forked from apache/lucenenet
/
StandardSyntaxParser.cs
1313 lines (1255 loc) · 49.9 KB
/
StandardSyntaxParser.cs
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using Lucene.Net.QueryParsers.Flexible.Core;
using Lucene.Net.QueryParsers.Flexible.Core.Messages;
using Lucene.Net.QueryParsers.Flexible.Core.Nodes;
using Lucene.Net.QueryParsers.Flexible.Core.Parser;
using Lucene.Net.QueryParsers.Flexible.Messages;
using Lucene.Net.QueryParsers.Flexible.Standard.Nodes;
using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
#if FEATURE_SERIALIZABLE_EXCEPTIONS
using System.Runtime.Serialization;
#endif
namespace Lucene.Net.QueryParsers.Flexible.Standard.Parser
{
/*
* 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.
*/
/// <summary>
/// Parser for the standard Lucene syntax
/// </summary>
public class StandardSyntaxParser : ISyntaxParser /*, StandardSyntaxParserConstants*/
{
private static readonly int CONJ_NONE = 0;
private static readonly int CONJ_AND = 2;
private static readonly int CONJ_OR = 2;
// syntax parser constructor
public StandardSyntaxParser()
: this(new FastCharStream(new StringReader("")))
{
}
/// <summary>
/// Parses a query string, returning a <see cref="IQueryNode"/>.
/// </summary>
/// <param name="query">the query string to be parsed.</param>
/// <param name="field"></param>
/// <returns></returns>
/// <exception cref="ParseException">if the parsing fails</exception>
public IQueryNode Parse(string query, string field)
{
ReInit(new FastCharStream(new StringReader(query)));
try
{
// TopLevelQuery is a Query followed by the end-of-input (EOF)
IQueryNode querynode = TopLevelQuery(field);
return querynode;
}
catch (ParseException tme)
{
tme.SetQuery(query);
throw tme;
}
catch (Exception tme)
{
IMessage message = new Message(QueryParserMessages.INVALID_SYNTAX_CANNOT_PARSE, query, tme.Message);
QueryNodeParseException e = new QueryNodeParseException(tme);
e.SetQuery(query);
e.SetNonLocalizedMessage(message);
throw e;
}
}
// * Query ::= ( Clause )*
// * Clause ::= ["+", "-"] [<TERM> ":"] ( <TERM> | "(" Query ")" )
public int Conjunction()
{
int ret = CONJ_NONE;
switch ((jj_ntk == -1) ? Jj_ntk() : jj_ntk)
{
case RegexpToken.AND:
case RegexpToken.OR:
switch ((jj_ntk == -1) ? Jj_ntk() : jj_ntk)
{
case RegexpToken.AND:
Jj_consume_token(RegexpToken.AND);
ret = CONJ_AND;
break;
case RegexpToken.OR:
Jj_consume_token(RegexpToken.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;
break;
}
{ if (true) return ret; }
throw new Exception("Missing return statement in function");
}
public Modifier Modifiers()
{
Modifier ret = Modifier.MOD_NONE;
switch ((jj_ntk == -1) ? Jj_ntk() : jj_ntk)
{
case RegexpToken.NOT:
case RegexpToken.PLUS:
case RegexpToken.MINUS:
switch ((jj_ntk == -1) ? Jj_ntk() : jj_ntk)
{
case RegexpToken.PLUS:
Jj_consume_token(RegexpToken.PLUS);
ret = Modifier.MOD_REQ;
break;
case RegexpToken.MINUS:
Jj_consume_token(RegexpToken.MINUS);
ret = Modifier.MOD_NOT;
break;
case RegexpToken.NOT:
Jj_consume_token(RegexpToken.NOT);
ret = Modifier.MOD_NOT;
break;
default:
jj_la1[2] = jj_gen;
Jj_consume_token(-1);
throw new ParseException();
}
break;
default:
jj_la1[3] = jj_gen;
break;
}
{ if (true) return ret; }
throw new Exception("Missing return statement in function");
}
// This makes sure that there is no garbage after the query string
public IQueryNode TopLevelQuery(string field)
{
IQueryNode q;
q = Query(field);
Jj_consume_token(0);
{ if (true) return q; }
throw new Exception("Missing return statement in function");
}
// These changes were made to introduce operator precedence:
// - Clause() now returns a QueryNode.
