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magic/database/DBcellname.c

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/*
* DBcellname.c --
*
* CellUse/CellDef creation, deletion, naming.
*
* *********************************************************************
* * Copyright (C) 1985, 1990 Regents of the University of California. *
* * Permission to use, copy, modify, and distribute this *
* * software and its documentation for any purpose and without *
* * fee is hereby granted, provided that the above copyright *
* * notice appear in all copies. The University of California *
* * makes no representations about the suitability of this *
* * software for any purpose. It is provided "as is" without *
* * express or implied warranty. Export of this software outside *
* * of the United States of America may require an export license. *
* *********************************************************************
*/
#ifndef lint
static char rcsid[] __attribute__ ((unused)) = "$Header: /usr/cvsroot/magic-8.0/database/DBcellname.c,v 1.5 2009/07/27 00:56:56 tim Exp $";
#endif /* not lint */
#include <stdio.h>
#include <string.h>
#include "tcltk/tclmagic.h"
#include "utils/magic.h"
#include "utils/hash.h"
#include "utils/utils.h"
#include "utils/geometry.h"
#include "tiles/tile.h"
#include "database/database.h"
#include "database/databaseInt.h"
#include "select/select.h"
#include "utils/signals.h"
#include "utils/undo.h"
#include "utils/malloc.h"
#include "windows/windows.h"
#include "textio/textio.h"
#include "dbwind/dbwind.h"
#include "utils/main.h"
#include "drc/drc.h"
/*
* Hash tables for CellDefs and CellUses
*/
#define NCELLDEFBUCKETS 64 /* Initial number of buckets for CellDef tbl */
#define NCELLUSEBUCKETS 128 /* Initial number of buckets for CellUse tbl */
HashTable dbCellDefTable;
HashTable dbUniqueDefTable;
HashTable dbUniqueNameTable;
bool dbWarnUniqueIds;
/*
* Routines used before defined
*/
extern CellDef *DBCellDefAlloc();
extern int dbLinkFunc();
extern void dbUsePrintInfo();
extern void DBsetUseIdHash();
extern void DBUnLinkCell();
/*
* Routines from other database modules
*/
extern void DBSetUseIdHash();
/*
* ----------------------------------------------------------------------------
*
* DBCellRename --
*
* Rename a cell. This differs from the "save" command in that the
* cell is not immediately written to disk. However, the cell is
* marked as modified.
*
* Results:
* Return TRUE if the cell was successfully renamed. Return FALSE
* otherwise.
*
* Side Effects:
* Cellname is changed.
*
* ----------------------------------------------------------------------------
*/
bool
DBCellRename(cellname, newname)
char *cellname;
char *newname;
{
HashEntry *entry;
CellDef *celldef;
bool result;
entry = HashLookOnly(&dbCellDefTable, cellname);
if (entry == NULL)
{
TxError("No such cell \"%s\"\n", cellname);
return FALSE;
}
celldef = (CellDef *)HashGetValue(entry);
if (celldef == NULL) return FALSE;
if ((celldef->cd_flags & CDINTERNAL) == CDINTERNAL)
{
TxError("Attempt to rename internal cell \"%s\"\n", cellname);
return FALSE;
}
/* Good to go! */
UndoDisable();
result = DBCellRenameDef(celldef, newname);
DBWAreaChanged(celldef, &celldef->cd_bbox, DBW_ALLWINDOWS,
(TileTypeBitMask *) NULL);
UndoEnable();
return result;
}
/*
* ----------------------------------------------------------------------------
*
* DBEnumerateTypes
*
* Generate a mask of all known types in all known cells.
*
* Results:
* None.
*
* Side effects:
* Returns the OR of the layer mask of each cell definition in
* the pointer to rMask.
*
* Notes:
* cd_types needs to be properly handled through paint/erase
* operations, or else we should not rely on cd_types.
* ----------------------------------------------------------------------------
*/
void
DBEnumerateTypes(rMask)
TileTypeBitMask *rMask;
{
HashSearch hs;
HashEntry *entry;
CellDef *cellDef;
TTMaskZero(rMask);
HashStartSearch(&hs);
while ((entry = HashNext(&dbCellDefTable, &hs)) != NULL)
{
cellDef = (CellDef *) HashGetValue(entry);
if (cellDef != (CellDef *)NULL)
if ((cellDef->cd_flags & CDINTERNAL) != CDINTERNAL)
TTMaskSetMask(rMask, &cellDef->cd_types);
}
}
/*
* ----------------------------------------------------------------------------
*
* DBCellDelete --
*
* Destroy a cell.
*
* Results:
* Return TRUE if the cell was successfully eliminated. Return FALSE
* if the cell could not be deleted (i.e., has dependencies).
*
* Side Effects:
* Frees memory. May prompt the user to save, if the cell has been
* changed.
*
* ----------------------------------------------------------------------------
*/
bool
DBCellDelete(cellname, force)
char *cellname;
bool force;
{
HashEntry *entry;
CellDef *celldef;
CellUse *celluse;
bool result;
entry = HashLookOnly(&dbCellDefTable, cellname);
if (entry == NULL)
{
TxError("No such cell \"%s\"\n", cellname);
return FALSE;
}
celldef = (CellDef *)HashGetValue(entry);
if (celldef == NULL) return FALSE;
if ((celldef->cd_flags & CDINTERNAL) == CDINTERNAL)
{
TxError("Attempt to delete internal cell \"%s\"\n", cellname);
return FALSE;
}
/* If the cell has any instances which are not top-level */
/* uses, don't allow the deletion. */
for (celluse = celldef->cd_parents; celluse != (CellUse *) NULL;
celluse = celluse->cu_nextuse)
if (celluse->cu_parent != (CellDef *) NULL)
if ((celluse->cu_parent->cd_flags & CDINTERNAL) != CDINTERNAL)
break;
if (celluse != (CellUse *)NULL)
{
TxError("Cell has non-top-level dependency in use \"%s\"\n",
celluse->cu_id);
return FALSE;
}
/* Cleared to delete. . . now prompt user if the cell has changes. */
/* Last chance to save! */
if ((force == FALSE) &&
(celldef->cd_flags & (CDMODIFIED|CDBOXESCHANGED|CDSTAMPSCHANGED)))
{
static char *yesno[] = { "no", "yes", 0 };
int code;
char *prompt = TxPrintString("Cell %s has been modified.\n Do you"
" want to delete it and lose all changes? ",
cellname);
code = TxDialog(prompt, yesno, 0);
if (code == 0) return FALSE;
}
/* If we're destroying the cell pointed to by dbUndoLastCell, we */
/* need to NULL it and flush the Undo queue. */
DBUndoReset(celldef);
/* If we're destroying "UNNAMED", then we want to rename it first */
/* so that WindUnload() will create a new one. */
if (!strcmp(cellname, UNNAMED))
DBCellRename(cellname, "__UNNAMED__");
/* For all top-level cell uses, check if any windows have this */
/* use. If so, load the window with (UNNAMED). */
UndoDisable();
for (celluse = celldef->cd_parents; celluse != (CellUse *) NULL;
celluse = celluse->cu_nextuse)
{
if (celluse->cu_parent == (CellDef *) NULL)
{
WindUnload(celluse);
freeMagic(celluse->cu_id);
}
freeMagic((char *)celluse);
}
celldef->cd_parents = (CellUse *)NULL;
result = DBCellDeleteDef(celldef);
if (result == FALSE)
TxError("Error: Deleted all cell uses, but could not delete cell.\n");
UndoEnable();
return result;
}
/*
* ----------------------------------------------------------------------------
*
* DBCellInit --
*
* Initialize the world of the cell.
