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xschem/src/netlist.c

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/* File: netlist.c
*
* This file is part of XSCHEM,
* a schematic capture and Spice/Vhdl/Verilog netlisting tool for circuit
* simulation.
* Copyright (C) 1998-2022 Stefan Frederik Schippers
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "xschem.h"
static int for_netlist = 0;
static void instdelete(int n, int x, int y)
{
Instentry *saveptr, **prevptr;
prevptr = &xctx->inst_spatial_table[x][y];
while( (*prevptr)->n != n) prevptr = &(*prevptr)->next;
saveptr = (*prevptr)->next;
my_free(821, prevptr);
*prevptr = saveptr;
}
static void instinsert(int n, int x, int y)
{
Instentry *ptr, *newptr;
ptr=xctx->inst_spatial_table[x][y];
newptr=my_malloc(236, sizeof(Instentry));
newptr->next=ptr;
newptr->n=n;
xctx->inst_spatial_table[x][y]=newptr;
dbg(2, "instinsert(): inserting object %d at %d,%d\n",n,x,y);
}
static Instentry *delinstentry(Instentry *t)
{
Instentry *tmp;
while( t ) {
tmp = t->next;
my_free(822, &t);
t = tmp;
}
return NULL;
}
void del_inst_table(void)
{
int i,j;
for(i=0;i<NBOXES;i++)
for(j=0;j<NBOXES;j++)
xctx->inst_spatial_table[i][j] = delinstentry(xctx->inst_spatial_table[i][j]);
xctx->prep_hash_inst=0;
dbg(1, "del_inst_table(): cleared object hash table\n");
}
/* what:
* 0, XINSERT : add to hash
* 1, XDELETE : remove from hash
*/
void hash_inst(int what, int n) /* 20171203 insert object bbox in spatial hash table */
{
int tmpi,tmpj, counti,countj,i,j;
double tmpd;
double x1, y1, x2, y2;
int x1a, x2a, y1a, y2a;
x1=xctx->inst[n].x1;
x2=xctx->inst[n].x2;
y1=xctx->inst[n].y1;
y2=xctx->inst[n].y2;
/* ordered bbox */
if( x2 < x1) { tmpd=x2;x2=x1;x1=tmpd;}
if( y2 < y1) { tmpd=y2;y2=y1;y1=tmpd;}
/* calculate square 4 1st bbox point of object[k] */
x1a=(int)floor(x1/BOXSIZE);
y1a=(int)floor(y1/BOXSIZE);
/* calculate square 4 2nd bbox point of object[k] */
x2a=(int)floor(x2/BOXSIZE);
y2a=(int)floor(y2/BOXSIZE);
/*loop thru all squares that intersect bbox of object[k] */
counti=0;
for(i=x1a; i<=x2a && counti < NBOXES; i++)
{
counti++;
tmpi=i%NBOXES; if(tmpi<0) tmpi+=NBOXES;
countj=0;
for(j=y1a; j<=y2a && countj < NBOXES; j++)
{
countj++;
tmpj=j%NBOXES; if(tmpj<0) tmpj+=NBOXES;
/* insert object_ptr[n] in region [tmpi, tmpj] */
if(what == XINSERT) instinsert(n, tmpi, tmpj);
else instdelete(n, tmpi, tmpj);
}
}
}
void hash_instances(void) /* 20171203 insert object bbox in spatial hash table */
{
int n;
if(xctx->prep_hash_inst) return;
del_inst_table();
for(n=0; n<xctx->instances; n++) {
hash_inst(XINSERT, n);
}
xctx->prep_hash_inst=1;
}
static void instpindelete(int n,int pin, int x, int y)
{
Instpinentry *saveptr, **prevptr, *ptr;
prevptr = &xctx->instpin_spatial_table[x][y];
ptr = *prevptr;
while(ptr) {
if(ptr->n == n && ptr->pin == pin) {
saveptr = ptr->next;
my_free(823, &ptr);
*prevptr = saveptr;
return;
}
prevptr = &ptr->next;
ptr = *prevptr;
}
}
/* --pin coordinates-- -square coord- */
static void instpininsert(int n,int pin, double x0, double y0, int x, int y)
{
Instpinentry *ptr, *newptr;
ptr=xctx->instpin_spatial_table[x][y];
newptr=my_malloc(237, sizeof(Instpinentry));
newptr->next=ptr;
newptr->n=n;
newptr->x0=x0;
newptr->y0=y0;
newptr->pin=pin;
xctx->instpin_spatial_table[x][y]=newptr;
dbg(2, "instpininsert(): inserting inst %d at %d,%d\n",n,x,y);
}
static Instpinentry *delinstpinentry(Instpinentry *t)
{
Instpinentry *tmp;
while(t) {
tmp = t->next;
my_free(824, &t);
t = tmp;
}
return NULL;
}
static void del_inst_pin_table(void)
{
int i,j;
for(i=0;i<NBOXES;i++)
for(j=0;j<NBOXES;j++)
xctx->instpin_spatial_table[i][j] = delinstpinentry(xctx->instpin_spatial_table[i][j]);
}
static void wiredelete(int n, int x, int y)
{
Wireentry *saveptr, **prevptr;
prevptr = &xctx->wire_spatial_table[x][y];
while( (*prevptr)->n != n) prevptr = &(*prevptr)->next;
saveptr = (*prevptr)->next;
my_free(825, prevptr);
*prevptr = saveptr;
}
static void wireinsert(int n, int x, int y)
{
Wireentry *ptr, *newptr;
ptr=xctx->wire_spatial_table[x][y];
newptr=my_malloc(238, sizeof(Wireentry));
newptr->next=ptr;
newptr->n=n;
xctx->wire_spatial_table[x][y]=newptr;
dbg(2, "wireinsert(): inserting wire %d at %d,%d\n",n,x,y);
}
static Wireentry *delwireentry(Wireentry *t)
{
Wireentry *tmp;
while( t ) {
tmp = t->next;
my_free(826, &t);
t = tmp;
}
return NULL;
}
void del_wire_table(void)
{
int i,j;
for(i=0;i<NBOXES;i++)
for(j=0;j<NBOXES;j++)
xctx->wire_spatial_table[i][j] = delwireentry(xctx->wire_spatial_table[i][j]);
xctx->prep_hash_wires=0;
}
void get_square(double x, double y, int *xx, int *yy)
{
int xa, xb, ya, yb;
xa=(int)floor(x/BOXSIZE) ;
xb=xa % NBOXES; if(xb<0) xb+=NBOXES;
ya=(int)floor(y/BOXSIZE) ;
yb=ya % NBOXES; if(yb<0) yb+=NBOXES;
*xx=xb;
*yy=yb;
}
/* what:
* 0, XINSERT : add to hash
* 1, XDELETE : remove from hash
*/
static void hash_inst_pin(int what, int i, int j)
/* inst pin */
{
xRect *rct;
char *prop_ptr;
double x0, y0, rx1, ry1;
short rot, flip;
int sqx, sqy;
int rects;
rects=(xctx->inst[i].ptr+ xctx->sym)->rects[PINLAYER] ;
if(j>=rects) /* generic pins */
{
rct=(xctx->inst[i].ptr+ xctx->sym)->rect[GENERICLAYER];
