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schema.c
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schema.c
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/*-------------------------------------------------------------------------*/
/* schema.c --- xcircuit routines specific to the schematic capture system */
/* Copyright (c) 2002 Tim Edwards, Johns Hopkins University */
/*-------------------------------------------------------------------------*/
/*-------------------------------------------------------------------------*/
/* written by Tim Edwards, 10/13/97 */
/*-------------------------------------------------------------------------*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifndef XC_WIN32
#include <X11/Intrinsic.h>
#include <X11/StringDefs.h>
#endif
#ifdef TCL_WRAPPER
#include <tk.h>
#else
#ifndef XC_WIN32
#include "Xw/Xw.h"
#include "Xw/MenuBtn.h"
#endif
#endif
/*-------------------------------------------------------------------------*/
/* Local includes */
/*-------------------------------------------------------------------------*/
#include "xcircuit.h"
#include "colordefs.h"
#include "menudep.h"
/*----------------------------------------------------------------------*/
/* Function prototype declarations */
/*----------------------------------------------------------------------*/
#include "prototypes.h"
/*------------------------------------------------------------------------*/
/* External Variable definitions */
/*------------------------------------------------------------------------*/
#ifdef TCL_WRAPPER
extern Tcl_Interp *xcinterp;
#endif
extern Globaldata xobjs;
extern XCWindowData *areawin;
extern xcWidget menuwidgets[];
extern xcWidget netbutton;
extern char _STR[150];
extern char _STR2[250];
extern colorindex *colorlist;
/*-------------------------------------------------------------------------*/
extern xcWidget wsymb, wschema;
/*--------------------------------------------------------*/
/* Menu calls (procedure wrappers) */
/*--------------------------------------------------------*/
void callwritenet(xcWidget w, pointertype mode, caddr_t calldata)
{
switch(mode) {
case 0:
writenet(topobject, "spice", "spc");
break;
case 1:
writenet(topobject, "flatsim", "sim");
break;
case 2:
writenet(topobject, "pcb", "pcbnet");
break;
case 3:
writenet(topobject, "flatspice", "fspc");
break;
case 4:
/* Auto-numbering: no output generated */
writenet(topobject, "indexpcb", "");
break;
}
}
/*----------------------------------------------------------------------*/
/* Find the page object and instance with the indicated name. */
/*----------------------------------------------------------------------*/
objectptr NameToPageObject(char *objname, objinstptr *ret_inst, int *ret_page)
{
int i;
for (i = 0; i < xobjs.pages; i++) {
if (xobjs.pagelist[i]->pageinst == NULL) continue;
if (!strcmp(objname, xobjs.pagelist[i]->pageinst->thisobject->name)) {
if (ret_inst) *ret_inst = xobjs.pagelist[i]->pageinst;
if (ret_page) *ret_page = i;
return xobjs.pagelist[i]->pageinst->thisobject;
}
}
return NULL;
}
/*--------------------------------------------------------------*/
/* Get the canonical name of an object (the part without the */
/* technology prefix, if any). */
/*--------------------------------------------------------------*/
char *GetCanonicalName(char *fullname)
{
char *canonname = strstr(fullname, "::");
if (canonname == NULL) return fullname;
return canonname + 2;
}
/*----------------------------------------------------------------------*/
