTION);
		o=id();
		match(ASSIGN);
		v=optionValue();
		if ( inputState.guessing==0 ) {
			behavior.refTokensSpecElementOption(t,o,v);
		}
		{
		_loop46:
		do {
			if ((LA(1)==SEMI)) {
				match(SEMI);
				o=id();
				match(ASSIGN);
				v=optionValue();
				if ( inputState.guessing==0 ) {
					behavior.refTokensSpecElementOption(t,o,v);
				}
			}
			else {
				break _loop46;
			}
			
		} while (true);
		}
		match(CLOSE_ELEMENT_OPTION);
	}
	
	public final String  superClass() throws RecognitionException, TokenStreamException {
		String sup;
		
		sup=null;
		
		match(LPAREN);
		if ( inputState.guessing==0 ) {
			sup = LT(1).getText();
		}
		{
		switch ( LA(1)) {
		case TOKEN_REF:
		{
			match(TOKEN_REF);
			break;
		}
		case RULE_REF:
		{
			match(RULE_REF);
			break;
		}
		default:
		{
			throw new NoViableAltException(LT(1), getFilename());
		}
		}
		}
		match(RPAREN);
		return sup;
	}
	
	public final void rule() throws RecognitionException, TokenStreamException {
		
		Token  d = null;
		Token  p1 = null;
		Token  p2 = null;
		Token  p3 = null;
		Token  aa = null;
		Token  rt = null;
		Token  a = null;
		
			String access="public"; 
			Token idTok;
			String doc=null;
			boolean ruleAutoGen = true;
			blockNesting = -1;	// block increments, so -1 to make rule at level 0
		
		
		{
		switch ( LA(1)) {
		case DOC_COMMENT:
		{
			d = LT(1);
			match(DOC_COMMENT);
			if ( inputState.guessing==0 ) {
				doc=d.getText();
			}
			break;
		}
		case TOKEN_REF:
		case RULE_REF:
		case LITERAL_protected:
		case LITERAL_public:
		case LITERAL_private:
		{
			break;
		}
		default:
		{
			throw new NoViableAltException(LT(1), getFilename());
		}
		}
		}
		{
		switch ( LA(1)) {
		case LITERAL_protected:
		{
			p1 = LT(1);
			match(LITERAL_protected);
			if ( inputState.guessing==0 ) {
				access=p1.getText();
			}
			break;
		}
		case LITERAL_public:
		{
			p2 = LT(1);
			match(LITERAL_public);
			if ( inputState.guessing==0 ) {
				access=p2.getText();
			}
			break;
		}
		case LITERAL_private:
		{
			p3 = LT(1);
			match(LITERAL_private);
			if ( inputState.guessing==0 ) {
				access=p3.getText();
			}
			break;
		}
		case TOKEN_REF:
		case RULE_REF:
		{
			break;
		}
		default:
		{
			throw new NoViableAltException(LT(1), getFilename());
		}
		}
		}
		idTok=id();
		{
		switch ( LA(1)) {
		case BANG:
		{
			match(BANG);
			if ( inputState.guessing==0 ) {
				ruleAutoGen = false;
			}
			break;
		}
		case ACTION:
		case OPTIONS:
		case ARG_ACTION:
		case LITERAL_returns:
		case COLON:
		case LITERAL_throws:
		{
			break;
		}
		default:
		{
			throw new NoViableAltException(LT(1), getFilename());
		}
		}
		}
		if ( inputState.guessing==0 ) {
			
					behavior.defineRuleName(idTok, access, ruleAutoGen, doc);
				
		}
		{
		switch ( LA(1)) {
		case ARG_ACTION:
		{
			aa = LT(1);
			match(ARG_ACTION);
			if ( inputState.guessing==0 ) {
				behavior.refArgAction(aa);
			}
			break;
		}
		case ACTION:
		case OPTIONS:
		case LITERAL_returns:
		case COLON:
		case LITERAL_throws:
		{
			break;
		}
		default:
		{
			throw new NoViableAltException(LT(1), getFilename());
		}
		}
		}
		{
		switch ( LA(1)) {
		case LITERAL_returns:
		{
			match(LITERAL_returns);
			rt = LT(1);
			match(ARG_ACTION);
			if ( inputState.guessing==0 ) {
				behavior.refReturnAction(rt);
			}
			break;
		}
		case ACTION:
		case OPTIONS:
		case COLON:
		case LITERAL_throws:
		{
			break;
		}
		default:
		{
			throw new NoViableAltException(LT(1), getFilename());
		}
		}
		}
		{
		switch ( LA(1)) {
		case LITERAL_throws:
		{
			throwsSpec();
			break;
		}
		case ACTION:
		case OPTIONS:
		case COLON:
		{
			break;
		}
		default:
		{
			throw new NoViableAltException(LT(1), getFilename());
		}
		}
		}
		{
		switch ( LA(1)) {
		case OPTIONS:
		{
			ruleOptionsSpec();
			break;
		}
		case ACTION:
		case COLON:
		{
			break;
		}
		default:
		{
			throw new NoViableAltException(LT(1), getFilename());
		}
		}
		}
		{
		switch ( LA(1)) {