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markom |
# init.tcl --
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#
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# Default system startup file for Tcl-based applications. Defines
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# "unknown" procedure and auto-load facilities.
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#
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# RCS: @(#) $Id: init.tcl,v 1.1.1.1 2002-01-16 10:25:30 markom Exp $
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#
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# Copyright (c) 1991-1993 The Regents of the University of California.
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# Copyright (c) 1994-1996 Sun Microsystems, Inc.
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#
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# See the file "license.terms" for information on usage and redistribution
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# of this file, and for a DISCLAIMER OF ALL WARRANTIES.
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#
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if {[info commands package] == ""} {
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error "version mismatch: library\nscripts expect Tcl version 7.5b1 or later but the loaded version is\nonly [info patchlevel]"
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}
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package require -exact Tcl 8.0
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# Compute the auto path to use in this interpreter.
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# The values on the path come from several locations:
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#
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# The environment variable TCLLIBPATH
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#
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# tcl_library, which is the directory containing this init.tcl script.
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# tclInitScript.h searches around for the directory containing this
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# init.tcl and defines tcl_library to that location before sourcing it.
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#
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# The parent directory of tcl_library. Adding the parent
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# means that packages in peer directories will be found automatically.
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#
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# tcl_pkgPath, which is set by the platform-specific initialization routines
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# On UNIX it is compiled in
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# On Windows it comes from the registry
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# On Macintosh it is "Tool Command Language" in the Extensions folder
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if {![info exists auto_path]} {
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if {[info exist env(TCLLIBPATH)]} {
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set auto_path $env(TCLLIBPATH)
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} else {
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set auto_path ""
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}
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}
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foreach __dir [list [info library] [file dirname [info library]]] {
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if {[lsearch -exact $auto_path $__dir] < 0} {
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lappend auto_path $__dir
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}
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}
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if {[info exist tcl_pkgPath]} {
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foreach __dir $tcl_pkgPath {
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if {[lsearch -exact $auto_path $__dir] < 0} {
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lappend auto_path $__dir
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}
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}
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}
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unset __dir
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# Windows specific initialization to handle case isses with envars
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if {(![interp issafe]) && ($tcl_platform(platform) == "windows")} {
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namespace eval tcl {
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proc envTraceProc {lo n1 n2 op} {
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set x $::env($n2)
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set ::env($lo) $x
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set ::env([string toupper $lo]) $x
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}
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}
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foreach p [array names env] {
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set u [string toupper $p]
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if {$u != $p} {
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switch -- $u {
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COMSPEC -
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PATH {
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if {![info exists env($u)]} {
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set env($u) $env($p)
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}
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trace variable env($p) w [list tcl::envTraceProc $p]
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trace variable env($u) w [list tcl::envTraceProc $p]
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}
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}
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}
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}
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if {[info exists p]} {
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unset p
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}
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if {[info exists u]} {
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unset u
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}
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if {![info exists env(COMSPEC)]} {
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if {$tcl_platform(os) == {Windows NT}} {
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set env(COMSPEC) cmd.exe
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} else {
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set env(COMSPEC) command.com
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}
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}
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}
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# Setup the unknown package handler
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package unknown tclPkgUnknown
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# Conditionalize for presence of exec.
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if {[info commands exec] == ""} {
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# Some machines, such as the Macintosh, do not have exec. Also, on all
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# platforms, safe interpreters do not have exec.
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set auto_noexec 1
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}
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set errorCode ""
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set errorInfo ""
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# Define a log command (which can be overwitten to log errors
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# differently, specially when stderr is not available)
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if {[info commands tclLog] == ""} {
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proc tclLog {string} {
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catch {puts stderr $string}
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}
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}
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# unknown --
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# This procedure is called when a Tcl command is invoked that doesn't
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# exist in the interpreter. It takes the following steps to make the
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# command available:
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#
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# 1. See if the command has the form "namespace inscope ns cmd" and
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# if so, concatenate its arguments onto the end and evaluate it.
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# 2. See if the autoload facility can locate the command in a
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# Tcl script file. If so, load it and execute it.
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# 3. If the command was invoked interactively at top-level:
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# (a) see if the command exists as an executable UNIX program.
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# If so, "exec" the command.
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# (b) see if the command requests csh-like history substitution
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# in one of the common forms !!, !<number>, or ^old^new. If
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# so, emulate csh's history substitution.
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# (c) see if the command is a unique abbreviation for another
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# command. If so, invoke the command.
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#
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# Arguments:
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# args - A list whose elements are the words of the original
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# command, including the command name.
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proc unknown args {
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global auto_noexec auto_noload env unknown_pending tcl_interactive
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global errorCode errorInfo
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# If the command word has the form "namespace inscope ns cmd"
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# then concatenate its arguments onto the end and evaluate it.
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set cmd [lindex $args 0]
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if {[regexp "^namespace\[ \t\n\]+inscope" $cmd] && [llength $cmd] == 4} {
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set arglist [lrange $args 1 end]
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set ret [catch {uplevel $cmd $arglist} result]
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if {$ret == 0} {
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return $result
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} else {
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return -code $ret -errorcode $errorCode $result
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}
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}
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# Save the values of errorCode and errorInfo variables, since they
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# may get modified if caught errors occur below. The variables will
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# be restored just before re-executing the missing command.
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set savedErrorCode $errorCode
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set savedErrorInfo $errorInfo
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set name [lindex $args 0]
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if {![info exists auto_noload]} {
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#
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# Make sure we're not trying to load the same proc twice.
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#
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if {[info exists unknown_pending($name)]} {
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return -code error "self-referential recursion in \"unknown\" for command \"$name\"";
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}
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set unknown_pending($name) pending;
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set ret [catch {auto_load $name [uplevel 1 {namespace current}]} msg]
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unset unknown_pending($name);
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if {$ret != 0} {
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return -code $ret -errorcode $errorCode \
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"error while autoloading \"$name\": $msg"
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}
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if {![array size unknown_pending]} {
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unset unknown_pending
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}
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if {$msg} {
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set errorCode $savedErrorCode
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set errorInfo $savedErrorInfo
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set code [catch {uplevel 1 $args} msg]
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if {$code == 1} {
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#
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# Strip the last five lines off the error stack (they're
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# from the "uplevel" command).
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#
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set new [split $errorInfo \n]
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set new [join [lrange $new 0 [expr {[llength $new] - 6}]] \n]
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return -code error -errorcode $errorCode \
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-errorinfo $new $msg
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} else {
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return -code $code $msg
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}
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}
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}
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if {([info level] == 1) && ([info script] == "") \
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&& [info exists tcl_interactive] && $tcl_interactive} {
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if {![info exists auto_noexec]} {
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set new [auto_execok $name]
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if {$new != ""} {
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set errorCode $savedErrorCode
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set errorInfo $savedErrorInfo
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set redir ""
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if {[info commands console] == ""} {
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set redir ">&@stdout <@stdin"
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}
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return [uplevel exec $redir $new [lrange $args 1 end]]
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}
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}
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set errorCode $savedErrorCode
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set errorInfo $savedErrorInfo
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if {$name == "!!"} {
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set newcmd [history event]
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} elseif {[regexp {^!(.+)$} $name dummy event]} {
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set newcmd [history event $event]
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} elseif {[regexp {^\^([^^]*)\^([^^]*)\^?$} $name dummy old new]} {
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set newcmd [history event -1]
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catch {regsub -all -- $old $newcmd $new newcmd}
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}
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if {[info exists newcmd]} {
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tclLog $newcmd
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history change $newcmd 0
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return [uplevel $newcmd]
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}
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| 237 |
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set ret [catch {set cmds [info commands $name*]} msg]
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| 238 |
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if {[string compare $name "::"] == 0} {
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set name ""
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}
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| 241 |
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if {$ret != 0} {
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| 242 |
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return -code $ret -errorcode $errorCode \
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| 243 |
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"error in unknown while checking if \"$name\" is a unique command abbreviation: $msg"
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| 244 |
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}
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| 245 |
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if {[llength $cmds] == 1} {
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| 246 |
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return [uplevel [lreplace $args 0 0 $cmds]]
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| 247 |
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}
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| 248 |
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if {[llength $cmds] != 0} {
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| 249 |
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if {$name == ""} {
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| 250 |
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return -code error "empty command name \"\""
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| 251 |
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} else {
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| 252 |
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return -code error \
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| 253 |
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"ambiguous command name \"$name\": [lsort $cmds]"
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| 254 |
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}
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| 255 |
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}
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| 256 |
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}
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| 257 |
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return -code error "invalid command name \"$name\""
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| 258 |
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}
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| 259 |
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| 260 |
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# auto_load --
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# Checks a collection of library directories to see if a procedure
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| 262 |
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# is defined in one of them. If so, it sources the appropriate
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| 263 |
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# library file to create the procedure. Returns 1 if it successfully
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| 264 |
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# loaded the procedure, 0 otherwise.
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| 265 |
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#
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| 266 |
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# Arguments:
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| 267 |
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# cmd - Name of the command to find and load.
