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-rw-r--r--library/package.tcl282
1 files changed, 139 insertions, 143 deletions
diff --git a/library/package.tcl b/library/package.tcl
index 3783722..44e3b28 100644
--- a/library/package.tcl
+++ b/library/package.tcl
@@ -14,9 +14,9 @@ namespace eval tcl::Pkg {}
# ::tcl::Pkg::CompareExtension --
#
-# Used internally by pkg_mkIndex to compare the extension of a file to
-# a given extension. On Windows, it uses a case-insensitive comparison
-# because the file system can be file insensitive.
+# Used internally by pkg_mkIndex to compare the extension of a file to a given
+# extension. On Windows, it uses a case-insensitive comparison because the
+# file system can be file insensitive.
#
# Arguments:
# fileName name of a file whose extension is compared
@@ -27,7 +27,7 @@ namespace eval tcl::Pkg {}
# Results:
# Returns 1 if the extension matches, 0 otherwise
-proc tcl::Pkg::CompareExtension { fileName {ext {}} } {
+proc tcl::Pkg::CompareExtension {fileName {ext {}}} {
global tcl_platform
if {$ext eq ""} {set ext [info sharedlibextension]}
if {$tcl_platform(platform) eq "windows"} {
@@ -48,7 +48,7 @@ proc tcl::Pkg::CompareExtension { fileName {ext {}} } {
# tcl::Pkg::CompareExtension foo.so.bar .so
# which should not match.
- if { ![string is integer -strict [string range $currExt 1 end]] } {
+ if {![string is integer -strict [string range $currExt 1 end]]} {
return 0
}
set root [file rootname $root]
@@ -57,11 +57,10 @@ proc tcl::Pkg::CompareExtension { fileName {ext {}} } {
}
# pkg_mkIndex --
-# This procedure creates a package index in a given directory. The
-# package index consists of a "pkgIndex.tcl" file whose contents are
-# a Tcl script that sets up package information with "package require"
-# commands. The commands describe all of the packages defined by the
-# files given as arguments.
+# This procedure creates a package index in a given directory. The package
+# index consists of a "pkgIndex.tcl" file whose contents are a Tcl script that
+# sets up package information with "package require" commands. The commands
+# describe all of the packages defined by the files given as arguments.
#
# Arguments:
# -direct (optional) If this flag is present, the generated
@@ -82,7 +81,7 @@ proc tcl::Pkg::CompareExtension { fileName {ext {}} } {
# dir.
proc pkg_mkIndex {args} {
- set usage {"pkg_mkIndex ?-direct? ?-lazy? ?-load pattern? ?-verbose? ?--? dir ?pattern ...?"};
+ set usage {"pkg_mkIndex ?-direct? ?-lazy? ?-load pattern? ?-verbose? ?--? dir ?pattern ...?"}
set argCount [llength $args]
if {$argCount < 1} {
@@ -128,20 +127,21 @@ proc pkg_mkIndex {args} {
set dir [lindex $args $idx]
set patternList [lrange $args [expr {$idx + 1}] end]
- if {[llength $patternList] == 0} {
+ if {![llength $patternList]} {
set patternList [list "*.tcl" "*[info sharedlibextension]"]
}
- if {[catch {
- glob -directory $dir -tails -types {r f} -- {*}$patternList
- } fileList o]} {
- return -options $o $fileList
+ try {
+ set fileList [glob -directory $dir -tails -types {r f} -- \
+ {*}$patternList]
+ } on error {msg opt} {
+ return -options $opt $msg
}
foreach file $fileList {
# For each file, figure out what commands and packages it provides.
# To do this, create a child interpreter, load the file into the
- # interpreter, and get a list of the new commands and packages
- # that are defined.
+ # interpreter, and get a list of the new commands and packages that
+ # are defined.
if {$file eq "pkgIndex.tcl"} {
continue
@@ -163,20 +163,23 @@ proc pkg_mkIndex {args} {
}
}
foreach pkg [info loaded] {
- if {! [string match -nocase $loadPat [lindex $pkg 1]]} {
+ if {![string match -nocase $loadPat [lindex $pkg 1]]} {
continue
}
if {$doVerbose} {
tclLog "package [lindex $pkg 1] matches '$loadPat'"
}
- if {[catch {
+ try {
load [lindex $pkg 0] [lindex $pkg 1] $c
- } err]} {
+ } on error err {
if {$doVerbose} {
- tclLog "warning: load [lindex $pkg 0] [lindex $pkg 1]\nfailed with: $err"
+ tclLog "warning: load [lindex $pkg 0]\
+ [lindex $pkg 1]\nfailed with: $err"
+ }
+ } on ok {} {
+ if {$doVerbose} {
+ tclLog "loaded [lindex $pkg 0] [lindex $pkg 1]"
}
- } elseif {$doVerbose} {
- tclLog "loaded [lindex $pkg 0] [lindex $pkg 1]"
}
if {[lindex $pkg 1] eq "Tk"} {
# Withdraw . if Tk was loaded, to avoid showing a window.
@@ -185,21 +188,25 @@ proc pkg_mkIndex {args} {
}
$c eval {
- # Stub out the package command so packages can
- # require other packages.
