expression_eq_real Class Reference

#include <real.h>

Inheritance diagram for expression_eq_real:

List of all members.

Public Member Functions
virtual	~expression_eq_real ()
	expression_eq_real (const expression::pointer &lhs, const expression::pointer &rhs, translator_compile *cntxt)
Protected Member Functions
void	post_order_traversal (int pprec)
void	logical_traversal (int pprec, label::pointer &true_branch, label::pointer &false_branch, bool fall_through_preference)
expression::pointer	optimize () const
Private Member Functions
	expression_eq_real ()
	expression_eq_real (const expression_eq_real &)
expression_eq_real &	operator= (const expression_eq_real &)
Private Attributes
translator_compile &	code

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Detailed Description

The expression_eq_real class is used to represent code generation for real equal to expressions.

Definition at line 32 of file real.h.

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Constructor & Destructor Documentation

virtual expression_eq_real::~expression_eq_real

(

)

[virtual]

The destructor.

expression_eq_real::expression_eq_real	(	const expression::pointer &	lhs,
		const expression::pointer &	rhs,
		translator_compile *	cntxt
	)

The constructor.

expression_eq_real::expression_eq_real

(

)

[private]

The default constructor. Do not use.

expression_eq_real::expression_eq_real

(

const expression_eq_real &

)

[private]

The copy constructor. Do not use.

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Member Function Documentation

void expression_eq_real::post_order_traversal

(

int

pprec

)

[protected, virtual]

The post_order_traversal method is used to perform actions required after the right hand expression has been traversed.

Parameters:

pprec

The parent expressions precedence. Not much use to code generators, but essential for pretty printers to get the parentheses correct.

Reimplemented from expression_eq.

void expression_eq_real::logical_traversal	(	int	pprec,
		label::pointer &	true_branch,
		label::pointer &	false_branch,
		bool	fall_through_preference
	)			[protected]

expression::pointer expression_eq_real::optimize

(

)

const [protected, virtual]

The optimize method may be used to evaluate constant expressions, or substitute more efficient expressions.

This is intended to be called by the translator:: expression_statement method, or similar, where the expression is in its final form, and will get no deeper. In other words, when all available information has been provided.

There is no default implementation, even though most optimize implementations return self(), because this gives the compiler no opportunity to remind the authors of new classes that they have forgotten something.

Returns:

If the expression tree is not constant, or it is already as reduced as it can get, it returns itself. Otherwise, it returns a new expression node.

Implements expression.

expression_eq_real& expression_eq_real::operator=

(

const expression_eq_real &

)

[private]

The assignment operator. Do not use.

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Member Data Documentation

translator_compile& expression_eq_real::code [private]

The code instance variable is used to remember where to send our generated code.

Definition at line 63 of file real.h.

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

• /home/archives/ucsd-psystem-xc/branch.0/branch.0/delta27403.167/ucsdpsys_compile/expression/eq/real.h

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