*
* Results:
* None.
*
* Side effects:
* Sets up the symbol tables for CellDefs and CellUses.
*
* ----------------------------------------------------------------------------
*/
void
DBCellInit()
{
HashInit(&dbCellDefTable, NCELLDEFBUCKETS, 0);
}
/*
* ----------------------------------------------------------------------------
*
* dbGetUseName --
*
* Returns the name of the indicated cell use. If the use is part of
* an array, it returns the largest array member in x, y, or both.
*
* Results:
* An allocated char * array which must be free'd using freeMagic().
*
* ----------------------------------------------------------------------------
*/
char *
dbGetUseName(celluse)
CellUse *celluse;
{
char *useID, *newID, xbuf[10], ybuf[10];
int arxl, aryl, arxh, aryh;
int newsize;
bool isx, isy;
arxl = celluse->cu_array.ar_xlo;
aryl = celluse->cu_array.ar_ylo;
arxh = celluse->cu_array.ar_xhi;
aryh = celluse->cu_array.ar_yhi;
isx = (arxh == arxl) ? FALSE : TRUE;
isy = (aryh == aryl) ? FALSE : TRUE;
xbuf[0] = '\0';
ybuf[0] = '\0';
useID = celluse->cu_id;
newsize = strlen(useID) + 1;
if (isx || isy)
{
newsize += 4;
if (isx && isy) newsize += 1;
if (isx)
{
snprintf(xbuf, 9, "%d", arxl);
newsize += strlen(xbuf);
}
if (isy)
{
snprintf(ybuf, 9, "%d", aryl);
newsize += strlen(ybuf);
}
}
newID = (char *)mallocMagic(newsize);
strcpy(newID, useID);
if (isx || isy)
{
strcat(newID, "\\[");
if (isx) strcat(newID, xbuf);
if (isx && isy) strcat(newID, ",");
if (isy) strcat(newID, ybuf);
strcat(newID, "\\]");
}
return (newID);
}
/*
* ----------------------------------------------------------------------------
*
* dbCellPrintInfo --
*
* This is the working function for DBCellPrint.
*
* Results:
* None (Tcl returns list if "dolist" is true in magic Tcl version).
*
* Side effects:
* Stuff is printed.
*
* ----------------------------------------------------------------------------
*/
void
dbCellPrintInfo(StartDef, who, dolist)
CellDef *StartDef;
int who;
bool dolist;
{
HashSearch hs;
HashEntry *entry;
CellDef *celldef;
CellUse *celluse;
char *cu_name;
bool topdone;
switch (who) {
case SELF:
if (StartDef->cd_name == NULL)
{
if (dolist)
#ifdef MAGIC_WRAPPER
Tcl_AppendElement(magicinterp, "1");
#else
TxPrintf("TRUE\n");
#endif
else
TxPrintf("Cell is currently loaded.\n");
}
else
{
if (dolist)
#ifdef MAGIC_WRAPPER
Tcl_AppendElement(magicinterp, StartDef->cd_name);
#else
TxPrintf("%s\n", StartDef->cd_name);
#endif
else
TxPrintf("Cell %s is currently loaded.\n", StartDef->cd_name);
}
break;
case OTHER:
if (!dolist)
TxPrintf("Names of cell instances:\n");
for (celluse = StartDef->cd_parents; celluse != NULL;
celluse = celluse->cu_nextuse)
{
if ((celluse->cu_parent != NULL) &&
((celluse->cu_parent->cd_flags & CDINTERNAL)
== CDINTERNAL))
continue;
if (celluse->cu_id != NULL)
{
cu_name = dbGetUseName(celluse);
if (dolist)
#ifdef MAGIC_WRAPPER
Tcl_AppendElement(magicinterp, cu_name);
#else
TxPrintf("%s\n", cu_name);
#endif
else
TxPrintf(" %s\n", cu_name);
freeMagic(cu_name);
}
}
break;
case CHILDINST:
if (!dolist)
TxPrintf("Def %s's children are:\n", StartDef->cd_name);
HashStartSearch(&hs);
while ((entry = HashNext(&StartDef->cd_idHash, &hs)) != NULL)
{
celluse = (CellUse *)HashGetValue(entry);
if (celluse != (CellUse *)NULL)
dbCellUsePrintFunc(celluse, &dolist);
}
break;
case PARENTS:
/*
*
* Print out a list of all the parents by scanning the 'use' list.
*
*/
if (StartDef->cd_name == NULL && (!dolist))
{
TxPrintf("Cell's parents are:\n");
}
else if (!dolist)
{
TxPrintf("Cell %s's parents are:\n", StartDef->cd_name);
}
for (celluse = StartDef->cd_parents; celluse != (CellUse *) NULL;
celluse = celluse->cu_nextuse)
{
if (celluse->cu_parent != (CellDef *) NULL)
{
celluse->cu_parent->cd_client = (ClientData) 1;
}
}
for (celluse = StartDef->cd_parents; celluse != (CellUse *) NULL;
celluse = celluse->cu_nextuse)
{
if (celluse->cu_parent != (CellDef *) NULL)
{
if (celluse->cu_parent->cd_client == (ClientData) 1)
{
celluse->cu_parent->cd_client = (ClientData) NULL;
if ( (celluse->cu_parent->cd_flags & CDINTERNAL)
!= CDINTERNAL)
{
if (dolist)
#ifdef MAGIC_WRAPPER
Tcl_AppendElement(magicinterp,
celluse->cu_parent->cd_name);
#else
TxPrintf("%s ", celluse->cu_parent->cd_name);
#endif
else
TxPrintf(" %s\n", celluse->cu_parent->cd_name);
}
}
}
}
break;
case CHILDREN:
/*
*
* Print out a list of all the children by checking all the cells.