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| 268 |
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# namespace (optional) The namespace where the command is being used - must be
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| 269 |
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# a canonical namespace as returned [namespace current]
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| 270 |
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# for instance. If not given, namespace current is used.
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| 271 |
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| 272 |
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proc auto_load {cmd {namespace {}}} {
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| 273 |
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global auto_index auto_oldpath auto_path
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| 274 |
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|
| 275 |
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if {[string length $namespace] == 0} {
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| 276 |
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set namespace [uplevel {namespace current}]
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| 277 |
|
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}
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| 278 |
|
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set nameList [auto_qualify $cmd $namespace]
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| 279 |
|
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# workaround non canonical auto_index entries that might be around
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| 280 |
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# from older auto_mkindex versions
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| 281 |
|
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lappend nameList $cmd
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| 282 |
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foreach name $nameList {
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| 283 |
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if {[info exists auto_index($name)]} {
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| 284 |
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uplevel #0 $auto_index($name)
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| 285 |
|
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return [expr {[info commands $name] != ""}]
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| 286 |
|
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}
|
| 287 |
|
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}
|
| 288 |
|
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if {![info exists auto_path]} {
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| 289 |
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return 0
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| 290 |
|
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}
|
| 291 |
|
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|
| 292 |
|
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if {![auto_load_index]} {
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| 293 |
|
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return 0
|
| 294 |
|
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}
|
| 295 |
|
|
|
| 296 |
|
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foreach name $nameList {
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| 297 |
|
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if {[info exists auto_index($name)]} {
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| 298 |
|
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uplevel #0 $auto_index($name)
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| 299 |
|
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if {[info commands $name] != ""} {
|
| 300 |
|
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return 1
|
| 301 |
|
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}
|
| 302 |
|
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}
|
| 303 |
|
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}
|
| 304 |
|
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return 0
|
| 305 |
|
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}
|
| 306 |
|
|
|
| 307 |
|
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# auto_load_index --
|
| 308 |
|
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# Loads the contents of tclIndex files on the auto_path directory
|
| 309 |
|
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# list. This is usually invoked within auto_load to load the index
|
| 310 |
|
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# of available commands. Returns 1 if the index is loaded, and 0 if
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| 311 |
|
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# the index is already loaded and up to date.
|
| 312 |
|
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#
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| 313 |
|
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# Arguments:
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| 314 |
|
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# None.
|
| 315 |
|
|
|
| 316 |
|
|
proc auto_load_index {} {
|
| 317 |
|
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global auto_index auto_oldpath auto_path errorInfo errorCode
|
| 318 |
|
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|
| 319 |
|
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if {[info exists auto_oldpath]} {
|
| 320 |
|
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if {$auto_oldpath == $auto_path} {
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| 321 |
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return 0
|
| 322 |
|
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}
|
| 323 |
|
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}
|
| 324 |
|
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set auto_oldpath $auto_path
|
| 325 |
|
|
|
| 326 |
|
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# Check if we are a safe interpreter. In that case, we support only
|
| 327 |
|
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# newer format tclIndex files.
|
| 328 |
|
|
|
| 329 |
|
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set issafe [interp issafe]
|
| 330 |
|
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for {set i [expr {[llength $auto_path] - 1}]} {$i >= 0} {incr i -1} {
|
| 331 |
|
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set dir [lindex $auto_path $i]
|
| 332 |
|
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set f ""
|
| 333 |
|
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if {$issafe} {
|
| 334 |
|
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catch {source [file join $dir tclIndex]}
|
| 335 |
|
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} elseif {[catch {set f [open [file join $dir tclIndex]]}]} {
|
| 336 |
|
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continue
|
| 337 |
|
|
} else {
|
| 338 |
|
|
set error [catch {
|
| 339 |
|
|
set id [gets $f]
|
| 340 |
|
|
if {$id == "# Tcl autoload index file, version 2.0"} {
|
| 341 |
|
|
eval [read $f]
|
| 342 |
|
|
} elseif {$id == \
|
| 343 |
|
|
"# Tcl autoload index file: each line identifies a Tcl"} {
|
| 344 |
|
|
while {[gets $f line] >= 0} {
|
| 345 |
|
|
if {([string index $line 0] == "#")
|
| 346 |
|
|
|| ([llength $line] != 2)} {
|
| 347 |
|
|
continue
|
| 348 |
|
|
}
|
| 349 |
|
|
set name [lindex $line 0]
|
| 350 |
|
|
set auto_index($name) \
|
| 351 |
|
|
"source [file join $dir [lindex $line 1]]"
|
| 352 |
|
|
}
|
| 353 |
|
|
} else {
|
| 354 |
|
|
error \
|
| 355 |
|
|
"[file join $dir tclIndex] isn't a proper Tcl index file"
|
| 356 |
|
|
}
|
| 357 |
|
|
} msg]
|
| 358 |
|
|
if {$f != ""} {
|
| 359 |
|
|
close $f
|
| 360 |
|
|
}
|
| 361 |
|
|
if {$error} {
|
| 362 |
|
|
error $msg $errorInfo $errorCode
|
| 363 |
|
|
}
|
| 364 |
|
|
}
|
| 365 |
|
|
}
|
| 366 |
|
|
return 1
|
| 367 |
|
|
}
|
| 368 |
|
|
|
| 369 |
|
|
# auto_qualify --
|
| 370 |
|
|
# compute a fully qualified names list for use in the auto_index array.
|
| 371 |
|
|
# For historical reasons, commands in the global namespace do not have leading
|
| 372 |
|
|
# :: in the index key. The list has two elements when the command name is
|
| 373 |
|
|
# relative (no leading ::) and the namespace is not the global one. Otherwise
|
| 374 |
|
|
# only one name is returned (and searched in the auto_index).
|
| 375 |
|
|
#
|
| 376 |
|
|
# Arguments -
|
| 377 |
|
|
# cmd The command name. Can be any name accepted for command
|
| 378 |
|
|
# invocations (Like "foo::::bar").
|
| 379 |
|
|
# namespace The namespace where the command is being used - must be
|
| 380 |
|
|
# a canonical namespace as returned by [namespace current]
|
| 381 |
|
|
# for instance.
|
| 382 |
|
|
|
| 383 |
|
|
proc auto_qualify {cmd namespace} {
|
| 384 |
|
|
|
| 385 |
|
|
# count separators and clean them up
|
| 386 |
|
|
# (making sure that foo:::::bar will be treated as foo::bar)
|
| 387 |
|
|
set n [regsub -all {::+} $cmd :: cmd]
|
| 388 |
|
|
|
| 389 |
|
|
# Ignore namespace if the name starts with ::
|
| 390 |
|
|
# Handle special case of only leading ::
|
| 391 |
|
|
|
| 392 |
|
|
# Before each return case we give an example of which category it is
|
| 393 |
|
|
# with the following form :
|
| 394 |
|
|
# ( inputCmd, inputNameSpace) -> output
|
| 395 |
|
|
|
| 396 |
|
|
if {[regexp {^::(.*)$} $cmd x tail]} {
|
| 397 |
|
|
if {$n > 1} {
|
| 398 |
|
|
# ( ::foo::bar , * ) -> ::foo::bar
|
| 399 |
|
|
return [list $cmd]
|
| 400 |
|
|
} else {
|
| 401 |
|
|
# ( ::global , * ) -> global
|
| 402 |
|
|
return [list $tail]
|
| 403 |
|
|
}
|
| 404 |
|
|
}
|
| 405 |
|
|
|
| 406 |
|
|
# Potentially returning 2 elements to try :
|
| 407 |
|
|
# (if the current namespace is not the global one)
|
| 408 |
|
|
|
| 409 |
|
|
if {$n == 0} {
|
| 410 |
|
|
if {[string compare $namespace ::] == 0} {
|
| 411 |
|
|
# ( nocolons , :: ) -> nocolons
|
| 412 |
|
|
return [list $cmd]
|
| 413 |
|
|
} else {
|
| 414 |
|
|
# ( nocolons , ::sub ) -> ::sub::nocolons nocolons
|
| 415 |
|
|
return [list ${namespace}::$cmd $cmd]
|
| 416 |
|
|
}
|
| 417 |
|
|
} else {
|
| 418 |
|
|
if {[string compare $namespace ::] == 0} {
|
| 419 |
|
|
# ( foo::bar , :: ) -> ::foo::bar
|
| 420 |
|
|
return [list ::$cmd]
|
| 421 |
|
|
} else {
|
| 422 |
|
|
# ( foo::bar , ::sub ) -> ::sub::foo::bar ::foo::bar
|
| 423 |
|
|
return [list ${namespace}::$cmd ::$cmd]
