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Sdc.tcl
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# OpenSTA, Static Timing Analyzer
# Copyright (c) 2022, Parallax Software, Inc.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
################################################################
#
# SDC commands.
# Alphabetical within groups as in the SDC spec.
#
# Argument parsing and checking is done in TCL before calling a
# SWIG interface function.
#
################################################################
namespace eval sta {
define_cmd_args "read_sdc" {[-echo] filename}
proc_redirect read_sdc {
parse_key_args "read_sdc" args keys {} flags {-echo}
check_argc_eq1 "read_sdc" $args
set echo [info exists flags(-echo)]
set filename [file nativename [lindex $args 0]]
source_ $filename $echo 0
}
################################################################
# The builtin Tcl "source" command is redefined by sta.
# This rename provides a mechanism to refer to the original TCL
# command.
# Protected so this file can be reloaded without blowing up.
if { ![info exists renamed_source] } {
rename source builtin_source
set renamed_source 1
}
set ::sta_continue_on_error 0
define_cmd_args "source" \
{[-echo] [-verbose] filename [> filename] [>> filename]}
# Override source to support -echo and return codes.
proc_redirect source {
parse_key_args "source" args keys {-encoding} flags {-echo -verbose}
if { [llength $args] != 1 } {
cmd_usage_error "source"
}
set echo [info exists flags(-echo)]
set verbose [info exists flags(-verbose)]
set filename [file nativename [lindex $args 0]]
source_ $filename $echo $verbose
}
proc source_ { filename echo verbose } {
global sta_continue_on_error
variable sdc_file
variable sdc_line
if [catch {open $filename r} stream] {
sta_error 511 "cannot open '$filename'."
} else {
if { [file extension $filename] == ".gz" } {
zlib push gunzip $stream
}
# Save file and line in recursive call to source.
if { [info exists sdc_file] } {
set sdc_file_save $sdc_file
set sdc_line_save $sdc_line
}
set sdc_file $filename
set sdc_line 1
set cmd ""
set error {}
while {![eof $stream]} {
gets $stream line
if { $line != "" } {
if {$echo} {
report_line $line
}
}
append cmd $line "\n"
if { [string index $line end] != "\\" \
&& [info complete $cmd] } {
set error {}
set error_code [catch {uplevel \#0 $cmd} result]
# cmd consumed
set cmd ""
# Flush results printed outside tcl to stdout/stderr.
fflush
switch $error_code {
0 { if { $verbose && $result != "" } { report_line $result } }
1 { set error $result }
2 { set error {invoked "return" outside of a proc.} }
3 { set error {invoked "break" outside of a loop.} }
4 { set error {invoked "continue" outside of a loop.} }
}
if { $error != {} } {
if { $sta_continue_on_error } {
# Only prepend error message with file/line once.
if { [string first "Error" $error] == 0 } {
report_line $error
} else {
report_line "Error: [file tail $sdc_file], $sdc_line $error"
}
set error {}
} else {
break
}
}
}
incr sdc_line
}
close $stream
if { $cmd != {} } {
sta_error 512 "incomplete command at end of file."