*
*/
if (StartDef->cd_name == NULL && (!dolist))
{
TxPrintf("Cell's children are:\n");
}
else if (!dolist)
{
TxPrintf("Cell %s's children are:\n", StartDef->cd_name);
}
HashStartSearch(&hs);
while( (entry = HashNext(&dbCellDefTable, &hs)) != NULL)
{
celldef = (CellDef *) HashGetValue(entry);
if (!celldef) continue;
for (celluse = celldef->cd_parents; celluse != (CellUse *) NULL;
celluse = celluse->cu_nextuse)
{
if (celluse->cu_parent == StartDef)
{
if (dolist)
#ifdef MAGIC_WRAPPER
Tcl_AppendElement(magicinterp, celldef->cd_name);
#else
TxPrintf("%s ", celldef->cd_name);
#endif
else
TxPrintf(" %s\n", celldef->cd_name);
break;
}
}
}
break;
} /* endswitch */
}
/*
* ----------------------------------------------------------------------------
*
* DBTopPrint --
*
* This routine prints the cell definition name of the topmost instance
* in the window.
*
* ----------------------------------------------------------------------------
*/
void
DBTopPrint(mw, dolist)
MagWindow *mw;
bool dolist;
{
CellDef *celldef;
CellUse *celluse;
if (mw == NULL)
{
TxError("No window was selected for search.\n");
}
else
{
celluse = (CellUse *)mw->w_surfaceID;
celldef = celluse->cu_def;
if (celldef == NULL) return;
#ifdef MAGIC_WRAPPER
if (dolist)
Tcl_AppendElement(magicinterp, celldef->cd_name);
else
#endif
TxPrintf("Top-level cell in the window is: %s\n", celldef->cd_name);
}
}
/*
* ----------------------------------------------------------------------------
*
* DBCellPrint --
*
* This routine prints out cell names.
*
* Results:
* None.
*
* Side effects:
* Stuff is printed.
*
* Notes: "who" takes one of the options defined in database.h:
* PARENTS, CHILDREN, SELF, OTHER, ALLCELLS, MODIFIED, or TOPCELLS.
* "SELF" lists celldef names (most useful to list the name of
* a selected cell). "OTHER" lists instance names.
*
* ----------------------------------------------------------------------------
*/
void
DBCellPrint(CellName, who, dolist)
char *CellName;
int who;
bool dolist;
{
int found;
HashSearch hs;
HashEntry *entry;
CellDef *celldef;
CellUse *celluse;
if (!dolist)
{
switch (who)
{
case ALLCELLS:
TxPrintf("Cell currently loaded:\n");
break;
case MODIFIED:
TxPrintf("Modified cells:\n");
break;
case TOPCELLS:
TxPrintf("Top level cells are:\n");
break;
}
}
switch (who)
{
case ALLCELLS:
case MODIFIED:
/*
* Print the name of all the 'known' cells.
* If "MODIFIED", print only those cells that have the
* CDMODIFIED flag set.
*/
HashStartSearch(&hs);
while( (entry = HashNext(&dbCellDefTable, &hs)) != NULL)
{
celldef = (CellDef *) HashGetValue(entry);
if (celldef != (CellDef *) NULL)
{
if (((celldef->cd_flags & CDINTERNAL) != CDINTERNAL) &&
((who != MODIFIED) ||
(celldef->cd_flags & CDMODIFIED)))
{
if (celldef->cd_name != NULL)
{
if (dolist)
#ifdef MAGIC_WRAPPER
Tcl_AppendElement(magicinterp, celldef->cd_name);
#else
TxPrintf("%s ", celldef->cd_name);
#endif
else
TxPrintf(" %s\n", celldef->cd_name);
}
}
}
}
break;
case TOPCELLS:
/*
* Print the name of all the 'top' cells.
*/
HashStartSearch(&hs);
while( (entry = HashNext(&dbCellDefTable, &hs)) != NULL)
{
celldef = (CellDef *) HashGetValue(entry);
if (celldef != (CellDef *) NULL)
{
if ( (celldef->cd_flags & CDINTERNAL) != CDINTERNAL)
{
found = 0;
for (celluse = celldef->cd_parents;
celluse != (CellUse *) NULL;
celluse = celluse->cu_nextuse)
{
if (celluse->cu_parent != (CellDef *) NULL)
{
if ( (celluse->cu_parent->cd_flags & CDINTERNAL)
!= CDINTERNAL)
{
found = 1;
break;
}
}
}
if ( (found == 0) && (celldef->cd_name != NULL) )
{
if (dolist)
#ifdef MAGIC_WRAPPER
Tcl_AppendElement(magicinterp, celldef->cd_name);
#else
TxPrintf("%s ", celldef->cd_name);
#endif
else
TxPrintf(" %s\n", celldef->cd_name);
}
}
}
}
break;
default:
/*
* Check to see if a cell name was specified. If not,
* search for selected cells.
*/
if (CellName == NULL)
{
found = 0;
HashStartSearch(&hs);
while( (entry = HashNext(&dbCellDefTable, &hs)) != NULL)
{
celldef = (CellDef *) HashGetValue(entry);
if (celldef != (CellDef *) NULL)
{
for (celluse = celldef->cd_parents;
celluse != (CellUse *) NULL;
celluse = celluse->cu_nextuse)
{
if (celluse->cu_parent == SelectDef)
{
dbCellPrintInfo(celldef, who, dolist);
found = 1;
break;
}
}
}
}
if (found == 0)
{
if (!dolist)
TxPrintf("No cells selected.\n");
}
}
else
{
celldef = DBCellLookDef(CellName);
if (celldef == (CellDef *) NULL)
{
if (dolist)
#ifdef MAGIC_WRAPPER
Tcl_AppendElement(magicinterp, "0");
#else
TxPrintf("Not loaded\n");
#endif
else
TxError("Cell %s is not currently loaded.\n", CellName);
}
else
{
dbCellPrintInfo(celldef, who, dolist);
}
}
break;
} /* endswitch */
}
/*
* ----------------------------------------------------------------------------
*
* dbUsePrintInfo --
*
* This is the working function for DBUsePrint.
*
* Results:
* None (Tcl returns list if "dolist" is true in magic Tcl version).
*
* Side effects:
* Stuff is printed.
*
* ----------------------------------------------------------------------------
*/
void
dbUsePrintInfo(StartUse, who, dolist)
CellUse *StartUse;
int who;
bool dolist;
{
CellDef *celldef;
CellUse *celluse;
char *cu_name;
HashSearch hs;
HashEntry *entry;
int dbCellUsePrintFunc();
/* fprintf(stderr, "dbCellUseInfo called with %s, %d, %s\n",
* StartUse->cu_id == NULL ? "(unnamed)" : StartUse->cu_id,
* who, (dolist) ? "list" : "no list" );
* fflush(stderr);
*/
switch (who) {
case SELF:
if (StartUse->cu_id == NULL)
{
if (dolist)
#ifdef MAGIC_WRAPPER
Tcl_AppendElement(magicinterp, "1");
#else
TxPrintf("TRUE\n");
#endif
else
TxPrintf("Use is currently loaded.\n");
}
else
{
cu_name = dbGetUseName(StartUse);
if (dolist)
#ifdef MAGIC_WRAPPER
Tcl_AppendElement(magicinterp, cu_name);
#else
TxPrintf("%s\n", cu_name);
#endif
else
TxPrintf("Use %s is currently loaded.\n", cu_name);
freeMagic(cu_name);
}
break;
case OTHER:
if (StartUse->cu_def->cd_name == NULL)
{
if (dolist)
#ifdef MAGIC_WRAPPER
Tcl_AppendElement(magicinterp, "0");
#else
TxPrintf("FALSE\n");
#endif
else
TxPrintf("Cell definition has no name.\n");
}
else
{
if (dolist)
#ifdef MAGIC_WRAPPER
Tcl_AppendElement(magicinterp, StartUse->cu_def->cd_name);
#else
TxPrintf("%s\n", StartUse->cu_def->cd_name);
#endif
else
TxPrintf("Cell definition is %s.\n", StartUse->cu_def->cd_name);
}
break;
case PARENTS:
/*
*
* Print out a list of all the parents by scanning the 'use' list.