/* Find the object with the indicated name. */
/* */
/* WARNING: If no library technology is given, XCircuit will return */
/* the first object with the name "objname". If there are multiple */
/* objects of the same name in different technologies, then the one */
/* returned may not be the one expected! */
/* */
/* UPDATE (4/17/2020): The "technology prefer" option can be used to */
/* set a precedence of one library over another in case of a naming */
/* conflict. This should be used appropriately, as ambiguous object */
/* names in two technologies both marked "preferred" cannot be */
/* disambiguated. */
/*----------------------------------------------------------------------*/
objectptr NameToObject(char *objname, objinstptr *ret_inst, Boolean dopages)
{
int i;
liblistptr spec;
Boolean notech = FALSE;
Boolean preferred = FALSE;
char *techptr;
objectptr retobj = NULL;
TechPtr nsp;
if (strstr(objname, "::") == NULL) notech = TRUE;
for (i = 0; i < xobjs.numlibs; i++) {
for (spec = xobjs.userlibs[i].instlist; spec != NULL; spec = spec->next) {
techptr = spec->thisinst->thisobject->name;
if (notech)
techptr = GetCanonicalName(spec->thisinst->thisobject->name);
if (!strcmp(objname, techptr)) {
if ((retobj == NULL) || ((retobj != NULL) && (preferred == FALSE))) {
if (ret_inst) *ret_inst = spec->thisinst;
retobj = spec->thisinst->thisobject;
nsp = GetObjectTechnology(retobj);
preferred = (nsp && (nsp->flags & TECH_PREFER)) ? TRUE : FALSE;
}
}
}
}
if (retobj != NULL) return retobj;
if (dopages)
return NameToPageObject(objname, ret_inst, NULL);
else
return NULL;
}
/*------------------------------------------------------------------------*/
/* Ensure that a page name is unique (required for schematic association) */
/*------------------------------------------------------------------------*/
int checkpagename(objectptr thispageobj)
{
int p, thispage;
/* char *objname = thispageobj->name; (jdk) */
Boolean changed;
Boolean update = False;
char *clnptr = NULL;
int n;
/* Check for ":n" suffix and prepare for possible update */
clnptr = strrchr(thispageobj->name, ':');
if (clnptr != NULL)
if (sscanf(clnptr + 1, "%d", &n) != 1)
clnptr = NULL;
/* Find the page number of this page object */
for (p = 0; p < xobjs.pages; p++) {
if (xobjs.pagelist[p]->pageinst != NULL) {
if (xobjs.pagelist[p]->pageinst->thisobject == thispageobj) {
thispage = p;
break;
}
}
}
if (p == xobjs.pages) {
Fprintf(stderr, "Error: Object is not a page object!\n");
return 0;
}
/* Look for any other pages with the same name */
do {
changed = False;
for (p = 0; p < xobjs.pages; p++) {
if (p == thispage) continue;
if (xobjs.pagelist[p]->pageinst != NULL) {
if (!filecmp(xobjs.pagelist[p]->pageinst->thisobject->name,
thispageobj->name)) {
/* append ":2" to name or update suffix to ensure uniqueness */
if (clnptr == NULL)
sprintf(thispageobj->name, "%s:2", thispageobj->name);
else
sprintf(clnptr + 1, "%d", n + 1);
changed = True;
update = True;
break;
}
}
}
} while (changed);
if (update) {
renamepage(thispage);
return -1;
}
return 0;
}
/*--------------------------------------*/
/* Find connectivity of a selection */
/*--------------------------------------*/
void startconnect(xcWidget button, caddr_t clientdata, caddr_t calldata)
{
if (areawin->selects > 0)
connectivity(button, clientdata, calldata);
}
/*----------------------------------------------------------------------*/
/* connectivity(): Find electrical connections into a node. */
/* (does recursive search on object heirarchy) */
