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java.lang.Objectunsw.cse.framescript.Term
unsw.cse.framescript.Variable
public class Variable
This class implements local variable in FrameScript.
Field Summary | |
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static Variable |
current_object
|
static Variable |
current_slot
|
static Variable |
newValue
|
static Variable |
oldValue
|
Method Summary | |
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Term |
assign(Instance currentObject,
Term arg,
StackFrame stackframe)
Assigns a value to a Term. |
boolean |
equals(Term t)
Compares two Terms for equality. |
Term |
eval(Instance currentObject,
StackFrame stackframe)
Evaluates a Term. |
Term |
mapVars(FSList vars)
Maps atoms to variables from the list of variables. |
static Variable |
newCommonVariable(Atom name)
Adds a new variable to the list of common variables. |
java.lang.String |
toString()
Turns the Term into a string. |
Methods inherited from class unsw.cse.framescript.Term |
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asString, fullMatch, indents, match |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Field Detail |
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public static Variable current_object
public static Variable current_slot
public static Variable newValue
public static Variable oldValue
Method Detail |
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public static Variable newCommonVariable(Atom name)
name
- the name of the new variable
public Term eval(Instance currentObject, StackFrame stackframe) throws FSException
Term
eval
in class Term
currentObject
- the enclosing instance frame for the code being evaluatedstackframe
- 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 Term assign(Instance currentObject, Term arg, StackFrame stackframe) 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 Termstackframe
- StackFrame that holds the values for any variables
FSException
- if assignment cannot be performedpublic Term mapVars(FSList vars)
Term
mapVars
in class Term
vars
- a list of variables to be mapped
public java.lang.String toString()
Term
toString
in class Term
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