*
*/
if (StartUse->cu_id == NULL && (!dolist))
{
TxPrintf("Use's parent is:\n");
}
else if (!dolist)
{
cu_name = dbGetUseName(StartUse);
TxPrintf("Use %s's parent is:\n", cu_name);
freeMagic(cu_name);
}
if (StartUse->cu_parent != (CellDef *) NULL)
{
if ((StartUse->cu_parent->cd_flags & CDINTERNAL)
!= CDINTERNAL)
{
if (dolist)
#ifdef MAGIC_WRAPPER
Tcl_AppendElement(magicinterp,
StartUse->cu_parent->cd_name);
#else
TxPrintf("%s ", StartUse->cu_parent->cd_name);
#endif
else
TxPrintf(" %s\n", StartUse->cu_parent->cd_name);
}
}
break;
case CHILDREN:
/*
*
* Print out a list of all the children by checking all the cells.
*
*/
if (StartUse->cu_id == NULL && (!dolist))
{
TxPrintf("Use's children are:\n");
}
else if (!dolist)
{
cu_name = dbGetUseName(StartUse);
TxPrintf("Use %s's children are:\n", cu_name);
freeMagic(cu_name);
}
celldef = StartUse->cu_def;
HashStartSearch(&hs);
while ((entry = HashNext(&celldef->cd_idHash, &hs)) != NULL)
{
celluse = (CellUse *)HashGetValue(entry);
if (celluse != (CellUse *)NULL)
dbCellUsePrintFunc(celluse, &dolist);
}
break;
} /* endswitch */
}
/*
* ----------------------------------------------------------------------------
*
* DBUsePrint --
*
* This routine prints out cell use names.
*
* Results:
* None.
*
* Side effects:
* Stuff is printed.
*
* Notes: "who" takes one of the options defined in database.h:
* PARENTS, CHILDREN, SELF, OTHER, or ALLCELLS.
* "SELF" lists instance names (most useful to list the name of
* a selected instance). "OTHER" lists the celldef name of the
* instance.
*
* CellName should be referenced either to the current edit cell,
* if it is not a hierarchical name; otherwise, if it is a
* hierarchical name, the instance before the last '/' is mapped
* to its cellDef, and that cellDef is searched for the indicated
* instance.
*
* ----------------------------------------------------------------------------
*/
void
DBUsePrint(CellName, who, dolist)
char *CellName;
int who;
bool dolist;
{
int found;
HashSearch hs;
HashEntry *entry;
CellDef *celldef;
CellUse *celluse;
char *lasthier;
int dbCellUsePrintFunc();
if ((CellName != NULL) && ((lasthier = strrchr(CellName, '/')) != NULL))
{
char *prevhier;
*lasthier = '\0';
prevhier = strrchr(CellName, '/');
if (prevhier == NULL)
prevhier = CellName;
else
prevhier++;
celldef = DBCellLookDef(CellName);
*lasthier = '/';
}
else
{
/* Referenced cellDef is the current edit def */
celldef = EditCellUse->cu_def;
}
switch (who)
{
case ALLCELLS:
/*
* Print the name of all the 'known' cell uses (hierarchical names).
*/
break;
default:
/*
*
* Check to see if a cell name was specified. If not,
* search for selected cells.
*
*/
if (CellName == NULL)
{
found = 0;
HashStartSearch(&hs);
while( (entry = HashNext(&dbCellDefTable, &hs)) != NULL)
{
celldef = (CellDef *) HashGetValue(entry);
if (celldef != (CellDef *) NULL)
{
for (celluse = celldef->cd_parents;
celluse != (CellUse *) NULL;
celluse = celluse->cu_nextuse)
{
if (celluse->cu_parent == SelectDef)
{
dbUsePrintInfo(celluse, who, dolist);
found = 1;
}
}
}
}
if (found == 0)
if (!dolist)
TxPrintf("No cells selected.\n");
}
else
{
celluse = DBFindUse(CellName, celldef);
if (celluse == NULL)
{
if (!dolist)
TxError("Cell %s is not currently loaded.\n", CellName);
}
else
{
dbUsePrintInfo(celluse, who, dolist);
}
}
break;
} /* endswitch */
}
int
dbCellUsePrintFunc(cellUse, dolist)
CellUse *cellUse;
bool *dolist;
{
char *cu_name;
if (cellUse->cu_id != NULL)
{
cu_name = dbGetUseName(cellUse);
if (*dolist)
#ifdef MAGIC_WRAPPER
Tcl_AppendElement(magicinterp, cu_name);
#else
TxPrintf("%s ", cu_name);
#endif
else
TxPrintf(" %s\n", cu_name);
freeMagic(cu_name);
}
return 0;
}
/*
* dbLockUseFunc()
*/
int
dbLockUseFunc(selUse, use, transform, data)
CellUse *selUse; /* Use from selection cell */
CellUse *use; /* Use from layout corresponding to selection */
Transform *transform;
ClientData data;
{
bool dolock = *((bool *)data);
if (EditCellUse && !DBIsChild(use, EditCellUse))
{
TxError("Cell %s (%s) isn't a child of the edit cell.\n",
use->cu_id, use->cu_def->cd_name);
return 0;
}
if ((dolock && (use->cu_flags & CU_LOCKED)) ||
(!dolock && !(use->cu_flags & CU_LOCKED)))
return 0; /* nothing to do */
if (UndoIsEnabled()) DBUndoCellUse(use, UNDO_CELL_LOCKDOWN);
if (dolock) use->cu_flags |= CU_LOCKED;
else use->cu_flags &= ~CU_LOCKED;
if (UndoIsEnabled()) DBUndoCellUse(use, UNDO_CELL_LOCKDOWN);
if (selUse != NULL)
{
if (dolock) selUse->cu_flags |= CU_LOCKED;
else selUse->cu_flags &= ~CU_LOCKED;
}
DBWAreaChanged(use->cu_parent, &use->cu_bbox,
(int) ~(use->cu_expandMask), &DBAllButSpaceBits);
DBWHLRedraw(EditRootDef, &selUse->cu_bbox, TRUE);
return 0;
}
/*
* ----------------------------------------------------------------------------
*
* DBLockUse --
*
* This routine sets or clears a cell instance's lock flag
*
* Results:
* None.
