Package com.yahoo.prelude.semantics.parser

Class SemanticsParser

java.lang.Object

com.yahoo.prelude.semantics.parser.SemanticsParser

All Implemented Interfaces:

SemanticsParserConstants

public class SemanticsParser
extends Object
implements SemanticsParserConstants

Field Summary

Fields

Modifier and Type	Field	Description
Token	jj_nt	Next token.
Token	token	Current token.
SemanticsParserTokenManager	token_source	Generated Token Manager.

Fields inherited from interface com.yahoo.prelude.semantics.parser.SemanticsParserConstants

AUTOMATADIRECTIVE, COLON, COMMA, CONDITION, CONTAINS, DASH, DECIMAL, DEFAULT, DEFAULTDIRECTIVE, DIFFERENT, DOLLAR, DOT, ELLIPSIS, EOF, EQUALS, EXCLAMATION, HEX, IDENTIFIER, INCLUDEDIRECTIVE, LANGUAGEDIRECTIVE, LARGER, LARGEREQUALS, LEFTBRACE, LEFTSQUAREBRACKET, LITERAL, NL, NUMBER, OCTAL, PLUS, PRODUCE, QUESTION, QUOTE, REPLACE, RIGHTBRACE, RIGHTSQUAREBRACKET, SEMICOLON, SINGLE_LINE_COMMENT, SLASH, SMALLER, SMALLEREQUALS, STAR, STEMMINGDIRECTIVE, SUPERDIRECTIVE, TILDE, tokenImage

Constructor Summary

Constructors

Constructor	Description
SemanticsParser(SemanticsParserTokenManager tm)	Constructor with generated Token Manager.
SemanticsParser(InputStream stream, String encoding)	Constructor with InputStream and supplied encoding
SemanticsParser(Reader stream)	Constructor with InputStream.
SemanticsParser(Reader stream, com.yahoo.language.Linguistics linguistics)

Method Summary

Modifier and Type	Method	Description
final void	automataDirective(RuleBase rules, RuleImporter importer)
final Condition	choiceCondition()
final String	comparison()
final String	comparisonPrefix()
final CompositeItemCondition	compositeItemCondition()
final Condition	condition()
final ConditionReference	conditionReference()
final String	context()
final void	defaultDirective(RuleBase rules)
final RuleBase	directive(RuleBase rules, RuleImporter importer)
final void	disable_tracing()	Disable tracing.
final void	enable_tracing()	Enable tracing.
ParseException	generateParseException()	Generate ParseException.
final Token	getNextToken()
final Token	getToken(int index)
final String	identifier()
final String	identifierOrLiteral()
final void	includeDirective(RuleBase rules, RuleImporter importer)
final String	label()
final void	languageDirective(RuleBase rules)
final String	literal()
final LiteralCondition	literalCondition()
final LiteralTermProduction	literalTermProduction()
final void	namedCondition(RuleBase rules)
final String	nameSpace()
final NamespaceProduction	namespaceProduction()
final Condition	nestedCondition()
final TermProduction	nonphraseTermProduction()
final EllipsisCondition	nonReferableEllipsisCondition()
final Condition	notCondition()
final int	number()
final LiteralPhraseProduction	phraseProduction()
final Production	production()
final ProductionList	productionList()
final void	productionRule(RuleBase rules)
final ProductionRule	productionRuleType()
final Condition	reallyTerminalCondition()
final EllipsisCondition	referableEllipsisCondition()
final String	referenceIdentifier()
final ReferenceTermProduction	referenceTermProduction()
void	ReInit(SemanticsParserTokenManager tm)	Reinitialise
void	ReInit(InputStream stream, String encoding)	Reinitialise
void	ReInit(Reader stream)	Reinitialise
final RuleBase	semanticRules(RuleBase rules, RuleImporter importer)	Parses a search definition and returns the resulting object
final Condition	sequenceCondition()
final void	stemmingDirective(RuleBase rules)
final String	string()
final String	stringOrLiteral()
final SuperCondition	superCondition()
final TermCondition	termCondition()
final Condition	terminalCondition()
final Condition	terminalConditionBody()
final Condition	terminalOrComparisonCondition()
final Condition	terminalOrSequenceCondition()
final TermProduction	termProduction()
final TermType	termType()
final Condition	topLevelCondition()
final boolean	trace_enabled()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

token_source

public SemanticsParserTokenManager token_source

Generated Token Manager.

token

public Token token

Current token.

jj_nt

public Token jj_nt

Next token.

Constructor Details

SemanticsParser

public SemanticsParser(Reader stream,
 com.yahoo.language.Linguistics linguistics)

SemanticsParser

public SemanticsParser(InputStream stream,
 String encoding)

Constructor with InputStream and supplied encoding

Parameters:

stream - input stream

encoding - charset to be used. May not be null.

SemanticsParser

public SemanticsParser(Reader stream)

Constructor with InputStream.

Parameters:

stream - char stream

SemanticsParser

public SemanticsParser(SemanticsParserTokenManager tm)

Constructor with generated Token Manager.

