Package jadex.javaparser.javaccimpl

Class MathNode

java.lang.Object

jadex.javaparser.javaccimpl.SimpleNode

jadex.javaparser.javaccimpl.ExpressionNode

jadex.javaparser.javaccimpl.MathNode

All Implemented Interfaces:

IParsedExpression, Node, Serializable

public class MathNode
extends ExpressionNode

Math node performs mathematical operations on it's (one or two) child nodes.

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
static final int	ADD	The plus operator.
static final int	AND	The bitwise and operator.
static final int	DIVIDE	The divide operator.
static final int	LSHIFT	The left shift operator.
static final int	MODULO	The modula operator.
static final int	MULTIPLY	The multiply operator.
static final int	NOT	The bitwise not operator (unary).
protected int	op	The operation.
static final int	OR	The bitwise or operator.
static final int	RSHIFT	The right shift operator.
static final int	SUBSTRACT	The minus operator.
static final int	URSHIFT	The unsinged right shift operator.
static final int	XOR	The bitwise xor operator.

Fields inherited from class jadex.javaparser.javaccimpl.ExpressionNode

constant, constant_value, expressiontext, imports, static_type, text

Fields inherited from class jadex.javaparser.javaccimpl.SimpleNode

children, id, parent

Constructor Summary

Constructors

Constructor	Description
MathNode(jadex.javaparser.javaccimpl.ParserImpl p, int id)	Create a node.

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object o)	Test if two nodes are equal.
static int	fromString(String operator)	Convert an operator from a string representation.
Object	getUnaryValue(jadex.common.IValueFetcher fetcher)	Evaluate the term.
Object	getValue(jadex.common.IValueFetcher fetcher)	Evaluate the expression in the given state with respect to given parameters.
int	hashCode()	Get the hash code for the node.
void	precompile()	Precompute the static type and constant value if possible.
protected void	precompileUnary()	Precompile unary node.
void	setText(String text)	Set the token text.
String	toPlainString()	Create a string representation of this node and its subnodes.
static String	toString(int operator)	Convert an operator to a string representation.

Methods inherited from class jadex.javaparser.javaccimpl.ExpressionNode

appendText, getConstantValue, getExpressionText, getParameters, getStaticType, getText, getUnboundParameterNodes, isConstant, precompileTree, setConstant, setConstantValue, setExpressionText, setStaticType, subnodeToString, throwEvaluationException, throwParseException, toString, toString

Methods inherited from class jadex.javaparser.javaccimpl.SimpleNode

dump, jjtAddChild, jjtClose, jjtGetChild, jjtGetNumChildren, jjtGetParent, jjtOpen, jjtSetParent

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Details

ADD

public static final int ADD

The plus operator.

See Also:

• Constant Field Values

SUBSTRACT

public static final int SUBSTRACT

The minus operator.

See Also:

• Constant Field Values

MULTIPLY

public static final int MULTIPLY

The multiply operator.

See Also:

• Constant Field Values

DIVIDE

public static final int DIVIDE

The divide operator.

See Also:

• Constant Field Values

MODULO

public static final int MODULO

The modula operator.

See Also:

• Constant Field Values

AND

public static final int AND

The bitwise and operator.

See Also:

• Constant Field Values

OR

public static final int OR

The bitwise or operator.

See Also:

• Constant Field Values

XOR

public static final int XOR

The bitwise xor operator.

See Also:

• Constant Field Values

NOT

public static final int NOT

The bitwise not operator (unary).

See Also:

• Constant Field Values

LSHIFT

public static final int LSHIFT

The left shift operator.

See Also:

• Constant Field Values

RSHIFT

public static final int RSHIFT

The right shift operator.

See Also:

• Constant Field Values

URSHIFT

public static final int URSHIFT

The unsinged right shift operator.

See Also:

• Constant Field Values

op

protected int op

The operation.

Constructor Details

MathNode

public MathNode(jadex.javaparser.javaccimpl.ParserImpl p,
 int id)

Create a node.

Parameters:

p - The parser.

id - The id.

Method Details

setText

public void setText(String text)

Set the token text.

Overrides:

setText in class ExpressionNode

Parameters:

text - The token text.

precompile

public void precompile()

Precompute the static type and constant value if possible.

Overrides:

precompile in class ExpressionNode

getValue

public Object getValue(jadex.common.IValueFetcher fetcher)

Evaluate the expression in the given state with respect to given parameters.

Specified by:

getValue in interface IParsedExpression

Specified by:

getValue in class ExpressionNode

Parameters:

params - The parameters (string, value pairs), if any.

Returns:

The value of the term.

precompileUnary

protected void precompileUnary()

Precompile unary node.

getUnaryValue

public Object getUnaryValue(jadex.common.IValueFetcher fetcher)

Evaluate the term.

Parameters:

params - The parameters (string, value).

Returns:

The value of the term.

toPlainString

public String toPlainString()

Create a string representation of this node and its subnodes.

Specified by:

toPlainString in interface Node

Overrides:

toPlainString in class ExpressionNode

Returns:

A string representation of this node.

toString

public static String toString(int operator)

Convert an operator to a string representation.

Parameters:

operator - The operator

Returns:

A string representation of the operator.

fromString

public static int fromString(String operator)

Convert an operator from a string representation.

Parameters:

operator - The operator as string.

Returns:

The int value of the operator.

equals

public boolean equals(Object o)

Test if two nodes are equal.

Overrides:

equals in class ExpressionNode

hashCode

public int hashCode()

Get the hash code for the node.

Overrides:

hashCode in class ExpressionNode