jcaas.script_nodes
Class ArithmeticExpression

java.lang.Object
  jcaas.script_nodes.AbstractInterpretable
      jcaas.script_nodes.ArithmeticExpression

All Implemented Interfaces:

Interpretable

public class ArithmeticExpression
extends AbstractInterpretable

This class represents an arithmetic_exp node in the syntax tree of a script file.

Field Summary

static int	MINUS
static int	NONE
static int	PLUS

Constructor Summary

ArithmeticExpression(ArithmeticExpression exp, ArithmeticTerm term, int operation)
Constructor for when an arithmetic_exp ::= arithmetic_exp op arithmetic_term where op is the constant PLUS, for '+', or MINUS, for '-'.

ArithmeticExpression(ArithmeticTerm term)
Constructor for when arithmetic_exp ::= arithmeitc_term.

Method Summary

void	interpret(Context c)

Methods inherited from class java.lang.Object

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

Field Detail

NONE

public static final int NONE

See Also:

Constant Field Values

PLUS

public static final int PLUS

See Also:

Constant Field Values

MINUS

public static final int MINUS

See Also:

Constant Field Values

Constructor Detail

ArithmeticExpression

public ArithmeticExpression(ArithmeticExpression exp,
                            ArithmeticTerm term,
                            int operation)

Constructor for when an arithmetic_exp ::= arithmetic_exp op arithmetic_term where op is the constant PLUS, for '+', or MINUS, for '-'.

Parameters:

exp - another arithmetic_exp to add or subtract something to.

term - the term to add or subtract.

operation - the operation to perform.

ArithmeticExpression

public ArithmeticExpression(ArithmeticTerm term)

Constructor for when arithmetic_exp ::= arithmeitc_term.

Parameters:

term - the term to drop down to in the syntax tree.

Method Detail

interpret

public void interpret(Context c)