gEDA-bug: [ geda-Patches-1758382 ] Allow the definition of spice syntax in symbols.

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Patches item #1758382, was opened at 2007-07-22 09:20
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Category: None
Group: None
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Sorl (sorl)
Assigned to: Nobody/Anonymous (nobody)
Summary: Allow the definition of spice syntax in symbols.

Initial Comment:
This feature is designed to make it possible to design (relative) simple, probing and analysis definitions as a symbol.

The key idea behind this is to define a attribute (spice-syntax), set its value to a string to interpret and let the netlister replace tokens like [netname] with the value of the netname attribute.
;; [ATTRIBUTE=standard]  attribute is a attribute name that is equal to
;;                       the ATTRIBUTE name in Netlist
;;                       if the attribute is not defined the standard value is used insted.
;;                       if the attribute is refdes standard is the prefix.  
;;                       attributes may not begin with '-', '/' or '+' 
;;
;;
;; [-PINNUMBER]          the netname connected to the pin with an equal PINNUMBER
;;                       is written to the outputfile
;;
;;
;; [+FLAG=Flagname]      if a Flag is set the Flagname String is given to the spice File
;;                       a Flag is set if the Value is one of "#t" "1" "on" "true" "yes"
;;                       every other value of Flag is ignored 
;;
;; <optional-Block>      Optional Blocks are only written if they can be solved 
;;                       that means if all attributes are existing in the package 
;;                       or have a standard value
;;
;; every thing else      everything else is simply copyed to the outputfile


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