org.globus.cog.karajan.parser.atoms
Class AbstractAtom

java.lang.Object
  org.globus.cog.karajan.parser.AbstractGrammarElement
      org.globus.cog.karajan.parser.atoms.AbstractAtom

All Implemented Interfaces:

GrammarElement

Direct Known Subclasses:

AbstractBinaryNumericAtom, Alphanumeric, AnyToken, BeginElement, Comma, CommaSeparator, Concat, Concat, Digits, Drop, ElementDef, EmptyProgram, EmptyString, EndElement, EOF, Epsilon, Error, Fractional, HorizontalWhitespace, Identifier, IgnoreWhitespace, Include, Integral, Kernel, Letter, List, ListAdd, Literal, LiteralNC, Named, Namespace, Negate, Newline, NotLiteral, NumericValue, Push, Rot, SingleLineComment, StringAtom, StringToken, StringValue, Swap, Transliterate, Underscore, Variable, Variable

public abstract class AbstractAtom
extends AbstractGrammarElement

Field Summary

Fields inherited from class org.globus.cog.karajan.parser.AbstractGrammarElement

GEATYPE, optimized

Constructor Summary

AbstractAtom()

Method Summary

GrammarElement	_optimize(Rules rules)
Object	evaluate(EvaluationContext variables)
static AbstractAtom	newInstance(PeekableEnumeration st, AtomMapping mapping)
boolean	parse(ParserContext context, Stack stack)
protected String	popstr(Stack stack)
void	read(PeekableEnumeration st, AtomMapping mapping)
protected void	setParams(String[] params)

Methods inherited from class org.globus.cog.karajan.parser.AbstractGrammarElement

assertEquals, assertFalse, assertTrue, assertTrue, errorForm, expect, optimize

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractAtom

public AbstractAtom()

Method Detail

newInstance

public static AbstractAtom newInstance(PeekableEnumeration st,
                                       AtomMapping mapping)

setParams

protected void setParams(String[] params)

read

public final void read(PeekableEnumeration st,
                       AtomMapping mapping)

_optimize

public GrammarElement _optimize(Rules rules)

Specified by:

_optimize in class AbstractGrammarElement

parse

public boolean parse(ParserContext context,
                     Stack stack)
              throws ParsingException

Throws:

ParsingException

evaluate

public Object evaluate(EvaluationContext variables)
                throws EvaluationException

Throws:

EvaluationException

popstr

protected String popstr(Stack stack)
                 throws ParsingException

Throws:

ParsingException