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windowsAgent/dist/tcl8/8.4/platform-1.0.14.tm

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+# -*- tcl -*-
+# ### ### ### ######### ######### #########
+## Overview
+
+# Heuristics to assemble a platform identifier from publicly available
+# information. The identifier describes the platform of the currently
+# running tcl shell. This is a mixture of the runtime environment and
+# of build-time properties of the executable itself.
+#
+# Examples:
+# <1> A tcl shell executing on a x86_64 processor, but having a
+#   wordsize of 4 was compiled for the x86 environment, i.e. 32
+#   bit, and loaded packages have to match that, and not the
+#   actual cpu.
+#
+# <2> The hp/solaris 32/64 bit builds of the core cannot be
+#   distinguished by looking at tcl_platform. As packages have to
+#   match the 32/64 information we have to look in more places. In
+#   this case we inspect the executable itself (magic numbers,
+#   i.e. fileutil::magic::filetype).
+#
+# The basic information used comes out of the 'os' and 'machine'
+# entries of the 'tcl_platform' array. A number of general and
+# os/machine specific transformation are applied to get a canonical
+# result.
+#
+# General
+# Only the first element of 'os' is used - we don't care whether we
+# are on "Windows NT" or "Windows XP" or whatever.
+#
+# Machine specific
+# % arm*   -> arm
+# % sun4*  -> sparc
+# % intel  -> ix86
+# % i*86*  -> ix86
+# % Power* -> powerpc
+# % x86_64 + wordSize 4 => x86 code
+#
+# OS specific
+# % AIX are always powerpc machines
+# % HP-UX 9000/800 etc means parisc
+# % linux has to take glibc version into account
+# % sunos -> solaris, and keep version number
+#
+# NOTE: A platform like linux glibc 2.3, which can use glibc 2.2 stuff
+# has to provide all possible allowed platform identifiers when
+# searching search. Ditto a solaris 2.8 platform can use solaris 2.6
+# packages. Etc. This is handled by the other procedure, see below.
+
+# ### ### ### ######### ######### #########
+## Requirements
+
+namespace eval ::platform {}
+
+# ### ### ### ######### ######### #########
+## Implementation
+
+# -- platform::generic
+#
+# Assembles an identifier for the generic platform. It leaves out
+# details like kernel version, libc version, etc.
+
+proc ::platform::generic {} {
+    global tcl_platform
+
+    set plat [string tolower [lindex $tcl_platform(os) 0]]
+    set cpu  $tcl_platform(machine)
+
+    switch -glob -- $cpu {
+	sun4* {
+	    set cpu sparc
+	}
+	intel -
+	i*86* {
+	    set cpu ix86
+	}
+	x86_64 {
+	    if {$tcl_platform(wordSize) == 4} {
+		# See Example <1> at the top of this file.
+		set cpu ix86
+	    }
+	}
+	"Power*" {
+	    set cpu powerpc
+	}
+	"arm*" {
+	    set cpu arm
+	}
+	ia64 {
+	    if {$tcl_platform(wordSize) == 4} {
+		append cpu _32
+	    }
+	}
+    }
+
+    switch -glob -- $plat {
+	cygwin* {
+	    set plat cygwin
+	}
+	windows {
+	    if {$tcl_platform(platform) == "unix"} {
+		set plat cygwin
+	    } else {
+		set plat win32
+	    }
+	    if {$cpu eq "amd64"} {
+		# Do not check wordSize, win32-x64 is an IL32P64 platform.
