fixSkillNamespace.tcl

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###############################################################################
# Copyright (c) 2006-2024 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
#       Fix Colliding Names
#   @section
#       Modify the Loaded Database
#   @description
#       Adjust instance and net names to satisfy the Cadence Virtuoso namespace
#       rules.
#       - Instances cannot contain a dot character.
#       - Scalar net names and netbus names share the same namespace.
#   @files
#       fixSkillNamespace.tcl
#   @example
#       demo/spice/buf.sp
#   @cmdline
#       -cdl @example[0]
#       -userware @files[0]
#   @tag
#       skill export
###############################################################################


# -----------------------------------------------------------------------------
# run_fixSkillNamespace - This is the main function which processes
#                         the database and fixes names.
# -----------------------------------------------------------------------------
#
proc run_fixSkillNamespace {db} {
    ##
    # Return if the database is empty.
    #
    if {$db == {}} {
        return
    }

    ##
    # Prefix used to resolve name conflicts.
    #
    set charPrefix "_"

    ##
    # Loop over all modules in the database
    # and collect all basenames.
    # Rename "." by "_" in inst-names.
    #
    set pattern {^(.*)[\<\(\[][0-9]*[\>\)\]]$}
    array unset basenames
    $db foreach module module {
        $db foreach inst $module inst {
            set name [$db oid oname $inst]
            set newname [string map {. _} $name]
            if {$name ne $newname} {
                ##
                # try new name until it does not already exists.
                #
                set test [$db search inst $module $newname]
                while {![$db oid isnull $test]} {
                    set newname "${charPrefix}${newname}"
                    set test [$db search inst $module $newname]
                }
                zmessage print INF "rename conflicting '$name' to '$newname'"
                $db oper rename -updateOIDs $inst $newname
                set name $newname
            }
            set count [regexp $pattern $name match basename]
            if {$count != 0} {
                set basenames($basename) 1
            }
        }
        $db foreach net $module net {
            set name [$db oid oname $net]
            set count [regexp $pattern $name match basename]
            if {$count != 0} {
                set basenames($basename) 1
            }
        }
    }

    ##
    # Loop over all modules in the database
    # and rename existing scalar net names if a matching basename exists.
    #
    $db foreach module module {
        foreach basename [array names basenames] {
            set scalar [$db search net $module $basename]
            if {![$db oid isnull $scalar]} {
                ##
                # try new name until it does not already exists.
                #
                set test $scalar
                set newname $basename
                while {![$db oid isnull $test]} {
                    set newname "${charPrefix}${newname}"
                    set test [$db search net $module $newname]
                }

                ##
                # rename
                #
                zmessage print INF "rename conflicting '$scalar' to '$newname'"
                $db oper rename -updateOIDs $scalar $newname
            }
        }
    }

    ##
    # Clear all procedures registered with registerDataBaseChanged to
    # avoid calling this function again, because we need to call
    # gui database changed.
    #
    gui database removeChangedCallback run_fixSkillNamespace

    ##
    # Inform the GUI that the database has changed.
    #
    gui database changed $db
}


##
# Use gui database runOrRegisterChangedCallback to immediately run
# run_fixSkillNamespace
# if we have a database, or otherwise register the proc to be executed after
# the database is available.
#
gui database runOrRegisterChangedCallback run_fixSkillNamespace