+ # Stub out the package command so packages can require other
+ # packages.
rename package __package_orig
proc package {what args} {
switch -- $what {
- require { return ; # ignore transitive requires }
- default { __package_orig $what {*}$args }
+ require {
+ return; # Ignore transitive requires
+ }
+ default {
+ __package_orig $what {*}$args
+ }
}
}
proc tclPkgUnknown args {}
package unknown tclPkgUnknown
- # Stub out the unknown command so package can call
- # into each other during their initialilzation.
+ # Stub out the unknown command so package can call into each other
+ # during their initialilzation.
proc unknown {args} {}
@@ -207,9 +214,9 @@ proc pkg_mkIndex {args} {
proc auto_import {args} {}
- # reserve the ::tcl namespace for support procs
- # and temporary variables. This might make it awkward
- # to generate a pkgIndex.tcl file for the ::tcl namespace.
+ # reserve the ::tcl namespace for support procs and temporary
+ # variables. This might make it awkward to generate a
+ # pkgIndex.tcl file for the ::tcl namespace.
namespace eval ::tcl {
variable dir ;# Current directory being processed
@@ -230,22 +237,22 @@ proc pkg_mkIndex {args} {
$c eval [list set ::tcl::file $file]
$c eval [list set ::tcl::direct $direct]
- # Download needed procedures into the slave because we've
- # just deleted the unknown procedure. This doesn't handle
- # procedures with default arguments.
+ # Download needed procedures into the slave because we've just deleted
+ # the unknown procedure. This doesn't handle procedures with default
+ # arguments.
foreach p {::tcl::Pkg::CompareExtension} {
$c eval [list namespace eval [namespace qualifiers $p] {}]
$c eval [list proc $p [info args $p] [info body $p]]
}
- if {[catch {
+ try {
$c eval {
set ::tcl::debug "loading or sourcing"
- # we need to track command defined by each package even in
- # the -direct case, because they are needed internally by
- # the "partial pkgIndex.tcl" step above.
+ # we need to track command defined by each package even in the
+ # -direct case, because they are needed internally by the
+ # "partial pkgIndex.tcl" step above.
proc ::tcl::GetAllNamespaces {{root ::}} {
set list $root
@@ -267,18 +274,17 @@ proc pkg_mkIndex {args} {
}
set ::tcl::origCmds [info commands]
- # Try to load the file if it has the shared library
- # extension, otherwise source it. It's important not to
- # try to load files that aren't shared libraries, because
- # on some systems (like SunOS) the loader will abort the
- # whole application when it gets an error.
+ # Try to load the file if it has the shared library extension,
+ # otherwise source it. It's important not to try to load
+ # files that aren't shared libraries, because on some systems
+ # (like SunOS) the loader will abort the whole application
+ # when it gets an error.
if {[::tcl::Pkg::CompareExtension $::tcl::file [info sharedlibextension]]} {
- # The "file join ." command below is necessary.
- # Without it, if the file name has no \'s and we're
- # on UNIX, the load command will invoke the
- # LD_LIBRARY_PATH search mechanism, which could cause
- # the wrong file to be used.
+ # The "file join ." command below is necessary. Without
+ # it, if the file name has no \'s and we're on UNIX, the
+ # load command will invoke the LD_LIBRARY_PATH search
+ # mechanism, which could cause the wrong file to be used.
set ::tcl::debug loading
load [file join $::tcl::dir $::tcl::file]
@@ -289,17 +295,16 @@ proc pkg_mkIndex {args} {
set ::tcl::type source
}
- # As a performance optimization, if we are creating
- # direct load packages, don't bother figuring out the
- # set of commands created by the new packages. We
- # only need that list for setting up the autoloading
- # used in the non-direct case.
- if { !$::tcl::direct } {
+ # As a performance optimization, if we are creating direct
+ # load packages, don't bother figuring out the set of commands
+ # created by the new packages. We only need that list for
+ # setting up the autoloading used in the non-direct case.
