76 lines
2.4 KiB
Tcl
76 lines
2.4 KiB
Tcl
#
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# File: traversal.tcl
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#
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# This file is part of XSCHEM,
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# a schematic capture and Spice/Vhdl/Verilog netlisting tool for circuit
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# simulation.
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# Copyright (C) 1998-2023 Stefan Frederik Schippers
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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# This script traverses the hierarchy and prints all instances in design.
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proc traversal {file} {
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if { $file eq {} || [file exists $file] } {
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puts stderr "empty or existing file..."
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return
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}
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xschem unselect_all
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xschem set no_draw 1 ;# disable screen update
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xschem set no_undo 1 ;# disable undo
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set fd [open $file "w"]
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hier_traversal $fd 0
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xschem set no_draw 0
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xschem set no_undo 0
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close $fd
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}
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# return "$n * $indent" spaces
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proc spaces {n} {
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set indent 4
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set n [expr {$n * $indent}]
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return [format %${n}s {}]
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}
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# recursive procedure
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proc hier_traversal {fd {level 0}} {
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set schpath [xschem get sch_path]
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set instances [xschem get instances]
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set current_level [xschem get currsch]
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for {set i 0} { $i < $instances} { incr i} {
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set instname [xschem getprop instance $i name]
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set symbol [xschem getprop instance $i cell::name]
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set type [xschem getprop symbol $symbol type]
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puts $fd "[spaces $level]$schpath$instname symbol: $symbol, type: $type"
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if {$type eq {subcircuit}} {
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set ninst [lindex [split [xschem expandlabel $instname] { }] 1]
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for {set n 1} {$n <= $ninst} { incr n} {
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xschem select instance $i
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# descending ninst times is extremely inefficient --FIXME--
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xschem descend $n
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# ensure previous descend was successful
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if {[xschem get currsch] == $current_level + 1} {
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incr level
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hier_traversal $fd $level
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xschem go_back
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incr level -1
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}
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}
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}
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}
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}
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