/* Generated By:JavaCC: Do not edit this line. SimpleDBParser.java */
package org.springframework.data.simpledb.parser;
import java.io.StringReader;
public class SimpleDBParser implements SimpleDBParserConstants {
public SimpleDBParser(String input) {
this(new StringReader(input));
}
/*****************************************
* The SimpleDB grammar starts here *
*****************************************
*/
/**
* select output_list
* from domain_name
* [where expression]
* [sort_instructions]
* [limit limit]
*
*/
final public void selectQuery() throws ParseException {
select();
from();
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case WHERE:
where();
break;
default:
jj_la1[0] = jj_gen;
;
}
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case ORDER_BY:
sort();
break;
default:
jj_la1[1] = jj_gen;
;
}
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case LIMIT:
limit();
break;
default:
jj_la1[2] = jj_gen;
;
}
jj_consume_token(0);
}
final private void select() throws ParseException {
jj_consume_token(SELECT);
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case ALL_ITEMS:
jj_consume_token(ALL_ITEMS);
break;
case ITEM_NAME:
jj_consume_token(ITEM_NAME);
break;
case COUNT:
jj_consume_token(COUNT);
break;
case IDENTIFIER:
case BACKTICK:
listOfAttributes();
break;
default:
jj_la1[3] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
}
final private void listOfAttributes() throws ParseException {
attributeName();
label_1:
while (true) {
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case COMMA:
;
break;
default:
jj_la1[4] = jj_gen;
break label_1;
}
jj_consume_token(COMMA);
attributeName();
}
}
final private void from() throws ParseException {
jj_consume_token(FROM);
domainName();
}
final private void domainName() throws ParseException {
attributeName();
}
final private void attributeName() throws ParseException {
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case BACKTICK:
jj_consume_token(BACKTICK);
jj_consume_token(IDENTIFIER);
label_2:
while (true) {
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case DOT:
;
break;
default:
jj_la1[5] = jj_gen;
break label_2;
}
jj_consume_token(DOT);
jj_consume_token(IDENTIFIER);
}
jj_consume_token(BACKTICK);
break;
case IDENTIFIER:
jj_consume_token(IDENTIFIER);
break;
default:
jj_la1[6] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
}
final private void whereAttribute() throws ParseException {
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case ITEM_NAME:
jj_consume_token(ITEM_NAME);
break;
case IDENTIFIER:
case BACKTICK:
attributeName();
break;
case EVERY:
jj_consume_token(EVERY);
break;
default:
jj_la1[7] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
}
final private void whereOperator() throws ParseException {
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case AND:
jj_consume_token(AND);
break;
case OR:
jj_consume_token(OR);
break;
case INTERSECTION:
jj_consume_token(INTERSECTION);
break;
default:
jj_la1[8] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
}
final private void where() throws ParseException {
jj_consume_token(WHERE);
whereExpression();
}
final private void whereExpression() throws ParseException {
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case NOT:
jj_consume_token(NOT);
whereExpression();
break;
case LPAREN:
jj_consume_token(LPAREN);
whereExpression();
jj_consume_token(RPAREN);
break;
case ITEM_NAME:
case EVERY:
case IDENTIFIER:
case BACKTICK:
simpleComparison();
break;
default:
jj_la1[9] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case AND:
case OR:
case INTERSECTION:
whereOperator();
whereExpression();
break;
default:
jj_la1[10] = jj_gen;
;
}
}
final private void simpleComparison() throws ParseException {
whereAttribute();
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case EQUALS:
case NOT_EQUALS:
