org.jacorb.notification.filter.etcl

Class SubstrOperator

java.lang.Object

antlr.BaseAST

org.jacorb.notification.filter.etcl.AbstractTCLNode

org.jacorb.notification.filter.etcl.BinaryOperator

org.jacorb.notification.filter.etcl.SubstrOperator

All Implemented Interfaces:

antlr.collections.AST, Serializable, TCLParserTokenTypes

public class SubstrOperator
extends BinaryOperator

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
SubstrOperator(antlr.Token tok)

Method Summary

Methods

Modifier and Type	Method and Description
EvaluationResult	evaluate(EvaluationContext context) Evaluate this Node.
EvaluationResult	evaluate(EvaluationContext context, EvaluationResult left, EvaluationResult rightVal)
boolean	isStatic()
String	toString()
protected void	visitThis(AbstractTCLVisitor visitor)

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

acceptInOrder, acceptPostOrder, acceptPreOrder, evaluate

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

getName, getNameForType, getType, hasNextSibling, initialize, initialize, initialize, isBoolean, isNumber, 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, toStringList, xmlSerialize, xmlSerializeNode, xmlSerializeRootClose, xmlSerializeRootOpen

Methods inherited from class java.lang.Object

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

Constructor Detail

SubstrOperator

public SubstrOperator(antlr.Token tok)

Method Detail

toString

public String toString()

Specified by:

toString in interface antlr.collections.AST

Overrides:

toString in class antlr.BaseAST

evaluate

public EvaluationResult evaluate(EvaluationContext context,
                        EvaluationResult left,
                        EvaluationResult rightVal)
                          throws EvaluationException

Specified by:

evaluate in class BinaryOperator

Throws:

EvaluationException

isStatic

public boolean isStatic()

Overrides:

isStatic in class AbstractTCLNode

visitThis

protected void visitThis(AbstractTCLVisitor visitor)
                  throws VisitorException

Specified by:

visitThis in class BinaryOperator

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