spice netlist postprocessing will not break ".include " lines as ngspice does not like these. make_sch_from_spice.awk adapted to import sky130 standard cells, spice netlister will print extra nodes (inherited connections or pins-by-attribute) in the order specified by the format string, instead of dumping the "extra" attribute after all "real" pins, this allows to mix attribute pins with the other pins.
This commit is contained in:
Stefan Schippers
parent
65b7e318a9
commit
1536e77b62
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@ -29,6 +29,10 @@ BEGIN{ quote=0 }
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pos=0
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if(NF==0) { print ""; next }
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first = substr($0,1,1)
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# dont break .include lines as ngspice chokes on these.
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if(tolower($1) ~ /include/) include = 1
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else include = 0
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# 20151203 faster executionif no {}' present
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if($0 ~/[{}']/ || quote) {
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l = length($0)
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@ -36,7 +40,7 @@ BEGIN{ quote=0 }
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pos++
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c = substr($0,i,1)
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if(c ~/[{}']/) quote=!quote
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if(pos> 100 && !quote && (c ~/[ \t]/)) {
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if(!include && pos> 100 && !quote && (c ~/[ \t]/)) {
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if(first=="*")
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c = "\n*+" c
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else
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@ -50,7 +54,7 @@ BEGIN{ quote=0 }
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split($0, a, /[^ \t]+/)
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for(i=1;i<=NF;i++) {
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pos += length($i)+length(a[i])
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if(pos>100) {
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if(!include && pos>100) {
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if(first=="*") {
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printf "%s", "\n*+"
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} else {
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@ -30,9 +30,9 @@ BEGIN{
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# list of cmos_t9 symbol pin coordinates, generated with build_cmoslib.awk
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while ( "ls $HOME/xschem/library/TECHLIB/*.sym"|getline sym )
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while ( "ls $HOME/.xschem/xschem_library/sky130_symbols/*.sym"|getline sym )
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{
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insert_symbol(sym, "TECHLIB")
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insert_symbol(sym, "sky130_symbols")
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}
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@ -42,13 +42,17 @@ BEGIN{
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# }
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$0=""
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inherited_pin["VGND"]=1
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inherited_pin["VPWR"]=1
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inherited_pin["VNB"]=1
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inherited_pin["VPB"]=1
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skip_symbol_prefix= "sky130_fd_sc_hd__"
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# sym_type = "subcircuit"
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sym_type = "primitive" # do not use schematics although they will be generated
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all_signals=""
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$0=""
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########################## JOIN ##########################
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netlist_lines=0
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@ -123,22 +127,40 @@ function insert_symbol(sym, lib, n,cellname, name, dir, tmp)
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}
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function process_subckts( i,name)
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function process_subckts( j, i,name)
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{
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if(skip==1 && toupper($1) ==".ENDS") { skip=0; return }
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if(skip==1) return
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if(toupper($1) ==".SUBCKT") {
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curr_subckt=$2
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sub(skip_symbol_prefix, "", curr_subckt)
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pin_ar[curr_subckt, "name"] = $2
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print " process_subckt(): curr_subckt=|" curr_subckt "|"
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if(curr_subckt in cell) {print " process_subckt(); skipping " curr_subckt ; skip=1; return }
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subckt[curr_subckt]=1
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template=0
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j = 1
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for(i=3;i<=NF;i++) {
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if($i~ /=/) { template=i; break}
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pin_ar[curr_subckt,i-2]=$i
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if(!($i in inherited_pin)) {
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pin_ar[curr_subckt,j]=$i