}
set error_sdc_file $sdc_file
set error_sdc_line $sdc_line
if { [info exists sdc_file_save] } {
set sdc_file $sdc_file_save
set sdc_line $sdc_line_save
} else {
unset sdc_file
unset sdc_line
}
if { $error != {} } {
# Only prepend error message with file/line once.
if { [string first "Error" $error] == 0 } {
error $error
} else {
error "Error: [file tail $error_sdc_file], $error_sdc_line $error"
}
}
}
}
################################################################
define_cmd_args "write_sdc" \
{[-map_hpins] [-digits digits] [-gzip] [-no_timestamp] filename}
proc write_sdc { args } {
parse_key_args "write_sdc" args keys {-digits -significant_digits} \
flags {-map_hpins -compatible -gzip -no_timestamp}
check_argc_eq1 "write_sdc" $args
set digits 4
if { [info exists keys(-digits)] } {
set digits $keys(-digits)
}
check_positive_integer "-digits" $digits
set filename [file nativename [lindex $args 0]]
set gzip [info exists flags(-gzip)]
set no_timestamp [info exists flags(-no_timestamp)]
set map_hpins [info exists flags(-map_hpins)]
set native [expr ![info exists flags(-compatible)]]
write_sdc_cmd $filename $map_hpins $native $digits $gzip $no_timestamp
}
################################################################
#
# General Purpose Commands
#
################################################################
define_cmd_args "current_instance" {[instance]}
proc current_instance { {inst ""} } {
if { $inst == "" } {
set current_instance [top_instance]
} else {
set current_instance [get_instance_error "instance" $inst]
}
set cell [get_name [$current_instance cell]]
report_line "Current instance is $cell."
# Current instance state variable must be part of the sta state so
# the tcl interpreter can be shared by multiple sdc files.
set_current_instance $current_instance
}
################################################################
define_cmd_args "set_hierarchy_separator" { seperator }
set ::hierarchy_separator "/"
proc set_hierarchy_separator { separator } {
global hierarchy_separator
check_path_divider $separator
set_path_divider $separator
set hierarchy_separator $separator
}
proc check_path_divider { divider } {
set sdc_dividers "/@^#.|"
if { !([string length $divider] == 1
&& [string first $divider $sdc_dividers] != -1)} {
sta_error 513 "hierarchy separator must be one of '$sdc_dividers'."
}
}
################################################################
define_cmd_args "set_units" \
{[-time time_unit] [-capacitance cap_unit] [-resistance res_unit]\
[-voltage voltage_unit] [-current current_unit] [-power power_unit]\
[-distance distance_unit]}
# Note that the set_units command does NOT actually set the units.
# It merely checks that the current units are the same as the
# units in the set_units command.
proc set_units { args } {
parse_key_args "set_units" args \
keys {-capacitance -resistance -time -voltage -current -power -distance} \
flags {}
check_argc_eq0 "set_units" $args
check_unit "time" -time "s" keys
check_unit "capacitance" -capacitance "f" keys
check_unit "resistance" -resistance "ohm" keys
check_unit "voltage" -voltage "v" keys
check_unit "current" -current "A" keys
check_unit "power" -power "W" keys
check_unit "distance" -distance "m" keys
check_unit "power" -power "w" keys
}
proc check_unit { unit key unit_name key_var } {
upvar 1 $key_var keys
if { [info exists keys($key)] } {
set value $keys($key)
if { [string equal -nocase $value $unit_name] } {
check_unit_scale $unit 1.0
} else {
set prefix [string index $value 0]
set suffix [string range $value 1 end]
# unit includes "1" prefix
if { [string is digit $prefix] } {
set prefix [string index $value 1]
set suffix [string range $value 2 end]
}
if { [string equal -nocase $suffix $unit_name] } {
set scale [unit_prefix_scale $unit $prefix]
check_unit_scale $unit $scale
} else {
sta_error 514 "unknown unit $unit '$suffix'."
}
}
}
}
proc unit_prefix_scale { unit prefix } {
if { [string equal $prefix "M"] } {
return 1E+6
} elseif { [string equal $prefix "k"] } {
return 1E+3
} elseif { [string equal $prefix "m"] } {
return 1E-3
} elseif { [string equal $prefix "u"] } {
return 1E-6
} elseif { [string equal $prefix "n"] } {
return 1E-9
} elseif { [string equal $prefix "p"] } {
return 1E-12
} elseif { [string equal $prefix "f"] } {
return 1E-15
} else {
sta_error 604 "unknown $unit prefix '$prefix'."
