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java.lang.Objectunsw.cse.framescript.Term
unsw.cse.framescript.Compound
public class Compound
The class represents all function/subroutine references and calls.
Constructor Summary | |
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Compound(Atom functor)
Creates a Compound with 0 arguements. |
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Compound(Atom functor,
Term arg1)
Creates a Compound with 1 argument. |
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Compound(Atom functor,
Term arg1,
Term arg2)
Creates a Compound with 2 arguements. |
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Compound(Atom functor,
java.util.Vector args)
Creates a Compound with a list of arguements. |
Method Summary | |
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Term |
assign(Instance currentObject,
Term arg,
StackFrame frame)
Assigns a value to a Term. |
java.lang.String |
asString(int indentLevel,
boolean inPattern)
Turns the Term into a string. |
boolean |
equals(Term t)
Compares two Terms for equality. |
Term |
eval(Instance currentObject,
StackFrame frame)
Evalutes the function call. |
boolean |
fullMatch(unsw.cse.framescript.InputPattern input,
Instance current,
StackFrame frame)
Matches the Term to the current position in an input pattern. |
Term |
mapVars(FSList vars)
Maps atoms to variables from the list of variables. |
boolean |
match(unsw.cse.framescript.InputPattern input,
Instance current,
StackFrame frame)
Matches the Term to the current position in an input pattern. |
java.lang.String |
toString()
Turns the Term into a string. |
Methods inherited from class unsw.cse.framescript.Term |
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indents |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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public Compound(Atom functor)
functor
- name of the functionpublic Compound(Atom functor, Term arg1)
functor
- name of the functionarg1
- the argumentpublic Compound(Atom functor, Term arg1, Term arg2)
functor
- name of the functionarg1
- the first arguementarg2
- the second arguementpublic Compound(Atom functor, java.util.Vector args)
functor
- the name of the functionargs
- the arguements to the functionMethod Detail |
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public Term eval(Instance currentObject, StackFrame frame) throws FSException
eval
in class Term
currentObject
- the enclosing instance frame for the code being evaluatedframe
- StackFrame that holds the values for any variables
FSException
- if any errors occur in performing the evaluationpublic boolean equals(Term t)
Term
equals
in class Term
t
- Term to be compared to
public boolean match(unsw.cse.framescript.InputPattern input, Instance current, StackFrame frame) throws FSException
Term
match
in class Term
input
- the input the Term is being matched againstcurrent
- the enclosing instance frame for the code being evaluatedframe
- StackFrame that holds the values for any variables
FSException
- if any errors occur during the match processpublic boolean fullMatch(unsw.cse.framescript.InputPattern input, Instance current, StackFrame frame) throws FSException
Term
fullMatch
in class Term
input
- the input the Term is being matched againstcurrent
- the enclosing instance frame for the code being evaluatedframe
- StackFrame that holds the values for any variables
FSException
- if any errors occur during the match processpublic Term assign(Instance currentObject, Term arg, StackFrame frame) throws FSException
Term
assign
in class Term
currentObject
- the enclosing instance frame for the code being evaluated that
is performing the assignmentarg
- the unevaluated value to be assigned to the Termframe
- StackFrame that holds the values for any variables
FSException
- if assignment cannot be performedpublic Term mapVars(FSList vars) throws SyntaxError
Term
mapVars
in class Term
vars
- a list of variables to be mapped
SyntaxError
- if in performing the mapping it finds an invalid variable namepublic java.lang.String toString()
Term
toString
in class Term
public java.lang.String asString(int indentLevel, boolean inPattern)
Term
asString
in class Term
indentLevel
- indentation level to uses for any subsequent lines in the stringinPattern
- whether or not to format the string as though it is inside a pattern
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