com.wewebu.expression.language

Class OwExprAnonymousSymbol

java.lang.Object

com.wewebu.expression.language.OwExprSymbol

com.wewebu.expression.language.OwExprAnonymousSymbol

public class OwExprAnonymousSymbol
extends OwExprSymbol

Anonymous symbols represent evaluation time symbols used to check expression return type consistency and array element type consistency.
Examples :

(a-b).days	Creates an anonymous symbol for expression a-b
arrayObject[1][2]	Creates 2 anonymous symbols for expressions arrayObject[1] and arrayObject[1][2]. Further references to array first and second array dimensions will be type checked against this symbols.

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Field Summary

Fields inherited from class com.wewebu.expression.language.OwExprSymbol

m_parent

Constructor Summary

Constructors

Constructor and Description
OwExprAnonymousSymbol(OwExprSymbol parent_p, String name_p, OwExprExpressionType type_p) Constructor
OwExprAnonymousSymbol(OwExprSymbol parent_p, String name_p, OwExprType type_p) Constructor
OwExprAnonymousSymbol(OwExprSymbol parent_p, String name_p, OwExprType[] types_p) Constructor

Method Summary

Methods

Modifier and Type	Method and Description
boolean	matches(OwExprScope scope_p) A match method used to check the validity of symbols for certain scopes. Can be used to discover symbol and related expressions validity before evaluation.

Methods inherited from class com.wewebu.expression.language.OwExprSymbol

addAnonymousSymbol, addFunctionSymbol, addPropertySymbol, getName, getSymbol, getSymbolFQN, getSymbolTable, getType, issueRuntimeSymbolName, toPrettyPrintString, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

OwExprAnonymousSymbol

public OwExprAnonymousSymbol(OwExprSymbol parent_p,
                     String name_p,
                     OwExprExpressionType type_p)

Constructor

OwExprAnonymousSymbol

public OwExprAnonymousSymbol(OwExprSymbol parent_p,
                     String name_p,
                     OwExprType type_p)

Constructor

OwExprAnonymousSymbol

public OwExprAnonymousSymbol(OwExprSymbol parent_p,
                     String name_p,
                     OwExprType[] types_p)

Constructor

Method Detail

matches

public boolean matches(OwExprScope scope_p)

A match method used to check the validity of symbols for certain scopes.
Can be used to discover symbol and related expressions validity before evaluation.

Specified by:

matches in class OwExprSymbol

Parameters:

scope_p - a scope to search the symbol on

Returns:

always true (No pre-evaluation match is implemented for anonymous symbols).