}
}
proc check_unit_scale { unit scale } {
set unit_scale [unit_scale $unit]
if { ![fuzzy_equal $scale $unit_scale] } {
sta_warn 319 "$unit scale [format %.0e $scale] does not match library scale [format %.0e $unit_scale]."
}
}
################################################################
#
# Object Access Commands
#
################################################################
define_cmd_args "all_clocks" {}
proc all_clocks { } {
return [get_clocks -quiet *]
}
################################################################
define_cmd_args "all_inputs" {}
proc all_inputs { } {
return [all_ports_for_direction "input"]
}
################################################################
define_cmd_args "all_outputs" {}
proc all_outputs { } {
return [all_ports_for_direction "output"]
}
proc all_ports_for_direction { direction } {
set top_instance [top_instance]
set top_cell [$top_instance cell]
set ports {}
set iter [$top_cell port_iterator]
while {[$iter has_next]} {
set port [$iter next]
set port_dir [port_direction $port]
if { $port_dir == $direction || $port_dir == "bidirect" } {
set ports [concat $ports [port_members $port]]
}
}
$iter finish
return $ports
}
proc port_members { port } {
if [$port is_bus] {
# Expand bus ports.
set ports {}
set member_iter [$port member_iterator]
while {[$member_iter has_next]} {
set bit_port [$member_iter next]
lappend ports $bit_port
}
$member_iter finish
return $ports
} else {
return $port
}
}
################################################################
define_cmd_args all_registers \
{[-clock clocks] [-rise_clock clocks] [-fall_clock clocks] [-cells] [-data_pins] [-clock_pins]\
[-async_pins] [-output_pins] [-level_sensitive] [-edge_triggered]}
proc all_registers { args } {
parse_key_args "all_registers" args keys {-clock -rise_clock -fall_clock} \
flags {-cells -data_pins -clock_pins -async_pins -output_pins -level_sensitive -edge_triggered}
check_argc_eq0 "all_registers" $args
set clks {}
set clk_rf "rise_fall"
if [info exists keys(-clock)] {
set clks [get_clocks_warn "clocks" $keys(-clock)]
}
if [info exists keys(-rise_clock)] {
set clks [get_clocks_warn "clocks" $keys(-rise_clock)]
set clk_rf "rise"
}
if [info exists keys(-fall_clock)] {
set clks [get_clocks_warn "clocks" $keys(-fall_clock)]
set clk_rf "fall"
}
if {[info exists flags(-edge_triggered)] \
&& ![info exists flags(-level_sensitive)]} {
set edge_triggered 1
set level_sensitive 0
} elseif {[info exists flags(-level_sensitive)] \
&& ![info exists flags(-edge_triggered)]} {
set level_sensitive 1
set edge_triggered 0
} else {
set edge_triggered 1
set level_sensitive 1
}
if { [expr [info exists flags(-cells)] \
+ [info exists flags(-data_pins)] \
+ [info exists flags(-clock_pins)] \
+ [info exists flags(-async_pins)] \
+ [info exists flags(-output_pins)]] > 1 } {
sta_error 807 "only one of -cells, -data_pins, -clock_pins, -async_pins, -output_pins are suppported."
}
if [info exists flags(-cells)] {
return [find_register_instances $clks $clk_rf \
$edge_triggered $level_sensitive]
} elseif [info exists flags(-data_pins)] {
return [find_register_data_pins $clks $clk_rf \
$edge_triggered $level_sensitive]
} elseif [info exists flags(-clock_pins)] {
return [find_register_clk_pins $clks $clk_rf \
$edge_triggered $level_sensitive]
} elseif [info exists flags(-async_pins)] {
return [find_register_async_pins $clks $clk_rf \
$edge_triggered $level_sensitive]
} elseif [info exists flags(-output_pins)] {
return [find_register_output_pins $clks $clk_rf \
$edge_triggered $level_sensitive]
} else {
# -cells is the default.
return [find_register_instances $clks $clk_rf \
$edge_triggered $level_sensitive]
}
}
################################################################
define_cmd_args "current_design" {[design]}
variable current_design_name ""
proc current_design { {design ""} } {
variable current_design_name
if { $design == "" } {
# top_instance errors if the network has not been linked.
set current_design_name [get_name [get_object_property [top_instance] cell]]
} elseif { ![network_is_linked] } {
set current_design_name $design
return $design
} elseif { [network_is_linked] && $design == [get_name [get_object_property [top_instance] cell]] } {
set current_design_name $design
return $design
} else {
sta_warn 320 "current_design for other than top cell not supported."