+		set cpu x86_64
+	    }
+	}
+	sunos {
+	    set plat solaris
+	    if {[string match "ix86" $cpu]} {
+		if {$tcl_platform(wordSize) == 8} {
+		    set cpu x86_64
+		}
+	    } elseif {![string match "ia64*" $cpu]} {
+		# sparc
+		if {$tcl_platform(wordSize) == 8} {
+		    append cpu 64
+		}
+	    }
+	}
+	darwin {
+	    set plat macosx
+	    # Correctly identify the cpu when running as a 64bit
+	    # process on a machine with a 32bit kernel
+	    if {$cpu eq "ix86"} {
+		if {$tcl_platform(wordSize) == 8} {
+		    set cpu x86_64
+		}
+	    }
+	}
+	aix {
+	    set cpu powerpc
+	    if {$tcl_platform(wordSize) == 8} {
+		append cpu 64
+	    }
+	}
+	hp-ux {
+	    set plat hpux
+	    if {![string match "ia64*" $cpu]} {
+		set cpu parisc
+		if {$tcl_platform(wordSize) == 8} {
+		    append cpu 64
+		}
+	    }
+	}
+	osf1 {
+	    set plat tru64
+	}
+    }
+
+    return "${plat}-${cpu}"
+}
+
+# -- platform::identify
+#
+# Assembles an identifier for the exact platform, by extending the
+# generic identifier. I.e. it adds in details like kernel version,
+# libc version, etc., if they are relevant for the loading of
+# packages on the platform.
+
+proc ::platform::identify {} {
+    global tcl_platform
+
+    set id [generic]
+    regexp {^([^-]+)-([^-]+)$} $id -> plat cpu
+
+    switch -- $plat {
+	solaris {
+	    regsub {^5} $tcl_platform(osVersion) 2 text
+	    append plat $text
+	    return "${plat}-${cpu}"
+	}
+	macosx {
+	    set major [lindex [split $tcl_platform(osVersion) .] 0]
+	    if {$major > 8} {
+		incr major -4
+		append plat 10.$major
+		return "${plat}-${cpu}"
+	    }
+	}
+	linux {
+	    # Look for the libc*.so and determine its version
+	    # (libc5/6, libc6 further glibc 2.X)
+
+	    set v unknown
+
+	    # Determine in which directory to look. /lib, or /lib64.
+	    # For that we use the tcl_platform(wordSize).
+	    #
+	    # We could use the 'cpu' info, per the equivalence below,
+	    # that however would be restricted to intel. And this may
+	    # be a arm, mips, etc. system. The wordsize is more
+	    # fundamental.
+	    #
+	    # ix86   <=> (wordSize == 4) <=> 32 bit ==> /lib
+	    # x86_64 <=> (wordSize == 8) <=> 64 bit ==> /lib64
+	    #
+	    # Do not look into /lib64 even if present, if the cpu
+	    # doesn't fit.
+
+	    # TODO: Determine the prefixes (i386, x86_64, ...) for
+	    # other cpus.  The path after the generic one is utterly
+	    # specific to intel right now.  Ok, on Ubuntu, possibly
+	    # other Debian systems we may apparently be able to query
+	    # the necessary CPU code. If we can't we simply use the
+	    # hardwired fallback.
+
+	    switch -exact -- $tcl_platform(wordSize) {
+		4 {
+		    lappend bases /lib
+		    if {[catch {
+			exec dpkg-architecture -qDEB_HOST_MULTIARCH
+		    } res]} {
+			lappend bases /lib/i386-linux-gnu
+		    } else {
+			# dpkg-arch returns the full tripled, not just cpu.
+			lappend bases /lib/$res
+		    }
+		}
+		8 {
+		    lappend bases /lib64
+		    if {[catch {
+			exec dpkg-architecture -qDEB_HOST_MULTIARCH
+		    } res]} {
+			lappend bases /lib/x86_64-linux-gnu
+		    } else {
+			# dpkg-arch returns the full tripled, not just cpu.