*
* Side effects:
* cu_flags changed for indicated cell use.
*
* ----------------------------------------------------------------------------
*/
void
DBLockUse(UseName, bval)
char *UseName;
bool bval;
{
int found;
HashSearch hs;
HashEntry *entry;
CellDef *celldef;
CellUse *celluse;
int dbUseLockFunc();
/*
*
* Check to see if a cell name was specified. If not,
* search for selected cells.
*
*/
if (UseName == NULL)
{
if (EditCellUse == NULL)
TxError("Cannot set lock in a non-edit cell!\n");
else
SelEnumCells(TRUE, (int *)NULL, (SearchContext *)NULL,
dbLockUseFunc, (ClientData)&bval);
}
else
{
SearchContext scx;
bzero(&scx, sizeof(SearchContext));
found = 0;
HashStartSearch(&hs);
while( (entry = HashNext(&dbCellDefTable, &hs)) != NULL)
{
celldef = (CellDef *) HashGetValue(entry);
if (celldef != (CellDef *) NULL)
{
celluse = celldef->cd_parents; /* only need one */
if (celluse != (CellUse *)NULL) {
DBTreeFindUse(UseName, celluse, &scx);
if (scx.scx_use != NULL) break;
}
}
}
if (scx.scx_use == NULL)
TxError("Cell %s is not currently loaded.\n", UseName);
else
dbLockUseFunc(NULL, scx.scx_use, NULL, (ClientData)&bval);
}
}
/*
* ----------------------------------------------------------------------------
*
* DBCellLookDef --
*
* Find the definition of the cell with the given name.
*
* Results:
* Returns a pointer to the CellDef with the given name if it
* exists. Otherwise, returns (CellDef *) NULL.
*
* Side effects:
* None.
* ----------------------------------------------------------------------------
*/
CellDef *
DBCellLookDef(cellName)
char *cellName;
{
HashEntry *entry;
entry = HashFind(&dbCellDefTable, cellName);
return ((CellDef *) HashGetValue(entry));
}
/*
* ----------------------------------------------------------------------------
*
* DBCellNewDef --
*
* Create a new cell definition with the given name. There must not
* be any cells already known with the same name.
*
* Results:
* Returns a pointer to the newly created CellDef. The CellDef
* is completely initialized, showing no uses and having all
* tile planes initialized via TiNewPlane() to contain a single
* space tile. The filename associated with the cell is set to
* the name supplied, but no attempt is made to open it or create
* it.
*
* If the cellName supplied is NULL, the cell is entered into
* the symbol table with a name of UNNAMED.
*
* Returns NULL if a cell by the given name already exists.
*
* Side effects:
* The name of the CellDef is entered into the symbol table
* of known cells.
*
* ----------------------------------------------------------------------------
*/
CellDef *
DBCellNewDef(cellName)
char *cellName; /* Name by which the cell is known */
{
CellDef *cellDef;
HashEntry *entry;
char *dotptr;
if (cellName == (char *) NULL)
cellName = UNNAMED;
entry = HashFind(&dbCellDefTable, cellName);
if (HashGetValue(entry) != (ClientData) NULL)
return ((CellDef *) NULL);
cellDef = DBCellDefAlloc();
HashSetValue(entry, (ClientData) cellDef);
cellDef->cd_name = StrDup((char **) NULL, cellName);
/* Strip any .mag extension off of the cell name */
dotptr = strrchr(cellDef->cd_name, '.');
if (dotptr && !strcmp(dotptr, ".mag")) *dotptr = '\0';
cellDef->cd_file = NULL;
return (cellDef);
}
/*
* ----------------------------------------------------------------------------
*
* DBCellDefAlloc --
*
* Create a new cell definition structure. The new def is not added
* to any symbol tables.
*
* Results:
* Returns a pointer to the newly created CellDef. The CellDef
* is completely initialized, showing no uses and having all
* tile planes initialized via TiNewPlane() to contain a single
* space tile.
*
* Side effects:
* None.
*
* ----------------------------------------------------------------------------
*/
CellDef *
DBCellDefAlloc()
{
CellDef *cellDef;
int pNum;
cellDef = (CellDef *) mallocMagic((unsigned) (sizeof (CellDef)));
cellDef->cd_flags = 0;
cellDef->cd_bbox.r_xbot = 0;
cellDef->cd_bbox.r_ybot = 0;
cellDef->cd_bbox.r_xtop = 1;
cellDef->cd_bbox.r_ytop = 1;
cellDef->cd_extended = cellDef->cd_bbox;
cellDef->cd_name = (char *) NULL;
cellDef->cd_file = (char *) NULL;
#ifdef FILE_LOCKS
cellDef->cd_fd = -1;
#endif
cellDef->cd_parents = (CellUse *) NULL;
cellDef->cd_labels = (Label *) NULL;
cellDef->cd_lastLabel = (Label *) NULL;
cellDef->cd_client = (ClientData) 0;
cellDef->cd_props = (ClientData) NULL;
cellDef->cd_timestamp = 0;
TTMaskZero(&cellDef->cd_types);
HashInit(&cellDef->cd_idHash, 16, HT_STRINGKEYS);
cellDef->cd_cellPlane = BPNew();
cellDef->cd_planes[PL_ROUTER] = DBNewPlane((ClientData) NULL);
for (pNum = PL_PAINTBASE; pNum < DBNumPlanes; pNum++)
cellDef->cd_planes[pNum] = DBNewPlane((ClientData) TT_SPACE);
/* Definitively zero out all other plane entries */
for (pNum = DBNumPlanes; pNum < MAXPLANES; pNum++)
cellDef->cd_planes[pNum] = NULL;
return (cellDef);
}
/*
* ----------------------------------------------------------------------------
*
* DBCellNewUse --
*
* Create a new cell use of the supplied CellDef.
*
* Results:
* Returns a pointer to the new CellUse. The CellUse is initialized
* to reflect that cellDef is its definition. The transform is
* initialized to the identity, and the parent pointer initialized
* to NULL.
*
* Side effects:
* Updates the use list for cellDef.
*
* ----------------------------------------------------------------------------
*/
CellUse *
DBCellNewUse(cellDef, useName)
CellDef *cellDef; /* Pointer to definition of the cell */
char *useName; /* Pointer to use identifier for the cell. This may
* be NULL, in which case a unique use identifier is
* generated automatically when the cell use is linked
* into a parent def.