// - The modifiers are consumed by Clause() and returned as part of the QueryNode Object
// - Query does not consume conjunctions (AND, OR) anymore.
// - This is now done by two new non-terminals: ConjClause and DisjClause
// The parse tree looks similar to this:
// Query ::= DisjQuery ( DisjQuery )*
// DisjQuery ::= ConjQuery ( OR ConjQuery )*
// ConjQuery ::= Clause ( AND Clause )*
// Clause ::= [ Modifier ] ...
public IQueryNode Query(string field)
{
List<IQueryNode> clauses = null;
IQueryNode c, first = null;
first = DisjQuery(field);
while (true)
{
switch ((jj_ntk == -1) ? Jj_ntk() : jj_ntk)
{
case RegexpToken.NOT:
case RegexpToken.PLUS:
case RegexpToken.MINUS:
case RegexpToken.LPAREN:
case RegexpToken.QUOTED:
case RegexpToken.TERM:
case RegexpToken.REGEXPTERM:
case RegexpToken.RANGEIN_START:
case RegexpToken.RANGEEX_START:
case RegexpToken.NUMBER:
;
break;
default:
jj_la1[4] = jj_gen;
goto label_1_break;
}
c = DisjQuery(field);
if (clauses == null)
{
clauses = new List<IQueryNode>();
clauses.Add(first);
}
clauses.Add(c);
}
label_1_break:
if (clauses != null)
{
{ if (true) return new BooleanQueryNode(clauses); }
}
else
{
{ if (true) return first; }
}
throw new Exception("Missing return statement in function");
}
public IQueryNode DisjQuery(string field)
{
IQueryNode first, c;
List<IQueryNode> clauses = null;
first = ConjQuery(field);
while (true)
{
switch ((jj_ntk == -1) ? Jj_ntk() : jj_ntk)
{
case RegexpToken.OR:
;
break;
default:
jj_la1[5] = jj_gen;
goto label_2_break;
}
Jj_consume_token(RegexpToken.OR);
c = ConjQuery(field);
if (clauses == null)
{
clauses = new List<IQueryNode>();
clauses.Add(first);
}
clauses.Add(c);
}
label_2_break:
if (clauses != null)
{
{ if (true) return new OrQueryNode(clauses); }
}
else
{
{ if (true) return first; }
}
throw new Exception("Missing return statement in function");
}
public IQueryNode ConjQuery(string field)
{
IQueryNode first, c;
List<IQueryNode> clauses = null;
first = ModClause(field);
while (true)
{
switch ((jj_ntk == -1) ? Jj_ntk() : jj_ntk)
{
case RegexpToken.AND:
;
break;
default:
jj_la1[6] = jj_gen;
goto label_3_break;
}
Jj_consume_token(RegexpToken.AND);
c = ModClause(field);
if (clauses == null)
{
clauses = new List<IQueryNode>();
clauses.Add(first);
}
clauses.Add(c);
}
label_3_break:
if (clauses != null)
{
{ if (true) return new AndQueryNode(clauses); }
}
else
{
{ if (true) return first; }
}
throw new Exception("Missing return statement in function");
}
// QueryNode Query(CharSequence field) :
// {
// List clauses = new ArrayList();
// List modifiers = new ArrayList();
// QueryNode q, firstQuery=null;
// ModifierQueryNode.Modifier mods;
// int conj;
// }
// {
// mods=Modifiers() q=Clause(field)
// {
// if (mods == ModifierQueryNode.Modifier.MOD_NONE) firstQuery=q;
//
// // do not create modifier nodes with MOD_NONE
// if (mods != ModifierQueryNode.Modifier.MOD_NONE) {
// q = new ModifierQueryNode(q, mods);
// }
// clauses.add(q);
// }
// (
// conj=Conjunction() mods=Modifiers() q=Clause(field)
// {
// // do not create modifier nodes with MOD_NONE
