| /* Generated By:JavaCC: Do not edit this line. QueryParser.java */ |
| package org.apache.solr.parser; |
| |
| import java.io.StringReader; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Set; |
| |
| import org.apache.lucene.analysis.Analyzer; |
| import org.apache.lucene.search.BooleanClause; |
| import org.apache.lucene.search.Query; |
| import org.apache.solr.search.SyntaxError; |
| import org.apache.solr.search.QParser; |
| |
| |
| public class QueryParser extends SolrQueryParserBase implements QueryParserConstants { |
| /** The default operator for parsing queries. |
| */ |
| static public enum Operator { OR, AND } |
| |
| /** default split on whitespace behavior */ |
| public static final boolean DEFAULT_SPLIT_ON_WHITESPACE = false; |
| |
| public QueryParser(String defaultField, QParser parser) { |
| this(new FastCharStream(new StringReader(""))); |
| init(defaultField, parser); |
| } |
| |
| /** |
| * @see #setSplitOnWhitespace(boolean) |
| */ |
| public boolean getSplitOnWhitespace() { |
| return splitOnWhitespace; |
| } |
| |
| /** |
| * Whether query text should be split on whitespace prior to analysis. |
| * Default is <code>{@value #DEFAULT_SPLIT_ON_WHITESPACE}</code>. |
| */ |
| public void setSplitOnWhitespace(boolean splitOnWhitespace) { |
| this.splitOnWhitespace = splitOnWhitespace; |
| } |
| |
| private boolean splitOnWhitespace = DEFAULT_SPLIT_ON_WHITESPACE; |
| private static Set<Integer> disallowedPostMultiTerm |
| = new HashSet<Integer>(Arrays.asList(COLON, STAR, FUZZY_SLOP, CARAT, AND, OR)); |
| private static boolean allowedPostMultiTerm(int tokenKind) { |
| return disallowedPostMultiTerm.contains(tokenKind) == false; |
| } |
| |
| @Override |
| protected Query newFieldQuery(Analyzer analyzer, String field, String queryText, |
| boolean quoted, boolean fieldAutoGenPhraseQueries, boolean fieldEnableGraphQueries, |
| SynonymQueryStyle synonymQueryStyle) |
| throws SyntaxError { |
| setAutoGenerateMultiTermSynonymsPhraseQuery(fieldAutoGenPhraseQueries || getAutoGeneratePhraseQueries()); |
| // Don't auto-quote graph-aware field queries |
| boolean treatAsQuoted = getSplitOnWhitespace() |
| ? (quoted || fieldAutoGenPhraseQueries || getAutoGeneratePhraseQueries()) : quoted; |
| return super.newFieldQuery(analyzer, field, queryText, treatAsQuoted, false, fieldEnableGraphQueries, synonymQueryStyle); |
| } |
| |
| // * Query ::= ( Clause )* |
| // * Clause ::= ["+", "-"] [<TERM> ":"] ( <TERM> | "(" Query ")" ) |
| final public int Conjunction() throws ParseException { |
| int ret = CONJ_NONE; |
| switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { |
| case AND: |
| case OR: |
| switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { |
| case AND: |
| jj_consume_token(AND); |
| ret = CONJ_AND; |
| break; |
| case OR: |
| jj_consume_token(OR); |
| ret = CONJ_OR; |
| break; |
| default: |
| jj_la1[0] = jj_gen; |
| jj_consume_token(-1); |
| throw new ParseException(); |
| } |
| break; |
| default: |
| jj_la1[1] = jj_gen; |
| ; |
| } |
| {if (true) return ret;} |
| throw new Error("Missing return statement in function"); |
| } |
| |
| final public int Modifiers() throws ParseException { |
| int ret = MOD_NONE; |
| switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { |
| case NOT: |
| case PLUS: |
| case MINUS: |
| switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { |
