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gnu.prolog.database
Class PrologTextLoader

java.lang.Object
 extended by gnu.prolog.database.PrologTextLoader

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public class PrologTextLoader
extends Object

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Field Summary
static CompoundTermTag	build_inTag
static CompoundTermTag	char_conversionTag
static CompoundTermTag	controlTag
protected String	currentFile current file
protected TermReader	currentReader current term reader
static CompoundTermTag	discontiguousTag
static CompoundTermTag	dynamicTag
static CompoundTermTag	ensure_loadedTag
static CompoundTermTag	externalTag
static CompoundTermTag	file1Tag
protected Stack<String>	fileStack stack of previous files
static CompoundTermTag	includeTag
static CompoundTermTag	initializationTag
static CompoundTermTag	multifileTag
protected OperatorSet	operatorSet operator set
static CompoundTermTag	opTag
protected PrologTextLoaderState	prologTextLoaderState prolog text loader state
protected Stack<TermReader>	readerStack stack of previous readers
static CompoundTermTag	resource1Tag
protected String	rootFile root file
static CompoundTermTag	set_prolog_flagTag
static CompoundTermTag	url1Tag

Constructor Summary
protected	PrologTextLoader(PrologTextLoaderState prologTextLoaderState)
	PrologTextLoader(PrologTextLoaderState prologTextLoaderState, Reader stream)
	PrologTextLoader(PrologTextLoaderState prologTextLoaderState, Reader stream, String streamName)
	PrologTextLoader(PrologTextLoaderState prologTextLoaderState, Term root)

Method Summary
int	getCurrentColumn()
String	getCurrentFile()
int	getCurrentLine()
PrologTextLoaderError	getCurrentPartialLoaderError() Get a PrologTextLoaderError for the position the PrologTextLoader is at to use later if something goes wrong caused by an error here.
PrologTextLoaderState	getPrologTextLoaderState()
void	logError(ParseException ex)
void	logError(String message)
protected void	processBuildInDirective(Term pi, Term className)
protected void	processCharConversionDirective(Term from, Term to)
protected void	processClause(Term argument)
protected void	processControlDirective(Term pi, Term className)
protected void	processDiscontiguousDirective(Term pi)
protected void	processDynamicDirective(Term pi)
protected void	processEnsureLoadedDirective(Term argument)
protected void	processEof()
protected void	processExternalDirective(Term pi, Term className)
protected void	processFile()
protected void	processIncludeDirective(Term argument)
protected void	processInitializationDirective(Term term)
protected void	processMultifileDirective(Term pi)
protected void	processOpDirective(Term priority, Term specifier, Term operatorAtom)
protected void	processSetPrologFlagDirective(Term arg0, Term arg1)

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

rootFile

protected String rootFile

root file

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currentFile

protected String currentFile

current file

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currentReader

protected TermReader currentReader

current term reader

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readerStack

protected Stack<TermReader> readerStack

stack of previous readers

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fileStack

protected Stack<String> fileStack

stack of previous files

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operatorSet

protected OperatorSet operatorSet

operator set

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prologTextLoaderState

protected PrologTextLoaderState prologTextLoaderState

prolog text loader state

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includeTag

public static final CompoundTermTag includeTag

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multifileTag

public static final CompoundTermTag multifileTag

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dynamicTag

public static final CompoundTermTag dynamicTag

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discontiguousTag

public static final CompoundTermTag discontiguousTag

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opTag

public static final CompoundTermTag opTag

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char_conversionTag

public static final CompoundTermTag char_conversionTag

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initializationTag

public static final CompoundTermTag initializationTag

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ensure_loadedTag

public static final CompoundTermTag ensure_loadedTag

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set_prolog_flagTag

public static final CompoundTermTag set_prolog_flagTag

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externalTag

public static final CompoundTermTag externalTag

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build_inTag

public static final CompoundTermTag build_inTag

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controlTag

public static final CompoundTermTag controlTag

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url1Tag

public static final CompoundTermTag url1Tag

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resource1Tag

public static final CompoundTermTag resource1Tag

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file1Tag

public static final CompoundTermTag file1Tag

Constructor Detail

PrologTextLoader

protected PrologTextLoader(PrologTextLoaderState prologTextLoaderState)

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PrologTextLoader

public PrologTextLoader(PrologTextLoaderState prologTextLoaderState,
 Term root)

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PrologTextLoader

public PrologTextLoader(PrologTextLoaderState prologTextLoaderState,
 Reader stream)

Parameters:

prologTextLoaderState -

stream - the input stream to read from.

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PrologTextLoader

public PrologTextLoader(PrologTextLoaderState prologTextLoaderState,
 Reader stream,
 String streamName)

Parameters:

prologTextLoaderState -

stream -

streamName - The stream name

Method Detail

getCurrentFile

public String getCurrentFile()

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getCurrentLine

public int getCurrentLine()

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getCurrentColumn

public int getCurrentColumn()

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getCurrentPartialLoaderError

public PrologTextLoaderError getCurrentPartialLoaderError()

Get a PrologTextLoaderError for the position the PrologTextLoader is at to use later if something goes wrong caused by an error here. The message is null. This is mainly intended for use during initialisation.

Returns:

a partially filled in PrologTextLoaderError (missing a message)

See Also:

PrologTextLoaderState.addInitialization(PrologTextLoader,Term)

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getPrologTextLoaderState

public PrologTextLoaderState getPrologTextLoaderState()

Returns:

the prologTextLoaderState

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processFile

protected void processFile()

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processSetPrologFlagDirective

protected void processSetPrologFlagDirective(Term arg0,
 Term arg1)

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processBuildInDirective

protected void processBuildInDirective(Term pi,
 Term className)

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processControlDirective

protected void processControlDirective(Term pi,
 Term className)

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processExternalDirective

protected void processExternalDirective(Term pi,
 Term className)

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processInitializationDirective

protected void processInitializationDirective(Term term)

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processCharConversionDirective

protected void processCharConversionDirective(Term from,
 Term to)

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processOpDirective

protected void processOpDirective(Term priority,
 Term specifier,
 Term operatorAtom)

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processDiscontiguousDirective

protected void processDiscontiguousDirective(Term pi)

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processMultifileDirective

protected void processMultifileDirective(Term pi)

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processDynamicDirective

protected void processDynamicDirective(Term pi)

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processClause

protected void processClause(Term argument)

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processIncludeDirective

protected void processIncludeDirective(Term argument)

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processEnsureLoadedDirective

protected void processEnsureLoadedDirective(Term argument)

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processEof

protected void processEof()

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logError

public void logError(String message)

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logError

public void logError(ParseException ex)

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