+			lappend bases /lib/$res
+		    }
+		}
+		default {
+		    return -code error "Bad wordSize $tcl_platform(wordSize), expected 4 or 8"
+		}
+	    }
+
+	    foreach base $bases {
+		if {[LibcVersion $base -> v]} break
+	    }
+
+	    append plat -$v
+	    return "${plat}-${cpu}"
+	}
+    }
+
+    return $id
+}
+
+proc ::platform::LibcVersion {base _->_ vv} {
+    upvar 1 $vv v
+    set libclist [lsort [glob -nocomplain -directory $base libc*]]
+
+    if {![llength $libclist]} { return 0 }
+
+    set libc [lindex $libclist 0]
+
+    # Try executing the library first. This should suceed
+    # for a glibc library, and return the version
+    # information.
+
+    if {![catch {
+	set vdata [lindex [split [exec $libc] \n] 0]
+    }]} {
+	regexp {version ([0-9]+(\.[0-9]+)*)} $vdata -> v
+	foreach {major minor} [split $v .] break
+	set v glibc${major}.${minor}
+	return 1
+    } else {
+	# We had trouble executing the library. We are now
+	# inspecting its name to determine the version
+	# number. This code by Larry McVoy.
+
+	if {[regexp -- {libc-([0-9]+)\.([0-9]+)} $libc -> major minor]} {
+	    set v glibc${major}.${minor}
+	    return 1
+	}
+    }
+    return 0
+}
+
+# -- platform::patterns
+#
+# Given an exact platform identifier, i.e. _not_ the generic
+# identifier it assembles a list of exact platform identifier
+# describing platform which should be compatible with the
+# input.
+#
+# I.e. packages for all platforms in the result list should be
+# loadable on the specified platform.
+
+# << Should we add the generic identifier to the list as well ? In
+#    general it is not compatible I believe. So better not. In many
+#    cases the exact identifier is identical to the generic one
+#    anyway.
+# >>
+
+proc ::platform::patterns {id} {
+    set res [list $id]
+    if {$id eq "tcl"} {return $res}
+
+    switch -glob --  $id {
+	solaris*-* {
+	    if {[regexp {solaris([^-]*)-(.*)} $id -> v cpu]} {
+		if {$v eq ""} {return $id}
+		foreach {major minor} [split $v .] break
+		incr minor -1
+		for {set j $minor} {$j >= 6} {incr j -1} {
+		    lappend res solaris${major}.${j}-${cpu}
+		}
+	    }
+	}
+	linux*-* {
+	    if {[regexp {linux-glibc([^-]*)-(.*)} $id -> v cpu]} {
+		foreach {major minor} [split $v .] break
+		incr minor -1
+		for {set j $minor} {$j >= 0} {incr j -1} {
+		    lappend res linux-glibc${major}.${j}-${cpu}
+		}
+	    }
+	}
+	macosx-powerpc {
+	    lappend res macosx-universal
+	}
+	macosx-x86_64 {
+	    lappend res macosx-i386-x86_64
+	}
+	macosx-ix86 {
+	    lappend res macosx-universal macosx-i386-x86_64
+	}
+	macosx*-*    {
+	    # 10.5+
+	    if {[regexp {macosx([^-]*)-(.*)} $id -> v cpu]} {
+
+		switch -exact -- $cpu {
+		    ix86    {
+			lappend alt i386-x86_64
+			lappend alt universal
+		    }
+		    x86_64  { lappend alt i386-x86_64 }
+		    default { set alt {} }
+		}
+
+		if {$v ne ""} {
+		    foreach {major minor} [split $v .] break
+
+		    # Add 10.5 to 10.minor to patterns.
+		    set res {}
+		    for {set j $minor} {$j >= 5} {incr j -1} {
+			lappend res macosx${major}.${j}-${cpu}
+			foreach a $alt {
+			    lappend res macosx${major}.${j}-$a
+			}
+		    }
+
+		    # Add unversioned patterns for 10.3/10.4 builds.
+		    lappend res macosx-${cpu}
+		    foreach a $alt {
+			lappend res macosx-$a
+		    }
+		} else {
+		    # No version, just do unversioned patterns.
