RE: [sv-bc] Query regarding built-in package

I'm not sure what your question is, but the data_type BNF includes
| [ class_scope | package_scope ] type_identifier { packed_dimension }

and there is also this production:

ps_or_hierarchical_tf_identifier ::= [ package_scope ] tf_identifier |
hierarchical_tf_identifier

package_scope includes "std::".

Does this help?

Shalom


________________________________

	From: owner-sv-bc@server.eda.org
[mailto:owner-sv-bc@server.eda.org] On Behalf Of Arnab Banerjee
	Sent: Monday, April 07, 2008 5:08 PM
	To: sv-bc@server.eda.org
	Subject: [sv-bc] Query regarding built-in package
	
	


	Hi,
	
	In LRM section 8.10.1, there is a statement like
	
	"declarations in the built-in package are directly available in
any other scope (like system tasks and functions)
	unless they are redefined by user code.
	
	built_in_data_type ::= [ std:: ] data_type_identifier
	built_in_function_call ::= [ std:: ] built_in_identifier"
	
	
	I can't really map the verse with the BNF given. The classes
inside can std can be written again in source file.
	In that case $std::  can be used to disambiguate. But is it
possible to use syntax like above? If yes, what does 
	it semantically mean?
	
	
	Thanks
	Arnab
	
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