x0=(rct[j-rects].x1+rct[j-rects].x2)/2;
y0=(rct[j-rects].y1+rct[j-rects].y2)/2;
prop_ptr = rct[j-rects].prop_ptr;
}
else
{
rct=(xctx->inst[i].ptr+ xctx->sym)->rect[PINLAYER];
x0=(rct[j].x1+rct[j].x2)/2;
y0=(rct[j].y1+rct[j].y2)/2;
prop_ptr = rct[j].prop_ptr;
}
if(for_netlist && j<rects &&
(!prop_ptr || !get_tok_value(prop_ptr, "name",0)[0] || !get_tok_value(prop_ptr, "dir",0)[0]) ) {
char str[2048];
my_snprintf(str, S(str), "symbol %s: missing all or name or dir attributes on pin %d\n %s",
xctx->inst[i].name, j, prop_ptr);
statusmsg(str,2);
tcleval("show_infotext"); /* critical error: force ERC window showing */
if(!xctx->netlist_count) {
xctx->inst[i].color = -PINLAYER;
xctx->hilight_nets=1;
}
}
rot=xctx->inst[i].rot;
flip=xctx->inst[i].flip;
ROTATION(rot, flip, 0.0,0.0,x0,y0,rx1,ry1);
x0=xctx->inst[i].x0+rx1;
y0=xctx->inst[i].y0+ry1;
get_square(x0, y0, &sqx, &sqy);
if( what == XINSERT ) instpininsert(i, j, x0, y0, sqx, sqy);
else instpindelete(i, j, sqx, sqy);
}
/* what:
* 0, XINSERT : add to hash
* 1, XDELETE : remove from hash
*/
void hash_wire(int what, int n, int incremental)
{
int tmpi,tmpj, counti,countj,i,j;
double tmpd;
double x1, y1, x2, y2;
int x1a, x2a, y1a, y2a;
Wireentry *wptr;
xWire * const wire = xctx->wire;
wire[n].end1 = wire[n].end2=-1;
x1=wire[n].x1;
x2=wire[n].x2;
y1=wire[n].y1;
y2=wire[n].y2;
/* ordered bbox */
if( x2 < x1) { tmpd=x2;x2=x1;x1=tmpd;}
if( y2 < y1) { tmpd=y2;y2=y1;y1=tmpd;}
/* calculate square 4 1st bbox point of wire[k] */
x1a=(int)floor(x1/BOXSIZE) ;
y1a=(int)floor(y1/BOXSIZE) ;
/* calculate square 4 2nd bbox point of wire[k] */
x2a=(int)floor(x2/BOXSIZE);
y2a=(int)floor(y2/BOXSIZE);
/*loop thru all squares that intersect bbox of wire[k] */
counti=0;
for(i=x1a; i<=x2a && counti < NBOXES; i++)
{
counti++;
tmpi=i%NBOXES; if(tmpi<0) tmpi+=NBOXES;
countj=0;
for(j=y1a; j<=y2a && countj < NBOXES; j++)
{
countj++;
tmpj=j%NBOXES; if(tmpj<0) tmpj+=NBOXES;
/* insert wire[n] in region [tmpi, tmpj] */
if(what==XINSERT) wireinsert(n, tmpi, tmpj);
else wiredelete(n, tmpi, tmpj);
/* reset ends of all wires that *could* touch wire[n] */
if(incremental) for(wptr = xctx->wire_spatial_table[tmpi][tmpj] ; wptr ; wptr = wptr->next) {
wire[wptr->n].end1 = wire[wptr->n].end2 = -1;
}
}
}
}
void hash_wires(void)
{
int n;
if(xctx->prep_hash_wires) return;
del_wire_table();
for(n=0; n<xctx->wires; n++) hash_wire(XINSERT, n, 0);
xctx->prep_hash_wires=1;
}
/* return 0 if library path of s matches any lib name in tcl variable $xschem_libs */
/* what:
* 1: netlist exclude pattern
* 2: hierarchical print exclude pattern
* 4: hierarchical cell listing exclude pattern
*/
int check_lib(int what, const char *s)
{
int range,i, found;
char str[PATH_MAX + 512]; /* overflow safe 20161122 */
found=0;
if(what & 1) tcleval("llength $xschem_libs");
if(what & 2) tcleval("llength $noprint_libs");
if(what & 4) tcleval("llength $nolist_libs");
range = atoi(tclresult());
dbg(1, "check_lib(): s=%s, range=%d\n", s, range);
for(i=0;i<range;i++){
if(what & 1 ) my_snprintf(str, S(str), "lindex $xschem_libs %d",i);
if(what & 2 ) my_snprintf(str, S(str), "lindex $noprint_libs %d",i);
if(what & 4 ) my_snprintf(str, S(str), "lindex $nolist_libs %d",i);
tcleval(str);
dbg(1, "check_lib(): %s -> %s\n", str, tclresult());
my_snprintf(str, S(str), "regexp {%s} {%s}", tclresult(), s);
dbg(1, "check_lib(): str=%s\n", str);
tcleval(str);
if( tclresult()[0] == '1') found=1;
}
if(found) return 0;
else return 1;
}
void netlist_options(int i)
{
const char * str;
str = get_tok_value(xctx->inst[i].prop_ptr, "bus_replacement_char", 0);
if(str[0] && str[1] && strlen(str) ==2) {
bus_char[0] = str[0];
bus_char[1] = str[1];
/* tclsetvar("bus_replacement_char", str); */
}
/* fprintf(errfp, "netlist_options(): bus_char=%s\n", str); */
str = get_tok_value(xctx->inst[i].prop_ptr, "top_subckt", 0);
if(str[0]) {
/* fprintf(errfp, "netlist_options(): prop_ptr=%s\n", xctx->inst[i].prop_ptr); */
if(!strcmp(str, "true")) tclsetintvar("top_subckt", 1);
else tclsetintvar("top_subckt", 0);
}
str = get_tok_value(xctx->inst[i].prop_ptr, "spiceprefix", 0);
if(str[0]) {
/* fprintf(errfp, "netlist_options(): prop_ptr=%s\n", xctx->inst[i].prop_ptr); */
if(!strcmp(str, "false")) tclsetvar("spiceprefix", "0");
else tclsetvar("spiceprefix", "1");
}
str = get_tok_value(xctx->inst[i].prop_ptr, "hiersep", 0);
if(str[0]) {
my_snprintf(xctx->hiersep, S(xctx->hiersep), "%s", str);
}
}
void set_tcl_netlist_type(void)
{
if(xctx->netlist_type == CAD_SPICE_NETLIST) {
tclsetvar("netlist_type", "spice");
} else if(xctx->netlist_type == CAD_VERILOG_NETLIST) {
tclsetvar("netlist_type", "verilog");
} else if(xctx->netlist_type == CAD_VHDL_NETLIST) {
tclsetvar("netlist_type", "vhdl");
} else if(xctx->netlist_type == CAD_TEDAX_NETLIST) {
tclsetvar("netlist_type", "tedax");
} else if(xctx->netlist_type == CAD_SYMBOL_ATTRS) {
tclsetvar("netlist_type", "symbol");
} else {
tclsetvar("netlist_type", "unknown");
}
}
/* used only for debug */
#if 0
static void print_wires(void)
{
int i,j;
Wireentry *ptr;
for(i=0;i<NBOXES;i++) {
for(j=0;j<NBOXES;j++)
{
dbg(1, "print_wires(): %4d%4d :\n",i,j);
ptr=xctx->wire_spatial_table[i][j];
while(ptr)
{