set current_design_name $design
return $design
}
}
################################################################
define_cmd_args "get_cells" \
{[-hierarchical] [-hsc separator] [-filter expr]\
[-regexp] [-nocase] [-quiet] [-of_objects objects] [patterns]}
define_cmd_alias "get_cell" "get_cells"
# Really get_instances, but SDC calls instances "cells".
proc get_cells { args } {
global hierarchy_separator
parse_key_args "get_cells" args keys {-hsc -filter -of_objects} \
flags {-hierarchical -regexp -nocase -quiet}
check_argc_eq0or1 "get_cells" $args
check_nocase_flag flags
set regexp [info exists flags(-regexp)]
set nocase [info exists flags(-nocase)]
set hierarchical [info exists flags(-hierarchical)]
set quiet [info exists flags(-quiet)]
# Copy backslashes that will be removed by foreach.
set patterns [string map {\\ \\\\} [lindex $args 0]]
set divider $hierarchy_separator
if [info exists keys(-hsc)] {
set divider $keys(-hsc)
check_path_divider $divider
}
set insts {}
if [info exists keys(-of_objects)] {
if { $args != {} } {
sta_warn 321 "patterns argument not supported with -of_objects."
}
parse_port_pin_net_arg $keys(-of_objects) pins nets
foreach pin $pins {
if { [$pin is_top_level_port] } {
set net [get_nets [get_name $pin]]
if { $net != "NULL" } {
lappend nets $net
}
} else {
lappend insts [$pin instance]
}
}
foreach net $nets {
set pin_iter [$net pin_iterator]
while { [$pin_iter has_next] } {
set pin [$pin_iter next]
lappend insts [$pin instance]
}
$pin_iter finish
}
} else {
if { $args == {} } {
set insts [network_leaf_instances]
} else {
foreach pattern $patterns {
if { $divider != $hierarchy_separator } {
regsub $divider $pattern $hierarchy_separator pattern
}
if { $hierarchical } {
set matches [find_instances_hier_matching $pattern $regexp $nocase]
} else {
set matches [find_instances_matching $pattern $regexp $nocase]
}
if { $matches == {} && !$quiet} {
sta_warn 322 "instance '$pattern' not found."
}
set insts [concat $insts $matches]
}
}
}
if [info exists keys(-filter)] {
set insts [filter_insts1 $keys(-filter) $insts]
}
return $insts
}
proc filter_insts1 { filter objects } {
variable filter_regexp1
variable filter_or_regexp
variable filter_and_regexp
set filtered_objects {}
# Ignore sub-exprs in filter_regexp1 for expr2 match var.
if { [regexp $filter_or_regexp $filter ignore expr1 \
ignore ignore ignore expr2] } {
regexp $filter_regexp1 $expr1 ignore attr_name op arg
set filtered_objects1 [filter_insts $attr_name $op $arg $objects]
regexp $filter_regexp1 $expr2 ignore attr_name op arg
set filtered_objects2 [filter_insts $attr_name $op $arg $objects]
set filtered_objects [concat $filtered_objects1 $filtered_objects2]
} elseif { [regexp $filter_and_regexp $filter ignore expr1 \
ignore ignore ignore expr2] } {
regexp $filter_regexp1 $expr1 ignore attr_name op arg
set filtered_objects [filter_insts $attr_name $op $arg $objects]
regexp $filter_regexp1 $expr2 ignore attr_name op arg
set filtered_objects [filter_insts $attr_name $op $arg $filtered_objects]
} elseif { [regexp $filter_regexp1 $filter ignore attr_name op arg] } {
set filtered_objects [filter_insts $attr_name $op $arg $objects]
} else {
sta_error 516 "unsupported instance -filter expression."
