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// $ANTLR 2.7.2: "ValidWhenParser.g" -> "ValidWhenLexer.java"$
/*
* $Id: ValidWhenLexer.java 504715 2007-02-07 22:10:26Z bayard $
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.struts.validator.validwhen;
import java.util.Stack;
import org.apache.commons.validator.util.ValidatorUtils;
import java.io.InputStream;
import antlr.TokenStreamException;
import antlr.TokenStreamIOException;
import antlr.TokenStreamRecognitionException;
import antlr.CharStreamException;
import antlr.CharStreamIOException;
import antlr.ANTLRException;
import java.io.Reader;
import java.util.Hashtable;
import antlr.CharScanner;
import antlr.InputBuffer;
import antlr.ByteBuffer;
import antlr.CharBuffer;
import antlr.Token;
import antlr.CommonToken;
import antlr.RecognitionException;
import antlr.NoViableAltForCharException;
import antlr.MismatchedCharException;
import antlr.TokenStream;
import antlr.ANTLRHashString;
import antlr.LexerSharedInputState;
import antlr.collections.impl.BitSet;
import antlr.SemanticException;
public class ValidWhenLexer extends antlr.CharScanner implements ValidWhenParserTokenTypes, TokenStream
{
public ValidWhenLexer(InputStream in) {
this(new ByteBuffer(in));
}
public ValidWhenLexer(Reader in) {
this(new CharBuffer(in));
}
public ValidWhenLexer(InputBuffer ib) {
this(new LexerSharedInputState(ib));
}
public ValidWhenLexer(LexerSharedInputState state) {
super(state);
caseSensitiveLiterals = true;
setCaseSensitive(false);
literals = new Hashtable();
literals.put(new ANTLRHashString("null", this), new Integer(11));
literals.put(new ANTLRHashString("or", this), new Integer(16));
literals.put(new ANTLRHashString("and", this), new Integer(15));
}
public Token nextToken() throws TokenStreamException {
Token theRetToken=null;
tryAgain:
for (;;) {
Token _token = null;
int _ttype = Token.INVALID_TYPE;
resetText();
try { // for char stream error handling
try { // for lexical error handling
switch ( LA(1)) {
case '\t': case '\n': case '\r': case ' ':
{
mWS(true);
theRetToken=_returnToken;
break;
}
case '-': case '1': case '2': case '3':
case '4': case '5': case '6': case '7':
case '8': case '9':
{
mDECIMAL_LITERAL(true);
theRetToken=_returnToken;
break;
}
case '"': case '\'':
{
mSTRING_LITERAL(true);
theRetToken=_returnToken;
break;
}
case '[':
{
mLBRACKET(true);
theRetToken=_returnToken;
break;
}
case ']':
{
mRBRACKET(true);
theRetToken=_returnToken;
break;
}
case '(':
{
mLPAREN(true);
theRetToken=_returnToken;
break;
}
case ')':
{
mRPAREN(true);
theRetToken=_returnToken;
break;
}
case '*':
{
mTHIS(true);
theRetToken=_returnToken;
break;
}
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':
{
mIDENTIFIER(true);
theRetToken=_returnToken;
break;
}
case '=':
{
mEQUALSIGN(true);
theRetToken=_returnToken;
break;
}
case '!':
{
mNOTEQUALSIGN(true);
theRetToken=_returnToken;
break;
}
default:
if ((LA(1)=='0') && (LA(2)=='x')) {
mHEX_LITERAL(true);
theRetToken=_returnToken;
}
else if ((LA(1)=='<') && (LA(2)=='=')) {
mLESSEQUALSIGN(true);
theRetToken=_returnToken;
}
else if ((LA(1)=='>') && (LA(2)=='=')) {
mGREATEREQUALSIGN(true);
theRetToken=_returnToken;
}
else if ((LA(1)=='0') && (true)) {
mOCTAL_LITERAL(true);
theRetToken=_returnToken;
}
else if ((LA(1)=='<') && (true)) {
mLESSTHANSIGN(true);
theRetToken=_returnToken;
}
else if ((LA(1)=='>') && (true)) {
mGREATERTHANSIGN(true);
theRetToken=_returnToken;
}
else {
if (LA(1)==EOF_CHAR) {uponEOF(); _returnToken = makeToken(Token.EOF_TYPE);}
else {throw new NoViableAltForCharException((char)LA(1), getFilename(), getLine(), getColumn());}
}
}