/*----------------------------------------------------------------------*/
void connectivity(xcWidget button, caddr_t clientdata, caddr_t calldata)
{
short *gsel = NULL;
selection *rselect = NULL, *nextselect;
genericptr ggen = NULL;
Genericlist *netlist = NULL;
int depth, lbus, netid, subnetid;
buslist *sbus;
pushlistptr seltop, nextptr;
objectptr nettop, pschem; /* thisobj, (jdk) */
char *snew;
stringpart *ppin;
/* erase any existing highlighted network */
highlightnetlist(topobject, areawin->topinstance, 0);
seltop = (pushlistptr)malloc(sizeof(pushlist));
seltop->thisinst = areawin->topinstance;
seltop->next = NULL;
/* pick the first selection that looks like a valid network part */
if (areawin->selects > 0) {
for (gsel = areawin->selectlist; gsel < areawin->selectlist +
areawin->selects; gsel++) {
ggen = *(topobject->plist + *gsel);
if (SELECTTYPE(gsel) == LABEL) {
labelptr glab = SELTOLABEL(gsel);
if (glab->pin == LOCAL || glab->pin == GLOBAL) break;
}
else if (SELECTTYPE(gsel) == POLYGON) {
polyptr gpoly = SELTOPOLY(gsel);
if (!nonnetwork(gpoly)) break;
}
}
}
if ((areawin->selects == 0) || (gsel == areawin->selectlist
+ areawin->selects)) {
rselect = recurselect(POLYGON | LABEL | OBJINST, MODE_CONNECT, &seltop);
/* Should look at the top scorer, when scoring has been implemented */
if (rselect && (rselect->selects > 0)) {
for (nextselect = rselect; (nextselect->next != NULL) &&
(nextselect->selects > 0); nextselect = nextselect->next);
ggen = *(nextselect->thisinst->thisobject->plist + *(nextselect->selectlist));
while (rselect != NULL) {
nextselect = rselect->next;
free(rselect->selectlist);
free(rselect);
rselect = nextselect;
}
}
}
/* Determine the net and the topmost object in which that */
/* net appears. Then build the transformation matrix down */
/* to that object. highlightnet() should end by popping the */
/* entire matrix stack. */
if (ggen != NULL) {
if (checkvalid(topobject) == -1) {
destroynets(topobject);
createnets(areawin->topinstance, FALSE);
}
if ((netlist = is_resolved(&ggen, seltop, &nettop)) != NULL) {
depth = pushnetwork(seltop, nettop);
/* Fprintf(stdout, ">> Pushed network %d levels deep\n", depth); */
nextptr = seltop;
while (nextptr->thisinst->thisobject != nettop)
nextptr = nextptr->next;
nextptr->thisinst->thisobject->highlight.netlist = netlist;
nextptr->thisinst->thisobject->highlight.thisinst = nextptr->thisinst;
highlightnetlist(nettop, nextptr->thisinst, 1);
/* pop the matrix stack */
while (depth-- > 0)
UPopCTM();
/* get the primary schematic */
pschem = (nettop->schemtype == SECONDARY) ? nettop->symschem : nettop;
/* print the net name to the message window */
if (netlist->subnets == 0) {
ppin = nettopin(netlist->net.id, pschem, NULL);
snew = textprint(ppin, areawin->topinstance);
sprintf(_STR2, "Network is \"%s\" in %s", snew, nettop->name);
free(snew);
}
else {
char *sptr;
sprintf(_STR2, "Network(s): ");
sptr = _STR2 + strlen(_STR2);
for (lbus = 0; lbus < netlist->subnets; lbus++) {
sbus = netlist->net.list + lbus;
netid = sbus->netid;
subnetid = sbus->subnetid;
ppin = nettopin(netid, pschem, NULL);
snew = textprintsubnet(ppin, areawin->topinstance, subnetid);
sprintf(sptr, "%s ", snew);
sptr += strlen(snew) + 1;
free(snew);
}
sprintf(sptr, "in %s", nettop->name);
}
Wprintf("%s", _STR2);
#ifdef TCL_WRAPPER
Tcl_SetObjResult(xcinterp, Tcl_NewStringObj(snew, strlen(snew)));
#endif
}
else
Wprintf("Selected element is not part of a valid network.");
}
else {
Wprintf("No networks found near the cursor position");