|
| 424 |
|
|
}
|
| 425 |
|
|
}
|
| 426 |
|
|
}
|
| 427 |
|
|
|
| 428 |
|
|
# auto_import --
|
| 429 |
|
|
# invoked during "namespace import" to make see if the imported commands
|
| 430 |
|
|
# reside in an autoloaded library. If so, the commands are loaded so
|
| 431 |
|
|
# that they will be available for the import links. If not, then this
|
| 432 |
|
|
# procedure does nothing.
|
| 433 |
|
|
#
|
| 434 |
|
|
# Arguments -
|
| 435 |
|
|
# pattern The pattern of commands being imported (like "foo::*")
|
| 436 |
|
|
# a canonical namespace as returned by [namespace current]
|
| 437 |
|
|
|
| 438 |
|
|
proc auto_import {pattern} {
|
| 439 |
|
|
global auto_index
|
| 440 |
|
|
|
| 441 |
|
|
set ns [uplevel namespace current]
|
| 442 |
|
|
set patternList [auto_qualify $pattern $ns]
|
| 443 |
|
|
|
| 444 |
|
|
auto_load_index
|
| 445 |
|
|
|
| 446 |
|
|
foreach pattern $patternList {
|
| 447 |
|
|
foreach name [array names auto_index] {
|
| 448 |
|
|
if {[string match $pattern $name] && "" == [info commands $name]} {
|
| 449 |
|
|
uplevel #0 $auto_index($name)
|
| 450 |
|
|
}
|
| 451 |
|
|
}
|
| 452 |
|
|
}
|
| 453 |
|
|
}
|
| 454 |
|
|
|
| 455 |
|
|
if {[string compare $tcl_platform(platform) windows] == 0} {
|
| 456 |
|
|
|
| 457 |
|
|
# auto_execok --
|
| 458 |
|
|
#
|
| 459 |
|
|
# Returns string that indicates name of program to execute if
|
| 460 |
|
|
# name corresponds to a shell builtin or an executable in the
|
| 461 |
|
|
# Windows search path, or "" otherwise. Builds an associative
|
| 462 |
|
|
# array auto_execs that caches information about previous checks,
|
| 463 |
|
|
# for speed.
|
| 464 |
|
|
#
|
| 465 |
|
|
# Arguments:
|
| 466 |
|
|
# name - Name of a command.
|
| 467 |
|
|
|
| 468 |
|
|
# Windows version.
|
| 469 |
|
|
#
|
| 470 |
|
|
# Note that info executable doesn't work under Windows, so we have to
|
| 471 |
|
|
# look for files with .exe, .com, or .bat extensions. Also, the path
|
| 472 |
|
|
# may be in the Path or PATH environment variables, and path
|
| 473 |
|
|
# components are separated with semicolons, not colons as under Unix.
|
| 474 |
|
|
#
|
| 475 |
|
|
proc auto_execok name {
|
| 476 |
|
|
global auto_execs env tcl_platform
|
| 477 |
|
|
|
| 478 |
|
|
if {[info exists auto_execs($name)]} {
|
| 479 |
|
|
return $auto_execs($name)
|
| 480 |
|
|
}
|
| 481 |
|
|
set auto_execs($name) ""
|
| 482 |
|
|
|
| 483 |
|
|
if {[lsearch -exact {cls copy date del erase dir echo mkdir md rename
|
| 484 |
|
|
ren rmdir rd time type ver vol} $name] != -1} {
|
| 485 |
|
|
return [set auto_execs($name) [list $env(COMSPEC) /c $name]]
|
| 486 |
|
|
}
|
| 487 |
|
|
|
| 488 |
|
|
if {[llength [file split $name]] != 1} {
|
| 489 |
|
|
foreach ext {{} .com .exe .bat} {
|
| 490 |
|
|
set file ${name}${ext}
|
| 491 |
|
|
if {[file exists $file] && ![file isdirectory $file]} {
|
| 492 |
|
|
return [set auto_execs($name) [list $file]]
|
| 493 |
|
|
}
|
| 494 |
|
|
}
|
| 495 |
|
|
return ""
|
| 496 |
|
|
}
|
| 497 |
|
|
|
| 498 |
|
|
set path "[file dirname [info nameof]];.;"
|
| 499 |
|
|
if {[info exists env(WINDIR)]} {
|
| 500 |
|
|
set windir $env(WINDIR)
|
| 501 |
|
|
}
|
| 502 |
|
|
if {[info exists windir]} {
|
| 503 |
|
|
if {$tcl_platform(os) == "Windows NT"} {
|
| 504 |
|
|
append path "$windir/system32;"
|
| 505 |
|
|
}
|
| 506 |
|
|
append path "$windir/system;$windir;"
|
| 507 |
|
|
}
|
| 508 |
|
|
|
| 509 |
|
|
if {[info exists env(PATH)]} {
|
| 510 |
|
|
# CYGNUS LOCAL: in the Cygwin environment, we convert to a
|
| 511 |
|
|
# Windows path first.
|
| 512 |
|
|
if {[llength [info commands ide_cygwin_path]]} {
|
| 513 |
|
|
append path [ide_cygwin_path posix_to_win32_path_list $env(PATH)]
|
| 514 |
|
|
} else {
|
| 515 |
|
|
append path $env(PATH)
|
| 516 |
|
|
}
|
| 517 |
|
|
}
|
| 518 |
|
|
|
| 519 |
|
|
foreach dir [split $path {;}] {
|
| 520 |
|
|
if {$dir == ""} {
|
| 521 |
|
|
set dir .
|
| 522 |
|
|
}
|
| 523 |
|
|
foreach ext {{} .com .exe .bat} {
|
| 524 |
|
|
set file [file join $dir ${name}${ext}]
|
| 525 |
|
|
if {[file exists $file] && ![file isdirectory $file]} {
|
| 526 |
|
|
return [set auto_execs($name) [list $file]]
|
| 527 |
|
|
}
|
| 528 |
|
|
}
|
| 529 |
|
|
}
|
| 530 |
|
|
return ""
|
| 531 |
|
|
}
|
| 532 |
|
|
|
| 533 |
|
|
} else {
|
| 534 |
|
|
|
| 535 |
|
|
# auto_execok --
|
| 536 |
|
|
#
|
| 537 |
|
|
# Returns string that indicates name of program to execute if
|
| 538 |
|
|
# name corresponds to an executable in the path. Builds an associative
|
| 539 |
|
|
# array auto_execs that caches information about previous checks,
|
| 540 |
|
|
# for speed.
|
| 541 |
|
|
#
|
| 542 |
|
|
# Arguments:
|
| 543 |
|
|
# name - Name of a command.
|
| 544 |
|
|
|
| 545 |
|
|
# Unix version.
|
| 546 |
|
|
#
|
| 547 |
|
|
proc auto_execok name {
|
| 548 |
|
|
global auto_execs env
|
| 549 |
|
|
|
| 550 |
|
|
if {[info exists auto_execs($name)]} {
|
| 551 |
|
|
return $auto_execs($name)
|
| 552 |
|
|
}
|
| 553 |
|
|
set auto_execs($name) ""
|
| 554 |
|
|
if {[llength [file split $name]] != 1} {
|
| 555 |
|
|
if {[file executable $name] && ![file isdirectory $name]} {
|
| 556 |
|
|
set auto_execs($name) [list $name]
|
| 557 |
|
|
}
|
| 558 |
|
|
return $auto_execs($name)
|
| 559 |
|
|
}
|
| 560 |
|
|
foreach dir [split $env(PATH) :] {
|
| 561 |
|
|
if {$dir == ""} {
|
| 562 |
|
|
set dir .
|
| 563 |
|
|
}
|
| 564 |
|
|
set file [file join $dir $name]
|
| 565 |
|
|
if {[file executable $file] && ![file isdirectory $file]} {
|
| 566 |
|
|
set auto_execs($name) [list $file]
|
| 567 |
|
|
return $auto_execs($name)
|
| 568 |
|
|
}
|
| 569 |
|
|
}
|
| 570 |
|
|
return ""
|
| 571 |
|
|
}
|
| 572 |
|
|
|
| 573 |
|
|
}
|
| 574 |
|
|
# auto_reset --
|
| 575 |
|
|
# Destroy all cached information for auto-loading and auto-execution,
|
| 576 |
|
|
# so that the information gets recomputed the next time it's needed.
|
| 577 |
|
|
# Also delete any procedures that are listed in the auto-load index
|
| 578 |
|
|
# except those defined in this file.
|
| 579 |
|
|
#
|
| 580 |
|
|
# Arguments:
|
| 581 |
|
|
# None.
|
| 582 |
|
|
|
| 583 |
|
|
proc auto_reset {} {
|
| 584 |
|
|
global auto_execs auto_index auto_oldpath
|
| 585 |
|
|
foreach p [info procs] {
|
| 586 |
|
|
if {[info exists auto_index($p)] && ![string match auto_* $p]