| case PLUS: |
| jj_consume_token(PLUS); |
| ret = MOD_REQ; |
| break; |
| case MINUS: |
| jj_consume_token(MINUS); |
| ret = MOD_NOT; |
| break; |
| case NOT: |
| jj_consume_token(NOT); |
| ret = MOD_NOT; |
| break; |
| default: |
| jj_la1[2] = jj_gen; |
| jj_consume_token(-1); |
| throw new ParseException(); |
| } |
| break; |
| default: |
| jj_la1[3] = jj_gen; |
| ; |
| } |
| {if (true) return ret;} |
| throw new Error("Missing return statement in function"); |
| } |
| |
| // This makes sure that there is no garbage after the query string |
| final public Query TopLevelQuery(String field) throws ParseException, SyntaxError { |
| Query q; |
| q = Query(field); |
| jj_consume_token(0); |
| {if (true) return q;} |
| throw new Error("Missing return statement in function"); |
| } |
| |
| final public Query Query(String field) throws ParseException, SyntaxError { |
| List<BooleanClause> clauses = new ArrayList<BooleanClause>(); |
| Query q; |
| int conj, mods; |
| if (jj_2_1(2)) { |
| MultiTerm(field, clauses); |
| } else { |
| switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { |
| case NOT: |
| case PLUS: |
| case MINUS: |
| case BAREOPER: |
| case LPAREN: |
| case STAR: |
| case QUOTED: |
| case TERM: |
| case PREFIXTERM: |
| case WILDTERM: |
| case REGEXPTERM: |
| case RANGEIN_START: |
| case RANGEEX_START: |
| case LPARAMS: |
| case FILTER: |
| case NUMBER: |
| mods = Modifiers(); |
| q = Clause(field); |
| addClause(clauses, CONJ_NONE, mods, q); |
| break; |
| default: |
| jj_la1[4] = jj_gen; |
| jj_consume_token(-1); |
| throw new ParseException(); |
| } |
| } |
| label_1: |
| while (true) { |
| switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { |
| case AND: |
| case OR: |
| case NOT: |
| case PLUS: |
| case MINUS: |
| case BAREOPER: |
| case LPAREN: |
| case STAR: |
| case QUOTED: |
| case TERM: |
| case PREFIXTERM: |
| case WILDTERM: |
| case REGEXPTERM: |
| case RANGEIN_START: |
| case RANGEEX_START: |
| case LPARAMS: |
| case FILTER: |
| case NUMBER: |
| ; |
| break; |
| default: |
| jj_la1[5] = jj_gen; |
| break label_1; |
| } |
| if (jj_2_2(2)) { |
| MultiTerm(field, clauses); |
| } else { |
| switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { |
| case AND: |
| case OR: |
| case NOT: |
| case PLUS: |
| case MINUS: |
| case BAREOPER: |
| case LPAREN: |
| case STAR: |
| case QUOTED: |
| case TERM: |
| case PREFIXTERM: |
| case WILDTERM: |
| case REGEXPTERM: |
| case RANGEIN_START: |
| case RANGEEX_START: |
| case LPARAMS: |
| case FILTER: |
| case NUMBER: |
| conj = Conjunction(); |
| mods = Modifiers(); |
| q = Clause(field); |
| addClause(clauses, conj, mods, q); |
| break; |
| default: |
| jj_la1[6] = jj_gen; |
| jj_consume_token(-1); |
| throw new ParseException(); |
| } |
| } |
| } |
| if (clauses.size() == 1 && clauses.get(0).getOccur() == BooleanClause.Occur.SHOULD) { |
| Query firstQuery = clauses.get(0).getQuery(); |
| if ( ! (firstQuery instanceof RawQuery) || ((RawQuery)firstQuery).getTermCount() == 1) { |
| {if (true) return rawToNormal(firstQuery);} |
| } |
| } |
| {if (true) return getBooleanQuery(clauses);} |
| throw new Error("Missing return statement in function"); |
| } |
| |
| final public Query Clause(String field) throws ParseException, SyntaxError { |
| Query q; |
| Token fieldToken=null, boost=null; |
| Token localParams=null; |
| int flags = 0; |
| if (jj_2_3(2)) { |
| switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { |
| case TERM: |
| fieldToken = jj_consume_token(TERM); |
| jj_consume_token(COLON); |
| field = discardEscapeChar(fieldToken.image); |
| break; |
| case STAR: |
| jj_consume_token(STAR); |
| jj_consume_token(COLON); |
| field = "*"; |
| break; |
| default: |
| jj_la1[7] = jj_gen; |
| jj_consume_token(-1); |
| throw new ParseException(); |
| } |
| } else { |
| ; |
| } |
| switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { |
| case BAREOPER: |
| case STAR: |
| case QUOTED: |
| case TERM: |
| case PREFIXTERM: |
| case WILDTERM: |
| case REGEXPTERM: |
| case RANGEIN_START: |
| case RANGEEX_START: |
| case NUMBER: |
| q = Term(field); |
| break; |
| case LPAREN: |
| jj_consume_token(LPAREN); |
| q = Query(field); |
| jj_consume_token(RPAREN); |
| switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { |
| case CARAT: |
| jj_consume_token(CARAT); |
| boost = jj_consume_token(NUMBER); |
| break; |
| default: |
| jj_la1[8] = jj_gen; |
| ; |
| } |
| break; |
| case FILTER: |
| jj_consume_token(FILTER); |
| flags=startFilter(); |
| q = Query(field); |
| jj_consume_token(RPAREN); |
| switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { |
| case CARAT: |
| jj_consume_token(CARAT); |
| boost = jj_consume_token(NUMBER); |
| break; |
| default: |
| jj_la1[9] = jj_gen; |
| ; |
| } |
| q=getFilter(q); restoreFlags(flags); |
| break; |
| case LPARAMS: |
| localParams = jj_consume_token(LPARAMS); |
| switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { |
| case CARAT: |
| jj_consume_token(CARAT); |
| boost = jj_consume_token(NUMBER); |
| break; |
| default: |
| jj_la1[10] = jj_gen; |
| ; |
| } |
| q=getLocalParams(field, localParams.image); |
| break; |
| default: |
| jj_la1[11] = jj_gen; |
| jj_consume_token(-1); |
| throw new ParseException(); |
| } |
| {if (true) return handleBoost(q, boost);} |
| throw new Error("Missing return statement in function"); |
| } |
| |
| final public Query Term(String field) throws ParseException, SyntaxError { |
| Token term, boost=null, fuzzySlop=null, goop1, goop2; |
| boolean prefix = false; |
| boolean wildcard = false; |
| boolean fuzzy = false; |
| boolean regexp = false; |
| boolean startInc=false; |
| boolean endInc=false; |
| Query q; |
| switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { |
| case BAREOPER: |
| case STAR: |
| case TERM: |
| case PREFIXTERM: |
| case WILDTERM: |
| case REGEXPTERM: |
| case NUMBER: |
| switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { |
| case TERM: |
| term = jj_consume_token(TERM); |
| break; |
| case STAR: |
| term = jj_consume_token(STAR); |
| wildcard=true; |
| break; |
| case PREFIXTERM: |
| term = jj_consume_token(PREFIXTERM); |
| prefix=true; |
| break; |
| case WILDTERM: |
| term = jj_consume_token(WILDTERM); |
| wildcard=true; |
| break; |
| case REGEXPTERM: |
| term = jj_consume_token(REGEXPTERM); |
| regexp=true; |
| break; |
| case NUMBER: |
| term = jj_consume_token(NUMBER); |
| break; |
| case BAREOPER: |
| term = jj_consume_token(BAREOPER); |
| term.image = term.image.substring(0,1); |
| break; |
| default: |
| jj_la1[12] = jj_gen; |
| jj_consume_token(-1); |
| throw new ParseException(); |
| } |
| switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { |
| case CARAT: |
| case FUZZY_SLOP: |
| switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { |
| case CARAT: |
| jj_consume_token(CARAT); |
| boost = jj_consume_token(NUMBER); |
| switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { |
| case FUZZY_SLOP: |
| fuzzySlop = jj_consume_token(FUZZY_SLOP); |
| fuzzy=true; |
| break; |
| default: |
| jj_la1[13] = jj_gen; |
| ; |
| } |
| break; |
| case FUZZY_SLOP: |
| fuzzySlop = jj_consume_token(FUZZY_SLOP); |
| fuzzy=true; |
| switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { |
| case CARAT: |
| jj_consume_token(CARAT); |
| boost = jj_consume_token(NUMBER); |
| break; |
| default: |
| jj_la1[14] = jj_gen; |
| ; |
| } |
| break; |
| default: |
| jj_la1[15] = jj_gen; |
| jj_consume_token(-1); |
| throw new ParseException(); |
| } |
| break; |
| default: |
| jj_la1[16] = jj_gen; |
| ; |
| } |
| q = handleBareTokenQuery(getField(field), term, fuzzySlop, prefix, wildcard, fuzzy, regexp); |
| break; |
| case RANGEIN_START: |
| case RANGEEX_START: |
| switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { |
| case RANGEIN_START: |
| jj_consume_token(RANGEIN_START); |
| startInc = true; |
| break; |
| case RANGEEX_START: |
| jj_consume_token(RANGEEX_START); |
| break; |
| default: |
| jj_la1[17] = jj_gen; |
| jj_consume_token(-1); |
| throw new ParseException(); |
| } |
| switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { |
| case RANGE_GOOP: |
| goop1 = jj_consume_token(RANGE_GOOP); |
| break; |
| case RANGE_QUOTED: |
| goop1 = jj_consume_token(RANGE_QUOTED); |
| break; |
| case RANGE_TO: |
| goop1 = jj_consume_token(RANGE_TO); |
| break; |
| default: |
| jj_la1[18] = jj_gen; |
| jj_consume_token(-1); |
| throw new ParseException(); |
| } |
| jj_consume_token(RANGE_TO); |
| switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { |
| case RANGE_GOOP: |
| goop2 = jj_consume_token(RANGE_GOOP); |
| break; |
| case RANGE_QUOTED: |
| goop2 = jj_consume_token(RANGE_QUOTED); |
| break; |
| case RANGE_TO: |
| goop2 = jj_consume_token(RANGE_TO); |
| break; |
| default: |
| jj_la1[19] = jj_gen; |
| jj_consume_token(-1); |
| throw new ParseException(); |
| } |
| switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { |
| case RANGEIN_END: |
| jj_consume_token(RANGEIN_END); |
| endInc = true; |
| break; |
| case RANGEEX_END: |
| jj_consume_token(RANGEEX_END); |
| break; |
| default: |
| jj_la1[20] = jj_gen; |
| jj_consume_token(-1); |
| throw new ParseException(); |
| } |
| switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { |
| case CARAT: |
| jj_consume_token(CARAT); |
| boost = jj_consume_token(NUMBER); |
| break; |
| default: |
| jj_la1[21] = jj_gen; |
| ; |
| } |
| boolean startOpen=false; |
| boolean endOpen=false; |
| if (goop1.kind == RANGE_QUOTED) { |
| goop1.image = goop1.image.substring(1, goop1.image.length()-1); |
| } else if ("*".equals(goop1.image)) { |
| startOpen=true; |
| } |
| if (goop2.kind == RANGE_QUOTED) { |
| goop2.image = goop2.image.substring(1, goop2.image.length()-1); |
| } else if ("*".equals(goop2.image)) { |
| endOpen=true; |
| } |
| q = getRangeQuery(getField(field), |
| startOpen ? null : discardEscapeChar(goop1.image), |
| endOpen ? null : discardEscapeChar(goop2.image), startInc, endInc); |
| break; |
| case QUOTED: |
| term = jj_consume_token(QUOTED); |
| switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { |
| case CARAT: |
| case FUZZY_SLOP: |
| switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { |
| case CARAT: |
| jj_consume_token(CARAT); |
| boost = jj_consume_token(NUMBER); |
| switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { |
| case FUZZY_SLOP: |
| fuzzySlop = jj_consume_token(FUZZY_SLOP); |
| fuzzy=true; |
| break; |
| default: |
| jj_la1[22] = jj_gen; |
| ; |
| } |
| break; |
| case FUZZY_SLOP: |
| fuzzySlop = jj_consume_token(FUZZY_SLOP); |
| fuzzy=true; |
| switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { |
| case CARAT: |
| jj_consume_token(CARAT); |
| boost = jj_consume_token(NUMBER); |
| break; |
| default: |
| jj_la1[23] = jj_gen; |
| ; |
| } |
| break; |
| default: |
| jj_la1[24] = jj_gen; |
| jj_consume_token(-1); |
| throw new ParseException(); |
| } |
| break; |
| default: |
| jj_la1[25] = jj_gen; |
| ; |
| } |
| q = handleQuotedTerm(getField(field), term, fuzzySlop); |
| break; |
| default: |
| jj_la1[26] = jj_gen; |
| jj_consume_token(-1); |
| throw new ParseException(); |
| } |
| {if (true) return handleBoost(q, boost);} |
| throw new Error("Missing return statement in function"); |
| } |
| |
| final public void MultiTerm(String field, List<BooleanClause> clauses) throws ParseException, SyntaxError { |
| Token text; |
| List<String> terms = null; |
| text = jj_consume_token(TERM); |
| if (splitOnWhitespace) { |
| Query q = getFieldQuery(getField(field), discardEscapeChar(text.image), false, true); |
| addClause(clauses, CONJ_NONE, MOD_NONE, q); |
| } else { |
| terms = new ArrayList<String>(); |
| terms.add(discardEscapeChar(text.image)); |
| } |
| if (getToken(1).kind == TERM && allowedPostMultiTerm(getToken(2).kind)) { |
| |
| } else { |
| jj_consume_token(-1); |
| throw new ParseException(); |
| } |
| label_2: |
| while (true) { |
| text = jj_consume_token(TERM); |
| if (splitOnWhitespace) { |
| Query q = getFieldQuery(getField(field), discardEscapeChar(text.image), false, true); |
| addClause(clauses, CONJ_NONE, MOD_NONE, q); |
| } else { |
| terms.add(discardEscapeChar(text.image)); |
| } |
| if (getToken(1).kind == TERM && allowedPostMultiTerm(getToken(2).kind)) { |
| ; |
| } else { |
| break label_2; |
| } |
| } |
| if (splitOnWhitespace == false) { |
| Query q = getFieldQuery(getField(field), terms, true); |
| addMultiTermClause(clauses, q); |
| } |
| } |
| |
| private boolean jj_2_1(int xla) { |
| jj_la = xla; jj_lastpos = jj_scanpos = token; |
| try { return !jj_3_1(); } |
| catch(LookaheadSuccess ls) { return true; } |
| finally { jj_save(0, xla); } |
| } |
| |
| private boolean jj_2_2(int xla) { |
| jj_la = xla; jj_lastpos = jj_scanpos = token; |
| try { return !jj_3_2(); } |
| catch(LookaheadSuccess ls) { return true; } |
| finally { jj_save(1, xla); } |
| } |
| |
| private boolean jj_2_3(int xla) { |
| jj_la = xla; jj_lastpos = jj_scanpos = token; |
| try { return !jj_3_3(); } |
| catch(LookaheadSuccess ls) { return true; } |
| finally { jj_save(2, xla); } |
| } |
| |
| private boolean jj_3R_7() { |
| if (jj_scan_token(TERM)) return true; |
| return false; |
| } |
| |
| private boolean jj_3R_4() { |
| if (jj_scan_token(TERM)) return true; |
| if (jj_scan_token(COLON)) return true; |
| return false; |
| } |
| |
| private boolean jj_3_1() { |
| if (jj_3R_3()) return true; |
| return false; |
| } |
| |
| private boolean jj_3R_6() { |
| return false; |
| } |
| |
| private boolean jj_3R_3() { |
| if (jj_scan_token(TERM)) return true; |