*/
{
CellUse *cellUse;
cellUse = (CellUse *) mallocMagic((unsigned) (sizeof (CellUse)));
cellUse->cu_id = StrDup((char **) NULL, useName);
cellUse->cu_flags = (unsigned char)0;
cellUse->cu_expandMask = 0;
cellUse->cu_transform = GeoIdentityTransform;
cellUse->cu_def = cellDef;
cellUse->cu_parent = (CellDef *) NULL;
cellUse->cu_xlo = 0;
cellUse->cu_ylo = 0;
cellUse->cu_xhi = 0;
cellUse->cu_yhi = 0;
cellUse->cu_xsep = 0;
cellUse->cu_ysep = 0;
cellUse->cu_nextuse = cellDef->cd_parents;
/* Initial client field */
/* (commands can use this field for whatever
* they like, but should restore its value to CLIENTDEFAULT before exiting.)
*/
cellUse->cu_client = (ClientData) CLIENTDEFAULT;
cellDef->cd_parents = cellUse;
DBComputeUseBbox(cellUse);
return (cellUse);
}
/*
* ----------------------------------------------------------------------------
*
* DBCellRenameDef --
*
* Renames the indicated CellDef.
*
* Results:
* TRUE if successful, FALSE if the new name was not unique.
*
* Side effects:
* The name of the CellDef is entered into the symbol table
* of known cells. The CDMODIFIED bit is set in the flags
* of each of the parents of the CellDef to force them to
* be written out using the new name.
*
* ----------------------------------------------------------------------------
*/
bool
DBCellRenameDef(cellDef, newName)
CellDef *cellDef; /* Pointer to CellDef being renamed */
char *newName; /* Pointer to new name */
{
HashEntry *oldEntry, *newEntry;
CellUse *parent;
oldEntry = HashFind(&dbCellDefTable, cellDef->cd_name);
ASSERT(HashGetValue(oldEntry) == (ClientData) cellDef, "DBCellRenameDef");
newEntry = HashFind(&dbCellDefTable, newName);
if (HashGetValue(newEntry) != (ClientData) NULL)
return (FALSE);
HashSetValue(oldEntry, (ClientData) NULL);
HashSetValue(newEntry, (ClientData) cellDef);
(void) StrDup(&cellDef->cd_name, newName);
for (parent = cellDef->cd_parents; parent; parent = parent->cu_nextuse)
if (parent->cu_parent)
parent->cu_parent->cd_flags |= CDMODIFIED|CDGETNEWSTAMP;
return (TRUE);
}
/*
* ----------------------------------------------------------------------------
*
* DBCellDeleteDef --
*
* Removes the CellDef from the symbol table of known CellDefs and
* frees the storage allocated to the CellDef. The CellDef must have
* no CellUses.
*
* Results:
* TRUE if successful, FALSE if there were any outstanding
* CellUses found.
*
* Side effects:
* The CellDef is removed from the table of known CellDefs.
* All storage for the CellDef and its tile planes is freed.
*
* ----------------------------------------------------------------------------
*/
bool
DBCellDeleteDef(cellDef)
CellDef *cellDef; /* Pointer to CellDef to be deleted */
{
HashEntry *entry;
if (cellDef->cd_parents != (CellUse *) NULL)
return (FALSE);
entry = HashFind(&dbCellDefTable, cellDef->cd_name);
ASSERT(HashGetValue(entry) == (ClientData) cellDef, "DBCellDeleteDef");
HashSetValue(entry, (ClientData) NULL);
if (cellDef->cd_props)
DBPropClearAll(cellDef);
/* Need to check the DRC pending queue, and remove */
/* this cell if it's there. */
DRCRemovePending(cellDef);
DBCellDefFree(cellDef);
return TRUE;
}
/*
* ----------------------------------------------------------------------------
*
* DBCellDefFree --
*
* Does all the dirty work of freeing up stuff inside a celldef.
*
* Results:
* None.
*
* Side effects:
* All memory associated with the cellDef is freed. This may
* cause lower-level cellUses and defs to be freed up. This
* procedure is separated from DBDeleteCellDef so that it can
* be used for cells that aren't in the hash table (e.g. cells
* used by the window manager).
*
* ----------------------------------------------------------------------------
*/
void
DBCellDefFree(cellDef)
CellDef *cellDef;
{
int pNum;
Label *lab;
if (cellDef->cd_file != (char *) NULL)
freeMagic(cellDef->cd_file);
if (cellDef->cd_name != (char *) NULL)
freeMagic(cellDef->cd_name);
/*
* We want the following searching to be non-interruptible
* to guarantee that all storage gets freed.
*/
SigDisableInterrupts();
DBClearCellPlane(cellDef); /* Remove instances only */
BPFree(cellDef->cd_cellPlane); /* Remove the cell plane itself */
TiFreePlane(cellDef->cd_planes[PL_ROUTER]);
for (pNum = PL_PAINTBASE; pNum < DBNumPlanes; pNum++)
{
DBFreePaintPlane(cellDef->cd_planes[pNum]);
TiFreePlane(cellDef->cd_planes[pNum]);
cellDef->cd_planes[pNum] = (Plane *) NULL;
}
for (lab = cellDef->cd_labels; lab; lab = lab->lab_next)
freeMagic((char *) lab);
SigEnableInterrupts();
HashKill(&cellDef->cd_idHash);
freeMagic((char *) cellDef);
}
/*
* ----------------------------------------------------------------------------
*
* DBCellDeleteUse --
*
* Frees the storage allocated to the CellUse.
*
* It is required that the CellUse has been removed from any CellTileBodies
* in the subcell plane of its parent. The parent pointer for this
* CellUse must therefore be NULL.
*
* Results:
* TRUE if the CellUse was successfully removed, FALSE if
* the parent pointer were not NULL.
*
* Side effects:
* All storage for the CellUse is freed.
* The list of all CellUses associated with a given CellDef is
* updated to reflect the absence of the deleted CellUse.
*
* ----------------------------------------------------------------------------
*/
bool
DBCellDeleteUse(cellUse)
CellUse *cellUse; /* Pointer to CellUse to be deleted */
{
CellDef *cellDef;
CellUse *useptr;
if (cellUse->cu_parent != (CellDef *) NULL)
return (FALSE);
cellDef = cellUse->cu_def;
if (cellUse->cu_id != (char *) NULL)
freeMagic(cellUse->cu_id);
cellUse->cu_id = (char *) NULL;
cellUse->cu_def = (CellDef *) NULL;
ASSERT(cellDef->cd_parents != (CellUse *) NULL, "DBCellDeleteUse");
if (cellDef->cd_parents == cellUse)
cellDef->cd_parents = cellUse->cu_nextuse;
else for (useptr = cellDef->cd_parents; useptr != NULL;
useptr = useptr->cu_nextuse)
{
if (useptr->cu_nextuse == cellUse)
{
useptr->cu_nextuse = cellUse->cu_nextuse;
break;
}
}
freeMagic((char *) cellUse);
return (TRUE);
}
/*
* ----------------------------------------------------------------------------
*
* DBCellSrDefs --
*
* Search for all cell definitions matching a given pattern.