dbg(1, "print_wires(): %6d\n", ptr->n);
ptr=ptr->next;
}
dbg(1, "print_wires(): \n");
}
}
ptr=xctx->wire_spatial_table[0][1];
while(ptr)
{
select_wire(ptr->n,SELECTED, 1);
rebuild_selected_array();
ptr=ptr->next;
}
draw();
}
#endif
/* store list of global nodes (global=1 set in symbol props) to be printed in netlist 28032003 */
/* what: */
/* 0: print list of global nodes and delete list */
/* 1: add entry */
/* 2: delete list only, no print */
/* 3: look if node is a global */
int record_global_node(int what, FILE *fp, char *node)
{
static int max_globals=0; /* safe to keep even with multiple schematics, netlist code always resets data */
static int size_globals=0; /* safe to keep even with multiple schematics, netlist code always resets data */
static char **globals=NULL; /* safe to keep even with multiple schematics, netlist code always resets data */
int i;
if( what==1 || what==3) {
if(!node) return 0;
if(!strcmp(node, "0")) return 1;
for(i=0;i<max_globals;i++) {
if( !strcmp(node, globals[i] )) return 1; /* node is a global */
}
if(what == 3) return 0; /* node is not a global */
if(max_globals>=size_globals) {
size_globals+=CADCHUNKALLOC;
my_realloc(243, &globals, size_globals*sizeof(char *) );
}
globals[max_globals]=NULL;
my_strdup(244, &globals[max_globals], node);
max_globals++;
} else if(what == 0 || what == 2) {
for(i=0;i<max_globals;i++) {
if(what == 0 && xctx->netlist_type == CAD_SPICE_NETLIST) fprintf(fp, ".GLOBAL %s\n", globals[i]);
if(what == 0 && xctx->netlist_type == CAD_TEDAX_NETLIST) fprintf(fp, "__GLOBAL__ %s\n", globals[i]);
my_free(829, &globals[i]);
}
my_free(830, &globals);
size_globals=max_globals=0;
}
return 0;
}
void get_inst_pin_coord(int i, int j, double *x, double *y)
{
xRect *rct;
int rects, rot, flip;
double x0, y0, rx1, ry1;
xInstance * const inst = xctx->inst;
rects = (inst[i].ptr+ xctx->sym)->rects[PINLAYER];
if(j < rects) {
rct=(inst[i].ptr+ xctx->sym)->rect[PINLAYER];
x0=(rct[j].x1+rct[j].x2)/2;
y0=(rct[j].y1+rct[j].y2)/2;
rot=inst[i].rot;
flip=inst[i].flip;
ROTATION(rot, flip, 0.0,0.0,x0,y0,rx1,ry1);
*x=inst[i].x0+rx1;
*y=inst[i].y0+ry1;
} else {
*x = 0;
*y = 0;
}
}
/* what==0 -> initialize */
/* what==1 -> get new node name, net## */
/* what==2 -> update multiplicity */
/* what==3 -> get node multiplicity */
int get_unnamed_node(int what, int mult,int node)
{
dbg(2, "get_unnamed_node(): what=%d mult=%d node=%d\n", what, mult, node);
if(what==0) { /* initialize unnamed node data structures */
xctx->new_node=0;
my_free(828, &xctx->node_mult);
xctx->node_mult_size=0;
return 0;
}
else if(what==1) { /* get a new unique unnamed node */
char tmp_str[30];
do {
++xctx->new_node;
my_snprintf(tmp_str, S(tmp_str), "net%d", xctx->new_node);
/* JL avoid autonamed nets clash with user defined 'net#' names */
} while (bus_node_hash_lookup(tmp_str, "", XLOOKUP, 0, "", "", "", "")!=NULL);
if(xctx->new_node >= xctx->node_mult_size) { /* enlarge array and zero it */
int oldsize = xctx->node_mult_size;
xctx->node_mult_size = xctx->new_node + CADCHUNKALLOC;
my_realloc(242, &xctx->node_mult, sizeof(xctx->node_mult[0]) * xctx->node_mult_size );
memset(xctx->node_mult + oldsize, 0, (xctx->node_mult_size - oldsize) * sizeof(xctx->node_mult[0]));
}
xctx->node_mult[xctx->new_node]=mult;
return xctx->new_node;
}
else if(what==2) { /* update node multiplicity if given mult is lower */
if(xctx->node_mult[node]==0) xctx->node_mult[node]=mult;
else if(mult < xctx->node_mult[node]) xctx->node_mult[node]=mult;
return 0;
}
else { /* what=3 , return node multiplicity */
dbg(2, "get_unnamed_node(): returning mult=%d\n", xctx->node_mult[node]);
return xctx->node_mult[node];
}
}
static void name_generics()
{
xRect *rct;
double x0, y0;
short rot = 0;
short flip = 0;
int sqx, sqy;
double rx1,ry1;
Instpinentry *iptr;
int i,j, rects, generic_rects;
char *type=NULL;
char *sig_type=NULL;
xInstance * const inst = xctx->inst;
int const instances = xctx->instances;
/* name generic pins from attached labels */
dbg(2, "prepare_netlist_structs(): naming generics from attached labels\n");
if(for_netlist) for (i=0;i<instances;i++) { /* ... assign node fields on all (non label) instances */
if(inst[i].ptr<0) continue;
my_strdup(267, &type,(inst[i].ptr+ xctx->sym)->type);
if(type && !IS_LABEL_OR_PIN(type) ) {
if((generic_rects = (inst[i].ptr+ xctx->sym)->rects[GENERICLAYER]) > 0) {
rects = (inst[i].ptr+ xctx->sym)->rects[PINLAYER];
for (j=rects;j<rects+generic_rects;j++) {
if(inst[i].node[j]) continue; /* already named node */
rct=(inst[i].ptr+ xctx->sym)->rect[GENERICLAYER];
x0=(rct[j-rects].x1+rct[j-rects].x2)/2;
y0=(rct[j-rects].y1+rct[j-rects].y2)/2;
rot=inst[i].rot;
flip=inst[i].flip;
ROTATION(rot, flip, 0.0,0.0,x0,y0,rx1,ry1);
x0=inst[i].x0+rx1;
y0=inst[i].y0+ry1;
get_square(x0, y0, &sqx, &sqy);
for(iptr=xctx->instpin_spatial_table[sqx][sqy]; iptr; iptr = iptr ->next) {
int p = iptr->pin;
int n = iptr->n;
if(n == i) continue;
if((iptr->x0==x0) && (iptr->y0==y0)) {
if((inst[n].ptr+ xctx->sym)->type && inst[n].node[p] != NULL &&
!strcmp((inst[n].ptr+ xctx->sym)->type, "label")) {
dbg(2, "prepare_netlist_structs(): naming generic %s\n", inst[n].node[p]);