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pin_ar[curr_subckt,"format"]=pin_ar[curr_subckt,"format"] " @@" $i
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j++
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} else {
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if(pin_ar[curr_subckt,"extra"])
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pin_ar[curr_subckt,"extra"] = pin_ar[curr_subckt,"extra"] " " $i
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else
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pin_ar[curr_subckt,"extra"] = $i
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pin_ar[curr_subckt,"template"] = pin_ar[curr_subckt,"template"] " " $i "=" $i
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pin_ar[curr_subckt,"format"]=pin_ar[curr_subckt,"format"] " @" $i
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}
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}
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pin_ar[curr_subckt,"n"]=i-3
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pin_ar[curr_subckt,"template"] = get_template(template)
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pin_ar[curr_subckt,"n"]=j-1
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if(skip_symbol_prefix) pin_ar[curr_subckt,"template"] = pin_ar[curr_subckt,"template"] " prefix=" skip_symbol_prefix
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get_template(template)
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if(skip_symbol_prefix) pin_ar[curr_subckt,"extra"] = pin_ar[curr_subckt,"extra"] " prefix"
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print "\n\n\n process_subckt() : " curr_subckt "--> "
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for(i=1; i<= pin_ar[curr_subckt,"n"]; i++) printf "%s ", pin_ar[curr_subckt,i]; printf "\n"
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}
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@ -164,7 +186,7 @@ function get_template(t, templ, i)
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if(t) for(i=t;i<=NF;i++) {
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templ = templ $i " "
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}
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return templ
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pin_ar[curr_subckt,"template"] = pin_ar[curr_subckt,"template"] " " templ
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}
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@ -176,6 +198,7 @@ function process( i,name,param)
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if(skip==1) return
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if(toupper($1) ==".SUBCKT") {
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curr_subckt=$2
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sub(skip_symbol_prefix, "", curr_subckt)
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if(curr_subckt in cell) {print "process(): skipping " curr_subckt ; skip=1; return }
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space=20
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width=150
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@ -206,7 +229,9 @@ function process( i,name,param)
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print "\n\n"
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print_sch(curr_subckt, dir_ret, pin_ret)
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print_sym(curr_subckt, pin_ar[curr_subckt,"template"], dir_ret, pin_ret)
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print_sym(curr_subckt, pin_ar[curr_subckt,"template"], \
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pin_ar[curr_subckt,"format"], pin_ar[curr_subckt,"name"], \
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sym_type, pin_ar[curr_subckt,"extra"], dir_ret, pin_ret)
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print "----------------------------------------------------------"
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@ -640,7 +665,7 @@ function print_signals( inst_name, component_name, param, pin,dir,net,
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#------------------------------
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function print_sym(sym, template, dir, pin,
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function print_sym(sym, template, format, subckt_name, sym_type, extra, dir, pin,
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size,space,width,lwidth,textdist,labsize,titlesize,
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i,name,text_voffset,lab_voffset,ip,op,n_pin ,m,x,y,n,
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iii,ooo)
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@ -667,13 +692,23 @@ function print_sym(sym, template, dir, pin,
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print "start print symbol: " sym
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print "v {xschem version=2.9.8 file_version=1.2}"
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print "K {type=" sym_type > sym
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# print "format=\"@name @pinlist @symname " format_translate(template) "\"" > sym
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iii = format_translate(template, extra)
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if(iii) iii = " " iii
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print "G {type=subcircuit" > sym
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print "format=\"@name @pinlist @symname " format_translate(template) "\"" > sym
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print "template=\"name=x1 " template "\"}" > sym
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print "T {@symname}" ,-length(name)/2*titlesize*30, -text_voffset*titlesize,0,0,
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titlesize, titlesize, "{}" >sym
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# since awk strings use backslash escapes and sub also uses backslash escapes (example for \& substitution)
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# there are 2 levels of escape substitutions, we need \\\\ to generate one \.