* For each cell definition whose flag word contains any of the
* bits in pattern, the supplied procedure is invoked.
*
* The procedure should be of the following form:
* int
* func(cellDef, cdata)
* CellDef *cellDef;
* ClientData cdata;
* {
* }
* Func should normally return 0. If it returns 1 then the
* search is aborted.
*
* Results:
* Returns 1 if the search completed normally, 1 if it aborted.
*
* Side effects:
* Whatever the user-supplied procedure does.
*
* ----------------------------------------------------------------------------
*/
int
DBCellSrDefs(pattern, func, cdata)
int pattern; /* Used for selecting cell definitions. If any
* of the bits in the pattern are in a def->cd_flags,
* or if pattern is 0, the user-supplied function
* is invoked.
*/
int (*func)(); /* Function to be applied to each matching CellDef */
ClientData cdata; /* Client data also passed to function */
{
HashSearch hs;
HashEntry *he;
CellDef *cellDef;
HashStartSearch(&hs);
while ((he = HashNext(&dbCellDefTable, &hs)) != (HashEntry *) NULL)
{
cellDef = (CellDef *) HashGetValue(he);
if (cellDef == (CellDef *) NULL)
continue;
if ((pattern != 0) && !(cellDef->cd_flags & pattern))
continue;
if ((*func)(cellDef, cdata)) return 1;
}
return 0;
}
/*
* ----------------------------------------------------------------------------
*
* DBLinkCell --
*
* Set the cu_id for the supplied CellUse appropriately for linking into
* the parent CellDef. If the cu_id is NULL, a cu_id unique within the
* CellDef is automatically generated and stored in cu_id; otherwise, the
* one supplied in cu_id is used.
*
* *** WARNING ***
*
* This operation is not recorded on the undo list, as it always accompanies
* the creation of a new cell use.
*
* Results:
* TRUE if the CellUse is unique within the parent CellDef, FALSE
* if there would be a name conflict. If the cu_id of the CellUse
* is NULL, TRUE is always returned; FALSE is only returned if
* there is an existing name which would conflict with names already
* present in the CellUse.
*
* Side effects:
* Will set cu_id to an automatically generated instance id if
* it was originally NULL.
*
* ----------------------------------------------------------------------------
*/
bool
DBLinkCell(use, parentDef)
CellUse *use;
CellDef *parentDef;
{
char useId[100], *lastName;
HashEntry *he;
int n;
if (use->cu_id)
{
if (DBFindUse(use->cu_id, parentDef))
return FALSE;
DBSetUseIdHash(use, parentDef);
return TRUE;
}
HashInit(&dbUniqueNameTable, 32, 0); /* Indexed by use-id */
/*
* Uses can't contain slashes (otherwise they'd interfere with
* terminal naming conventions). If the cellName has a slash,
* just use the part of it after the last slash.
*/
lastName = strrchr(use->cu_def->cd_name, '/');
if (lastName == NULL) lastName = use->cu_def->cd_name;
else lastName++;
/* This search must not be interrupted */
SigDisableInterrupts();
(void) DBCellEnum(parentDef, dbLinkFunc, (ClientData) lastName);
SigEnableInterrupts();
/* This loop terminates only when an empty useid is found */
/* This loop should *not* terminate on interrupt, because */
/* lots of code relies on a NULL cu_id being passed to ensure */
/* that the cell gets linked in. */
for (n = 0;; n++)
{
(void) sprintf(useId, "%s_%d", lastName, n);
he = HashLookOnly(&dbUniqueNameTable, useId);
if (he == (HashEntry *) NULL)
{
HashKill(&dbUniqueNameTable);
use->cu_id = StrDup((char **) NULL, useId);
DBSetUseIdHash(use, parentDef);
return (TRUE);
}
}
/* Never gets here */
/* HashKill(&dbUniqueNameTable); */
/* return (FALSE); */
}
/*
* dbLinkFunc --
*
* Filter function called via DBCellEnum by DBLinkCell above.
* Creates an entry in the hash table dbUniqueNameTable to
* indicate that the name "defname_#" is not available.
*/
int
dbLinkFunc(cellUse, defname)
CellUse *cellUse;
char *defname;
{
char *usep = cellUse->cu_id;
/* Skip in the unlikely event that this cell has no use-id */
if (usep == (char *) NULL)
return (0);
/*
* Only add names whose initial part matches 'defname',
* and which are of the form 'defname_something'.
*/
while (*defname)
if (*defname++ != *usep++)
return 0;
if (*usep++ != '_') return 0;
if (*usep == '\0') return 0;
/* Remember this name as being in use */
(void) HashFind(&dbUniqueNameTable, cellUse->cu_id);
return 0;
}
/*
* ----------------------------------------------------------------------------
*
* DBReLinkCell --
*
* Change the instance id of the supplied CellUse.
* If the instance id is non-NULL, and the new id is the same
* as the old one, we do nothing.
*
* Results:
* Returns TRUE if successful, FALSE if the new name was not
* unique within the parent def.
*
* Side effects:
* May modify the cu_id of the supplied CellUse.
* Marks the parent of the cell use as having been modified.
* ----------------------------------------------------------------------------
*/
bool
DBReLinkCell(cellUse, newName)
CellUse *cellUse;
char *newName;
{
if (cellUse->cu_id && strcmp(cellUse->cu_id, newName) == 0)
return (TRUE);
if (DBFindUse(newName, cellUse->cu_parent))
return (FALSE);
if (cellUse->cu_parent)
cellUse->cu_parent->cd_flags |= CDMODIFIED;
/* Old id (may be NULL) */
if (cellUse->cu_id)
DBUnLinkCell(cellUse, cellUse->cu_parent);
if (UndoIsEnabled()) DBUndoCellUse(cellUse, UNDO_CELL_CLRID);
/* New id */
(void) StrDup(&cellUse->cu_id, newName);
DBSetUseIdHash(cellUse, cellUse->cu_parent);
if (UndoIsEnabled()) DBUndoCellUse(cellUse, UNDO_CELL_SETID);
return (TRUE);
}
/*
* ----------------------------------------------------------------------------
*
* DBFindUse --
*
* Find a CellUse with the given name in the supplied parent CellDef.
*
* Results:
* Returns a pointer to the found CellUse, or NULL if it was not
* found.
*
* Side effects:
* None.
*
* ----------------------------------------------------------------------------
*/
CellUse *
DBFindUse(id, parentDef)
char *id;
CellDef *parentDef;
{
HashEntry *he;
char *delimit;
/* Sanity checks */
if (id == NULL) return NULL;
if (parentDef == NULL) return NULL;
/* Array delimiters should be ignored */
if ((delimit = strrchr(id, '[')) != NULL) *delimit = '\0';
he = HashLookOnly(&parentDef->cd_idHash, id);
if (delimit != NULL) *delimit = '[';
if (he == NULL)
return (CellUse *) NULL;
return (CellUse *) HashGetValue(he);
}
/*
* ----------------------------------------------------------------------------
*
* DBGenerateUniqueIds --
*
* Make certain that the use-id of each CellUse under 'def' is unique
* if it exists. If duplicates are detected, all but one is freed and
* set to NULL.