my_strdup(268, &inst[i].node[j], get_tok_value(inst[n].prop_ptr,"value",0) );
if(!for_netlist) {
my_strdup(270, &sig_type,"");
bus_node_hash_lookup(inst[n].node[p],"", XINSERT, 1, sig_type,"", "","");
} else {
my_strdup(271, &sig_type,get_tok_value(
(inst[i].ptr+ xctx->sym)->rect[GENERICLAYER][j-rects].prop_ptr, "sig_type",0));
/* insert generic label in hash table as a port so it will not */
/* be declared as a signal in the vhdl netlist. this is a workaround */
/* that should be fixed 25092001 */
bus_node_hash_lookup(inst[n].node[p],
get_tok_value((inst[i].ptr+ xctx->sym)->rect[GENERICLAYER][j-rects].prop_ptr, "dir",0),
XINSERT, 1, sig_type,"", "","");
}
} /* end if(inst[iptr->n].node[iptr->pin] != NULL) */
} /* end if( (iptr->x0==x0) && (iptr->y0==y0) ) */
} /* end for(iptr=xctx->instpin_spatial_table[sqx][sqy]; iptr; iptr = iptr ->next) */
} /* end for(j=0;j<rects;j++) */
} /* end if( rects=...>0) */
} /* end if(type not a label nor pin)... */
} /* end for(i...) */
if(type) my_free(973, &type);
}
static void signal_short( const char *tag, const char *n1, const char *n2)
{
char str[2048];
if( n1 && n2 && strcmp( n1, n2) )
{
my_snprintf(str, S(str), "%s shorted: %s - %s", tag, n1, n2);
dbg(1, "signal_short(): signal_short: shorted: %s - %s", n1, n2);
statusmsg(str,2);
tcleval("show_infotext"); /* critical error: force ERC window showing */
if(!xctx->netlist_count) {
bus_hilight_hash_lookup(n1, xctx->hilight_color, XINSERT);
if(tclgetboolvar("incr_hilight")) incr_hilight_color();
bus_hilight_hash_lookup(n2, xctx->hilight_color, XINSERT);
if(tclgetboolvar("incr_hilight")) incr_hilight_color();
}
}
}
static void set_inst_node(int i, int j, const char *node)
{
xInstance * const inst = xctx->inst;
int inst_mult;
xRect *rect = (inst[i].ptr + xctx->sym)->rect[PINLAYER];
dbg(1, "set_inst_node(): inst %s pin %d <-- %s\n", inst[i].instname, j, node);
expandlabel(inst[i].instname, &inst_mult);
my_strdup(275, &inst[i].node[j], node);
if(!for_netlist) {
bus_node_hash_lookup(inst[i].node[j],"", XINSERT, 0,"","","","");
} else {
const char *dir = get_tok_value(rect[j].prop_ptr, "dir",0);
bus_node_hash_lookup(inst[i].node[j], dir, XINSERT, 0,"","","","");
}
if(node[0] == '#') { /* update multilicity of unnamed node */
int pin_mult;
expandlabel(get_tok_value(rect[j].prop_ptr, "name", 0), &pin_mult);
get_unnamed_node(2, pin_mult * inst_mult, atoi((inst[i].node[j]) + 4));
}
}
static void instcheck(int n, int p);
static void name_attached_inst_to_net(int k, int sqx, int sqy)
{
xInstance * const inst = xctx->inst;
xWire * const wire = xctx->wire;
Instpinentry *iptr;
for(iptr = xctx->instpin_spatial_table[sqx][sqy]; iptr; iptr = iptr->next) {
int n = iptr->n;
int p = iptr->pin;
double x0 = iptr->x0;
double y0 = iptr->y0;
int rects=(inst[n].ptr+ xctx->sym)->rects[PINLAYER];
if(p >= rects) continue; /* generic pins are handled in name_generics() */
if(!inst[n].node) continue;
if(touch(wire[k].x1, wire[k].y1, wire[k].x2, wire[k].y2, x0, y0)) {
if(!inst[n].node[p]) {
dbg(1, "name_attached_inst_to_net(): inst %s, pin %d <-- %s\n",
inst[n].instname, p, wire[k].node);
set_inst_node(n, p, wire[k].node);
instcheck(n, p);
} else {
if(for_netlist>0) signal_short("net to named instance pin", wire[k].node, inst[n].node[p]);
}
}
}
}
static void wirecheck(int k) /* recursive routine */
{
int tmpi, tmpj, counti, countj, i, j, touches, x1a, x2a, y1a, y2a;
double x1, y1, x2, y2;
Wireentry *wptr;
xWire * const wire = xctx->wire;
x1 = wire[k].x1; y1 = wire[k].y1;
x2 = wire[k].x2; y2 = wire[k].y2;
/* ordered bbox */
RECTORDER(x1, y1, x2, y2);
/* calculate square 4 1st bbox point of wire[k] */
x1a = (int)floor(x1 / BOXSIZE);
y1a = (int)floor(y1 / BOXSIZE);
/* calculate square 4 2nd bbox point of wire[k] */
x2a = (int)floor(x2 / BOXSIZE);
y2a = (int)floor(y2 / BOXSIZE);
/*loop thru all squares that intersect bbox of wire[k] */
counti = 0;
for(i = x1a; i <= x2a && counti < NBOXES; i++) {
counti++;
tmpi = i % NBOXES; if(tmpi < 0) tmpi += NBOXES;
countj = 0;
for(j = y1a; j <= y2a && countj < NBOXES; j++) {
countj++;
tmpj = j % NBOXES; if(tmpj < 0) tmpj += NBOXES;
/*check if wire[k] touches wires in square [tmpi, tmpj] */
for(wptr = xctx->wire_spatial_table[tmpi][tmpj]; wptr; wptr = wptr->next) {
int n = wptr->n;
if(n == k) { /* itself */
name_attached_inst_to_net(k, tmpi, tmpj);
continue;
}
touches =
touch(wire[k].x1, wire[k].y1, wire[k].x2, wire[k].y2, wire[n].x1, wire[n].y1) ||
touch(wire[k].x1, wire[k].y1, wire[k].x2, wire[k].y2, wire[n].x2, wire[n].y2) ||
touch(wire[n].x1, wire[n].y1, wire[n].x2, wire[n].y2, wire[k].x1, wire[k].y1) ||
touch(wire[n].x1, wire[n].y1, wire[n].x2, wire[n].y2, wire[k].x2, wire[k].y2);
if( touches ) {
if(!wire[n].node) {
my_strdup(239, &wire[n].node, wire[k].node);
my_strdup(240, &wire[n].prop_ptr, subst_token(wire[n].prop_ptr, "lab", wire[n].node));
name_attached_inst_to_net(n, tmpi, tmpj);
wirecheck(n); /* recursive check */
} else {
if(for_netlist>0) signal_short("Net to net", wire[n].node, wire[k].node);
}
}
}
}
}
}
static void name_attached_nets(double x0, double y0, int sqx, int sqy, const char *node)
{
xWire * const wire = xctx->wire;
Wireentry *wptr;