}
return $filtered_objects
}
################################################################
define_cmd_args "get_clocks" {[-regexp] [-nocase] [-quiet] patterns}
define_cmd_alias "get_clock" "get_clocks"
proc get_clocks { args } {
parse_key_args "get_clocks" args keys {} flags {-regexp -nocase -quiet}
check_argc_eq1 "get_clocks" $args
check_nocase_flag flags
# Copy backslashes that will be removed by foreach.
set patterns [string map {\\ \\\\} [lindex $args 0]]
set regexp [info exists flags(-regexp)]
set nocase [info exists flags(-nocase)]
set clocks {}
foreach pattern $patterns {
set matches [find_clocks_matching $pattern $regexp $nocase]
if { $matches != {} } {
set clocks [concat $clocks $matches]
} else {
if {![info exists flags(-quiet)]} {
sta_warn 323 "clock '$pattern' not found."
}
}
}
return $clocks
}
################################################################
define_cmd_args "get_lib_cells" \
{[-hsc separator] [-regexp] [-nocase] [-quiet]\
[-of_objects objects] [patterns]}
define_cmd_alias "get_lib_cell" "get_lib_cells"
proc get_lib_cells { args } {
global hierarchy_separator
parse_key_args "get_lib_cells" args keys {-hsc -of_objects} \
flags {-regexp -nocase -quiet}
check_argc_eq0or1 "get_lib_cells" $args
check_nocase_flag flags
set regexp [info exists flags(-regexp)]
set nocase [info exists flags(-nocase)]
set cells {}
if [info exists keys(-of_objects)] {
if { $args != {} } {
sta_warn 324 "positional arguments not supported with -of_objects."
}
set insts [get_instances_error "objects" $keys(-of_objects)]
foreach inst $insts {
lappend cells [$inst liberty_cell]
}
} else {
# Copy backslashes that will be removed by foreach.
set patterns [string map {\\ \\\\} [lindex $args 0]]
# Parse library_name/pattern.
set divider $hierarchy_separator
if [info exists keys(-hsc)] {
set divider $keys(-hsc)
check_path_divider $divider
}
set cell_regexp [cell_regexp_hsc $divider]
set quiet [info exists flags(-quiet)]
foreach pattern $patterns {
if { ![regexp $cell_regexp $pattern ignore lib_name cell_pattern]} {
set lib_name "*"
set cell_pattern $pattern
}
# Allow wildcards in the library name (incompatible).
set libs [get_libs -quiet $lib_name]
if { $libs == {} } {
if {!$quiet} {
sta_warn 325 "library '$lib_name' not found."
}
} else {
foreach lib $libs {
set matches [$lib find_liberty_cells_matching $cell_pattern \
$regexp $nocase]
if {$matches != {}} {
set cells [concat $cells $matches]
}
}
if { $cells == {} } {
if {!$quiet} {
sta_warn 326 "cell '$cell_pattern' not found."
}
}
}
}
}
return $cells
}
################################################################
define_cmd_args "get_lib_pins" \
{[-hsc separator] [-regexp] [-nocase] [-quiet] patterns}
define_cmd_alias "get_lib_pin" "get_lib_pins"
# "get_lib_ports" in sta terminology.
proc get_lib_pins { args } {
global hierarchy_separator
parse_key_args "get_lib_pins" args keys {-hsc} flags {-regexp -nocase -quiet}
check_argc_eq1 "get_lib_pins" $args
check_nocase_flag flags
set regexp [info exists flags(-regexp)]
set nocase [info exists flags(-nocase)]
set quiet [info exists flags(-quiet)]
