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Extended the "cellname rename" command to add an option "-force"

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that can be used to force renaming of a read-only cell.  The
action revokes the read-only status of the cell and removes any
GDS filename and pointers from the cell's properties.  This can be
used to swap out a library cell in a layout for a custom version,
by first forcing a rename of the cell, and then resetting the
filepath of the cell and flushing.
This commit is contained in:
Tim Edwards
2021-07-29 17:34:39 -04:00
parent 55bf0ebd54
commit 07e366ad8a
3 changed files with 40 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files
database/DBcellname.c
+32 -4
View File
@@ -77,7 +77,10 @@ extern void DBSetUseIdHash();
*
* 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.
* marked as modified. If "doforce" is TRUE, then allow renaming
* of vendor (read-only) cells. Because vendor cells are tied to
* a GDS file, then the vendor status gets revoked and the pointer
* to the GDS file gets removed.
*
* Results:
* Return TRUE if the cell was successfully renamed. Return FALSE
@@ -89,9 +92,10 @@ extern void DBSetUseIdHash();
* ----------------------------------------------------------------------------
*/
bool
DBCellRename(cellname, newname)
DBCellRename(cellname, newname, doforce)
char *cellname;
char *newname;
bool doforce;
{
HashEntry *entry;
CellDef *celldef;
@@ -119,8 +123,16 @@ DBCellRename(cellname, newname)
if ((celldef->cd_flags & CDVENDORGDS) == CDVENDORGDS)
{
TxError("Error: Attempt to rename read-only cell \"%s\"\n", cellname);
return FALSE;
if (doforce)
{
TxPrintf("Warning: Renaming read-only cell \"%s\"\n", cellname);
TxPrintf("Read-only status will be revoked and GDS file pointer removed.\n");
}
else
{
TxError("Error: Attempt to rename read-only cell \"%s\"\n", cellname);
return FALSE;
}
}
/* Good to go! */
@@ -129,6 +141,22 @@ DBCellRename(cellname, newname)
result = DBCellRenameDef(celldef, newname);
DBWAreaChanged(celldef, &celldef->cd_bbox, DBW_ALLWINDOWS,
(TileTypeBitMask *) NULL);
if (doforce && ((celldef->cd_flags & CDVENDORGDS) == CDVENDORGDS))
{
char *chkgdsfile;
bool isReadOnly;
chkgdsfile = (char *)DBPropGet(celldef, "GDS_FILE", &isReadOnly);
/* Note that clearing GDS_FILE will also clear CDVENDORGDS flag */
if (isReadOnly) DBPropPut(celldef, "GDS_FILE", NULL);
DBPropGet(celldef, "GDS_START", &isReadOnly);
if (isReadOnly) DBPropPut(celldef, "GDS_START", NULL);
DBPropGet(celldef, "GDS_END", &isReadOnly);
if (isReadOnly) DBPropPut(celldef, "GDS_END", NULL);
}
UndoEnable();
return result;
}