|
| 587 |
|
|
&& ([lsearch -exact {unknown pkg_mkIndex tclPkgSetup
|
| 588 |
|
|
tcl_findLibrary pkg_compareExtension
|
| 589 |
|
|
tclMacPkgSearch tclPkgUnknown} $p] < 0)} {
|
| 590 |
|
|
rename $p {}
|
| 591 |
|
|
}
|
| 592 |
|
|
}
|
| 593 |
|
|
catch {unset auto_execs}
|
| 594 |
|
|
catch {unset auto_index}
|
| 595 |
|
|
catch {unset auto_oldpath}
|
| 596 |
|
|
}
|
| 597 |
|
|
|
| 598 |
|
|
# tcl_findLibrary
|
| 599 |
|
|
# This is a utility for extensions that searches for a library directory
|
| 600 |
|
|
# using a canonical searching algorithm. A side effect is to source
|
| 601 |
|
|
# the initialization script and set a global library variable.
|
| 602 |
|
|
# Arguments:
|
| 603 |
|
|
# basename Prefix of the directory name, (e.g., "tk")
|
| 604 |
|
|
# version Version number of the package, (e.g., "8.0")
|
| 605 |
|
|
# patch Patchlevel of the package, (e.g., "8.0.3")
|
| 606 |
|
|
# initScript Initialization script to source (e.g., tk.tcl)
|
| 607 |
|
|
# enVarName environment variable to honor (e.g., TK_LIBRARY)
|
| 608 |
|
|
# varName Global variable to set when done (e.g., tk_library)
|
| 609 |
|
|
# CYGNUS LOCAL: We have funny things like gdb having different library
|
| 610 |
|
|
# names before & after install (and neither of them is gdb
|
| 611 |
|
|
# or gdb$version...
|
| 612 |
|
|
# srcLibName The name of the library directory in the build tree (assumed to be
|
| 613 |
|
|
# under the basename directory.
|
| 614 |
|
|
# instLibName The name of the installed library directory
|
| 615 |
|
|
# pkgName The package name (for cases like Itcl where you have
|
| 616 |
|
|
# several subpackages under one package...
|
| 617 |
|
|
# debug_startup Run the startup proc through debugger_eval?
|
| 618 |
|
|
|
| 619 |
|
|
proc tcl_findLibrary {basename version patch initScript
|
| 620 |
|
|
enVarName varName {srcLibName {}} {instLibName {}}
|
| 621 |
|
|
{pkgName {}} {debug_startup 0}} {
|
| 622 |
|
|
upvar #0 $varName the_library
|
| 623 |
|
|
global env errorInfo
|
| 624 |
|
|
|
| 625 |
|
|
set dirs {}
|
| 626 |
|
|
set errors {}
|
| 627 |
|
|
|
| 628 |
|
|
# The C application may have hardwired a path, which we honor
|
| 629 |
|
|
|
| 630 |
|
|
if {[info exist the_library]} {
|
| 631 |
|
|
lappend dirs $the_library
|
| 632 |
|
|
} else {
|
| 633 |
|
|
|
| 634 |
|
|
# Do the canonical search
|
| 635 |
|
|
|
| 636 |
|
|
# 1. From an environment variable, if it exists
|
| 637 |
|
|
|
| 638 |
|
|
if {[info exists env($enVarName)]} {
|
| 639 |
|
|
lappend dirs $env($enVarName)
|
| 640 |
|
|
}
|
| 641 |
|
|
|
| 642 |
|
|
# 2. Relative to the Tcl library
|
| 643 |
|
|
# CYGNUS LOCAL: look in several places relative to the tcl library.
|
| 644 |
|
|
|
| 645 |
|
|
if {$srcLibName == ""} {
|
| 646 |
|
|
set srcLibName library
|
| 647 |
|
|
}
|
| 648 |
|
|
if {$instLibName == ""} {
|
| 649 |
|
|
set instLibName $basename$version
|
| 650 |
|
|
}
|
| 651 |
|
|
|
| 652 |
|
|
set parentDir [file dirname [info library]]
|
| 653 |
|
|
set grandParentDir [file dirname $parentDir]
|
| 654 |
|
|
# These two are install locations without & with exec_prefix.
|
| 655 |
|
|
lappend dirs [file join $parentDir $instLibName]
|
| 656 |
|
|
lappend dirs [file join $grandParentDir $instLibName]
|
| 657 |
|
|
# The rest are in the build tree:
|
| 658 |
|
|
# this is for most things:
|
| 659 |
|
|
lappend dirs [file join $grandParentDir $basename $srcLibName]
|
| 660 |
|
|
# this is if we ever put version numbers on Tcl & Tk:
|
| 661 |
|
|
lappend dirs [file join $grandParentDir $basename$version $srcLibName]
|
| 662 |
|
|
# This handles itcl:
|
| 663 |
|
|
if {$pkgName != ""} {
|
| 664 |
|
|
lappend dirs [file join $grandParentDir $pkgName $basename $srcLibName]
|
| 665 |
|
|
lappend dirs [file join $grandParentDir $pkgName $basename$version $srcLibName]
|
| 666 |
|
|
}
|
| 667 |
|
|
|
| 668 |
|
|
# 3. Various locations relative to the executable
|
| 669 |
|
|
#CYGNUS LOCAL - I took all this out. For Cygnus, it seems more
|
| 670 |
|
|
# reasonable to look relative to tcl_library. This might be anywhere
|
| 671 |
|
|
# since the source & build trees are often widely separated,
|
| 672 |
|
|
# but once you've found tcl_library, you've found the source tree,
|
| 673 |
|
|
# and everything else is easy...
|
| 674 |
|
|
}
|
| 675 |
|
|
|
| 676 |
|
|
foreach i $dirs {
|
| 677 |
|
|
set the_library $i
|
| 678 |
|
|
set file [file join $i $initScript]
|
| 679 |
|
|
|
| 680 |
|
|
# source everything when in a safe interpreter because
|
| 681 |
|
|
# we have a source command, but no file exists command
|
| 682 |
|
|
|
| 683 |
|
|
if {[interp issafe] || [file exists $file]} {
|
| 684 |
|
|
if {$debug_startup} {
|
| 685 |
|
|
|
| 686 |
|
|
if {![catch {uplevel \#0 debugger_eval [list [list source $file]]} msg]} {
|
| 687 |
|
|
return
|
| 688 |
|
|
} else {
|
| 689 |
|
|
append errors "$file: $msg\n$errorInfo\n"
|
| 690 |
|
|
}
|
| 691 |
|
|
} else {
|
| 692 |
|
|
if {![catch {uplevel \#0 [list source $file]} msg]} {
|
| 693 |
|
|
return
|
| 694 |
|
|
} else {
|
| 695 |
|
|
append errors "$file: $msg\n$errorInfo\n"
|
| 696 |
|
|
}
|
| 697 |
|
|
}
|
| 698 |
|
|
}
|
| 699 |
|
|
}
|
| 700 |
|
|
set msg "Can't find a usable $initScript in the following directories: \n"
|
| 701 |
|
|
append msg " $dirs\n\n"
|
| 702 |
|
|
append msg "$errors\n\n"
|
| 703 |
|
|
append msg "This probably means that $basename wasn't installed properly.\n"