+		    foreach a $alt {
+			lappend res macosx-$a
+		    }
+		}
+	    } else {
+		# no v, no cpu ... nothing
+	    }
+	}
+    }
+    lappend res tcl ; # Pure tcl packages are always compatible.
+    return $res
+}
+
+
+# ### ### ### ######### ######### #########
+## Ready
+
+package provide platform 1.0.14
+
+# ### ### ### ######### ######### #########
+## Demo application
+
+if {[info exists argv0] && ($argv0 eq [info script])} {
+    puts ====================================
+    parray tcl_platform
+    puts ====================================
+    puts Generic\ identification:\ [::platform::generic]
+    puts Exact\ identification:\ \ \ [::platform::identify]
+    puts ====================================
+    puts Search\ patterns:
+    puts *\ [join [::platform::patterns [::platform::identify]] \n*\ ]
+    puts ====================================
+    exit 0
+}

windowsAgent/dist/tcl8/8.4/platform/shell-1.1.4.tm

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+
+# -*- tcl -*-
+# ### ### ### ######### ######### #########
+## Overview
+
+# Higher-level commands which invoke the functionality of this package
+# for an arbitrary tcl shell (tclsh, wish, ...). This is required by a
+# repository as while the tcl shell executing packages uses the same
+# platform in general as a repository application there can be
+# differences in detail (i.e. 32/64 bit builds).
+
+# ### ### ### ######### ######### #########
+## Requirements
+
+package require platform
+namespace eval ::platform::shell {}
+
+# ### ### ### ######### ######### #########
+## Implementation
+
+# -- platform::shell::generic
+
+proc ::platform::shell::generic {shell} {
+    # Argument is the path to a tcl shell.
+
+    CHECK $shell
+    LOCATE base out
+
+    set     code {}
+    # Forget any pre-existing platform package, it might be in
+    # conflict with this one.
+    lappend code {package forget platform}
+    # Inject our platform package
+    lappend code [list source $base]
+    # Query and print the architecture
+    lappend code {puts [platform::generic]}
+    # And done
+    lappend code {exit 0}
+
+    set arch [RUN $shell [join $code \n]]
+
+    if {$out} {file delete -force $base}
+    return $arch
+}
+
+# -- platform::shell::identify
+
+proc ::platform::shell::identify {shell} {
+    # Argument is the path to a tcl shell.
+
+    CHECK $shell
+    LOCATE base out
+
+    set     code {}
+    # Forget any pre-existing platform package, it might be in
+    # conflict with this one.
+    lappend code {package forget platform}
+    # Inject our platform package
+    lappend code [list source $base]
+    # Query and print the architecture
+    lappend code {puts [platform::identify]}
+    # And done
+    lappend code {exit 0}
+
+    set arch [RUN $shell [join $code \n]]
+
+    if {$out} {file delete -force $base}
+    return $arch
+}
+
+# -- platform::shell::platform
+
+proc ::platform::shell::platform {shell} {
+    # Argument is the path to a tcl shell.
+
+    CHECK $shell
+
+    set     code {}
+    lappend code {puts $tcl_platform(platform)}
+    lappend code {exit 0}
+
+    return [RUN $shell [join $code \n]]
+}
+
+# ### ### ### ######### ######### #########
+## Internal helper commands.
+
+proc ::platform::shell::CHECK {shell} {
+    if {![file exists $shell]} {
+	return -code error "Shell \"$shell\" does not exist"
+    }
+    if {![file executable $shell]} {
+	return -code error "Shell \"$shell\" is not executable (permissions)"
+    }
+    return
+}
+
+proc ::platform::shell::LOCATE {bv ov} {
+    upvar 1 $bv base $ov out
+
+    # Locate the platform package for injection into the specified
+    # shell. We are using package management to find it, whereever it
+    # is, instead of using hardwired relative paths. This allows us to
+    # install the two packages as TMs without breaking the code
+    # here. If the found package is wrapped we copy the code somewhere
+    # where the spawned shell will be able to read it.