netid = 0;
}
/* free up linked list */
while (seltop != NULL) {
nextptr = seltop->next;
free(seltop);
seltop = nextptr;
}
}
/*--------------------------------------------------------------*/
/* Set object type to FUNDAMENTAL if it contains one or more */
/* info labels and is not associated with a schematic/symbol. */
/* */
/* Return TRUE if the object has electrically relevant */
/* networks, FALSE if not. */
/*--------------------------------------------------------------*/
Boolean setobjecttype(objectptr cschem)
{
genericptr *cgen;
labelptr clab;
/* If networks are specifically prohibited. . . */
if (cschem->schemtype == NONETWORK) return False;
/* Apply only to schematic objects */
if ((cschem->schemtype != PRIMARY) && (cschem->schemtype != SECONDARY)) {
if (cschem->schemtype == FUNDAMENTAL)
cschem->schemtype = SYMBOL;
if (cschem->symschem == NULL) {
for (cgen = cschem->plist; cgen < cschem->plist + cschem->parts; cgen++) {
if (IS_LABEL(*cgen)) {
clab = TOLABEL(cgen);
if (clab->pin == INFO) {
cschem->schemtype = FUNDAMENTAL;
break;
}
}
}
}
}
if ((cschem->symschem != NULL) && (cschem->schemtype == SYMBOL))
return False;
else if ((cschem->schemtype == TRIVIAL) || (cschem->schemtype == FUNDAMENTAL))
return False;
return True;
}
/*------------------------------------------------------*/
/* Pin conversion subroutine for dopintype() */
/*------------------------------------------------------*/
void pinconvert(labelptr thislab, pointertype mode)
{
thislab->pin = mode;
switch (mode) {
case NORMAL:
thislab->color = DEFAULTCOLOR; /* nominally black */
break;
case GLOBAL:
thislab->color = GLOBALPINCOLOR; /* orange */
break;
case LOCAL:
thislab->color = LOCALPINCOLOR; /* red */
break;
case INFO:
thislab->color = INFOLABELCOLOR; /* green */
break;
}
}
/*---------------------------------------------------------*/
/* Change a label's type to NORMAL, GLOBAL, INFO, or LOCAL */
/*---------------------------------------------------------*/
void dopintype(xcWidget w, pointertype mode, caddr_t calldata)
{
short *gsel;
char typestr[40];
short savetype = -1;
if (areawin->selects == 0) {
Wprintf("Must first select a label to change type");
return;
}
strcpy(typestr, "Changed label to ");
switch(mode) {
case NORMAL:
strcat(typestr, "normal label");
break;
case GLOBAL:
strcat(typestr, "global pin");
break;
case LOCAL:
strcat(typestr, "local pin");
break;
case INFO:
strcat(typestr, "info-label");
break;
}
for (gsel = areawin->selectlist; gsel < areawin->selectlist +
areawin->selects; gsel++)
if (SELECTTYPE(gsel) == LABEL) {
labelptr glab = SELTOLABEL(gsel);
savetype = glab->pin;
pinconvert(glab, mode);
setobjecttype(topobject);
}
if (savetype >= 0) {
unselect_all();
drawarea(NULL, NULL, NULL);
Wprintf("%s", typestr);
}
else {
Wprintf("No labels selected.");
}
}
/*----------------------------------------------------------*/
/* Set colors on the symbol/schematic buttons appropriately */
/*----------------------------------------------------------*/
#ifdef TCL_WRAPPER
void setsymschem()
{
XcInternalTagCall(xcinterp, 1, "schematic");
}
#else
void setsymschem()
{
Arg aargs[2], bargs[2];
/* Set menu items appropriately for this object */
if (topobject->symschem != NULL) {
if (topobject->schemtype == PRIMARY || topobject->schemtype == SECONDARY) {
XtSetArg(aargs[0], XtNlabel, "Go To Symbol");
XtSetArg(bargs[0], XtNlabel, "Disassociate Symbol");
}
else {
XtSetArg(aargs[0], XtNlabel, "Go To Schematic");
XtSetArg(bargs[0], XtNlabel, "Disassociate Schematic");
