water.exec
Class Expr

java.lang.Object
  water.exec.Expr

public abstract class Expr
extends java.lang.Object

Nested Class Summary

static class

Expr.Result

Field Summary

int	_pos Position of the expression in the parsed string.

Constructor Summary

protected

Expr(int pos)

Method Summary

abstract Expr.Result	eval()
static ValueArray	getValueArray(int pos, Key k)
ValueArray	getValueArray(Key k) Use this method to get ValueArrays as it is typechecked.

Methods inherited from class java.lang.Object

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

Field Detail

_pos

public final int _pos

Position of the expression in the parsed string.

Constructor Detail

Expr

protected Expr(int pos)

Method Detail

eval

public abstract Expr.Result eval()
                          throws EvaluationException

Throws:

EvaluationException

getValueArray

public ValueArray getValueArray(Key k)
                         throws EvaluationException

Use this method to get ValueArrays as it is typechecked.

Parameters:

k -

Returns:

Throws:

EvaluationException

getValueArray

public static ValueArray getValueArray(int pos,
                                       Key k)
                                throws EvaluationException

Throws:

EvaluationException