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Hibernate's core ORM functionality
// $ANTLR : "graph.g" -> "GraphLexer.java"$
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* License: GNU Lesser General Public License (LGPL), version 2.1 or later.
* See the lgpl.txt file in the root directory or .
*/
package org.hibernate.graph.internal.parse;
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;
/**
* Lexer for the Hibernate EntityGraph Language grammar
*/
public class GraphLexer extends antlr.CharScanner implements HEGLTokenTypes, TokenStream
{
public GraphLexer(InputStream in) {
this(new ByteBuffer(in));
}
public GraphLexer(Reader in) {
this(new CharBuffer(in));
}
public GraphLexer(InputBuffer ib) {
this(new LexerSharedInputState(ib));
}
public GraphLexer(LexerSharedInputState state) {
super(state);
caseSensitiveLiterals = true;
setCaseSensitive(false);
literals = new Hashtable();
}
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 ':':
{
mCOLON(true);
theRetToken=_returnToken;
break;
}
case ',':
{
mCOMMA(true);
theRetToken=_returnToken;
break;
}
case '.':
{
mDOT(true);
theRetToken=_returnToken;
break;
}
case '(':
{
mLPAREN(true);
theRetToken=_returnToken;
break;
}
case ')':
{
mRPAREN(true);
theRetToken=_returnToken;
break;
}
case '\t': case '\n': case '\r': case ' ':
{
mWHITESPACE(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':
{
mNAME(true);
theRetToken=_returnToken;
break;
}
default:
{
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();
_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 mCOLON(boolean _createToken) throws RecognitionException, CharStreamException, TokenStreamException {
int _ttype; Token _token=null; int _begin=text.length();
_ttype = COLON;
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 mCOMMA(boolean _createToken) throws RecognitionException, CharStreamException, TokenStreamException {
int _ttype; Token _token=null; int _begin=text.length();
_ttype = COMMA;
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 mDOT(boolean _createToken) throws RecognitionException, CharStreamException, TokenStreamException {
int _ttype; Token _token=null; int _begin=text.length();
_ttype = DOT;
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 mWHITESPACE(boolean _createToken) throws RecognitionException, CharStreamException, TokenStreamException {
int _ttype; Token _token=null; int _begin=text.length();
_ttype = WHITESPACE;
int _saveIndex;
{
switch ( LA(1)) {
case ' ':
{
match(' ');
break;
}
case '\t':
{
match('\t');
break;
}
case '\n':
{
match('\n');
newline();
break;
}
default:
if ((LA(1)=='\r') && (LA(2)=='\n')) {
match('\r');
match('\n');
newline();
}
else if ((LA(1)=='\r') && (true)) {
match('\r');
newline();
}
else {
throw new NoViableAltForCharException((char)LA(1), getFilename(), getLine(), getColumn());
}
}
}
_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;
}
/**
* In this grammar, basically any string since we (atm) have no keywords
*/
public final void mNAME(boolean _createToken) throws RecognitionException, CharStreamException, TokenStreamException {
int _ttype; Token _token=null; int _begin=text.length();
_ttype = NAME;
int _saveIndex;
mNAME_START(false);
{
_loop784:
do {
if ((_tokenSet_0.member(LA(1)))) {
mNAME_CONTINUATION(false);
}
else {
break _loop784;
}
} 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 mNAME_START(boolean _createToken) throws RecognitionException, CharStreamException, TokenStreamException {
int _ttype; Token _token=null; int _begin=text.length();
_ttype = NAME_START;
int _saveIndex;
switch ( LA(1)) {
case '_':
{
match('_');
break;
}
case '$':
{
match('$');
break;
}
case 'a': case 'b': case 'c': case 'd':
case 'e': case 'f': case 'g': case 'h':
case 'i': case 'j': case 'k': case 'l':
case 'm': case 'n': case 'o': case 'p':
case 'q': case 'r': case 's': case 't':
case 'u': case 'v': case 'w': case 'x':
case 'y': case 'z':
{
matchRange('a','z');
break;
}
default:
{
throw new NoViableAltForCharException((char)LA(1), getFilename(), getLine(), getColumn());
}
}
if ( _createToken && _token==null && _ttype!=Token.SKIP ) {
_token = makeToken(_ttype);
_token.setText(new String(text.getBuffer(), _begin, text.length()-_begin));
}
_returnToken = _token;
}
protected final void mNAME_CONTINUATION(boolean _createToken) throws RecognitionException, CharStreamException, TokenStreamException {
int _ttype; Token _token=null; int _begin=text.length();
_ttype = NAME_CONTINUATION;
int _saveIndex;
switch ( LA(1)) {
case '$': 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':
{
mNAME_START(false);
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;
}
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;
}
private static final long[] mk_tokenSet_0() {
long[] data = new long[1025];
data[0]=287948969894477824L;
data[1]=576460745860972544L;
return data;
}
public static final BitSet _tokenSet_0 = new BitSet(mk_tokenSet_0());
}