}
}
else {
if (topobject->schemtype == PRIMARY || topobject->schemtype == SECONDARY) {
XtSetArg(aargs[0], XtNlabel, "Make Matching Symbol");
XtSetArg(bargs[0], XtNlabel, "Associate with Symbol");
}
else {
XtSetArg(aargs[0], XtNlabel, "Make Matching Schematic");
XtSetArg(bargs[0], XtNlabel, "Associate with Schematic");
}
}
XtSetValues(NetlistMakeMatchingSymbolButton, aargs, 1);
XtSetValues(NetlistAssociatewithSymbolButton, bargs, 1);
/* Set colors on the symbol and schematic buttons */
if (topobject->schemtype == PRIMARY || topobject->schemtype == SECONDARY) {
if (topobject->symschem == NULL) {
XtSetArg(aargs[0], XtNbackground, colorlist[OFFBUTTONCOLOR].color.pixel);
XtSetArg(aargs[1], XtNforeground, colorlist[OFFBUTTONCOLOR].color.pixel);
}
else {
XtSetArg(aargs[0], XtNbackground, colorlist[BACKGROUND].color.pixel);
XtSetArg(aargs[1], XtNforeground, colorlist[FOREGROUND].color.pixel);
}
XtSetArg(bargs[1], XtNforeground, colorlist[FOREGROUND].color.pixel);
XtSetArg(bargs[0], XtNbackground, colorlist[SNAPCOLOR].color.pixel);
}
else {
if (topobject->symschem != NULL) {
XtSetArg(bargs[0], XtNbackground, colorlist[BACKGROUND].color.pixel);
XtSetArg(bargs[1], XtNforeground, colorlist[FOREGROUND].color.pixel);
}
else {
XtSetArg(bargs[0], XtNbackground, colorlist[OFFBUTTONCOLOR].color.pixel);
XtSetArg(bargs[1], XtNforeground, colorlist[OFFBUTTONCOLOR].color.pixel);
}
XtSetArg(aargs[1], XtNforeground, colorlist[FOREGROUND].color.pixel);
if (topobject->schemtype == FUNDAMENTAL)
XtSetArg(aargs[0], XtNbackground, colorlist[AUXCOLOR].color.pixel);
else if (topobject->schemtype == TRIVIAL || topobject->symschem != NULL)
XtSetArg(aargs[0], XtNbackground, colorlist[SNAPCOLOR].color.pixel);
else {
XtSetArg(aargs[0], XtNbackground, colorlist[OFFBUTTONCOLOR].color.pixel);
XtSetArg(aargs[1], XtNforeground, colorlist[OFFBUTTONCOLOR].color.pixel);
XtSetArg(bargs[0], XtNbackground, colorlist[BBOXCOLOR].color.pixel);
XtSetArg(bargs[1], XtNforeground, colorlist[FOREGROUND].color.pixel);
}
}
XtSetValues(wsymb, aargs, 2);
XtSetValues(wschema, bargs, 2);
}
#endif
/*--------------------------------------------------------*/
/* Find the page number for an object */
/*--------------------------------------------------------*/
int findpageobj(objectptr pobj)
{
int tpage;
for (tpage = 0; tpage < xobjs.pages; tpage++)
if (xobjs.pagelist[tpage]->pageinst != NULL)
if (xobjs.pagelist[tpage]->pageinst->thisobject == pobj)
return tpage;
return -1;
}
/*------------------------------------------------------*/
/* Enumerate all of the pages which are subschematics */
/* of "toppage" and return the result in the list */
/* passed as a pointer. The list is assumed to be */
/* already allocated, and equal to the total number of */
/* pages (xobjs.pages). */
/* */
/* Avoid possible recursion problems by limiting the */
/* number of recursion levels. Presumably no circuit */
/* would have more than several hundred hierarchical */
/* levels. */
/* */
/* If "dolinks" is TRUE, ennumerate and follow pages */
/* that are descendents of the top level when the */
/* calling symbol instance has a "link" parameter and */
/* that parameter points to the same filename as the */
/* page. This indicates a multiple-file project; the */
/* pages keep separate records of changes, and are */
/* saved independently, and loaded through the link */
/* dependency method. */
/*------------------------------------------------------*/
int findsubschems(int toppage, objectptr cschem, int level, short *pagelist,