+
+    # This code is brittle, it needs has to adapt to whatever changes
+    # are made to the TM code, i.e. the provide statement generated by
+    # tm.tcl
+
+    set pl [package ifneeded platform [package require platform]]
+    set base [lindex $pl end]
+
+    set out 0
+    if {[lindex [file system $base]] ne "native"} {
+	set temp [TEMP]
+	file copy -force $base $temp
+	set base $temp
+	set out 1
+    }
+    return
+}
+
+proc ::platform::shell::RUN {shell code} {
+    set     c [TEMP]
+    set    cc [open $c w]
+    puts  $cc $code
+    close $cc
+
+    set e [TEMP]
+
+    set code [catch {
+        exec $shell $c 2> $e
+    } res]
+
+    file delete $c
+
+    if {$code} {
+	append res \n[read [set chan [open $e r]]][close $chan]
+	file delete $e
+	return -code error "Shell \"$shell\" is not executable ($res)"
+    }
+
+    file delete $e
+    return $res
+}
+
+proc ::platform::shell::TEMP {} {
+    set prefix platform
+
+    # This code is copied out of Tcllib's fileutil package.
+    # (TempFile/tempfile)
+
+    set tmpdir [DIR]
+
+    set chars "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
+    set nrand_chars 10
+    set maxtries 10
+    set access [list RDWR CREAT EXCL TRUNC]
+    set permission 0600
+    set channel ""
+    set checked_dir_writable 0
+    set mypid [pid]
+    for {set i 0} {$i < $maxtries} {incr i} {
+ 	set newname $prefix
+ 	for {set j 0} {$j < $nrand_chars} {incr j} {
+ 	    append newname [string index $chars \
+		    [expr {int(rand()*62)}]]
+ 	}
+	set newname [file join $tmpdir $newname]
+ 	if {[file exists $newname]} {
+ 	    after 1
+ 	} else {
+ 	    if {[catch {open $newname $access $permission} channel]} {
+ 		if {!$checked_dir_writable} {
+ 		    set dirname [file dirname $newname]
+ 		    if {![file writable $dirname]} {
+ 			return -code error "Directory $dirname is not writable"
+ 		    }
+ 		    set checked_dir_writable 1
+ 		}
+ 	    } else {
+ 		# Success
+		close $channel
+ 		return [file normalize $newname]
+ 	    }
+ 	}
+    }
+    if {$channel ne ""} {
+ 	return -code error "Failed to open a temporary file: $channel"
+    } else {
+ 	return -code error "Failed to find an unused temporary file name"
+    }
+}
+
+proc ::platform::shell::DIR {} {
+    # This code is copied out of Tcllib's fileutil package.
+    # (TempDir/tempdir)
+
+    global tcl_platform env
+
+    set attempdirs [list]
+
+    foreach tmp {TMPDIR TEMP TMP} {
+	if { [info exists env($tmp)] } {
+	    lappend attempdirs $env($tmp)
+	}
+    }
+
+    switch $tcl_platform(platform) {
+	windows {
+	    lappend attempdirs "C:\\TEMP" "C:\\TMP" "\\TEMP" "\\TMP"
+	}
+	macintosh {
+	    set tmpdir $env(TRASH_FOLDER)  ;# a better place?
+	}
+	default {
+	    lappend attempdirs \
+		[file join / tmp] \
+		[file join / var tmp] \
+		[file join / usr tmp]
+	}
+    }
+
+    lappend attempdirs [pwd]
+
+    foreach tmp $attempdirs {
+	if { [file isdirectory $tmp] && [file writable $tmp] } {
+	    return [file normalize $tmp]
+	}
+    }
+
+    # Fail if nothing worked.
+    return -code error "Unable to determine a proper directory for temporary files"
+}
+
+# ### ### ### ######### ######### #########
+## Ready
+
+package provide platform::shell 1.1.4