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# in the xschem file \\\\ is reduced to \\ in the format string and finally format contains one \
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if(skip_symbol_prefix) sub(skip_symbol_prefix, "@prefix\\\\\\\\\\\\\\\\", subckt_name)
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print "format=\"@name" format " " subckt_name iii "\"" > sym
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print "template=\"name=x1" template "\"" > sym
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print "extra=\"" extra "\"}" > sym
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# print "T {@symname}" ,-length(name)/2*titlesize*30, -text_voffset*titlesize,0,0,
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# titlesize, titlesize, "{}" >sym
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print "T {@symname}" ,0, -text_voffset*titlesize,0,0,
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titlesize, titlesize, "{hcenter=true}" >sym
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n_pin=pin["n"]
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ip=op=0
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@ -742,7 +777,7 @@ function abs(a)
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return a>0 ? a: -a
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}
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function format_translate(s, c,quote,str,n,i,ss,sss)
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function format_translate(s, extra, n_extra, extra_arr, extra_hash, c,quote,str,n,i,ss,sss)
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{
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# 20140321
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@ -758,17 +793,23 @@ function format_translate(s, c,quote,str,n,i,ss,sss)
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# /20140321
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str=""
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n_extra = split(extra, extra_arr)
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for(i = 1; i <= n_extra; i++) extra_hash[ extra_arr[i] ] = 1
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n=split(s,ss)
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for(i=1;i<=n;i++) {
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gsub(SUBSEP," ", ss[i])
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print "subckt params: " ss[i]
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if(ss[i] ~ /[^=]+=[^=]+/) {
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split(ss[i],sss,"=")
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ss[i] = sss[1] "=@" sss[1]
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if(!(sss[1] in extra_hash)) ss[i] = sss[1] "=@" sss[1]
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else ss[i] = ""
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}
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str = str ss[i]
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if(i<n) str=str " "
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if(i<n && ss[i] ) str=str " "
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}
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delete extra_hash
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return str
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}
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@ -321,8 +321,11 @@ void spice_block_netlist(FILE *fd, int i)
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print_spice_subckt(fd, i);
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my_strdup(387, &extra, get_tok_value(xctx->sym[i].prop_ptr,"extra",0) );
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fprintf(fd, "%s ", extra ? extra : "" );
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/* this is now done in print_spice_subckt */
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/*
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* fprintf(fd, "%s ", extra ? extra : "" );
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*/
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/* 20081206 new get_sym_template does not return token=value pairs where token listed in extra */
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fprintf(fd, "%s", get_sym_template(xctx->sym[i].templ, extra));
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my_free(950, &extra);
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@ -1394,6 +1394,12 @@ void print_spice_subckt(FILE *fd, int symbol)
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}
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}
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}
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/* this will print the other @parameters, usually "extra" nodes so they will be in the order
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* specified by the format string. The 'extra' attribute is no more used to print extra nodes
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* in spice_block_netlist(). */
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else if(token[0] == '@') { /* given previous if() conditions not followed by @ or # */
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fprintf(fd, "%s ", token + 1);
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}
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if(c!='$' && c!='@' && c!='\0' ) fputc(c,fd);
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if(c == '@' || c =='$') s--;
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state=XBEGIN;
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@ -1646,7 +1652,9 @@ void print_spice_element(FILE *fd, int inst)
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/* do one level of substitutions to resolve @params and equations*/
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if(result && strstr(result, "tcleval(")== result) {
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dbg(1, "print_spice_element(): before translate()result=%s\n", result);