Boolean dolinks)
{
genericptr *cgen;
if (level == HIERARCHY_LIMIT) return -1; /* sanity check */
for (cgen = cschem->plist; cgen < cschem->plist + cschem->parts; cgen++) {
if (IS_OBJINST(*cgen)) {
objinstptr cinst = TOOBJINST(cgen);
objectptr cobj = cinst->thisobject;
if (cobj->symschem != NULL) {
int pageno = findpageobj(cobj->symschem);
if ((pageno >= 0) && (pageno < xobjs.pages)) {
/* Look for a "link" parameter */
if (dolinks == FALSE) {
oparamptr ops;
ops = find_param(cinst, "link");
if ((ops != NULL) && (ops->type == XC_STRING)) {
char *filename = textprint(ops->parameter.string, cinst);
if (!strcmp(filename, "%n") || !strcmp(filename, "%N") ||
!strcmp(filename, xobjs.pagelist[pageno]->filename)) {
free(filename);
continue;
}
free(filename);
}
}
/* Add this page to the list */
pagelist[pageno]++;
}
/* A symbol on its own schematic page is allowed for clarity */
/* of the schematic, but this cannot be a functional part of */
/* the schematic circuit! */
if (cobj->symschem != cschem) {
if (findsubschems(toppage, cobj->symschem,
level + 1, pagelist, dolinks) == -1)
return -1;
}
}
else if (cobj->schemtype != FUNDAMENTAL && cobj->schemtype != TRIVIAL) {
/* Check symbols acting as their own schematics */
if (findsubschems(toppage, cobj, level + 1, pagelist, dolinks) == -1)
return -1;
}
}
}
return 0;
}
/*------------------------------------------------------*/
/* Recursively find all sub-circuits associated with */
/* the top-level circuit. For each schematic that does */
/* not have a valid filename, set the filename equal to */
/* the filename of the "toppage" schematic. */
/*------------------------------------------------------*/
void collectsubschems(int toppage)
{
int loctop;
objectptr cschem;
short *pagelist, pageno;
Pagedata *curpage;
loctop = toppage;
curpage = xobjs.pagelist[loctop];
if (curpage->pageinst == NULL) return;
cschem = curpage->pageinst->thisobject;
if (cschem->schemtype == SECONDARY) {
cschem = cschem->symschem;
loctop = is_page(cschem);
if (loctop < 0) return;
curpage = xobjs.pagelist[loctop];
}
pagelist = (short *)malloc(xobjs.pages * sizeof(short));
for (pageno = 0; pageno < xobjs.pages; pageno++)
pagelist[pageno] = 0;
findsubschems(loctop, cschem, 0, pagelist, FALSE);
for (pageno = 0; pageno < xobjs.pages; pageno++) {
if (pageno == loctop) continue;
if (pagelist[pageno] > 0) {
if (xobjs.pagelist[pageno]->filename != NULL)
free(xobjs.pagelist[pageno]->filename);
xobjs.pagelist[pageno]->filename =
strdup(xobjs.pagelist[loctop]->filename);
}
}
free((char *)pagelist);
}
/*------------------------------------------------------*/
/* compare_qualified(str1, str2) --- */
/* */
/* String comparison for technology-qualified */
/* names. str2" must be a fully-qualified name. */
/* "str1" may be qualified or unqualified. If */
/* unqualified, compare_qualified will return TRUE */
/* for any "str2" that matches the name part of */
/* the technology::name format. */
/* */
/* Return value: TRUE if match, FALSE if not. */
/*------------------------------------------------------*/
Boolean compare_qualified(char *str1, char *str2)
{
char *sptr1, *sptr2;
Boolean qual1, qual2;
sptr2 = strstr(str2, "::");
qual2 = (sptr2 == NULL) ? FALSE : TRUE;
if (!qual2) return (!strcmp(str1, str2));
sptr1 = strstr(str1, "::");
qual1 = (sptr1 == NULL) ? FALSE : TRUE;
if (qual1) return (!strcmp(str1, str2));
sptr2 += 2;
return (!strcmp(str1, sptr2));
}
/*-------------------------------------------------------*/
/* Check if top-level page is the same name as a library */