|
| 704 |
|
|
error $msg
|
| 705 |
|
|
}
|
| 706 |
|
|
|
| 707 |
|
|
|
| 708 |
|
|
# OPTIONAL SUPPORT PROCEDURES
|
| 709 |
|
|
# In Tcl 8.1 all the code below here has been moved to other files to
|
| 710 |
|
|
# reduce the size of init.tcl
|
| 711 |
|
|
|
| 712 |
|
|
# ----------------------------------------------------------------------
|
| 713 |
|
|
# auto_mkindex
|
| 714 |
|
|
# ----------------------------------------------------------------------
|
| 715 |
|
|
# The following procedures are used to generate the tclIndex file
|
| 716 |
|
|
# from Tcl source files. They use a special safe interpreter to
|
| 717 |
|
|
# parse Tcl source files, writing out index entries as "proc"
|
| 718 |
|
|
# commands are encountered. This implementation won't work in a
|
| 719 |
|
|
# safe interpreter, since a safe interpreter can't create the
|
| 720 |
|
|
# special parser and mess with its commands. If this is a safe
|
| 721 |
|
|
# interpreter, we simply clip these procs out.
|
| 722 |
|
|
|
| 723 |
|
|
if {! [interp issafe]} {
|
| 724 |
|
|
|
| 725 |
|
|
# auto_mkindex --
|
| 726 |
|
|
# Regenerate a tclIndex file from Tcl source files. Takes as argument
|
| 727 |
|
|
# the name of the directory in which the tclIndex file is to be placed,
|
| 728 |
|
|
# followed by any number of glob patterns to use in that directory to
|
| 729 |
|
|
# locate all of the relevant files.
|
| 730 |
|
|
#
|
| 731 |
|
|
# Arguments:
|
| 732 |
|
|
# dir - Name of the directory in which to create an index.
|
| 733 |
|
|
# args - Any number of additional arguments giving the
|
| 734 |
|
|
# names of files within dir. If no additional
|
| 735 |
|
|
# are given auto_mkindex will look for *.tcl.
|
| 736 |
|
|
|
| 737 |
|
|
proc auto_mkindex {dir args} {
|
| 738 |
|
|
global errorCode errorInfo
|
| 739 |
|
|
|
| 740 |
|
|
set oldDir [pwd]
|
| 741 |
|
|
cd $dir
|
| 742 |
|
|
set dir [pwd]
|
| 743 |
|
|
|
| 744 |
|
|
append index "# Tcl autoload index file, version 2.0\n"
|
| 745 |
|
|
append index "# This file is generated by the \"auto_mkindex\" command\n"
|
| 746 |
|
|
append index "# and sourced to set up indexing information for one or\n"
|
| 747 |
|
|
append index "# more commands. Typically each line is a command that\n"
|
| 748 |
|
|
append index "# sets an element in the auto_index array, where the\n"
|
| 749 |
|
|
append index "# element name is the name of a command and the value is\n"
|
| 750 |
|
|
append index "# a script that loads the command.\n\n"
|
| 751 |
|
|
if {$args == ""} {
|
| 752 |
|
|
set args *.tcl
|
| 753 |
|
|
}
|
| 754 |
|
|
foreach file [eval glob $args] {
|
| 755 |
|
|
auto_mkindex_parser::init
|
| 756 |
|
|
if {[catch {auto_mkindex_parser::mkindex $file} msg] == 0} {
|
| 757 |
|
|
append index $msg
|
| 758 |
|
|
} else {
|
| 759 |
|
|
set code $errorCode
|
| 760 |
|
|
set info $errorInfo
|
| 761 |
|
|
cd $oldDir
|
| 762 |
|
|
error $msg $info $code
|
| 763 |
|
|
}
|
| 764 |
|
|
auto_mkindex_parser::cleanup
|
| 765 |
|
|
}
|
| 766 |
|
|
|
| 767 |
|
|
set fid [open "tclIndex" w]
|
| 768 |
|
|
puts $fid $index nonewline
|
| 769 |
|
|
close $fid
|
| 770 |
|
|
cd $oldDir
|
| 771 |
|
|
}
|
| 772 |
|
|
|
| 773 |
|
|
# Original version of auto_mkindex that just searches the source
|
| 774 |
|
|
# code for "proc" at the beginning of the line.
|
| 775 |
|
|
|
| 776 |
|
|
proc auto_mkindex_old {dir args} {
|
| 777 |
|
|
global errorCode errorInfo
|
| 778 |
|
|
set oldDir [pwd]
|
| 779 |
|
|
cd $dir
|
| 780 |
|
|
set dir [pwd]
|
| 781 |
|
|
append index "# Tcl autoload index file, version 2.0\n"
|
| 782 |
|
|
append index "# This file is generated by the \"auto_mkindex\" command\n"
|
| 783 |
|
|
append index "# and sourced to set up indexing information for one or\n"
|
| 784 |
|
|
append index "# more commands. Typically each line is a command that\n"
|
| 785 |
|
|
append index "# sets an element in the auto_index array, where the\n"
|
| 786 |
|
|
append index "# element name is the name of a command and the value is\n"
|
| 787 |
|
|
append index "# a script that loads the command.\n\n"
|
| 788 |
|
|
if {$args == ""} {
|
| 789 |
|
|
set args *.tcl
|
| 790 |
|
|
}
|
| 791 |
|
|
foreach file [eval glob $args] {
|
| 792 |
|
|
set f ""
|
| 793 |
|
|
set error [catch {
|
| 794 |
|
|
set f [open $file]
|
| 795 |
|
|
while {[gets $f line] >= 0} {
|
| 796 |
|
|
if {[regexp {^proc[ ]+([^ ]*)} $line match procName]} {
|
| 797 |
|
|
set procName [lindex [auto_qualify $procName "::"] 0]
|
| 798 |
|
|
append index "set [list auto_index($procName)]"
|
| 799 |
|
|
append index " \[list source \[file join \$dir [list $file]\]\]\n"
|
| 800 |
|
|
}
|
| 801 |
|
|
}
|
| 802 |
|
|
close $f
|
| 803 |
|
|
} msg]
|
| 804 |
|
|
if {$error} {
|
| 805 |
|
|
set code $errorCode
|
| 806 |
|
|
set info $errorInfo
|
| 807 |
|
|
catch {close $f}
|
| 808 |
|
|
cd $oldDir
|
| 809 |
|
|
error $msg $info $code
|
| 810 |
|
|
}
|
| 811 |
|
|
}
|
| 812 |
|
|
set f ""
|
| 813 |
|
|
set error [catch {
|
| 814 |
|
|
set f [open tclIndex w]
|
| 815 |
|
|
puts $f $index nonewline
|
| 816 |
|
|
close $f
|
| 817 |
|
|
cd $oldDir
|
| 818 |
|
|
} msg]
|
| 819 |
|
|
if {$error} {
|
| 820 |
|
|
set code $errorCode
|
| 821 |
|
|
set info $errorInfo
|
| 822 |
|
|
catch {close $f}
|
| 823 |
|
|
cd $oldDir
|
| 824 |
|
|
error $msg $info $code
|
| 825 |
|
|
}
|
| 826 |
|
|
}
|
| 827 |
|
|
|
| 828 |
|
|
# Create a safe interpreter that can be used to parse Tcl source files
|
| 829 |
|
|
# generate a tclIndex file for autoloading. This interp contains
|
| 830 |
|
|
# commands for things that need index entries. Each time a command
|
| 831 |
|
|
# is executed, it writes an entry out to the index file.
|
| 832 |
|
|
|
| 833 |
|
|
namespace eval auto_mkindex_parser {
|
| 834 |
|
|
variable parser "" ;# parser used to build index
|
| 835 |
|
|
variable index "" ;# maintains index as it is built
|
| 836 |
|
|
variable scriptFile "" ;# name of file being processed
|
| 837 |
|
|
variable contextStack "" ;# stack of namespace scopes
|
| 838 |
|
|
variable imports "" ;# keeps track of all imported cmds
|
| 839 |
|
|
variable initCommands "" ;# list of commands that create aliases
|
| 840 |
|
|
proc init {} {
|
| 841 |
|
|
variable parser
|
| 842 |
|
|
variable initCommands
|
| 843 |
|
|
if {![interp issafe]} {
|
| 844 |
|
|
set parser [interp create -safe]
|
| 845 |
|
|
$parser hide info
|
| 846 |
|
|
$parser hide rename
|
| 847 |
|
|
$parser hide proc
|
| 848 |
|
|
$parser hide namespace
|
| 849 |
|
|
$parser hide eval
|
| 850 |
|
|
$parser hide puts
|
| 851 |
|
|
$parser invokehidden namespace delete ::
|
| 852 |
|
|
$parser invokehidden proc unknown {args} {}
|
| 853 |
|
|
|
| 854 |
|
|
#
|
| 855 |
|
|
# We'll need access to the "namespace" command within the
|
| 856 |
|
|
# interp. Put it back, but move it out of the way.
|
| 857 |
|
|
#
|
| 858 |
|
|
$parser expose namespace
|
| 859 |
|
|
$parser invokehidden rename namespace _%@namespace
|
| 860 |
|
|
$parser expose eval
|
| 861 |
|
|
$parser invokehidden rename eval _%@eval
|
| 862 |
|
|
|
| 863 |
|
|
# Install all the registered psuedo-command implementations
|
| 864 |
|
|
|
| 865 |
|
|
foreach cmd $initCommands {
|
| 866 |
|
|
eval $cmd
|
| 867 |
|
|
}
|
| 868 |
|
|
}
|
| 869 |
|
|
}
|
| 870 |
|
|
proc cleanup {} {
|
| 871 |
|
|
variable parser
|
| 872 |
|
|
interp delete $parser
|
| 873 |
|
|
unset parser
|
| 874 |
|
|
}
|
| 875 |
|
|
}
|
| 876 |
|
|
|
| 877 |
|
|
# auto_mkindex_parser::mkindex --
|
| 878 |
|
|
# Used by the "auto_mkindex" command to create a "tclIndex" file for
|
| 879 |
|
|
# the given Tcl source file. Executes the commands in the file, and
|
| 880 |
|
|
# handles things like the "proc" command by adding an entry for the
|
| 881 |
|
|
# index file. Returns a string that represents the index file.
|
| 882 |
|
|
#
|
| 883 |
|
|
# Arguments:
|
| 884 |
|
|
# file - Name of Tcl source file to be indexed.
|
| 885 |
|
|
|
| 886 |
|
|
proc auto_mkindex_parser::mkindex {file} {
|
| 887 |
|
|
variable parser
|
| 888 |
|
|
variable index
|
| 889 |
|
|
variable scriptFile
|
| 890 |
|
|
variable contextStack
|
| 891 |
|
|
variable imports
|
| 892 |
|
|
|
| 893 |
|
|
set scriptFile $file
|
| 894 |
|
|
|
| 895 |
|
|
set fid [open $file]
|
| 896 |
|
|
set contents [read $fid]
