plp.expressions2.expression.ExpBinaria

plp.expressions2.expression.ExpBinaria Class Reference

Inherits plp.expressions2.expression.Expressao.

Inherited by plp.expressions2.expression.ExpAnd, plp.expressions2.expression.ExpConcat, plp.expressions2.expression.ExpEquals, plp.expressions2.expression.ExpOr, plp.expressions2.expression.ExpSoma, and plp.expressions2.expression.ExpSub.

Inheritance diagram for plp.expressions2.expression.ExpBinaria:

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[legend]Collaboration diagram for plp.expressions2.expression.ExpBinaria:

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[legend]List of all members.


Public Member Functions
	ExpBinaria (Expressao esq, Expressao dir, String operador)
Expressao	getEsq ()
Expressao	getDir ()
String	getOperador ()
String	toString ()
boolean	checaTipo (AmbienteCompilacao amb) throws VariavelNaoDeclaradaException, VariavelJaDeclaradaException
Protected Member Functions
abstract boolean	checaTipoElementoTerminal (AmbienteCompilacao amb) throws VariavelNaoDeclaradaException, VariavelJaDeclaradaException
Private Attributes
Expressao	esq
Expressao	dir
String	operador

Detailed Description

Uma expressao binaria contem duas expressoes e um operador. Ha uma ordem definida entre estas sub-expressoes

Definition at line 11 of file ExpBinaria.java.

Constructor & Destructor Documentation

plp.expressions2.expression.ExpBinaria.ExpBinaria	(	Expressao	esq,
		Expressao	dir,
		String	operador
	)

Construtor da classe.

Parameters:

	esq	a expressao da esquerda.
	esq	a expressao da direita.
	operador	o operador desta expressao binaria.

Definition at line 35 of file ExpBinaria.java.

References plp.expressions2.expression.ExpBinaria.dir, and plp.expressions2.expression.ExpBinaria.esq.

Member Function Documentation

boolean plp.expressions2.expression.ExpBinaria.checaTipo ( AmbienteCompilacao amb ) throws VariavelNaoDeclaradaException, VariavelJaDeclaradaException

Realiza a verificacao de tipos desta expressao.

Parameters:

amb

o ambiente de compilação.

Returns:: true se os tipos das subexpressoes sao validos; false caso contrario.

Exceptions:

	VariavelJaDeclaradaException	se a variável já está declarada no ambiente
	VariavelNaoDeclaradaException	se a variável ainda não foi declarada no ambiente.

Implements plp.expressions2.expression.Expressao.

Definition at line 94 of file ExpBinaria.java.

References plp.expressions2.expression.ExpBinaria.getDir(), and plp.expressions2.expression.ExpBinaria.getEsq().

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abstract boolean plp.expressions2.expression.ExpBinaria.checaTipoElementoTerminal ( AmbienteCompilacao amb ) throws VariavelNaoDeclaradaException, VariavelJaDeclaradaException [protected, pure virtual]

Método 'template' que será implementado nas subclasses para checar o tipo do head terminal

Implemented in plp.expressions2.expression.ExpAnd, plp.expressions2.expression.ExpConcat, plp.expressions2.expression.ExpEquals, plp.expressions2.expression.ExpOr, plp.expressions2.expression.ExpSoma, and plp.expressions2.expression.ExpSub.

Expressao plp.expressions2.expression.ExpBinaria.getDir ( )

Retorna a expressao da direita

Returns:: a expressao da direita

Definition at line 55 of file ExpBinaria.java.

References plp.expressions2.expression.ExpBinaria.dir.

Referenced by plp.expressions2.expression.ExpSub.avaliar(), plp.expressions2.expression.ExpSoma.avaliar(), plp.expressions2.expression.ExpOr.avaliar(), plp.expressions2.expression.ExpEquals.avaliar(), plp.expressions2.expression.ExpConcat.avaliar(), plp.expressions2.expression.ExpAnd.avaliar(), plp.expressions2.expression.ExpBinaria.checaTipo(), plp.expressions2.expression.ExpSub.checaTipoElementoTerminal(), plp.expressions2.expression.ExpSoma.checaTipoElementoTerminal(), plp.expressions2.expression.ExpOr.checaTipoElementoTerminal(), plp.expressions2.expression.ExpEquals.checaTipoElementoTerminal(), plp.expressions2.expression.ExpConcat.checaTipoElementoTerminal(), and plp.expressions2.expression.ExpAnd.checaTipoElementoTerminal().