# Copy backslashes that will be removed by foreach.
set patterns [string map {\\ \\\\} [lindex $args 0]]
# Parse library_name/cell_name/pattern.
set divider $hierarchy_separator
if [info exists keys(-hsc)] {
set divider $keys(-hsc)
check_path_divider $divider
}
set port_regexp1 [port_regexp_hsc $divider]
set port_regexp2 [cell_regexp_hsc $divider]
set ports {}
foreach pattern $patterns {
# match library/cell/port
set libs {}
if { [regexp $port_regexp1 $pattern ignore lib_name cell_name port_pattern] } {
set libs [get_libs -quiet $lib_name]
# match cell/port
} elseif { [regexp $port_regexp2 $pattern ignore cell_name port_pattern] } {
set libs [get_libs *]
} else {
if { !$quiet } {
sta_warn 327 "library/cell/port '$pattern' not found."
}
return {}
}
if { $libs != {} } {
set found_match 0
set cells {}
foreach lib $libs {
set cells [$lib find_liberty_cells_matching $cell_name $regexp $nocase]
foreach cell $cells {
set matches [$cell find_liberty_ports_matching $port_pattern \
$regexp $nocase]
foreach match $matches {
lappend ports $match
set found_match 1
}
}
}
if { !$found_match } {
if { !$quiet } {
sta_warn 328 "port '$port_pattern' not found."
}
}
} else {
if { !$quiet } {
sta_warn 329 "library '$lib_name' not found."
}
}
}
return $ports
}
proc check_nocase_flag { flags_var } {
upvar 1 $flags_var flags
if { [info exists flags(-nocase)] && ![info exists flags(-regexp)] } {
sta_warn 330 "-nocase ignored without -regexp."
}
}
################################################################
define_cmd_args "get_libs" {[-regexp] [-nocase] [-quiet] patterns}
define_cmd_alias "get_lib" "get_libs"
proc get_libs { args } {
parse_key_args "get_libs" args keys {} flags {-regexp -nocase -quiet}
check_argc_eq1 "get_libs" $args
check_nocase_flag flags
# Copy backslashes that will be removed by foreach.
set patterns [string map {\\ \\\\} [lindex $args 0]]
set regexp [info exists flags(-regexp)]
set nocase [info exists flags(-nocase)]
set libs {}
foreach pattern $patterns {
set matches [find_liberty_libraries_matching $pattern $regexp $nocase]
if {$matches != {}} {
set libs [concat $libs $matches]
} else {
if {![info exists flags(-quiet)]} {
sta_warn 331 "library '$pattern' not found."
}
}
}
return $libs
}
proc find_liberty_libraries_matching { pattern regexp nocase } {
# Remove "lib.db:" reference from the library name.
set ix [string last ".db:" $pattern]
if { $ix != -1 } {
set pattern2 [string range $pattern [expr $ix + 4] end]
} else {
set pattern2 $pattern
}
if { $regexp } {
# Anchor the regexp pattern.
set pattern2 "^${pattern}$"
}
set lib_iter [liberty_library_iterator]
set matches {}
while { [$lib_iter has_next] } {
set lib [$lib_iter next]
set lib_name [get_name $lib]
if { (!$regexp && [string match $pattern2 $lib_name]) \
|| ($regexp && $nocase && [regexp -nocase $pattern2 $lib_name]) \
|| ($regexp && !$nocase && [regexp $pattern2 $lib_name]) } {
lappend matches $lib
}
}
$lib_iter finish
return $matches
}
################################################################
define_cmd_args "get_nets" \
{[-hierarchical] [-hsc separator] [-regexp] [-nocase] [-quiet]\
[-of_objects objects] [patterns]}
define_cmd_alias "get_net" "get_nets"
proc get_nets { args } {
global hierarchy_separator
parse_key_args get_nets args keys {-hsc -of_objects} \
flags {-hierarchical -regexp -nocase -quiet}
check_nocase_flag flags
set regexp [info exists flags(-regexp)]
set nocase [info exists flags(-nocase)]
set hierarchical [info exists flags(-hierarchical)]
set quiet [info exists flags(-quiet)]