if ( _returnToken==null ) continue tryAgain; // found SKIP token
_ttype = _returnToken.getType();
_ttype = testLiteralsTable(_ttype);
_returnToken.setType(_ttype);
return _returnToken;
}
catch (RecognitionException e) {
throw new TokenStreamRecognitionException(e);
}
}
catch (CharStreamException cse) {
if ( cse instanceof CharStreamIOException ) {
throw new TokenStreamIOException(((CharStreamIOException)cse).io);
}
else {
throw new TokenStreamException(cse.getMessage());
}
}
}
}
public final void mWS(boolean _createToken) throws RecognitionException, CharStreamException, TokenStreamException {
int _ttype; Token _token=null; int _begin=text.length();
_ttype = WS;
int _saveIndex;
{
int _cnt15=0;
_loop15:
do {
switch ( LA(1)) {
case ' ':
{
match(' ');
break;
}
case '\t':
{
match('\t');
break;
}
case '\n':
{
match('\n');
break;
}
case '\r':
{
match('\r');
break;
}
default:
{
if ( _cnt15>=1 ) { break _loop15; } else {throw new NoViableAltForCharException((char)LA(1), getFilename(), getLine(), getColumn());}
}
}
_cnt15++;
} while (true);
}
_ttype = Token.SKIP;
if ( _createToken && _token==null && _ttype!=Token.SKIP ) {
_token = makeToken(_ttype);
_token.setText(new String(text.getBuffer(), _begin, text.length()-_begin));
}
_returnToken = _token;
}
public final void mDECIMAL_LITERAL(boolean _createToken) throws RecognitionException, CharStreamException, TokenStreamException {
int _ttype; Token _token=null; int _begin=text.length();
_ttype = DECIMAL_LITERAL;
int _saveIndex;
{
switch ( LA(1)) {
case '-':
{
match('-');
break;
}
case '1': case '2': case '3': case '4':
case '5': case '6': case '7': case '8':
case '9':
{
break;
}
default:
{
throw new NoViableAltForCharException((char)LA(1), getFilename(), getLine(), getColumn());
}
}
}
{
matchRange('1','9');
}
{
_loop20:
do {
if (((LA(1) >= '0' && LA(1) <= '9'))) {
matchRange('0','9');
}
else {
break _loop20;
}
} while (true);
}
if ( _createToken && _token==null && _ttype!=Token.SKIP ) {
_token = makeToken(_ttype);
_token.setText(new String(text.getBuffer(), _begin, text.length()-_begin));
}
_returnToken = _token;
}
public final void mHEX_LITERAL(boolean _createToken) throws RecognitionException, CharStreamException, TokenStreamException {
int _ttype; Token _token=null; int _begin=text.length();
_ttype = HEX_LITERAL;
int _saveIndex;
match('0');
match('x');
{
int _cnt23=0;
_loop23:
do {
switch ( LA(1)) {
case '0': case '1': case '2': case '3':
case '4': case '5': case '6': case '7':
case '8': case '9':
{
matchRange('0','9');
break;
}
case 'a': case 'b': case 'c': case 'd':
case 'e': case 'f':
{
matchRange('a','f');
break;
}
default:
{
if ( _cnt23>=1 ) { break _loop23; } else {throw new NoViableAltForCharException((char)LA(1), getFilename(), getLine(), getColumn());}
}
}
_cnt23++;
} while (true);
}
if ( _createToken && _token==null && _ttype!=Token.SKIP ) {
_token = makeToken(_ttype);
_token.setText(new String(text.getBuffer(), _begin, text.length()-_begin));
}
_returnToken = _token;
}
public final void mOCTAL_LITERAL(boolean _createToken) throws RecognitionException, CharStreamException, TokenStreamException {
int _ttype; Token _token=null; int _begin=text.length();
_ttype = OCTAL_LITERAL;
int _saveIndex;
match('0');
{
_loop26:
do {
if (((LA(1) >= '0' && LA(1) <= '7'))) {
matchRange('0','7');
}
else {
break _loop26;
}
} while (true);
}
if ( _createToken && _token==null && _ttype!=Token.SKIP ) {
_token = makeToken(_ttype);
_token.setText(new String(text.getBuffer(), _begin, text.length()-_begin));
}
_returnToken = _token;
}
public final void mSTRING_LITERAL(boolean _createToken) throws RecognitionException, CharStreamException, TokenStreamException {
