Altera SDC and TimeQuest API Manuel d'utilisateur télécharger pdf (Page 59)

Chapter 2: SDC and TimeQuest API Package and Commands 2–49

sdc_ext

get_keepers

Usage

get_keepers [-no_duplicates] [-nocase] [-nowarn] <filter>

Options

-no_duplicates: Do not match duplicated keeper names

-nocase: Specifies the matching of node names to be case-insensitive

-nowarn: Do not issue warnings messages about unmatched patterns

<filter>: Valid destinations (string patterns are matched using Tcl string matching)

Description

Returns a collection of non-combinational or "keeper" nodes in the design.

The default matching scheme returns not only non-combinational nodes whose names match the specified

filter, but also non-combinational nodes duplicated from these keepers (refers to cells are automatically

generated by Quartus from these keepers). Use the -no_duplicates option to exclude duplicated keepers.

The filter for the collection is a Tcl list of wildcards, and must follow standard Tcl or TimeQuest-extension

substitution rules. See help for the use_timequest_style_escaping command for details.

Example

project_open chiptrip

create_timimg_netlist

set kprs [get_keepers *reg*]

foreach_in_collection kpr $kprs {

puts [get_object_info -name $kpr]

}

delete_timing_netlist

project_close

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Altera SDC and TimeQuest API Manuel d'utilisateur Page 59