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proc tclInit {} {
rename tclInit {}
global auto_path tcl_library tcl_libPath
global tcl_version tcl_rcFileName
set noe [info nameofexecutable]
set mountpoint [subst "$::TCLKIT_MOUNTPOINT_VAR"]
# Resolve symlinks
set noe [file dirname [file normalize [file join $noe __dummy__]]]
set mountpoint [file dirname [file normalize [file join $mountpoint __dummy__]]]
set tcl_library [file join $noe lib tcl$tcl_version]
set tcl_libPath [list $tcl_library [file join $noe lib]]
set tcl_library [file join $mountpoint lib tcl$tcl_version]
set tcl_libPath [list $tcl_library [file join $mountpoint lib]]
# get rid of a build residue
unset -nocomplain ::tclDefaultLibrary
if {[info exists tcl_rcFileName]} {
if {[info exists ::TCLKIT_INITVFS]} {
catch {
load {} vfs
}
# lookup and emulate "source" of lib/vfs/{vfs*.tcl,mk4vfs.tcl}
switch -- $::tclKitStorage {
"mk4" {
load {} vfs
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}
}
seek $::tclKitStorage_fd 0
set vfsHandler [list ::vfs::zip::handler $::tclKitStorage_fd]
unset ::tclKitStorage_fd
}
"cvfs" {
set vfsHandler [list ::vfs::kitdll::vfshandler tcl]
}
}
# mount the executable, i.e. make all runtime files available
vfs::filesystem mount $noe $vfsHandler
vfs::filesystem mount $mountpoint $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 != ""} {
catch {
encoding system $::tclkit_system_encoding
}
}
unset -nocomplain ::tclkit_system_encoding
set noe [info nameofexecutable]
set noe [file dirname [file normalize [file join $noe __dummy__]]]
set mountpoint [file dirname [file normalize [file join $mountpoint __dummy__]]]
set tcl_library [file join $noe lib tcl$tcl_version]
set tcl_libPath [list $tcl_library [file join $noe lib]]
set tcl_library [file join $mountpoint lib tcl$tcl_version]
set tcl_libPath [list $tcl_library [file join $mountpoint lib]]
vfs::filesystem mount $noe $vfsHandler
vfs::filesystem mount $mountpoint $vfsHandler
}
# load config settings file if present
namespace eval ::vfs { variable tclkit_version 1 }
catch { uplevel #0 [list source [file join $noe config.tcl]] }
catch { uplevel #0 [list source [file join $mountpoint config.tcl]] }
# Perform expected initialization
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 $tcl_libPath
# This loads everything needed for "clock scan" to work
# "clock scan" is used within "vfs::zip", which may be
# loaded before this is run causing the root VFS to break
catch { clock scan }
if {$::TCLKIT_TYPE == "kitdll"} {
# Set a maximum seek to avoid reading the entire file looking for a
# zip header
catch {
package require vfs::zip
set ::zip::max_header_seek 8192
}
# Now that the initialization is complete, mount the user VFS if needed
## Mount the VFS from the Shared Object
if {[info exists ::TCLKIT_INITVFS] && [info exists ::tclKitFilename]} {
catch {
vfs::zip::Mount $::tclKitFilename "/.KITDLL_USER"
lappend auto_path [file normalize "/.KITDLL_USER/lib"]
}
}
## Mount the VFS from executable
if {[info exists ::TCLKIT_INITVFS]} {
catch {
vfs::zip::Mount [info nameofexecutable] "/.KITDLL_APP"
lappend auto_path [file normalize "/.KITDLL_APP/lib"]
}
}
}
# Cleanup
unset ::tclKitStorage
unset -nocomplain ::tclKitStorage_fd
# Clean up
unset -nocomplain ::zip::max_header_seek
unset -nocomplain ::TCLKIT_TYPE ::TCLKIT_INITVFS
unset -nocomplain ::TCLKIT_MOUNTPOINT ::TCLKIT_VFSSOURCE ::TCLKIT_MOUNTPOINT_VAR ::TCLKIT_VFSSOURCE_VAR
unset -nocomplain ::tclKitStorage ::tclKitStorage_fd ::tclKitFilename
unset -nocomplain ::tclkit_system_encoding
}
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