+ if {!$::tcl::direct} {
# See what new namespaces appeared, and import commands
# from them. Only exported commands go into the index.
foreach ::tcl::x [::tcl::GetAllNamespaces] {
- if {! [info exists ::tcl::namespaces($::tcl::x)]} {
+ if {![info exists ::tcl::namespaces($::tcl::x)]} {
namespace import -force ${::tcl::x}::*
}
@@ -316,8 +321,9 @@ proc pkg_mkIndex {args} {
set ::tcl::abs [namespace origin $::tcl::x]
- # special case so that global names have no leading
- # ::, this is required by the unknown command
+ # special case so that global names have no
+ # leading ::, this is required by the unknown
+ # command
set ::tcl::abs \
[lindex [auto_qualify $::tcl::abs ::] 0]
@@ -332,8 +338,8 @@ proc pkg_mkIndex {args} {
}
}
- # Look through the packages that appeared, and if there is
- # a version provided, then record it
+ # Look through the packages that appeared, and if there is a
+ # version provided, then record it
foreach ::tcl::x [package names] {
if {[package provide $::tcl::x] ne ""
@@ -343,12 +349,12 @@ proc pkg_mkIndex {args} {
}
}
}
- } msg] == 1} {
+ } on error msg {
set what [$c eval set ::tcl::debug]
if {$doVerbose} {
tclLog "warning: error while $what $file: $msg"
}
- } else {
+ } on ok {} {
set what [$c eval set ::tcl::debug]
if {$doVerbose} {
tclLog "successful $what of $file"
@@ -357,7 +363,7 @@ proc pkg_mkIndex {args} {
set cmds [lsort [$c eval array names ::tcl::newCmds]]
set pkgs [$c eval set ::tcl::newPkgs]
if {$doVerbose} {
- if { !$direct } {
+ if {!$direct} {
tclLog "commands provided were $cmds"
}
tclLog "packages provided were $pkgs"
@@ -393,7 +399,7 @@ proc pkg_mkIndex {args} {
lappend cmd ::tcl::Pkg::Create -name $name -version $version
foreach spec [lsort -index 0 $files($pkg)] {
foreach {file type procs} $spec {
- if { $direct } {
+ if {$direct} {
set procs {}
}
lappend cmd "-$type" [list $file $procs]
@@ -408,11 +414,10 @@ proc pkg_mkIndex {args} {
}
# tclPkgSetup --
-# This is a utility procedure use by pkgIndex.tcl files. It is invoked
-# as part of a "package ifneeded" script. It calls "package provide"
-# to indicate that a package is available, then sets entries in the
-# auto_index array so that the package's files will be auto-loaded when
-# the commands are used.
+# This is a utility procedure use by pkgIndex.tcl files. It is invoked as
+# part of a "package ifneeded" script. It calls "package provide" to indicate
+# that a package is available, then sets entries in the auto_index array so
+# that the package's files will be auto-loaded when the commands are used.
#
# Arguments:
# dir - Directory containing all the files for this package.
@@ -443,12 +448,12 @@ proc tclPkgSetup {dir pkg version files} {
}
# tclPkgUnknown --
-# This procedure provides the default for the "package unknown" function.
-# It is invoked when a package that's needed can't be found. It scans
-# the auto_path directories and their immediate children looking for
-# pkgIndex.tcl files and sources any such files that are found to setup
-# the package database. As it searches, it will recognize changes
-# to the auto_path and scan any new directories.
+# This procedure provides the default for the "package unknown" function. It
+# is invoked when a package that's needed can't be found. It scans the
+# auto_path directories and their immediate children looking for pkgIndex.tcl
+# files and sources any such files that are found to setup the package
+# database. As it searches, it will recognize changes to the auto_path and
+# scan any new directories.
