exportMangled/exportMangled.tcl

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###############################################################################
# Copyright (c) 2021-2024 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.
# =============================================================================
#   @plugin
#       Export Mangled/Obfuscated Netlist
#   @namespace
#       ExportMangled
#   @section
#       Miscellaneous Userware Examples
#   @description
#       Export a mangled/obfuscated version (stripped attributes, replaced
#       names) of the currently displayed module or the whole database.
#   @files
#       exportMangled/exportMangled.tcl
#   @tag
#       gui
###############################################################################


namespace eval ExportMangled {
}


# =============================================================================
# Init - Initialize the plugin.
# =============================================================================
#
proc ::ExportMangled::Init {} {
    gui menu command {"Export Mangled" "Module in Schem Window"} \
        {::ExportMangled::_schem}
    gui menu command {"Export Mangled" "Full Database"} \
        {::ExportMangled::_fullDB}
}


# =============================================================================
# Finit - Finalize the plugin.
# =============================================================================
#
proc ::ExportMangled::Finit {} {
    ##
    # Undo modifications of the GUI.
    #
    gui menu removeEntry {"Export Mangled"}
}


# -----------------------------------------------------------------------------
# _schem -
# -----------------------------------------------------------------------------
#
proc ::ExportMangled::_schem {} {
    set db [gui database get]
    if {$db == {}} {
        return
    }

    set file_name [tk_getSaveFile \
        -parent . \
        -title "Export Mangled (Full Database)" \
        -filetypes {{{Tcl files} {.tcl}} {{All Files} {*}}} \
    ]
    if {$file_name eq ""} {
        return
    }

    set schem_module [gui schem getCurrentModule]
    if {$schem_module == {}} {
        return
    }

    $db flag -db clear target
    $db flag $schem_module set target
    $db foreach port $schem_module oid {
        $db flag $oid set target
    }
    $db foreach portBus $schem_module oid {
        $db flag $oid set target
    }
    $db foreach inst $schem_module inst {
        $db flag $inst set target
        set inst_module [$db oid down $inst]
        $db foreach pin $inst pin {
            $db flag $pin set target
        }
        $db foreach pinBus $inst pinBus {
            $db flag $pinBus set target
        }
        if {[$db flag $inst_module is target]} {
            continue
        }
        $db flag $inst_module set target
        $db foreach port $inst_module port {
            $db flag $port set target
        }
        $db foreach portBus $inst_module portBus {
            $db flag $portBus set target
        }
    }
    $db foreach net $schem_module oid {
        $db flag $oid set target
    }
    $db foreach netBus $schem_module oid {
        $db flag $oid set target
    }

    set cloned_db [zdb new]
    $db cloneDB \
        -into $cloned_db \
        -keepcell target \
        -keepinst target \
        -keepnet target \
        -keepport target \
        -keeppin target \
        -nospos
    $cloned_db flag -db clear target
    $db flag -db clear target

    $cloned_db write tcl -mangle -noattr -nospos $file_name

    $cloned_db close
}


# -----------------------------------------------------------------------------
# _fullDB -
# -----------------------------------------------------------------------------
#
proc ::ExportMangled::_fullDB {} {
    set db [gui database get]
    if {$db == {}} {
        return
    }

    set file_name [tk_getSaveFile \
        -parent . \
        -title "Export Mangled (Full Database)" \
        -filetypes {{{Tcl files} {.tcl}} {{All Files} {*}}} \
    ]
    if {$file_name eq ""} {
        return
    }

    $db write tcl -mangle -noattr -nospos $file_name
}


# =============================================================================
# Call the initialization procedure.
# =============================================================================
#
::ExportMangled::Init