/* object; if so, connect it. */
/* Note that it is not an error not to find the matching */
/* symbol/schematic. "is_schematic" and "is_symbol" */
/* comments in the .ps file are complementary, so the */
/* first one encountered will always fail, and the other */
/* will succeed. */
/*-------------------------------------------------------*/
int checkschem(objectptr thisobj, char *cname)
{
objectptr *tlib;
short i, j;
if (thisobj->symschem != NULL) return 0;
for (i = 0; i < xobjs.numlibs; i++) {
for (j = 0; j < xobjs.userlibs[i].number; j++) {
tlib = xobjs.userlibs[i].library + j;
if (compare_qualified(cname, (*tlib)->name)) {
thisobj->symschem = (*tlib);
thisobj->schemtype = PRIMARY;
(*tlib)->symschem = thisobj;
(*tlib)->schemtype = SYMBOL;
return 1;
}
}
}
return 0;
}
/*--------------------------------------------------------*/
/* Complement to the above routine: If a library object */
/* name is the same as a top-level page, connect them. */
/*--------------------------------------------------------*/
int checksym(objectptr symobj, char *cname)
{
short cpage;
objectptr checkpage;
if (symobj->symschem != NULL) return 0;
for (cpage = 0; cpage < xobjs.pages; cpage++) {
if (xobjs.pagelist[cpage]->pageinst != NULL) {
checkpage = xobjs.pagelist[cpage]->pageinst->thisobject;
if (compare_qualified(cname, checkpage->name)) {
symobj->symschem = checkpage;
symobj->schemtype = SYMBOL;
checkpage->symschem = symobj;
checkpage->schemtype = PRIMARY;
return 1;
}
}
}
return 0;
}
/*----------------------------------------------------------------------*/
/* Find location of corresponding pin in symbol/schematic and change it */
/* to the text of the indicated label. */
/* */
/* Return the number of other pins changed. zero indicates that no */
/* corresponding pins were found, and therefore nothing was changed. */
/*----------------------------------------------------------------------*/
int changeotherpins(labelptr newlabel, stringpart *oldstring)
{
objectptr other = topobject->symschem;
genericptr *tgen;
labelptr tlab;
int rval = 0;
if (other == NULL) return rval;
for (tgen = other->plist; tgen < other->plist + other->parts; tgen++) {
if (IS_LABEL(*tgen)) {
tlab = TOLABEL(tgen);
if (tlab->pin != LOCAL) continue;
if (!stringcomp(tlab->string, oldstring)) {
if (newlabel != NULL) {
free(tlab->string);
tlab->string = stringcopy(newlabel->string);
rval++;
}
}
}
}
return rval;
}
/*----------------------------------------------------------------------*/
/* Xt wrapper for swapschem() */
/*----------------------------------------------------------------------*/
void xlib_swapschem(xcWidget w, pointertype mode, caddr_t calldata)
{
swapschem((int)mode, -1, NULL);
}
/*----------------------------------------------------------------------*/
/* Swap object schematic and symbol pages. */
/* allow_create = 0 disallows creation of a new schematic or symbol; */
/* i.e., if there is no corresponding schematic/symbol, nothing */
/* happens. */
/*----------------------------------------------------------------------*/
void swapschem(int allow_create, int libnum, char *fullname)
{
objectptr savepage = topobject;
labelptr *pinlab;
genericptr *plab;
Boolean lflag;
pushlistptr stacktop;
short loclibnum = libnum;
char *canonname;
if (libnum == -1) loclibnum = USERLIB - LIBRARY;
/* Create symbol or schematic, if allowed by allow_create */
if ((topobject->symschem == NULL) && (allow_create != 0)
&& (topobject->schemtype != SECONDARY)) {
if (topobject->schemtype != PRIMARY) {