#
# Arguments:
# name - Name of desired package. Not used.
@@ -461,8 +466,8 @@ proc tclPkgUnknown {name args} {
if {![info exists auto_path]} {
return
}
- # Cache the auto_path, because it may change while we run through
- # the first set of pkgIndex.tcl files
+ # Cache the auto_path, because it may change while we run through the
+ # first set of pkgIndex.tcl files
set old_path [set use_path $auto_path]
while {[llength $use_path]} {
set dir [lindex $use_path end]
@@ -474,24 +479,22 @@ proc tclPkgUnknown {name args} {
}
set tclSeenPath($dir) 1
- # we can't use glob in safe interps, so enclose the following
- # in a catch statement, where we get the pkgIndex files out
- # of the subdirectories
+ # we can't use glob in safe interps, so enclose the following in a
+ # catch statement, where we get the pkgIndex files out of the
+ # subdirectories
catch {
foreach file [glob -directory $dir -join -nocomplain \
* pkgIndex.tcl] {
set dir [file dirname $file]
if {![info exists procdDirs($dir)]} {
- set code [catch {source $file} msg opt]
- if {$code == 1 &&
- [lindex [dict get $opt -errorcode] 0] eq "POSIX" &&
- [lindex [dict get $opt -errorcode] 1] eq "EACCES"} {
+ try {
+ source $file
+ } trap {POSIX EACCES} {} {
# $file was not readable; silently ignore
continue
- }
- if {$code} {
+ } on error msg {
tclLog "error reading package index file $file: $msg"
- } else {
+ } on ok {} {
set procdDirs($dir) 1
}
}
@@ -502,16 +505,14 @@ proc tclPkgUnknown {name args} {
set file [file join $dir pkgIndex.tcl]
# safe interps usually don't have "file exists",
if {([interp issafe] || [file exists $file])} {
- set code [catch {source $file} msg opt]
- if {$code == 1 &&
- [lindex [dict get $opt -errorcode] 0] eq "POSIX" &&
- [lindex [dict get $opt -errorcode] 1] eq "EACCES"} {
+ try {
+ source $file
+ } trap {POSIX EACCES} {} {
# $file was not readable; silently ignore
continue
- }
- if {$code} {
+ } on error msg {
tclLog "error reading package index file $file: $msg"
- } else {
+ } on ok {} {
set procdDirs($dir) 1
}
}
@@ -519,12 +520,11 @@ proc tclPkgUnknown {name args} {
set use_path [lrange $use_path 0 end-1]
- # Check whether any of the index scripts we [source]d above
- # set a new value for $::auto_path. If so, then find any
- # new directories on the $::auto_path, and lappend them to
- # the $use_path we are working from. This gives index scripts
- # the (arguably unwise) power to expand the index script search
- # path while the search is in progress.
+ # Check whether any of the index scripts we [source]d above set a new
+ # value for $::auto_path. If so, then find any new directories on the
+ # $::auto_path, and lappend them to the $use_path we are working from.
+ # This gives index scripts the (arguably unwise) power to expand the
+ # index script search path while the search is in progress.
set index 0
if {[llength $old_path] == [llength $auto_path]} {
foreach dir $auto_path old $old_path {
@@ -536,11 +536,11 @@ proc tclPkgUnknown {name args} {
}
}
- # $index now points to the first element of $auto_path that
- # has changed, or the beginning if $auto_path has changed length
- # Scan the new elements of $auto_path for directories to add to
- # $use_path. Don't add directories we've already seen, or ones
- # already on the $use_path.
+ # $index now points to the first element of $auto_path that has
+ # changed, or the beginning if $auto_path has changed length Scan the
+ # new elements of $auto_path for directories to add to $use_path.
+ # Don't add directories we've already seen, or ones already on the
+ # $use_path.
foreach dir [lrange $auto_path $index end] {
if {![info exists tclSeenPath($dir)] && ($dir ni $use_path)} {
lappend use_path $dir
@@ -551,9 +551,9 @@ proc tclPkgUnknown {name args} {
}
# tcl::MacOSXPkgUnknown --
-# This procedure extends the "package unknown" function for MacOSX.
-# It scans the Resources/Scripts directories of the immediate children
-# of the auto_path directories for pkgIndex files.
+# This procedure extends the "package unknown" function for MacOSX. It scans
+# the Resources/Scripts directories of the immediate children of the auto_path
+# directories for pkgIndex files.