int _ttype; Token _token=null; int _begin=text.length();
_ttype = STRING_LITERAL;
int _saveIndex;
switch ( LA(1)) {
case '\'':
{
{
match('\'');
{
int _cnt30=0;
_loop30:
do {
if ((_tokenSet_0.member(LA(1)))) {
matchNot('\'');
}
else {
if ( _cnt30>=1 ) { break _loop30; } else {throw new NoViableAltForCharException((char)LA(1), getFilename(), getLine(), getColumn());}
}
_cnt30++;
} while (true);
}
match('\'');
}
break;
}
case '"':
{
{
match('\"');
{
int _cnt33=0;
_loop33:
do {
if ((_tokenSet_1.member(LA(1)))) {
matchNot('\"');
}
else {
if ( _cnt33>=1 ) { break _loop33; } else {throw new NoViableAltForCharException((char)LA(1), getFilename(), getLine(), getColumn());}
}
_cnt33++;
} while (true);
}
match('\"');
}
break;
}
default:
{
throw new NoViableAltForCharException((char)LA(1), getFilename(), getLine(), getColumn());
}
}
if ( _createToken && _token==null && _ttype!=Token.SKIP ) {
_token = makeToken(_ttype);
_token.setText(new String(text.getBuffer(), _begin, text.length()-_begin));
}
_returnToken = _token;
}
public final void mLBRACKET(boolean _createToken) throws RecognitionException, CharStreamException, TokenStreamException {
int _ttype; Token _token=null; int _begin=text.length();
_ttype = LBRACKET;
int _saveIndex;
match('[');
if ( _createToken && _token==null && _ttype!=Token.SKIP ) {
_token = makeToken(_ttype);
_token.setText(new String(text.getBuffer(), _begin, text.length()-_begin));
}
_returnToken = _token;
}
public final void mRBRACKET(boolean _createToken) throws RecognitionException, CharStreamException, TokenStreamException {
int _ttype; Token _token=null; int _begin=text.length();
_ttype = RBRACKET;
int _saveIndex;
match(']');
if ( _createToken && _token==null && _ttype!=Token.SKIP ) {
_token = makeToken(_ttype);
_token.setText(new String(text.getBuffer(), _begin, text.length()-_begin));
}
_returnToken = _token;
}
public final void mLPAREN(boolean _createToken) throws RecognitionException, CharStreamException, TokenStreamException {
int _ttype; Token _token=null; int _begin=text.length();
_ttype = LPAREN;
int _saveIndex;
match('(');
if ( _createToken && _token==null && _ttype!=Token.SKIP ) {
_token = makeToken(_ttype);
_token.setText(new String(text.getBuffer(), _begin, text.length()-_begin));
}
_returnToken = _token;
}
public final void mRPAREN(boolean _createToken) throws RecognitionException, CharStreamException, TokenStreamException {
int _ttype; Token _token=null; int _begin=text.length();
_ttype = RPAREN;
int _saveIndex;
match(')');
if ( _createToken && _token==null && _ttype!=Token.SKIP ) {
_token = makeToken(_ttype);
_token.setText(new String(text.getBuffer(), _begin, text.length()-_begin));
}
_returnToken = _token;
}
public final void mTHIS(boolean _createToken) throws RecognitionException, CharStreamException, TokenStreamException {
int _ttype; Token _token=null; int _begin=text.length();
_ttype = THIS;
int _saveIndex;
match("*this*");
if ( _createToken && _token==null && _ttype!=Token.SKIP ) {
_token = makeToken(_ttype);
_token.setText(new String(text.getBuffer(), _begin, text.length()-_begin));
}
_returnToken = _token;
}
public final void mIDENTIFIER(boolean _createToken) throws RecognitionException, CharStreamException, TokenStreamException {
int _ttype; Token _token=null; int _begin=text.length();
_ttype = IDENTIFIER;
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':
{
matchRange('a','z');
break;
}
case '.':
{
match('.');
break;
}
case '_':
{
match('_');
break;
}
default:
{
throw new NoViableAltForCharException((char)LA(1), getFilename(), getLine(), getColumn());
}
}
}
{
int _cnt42=0;
_loop42:
do {
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':