for(wptr = xctx->wire_spatial_table[sqx][sqy]; wptr; wptr = wptr->next) {
int n = wptr->n;
if(touch(wire[n].x1, wire[n].y1, wire[n].x2, wire[n].y2, x0,y0)) {
if(!wire[n].node) {
my_strdup(263, &wire[n].node, node);
my_strdup(264, &wire[n].prop_ptr, subst_token(wire[n].prop_ptr, "lab", wire[n].node));
wirecheck(n);
} else {
if(for_netlist>0) signal_short("Net", wire[n].node, node);
}
}
}
}
static void name_attached_inst(int i, double x0, double y0, int sqx, int sqy, const char *node)
{
xInstance * const inst = xctx->inst;
Instpinentry *iptr;
for(iptr = xctx->instpin_spatial_table[sqx][sqy]; iptr; iptr = iptr->next) {
int n = iptr->n;
int p = iptr->pin;
int rects=(inst[n].ptr+ xctx->sym)->rects[PINLAYER];
if(i == n) continue; /* itself -> skip */
if(p >= rects) continue; /* generic pins are handled in name_generics() */
if(!inst[n].node) continue;
if(iptr->x0 == x0 && iptr->y0 == y0 ) {
if(!inst[n].node[p]) {
set_inst_node(n, p, node);
instcheck(n, p);
} else {
if(for_netlist>0) signal_short("Instance pin", inst[n].node[p], node);
}
}
}
}
/* what:
* Determine if given "ninst" instance has pass-through pins
* 0: initialize
* 1: query
* 2: cleanup
*/
static int find_pass_through_symbols(int what, int ninst)
{
int i, j, k;
xInstance * const inst = xctx->inst;
int const instances = xctx->instances;
Int_hashtable table = {NULL, 0};
static int *pt_symbol = NULL; /* pass-through symbols, symbols with duplicated ports */
int *symtable = NULL;
if(what == 0 ) { /* initialize */
pt_symbol = my_calloc(272, xctx->symbols, sizeof(int));
symtable = my_calloc(1581, xctx->symbols, sizeof(int));
for(i = 0; i < instances; i++) {
k = inst[i].ptr;
if( k < 0 || symtable[k] ) continue;
symtable[k] =1;
int_hash_init(&table, 37);
for(j = 0; j < xctx->sym[k].rects[PINLAYER]; j++) {
const char *pin_name = get_tok_value(xctx->sym[k].rect[PINLAYER][j].prop_ptr, "name", 0);
if(int_hash_lookup(&table, pin_name, j, XINSERT_NOREPLACE)) {
dbg(1, " pass thru symbol found\n");
pt_symbol[k] = 1;
}
}
int_hash_free(&table);
if(pt_symbol[k]) dbg(1, "duplicated pins: %s\n", xctx->sym[i].name);
}
my_free(831, &symtable);
} else if(what ==1) { /* query */
k = inst[ninst].ptr;
if(k >=0 && pt_symbol[k]) return 1;
return 0;
} else if(what ==2) { /* cleanup */
my_free(832, &pt_symbol);
}
return -1;
}
/*
* Given an instance pin (inst n, pin p) propagate electrical information through
* other pins with identical "name" attribute (pass-through symbols)
*/
static void instcheck(int n, int p)
{
xInstance * const inst = xctx->inst;
int j, sqx, sqy;
double x0, y0;
/* should process only symbols with pass-through pins */
if(find_pass_through_symbols(1, n)) {
int k = inst[n].ptr;
int rects = xctx->sym[k].rects[PINLAYER];
char *pin_name = NULL;
my_strdup(833, &pin_name, get_tok_value(xctx->sym[k].rect[PINLAYER][p].prop_ptr, "name", 0));
if(p >= rects) return;
for(j = 0; j < rects; j++) {
const char *other_pin;
if(j == p) continue;
other_pin = get_tok_value(xctx->sym[k].rect[PINLAYER][j].prop_ptr, "name", 0);
if(!strcmp(other_pin, pin_name)) {
dbg(1, "instcheck: inst %s pin %s(%d) <--> pin %s(%d)\n", inst[n].instname, pin_name, p, other_pin, j);
dbg(1, "instcheck: node: %s\n", inst[n].node[p]);
if(!inst[n].node[j]) {
set_inst_node(n, j, inst[n].node[p]);
get_inst_pin_coord(n, j, &x0, &y0);
get_square(x0, y0, &sqx, &sqy);
name_attached_nets(x0, y0, sqx, sqy, inst[n].node[j]);
name_attached_inst(n, x0, y0, sqx, sqy, inst[n].node[j]);
} else {
if(for_netlist>0) signal_short("Pass_through symbol", inst[n].node[p], inst[n].node[j]);
}
}
}
my_free(834, &pin_name);
}
}
/* starting from labels, ipins, opins, iopins propagate electrical
* nodes to attached nets and instances
*/
static void name_nodes_of_pins_labels_and_propagate()
{
int i, sqx, sqy;
double x0, y0;
int port;
char *dir=NULL;
char *type=NULL;
char *sig_type=NULL;
char *verilog_type=NULL;
char *value=NULL;
char *class=NULL;
char *global_node=NULL;
int print_erc;
xInstance * const inst = xctx->inst;
int const instances = xctx->instances;
static int startlevel = 0; /* safe to keep even with multiple schematic windows, netlist is not interruptable */
if(xctx->netlist_count == 0 ) startlevel = xctx->currsch;
dbg(2, "prepare_netlist_structs(): naming pins from attrs\n");
/* print_erc is 1 the first time prepare_netlist_structs() is called on top level while
* doing the netlist, when netlist of sub blocks is completed and toplevel is reloaded
* a second prepare_netlist_structs() is called to name unnamed nets, in this second call
* print_erc must be set to 0 to avoid double erc printing
*/
print_erc = (xctx->netlist_count == 0 || startlevel < xctx->currsch) && for_netlist;
for (i=0;i<instances;i++) {
/* name ipin opin label node fields from prop_ptr attributes */
if(inst[i].ptr<0) continue;
my_strdup(248, &type,(inst[i].ptr+ xctx->sym)->type);
if(print_erc && (!inst[i].instname || !inst[i].instname[0]) &&
!get_tok_value((inst[i].ptr+ xctx->sym)->templ, "name", 0)[0]
) {
char str[2048];
if( type && /* list of devices that do not have a name= in template attribute */
strcmp(type, "package") &&
strcmp(type, "port_attributes") &&
strcmp(type, "architecture") &&