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my_strdup(22, &result, translate(inst, result));
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dbg(1, "print_spice_element(): after translate()result=%s\n", result);
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}
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fprintf(fd, "%s", result);
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@ -1865,7 +1865,8 @@ proc tclpropeval {s instname symname} {
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# this hook is called in translate() if whole string is contained in a tcleval(...) construct
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proc tclpropeval2 {s} {
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# puts "tclpropeval2: $s $instname $symname"
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global tcl_debug
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if {$tcl_debug <=-1} {puts "tclpropeval2: $s"}
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set path [string range [xschem get sch_path] 1 end]
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regsub {^tcleval\(} $s {} s
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regsub {\)([ \n\t]*)$} $s {\1} s
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@ -125,8 +125,8 @@ C {lab_pin.sym} 340 -970 0 1 {name=p23 lab=E2}
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C {lab_pin.sym} 560 -970 0 1 {name=p28 lab=E6}
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C {lab_pin.sym} 840 -1000 0 0 {name=p29 lab=E4}
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C {lab_pin.sym} 180 -1120 0 0 {name=p34 lab=VBOOST}
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C {ammeter.sym} 1110 -540 0 0 {name=vd net_name=true current=0.1944}
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C {ammeter.sym} 1110 -640 0 0 {name=vu net_name=true current=0.216}
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C {ammeter.sym} 1110 -540 0 0 {name=vd net_name=true current=0.2069}
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C {ammeter.sym} 1110 -640 0 0 {name=vu net_name=true current=0.2005}
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C {lab_pin.sym} 60 -1180 0 0 {name=p27 lab=VPP}
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C {pnp.sym} 200 -950 0 1 {name=Q1 model=q2n2907p area=1 net_name=true}
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C {pnp.sym} 360 -790 0 1 {name=Q2 model=q2n2907p area=1 net_name=true}
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@ -209,18 +209,18 @@ C {lab_pin.sym} 180 -690 0 0 {name=p8 lab=C7}
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C {lab_pin.sym} 340 -710 0 1 {name=p31 lab=C2}
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C {title.sym} 160 -30 0 0 {name=l2 author="Stefan Schippers"}
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C {lab_pin.sym} 860 -700 0 0 {name=p32 lab=SA}
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C {ammeter.sym} 1110 -350 0 0 {name=v0 net_name=true current=0.2138}
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C {ammeter.sym} 1110 -350 0 0 {name=v0 net_name=true current=0.2263}
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C {lab_pin.sym} 860 -380 0 0 {name=p35 lab=SB}
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C {ammeter.sym} 560 -890 0 0 {name=v1 net_name=true current=0.01954}
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C {ammeter.sym} 340 -890 0 0 {name=v2 net_name=true current=0.01944}
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C {ammeter.sym} 260 -310 0 0 {name=v3 net_name=true current=0.03919}
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C {ammeter.sym} 700 -440 3 0 {name=v4 net_name=true current=0.01939}
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C {ammeter.sym} 690 -680 0 0 {name=v5 net_name=true current=0.006273}
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C {ammeter.sym} 180 -870 0 1 {name=v6 net_name=true current=0.01952}
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C {ammeter.sym} 840 -890 0 0 {name=v7 net_name=true current=0.01947}
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C {spice_probe_vdiff.sym} 860 -410 0 0 {name=p37 analysis=tran voltage=3.684}
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C {spice_probe_vdiff.sym} 860 -730 0 0 {name=p38 analysis=tran voltage=3.685}
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C {ammeter.sym} 1300 -590 3 0 {name=v8 net_name=true current=0.02782}
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C {ammeter.sym} 560 -890 0 0 {name=v1 net_name=true current=0.01956}
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C {ammeter.sym} 340 -890 0 0 {name=v2 net_name=true current=0.01947}
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C {ammeter.sym} 260 -310 0 0 {name=v3 net_name=true current=0.03918}
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C {ammeter.sym} 700 -440 3 0 {name=v4 net_name=true current=0.01941}
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C {ammeter.sym} 690 -680 0 0 {name=v5 net_name=true current=0.006184}
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C {ammeter.sym} 180 -870 0 1 {name=v6 net_name=true current=0.01949}
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C {ammeter.sym} 840 -890 0 0 {name=v7 net_name=true current=0.01944}
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C {spice_probe_vdiff.sym} 860 -410 0 0 {name=p37 analysis=tran voltage=3.688}
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C {spice_probe_vdiff.sym} 860 -730 0 0 {name=p38 analysis=tran voltage=3.68}
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C {ammeter.sym} 1300 -590 3 0 {name=v8 net_name=true current=-2.1216e-04}
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C {opin.sym} 600 -130 0 0 {name=p5 lab=OUT}
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C {ipin.sym} 530 -180 0 0 {name=p1 lab=MINUS}
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C {ipin.sym} 530 -140 0 0 {name=p4 lab=VSS}
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