| jj_lookingAhead = true; |
| jj_semLA = getToken(1).kind == TERM && allowedPostMultiTerm(getToken(2).kind); |
| jj_lookingAhead = false; |
| if (!jj_semLA || jj_3R_6()) return true; |
| Token xsp; |
| if (jj_3R_7()) return true; |
| while (true) { |
| xsp = jj_scanpos; |
| if (jj_3R_7()) { jj_scanpos = xsp; break; } |
| } |
| return false; |
| } |
| |
| private boolean jj_3_3() { |
| Token xsp; |
| xsp = jj_scanpos; |
| if (jj_3R_4()) { |
| jj_scanpos = xsp; |
| if (jj_3R_5()) return true; |
| } |
| return false; |
| } |
| |
| private boolean jj_3_2() { |
| if (jj_3R_3()) return true; |
| return false; |
| } |
| |
| private boolean jj_3R_5() { |
| if (jj_scan_token(STAR)) return true; |
| if (jj_scan_token(COLON)) return true; |
| return false; |
| } |
| |
| /** Generated Token Manager. */ |
| public QueryParserTokenManager token_source; |
| /** Current token. */ |
| public Token token; |
| /** Next token. */ |
| public Token jj_nt; |
| private int jj_ntk; |
| private Token jj_scanpos, jj_lastpos; |
| private int jj_la; |
| /** Whether we are looking ahead. */ |
| private boolean jj_lookingAhead = false; |
| private boolean jj_semLA; |
| private int jj_gen; |
| final private int[] jj_la1 = new int[27]; |
| 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[] {0x6000,0x6000,0x38000,0x38000,0xfb4f8000,0xfb4fe000,0xfb4fe000,0x2400000,0x800000,0x800000,0x800000,0xfb4c0000,0x3a440000,0x4000000,0x800000,0x4800000,0x4800000,0xc0000000,0x0,0x0,0x0,0x800000,0x4000000,0x800000,0x4800000,0x4800000,0xfb440000,}; |
| } |
| private static void jj_la1_init_1() { |
| jj_la1_1 = new int[] {0x0,0x0,0x0,0x0,0x7,0x7,0x7,0x0,0x0,0x0,0x0,0x7,0x4,0x0,0x0,0x0,0x0,0x0,0xc8,0xc8,0x30,0x0,0x0,0x0,0x0,0x0,0x4,}; |
| } |
| final private JJCalls[] jj_2_rtns = new JJCalls[3]; |
| private boolean jj_rescan = false; |
| private int jj_gc = 0; |
| |
| /** Constructor with user supplied CharStream. */ |
| protected QueryParser(CharStream stream) { |
| token_source = new QueryParserTokenManager(stream); |
| token = new Token(); |
| jj_ntk = -1; |
| jj_gen = 0; |
| for (int i = 0; i < 27; i++) jj_la1[i] = -1; |
| for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls(); |
| } |
| |
| /** Reinitialise. */ |
| public void ReInit(CharStream stream) { |
| token_source.ReInit(stream); |
| token = new Token(); |
| jj_ntk = -1; |
| jj_lookingAhead = false; |
| jj_gen = 0; |
| for (int i = 0; i < 27; i++) jj_la1[i] = -1; |
| for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls(); |
| } |
| |
| /** Constructor with generated Token Manager. */ |
| protected QueryParser(QueryParserTokenManager tm) { |
| token_source = tm; |
| token = new Token(); |
| jj_ntk = -1; |
| jj_gen = 0; |
| for (int i = 0; i < 27; i++) jj_la1[i] = -1; |
| for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls(); |
| } |
| |
| /** Reinitialise. */ |
| public void ReInit(QueryParserTokenManager tm) { |
| token_source = tm; |
| token = new Token(); |
| jj_ntk = -1; |
| jj_gen = 0; |
| for (int i = 0; i < 27; i++) jj_la1[i] = -1; |
| for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls(); |
| } |
| |
| 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++; |
| if (++jj_gc > 100) { |
| jj_gc = 0; |
| for (int i = 0; i < jj_2_rtns.length; i++) { |
| JJCalls c = jj_2_rtns[i]; |
| while (c != null) { |
| if (c.gen < jj_gen) c.first = null; |
| c = c.next; |
| } |