strcmp(type, "arch_declarations") &&
strcmp(type, "attributes") &&
strcmp(type, "netlist_options") &&
strcmp(type, "use")) {
my_snprintf(str, S(str), "instance: %d (%s): no name attribute set", i, inst[i].name);
statusmsg(str,2);
inst[i].color = -PINLAYER;
xctx->hilight_nets=1;
}
}
if(print_erc && (!type || !type[0]) ) {
char str[2048];
my_snprintf(str, S(str), "Symbol: %s: no type attribute set", inst[i].name);
statusmsg(str,2);
inst[i].color = -PINLAYER;
xctx->hilight_nets=1;
}
if(type && inst[i].node && IS_LABEL_OR_PIN(type) ) { /* instance must have a pin! */
if(for_netlist>0) {
/* 20150918 skip labels / pins if ignore property specified on instance */
if( xctx->netlist_type == CAD_VERILOG_NETLIST &&
strcmp(get_tok_value(inst[i].prop_ptr,"verilog_ignore",0),"true")==0 ) continue;
if( xctx->netlist_type == CAD_SPICE_NETLIST &&
strcmp(get_tok_value(inst[i].prop_ptr,"spice_ignore",0),"true")==0 ) continue;
if( xctx->netlist_type == CAD_VHDL_NETLIST &&
strcmp(get_tok_value(inst[i].prop_ptr,"vhdl_ignore",0),"true")==0 ) continue;
if( xctx->netlist_type == CAD_TEDAX_NETLIST &&
strcmp(get_tok_value(inst[i].prop_ptr,"tedax_ignore",0),"true")==0 ) continue;
}
port=0;
my_strdup2(249, &dir, "");
if(strcmp(type,"label")) { /* instance is a port (not a label) */
port=1;
/* 20071204 only define a dir property if instance is not a label */
if(for_netlist)
my_strdup2(250, &dir, get_tok_value( (inst[i].ptr+ xctx->sym)->rect[PINLAYER][0].prop_ptr, "dir",0));
}
else {
/* handle global nodes (global=1 set as symbol property) 28032003 */
my_strdup(251, &global_node,get_tok_value((inst[i].ptr+ xctx->sym)->prop_ptr,"global",0));
/*20071204 if instance is a label dont define a dir property for more precise erc checking */
}
/* obtain ipin/opin/label signal type (default: std_logic) */
if(for_netlist) {
my_strdup(258, &sig_type,get_tok_value(inst[i].prop_ptr,"sig_type",0));
my_strdup(259, &verilog_type,get_tok_value(inst[i].prop_ptr,"verilog_type",0));
my_strdup(260, &value,get_tok_value(inst[i].prop_ptr,"value",0));
my_strdup(261, &class,get_tok_value(inst[i].prop_ptr,"class",0));
}
my_strdup(262, &inst[i].node[0], inst[i].lab);
if(!(inst[i].node[0])) {
my_strdup(65, &inst[i].node[0], get_tok_value((inst[i].ptr+ xctx->sym)->templ, "lab",0));
dbg(1, "prepare_netlist_structs(): no lab attr on instance, pick from symbol: %s\n", inst[i].node[0]);
}
/* handle global nodes (global=1 set as symbol property) 28032003 */
if(!strcmp(type,"label") && global_node && !strcmp(global_node, "true")) {
dbg(1, "prepare_netlist_structs(): global node: %s\n",inst[i].node[0]);
record_global_node(1,NULL, inst[i].node[0]);
}
/* do not count multiple labels/pins with same name */
bus_node_hash_lookup(inst[i].node[0], /* insert node in hash table */
dir, XINSERT, port, sig_type, verilog_type, value, class);
get_inst_pin_coord(i, 0, &x0, &y0);
get_square(x0, y0, &sqx, &sqy);
/* name nets that touch ioin opin alias instances */
name_attached_nets(x0, y0, sqx, sqy, inst[i].node[0]);
/* name instances that touch ioin opin alias instances */
name_attached_inst(i, x0, y0, sqx, sqy, inst[i].node[0]);
} /* if(type && ... */
} /* for(i=0;i<instances... */
my_free(835, &dir);
my_free(836, &type);
my_free(841, &global_node);
if(for_netlist) {
my_free(837, &sig_type);
my_free(838, &verilog_type);
my_free(839, &value);
my_free(840, &class);
}
}
static void set_unnamed_net(int i)
{
char tmp_str[30];
my_snprintf(tmp_str, S(tmp_str), "#net%d", get_unnamed_node(1,0,0));
my_strdup(265, &xctx->wire[i].node, tmp_str);
my_strdup(266, &xctx->wire[i].prop_ptr, subst_token(xctx->wire[i].prop_ptr, "lab", tmp_str));
/* insert unnamed wire name in hash table */
bus_node_hash_lookup(tmp_str, "", XINSERT, 0,"","","","");
wirecheck(i);
}
static void name_unlabeled_nets()
{
int i;
/* name nets that do not touch ipin opin alias instances */
dbg(2, "prepare_netlist_structs(): naming nets that dont touch labels\n");
for (i = 0; i < xctx->wires; i++)
{
if(xctx->wire[i].node == NULL)
{
set_unnamed_net(i);
}
}
}
static void set_unnamed_inst(int i, int j)
{
char tmp_str[30];
xInstance * const inst = xctx->inst;
int sqx, sqy;
double x0, y0;
my_snprintf(tmp_str, S(tmp_str), "#net%d", get_unnamed_node(1,0,0));
dbg(1, "set_unnamed_inst(): inst %s pin %d, net %s\n", inst[i].instname, j, tmp_str);
set_inst_node(i, j, tmp_str);
get_inst_pin_coord(i, j, &x0, &y0);
get_square(x0, y0, &sqx, &sqy);
name_attached_inst(i, x0, y0, sqx, sqy, inst[i].node[j]);
}
static void name_unlabeled_instances()
{
int i, j;
xInstance * const inst = xctx->inst;
int const instances = xctx->instances;
int rects;
/* name nets that do not touch ipin opin alias instances */
dbg(2, "prepare_netlist_structs(): naming nets that dont touch labels\n");
for (i = 0; i < instances; i++)
{
rects=(inst[i].ptr+ xctx->sym)->rects[PINLAYER];
for(j = 0; j < rects; j++) {
if(inst[i].node[j] == NULL)
{
set_unnamed_inst(i, j);
}
}
}
}
static void reset_node_data_and_rehash()
{
int i,j, rects;
xInstance * const inst = xctx->inst;
int const instances = xctx->instances;
/* reset wire & inst node labels */
dbg(2, "prepare_netlist_structs(): rehashing wires and instance pins in spatial hash table\n");