# Copy backslashes that will be removed by foreach.
set patterns [string map {\\ \\\\} [lindex $args 0]]
if [info exists keys(-hsc)] {
set divider $keys(-hsc)
check_path_divider $divider
set patterns [string map "$divider $hierarchy_separator" $patterns]
}
set nets {}
if [info exists keys(-of_objects)] {
if { $args != {} } {
sta_warn 332 "patterns argument not supported with -of_objects."
}
parse_inst_pin_arg $keys(-of_objects) insts pins
foreach inst $insts {
set pin_iter [$inst pin_iterator]
while { [$pin_iter has_next] } {
set pin [$pin_iter next]
lappend nets [$pin net]
}
$pin_iter finish
}
foreach pin $pins {
lappend nets [$pin net]
}
} else {
check_argc_eq1 "get_nets" $args
foreach pattern $patterns {
if { $hierarchical } {
set matches [find_nets_hier_matching $pattern $regexp $nocase]
} else {
set matches [find_nets_matching $pattern $regexp $nocase]
}
set nets [concat $nets $matches]
if { $matches == {} && !$quiet } {
sta_warn 333 "net '$pattern' not found."
}
}
}
return $nets
}
################################################################
define_cmd_args "get_pins" \
{[-hierarchical] [-hsc separator] [-quiet] [-filter expr]\
[-regexp] [-nocase] [-of_objects objects] patterns}
define_cmd_alias "get_pin" "get_pins"
proc get_pins { args } {
global hierarchy_separator
parse_key_args "get_pins" args keys {-hsc -of_objects -filter} \
flags {-hierarchical -regexp -nocase -quiet}
check_nocase_flag flags
set regexp [info exists flags(-regexp)]
set nocase [info exists flags(-nocase)]
set hierarchical [info exists flags(-hierarchical)]
set quiet [info exists flags(-quiet)]
set pins {}
if [info exists keys(-of_objects)] {
if { $args != {} } {
sta_warn 334 "patterns argument not supported with -of_objects."
}
parse_inst_net_arg $keys(-of_objects) insts nets
foreach inst $insts {
set pin_iter [$inst pin_iterator]
while { [$pin_iter has_next] } {
set pin [$pin_iter next]
lappend pins $pin
}
$pin_iter finish
}
foreach net $nets {
set pin_iter [$net pin_iterator]
while { [$pin_iter has_next] } {
set pin [$pin_iter next]
lappend pins $pin
}
$pin_iter finish
}
} else {
check_argc_eq1 "get_pins" $args
set patterns [lindex $args 0]
if [info exists keys(-hsc)] {
set divider $keys(-hsc)
check_path_divider $divider
set patterns [string map "$divider $hierarchy_separator" $patterns]
}
# Copy backslashes that will be removed by foreach.
set patterns [string map {\\ \\\\} $patterns]
foreach pattern $patterns {
if { $hierarchical } {
set matches [find_pins_hier_matching $pattern $regexp $nocase]
} else {
set matches [find_pins_matching $pattern $regexp $nocase]
}
set pins [concat $pins $matches]
if { $matches == {} && !$quiet } {
sta_warn 335 "pin '$pattern' not found."
