net.sf.jse
Class PatternVariableFragment

java.lang.Object
  |
  +--net.sf.jse.Fragment
        |
        +--net.sf.jse.CompoundFragment
              |
              +--net.sf.jse.CompoundMacroFragment
                    |
                    +--net.sf.jse.PatternVariableFragment

All Implemented Interfaces:

java.lang.Cloneable

Direct Known Subclasses:

DotDotDotFragment

public class PatternVariableFragment

extends net.sf.jse.CompoundMacroFragment

A pattern/template variable

Version:

0.9, 03OCT00

Author:

Jonathan Bachrach, Keith Playford

Fields inherited from class net.sf.jse.Fragment

out

Constructor Summary

PatternVariableFragment()

PatternVariableFragment(java.lang.String string)

PatternVariableFragment(java.lang.String string, antlr.Token t)

PatternVariableFragment(antlr.Token t)

Method Summary

FragmentList	collectBoundVariables()
Expansion	compilePatternElement(FragmentList tail, IdentifierFragment nowVar, IdentifierFragment endVar) Top level entry point to compiling fragments within a pattern
Fragment	compileQuestionExpression(int tDepth, int qDepth)
Fragment	compileTemplate(int depth) Template code generator -- probably should be compileTemplateElement
Expansion	generatePatternCode(IdentifierFragment nowVar, IdentifierFragment nextVar) Pattern matching code generator
SyntaxConstraint	getConstraint()
java.lang.String	getFragmentClassName()
FragmentList	getInsideFragments()
java.lang.String	getName()
IdentifierFragment	getVariableName()
void	setInsideFragments(FragmentList fs)
List	tokens()
java.lang.String	toString()

Methods inherited from class net.sf.jse.CompoundFragment

compileNestedTemplate

Methods inherited from class net.sf.jse.Fragment

capitalize, die, expandMacros, expandTemplates, getChar, getCurrentLine, getFloat, getInt, getLine, getString, getValue, isTerminator, makeToken, makeToken, markMacros, setCurrentLine

Methods inherited from class java.lang.Object

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

Constructor Detail

PatternVariableFragment

public PatternVariableFragment()

PatternVariableFragment

public PatternVariableFragment(java.lang.String string)

PatternVariableFragment

public PatternVariableFragment(java.lang.String string,
                               antlr.Token t)

PatternVariableFragment

public PatternVariableFragment(antlr.Token t)

Method Detail

getConstraint

public SyntaxConstraint getConstraint()

getVariableName

public IdentifierFragment getVariableName()

getFragmentClassName

public java.lang.String getFragmentClassName()

getName

public java.lang.String getName()

getInsideFragments

public FragmentList getInsideFragments()

Overrides:

getInsideFragments in class Fragment

setInsideFragments

public void setInsideFragments(FragmentList fs)

Overrides:

setInsideFragments in class CompoundFragment

tokens

public List tokens()

Overrides:

tokens in class CompoundFragment

toString

public java.lang.String toString()

Overrides:

toString in class CompoundFragment

collectBoundVariables

public FragmentList collectBoundVariables()

Overrides:

collectBoundVariables in class CompoundFragment

compilePatternElement

public Expansion compilePatternElement(FragmentList tail,
                                       IdentifierFragment nowVar,
                                       IdentifierFragment endVar)

Description copied from class: Fragment

Top level entry point to compiling fragments within a pattern

Overrides:

compilePatternElement in class Fragment

Following copied from class: net.sf.jse.Fragment

Parameters:

tail - remaining fragments to compiling through tail calling

nowVar - runtime variable bound to current input fragments

See Also:

Template.compilePattern(net.sf.jse.Fragment, net.sf.jse.IdentifierFragment)

generatePatternCode

public Expansion generatePatternCode(IdentifierFragment nowVar,
                                     IdentifierFragment nextVar)

Description copied from class: Fragment

Pattern matching code generator

Overrides:

generatePatternCode in class Fragment

Following copied from class: net.sf.jse.Fragment

Parameters:

nowVar - runtime variable bound to current input fragments

nextVar - where to put remaining fragments after matching

See Also:

Fragment.compilePatternElement(net.sf.jse.FragmentList, net.sf.jse.IdentifierFragment, net.sf.jse.IdentifierFragment)

compileTemplate

public Fragment compileTemplate(int depth)

Description copied from class: Fragment

Template code generator -- probably should be compileTemplateElement

Overrides:

compileTemplate in class CompoundFragment

Following copied from class: net.sf.jse.Fragment

See Also:

Template.compileTemplate(int)

compileQuestionExpression

public Fragment compileQuestionExpression(int tDepth,
                                          int qDepth)

Overrides:

compileQuestionExpression in class Fragment