org.jacorb.notification.filter.etcl

Class BinaryOperator

java.lang.Object

antlr.BaseAST

org.jacorb.notification.filter.etcl.AbstractTCLNode

org.jacorb.notification.filter.etcl.BinaryOperator

All Implemented Interfaces:

antlr.collections.AST, Serializable, TCLParserTokenTypes

Direct Known Subclasses:

DivOperator, EqOperator, GteOperator, GtOperator, InOperator, LteOperator, LtOperator, MultOperator, NeqOperator, SubstrOperator

public abstract class BinaryOperator
extends AbstractTCLNode

Author:

Alphonse Bendt

See Also:

Serialized Form

Field Summary

Fields inherited from class antlr.BaseAST

down, right

Fields inherited from interface org.jacorb.notification.filter.etcl.TCLParserTokenTypes

AND, ARRAY, ASSOC, DEFAULT, DISCRIM, DIV, DOLLAR, DOT, EOF, EQ, EXIST, FALSE, FIRST, GT, GTE, IDENTIFIER, IMPLICIT, IN, LBRACKET, LENGTH, LPAREN, LT, LTE, MAX, MIN, MINUS, MULT, NEQ, NOT, NULL_TREE_LOOKAHEAD, NUM_FLOAT, NUMBER, OR, PLUS, RANDOM, RBRACKET, REPO_ID, RPAREN, RUNTIME_VAR, STRING, SUBSTR, TRUE, TYPE, TYPE_ID, UNARY_MINUS, UNARY_PLUS, UNION_POS, WITH, WS

Constructor Summary

Constructors

Constructor and Description
BinaryOperator(antlr.Token tok)

Method Summary

Methods

Modifier and Type	Method and Description
void	acceptInOrder(AbstractTCLVisitor visitor) accept a visitor for traversal Inorder
void	acceptPostOrder(AbstractTCLVisitor visitor) accept a visitor for traversal in Postorder.
void	acceptPreOrder(AbstractTCLVisitor visitor) accept a visitor for traversal in Preorder.
EvaluationResult	evaluate(EvaluationContext context) Evaluate this Node.
protected EvaluationResult	evaluate(EvaluationContext context, EvaluationResult left)
protected abstract EvaluationResult	evaluate(EvaluationContext context, EvaluationResult left, EvaluationResult rightNode)
protected abstract void	visitThis(AbstractTCLVisitor visitor)

Methods inherited from class org.jacorb.notification.filter.etcl.AbstractTCLNode

getName, getNameForType, getType, hasNextSibling, initialize, initialize, initialize, isBoolean, isNumber, isStatic, isString, left, printToStringBuffer, right, setType, toStringTree

Methods inherited from class antlr.BaseAST

addChild, decode, encode, equals, equalsList, equalsListPartial, equalsTree, equalsTreePartial, findAll, findAllPartial, getFirstChild, getNextSibling, getNumberOfChildren, getText, removeChildren, setFirstChild, setNextSibling, setText, setVerboseStringConversion, toString, toStringList, xmlSerialize, xmlSerializeNode, xmlSerializeRootClose, xmlSerializeRootOpen

Methods inherited from class java.lang.Object

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

Constructor Detail

BinaryOperator

public BinaryOperator(antlr.Token tok)

Method Detail

evaluate

protected final EvaluationResult evaluate(EvaluationContext context,
                        EvaluationResult left)
                                   throws EvaluationException

Throws:

EvaluationException

evaluate

protected abstract EvaluationResult evaluate(EvaluationContext context,
                        EvaluationResult left,
                        EvaluationResult rightNode)
                                      throws EvaluationException

Throws:

EvaluationException

acceptInOrder

public final void acceptInOrder(AbstractTCLVisitor visitor)
                         throws VisitorException

Description copied from class: AbstractTCLNode

accept a visitor for traversal Inorder

Specified by:

acceptInOrder in class AbstractTCLNode

Throws:

VisitorException

acceptPostOrder

public final void acceptPostOrder(AbstractTCLVisitor visitor)
                           throws VisitorException

Description copied from class: AbstractTCLNode

accept a visitor for traversal in Postorder. the right and left subtrees are visited before the root node is visited.

Specified by:

acceptPostOrder in class AbstractTCLNode

Throws:

VisitorException

acceptPreOrder

public final void acceptPreOrder(AbstractTCLVisitor visitor)
                          throws VisitorException

Description copied from class: AbstractTCLNode

accept a visitor for traversal in Preorder. the root node is visited before the left and the right subtrees are visited.

Specified by:

acceptPreOrder in class AbstractTCLNode

Throws:

VisitorException

visitThis

protected abstract void visitThis(AbstractTCLVisitor visitor)
                           throws VisitorException

Throws:

VisitorException

evaluate

public final EvaluationResult evaluate(EvaluationContext context)
                                throws EvaluationException

Description copied from class: AbstractTCLNode

Evaluate this Node.

Overrides:

evaluate in class AbstractTCLNode

Parameters:

context - an EvaluationContext value contains all context information necessary for the evaluation

Returns:

an EvaluationResult value

Throws:

EvaluationException - occurs if e.g. an expression contains a reference to a non-existent struct member or if it is tried to add a string and a number