// if (mods != ModifierQueryNode.Modifier.MOD_NONE) {
// q = new ModifierQueryNode(q, mods);
// }
// clauses.add(q);
// //TODO: figure out what to do with AND and ORs
// }
// )*
// {
// if (clauses.size() == 1 && firstQuery != null)
// return firstQuery;
// else {
// return new BooleanQueryNode(clauses);
// }
// }
// }
public IQueryNode ModClause(string field)
{
IQueryNode q;
Modifier mods;
mods = Modifiers();
q = Clause(field);
if (mods != Modifier.MOD_NONE)
{
q = new ModifierQueryNode(q, mods);
}
{ if (true) return q; }
throw new Exception("Missing return statement in function");
}
public IQueryNode Clause(string field)
{
IQueryNode q;
Token fieldToken = null, boost = null, @operator = null, term = null;
FieldQueryNode qLower, qUpper;
bool lowerInclusive, upperInclusive;
bool group = false;
if (Jj_2_2(3))
{
fieldToken = Jj_consume_token(RegexpToken.TERM);
switch ((jj_ntk == -1) ? Jj_ntk() : jj_ntk)
{
case RegexpToken.OP_COLON:
case RegexpToken.OP_EQUAL:
switch ((jj_ntk == -1) ? Jj_ntk() : jj_ntk)
{
case RegexpToken.OP_COLON:
Jj_consume_token(RegexpToken.OP_COLON);
break;
case RegexpToken.OP_EQUAL:
Jj_consume_token(RegexpToken.OP_EQUAL);
break;
default:
jj_la1[7] = jj_gen;
Jj_consume_token(-1);
throw new ParseException();
}
field = EscapeQuerySyntax.DiscardEscapeChar(fieldToken.Image).ToString();
q = Term(field);
break;
case RegexpToken.OP_LESSTHAN:
case RegexpToken.OP_LESSTHANEQ:
case RegexpToken.OP_MORETHAN:
case RegexpToken.OP_MORETHANEQ:
switch ((jj_ntk == -1) ? Jj_ntk() : jj_ntk)
{
case RegexpToken.OP_LESSTHAN:
@operator = Jj_consume_token(RegexpToken.OP_LESSTHAN);
break;
case RegexpToken.OP_LESSTHANEQ:
@operator = Jj_consume_token(RegexpToken.OP_LESSTHANEQ);
break;
case RegexpToken.OP_MORETHAN:
@operator = Jj_consume_token(RegexpToken.OP_MORETHAN);
break;
case RegexpToken.OP_MORETHANEQ:
@operator = Jj_consume_token(RegexpToken.OP_MORETHANEQ);
break;
default:
jj_la1[8] = jj_gen;
Jj_consume_token(-1);
throw new ParseException();
}
field = EscapeQuerySyntax.DiscardEscapeChar(fieldToken.Image).ToString();
switch ((jj_ntk == -1) ? Jj_ntk() : jj_ntk)
{
case RegexpToken.TERM:
term = Jj_consume_token(RegexpToken.TERM);
break;
case RegexpToken.QUOTED:
term = Jj_consume_token(RegexpToken.QUOTED);
break;
case RegexpToken.NUMBER:
term = Jj_consume_token(RegexpToken.NUMBER);
break;
default:
jj_la1[9] = jj_gen;
Jj_consume_token(-1);
throw new ParseException();
}
if (term.Kind == RegexpToken.QUOTED)
{
term.Image = term.Image.Substring(1, (term.Image.Length - 1) - 1);
}
switch (@operator.Kind)
{
case RegexpToken.OP_LESSTHAN:
lowerInclusive = true;
upperInclusive = false;
qLower = new FieldQueryNode(field,
"*", term.BeginColumn, term.EndColumn);
qUpper = new FieldQueryNode(field,
EscapeQuerySyntax.DiscardEscapeChar(term.Image), term.BeginColumn, term.EndColumn);
break;
case RegexpToken.OP_LESSTHANEQ:
lowerInclusive = true;
upperInclusive = true;
qLower = new FieldQueryNode(field,
"*", term.BeginColumn, term.EndColumn);
qUpper = new FieldQueryNode(field,
EscapeQuerySyntax.DiscardEscapeChar(term.Image), term.BeginColumn, term.EndColumn);