case GTEQ:
case GT:
case LTEQ:
case LT:
simpleComparisonExpression();
break;
case LIKE:
case NOT_LIKE:
likeComparisonExpression();
break;
case BETWEEN:
betweenComparisonExpression();
break;
case IN:
inComparisonExpression();
break;
case IS_NOT_NULL:
case IS_NULL:
unaryComparisonExpression();
break;
default:
jj_la1[11] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
}
final private void simpleComparisonExpression() throws ParseException {
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case EQUALS:
jj_consume_token(EQUALS);
break;
case NOT_EQUALS:
jj_consume_token(NOT_EQUALS);
break;
case GT:
jj_consume_token(GT);
break;
case GTEQ:
jj_consume_token(GTEQ);
break;
case LT:
jj_consume_token(LT);
break;
case LTEQ:
jj_consume_token(LTEQ);
break;
default:
jj_la1[12] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
jj_consume_token(QUOTED_STRING_LITERAL);
}
final private void likeComparisonExpression() throws ParseException {
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case LIKE:
jj_consume_token(LIKE);
break;
case NOT_LIKE:
jj_consume_token(NOT_LIKE);
break;
default:
jj_la1[13] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case QUOTED_STRING_LITERAL_NO_PERCENT_1:
jj_consume_token(QUOTED_STRING_LITERAL_NO_PERCENT_1);
break;
case QUOTED_STRING_LITERAL_NO_PERCENT_2:
jj_consume_token(QUOTED_STRING_LITERAL_NO_PERCENT_2);
break;
default:
jj_la1[14] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
}
final private void betweenComparisonExpression() throws ParseException {
jj_consume_token(BETWEEN);
jj_consume_token(QUOTED_STRING_LITERAL);
jj_consume_token(AND);
jj_consume_token(QUOTED_STRING_LITERAL);
}
final private void inComparisonExpression() throws ParseException {
jj_consume_token(IN);
jj_consume_token(LPAREN);
jj_consume_token(QUOTED_STRING_LITERAL);
label_3:
while (true) {
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case COMMA:
;
break;
default:
jj_la1[15] = jj_gen;
break label_3;
}
jj_consume_token(COMMA);
jj_consume_token(QUOTED_STRING_LITERAL);
}
jj_consume_token(RPAREN);
}
final private void unaryComparisonExpression() throws ParseException {
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case IS_NULL:
jj_consume_token(IS_NULL);
break;
case IS_NOT_NULL:
jj_consume_token(IS_NOT_NULL);
break;
default:
jj_la1[16] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
}
final private void sort() throws ParseException {
jj_consume_token(ORDER_BY);
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case ITEM_NAME:
jj_consume_token(ITEM_NAME);
break;
case IDENTIFIER:
case BACKTICK:
attributeName();
break;
default:
jj_la1[17] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case ASC:
case DESC:
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case ASC:
jj_consume_token(ASC);
break;
case DESC:
jj_consume_token(DESC);
break;
default:
jj_la1[18] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
break;
default:
jj_la1[19] = jj_gen;
;
}
}
final private void limit() throws ParseException {
jj_consume_token(LIMIT);
jj_consume_token(NUMBER);
}
/** Generated Token Manager. */
public SimpleDBParserTokenManager token_source;
SimpleCharStream jj_input_stream;
/** Current token. */
public Token token;
/** Next token. */
public Token jj_nt;
private int jj_ntk;
private int jj_gen;
final private int[] jj_la1 = new int[20];
static private int[] jj_la1_0;
static private int[] jj_la1_1;
static {
jj_la1_init_0();
jj_la1_init_1();
}
private static void jj_la1_init_0() {
jj_la1_0 = new int[] {0x100,0x200,0x400,0xe000,0x0,0x0,0x0,0x10008000,0xe0000000,0x10008000,0xe0000000,0xfff0000,0x3f0000,0xc00000,0x0,0x0,0x6000000,0x8000,0x1800,0x1800,};
}
private static void jj_la1_init_1() {
jj_la1_1 = new int[] {0x0,0x0,0x0,0x10010,0x1000,0x2000,0x10010,0x10010,0x0,0x10111,0x0,0x0,0x0,0x0,0x6,0x1000,0x0,0x10010,0x0,0x0,};
}
