proc tclInit {} {
rename tclInit {}
global auto_path tcl_library tcl_libPath
global tcl_version tcl_rcFileName
set noe [info nameofexecutable]
# Resolve symlinks
set noe [file dirname [file normalize [file join $noe __dummy__]]]
set tcl_library [file join $noe lib tcl$tcl_version]
set tcl_libPath [list $tcl_library [file join $noe lib]]
# get rid of a build residue
unset -nocomplain ::tclDefaultLibrary
# the following code only gets executed once on startup
if {[info exists tcl_rcFileName]} {
# lookup and emulate "source" of lib/vfs/{vfs*.tcl,mk4vfs.tcl}
switch -- $::tclKitStorage {
"mk4" {
load {} vfs
# must use raw MetaKit calls because VFS is not yet in place
set d [mk::select exe.dirs parent 0 name lib]
set d [mk::select exe.dirs parent $d name vfs]
foreach x {vfsUtils vfslib mk4vfs} {
set n [mk::select exe.dirs!$d.files name $x.tcl]
set s [mk::get exe.dirs!$d.files!$n contents]
catch {set s [zlib decompress $s]}
uplevel #0 $s
}
# use on-the-fly decompression, if mk4vfs understands that
set mk4vfs::zstreamed 1
# Set VFS handler name
set vfsHandler [list ::vfs::mk4::handler exe]
}
"zip" {
set prefix "lib/vfs"
foreach file [list vfsUtils vfslib] {
set fullfile "${prefix}/${file}.tcl"
::zip::stat $::tclKitStorage_fd $fullfile finfo
seek $::tclKitStorage_fd $finfo(ino)
zip::Data $::tclKitStorage_fd sb s
switch -- $file {
"vfsUtils" {
# Preserve our working "::vfs::zip" implementation
# so we can replace it after the stub is replaced
# from vfsUtils
# The correct implementation will be provided by vfslib,
# but only if we can read it
rename ::vfs::zip ::vfs::zip_impl
}
}
uplevel #0 $s
switch -- $file {
"vfsUtils" {
# Restore preserved "::vfs:zip" implementation
rename ::vfs::zip {}
rename ::vfs::zip_impl ::vfs::zip
}
}
}
seek $::tclKitStorage_fd 0
set vfsHandler [list ::vfs::zip::handler $::tclKitStorage_fd]
unset ::tclKitStorage_fd
}
}
# mount the executable, i.e. make all runtime files available
vfs::filesystem mount $noe $vfsHandler
# alter path to find encodings
if {[info tclversion] eq "8.4"} {
load {} pwb
librarypath [info library]
} else {
encoding dirs [list [file join [info library] encoding]] ;# TIP 258
}
# fix system encoding, if it wasn't properly set up (200207.004 bug)
if {[encoding system] eq "identity"} {
if {[info exists ::tclkit_system_encoding] && $::tclkit_system_encoding != ""} {
encoding system $::tclkit_system_encoding
} else {
switch $::tcl_platform(platform) {
windows { encoding system cp1252 }
macintosh { encoding system macRoman }
default { encoding system iso8859-1 }
}
}
unset -nocomplain ::tclkit_system_encoding
}
# now remount the executable with the correct encoding
vfs::filesystem unmount [lindex [::vfs::filesystem info] 0]
set noe [info nameofexecutable]
# Resolve symlinks
set noe [file dirname [file normalize [file join $noe __dummy__]]]
set tcl_library [file join $noe lib tcl$tcl_version]
set tcl_libPath [list $tcl_library [file join $noe lib]]
vfs::filesystem mount $noe $vfsHandler
}
# load config settings file if present
namespace eval ::vfs { variable tclkit_version 1 }
catch { uplevel #0 [list source [file join $noe config.tcl]] }
uplevel #0 [list source [file join $tcl_library init.tcl]]
# reset auto_path, so that init.tcl's search outside of tclkit is cancelled
set auto_path $tcl_libPath
# This loads everything needed for "clock scan" to work
# "clock scan" is used within "vfs::zip", which may be
# loaded before this is run causing the root VFS to break
catch { clock scan }
# Cleanup
unset ::tclKitStorage
unset -nocomplain ::tclKitStorage_fd
}