break;
case RegexpToken.OP_MORETHAN:
lowerInclusive = false;
upperInclusive = true;
qLower = new FieldQueryNode(field,
EscapeQuerySyntax.DiscardEscapeChar(term.Image), term.BeginColumn, term.EndColumn);
qUpper = new FieldQueryNode(field,
"*", term.BeginColumn, term.EndColumn);
break;
case RegexpToken.OP_MORETHANEQ:
lowerInclusive = true;
upperInclusive = true;
qLower = new FieldQueryNode(field,
EscapeQuerySyntax.DiscardEscapeChar(term.Image), term.BeginColumn, term.EndColumn);
qUpper = new FieldQueryNode(field,
"*", term.BeginColumn, term.EndColumn);
break;
default:
{ if (true) throw new Exception("Unhandled case: operator=" + @operator.ToString()); }
}
q = new TermRangeQueryNode(qLower, qUpper, lowerInclusive, upperInclusive);
break;
default:
jj_la1[10] = jj_gen;
Jj_consume_token(-1);
throw new ParseException();
}
}
else
{
switch ((jj_ntk == -1) ? Jj_ntk() : jj_ntk)
{
case RegexpToken.LPAREN:
case RegexpToken.QUOTED:
case RegexpToken.TERM:
case RegexpToken.REGEXPTERM:
case RegexpToken.RANGEIN_START:
case RegexpToken.RANGEEX_START:
case RegexpToken.NUMBER:
if (Jj_2_1(2))
{
fieldToken = Jj_consume_token(RegexpToken.TERM);
switch ((jj_ntk == -1) ? Jj_ntk() : jj_ntk)
{
case RegexpToken.OP_COLON:
Jj_consume_token(RegexpToken.OP_COLON);
break;
case RegexpToken.OP_EQUAL:
Jj_consume_token(RegexpToken.OP_EQUAL);
break;
default:
jj_la1[11] = jj_gen;
Jj_consume_token(-1);
throw new ParseException();
}
field = EscapeQuerySyntax.DiscardEscapeChar(fieldToken.Image).ToString();
}
else
{
;
}
switch ((jj_ntk == -1) ? Jj_ntk() : jj_ntk)
{
case RegexpToken.QUOTED:
case RegexpToken.TERM:
case RegexpToken.REGEXPTERM:
case RegexpToken.RANGEIN_START:
case RegexpToken.RANGEEX_START:
case RegexpToken.NUMBER:
q = Term(field);
break;
case RegexpToken.LPAREN:
Jj_consume_token(RegexpToken.LPAREN);
q = Query(field);
Jj_consume_token(RegexpToken.RPAREN);
switch ((jj_ntk == -1) ? Jj_ntk() : jj_ntk)
{
case RegexpToken.CARAT:
Jj_consume_token(RegexpToken.CARAT);
boost = Jj_consume_token(RegexpToken.NUMBER);
break;
default:
jj_la1[12] = jj_gen;
break;
}
group = true;
break;
default:
jj_la1[13] = jj_gen;
Jj_consume_token(-1);
throw new ParseException();
}
break;
default:
jj_la1[14] = jj_gen;
Jj_consume_token(-1);
throw new ParseException();
}
}
if (boost != null)
{
float f = (float)1.0;
try
{
f = Convert.ToSingle(boost.Image, CultureInfo.InvariantCulture);
// avoid boosting null queries, such as those caused by stop words
if (q != null)
{
q = new BoostQueryNode(q, f);
}
}
#pragma warning disable 168
catch (Exception ignored)
#pragma warning restore 168
{
/* Should this be handled somehow? (defaults to "no boost", if
* boost number is invalid)
*/
}
}
if (group) { q = new GroupQueryNode(q); }
{ if (true) return q; }
throw new Exception("Missing return statement in function");
}
public IQueryNode Term(string field)
{
Token term, boost = null, fuzzySlop = null, goop1, goop2;
bool fuzzy = false;
bool regexp = false;
bool startInc = false;
bool endInc = false;
IQueryNode q = null;
FieldQueryNode qLower, qUpper;