#
# Arguments:
# original - original [package unknown] procedure
@@ -562,7 +562,6 @@ proc tclPkgUnknown {name args} {
# exact - Either "-exact" or omitted. Not used.
proc tcl::MacOSXPkgUnknown {original name args} {
-
# First do the cross-platform default search
uplevel 1 $original [linsert $args 0 $name]
@@ -572,8 +571,8 @@ proc tcl::MacOSXPkgUnknown {original name args} {
if {![info exists auto_path]} {
return
}
- # Cache the auto_path, because it may change while we run through
- # the first set of pkgIndex.tcl files
+ # Cache the auto_path, because it may change while we run through the
+ # first set of pkgIndex.tcl files
set old_path [set use_path $auto_path]
while {[llength $use_path]} {
set dir [lindex $use_path end]
@@ -590,28 +589,25 @@ proc tcl::MacOSXPkgUnknown {original name args} {
* Resources Scripts pkgIndex.tcl] {
set dir [file dirname $file]
if {![info exists procdDirs($dir)]} {
- set code [catch {source $file} msg opt]
- if {$code == 1 &&
- [lindex [dict get $opt -errorcode] 0] eq "POSIX" &&
- [lindex [dict get $opt -errorcode] 1] eq "EACCES"} {
+ try {
+ source $file
+ } trap {POSIX EACCES} {} {
# $file was not readable; silently ignore
continue
- }
- if {$code} {
+ } on error msg {
tclLog "error reading package index file $file: $msg"
- } else {
+ } on ok {} {
set procdDirs($dir) 1
}
}
}
set use_path [lrange $use_path 0 end-1]
- # Check whether any of the index scripts we [source]d above
- # set a new value for $::auto_path. If so, then find any
- # new directories on the $::auto_path, and lappend them to
- # the $use_path we are working from. This gives index scripts
- # the (arguably unwise) power to expand the index script search
- # path while the search is in progress.
+ # Check whether any of the index scripts we [source]d above set a new
+ # value for $::auto_path. If so, then find any new directories on the
+ # $::auto_path, and lappend them to the $use_path we are working from.
+ # This gives index scripts the (arguably unwise) power to expand the
+ # index script search path while the search is in progress.
set index 0
if {[llength $old_path] == [llength $auto_path]} {
foreach dir $auto_path old $old_path {
@@ -623,11 +619,11 @@ proc tcl::MacOSXPkgUnknown {original name args} {
}
}
- # $index now points to the first element of $auto_path that
- # has changed, or the beginning if $auto_path has changed length
- # Scan the new elements of $auto_path for directories to add to
- # $use_path. Don't add directories we've already seen, or ones
- # already on the $use_path.
+ # $index now points to the first element of $auto_path that has
+ # changed, or the beginning if $auto_path has changed length Scan the
+ # new elements of $auto_path for directories to add to $use_path.
+ # Don't add directories we've already seen, or ones already on the
+ # $use_path.
foreach dir [lrange $auto_path $index end] {
if {![info exists tclSeenPath($dir)] && ($dir ni $use_path)} {
lappend use_path $dir
@@ -653,12 +649,12 @@ proc tcl::MacOSXPkgUnknown {original name args} {
#
# Any number of -load and -source parameters may be
# specified, so long as there is at least one -load or
-# -source parameter. If the procs component of a
-# module specifier is left off, that module will be
-# set up for direct loading; otherwise, it will be
-# set up for lazy loading. If both -source and -load
-# are specified, the -load'ed files will be loaded
-# first, followed by the -source'd files.
+# -source parameter. If the procs component of a module
+# specifier is left off, that module will be set up for
+# direct loading; otherwise, it will be set up for lazy
+# loading. If both -source and -load are specified, the
+# -load'ed files will be loaded first, followed by the
+# -source'd files.
#
# Results:
# An appropriate "package ifneeded" statement for the package.
@@ -676,7 +672,7 @@ proc ::tcl::Pkg::Create {args} {
# process arguments
set len [llength $args]
- if { $len < 6 } {
+ if {$len < 6} {
error $err(wrongNumArgs)
}
@@ -690,14 +686,14 @@ proc ::tcl::Pkg::Create {args} {
switch -glob -- $flag {
"-name" -
"-version" {
- if { $i >= $len } {
+ if {$i >= $len} {
error [format $err(valueMissing) $flag]
}
set opts($flag) [lindex $args $i]
}
"-source" -
"-load" {
- if { $i >= $len } {
+ if {$i >= $len} {
error [format $err(valueMissing) $flag]
}
lappend opts($flag) [lindex $args $i]
@@ -709,14 +705,14 @@ proc ::tcl::Pkg::Create {args} {
}
# Validate the parameters
- if { [llength $opts(-name)] == 0 } {
+ if {![llength $opts(-name)]} {
error [format $err(valueMissing) "-name"]
}
- if { [llength $opts(-version)] == 0 } {
+ if {![llength $opts(-version)]} {
error [format $err(valueMissing) "-version"]
}
- if { [llength $opts(-source)] == 0 && [llength $opts(-load)] == 0 } {
+ if {!([llength $opts(-source)] || [llength $opts(-load)])} {
error $err(noLoadOrSource)
}
@@ -740,7 +736,7 @@ proc ::tcl::Pkg::Create {args} {
}
}
- if { [llength $lazyFileList] > 0 } {
+ if {[llength $lazyFileList]} {
lappend cmdList "\[list tclPkgSetup \$dir $opts(-name)\
$opts(-version) [list $lazyFileList]\]"
}
generated by cgit v0.12 at 2024-11-16 15:56:38 (GMT)