|
| 897 |
|
|
close $fid
|
| 898 |
|
|
|
| 899 |
|
|
# There is one problem with sourcing files into the safe
|
| 900 |
|
|
# interpreter: references like "$x" will fail since code is not
|
| 901 |
|
|
# really being executed and variables do not really exist.
|
| 902 |
|
|
# Be careful to escape all naked "$" before evaluating.
|
| 903 |
|
|
|
| 904 |
|
|
regsub -all {([^\$])\$([^\$])} $contents {\1\\$\2} contents
|
| 905 |
|
|
|
| 906 |
|
|
set index ""
|
| 907 |
|
|
set contextStack ""
|
| 908 |
|
|
set imports ""
|
| 909 |
|
|
|
| 910 |
|
|
$parser eval $contents
|
| 911 |
|
|
|
| 912 |
|
|
foreach name $imports {
|
| 913 |
|
|
catch {$parser eval [list _%@namespace forget $name]}
|
| 914 |
|
|
}
|
| 915 |
|
|
return $index
|
| 916 |
|
|
}
|
| 917 |
|
|
|
| 918 |
|
|
# auto_mkindex_parser::hook command
|
| 919 |
|
|
# Registers a Tcl command to evaluate when initializing the
|
| 920 |
|
|
# slave interpreter used by the mkindex parser.
|
| 921 |
|
|
# The command is evaluated in the master interpreter, and can
|
| 922 |
|
|
# use the variable auto_mkindex_parser::parser to get to the slave
|
| 923 |
|
|
|
| 924 |
|
|
proc auto_mkindex_parser::hook {cmd} {
|
| 925 |
|
|
variable initCommands
|
| 926 |
|
|
|
| 927 |
|
|
lappend initCommands $cmd
|
| 928 |
|
|
}
|
| 929 |
|
|
|
| 930 |
|
|
# auto_mkindex_parser::slavehook command
|
| 931 |
|
|
# Registers a Tcl command to evaluate when initializing the
|
| 932 |
|
|
# slave interpreter used by the mkindex parser.
|
| 933 |
|
|
# The command is evaluated in the slave interpreter.
|
| 934 |
|
|
|
| 935 |
|
|
proc auto_mkindex_parser::slavehook {cmd} {
|
| 936 |
|
|
variable initCommands
|
| 937 |
|
|
|
| 938 |
|
|
lappend initCommands "\$parser eval [list $cmd]"
|
| 939 |
|
|
}
|
| 940 |
|
|
|
| 941 |
|
|
# auto_mkindex_parser::command --
|
| 942 |
|
|
# Registers a new command with the "auto_mkindex_parser" interpreter
|
| 943 |
|
|
# that parses Tcl files. These commands are fake versions of things
|
| 944 |
|
|
# like the "proc" command. When you execute them, they simply write
|
| 945 |
|
|
# out an entry to a "tclIndex" file for auto-loading.
|
| 946 |
|
|
#
|
| 947 |
|
|
# This procedure allows extensions to register their own commands
|
| 948 |
|
|
# with the auto_mkindex facility. For example, a package like
|
| 949 |
|
|
# [incr Tcl] might register a "class" command so that class definitions
|
| 950 |
|
|
# could be added to a "tclIndex" file for auto-loading.
|
| 951 |
|
|
#
|
| 952 |
|
|
# Arguments:
|
| 953 |
|
|
# name - Name of command recognized in Tcl files.
|
| 954 |
|
|
# arglist - Argument list for command.
|
| 955 |
|
|
# body - Implementation of command to handle indexing.
|
| 956 |
|
|
|
| 957 |
|
|
proc auto_mkindex_parser::command {name arglist body} {
|
| 958 |
|
|
hook [list auto_mkindex_parser::commandInit $name $arglist $body]
|
| 959 |
|
|
}
|
| 960 |
|
|
|
| 961 |
|
|
# auto_mkindex_parser::commandInit --
|
| 962 |
|
|
# This does the actual work set up by auto_mkindex_parser::command
|
| 963 |
|
|
# This is called when the interpreter used by the parser is created.
|
| 964 |
|
|
|
| 965 |
|
|
proc auto_mkindex_parser::commandInit {name arglist body} {
|
| 966 |
|
|
variable parser
|
| 967 |
|
|
|
| 968 |
|
|
set ns [namespace qualifiers $name]
|
| 969 |
|
|
set tail [namespace tail $name]
|
| 970 |
|
|
if {$ns == ""} {
|
| 971 |
|
|
set fakeName "[namespace current]::_%@fake_$tail"
|
| 972 |
|
|
} else {
|
| 973 |
|
|
set fakeName "_%@fake_$name"
|
| 974 |
|
|
regsub -all {::} $fakeName "_" fakeName
|
| 975 |
|
|
set fakeName "[namespace current]::$fakeName"
|
| 976 |
|
|
}
|
| 977 |
|
|
proc $fakeName $arglist $body
|
| 978 |
|
|
|
| 979 |
|
|
#
|
| 980 |
|
|
# YUK! Tcl won't let us alias fully qualified command names,
|
| 981 |
|
|
# so we can't handle names like "::itcl::class". Instead,
|
| 982 |
|
|
# we have to build procs with the fully qualified names, and
|
| 983 |
|
|
# have the procs point to the aliases.
|
| 984 |
|
|
#
|
| 985 |
|
|
if {[regexp {::} $name]} {
|
| 986 |
|
|
set exportCmd [list _%@namespace export [namespace tail $name]]
|
| 987 |
|
|
$parser eval [list _%@namespace eval $ns $exportCmd]
|
| 988 |
|
|
set alias [namespace tail $fakeName]
|
| 989 |
|
|
$parser invokehidden proc $name {args} "_%@eval $alias \$args"
|
| 990 |
|
|
$parser alias $alias $fakeName
|
| 991 |
|
|
} else {
|
| 992 |
|
|
$parser alias $name $fakeName
|
| 993 |
|
|
}
|
| 994 |
|
|
return
|
| 995 |
|
|
}
|
| 996 |
|
|
|
| 997 |
|
|
# auto_mkindex_parser::fullname --
|
| 998 |
|
|
# Used by commands like "proc" within the auto_mkindex parser.
|
| 999 |
|
|
# Returns the qualified namespace name for the "name" argument.
|
| 1000 |
|
|
# If the "name" does not start with "::", elements are added from
|
| 1001 |
|
|
# the current namespace stack to produce a qualified name. Then,
|
| 1002 |
|
|
# the name is examined to see whether or not it should really be
|
| 1003 |
|
|
# qualified. If the name has more than the leading "::", it is
|
| 1004 |
|
|
# returned as a fully qualified name. Otherwise, it is returned
|
| 1005 |
|
|
# as a simple name. That way, the Tcl autoloader will recognize
|
| 1006 |
|
|
# it properly.
|
| 1007 |
|
|
#
|
| 1008 |
|
|
# Arguments:
|
| 1009 |
|
|
# name - Name that is being added to index.
|
| 1010 |
|
|
|
| 1011 |
|
|
proc auto_mkindex_parser::fullname {name} {
|
| 1012 |
|
|
variable contextStack
|
| 1013 |
|
|
|
| 1014 |
|
|
if {![string match ::* $name]} {
|
| 1015 |
|
|
foreach ns $contextStack {
|
| 1016 |
|
|
set name "${ns}::$name"
|
| 1017 |
|
|
if {[string match ::* $name]} {
|
| 1018 |
|
|
break
|
| 1019 |
|
|
}
|
| 1020 |
|
|
}
|
| 1021 |
|
|
}
|
| 1022 |
|
|
|
| 1023 |
|
|
if {[namespace qualifiers $name] == ""} {
|
| 1024 |
|
|
return [namespace tail $name]
|
| 1025 |
|
|
} elseif {![string match ::* $name]} {
|
| 1026 |
|
|
return "::$name"
|
| 1027 |
|
|
}
|
| 1028 |
|
|
return $name
|
| 1029 |
|
|
}
|
| 1030 |
|
|
|
| 1031 |
|
|
# Register all of the procedures for the auto_mkindex parser that
|
| 1032 |
|
|
# will build the "tclIndex" file.
|
| 1033 |
|
|
|
| 1034 |
|
|
# AUTO MKINDEX: proc name arglist body
|
| 1035 |
|
|
# Adds an entry to the auto index list for the given procedure name.
|
| 1036 |
|
|
|
| 1037 |
|
|
auto_mkindex_parser::command proc {name args} {
|
| 1038 |
|
|
variable index
|
| 1039 |
|
|
variable scriptFile
|
| 1040 |
|
|
append index "set [list auto_index([fullname $name])]"
|
| 1041 |
|
|
append index " \[list source \[file join \$dir [list $scriptFile]\]\]\n"