*
* The second pass consists of giving each CellUse beneath 'def' with
* a NULL use-id a uniquely generated one.
*
* Results:
* None.
*
* Side effects:
* May modify the use-id's of the cells in the cell plane of 'def'.
* Prints error messages if use-ids had to be reassigned.
*
* ----------------------------------------------------------------------------
*/
void
DBGenerateUniqueIds(def, warn)
CellDef *def;
bool warn; /* If TRUE, warn user when we assign new ids */
{
int dbFindNamesFunc();
int dbGenerateUniqueIdsFunc();
dbWarnUniqueIds = warn;
HashInit(&dbUniqueDefTable, 32, 1); /* Indexed by (CellDef *) */
HashInit(&dbUniqueNameTable, 32, 0); /* Indexed by use-id */
/* Build up tables of names, complaining about duplicates */
(void) DBCellEnum(def, dbFindNamesFunc, (ClientData) def);
/* Assign unique use-ids to all cells */
(void) DBCellEnum(def, dbGenerateUniqueIdsFunc, (ClientData) def);
HashKill(&dbUniqueDefTable);
HashKill(&dbUniqueNameTable);
}
/*
* ----------------------------------------------------------------------------
*
* dbFindNamesFunc --
*
* Called via DBCellEnum() on behalf of DBGenerateUniqueIds() above,
* for each subcell of the def just processed. If any cell has a
* use-id, we add it to our table of in-use names (dbUniqueNameTable).
*
* Results:
* Returns 0 always.
*
* Side effects:
* If the name already is in the table, free this cell's use-id
* and set it to NULL. In any event, add the name to the table.
*
* ----------------------------------------------------------------------------
*/
int
dbFindNamesFunc(use, parentDef)
CellUse *use;
CellDef *parentDef;
{
HashEntry *he;
if (use->cu_id)
{
he = HashFind(&dbUniqueNameTable, use->cu_id);
if (HashGetValue(he))
{
TxError("Duplicate instance-id for cell %s (%s) will be renamed\n",
use->cu_def->cd_name, use->cu_id);
DBUnLinkCell(use, parentDef);
freeMagic(use->cu_id);
use->cu_id = (char *) NULL;
}
HashSetValue(he, use);
}
return (0);
}
/*
* ----------------------------------------------------------------------------
*
* dbGenerateUniqueIdsFunc --
*
* Called via DBCellEnum() on behalf of DBGenerateUniqueIds() above,
* for each subcell of the def just processed. If the cell has no
* use-id, we generate one automatically. In any event, install the
* use identifier for each cell processed in the HashTable
* parentDef->cd_idHash.
*
* Algorithm:
* We generate unique use-id's of the form def_# where #
* is an integer such that no other use-id in this cell has
* the same name. The HashTable dbUniqueDefTable is indexed
* by CellDef and contains the highest sequence number (#
* above) processed for that CellDef. Each time we process
* a cell, we start with this sequence number and continue
* to increment it until we find a name that is not in
* calmaNamesTable, then generate the use-id, and store
* the next sequence number in the HashEntry for the CellDef.
*
* Results:
* Returns 0 always.
*
* Side effects:
* See above.
*
* ----------------------------------------------------------------------------
*/
int
dbGenerateUniqueIdsFunc(use, parentDef)
CellUse *use;
CellDef *parentDef;
{
HashEntry *hedef, *hename;
int suffix;
char name[1024];
if (use->cu_id)
goto setHash;
hedef = HashFind(&dbUniqueDefTable, (char *) use->cu_def);
for (suffix = (spointertype) HashGetValue(hedef); ; suffix++)
{
(void) sprintf(name, "%s_%d", use->cu_def->cd_name, suffix);
hename = HashLookOnly(&dbUniqueNameTable, name);
if (hename == NULL)
break;
}
if (dbWarnUniqueIds)
TxPrintf("Setting instance-id of cell %s to %s\n",
use->cu_def->cd_name, name);
use->cu_id = StrDup((char **) NULL, name);
HashSetValue(hedef, (spointertype)suffix + 1);
setHash:
DBSetUseIdHash(use, parentDef);
return (0);
}
/*
* ----------------------------------------------------------------------------
*
* DBSetUseIdHash --
*
* Update the use-id hash table in parentDef to reflect the fact
* that 'use' now has instance-id use->cu_id.
*
* Results:
* None.
*
* Side effects:
* See above.
*
* ----------------------------------------------------------------------------
*/
void
DBSetUseIdHash(use, parentDef)
CellUse *use;
CellDef *parentDef;
{
HashEntry *he;
he = HashFind(&parentDef->cd_idHash, use->cu_id);
HashSetValue(he, (ClientData) use);
}
/*
* ----------------------------------------------------------------------------
*
* DBUnLinkCell --
*
* Update the use-id hash table in parentDef to reflect the fact
* that 'use' no longer is known by instance-id use->cu_id.
*
* Results:
* None.
*
* Side effects:
* See above.
*
* ----------------------------------------------------------------------------
*/
void
DBUnLinkCell(use, parentDef)
CellUse *use;
CellDef *parentDef;
{
HashEntry *he;
if (he = HashLookOnly(&parentDef->cd_idHash, use->cu_id))
HashSetValue(he, (ClientData) NULL);
}
/*
* ----------------------------------------------------------------------------
*
* DBNewYank --
*
* Create a new yank buffer with name 'yname'.
*
* Results:
* None.
*
* Side effects:
* Fills in *pydef with a newly created CellDef by that name, and
* *pyuse with a newly created CellUse pointing to the new def.
* The CellDef pointed to by *pydef has the CD_INTERNAL flag
* set, and is marked as being available.
*
* ----------------------------------------------------------------------------
*/
void
DBNewYank(yname, pyuse, pydef)
char *yname; /* Name of yank buffer */
CellUse **pyuse; /* Pointer to new cell use is stored in *pyuse */
CellDef **pydef; /* Similarly for def */
{
*pydef = DBCellLookDef(yname);
if (*pydef == (CellDef *) NULL)
{
*pydef = DBCellNewDef(yname);
ASSERT(*pydef != (CellDef *) NULL, "DBNewYank");
DBCellSetAvail(*pydef);
(*pydef)->cd_flags |= CDINTERNAL;
}
*pyuse = DBCellNewUse(*pydef, (char *) NULL);
DBSetTrans(*pyuse, &GeoIdentityTransform);
(*pyuse)->cu_expandMask = CU_DESCEND_SPECIAL; /* This is always expanded. */
}
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