#pragma warning disable 612, 618
float defaultMinSimilarity = Search.FuzzyQuery.DefaultMinSimilarity;
#pragma warning restore 612, 618
switch ((jj_ntk == -1) ? Jj_ntk() : jj_ntk)
{
case RegexpToken.TERM:
case RegexpToken.REGEXPTERM:
case RegexpToken.NUMBER:
switch ((jj_ntk == -1) ? Jj_ntk() : jj_ntk)
{
case RegexpToken.TERM:
term = Jj_consume_token(RegexpToken.TERM);
q = new FieldQueryNode(field, EscapeQuerySyntax.DiscardEscapeChar(term.Image), term.BeginColumn, term.EndColumn);
break;
case RegexpToken.REGEXPTERM:
term = Jj_consume_token(RegexpToken.REGEXPTERM);
regexp = true;
break;
case RegexpToken.NUMBER:
term = Jj_consume_token(RegexpToken.NUMBER);
break;
default:
jj_la1[15] = jj_gen;
Jj_consume_token(-1);
throw new ParseException();
}
switch ((jj_ntk == -1) ? Jj_ntk() : jj_ntk)
{
case RegexpToken.FUZZY_SLOP:
fuzzySlop = Jj_consume_token(RegexpToken.FUZZY_SLOP);
fuzzy = true;
break;
default:
jj_la1[16] = jj_gen;
break;
}
switch ((jj_ntk == -1) ? Jj_ntk() : jj_ntk)
{
case RegexpToken.CARAT:
Jj_consume_token(RegexpToken.CARAT);
boost = Jj_consume_token(RegexpToken.NUMBER);
switch ((jj_ntk == -1) ? Jj_ntk() : jj_ntk)
{
case RegexpToken.FUZZY_SLOP:
fuzzySlop = Jj_consume_token(RegexpToken.FUZZY_SLOP);
fuzzy = true;
break;
default:
jj_la1[17] = jj_gen;
break;
}
break;
default:
jj_la1[18] = jj_gen;
break;
}
if (fuzzy)
{
float fms = defaultMinSimilarity;
try
{
fms = Convert.ToSingle(fuzzySlop.Image.Substring(1), CultureInfo.InvariantCulture);
}
#pragma warning disable 168
catch (Exception ignored) { }
#pragma warning restore 168
if (fms < 0.0f)
{
{ if (true) throw new ParseException(new Message(QueryParserMessages.INVALID_SYNTAX_FUZZY_LIMITS)); }
}
else if (fms >= 1.0f && fms != (int)fms)
{
{ if (true) throw new ParseException(new Message(QueryParserMessages.INVALID_SYNTAX_FUZZY_EDITS)); }
}
q = new FuzzyQueryNode(field, EscapeQuerySyntax.DiscardEscapeChar(term.Image), fms, term.BeginColumn, term.EndColumn);
}
else if (regexp)
{
string re = term.Image.Substring(1, (term.Image.Length - 1) - 1);
q = new RegexpQueryNode(field, re, 0, re.Length);
}
break;
case RegexpToken.RANGEIN_START:
case RegexpToken.RANGEEX_START:
switch ((jj_ntk == -1) ? Jj_ntk() : jj_ntk)
{
case RegexpToken.RANGEIN_START:
Jj_consume_token(RegexpToken.RANGEIN_START);
startInc = true;
break;
case RegexpToken.RANGEEX_START:
Jj_consume_token(RegexpToken.RANGEEX_START);
break;
default:
jj_la1[19] = jj_gen;
Jj_consume_token(-1);
throw new ParseException();
}
switch ((jj_ntk == -1) ? Jj_ntk() : jj_ntk)
{
case RegexpToken.RANGE_GOOP:
goop1 = Jj_consume_token(RegexpToken.RANGE_GOOP);
break;
case RegexpToken.RANGE_QUOTED:
goop1 = Jj_consume_token(RegexpToken.RANGE_QUOTED);
break;
default:
jj_la1[20] = jj_gen;
Jj_consume_token(-1);
throw new ParseException();
}
switch ((jj_ntk == -1) ? Jj_ntk() : jj_ntk)
{
case RegexpToken.RANGE_TO:
Jj_consume_token(RegexpToken.RANGE_TO);
break;
default:
jj_la1[21] = jj_gen;
break;
}
switch ((jj_ntk == -1) ? Jj_ntk() : jj_ntk)
{
case RegexpToken.RANGE_GOOP:
goop2 = Jj_consume_token(RegexpToken.RANGE_GOOP);
break;