| } |
| } |
| return token; |
| } |
| token = oldToken; |
| jj_kind = kind; |
| throw generateParseException(); |
| } |
| |
| static private final class LookaheadSuccess extends java.lang.Error { } |
| static final private LookaheadSuccess jj_ls = new LookaheadSuccess(); |
| private boolean jj_scan_token(int kind) { |
| if (jj_scanpos == jj_lastpos) { |
| jj_la--; |
| if (jj_scanpos.next == null) { |
| jj_lastpos = jj_scanpos = jj_scanpos.next = token_source.getNextToken(); |
| } else { |
| jj_lastpos = jj_scanpos = jj_scanpos.next; |
| } |
| } else { |
| jj_scanpos = jj_scanpos.next; |
| } |
| if (jj_rescan) { |
| int i = 0; Token tok = token; |
| while (tok != null && tok != jj_scanpos) { i++; tok = tok.next; } |
| if (tok != null) jj_add_error_token(kind, i); |
| } |
| if (jj_scanpos.kind != kind) return true; |
| if (jj_la == 0 && jj_scanpos == jj_lastpos) throw jj_ls; |
| return false; |
| } |
| |
| |
| /** 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 = jj_lookingAhead ? jj_scanpos : 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; |
| private int[] jj_lasttokens = new int[100]; |
| private int jj_endpos; |
| |
| private void jj_add_error_token(int kind, int pos) { |
| if (pos >= 100) return; |
| if (pos == jj_endpos + 1) { |
| jj_lasttokens[jj_endpos++] = kind; |
| } else if (jj_endpos != 0) { |
| jj_expentry = new int[jj_endpos]; |
| for (int i = 0; i < jj_endpos; i++) { |
| jj_expentry[i] = jj_lasttokens[i]; |
| } |
| jj_entries_loop: for (java.util.Iterator<?> it = jj_expentries.iterator(); it.hasNext();) { |
| int[] oldentry = (int[])(it.next()); |
| if (oldentry.length == jj_expentry.length) { |
| for (int i = 0; i < jj_expentry.length; i++) { |
| if (oldentry[i] != jj_expentry[i]) { |
| continue jj_entries_loop; |
| } |
| } |
| jj_expentries.add(jj_expentry); |
| break jj_entries_loop; |
| } |
| } |
| if (pos != 0) jj_lasttokens[(jj_endpos = pos) - 1] = kind; |
| } |
| } |
| |
| /** Generate ParseException. */ |
| public ParseException generateParseException() { |
| jj_expentries.clear(); |
| boolean[] la1tokens = new boolean[40]; |
| if (jj_kind >= 0) { |
| la1tokens[jj_kind] = true; |
| jj_kind = -1; |
| } |
| for (int i = 0; i < 27; 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 < 40; i++) { |
| if (la1tokens[i]) { |
| jj_expentry = new int[1]; |
| jj_expentry[0] = i; |
| jj_expentries.add(jj_expentry); |
| } |
| } |
| jj_endpos = 0; |
| jj_rescan_token(); |
| jj_add_error_token(0, 0); |
| 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() { |
| } |
| |
| private void jj_rescan_token() { |
| jj_rescan = true; |
| for (int i = 0; i < 3; i++) { |
| try { |
| JJCalls p = jj_2_rtns[i]; |
| do { |
| if (p.gen > jj_gen) { |
| jj_la = p.arg; jj_lastpos = jj_scanpos = p.first; |
| switch (i) { |
| case 0: jj_3_1(); break; |
| case 1: jj_3_2(); break; |
| case 2: jj_3_3(); break; |
| } |
| } |
| p = p.next; |
| } while (p != null); |
| } catch(LookaheadSuccess ls) { } |
| } |
| jj_rescan = false; |
| } |
| |
| private void jj_save(int index, int xla) { |
| JJCalls p = jj_2_rtns[index]; |
| while (p.gen > jj_gen) { |
| if (p.next == null) { p = p.next = new JJCalls(); break; } |
| p = p.next; |
| } |
| p.gen = jj_gen + xla - jj_la; p.first = token; p.arg = xla; |
| } |
| |
| static final class JJCalls { |
| int gen; |
| Token first; |
| int arg; |
| JJCalls next; |
| } |
| |
| } |