Parameters:

tm - Token manager to use

Method Details

semanticRules

public final RuleBase semanticRules(RuleBase rules,
 RuleImporter importer)
                             throws ParseException

Parses a search definition and returns the resulting object

Throws:

ParseException

directive

public final RuleBase directive(RuleBase rules,
 RuleImporter importer)
                         throws ParseException

Throws:

ParseException

includeDirective

public final void includeDirective(RuleBase rules,
 RuleImporter importer)
                            throws ParseException

Throws:

ParseException

automataDirective

public final void automataDirective(RuleBase rules,
 RuleImporter importer)
                             throws ParseException

Throws:

ParseException

defaultDirective

public final void defaultDirective(RuleBase rules)
                            throws ParseException

Throws:

ParseException

stemmingDirective

public final void stemmingDirective(RuleBase rules)
                             throws ParseException

Throws:

ParseException

languageDirective

public final void languageDirective(RuleBase rules)
                             throws ParseException

Throws:

ParseException

productionRule

public final void productionRule(RuleBase rules)
                          throws ParseException

Throws:

ParseException

productionRuleType

public final ProductionRule productionRuleType()
                                        throws ParseException

Throws:

ParseException

productionList

public final ProductionList productionList()
                                    throws ParseException

Throws:

ParseException

production

public final Production production()
                            throws ParseException

Throws:

ParseException

termProduction

public final TermProduction termProduction()
                                    throws ParseException

Throws:

ParseException

nonphraseTermProduction

public final TermProduction nonphraseTermProduction()
                                             throws ParseException

Throws:

ParseException

phraseProduction

public final LiteralPhraseProduction phraseProduction()
                                               throws ParseException

Throws:

ParseException

namespaceProduction

public final NamespaceProduction namespaceProduction()
                                              throws ParseException

Throws:

ParseException

referenceTermProduction

public final ReferenceTermProduction referenceTermProduction()
                                                      throws ParseException

Throws:

ParseException

literalTermProduction

public final LiteralTermProduction literalTermProduction()
                                                  throws ParseException

Throws:

ParseException

comparisonPrefix

public final String comparisonPrefix()
                              throws ParseException

Throws:

ParseException

termType

public final TermType termType()
                        throws ParseException

Throws:

ParseException

referenceIdentifier

public final String referenceIdentifier()
                                 throws ParseException

Throws:

ParseException

namedCondition

public final void namedCondition(RuleBase rules)
                          throws ParseException

Throws:

ParseException

topLevelCondition

public final Condition topLevelCondition()
                                  throws ParseException

Throws:

ParseException

condition

public final Condition condition()
                          throws ParseException

Throws:

ParseException

terminalOrSequenceCondition

public final Condition terminalOrSequenceCondition()
                                            throws ParseException

Throws:

ParseException

terminalCondition

public final Condition terminalCondition()
                                  throws ParseException

Throws:

ParseException

terminalOrComparisonCondition

public final Condition terminalOrComparisonCondition()
                                              throws ParseException

Throws:

ParseException

reallyTerminalCondition

public final Condition reallyTerminalCondition()
                                        throws ParseException

Throws:

ParseException

terminalConditionBody

public final Condition terminalConditionBody()
                                      throws ParseException

Throws:

ParseException

notCondition

public final Condition notCondition()
                             throws ParseException

Throws:

ParseException

conditionReference

public final ConditionReference conditionReference()
                                            throws ParseException

Throws:

ParseException

nonReferableEllipsisCondition

public final EllipsisCondition nonReferableEllipsisCondition()
                                                      throws ParseException

Throws:

ParseException

referableEllipsisCondition

public final EllipsisCondition referableEllipsisCondition()
                                                   throws ParseException

Throws:

ParseException

nestedCondition

public final Condition nestedCondition()
                                throws ParseException

Throws:

ParseException

sequenceCondition

public final Condition sequenceCondition()
                                  throws ParseException

Throws:

ParseException

choiceCondition

public final Condition choiceCondition()
                                throws ParseException

Throws:

ParseException

termCondition

public final TermCondition termCondition()
                                  throws ParseException

Throws:

ParseException

superCondition

public final SuperCondition superCondition()
                                    throws ParseException

Throws:

ParseException

literalCondition

public final LiteralCondition literalCondition()
                                        throws ParseException

Throws:

ParseException

compositeItemCondition

public final CompositeItemCondition compositeItemCondition()
                                                    throws ParseException

Throws:

ParseException

context

public final String context()
                     throws ParseException

Throws:

ParseException

label

public final String label()
                   throws ParseException

Throws:

ParseException

nameSpace

public final String nameSpace()
                       throws ParseException

Throws:

ParseException

identifier

public final String identifier()
                        throws ParseException

Throws:

ParseException

stringOrLiteral

public final String stringOrLiteral()
                             throws ParseException

Throws:

ParseException

identifierOrLiteral

public final String identifierOrLiteral()
                                 throws ParseException

Throws:

ParseException

comparison

public final String comparison()
                        throws ParseException

Throws:

ParseException

string

public final String string()
                    throws ParseException

Throws:

ParseException

literal

public final String literal()
                     throws ParseException

Throws:

ParseException

number

public final int number()
                 throws ParseException

Throws:

ParseException

ReInit

public void ReInit(InputStream stream,
 String encoding)

Reinitialise

Parameters:

stream - input stream

encoding - charset to be used. May not be null.

ReInit

public void ReInit(Reader stream)

Reinitialise

Parameters:

stream - char stream

ReInit

public void ReInit(SemanticsParserTokenManager tm)

Reinitialise

Parameters:

tm - Token manager to use

getNextToken

public final Token getNextToken()

Returns:

the next Token.

getToken

public final Token getToken(int index)

Parameters:

index - index to be retrieved

Returns:

the specific Token.

generateParseException

public ParseException generateParseException()

Generate ParseException.

Returns:

new Exception object. Never null

trace_enabled

public final boolean trace_enabled()

Returns:

Always false.

enable_tracing

public final void enable_tracing()

Enable tracing.

disable_tracing

public final void disable_tracing()

Disable tracing.