hash_wires();
for (i=0;i<instances;i++)
{
if(inst[i].ptr<0) continue;
rects=(inst[i].ptr+ xctx->sym)->rects[PINLAYER] +
(inst[i].ptr+ xctx->sym)->rects[GENERICLAYER];
if(rects > 0)
{
inst[i].node = my_malloc(247, sizeof(char *) * rects);
for (j=0;j<rects;j++)
{
inst[i].node[j]=NULL;
hash_inst_pin(XINSERT, i, j);
}
}
}
}
void prepare_netlist_structs(int for_netl)
{
char nn[PATH_MAX+30];
for_netlist = for_netl;
if(for_netlist>0 && xctx->prep_net_structs) return;
else if(!for_netlist && xctx->prep_hi_structs) return;
/* delete instance pins spatial hash, wires spatial hash, node_hash, wires and inst nodes.*/
if(for_netlist) {
my_snprintf(nn, S(nn), "-----------%s", xctx->sch[xctx->currsch]);
statusmsg(nn,2);
}
dbg(1, "prepare_netlist_structs(): extraction: %s\n", xctx->sch[xctx->currsch]);
delete_netlist_structs();
free_simdata(); /* invalidate simulation cache */
reset_node_data_and_rehash();
get_unnamed_node(0,0,0); /*initializes node multiplicity data struct */
find_pass_through_symbols(0, 0); /* initialize data struct to quickly find pass-through syms */
name_nodes_of_pins_labels_and_propagate();
name_unlabeled_nets();
name_unlabeled_instances();
name_generics();
/* name_non_label_inst_pins(); */
find_pass_through_symbols(2, 0); /* cleanup data */
rebuild_selected_array();
if(for_netlist>0) {
xctx->prep_net_structs=1;
xctx->prep_hi_structs=1;
} else xctx->prep_hi_structs=1;
dbg(1, "prepare_netlist_structs(): returning\n");
/* avoid below call: it in turn calls prepare_netlist_structs(), too many side effects */
/* propagate_hilights(1, 0, XINSERT_NOREPLACE);*/
}
void delete_inst_node(int i)
{
int j, rects;
if( xctx->inst[i].ptr == -1 || !xctx->inst[i].node) return;
rects = (xctx->inst[i].ptr+ xctx->sym)->rects[PINLAYER] +
(xctx->inst[i].ptr+ xctx->sym)->rects[GENERICLAYER];
if( rects > 0 )
{
for(j=0;j< rects ;j++)
my_free(849, &xctx->inst[i].node[j]);
my_free(850, &xctx->inst[i].node );
}
}
void delete_netlist_structs(void)
{
int i;
/* erase node data structures */
dbg(1, "delete_netlist_structs(): begin erasing\n");
for(i=0;i<xctx->instances;i++)
{
delete_inst_node(i);
}
for(i=0;i<xctx->wires;i++)
{
my_free(851, &xctx->wire[i].node);
}
/* erase inst and wire topological hash tables */
del_inst_pin_table();
node_hash_free();
dbg(1, "delete_netlist_structs(): end erasing\n");
xctx->prep_net_structs=0;
xctx->prep_hi_structs=0;
}
int warning_overlapped_symbols(int sel)
{
int i;
Int_hashtable table = {NULL, 0};
Int_hashentry *found;
char str[2048];
char s[512];
int_hash_init(&table, HASHSIZE);
for(i = 0; i < xctx->instances; i++) {
dbg(1, "instance:%s: %s\n", xctx->inst[i].instname, xctx->inst[i].name);
my_snprintf(s, S(s), "%g %g %g %g",
xctx->inst[i].xx1, xctx->inst[i].yy1, xctx->inst[i].xx2, xctx->inst[i].yy2);
dbg(1, " bbox: %g %g %g %g\n", xctx->inst[i].xx1, xctx->inst[i].yy1, xctx->inst[i].xx2, xctx->inst[i].yy2);
dbg(1, " s=%s\n", s);
found = int_hash_lookup(&table, s, i, XINSERT_NOREPLACE);
if(found) {
if(sel == 0) {
xctx->inst[i].color = -PINLAYER;
xctx->hilight_nets=1;
} else {
xctx->inst[i].sel = SELECTED;
xctx->need_reb_sel_arr = 1;
}
my_snprintf(str, S(str), "Warning: overlapped instance found: %s(%s) -> %s\n",
xctx->inst[i].instname, xctx->inst[i].name, xctx->inst[found->value].instname);
statusmsg(str,2);
tcleval("show_infotext"); /* critical error: force ERC window showing */
}
}
int_hash_free(&table);
if(sel && xctx->need_reb_sel_arr) rebuild_selected_array();
return 0;
}
int sym_vs_sch_pins()
{
char **lab_array =NULL;
int lab_array_size = 0;
int i, j, k, symbol, n_syms, rects, pin_cnt=0, pin_match, mult;
struct stat buf;
char name[PATH_MAX];
char *type = NULL;
char *tmp = NULL;
char *lab=NULL;
char *pin_name=NULL;
char *pin_dir=NULL;
double tmpd;
FILE *fd;
int tmpi;
short tmps;
int endfile;
char tag[1];
char filename[PATH_MAX];
char f_version[100];
n_syms = xctx->symbols;
for(i=0;i<n_syms;i++)
{
if( xctx->sym[i].type && !strcmp(xctx->sym[i].type,"subcircuit")) {
rects = xctx->sym[i].rects[PINLAYER];
get_sch_from_sym(filename, xctx->sym + i);
if(!stat(filename, &buf)) {
fd = fopen(filename, "r");
pin_cnt = 0;
endfile = 0;
f_version[0] = '\0';
while(!endfile) {
if(fscanf(fd," %c",tag)==EOF) break;
switch(tag[0]) {
case 'v':
load_ascii_string(&tmp, fd);
my_snprintf(f_version, S(f_version), "%s",
get_tok_value(tmp, "file_version", 0));
break;
case 'E':
case 'S':
case 'V':
case 'K':
case 'G':
load_ascii_string(&tmp, fd);
break;
case '#':
read_line(fd, 1);
break;
case 'F': /* extension for future symbol floater labels */
read_line(fd, 1);
break;
case 'L':
case 'B':
if(fscanf(fd, "%d",&tmpi)< 1) {
fprintf(errfp,"sym_vs_sch_pins(): WARNING: missing fields for LINE/BOX object, ignoring\n");
read_line(fd, 0);
break;
}
case 'N':
if(fscanf(fd, "%lf %lf %lf %lf ",&tmpd, &tmpd, &tmpd, &tmpd) < 4) {
fprintf(errfp,"sym_vs_sch_pins(): WARNING: missing fields for LINE/BOX object, ignoring\n");
read_line(fd, 0);
break;
}
load_ascii_string(&tmp, fd);
break;
case 'P':
if(fscanf(fd, "%d %d",&tmpi, &tmpi)<2) {
fprintf(errfp,"sym_vs_sch_pins(): WARNING: missing fields for POLYGON object, ignoring.\n");
read_line(fd, 0);
break;
}
for(j=0;j<tmpi;j++) {
