File size: 1,685 Bytes
784ee2c | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 | # Helper function to split a string into a list of strings and numbers
proc split_strings_and_numbers { str } {
set result {}
foreach {all letters numbers} [regexp -all -inline {(\D*)(\d*)} $str] {
if { $letters ne "" } {
lappend result $letters
}
if { $numbers ne "" } {
lappend result [expr { $numbers + 0 }] ;# Convert to integer
}
}
return $result
}
# Custom comparison function
proc natural_compare { str1 str2 } {
set list1 [split_strings_and_numbers $str1]
set list2 [split_strings_and_numbers $str2]
set len [expr { min([llength $list1], [llength $list2]) }]
for { set i 0 } { $i < $len } { incr i } {
set part1 [lindex $list1 $i]
set part2 [lindex $list2 $i]
if { $part1 ne $part2 } {
if { [string is integer -strict $part1] && [string is integer -strict $part2] } {
return [expr { $part1 - $part2 }]
} else {
return [string compare $part1 $part2]
}
}
}
return [expr { [llength $list1] - [llength $list2] }] ;# If all parts are equal, compare by length
}
proc natural_sort { list } {
return [lsort -command natural_compare $list]
}
proc match_pins { regex { direction .* } { is_clock 0 } } {
set pins {}
# The regex for get_ports is not the tcl regex
foreach pin [get_ports -regex .*] {
set input [get_property $pin name]
# We want the Tcl regex
if { ![regexp $regex $input] } {
continue
}
if { ![regexp $direction [get_property $pin direction]] } {
continue
}
if { $is_clock != [sta::is_clock_src [sta::get_port_pin $pin]] } {
continue
}
lappend pins [get_property $pin name]
}
return [natural_sort $pins]
}
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