int tpage;
/* create a new page for the new schematic */
for (tpage = 0; tpage < xobjs.pages; tpage++)
if (xobjs.pagelist[tpage]->pageinst == NULL) break;
/* Push the current instance onto the push stack */
/* Change the page without destroying the pushlist */
push_stack(&areawin->stack, areawin->topinstance, NULL);
stacktop = areawin->stack;
areawin->stack = NULL;
changepage(tpage);
areawin->stack = stacktop;
}
else {
objectptr *newobject;
/* create a new library object for the new symbol */
xobjs.userlibs[loclibnum].library = (objectptr *)
realloc(xobjs.userlibs[loclibnum].library,
++xobjs.userlibs[loclibnum].number * sizeof(objectptr));
newobject = xobjs.userlibs[loclibnum].library
+ xobjs.userlibs[loclibnum].number - 1;
*newobject = (objectptr) malloc(sizeof(object));
initmem(*newobject);
(*newobject)->schemtype = SYMBOL;
(*newobject)->hidden = False;
incr_changes(*newobject);
if (eventmode == MOVE_MODE || eventmode == COPY_MODE)
standard_element_delete(ERASE);
else
unselect_all();
/* Generate a library instance for this object and set the */
/* top instance to point to it. */
topobject->viewscale = areawin->vscale;
topobject->pcorner = areawin->pcorner;
push_stack(&areawin->stack, areawin->topinstance, NULL);
areawin->topinstance = addtoinstlist(loclibnum, *newobject, FALSE);
/* Generate the default bounding box for a size-zero object */
calcbbox(areawin->topinstance);
}
/* set links between the two objects */
savepage->symschem = topobject;
topobject->symschem = savepage;
/* Make the name of the new object equal to that of the old, */
/* except that symbols get the full name while schematics */
/* get the canonical name (without the technology prefix) */
if (fullname == NULL)
canonname = GetCanonicalName(savepage->name);
else {
canonname = strstr(fullname, "::");
if ((canonname == NULL) || (topobject->schemtype != PRIMARY))
canonname = fullname;
else
canonname += 2;
}
strcpy(topobject->name, canonname);
checkname(topobject);
/* copy all pin labels into the new object */
for (plab = savepage->plist; plab < savepage->plist + savepage->parts;
plab++) {
if (IS_LABEL(*plab)) {
genericptr *tgen;
labelptr tlab, lpin = (labelptr)*plab;
if (lpin->pin == LOCAL) {
/* Only make one copy of each pin name */
lflag = False;
for (tgen = topobject->plist; tgen <
topobject->plist + topobject->parts; tgen++) {
if (IS_LABEL(*tgen)) {
tlab = TOLABEL(tgen);
if (!stringcomp(tlab->string, lpin->string)) lflag = True;
}
}
if (lflag == True) continue;
NEW_LABEL(pinlab, topobject);
(*pinlab)->pin = lpin->pin;
(*pinlab)->color = lpin->color;
(*pinlab)->rotation = 0.0;
(*pinlab)->scale = 1.0;
(*pinlab)->anchor = areawin->anchor;
(*pinlab)->position.x = 0;
(*pinlab)->position.y = topobject->parts * (TEXTHEIGHT + 10);
(*pinlab)->passed = NULL;
(*pinlab)->cycle = NULL;
u2u_snap(&((*pinlab)->position));
(*pinlab)->string = stringcopy(lpin->string);
incr_changes(topobject);
}
}
}
calcbbox(areawin->topinstance);
/* Recreate the user library with the new symbol */
if (savepage->schemtype != SYMBOL) composelib(loclibnum + LIBRARY);
}
else if (topobject->symschem != NULL) {
/* If symschem matches the last entry on the push stack, then we */
/* pop; otherwise, we push. */
if (areawin->stack && areawin->stack->thisinst->thisobject
== topobject->symschem) {
topobject->viewscale = areawin->vscale;
topobject->pcorner = areawin->pcorner;
areawin->topinstance = areawin->stack->thisinst;
pop_stack(&areawin->stack);
}
else {
int p;
objinstptr syminst = NULL;
liblistptr symlist;