|
| 1042 |
|
|
}
|
| 1043 |
|
|
|
| 1044 |
|
|
# AUTO MKINDEX: namespace eval name command ?arg arg...?
|
| 1045 |
|
|
# Adds the namespace name onto the context stack and evaluates the
|
| 1046 |
|
|
# associated body of commands.
|
| 1047 |
|
|
#
|
| 1048 |
|
|
# AUTO MKINDEX: namespace import ?-force? pattern ?pattern...?
|
| 1049 |
|
|
# Performs the "import" action in the parser interpreter. This is
|
| 1050 |
|
|
# important for any commands contained in a namespace that affect
|
| 1051 |
|
|
# the index. For example, a script may say "itcl::class ...",
|
| 1052 |
|
|
# or it may import "itcl::*" and then say "class ...". This
|
| 1053 |
|
|
# procedure does the import operation, but keeps track of imported
|
| 1054 |
|
|
# patterns so we can remove the imports later.
|
| 1055 |
|
|
|
| 1056 |
|
|
auto_mkindex_parser::command namespace {op args} {
|
| 1057 |
|
|
switch -- $op {
|
| 1058 |
|
|
eval {
|
| 1059 |
|
|
variable parser
|
| 1060 |
|
|
variable contextStack
|
| 1061 |
|
|
|
| 1062 |
|
|
set name [lindex $args 0]
|
| 1063 |
|
|
set args [lrange $args 1 end]
|
| 1064 |
|
|
|
| 1065 |
|
|
set contextStack [linsert $contextStack 0 $name]
|
| 1066 |
|
|
if {[llength $args] == 1} {
|
| 1067 |
|
|
$parser eval [lindex $args 0]
|
| 1068 |
|
|
} else {
|
| 1069 |
|
|
eval $parser eval $args
|
| 1070 |
|
|
}
|
| 1071 |
|
|
set contextStack [lrange $contextStack 1 end]
|
| 1072 |
|
|
}
|
| 1073 |
|
|
import {
|
| 1074 |
|
|
variable parser
|
| 1075 |
|
|
variable imports
|
| 1076 |
|
|
foreach pattern $args {
|
| 1077 |
|
|
if {$pattern != "-force"} {
|
| 1078 |
|
|
lappend imports $pattern
|
| 1079 |
|
|
}
|
| 1080 |
|
|
}
|
| 1081 |
|
|
catch {$parser eval "_%@namespace import $args"}
|
| 1082 |
|
|
}
|
| 1083 |
|
|
}
|
| 1084 |
|
|
}
|
| 1085 |
|
|
|
| 1086 |
|
|
# Close of the if ![interp issafe] block
|
| 1087 |
|
|
}
|
| 1088 |
|
|
|
| 1089 |
|
|
# pkg_compareExtension --
|
| 1090 |
|
|
#
|
| 1091 |
|
|
# Used internally by pkg_mkIndex to compare the extension of a file to
|
| 1092 |
|
|
# a given extension. On Windows, it uses a case-insensitive comparison.
|
| 1093 |
|
|
#
|
| 1094 |
|
|
# Arguments:
|
| 1095 |
|
|
# fileName name of a file whose extension is compared
|
| 1096 |
|
|
# ext (optional) The extension to compare against; you must
|
| 1097 |
|
|
# provide the starting dot.
|
| 1098 |
|
|
# Defaults to [info sharedlibextension]
|
| 1099 |
|
|
#
|
| 1100 |
|
|
# Results:
|
| 1101 |
|
|
# Returns 1 if the extension matches, 0 otherwise
|
| 1102 |
|
|
|
| 1103 |
|
|
proc pkg_compareExtension { fileName {ext {}} } {
|
| 1104 |
|
|
global tcl_platform
|
| 1105 |
|
|
if {[string length $ext] == 0} {
|
| 1106 |
|
|
set ext [info sharedlibextension]
|
| 1107 |
|
|
}
|
| 1108 |
|
|
if {[string compare $tcl_platform(platform) "windows"] == 0} {
|
| 1109 |
|
|
return [expr {[string compare \
|
| 1110 |
|
|
[string tolower [file extension $fileName]] \
|
| 1111 |
|
|
[string tolower $ext]] == 0}]
|
| 1112 |
|
|
} else {
|
| 1113 |
|
|
return [expr {[string compare [file extension $fileName] $ext] == 0}]
|
| 1114 |
|
|
}
|
| 1115 |
|
|
}
|
| 1116 |
|
|
|
| 1117 |
|
|
# pkg_mkIndex --
|
| 1118 |
|
|
# This procedure creates a package index in a given directory. The
|
| 1119 |
|
|
# package index consists of a "pkgIndex.tcl" file whose contents are
|
| 1120 |
|
|
# a Tcl script that sets up package information with "package require"
|
| 1121 |
|
|
# commands. The commands describe all of the packages defined by the
|
| 1122 |
|
|
# files given as arguments.
|
| 1123 |
|
|
#
|
| 1124 |
|
|
# Arguments:
|
| 1125 |
|
|
# -direct (optional) If this flag is present, the generated
|
| 1126 |
|
|
# code in pkgMkIndex.tcl will cause the package to be
|
| 1127 |
|
|
# loaded when "package require" is executed, rather
|
| 1128 |
|
|
# than lazily when the first reference to an exported
|
| 1129 |
|
|
# procedure in the package is made.
|
| 1130 |
|
|
# -verbose (optional) Verbose output; the name of each file that
|
| 1131 |
|
|
# was successfully rocessed is printed out. Additionally,
|
| 1132 |
|
|
# if processing of a file failed a message is printed.
|
| 1133 |
|
|
# -load pat (optional) Preload any packages whose names match
|
| 1134 |
|
|
# the pattern. Used to handle DLLs that depend on
|
| 1135 |
|
|
# other packages during their Init procedure.
|
| 1136 |
|
|
# dir - Name of the directory in which to create the index.
|
| 1137 |
|
|
# args - Any number of additional arguments, each giving
|
| 1138 |
|
|
# a glob pattern that matches the names of one or
|
| 1139 |
|
|
# more shared libraries or Tcl script files in
|
| 1140 |
|
|
# dir.
|
| 1141 |
|
|
|
| 1142 |
|
|
proc pkg_mkIndex {args} {
|
| 1143 |
|
|
global errorCode errorInfo
|
| 1144 |
|
|
set usage {"pkg_mkIndex ?-direct? ?-verbose? ?-load pattern? ?--? dir ?pattern ...?"};
|
| 1145 |
|
|
|
| 1146 |
|
|
set argCount [llength $args]
|
| 1147 |
|
|
if {$argCount < 1} {
|
| 1148 |
|
|
return -code error "wrong # args: should be\n$usage"
|
| 1149 |
|
|
}
|
| 1150 |
|
|
|
| 1151 |
|
|
set more ""
|
| 1152 |
|
|
set direct 0
|
| 1153 |
|
|
set doVerbose 0
|
| 1154 |
|
|
set loadPat ""
|
| 1155 |
|
|
for {set idx 0} {$idx < $argCount} {incr idx} {
|
| 1156 |
|
|
set flag [lindex $args $idx]
|
| 1157 |
|
|
switch -glob -- $flag {
|
| 1158 |
|
|
-- {
|
| 1159 |
|
|
# done with the flags
|
| 1160 |
|
|
incr idx
|
| 1161 |
|
|
break
|
| 1162 |
|
|
}
|
| 1163 |
|
|
-verbose {
|
| 1164 |
|
|
set doVerbose 1
|
| 1165 |
|
|
}
|
| 1166 |
|
|
-direct {
|
| 1167 |
|
|
set direct 1
|
| 1168 |
|
|
append more " -direct"
|
| 1169 |
|
|
}
|
| 1170 |
|
|
-load {
|
| 1171 |
|
|
incr idx
|
| 1172 |
|
|
set loadPat [lindex $args $idx]
|
| 1173 |
|
|
append more " -load $loadPat"
|
| 1174 |
|
|
}
|
| 1175 |
|
|
-* {
|
| 1176 |
|
|
return -code error "unknown flag $flag: should be\n$usage"
|
| 1177 |
|
|
}
|
| 1178 |
|
|
default {
|
| 1179 |
|
|
# done with the flags
|
| 1180 |
|
|
break
|
| 1181 |
|
|
}
|
| 1182 |
|
|
}
|
| 1183 |
|
|
}
|
| 1184 |
|
|
|
| 1185 |
|
|
set dir [lindex $args $idx]
|
| 1186 |
|
|
set patternList [lrange $args [expr {$idx + 1}] end]
|
| 1187 |
|
|
if {[llength $patternList] == 0} {
|
| 1188 |
|
|
set patternList [list "*.tcl" "*[info sharedlibextension]"]
|
| 1189 |
|
|
}
|
| 1190 |
|
|
|
| 1191 |
|
|
append index "# Tcl package index file, version 1.1\n"
|
| 1192 |
|
|
append index "# This file is generated by the \"pkg_mkIndex$more\" command\n"
|
| 1193 |
|
|
append index "# and sourced either when an application starts up or\n"
|
| 1194 |
|
|
append index "# by a \"package unknown\" script. It invokes the\n"
|
| 1195 |
|
|
append index "# \"package ifneeded\" command to set up package-related\n"
|
| 1196 |
|
|
append index "# information so that packages will be loaded automatically\n"
|
| 1197 |
|
|
append index "# in response to \"package require\" commands. When this\n"
|
| 1198 |
|
|
append index "# script is sourced, the variable \$dir must contain the\n"
|
| 1199 |
|
|
append index "# full path name of this file's directory.\n"
|
| 1200 |
|
|
set oldDir [pwd]
