67 lines
1.5 KiB
Awk
Executable File
67 lines
1.5 KiB
Awk
Executable File
#!/usr/bin/awk -f
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# File: preprocess.awk
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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) 1998-2026 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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#
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function expand_file(file, err)
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{
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while ((err=getline < file) > 0)
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{
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if($1 ~ /^.?include$/) {
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expand_file($2)
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}
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else process_line()
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}
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if(err) {
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print "file: " file " not found." > "/dev/stderr"
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exit
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}
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close(file)
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}
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{
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if($1 ~ /^.?include$/)
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{
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expand_file($2)
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}
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else process_line()
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}
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function process_line( a)
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{
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if($0 ~ /^[ \t]*;/) { return }
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sub(/;/," ;",$0)
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if($3 ~/^%/){
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a=$0
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sub(/^[^%]*%/,"",a)
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sub(/%[^%]*$/,"",a)
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gsub(/ /,"_", a)
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sub(/%[^%]*%/, "%" a "%")
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}
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print
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}
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