case RegexpToken.RANGE_QUOTED:
goop2 = Jj_consume_token(RegexpToken.RANGE_QUOTED);
break;
default:
jj_la1[22] = jj_gen;
Jj_consume_token(-1);
throw new ParseException();
}
switch ((jj_ntk == -1) ? Jj_ntk() : jj_ntk)
{
case RegexpToken.RANGEIN_END:
Jj_consume_token(RegexpToken.RANGEIN_END);
endInc = true;
break;
case RegexpToken.RANGEEX_END:
Jj_consume_token(RegexpToken.RANGEEX_END);
break;
default:
jj_la1[23] = jj_gen;
Jj_consume_token(-1);
throw new ParseException();
}
switch ((jj_ntk == -1) ? Jj_ntk() : jj_ntk)
{
case RegexpToken.CARAT:
Jj_consume_token(RegexpToken.CARAT);
boost = Jj_consume_token(RegexpToken.NUMBER);
break;
default:
jj_la1[24] = jj_gen;
break;
}
if (goop1.Kind == RegexpToken.RANGE_QUOTED)
{
goop1.Image = goop1.Image.Substring(1, (goop1.Image.Length - 1) - 1);
}
if (goop2.Kind == RegexpToken.RANGE_QUOTED)
{
goop2.Image = goop2.Image.Substring(1, (goop2.Image.Length - 1) - 1);
}
qLower = new FieldQueryNode(field,
EscapeQuerySyntax.DiscardEscapeChar(goop1.Image), goop1.BeginColumn, goop1.EndColumn);
qUpper = new FieldQueryNode(field,
EscapeQuerySyntax.DiscardEscapeChar(goop2.Image), goop2.BeginColumn, goop2.EndColumn);
q = new TermRangeQueryNode(qLower, qUpper, startInc ? true : false, endInc ? true : false);
break;
case RegexpToken.QUOTED:
term = Jj_consume_token(RegexpToken.QUOTED);
q = new QuotedFieldQueryNode(field, EscapeQuerySyntax.DiscardEscapeChar(term.Image.Substring(1, (term.Image.Length - 1) - 1)), term.BeginColumn + 1, term.EndColumn - 1);
switch ((jj_ntk == -1) ? Jj_ntk() : jj_ntk)
{
case RegexpToken.FUZZY_SLOP:
fuzzySlop = Jj_consume_token(RegexpToken.FUZZY_SLOP);
break;
default:
jj_la1[25] = jj_gen;
break;
}
switch ((jj_ntk == -1) ? Jj_ntk() : jj_ntk)
{
case RegexpToken.CARAT:
Jj_consume_token(RegexpToken.CARAT);
boost = Jj_consume_token(RegexpToken.NUMBER);
break;
default:
jj_la1[26] = jj_gen;
break;
}
int phraseSlop = 0;
if (fuzzySlop != null)
{
try
{
phraseSlop = (int)Convert.ToSingle(fuzzySlop.Image.Substring(1), CultureInfo.InvariantCulture);
q = new SlopQueryNode(q, phraseSlop);
}
#pragma warning disable 168
catch (Exception ignored)
#pragma warning restore 168
{
/* Should this be handled somehow? (defaults to "no PhraseSlop", if
* slop number is invalid)
*/
}
}
break;
default:
jj_la1[27] = jj_gen;
Jj_consume_token(-1);
throw new ParseException();
}
if (boost != null)
{
float f = (float)1.0;
try
{
f = Convert.ToSingle(boost.Image, CultureInfo.InvariantCulture);
// avoid boosting null queries, such as those caused by stop words
if (q != null)
{
q = new BoostQueryNode(q, f);
}
}
#pragma warning disable 168
catch (Exception ignored)
#pragma warning restore 168
{
/* Should this be handled somehow? (defaults to "no boost", if
* boost number is invalid)
*/
}
}
{ if (true) return q; }
throw new Exception("Missing return statement in function");
}
private bool Jj_2_1(int xla)
{
jj_la = xla; jj_lastpos = jj_scanpos = Token;
try { return !Jj_3_1(); }
#pragma warning disable 168
catch (LookaheadSuccess ls) { return true; }
#pragma warning restore 168
finally { Jj_save(0, xla); }