{
matchRange('a','z');
break;
}
case '0': case '1': case '2': case '3':
case '4': case '5': case '6': case '7':
case '8': case '9':
{
matchRange('0','9');
break;
}
case '.':
{
match('.');
break;
}
case '_':
{
match('_');
break;
}
default:
{
if ( _cnt42>=1 ) { break _loop42; } else {throw new NoViableAltForCharException((char)LA(1), getFilename(), getLine(), getColumn());}
}
}
_cnt42++;
} while (true);
}
if ( _createToken && _token==null && _ttype!=Token.SKIP ) {
_token = makeToken(_ttype);
_token.setText(new String(text.getBuffer(), _begin, text.length()-_begin));
}
_returnToken = _token;
}
public final void mEQUALSIGN(boolean _createToken) throws RecognitionException, CharStreamException, TokenStreamException {
int _ttype; Token _token=null; int _begin=text.length();
_ttype = EQUALSIGN;
int _saveIndex;
match('=');
match('=');
if ( _createToken && _token==null && _ttype!=Token.SKIP ) {
_token = makeToken(_ttype);
_token.setText(new String(text.getBuffer(), _begin, text.length()-_begin));
}
_returnToken = _token;
}
public final void mNOTEQUALSIGN(boolean _createToken) throws RecognitionException, CharStreamException, TokenStreamException {
int _ttype; Token _token=null; int _begin=text.length();
_ttype = NOTEQUALSIGN;
int _saveIndex;
match('!');
match('=');
if ( _createToken && _token==null && _ttype!=Token.SKIP ) {
_token = makeToken(_ttype);
_token.setText(new String(text.getBuffer(), _begin, text.length()-_begin));
}
_returnToken = _token;
}
public final void mLESSTHANSIGN(boolean _createToken) throws RecognitionException, CharStreamException, TokenStreamException {
int _ttype; Token _token=null; int _begin=text.length();
_ttype = LESSTHANSIGN;
int _saveIndex;
match('<');
if ( _createToken && _token==null && _ttype!=Token.SKIP ) {
_token = makeToken(_ttype);
_token.setText(new String(text.getBuffer(), _begin, text.length()-_begin));
}
_returnToken = _token;
}
public final void mGREATERTHANSIGN(boolean _createToken) throws RecognitionException, CharStreamException, TokenStreamException {
int _ttype; Token _token=null; int _begin=text.length();
_ttype = GREATERTHANSIGN;
int _saveIndex;
match('>');
if ( _createToken && _token==null && _ttype!=Token.SKIP ) {
_token = makeToken(_ttype);
_token.setText(new String(text.getBuffer(), _begin, text.length()-_begin));
}
_returnToken = _token;
}
public final void mLESSEQUALSIGN(boolean _createToken) throws RecognitionException, CharStreamException, TokenStreamException {
int _ttype; Token _token=null; int _begin=text.length();
_ttype = LESSEQUALSIGN;
int _saveIndex;
match('<');
match('=');
if ( _createToken && _token==null && _ttype!=Token.SKIP ) {
_token = makeToken(_ttype);
_token.setText(new String(text.getBuffer(), _begin, text.length()-_begin));
}
_returnToken = _token;
}
public final void mGREATEREQUALSIGN(boolean _createToken) throws RecognitionException, CharStreamException, TokenStreamException {
int _ttype; Token _token=null; int _begin=text.length();
_ttype = GREATEREQUALSIGN;
int _saveIndex;
match('>');
match('=');
if ( _createToken && _token==null && _ttype!=Token.SKIP ) {
_token = makeToken(_ttype);
_token.setText(new String(text.getBuffer(), _begin, text.length()-_begin));
}
_returnToken = _token;
}
private static final long[] mk_tokenSet_0() {
long[] data = { -554050771456L, 9223372036854775807L, 0L, 0L};
return data;
}
public static final BitSet _tokenSet_0 = new BitSet(mk_tokenSet_0());
private static final long[] mk_tokenSet_1() {
long[] data = { -21474826752L, 9223372036854775807L, 0L, 0L};
return data;
}
public static final BitSet _tokenSet_1 = new BitSet(mk_tokenSet_1());
}
