% set rloc [getAbsRLOC $ram0]
X33Y0
The Tcl dict command can be used to build a dictionary (associative array) of cells
and absolute grid RLOCs for the update_macro
command. A Tcl
associative array is a series of key-value pairs. The cells and RLOCs can be
arranged as such as series using the dict command. The array keys are the macro cell
objects. The array values are the cell RLOCs. This helps to automate the process of
creating macros with many cells. The following example uses the absolute grid, but
the method can be applied to the normal grid as well.
Assuming $cells
is the list of macro cells, and each cell of
$cells
has been placed to form the desired macro pattern, the
following Tcl proc creates a list of cell-RLOC pairs for the
update_macro
command.
proc buildRLOCList {cells} {
set rlocs [dict create] # initialize dictionary called rlocs
foreach cell $cells {
# dictionary key is cell, value is absolute RLOC
dict set rlocs $cell [getAbsRLOC $cell]
}
return $rlocs
}