Class MathExpression.VariableRegistry

java.lang.Object

com.github.gbenroscience.parser.MathExpression.VariableRegistry

Enclosing class:

MathExpression

public static final class MathExpression.VariableRegistry
extends Object

Manages the mapping of variable names to frame slots. Use one instance per MathExpression compilation.

Author:

GBENRO

Constructor Summary

Constructors

Constructor	Description
VariableRegistry()

Method Summary

Modifier and Type	Method	Description
int	getSlot(String name)	Returns the slot index for a variable name.
boolean	hasVariable(String name)
void	reset()
int	size()	Returns the total number of slots required for the execution frame.

Methods inherited from class java.lang.Object

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

Constructor Details

VariableRegistry

public VariableRegistry()

Method Details

getSlot

public int getSlot(String name)

Returns the slot index for a variable name. If the name is new, it assigns a new slot.

Parameters:

name - The name of the Variable

hasVariable

public boolean hasVariable(String name)

size

public int size()

Returns the total number of slots required for the execution frame.

reset

public void reset()