ua.gradsoft.termware
Class ListTerm

java.lang.Object
  extended by ua.gradsoft.termware.Term
      extended by ua.gradsoft.termware.AbstractComplexTerm
          extended by ua.gradsoft.termware.ListTerm
All Implemented Interfaces:
Serializable, Cloneable

public final class ListTerm
extends AbstractComplexTerm

Optimized representation for List term. (i. e. cons(x,cons(y)...) )

Author:
Ruslan Shevchenko
See Also:
Serialized Form

Field Summary
 
Fields inherited from class ua.gradsoft.termware.AbstractComplexTerm
emptyFv_
 
Constructor Summary
ListTerm(Term frs, Term snd)
           
 
Method Summary
 PartialOrderingResult concreteOrder(Term x, Substitution s)
          compare for 'more concrete' relation.
 Term createSame(Term[] newBody)
          create term, with same name but new body.
 int getArity()
          get arity of term.
 String getName()
          get name of term.
 Object getNameIndex()
          get name index in bounded symbol table or sust string, if name in symbol table does not exists.
 Term getSubtermAt(int i)
          get i-th subterm.
 void setSubtermAt(int i, Term t)
          set i-th subterm.
 Term termClone()
          do 'deep-clone' of object.
 
Methods inherited from class ua.gradsoft.termware.AbstractComplexTerm
boundEquals, boundUnify, clone, emptyFv, findSubtermIndexBoundEqualsTo, freeEquals, freeUnify, getBigDecimal, getBigInteger, getBoolean, getByte, getChar, getDouble, getFloat, getInt, getJavaObject, getLong, getNumber, getPatternName, getPatternNameIndex, getPrimaryType0, getShort, getString, getTerm, getXIndex, isAtom, isBigDecimal, isBigInteger, isBoolean, isByte, isChar, isComplexTerm, isDouble, isFloat, isInt, isJavaObject, isLong, isNil, isNumber, isShort, isString, isX, maxFv, minFv, normalizeFv, print, recheckEmptyFv, resetFV, shiftFv, subst, substInside, termCompare
 
Methods inherited from class ua.gradsoft.termware.Term
containsSubtermBoundEqualsTo, getAsBigDecimal, getAsBigInteger, getAsBoolean, getAsByte, getAsChar, getAsDouble, getAsFloat, getAsInt, getAsJavaObject, getAsLong, getAsNumber, getAsShort, getAsString, getPrimaryType1, print, println, println
 
Methods inherited from class java.lang.Object
equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

ListTerm

public ListTerm(Term frs,
                Term snd)
Method Detail

createSame

public Term createSame(Term[] newBody)
                throws TermWareException
Description copied from class: Term
create term, with same name but new body. If this term have arity 0, or other than original - throws exception.

Specified by:
createSame in class AbstractComplexTerm
Throws:
TermWareException

getArity

public int getArity()
Description copied from class: AbstractComplexTerm
get arity of term.

Specified by:
getArity in class AbstractComplexTerm
Returns:
arity of term

getName

public String getName()
Description copied from class: AbstractComplexTerm
get name of term. (i. e. functional symbold)

Specified by:
getName in class AbstractComplexTerm
Returns:
name

getNameIndex

public Object getNameIndex()
Description copied from class: AbstractComplexTerm
get name index in bounded symbol table or sust string, if name in symbol table does not exists.

Specified by:
getNameIndex in class AbstractComplexTerm

getSubtermAt

public Term getSubtermAt(int i)
Description copied from class: AbstractComplexTerm
get i-th subterm.

Specified by:
getSubtermAt in class AbstractComplexTerm
Parameters:
i - - index of subterm to get.
Returns:
subterm, which located by index i

setSubtermAt

public void setSubtermAt(int i,
                         Term t)
Description copied from class: AbstractComplexTerm
set i-th subterm.

Specified by:
setSubtermAt in class AbstractComplexTerm
Parameters:
i - - indext of subterm to set.
t - - subterm to set.

termClone

public Term termClone()
               throws TermWareException
Description copied from class: AbstractComplexTerm
do 'deep-clone' of object. i. e. after calling termClone we sure, that call of setSubtermAt() in any subtree of deepClone of original term does not affect original term.

Specified by:
termClone in class AbstractComplexTerm
Throws:
TermWareException

concreteOrder

public PartialOrderingResult concreteOrder(Term x,
                                           Substitution s)
                                    throws TermWareException
Description copied from class: Term
compare for 'more concrete' relation. i. e. x.<(concrete)<(y) means, that for each substitution of free variables sx exists substituion sy : x[sx] = y[sy] .
Substitution s store previously matched variables.

Specified by:
concreteOrder in class Term
Throws:
TermWareException