/** Constructor with InputStream. */
public SimpleDBParser(java.io.InputStream stream) {
this(stream, null);
}
/** Constructor with InputStream and supplied encoding */
public SimpleDBParser(java.io.InputStream stream, String encoding) {
try { jj_input_stream = new SimpleCharStream(stream, encoding, 1, 1); } catch(java.io.UnsupportedEncodingException e) { throw new RuntimeException(e); }
token_source = new SimpleDBParserTokenManager(jj_input_stream);
token = new Token();
jj_ntk = -1;
jj_gen = 0;
for (int i = 0; i < 20; i++) jj_la1[i] = -1;
}
/** Reinitialise. */
public void ReInit(java.io.InputStream stream) {
ReInit(stream, null);
}
/** Reinitialise. */
public void ReInit(java.io.InputStream stream, String encoding) {
try { jj_input_stream.ReInit(stream, encoding, 1, 1); } catch(java.io.UnsupportedEncodingException e) { throw new RuntimeException(e); }
token_source.ReInit(jj_input_stream);
token = new Token();
jj_ntk = -1;
jj_gen = 0;
for (int i = 0; i < 20; i++) jj_la1[i] = -1;
}
/** Constructor. */
public SimpleDBParser(java.io.Reader stream) {
jj_input_stream = new SimpleCharStream(stream, 1, 1);
token_source = new SimpleDBParserTokenManager(jj_input_stream);
token = new Token();
jj_ntk = -1;
jj_gen = 0;
for (int i = 0; i < 20; i++) jj_la1[i] = -1;
}
/** Reinitialise. */
public void ReInit(java.io.Reader stream) {
jj_input_stream.ReInit(stream, 1, 1);
token_source.ReInit(jj_input_stream);
token = new Token();
jj_ntk = -1;
jj_gen = 0;
for (int i = 0; i < 20; i++) jj_la1[i] = -1;
}
/** Constructor with generated Token Manager. */
public SimpleDBParser(SimpleDBParserTokenManager tm) {
token_source = tm;
token = new Token();
jj_ntk = -1;
jj_gen = 0;
for (int i = 0; i < 20; i++) jj_la1[i] = -1;
}
/** Reinitialise. */
public void ReInit(SimpleDBParserTokenManager tm) {
token_source = tm;
token = new Token();
jj_ntk = -1;
jj_gen = 0;
for (int i = 0; i < 20; i++) jj_la1[i] = -1;
}
private Token jj_consume_token(int kind) throws ParseException {
Token oldToken;
if ((oldToken = token).next != null) token = token.next;
else token = token.next = token_source.getNextToken();
jj_ntk = -1;
if (token.kind == kind) {
jj_gen++;
return token;
}
token = oldToken;
jj_kind = kind;
throw generateParseException();
}
/** Get the next Token. */
final public Token getNextToken() {
if (token.next != null) token = token.next;
else token = token.next = token_source.getNextToken();
jj_ntk = -1;
jj_gen++;
return token;
}
/** Get the specific Token. */
final public Token getToken(int index) {
Token t = token;
for (int i = 0; i < index; i++) {
if (t.next != null) t = t.next;
else t = t.next = token_source.getNextToken();
}
return t;
}
private int jj_ntk() {
if ((jj_nt=token.next) == null)
return (jj_ntk = (token.next=token_source.getNextToken()).kind);
else
return (jj_ntk = jj_nt.kind);
}
private java.util.List<int[]> jj_expentries = new java.util.ArrayList<int[]>();
private int[] jj_expentry;
private int jj_kind = -1;
/** Generate ParseException. */
public ParseException generateParseException() {
jj_expentries.clear();
boolean[] la1tokens = new boolean[50];
if (jj_kind >= 0) {
la1tokens[jj_kind] = true;
jj_kind = -1;
}
for (int i = 0; i < 20; i++) {
if (jj_la1[i] == jj_gen) {
for (int j = 0; j < 32; j++) {
if ((jj_la1_0[i] & (1<<j)) != 0) {
la1tokens[j] = true;
}
if ((jj_la1_1[i] & (1<<j)) != 0) {
la1tokens[32+j] = true;
}
}
}
}
for (int i = 0; i < 50; i++) {
if (la1tokens[i]) {
jj_expentry = new int[1];
jj_expentry[0] = i;
jj_expentries.add(jj_expentry);
}
}
int[][] exptokseq = new int[jj_expentries.size()][];
for (int i = 0; i < jj_expentries.size(); i++) {
exptokseq[i] = jj_expentries.get(i);
}
return new ParseException(token, exptokseq, tokenImage);
}
/** Enable tracing. */
final public void enable_tracing() {
}
/** Disable tracing. */
final public void disable_tracing() {
}
}