if(fscanf(fd, "%lf %lf ",&tmpd, &tmpd)<2) {
fprintf(errfp,"sym_vs_sch_pins(): WARNING: missing fields for POLYGON points, ignoring.\n");
read_line(fd, 0);
}
}
load_ascii_string( &tmp, fd);
break;
case 'A':
if(fscanf(fd, "%d",&tmpi)< 1) {
fprintf(errfp,"sym_vs_sch_pins(): WARNING: missing fields for ARC object, ignoring\n");
read_line(fd, 0);
break;
}
if(fscanf(fd, "%lf %lf %lf %lf %lf ",&tmpd, &tmpd, &tmpd, &tmpd, &tmpd) < 5) {
fprintf(errfp,"sym_vs_sch_pins(): WARNING: missing fields for ARC object, ignoring\n");
read_line(fd, 0);
break;
}
load_ascii_string(&tmp, fd);
break;
case 'T':
load_ascii_string(&tmp,fd);
if(fscanf(fd, "%lf %lf %hd %hd %lf %lf ", &tmpd, &tmpd, &tmps, &tmps, &tmpd, &tmpd) < 6 ) {
fprintf(errfp,"sym_vs_sch_pins(): WARNING: missing fields for TEXT object, ignoring\n");
read_line(fd, 0);
break;
}
load_ascii_string(&tmp,fd);
break;
case 'C':
load_ascii_string(&tmp, fd);
my_strncpy(name, tmp, S(name));
if(!strcmp(f_version,"1.0") ) {
dbg(1, "sym_vs_sch_pins(): add_ext(name,\".sym\") = %s\n", add_ext(name, ".sym") );
my_strncpy(name, add_ext(name, ".sym"), S(name));
}
if(fscanf(fd, "%lf %lf %hd %hd", &tmpd, &tmpd, &tmps, &tmps) < 4) {
fprintf(errfp,"sym_vs_sch_pins() WARNING: missing fields for INST object, filename=%s\n",
filename);
read_line(fd, 0);
break;
}
load_ascii_string(&tmp,fd);
symbol = match_symbol(name);
my_strdup(276, &type, xctx->sym[symbol].type);
if(type && IS_PIN(type)) {
my_strdup(292, &lab, expandlabel(get_tok_value(tmp, "lab", 0), &mult));
if(pin_cnt >= lab_array_size) {
lab_array_size += CADCHUNKALLOC;
my_realloc(154, &lab_array, lab_array_size * sizeof(char *));
}
lab_array[pin_cnt] = NULL;
my_strdup(155, &(lab_array[pin_cnt]), lab);
pin_cnt++;
pin_match = 0;
for(j=0; j < rects; j++) {
my_strdup(293, &pin_name,
expandlabel(get_tok_value(xctx->sym[i].rect[PINLAYER][j].prop_ptr, "name", 0), &mult));
my_strdup(294, &pin_dir, get_tok_value(xctx->sym[i].rect[PINLAYER][j].prop_ptr, "dir", 0));
if( pin_name && !strcmp(pin_name, lab)) {
if(!(
( !strcmp(type, "ipin") && !strcmp(pin_dir, "in") ) ||
( !strcmp(type, "opin") && !strcmp(pin_dir, "out") ) ||
( !strcmp(type, "iopin") && !strcmp(pin_dir, "inout") )
)
) {
char str[2048];
my_snprintf(str, S(str), "Symbol %s: Unmatched subcircuit schematic pin direction: %s",
xctx->sym[i].name, lab);
statusmsg(str,2);
my_snprintf(str, S(str), " %s <--> %s", type, pin_dir);
statusmsg(str,2);
tcleval("show_infotext"); /* critical error: force ERC window showing */
for(j = 0; j < xctx->instances; j++) {
if(!xctx->x_strcmp(xctx->inst[j].name, xctx->sym[i].name)) {
xctx->inst[i].color = -PINLAYER;
xctx->hilight_nets=1;
}
}
}
pin_match++;
break;
}
}
if(!pin_match) {
char str[2048];
/* fprintf(errfp, " unmatched sch / sym pin: %s\n", lab); */
my_snprintf(str, S(str), "Symbol %s: schematic pin: %s not in symbol", xctx->sym[i].name, lab);
statusmsg(str,2);
tcleval("show_infotext"); /* critical error: force ERC window showing */
for(j = 0; j < xctx->instances; j++) {
if(!xctx->x_strcmp(xctx->inst[j].name, xctx->sym[i].name)) {
xctx->inst[i].color = -PINLAYER;
xctx->hilight_nets=1;
}
}
}
}
break;
case '[':
load_sym_def(name, fd);
break;
case ']':
read_line(fd, 0);
endfile=1;
break;
default:
if( tag[0] == '{' ) ungetc(tag[0], fd);
read_record(tag[0], fd, 0);
break;
}
read_line(fd, 0); /* discard any remaining characters till (but not including) newline */
if(!f_version[0]) {
my_snprintf(f_version, S(f_version), "1.0");
dbg(1, "sym_vs_sch_pins(): no file_version, assuming file_version=%s\n", f_version);
}
} /* while(!endfile) */
fclose(fd);
if(pin_cnt != rects) {
char str[2048];
my_snprintf(str, S(str), "Symbol %s has %d pins, its schematic has %d pins",
xctx->sym[i].name, rects, pin_cnt);
statusmsg(str,2);
tcleval("show_infotext"); /* critical error: force ERC window showing */
for(j = 0; j < xctx->instances; j++) {
if(!xctx->x_strcmp(xctx->inst[j].name, xctx->sym[i].name)) {
xctx->inst[i].color = -PINLAYER;
xctx->hilight_nets=1;
}
}
}
for(j=0; j < rects; j++) {
my_strdup(295, &pin_name,
expandlabel(get_tok_value(xctx->sym[i].rect[PINLAYER][j].prop_ptr, "name", 0), &mult));
pin_match = 0;
for(k=0; k<pin_cnt; k++) {
if(pin_name && !strcmp(lab_array[k], pin_name)) {
pin_match++;
break;
}
}
if(!pin_match) {
char str[2048];
/* fprintf(errfp, " unmatched sch / sym pin: %s\n", lab); */
my_snprintf(str, S(str), "Symbol %s: symbol pin: %s not in schematic",
xctx->sym[i].name, pin_name ? pin_name : "<NULL>");
statusmsg(str,2);
tcleval("show_infotext"); /* critical error: force ERC window showing */
for(k = 0; k < xctx->instances; k++) {
if(!xctx->x_strcmp(xctx->inst[k].name, xctx->sym[i].name)) {
xctx->inst[i].color = -PINLAYER;
xctx->hilight_nets=1;
}
}
}
}
}
if(lab_array_size) {
for(k=0;k<pin_cnt;k++) {
my_free(842, &(lab_array[k]));
}
my_free(843, &lab_array);
lab_array_size = 0;
pin_cnt=0;
}
} /* if( ... "subcircuit"... ) */
my_free(844, &type);
my_free(845, &tmp);
my_free(846, &lab);
my_free(847, &pin_name);
my_free(848, &pin_dir);
} /* for(i=0;i<n_syms;i++) */
while(xctx->symbols > n_syms) remove_symbol(xctx->symbols - 1);
return 0;
}
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