/usr/share/gEDA/scheme/gnet-pcbfwd.scm is in pcb-common 20140316-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 | ;;; gEDA - GPL Electronic Design Automation
;;; gnetlist - gEDA Netlist
;;; Copyright (C) 1998-2008 Ales Hvezda
;;; Copyright (C) 1998-2008 gEDA Contributors (see ChangeLog for details)
;;;
;;; This program is free software; you can redistribute it and/or modify
;;; it under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 2 of the License, or
;;; (at your option) any later version.
;;;
;;; This program is distributed in the hope that it will be useful,
;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with this program; if not, write to the Free Software
;;; Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
;; PCB forward annotation script
(use-modules (ice-9 regex))
(use-modules (ice-9 format))
;; This is a list of attributes which are propogated to the pcb
;; elements. Note that refdes, value, and footprint need not be
;; listed here.
(define pcbfwd:element-attrs
'("device"
"manufacturer"
"manufacturer_part_number"
"vendor"
"vendor_part_number"
))
(define (pcbfwd:quote-string s)
(string-append "\""
(regexp-substitute/global #f "\"" s 'pre "\\\"" 'post)
"\"")
)
(define (pcbfwd:pinfmt pin)
(format #f "~a-~a" (car pin) (car (cdr pin)))
)
(define (pcbfwd:each-pin net pins port)
(if (not (null? pins))
(let ((pin (car pins)))
(format port "Netlist(Add,~a,~a)~%" net (pcbfwd:pinfmt pin))
(pcbfwd:each-pin net (cdr pins) port))))
(define (pcbfwd:each-net netnames port)
(if (not (null? netnames))
(let ((netname (car netnames)))
(pcbfwd:each-pin netname (gnetlist:get-all-connections netname) port)
(pcbfwd:each-net (cdr netnames) port))))
(define (pcbfwd:each-attr refdes attrs port)
(if (not (null? attrs))
(let ((attr (car attrs)))
(format port "ElementSetAttr(~a,~a,~a)~%"
(pcbfwd:quote-string refdes)
(pcbfwd:quote-string attr)
(pcbfwd:quote-string (gnetlist:get-package-attribute refdes attr)))
(pcbfwd:each-attr refdes (cdr attrs) port))))
;; write out the pins for a particular component
(define pcbfwd:component_pins
(lambda (port package pins)
(if (and (not (null? package)) (not (null? pins)))
(begin
(let (
(pin (car pins))
(label #f)
(pinnum #f)
)
(display "ChangePinName(" port)
(display (pcbfwd:quote-string package) port)
(display ", " port)
(set! pinnum (gnetlist:get-attribute-by-pinnumber package pin "pinnumber"))
(display pinnum port)
(display ", " port)
(set! label (gnetlist:get-attribute-by-pinnumber package pin "pinlabel"))
(if (string=? label "unknown")
(set! label pinnum)
)
(display (pcbfwd:quote-string label) port)
(display ")\n" port)
)
(pcbfwd:component_pins port package (cdr pins))
)
)
)
)
(define (pcbfwd:each-element elements port)
(if (not (null? elements))
(let* ((refdes (car elements))
(value (gnetlist:get-package-attribute refdes "value"))
(footprint (gnetlist:get-package-attribute refdes "footprint"))
)
(format port "ElementList(Need,~a,~a,~a)~%"
(pcbfwd:quote-string refdes)
(pcbfwd:quote-string footprint)
(pcbfwd:quote-string value))
(pcbfwd:each-attr refdes pcbfwd:element-attrs port)
(pcbfwd:component_pins port refdes (gnetlist:get-pins refdes))
(pcbfwd:each-element (cdr elements) port))))
(define (pcbfwd output-filename)
(let ((port (open-output-file output-filename)))
(format port "Netlist(Freeze)\n")
(format port "Netlist(Clear)\n")
(pcbfwd:each-net (gnetlist:get-all-unique-nets "dummy") port)
(format port "Netlist(Sort)\n")
(format port "Netlist(Thaw)\n")
(format port "ElementList(Start)\n")
(pcbfwd:each-element packages port)
(format port "ElementList(Done)\n")
(close-output-port port)))
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