saveConeAsSpice.tcl

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###############################################################################
# Copyright (c) 2009-2024 by Altair Engineering, Inc.
# All rights reserved.
#
# Altair Engineering, Inc. makes this software available as part of the Vision
# tool platform.  As long as you are a licensee of the Vision tool platform
# you may make copies of the software and modify it to be used within the
# Vision tool platform, but you must include all of this notice on any copy.
# Redistribution without written permission to any third party, with or
# without modification, is not permitted.
# Altair Engineering, Inc. does not warrant that this software is error free
# or fit for any purpose.  Altair Engineering, Inc. disclaims any liability for
# all claims, expenses, losses, damages and costs any user may incur as a
# result of using, copying or modifying the software.
# =============================================================================
#   @userware
#       Save Cone as Spice
#   @section
#       Miscellaneous Userware Examples
#   @description
#       Save Cone as Spice uses spos information at the instances loaded to
#       the Cone window to do a "Copy and Paste" like Spice export. Works only
#       for flat netlist.
#   @files
#       saveConeAsSpice.tcl
#   @example
#       demo/spice/gl85.sp
#   @cmdline
#       -userware @files[0]
#       -hspice @example[0]
#   @tag
#       gui spice
###############################################################################


# -----------------------------------------------------------------------------
# _saveConeAsSpice - Save cone as Spice uses spos information at the instances
#                    loaded to the Cone window to do a "Copy and Past" like
#                    Spice export.
#                    This works only for flat netlist.
# -----------------------------------------------------------------------------
#
proc _saveConeAsSpice {filename} {
    set db       [gui database get]
    set contents [gui cone contents -type "inst"]
    set out [open $filename w]

    array set models {}
    foreach oid $contents {
        set primitive [$db oid createModBased [$db primitiveOf $oid]]
        set models($primitive) 1
        _write $db $out $oid
    }
    foreach primitive [array names models] {
        _write $db $out $primitive
    }
    close $out
}


# -----------------------------------------------------------------------------
# _write -
# -----------------------------------------------------------------------------
#
proc _write {db out oid} {
    set instString ""
    $db spos foreach $oid fname begin end {
        set in [open $fname r]
        seek $in $begin
        append instString [read $in [expr {$end - $begin}]]
        close $in
    }
    puts $out $instString
}