}
private bool Jj_2_2(int xla)
{
jj_la = xla; jj_lastpos = jj_scanpos = Token;
try { return !Jj_3_2(); }
#pragma warning disable 168
catch (LookaheadSuccess ls) { return true; }
#pragma warning restore 168
finally { Jj_save(1, xla); }
}
private bool Jj_3_2()
{
if (Jj_scan_token(RegexpToken.TERM)) return true;
Token xsp;
xsp = jj_scanpos;
if (Jj_3R_4())
{
jj_scanpos = xsp;
if (Jj_3R_5()) return true;
}
return false;
}
private bool Jj_3R_12()
{
if (Jj_scan_token(RegexpToken.RANGEIN_START)) return true;
return false;
}
private bool Jj_3R_11()
{
if (Jj_scan_token(RegexpToken.REGEXPTERM)) return true;
return false;
}
private bool Jj_3_1()
{
if (Jj_scan_token(RegexpToken.TERM)) return true;
Token xsp;
xsp = jj_scanpos;
if (Jj_scan_token(15))
{
jj_scanpos = xsp;
if (Jj_scan_token(16)) return true;
}
return false;
}
private bool Jj_3R_8()
{
Token xsp;
xsp = jj_scanpos;
if (Jj_3R_12())
{
jj_scanpos = xsp;
if (Jj_scan_token(27)) return true;
}
return false;
}
private bool Jj_3R_10()
{
if (Jj_scan_token(RegexpToken.TERM)) return true;
return false;
}
private bool Jj_3R_7()
{
Token xsp;
xsp = jj_scanpos;
if (Jj_3R_10())
{
jj_scanpos = xsp;
if (Jj_3R_11())
{
jj_scanpos = xsp;
if (Jj_scan_token(28)) return true;
}
}
return false;
}
private bool Jj_3R_9()
{
if (Jj_scan_token(RegexpToken.QUOTED)) return true;
return false;
}
private bool Jj_3R_5()
{
Token xsp;
xsp = jj_scanpos;
if (Jj_scan_token(17))
{
jj_scanpos = xsp;
if (Jj_scan_token(18))
{
jj_scanpos = xsp;
if (Jj_scan_token(19))
{
jj_scanpos = xsp;
if (Jj_scan_token(20)) return true;
}
}
}
xsp = jj_scanpos;
if (Jj_scan_token(23))
{
jj_scanpos = xsp;
if (Jj_scan_token(22))
{
jj_scanpos = xsp;
if (Jj_scan_token(28)) return true;
}
}
return false;
}
private bool Jj_3R_4()
{
Token xsp;
xsp = jj_scanpos;
if (Jj_scan_token(15))
{
jj_scanpos = xsp;
if (Jj_scan_token(16)) return true;
}
if (Jj_3R_6()) return true;
return false;
}
private bool Jj_3R_6()
{
Token xsp;
xsp = jj_scanpos;
if (Jj_3R_7())
{
jj_scanpos = xsp;
if (Jj_3R_8())
{
jj_scanpos = xsp;
if (Jj_3R_9()) return true;
}
}
return false;
}
/// <summary>Generated Token Manager.</summary>
public StandardSyntaxParserTokenManager TokenSource { get; set; }
/// <summary>Current token.</summary>
public Token Token { get; set; }
/// <summary>Next token.</summary>
public Token Jj_nt { get; set; }
private int jj_ntk;
private Token jj_scanpos, jj_lastpos;
private int jj_la;
private int jj_gen;
readonly private int[] jj_la1 = new int[28];
static private uint[] jj_la1_0;
static private int[] jj_la1_1;
static StandardSyntaxParser()
{
Jj_la1_init_0();
Jj_la1_init_1();
}
private static void Jj_la1_init_0()
{
jj_la1_0 = new uint[] { 0x300, 0x300, 0x1c00, 0x1c00, 0x1ec03c00, 0x200, 0x100, 0x18000, 0x1e0000, 0x10c00000, 0x1f8000, 0x18000, 0x200000, 0x1ec02000, 0x1ec02000, 0x12800000, 0x1000000, 0x1000000, 0x200000, 0xc000000, 0x0, 0x20000000, 0x0, 0xc0000000, 0x200000, 0x1000000, 0x200000, 0x1ec00000, };
}
private static void Jj_la1_init_1()
{
jj_la1_1 = new int[] { 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, };
}