}
}
}
if [info exists keys(-filter)] {
set pins [filter_pins1 $keys(-filter) $pins]
}
return $pins
}
proc filter_pins1 { filter objects } {
variable filter_regexp1
variable filter_or_regexp
variable filter_and_regexp
set filtered_objects {}
# Ignore sub-exprs in filter_regexp1 for expr2 match var.
if { [regexp $filter_or_regexp $filter ignore expr1 \
ignore ignore ignore expr2] } {
regexp $filter_regexp1 $expr1 ignore attr_name op arg
set filtered_objects1 [filter_pins $attr_name $op $arg $objects]
regexp $filter_regexp1 $expr2 ignore attr_name op arg
set filtered_objects2 [filter_pins $attr_name $op $arg $objects]
set filtered_objects [concat $filtered_objects1 $filtered_objects2]
} elseif { [regexp $filter_and_regexp $filter ignore expr1 \
ignore ignore ignore expr2] } {
regexp $filter_regexp1 $expr1 ignore attr_name op arg
set filtered_objects [filter_pins $attr_name $op $arg $objects]
regexp $filter_regexp1 $expr2 ignore attr_name op arg
set filtered_objects [filter_pins $attr_name $op $arg $filtered_objects]
} elseif { [regexp $filter_regexp1 $filter ignore attr_name op arg] } {
set filtered_objects [filter_pins $attr_name $op $arg $objects]
} else {
sta_error 517 "unsupported pin -filter expression."
}
return $filtered_objects
}
################################################################
define_cmd_args "get_ports" \
{[-quiet] [-filter expr] [-regexp] [-nocase] [-of_objects objects] [patterns]}
define_cmd_alias "get_port" "get_ports"
# Find top level design ports matching pattern.
proc get_ports { args } {
parse_key_args "get_ports" args keys {-of_objects -filter} \
flags {-regexp -nocase -quiet}
check_nocase_flag flags
set regexp [info exists flags(-regexp)]
set nocase [info exists flags(-nocase)]
# Copy backslashes that will be removed by foreach.
set patterns [string map {\\ \\\\} [lindex $args 0]]
set ports {}
if [info exists keys(-of_objects)] {
if { $args != {} } {
sta_warn 336 "patterns argument not supported with -of_objects."
}
set nets [get_nets_warn "objects" $keys(-of_objects)]
foreach net $nets {
set ports [concat $ports [$net ports]]
}
} else {
check_argc_eq1 "get_ports" $args
foreach pattern $patterns {
set matches [find_ports_matching $pattern $regexp $nocase]
if { $matches != {} } {
set ports [concat $ports $matches]
} else {
if {![info exists flags(-quiet)]} {
sta_warn 337 "port '$pattern' not found."
}
}
}
}
if [info exists keys(-filter)] {
set ports [filter_ports1 $keys(-filter) $ports]
}
return $ports
}
variable filter_regexp1 {@?([a-zA-Z_]+) *(==|=~) *([0-9a-zA-Z_\*]+)}
variable filter_or_regexp "($filter_regexp1) +\\|\\| +($filter_regexp1)"
variable filter_and_regexp "($filter_regexp1) +&& +($filter_regexp1)"
proc filter_ports1 { filter objects } {
variable filter_regexp1
variable filter_or_regexp
variable filter_and_regexp
set filtered_objects {}
# Ignore sub-exprs in filter_regexp1 for expr2 match var.
if { [regexp $filter_or_regexp $filter ignore expr1 \
ignore ignore ignore expr2] } {
regexp $filter_regexp1 $expr1 ignore attr_name op arg
set filtered_objects1 [filter_ports $attr_name $op $arg $objects]
regexp $filter_regexp1 $expr2 ignore attr_name op arg
set filtered_objects2 [filter_ports $attr_name $op $arg $objects]
set filtered_objects [concat $filtered_objects1 $filtered_objects2]
} elseif { [regexp $filter_and_regexp $filter ignore expr1 \
ignore ignore ignore expr2] } {
regexp $filter_regexp1 $expr1 ignore attr_name op arg
set filtered_objects [filter_ports $attr_name $op $arg $objects]
regexp $filter_regexp1 $expr2 ignore attr_name op arg
set filtered_objects [filter_ports $attr_name $op $arg $filtered_objects]