Expressao plp.expressions2.expression.ExpBinaria.getEsq ( )

Retorna a expressao da esquerda

Returns:: a expressao da esquerda

Definition at line 46 of file ExpBinaria.java.

References plp.expressions2.expression.ExpBinaria.esq.

Referenced by plp.expressions2.expression.ExpSub.avaliar(), plp.expressions2.expression.ExpSoma.avaliar(), plp.expressions2.expression.ExpOr.avaliar(), plp.expressions2.expression.ExpEquals.avaliar(), plp.expressions2.expression.ExpConcat.avaliar(), plp.expressions2.expression.ExpAnd.avaliar(), plp.expressions2.expression.ExpBinaria.checaTipo(), plp.expressions2.expression.ExpSub.checaTipoElementoTerminal(), plp.expressions2.expression.ExpSoma.checaTipoElementoTerminal(), plp.expressions2.expression.ExpOr.checaTipoElementoTerminal(), plp.expressions2.expression.ExpEquals.checaTipoElementoTerminal(), plp.expressions2.expression.ExpConcat.checaTipoElementoTerminal(), and plp.expressions2.expression.ExpAnd.checaTipoElementoTerminal().

String plp.expressions2.expression.ExpBinaria.getOperador ( )

Retorna o operador desta expressao binaria

Returns:: o operador desta expressao binaria

Definition at line 64 of file ExpBinaria.java.

References plp.expressions2.expression.ExpBinaria.operador.

String plp.expressions2.expression.ExpBinaria.toString ( )

Retorna uma representacao String desta expressao. Util para depuracao.

Returns:: uma representacao String desta expressao.

Definition at line 73 of file ExpBinaria.java.

References plp.expressions2.expression.ExpBinaria.dir, plp.expressions2.expression.ExpBinaria.esq, and plp.expressions2.expression.ExpBinaria.operador.

Member Data Documentation

Expressao plp.expressions2.expression.ExpBinaria.dir [private]

Expressao da direita

Definition at line 21 of file ExpBinaria.java.

Referenced by plp.expressions2.expression.ExpAnd.ExpAnd(), plp.expressions2.expression.ExpBinaria.ExpBinaria(), plp.expressions2.expression.ExpConcat.ExpConcat(), plp.expressions2.expression.ExpEquals.ExpEquals(), plp.expressions2.expression.ExpOr.ExpOr(), plp.expressions2.expression.ExpSoma.ExpSoma(), plp.expressions2.expression.ExpSub.ExpSub(), plp.expressions2.expression.ExpBinaria.getDir(), and plp.expressions2.expression.ExpBinaria.toString().

Expressao plp.expressions2.expression.ExpBinaria.esq [private]

Expressao da esquerda

Definition at line 16 of file ExpBinaria.java.

Referenced by plp.expressions2.expression.ExpAnd.ExpAnd(), plp.expressions2.expression.ExpBinaria.ExpBinaria(), plp.expressions2.expression.ExpConcat.ExpConcat(), plp.expressions2.expression.ExpEquals.ExpEquals(), plp.expressions2.expression.ExpOr.ExpOr(), plp.expressions2.expression.ExpSoma.ExpSoma(), plp.expressions2.expression.ExpSub.ExpSub(), plp.expressions2.expression.ExpBinaria.getEsq(), and plp.expressions2.expression.ExpBinaria.toString().

String plp.expressions2.expression.ExpBinaria.operador [private]

Operador desta expressao binaria

Definition at line 26 of file ExpBinaria.java.

Referenced by plp.expressions2.expression.ExpBinaria.getOperador(), and plp.expressions2.expression.ExpBinaria.toString().

The documentation for this class was generated from the following file:

C:/temp/PLP/eclipse/workspace/ProjetoJava1.5_2006.1/src/plp/expressions2/expression/ExpBinaria.java

Generated on Tue Sep 12 21:36:15 2006 for PLP by

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