|
| 1201 |
|
|
cd $dir
|
| 1202 |
|
|
|
| 1203 |
|
|
if {[catch {eval glob $patternList} fileList]} {
|
| 1204 |
|
|
global errorCode errorInfo
|
| 1205 |
|
|
cd $oldDir
|
| 1206 |
|
|
return -code error -errorcode $errorCode -errorinfo $errorInfo $fileList
|
| 1207 |
|
|
}
|
| 1208 |
|
|
foreach file $fileList {
|
| 1209 |
|
|
# For each file, figure out what commands and packages it provides.
|
| 1210 |
|
|
# To do this, create a child interpreter, load the file into the
|
| 1211 |
|
|
# interpreter, and get a list of the new commands and packages
|
| 1212 |
|
|
# that are defined.
|
| 1213 |
|
|
|
| 1214 |
|
|
if {[string compare $file "pkgIndex.tcl"] == 0} {
|
| 1215 |
|
|
continue
|
| 1216 |
|
|
}
|
| 1217 |
|
|
|
| 1218 |
|
|
# Changed back to the original directory before initializing the
|
| 1219 |
|
|
# slave in case TCL_LIBRARY is a relative path (e.g. in the test
|
| 1220 |
|
|
# suite).
|
| 1221 |
|
|
|
| 1222 |
|
|
cd $oldDir
|
| 1223 |
|
|
set c [interp create]
|
| 1224 |
|
|
|
| 1225 |
|
|
# Load into the child any packages currently loaded in the parent
|
| 1226 |
|
|
# interpreter that match the -load pattern.
|
| 1227 |
|
|
|
| 1228 |
|
|
foreach pkg [info loaded] {
|
| 1229 |
|
|
if {! [string match $loadPat [lindex $pkg 1]]} {
|
| 1230 |
|
|
continue
|
| 1231 |
|
|
}
|
| 1232 |
|
|
if {[lindex $pkg 1] == "Tk"} {
|
| 1233 |
|
|
$c eval {set argv {-geometry +0+0}}
|
| 1234 |
|
|
}
|
| 1235 |
|
|
if {[catch {
|
| 1236 |
|
|
load [lindex $pkg 0] [lindex $pkg 1] $c
|
| 1237 |
|
|
} err]} {
|
| 1238 |
|
|
if {$doVerbose} {
|
| 1239 |
|
|
tclLog "warning: load [lindex $pkg 0] [lindex $pkg 1]\nfailed with: $err"
|
| 1240 |
|
|
}
|
| 1241 |
|
|
} else {
|
| 1242 |
|
|
if {$doVerbose} {
|
| 1243 |
|
|
tclLog "loaded [lindex $pkg 0] [lindex $pkg 1]"
|
| 1244 |
|
|
}
|
| 1245 |
|
|
}
|
| 1246 |
|
|
}
|
| 1247 |
|
|
cd $dir
|
| 1248 |
|
|
|
| 1249 |
|
|
$c eval {
|
| 1250 |
|
|
# Stub out the package command so packages can
|
| 1251 |
|
|
# require other packages.
|
| 1252 |
|
|
|
| 1253 |
|
|
rename package __package_orig
|
| 1254 |
|
|
proc package {what args} {
|
| 1255 |
|
|
switch -- $what {
|
| 1256 |
|
|
require { return ; # ignore transitive requires }
|
| 1257 |
|
|
default { eval __package_orig {$what} $args }
|
| 1258 |
|
|
}
|
| 1259 |
|
|
}
|
| 1260 |
|
|
proc tclPkgUnknown args {}
|
| 1261 |
|
|
package unknown tclPkgUnknown
|
| 1262 |
|
|
|
| 1263 |
|
|
# Stub out the unknown command so package can call
|
| 1264 |
|
|
# into each other during their initialilzation.
|
| 1265 |
|
|
|
| 1266 |
|
|
proc unknown {args} {}
|
| 1267 |
|
|
|
| 1268 |
|
|
# Stub out the auto_import mechanism
|
| 1269 |
|
|
|
| 1270 |
|
|
proc auto_import {args} {}
|
| 1271 |
|
|
|
| 1272 |
|
|
# reserve the ::tcl namespace for support procs
|
| 1273 |
|
|
# and temporary variables. This might make it awkward
|
| 1274 |
|
|
# to generate a pkgIndex.tcl file for the ::tcl namespace.
|
| 1275 |
|
|
|
| 1276 |
|
|
namespace eval ::tcl {
|
| 1277 |
|
|
variable file ;# Current file being processed
|
| 1278 |
|
|
variable direct ;# -direct flag value
|
| 1279 |
|
|
variable x ;# Loop variable
|
| 1280 |
|
|
variable debug ;# For debugging
|
| 1281 |
|
|
variable type ;# "load" or "source", for -direct
|
| 1282 |
|
|
variable namespaces ;# Existing namespaces (e.g., ::tcl)
|
| 1283 |
|
|
variable packages ;# Existing packages (e.g., Tcl)
|
| 1284 |
|
|
variable origCmds ;# Existing commands
|
| 1285 |
|
|
variable newCmds ;# Newly created commands
|
| 1286 |
|
|
variable newPkgs {} ;# Newly created packages
|
| 1287 |
|
|
}
|
| 1288 |
|
|
}
|
| 1289 |
|
|
|
| 1290 |
|
|
$c eval [list set ::tcl::file $file]
|
| 1291 |
|
|
$c eval [list set ::tcl::direct $direct]
|
| 1292 |
|
|
if {[catch {
|
| 1293 |
|
|
$c eval {
|
| 1294 |
|
|
set ::tcl::debug "loading or sourcing"
|
| 1295 |
|
|
|
| 1296 |
|
|
# we need to track command defined by each package even in
|
| 1297 |
|
|
# the -direct case, because they are needed internally by
|
| 1298 |
|
|
# the "partial pkgIndex.tcl" step above.
|
| 1299 |
|
|
|
| 1300 |
|
|
proc ::tcl::GetAllNamespaces {{root ::}} {
|
| 1301 |
|
|
set list $root
|
| 1302 |
|
|
foreach ns [namespace children $root] {
|
| 1303 |
|
|
eval lappend list [::tcl::GetAllNamespaces $ns]
|
| 1304 |
|
|
}
|
| 1305 |
|
|
return $list
|
| 1306 |
|
|
}
|
| 1307 |
|
|
|
| 1308 |
|
|
# initialize the list of existing namespaces, packages, commands
|
| 1309 |
|
|
|
| 1310 |
|
|
foreach ::tcl::x [::tcl::GetAllNamespaces] {
|
| 1311 |
|
|
set ::tcl::namespaces($::tcl::x) 1
|
| 1312 |
|
|
}
|
| 1313 |
|
|
foreach ::tcl::x [package names] {
|
| 1314 |
|
|
set ::tcl::packages($::tcl::x) 1
|
| 1315 |
|
|
}
|
| 1316 |
|
|
set ::tcl::origCmds [info commands]
|
| 1317 |
|
|
|
| 1318 |
|
|
# Try to load the file if it has the shared library
|
| 1319 |
|
|
# extension, otherwise source it. It's important not to
|
| 1320 |
|
|
# try to load files that aren't shared libraries, because
|
| 1321 |
|
|
# on some systems (like SunOS) the loader will abort the
|
| 1322 |
|
|
# whole application when it gets an error.
|
| 1323 |
|
|
|
| 1324 |
|
|
if {[pkg_compareExtension $::tcl::file [info sharedlibextension]]} {
|
| 1325 |
|
|
# The "file join ." command below is necessary.
|
| 1326 |
|
|
# Without it, if the file name has no \'s and we're
|
| 1327 |
|
|
# on UNIX, the load command will invoke the
|
| 1328 |
|
|
# LD_LIBRARY_PATH search mechanism, which could cause
|
| 1329 |
|
|
# the wrong file to be used.
|
| 1330 |
|
|
|
| 1331 |
|
|
set ::tcl::debug loading
|
| 1332 |
|
|
load [file join . $::tcl::file]
|
| 1333 |
|
|
set ::tcl::type load
|
| 1334 |
|
|
} else {
|
| 1335 |
|
|
set ::tcl::debug sourcing
|
| 1336 |
|
|
source $::tcl::file
|
| 1337 |
|
|
set ::tcl::type source
|
| 1338 |
|
|
}
|
| 1339 |
|
|
|
| 1340 |
|
|
# See what new namespaces appeared, and import commands
|
| 1341 |
|
|
# from them. Only exported commands go into the index.
|
| 1342 |
|
|
|
| 1343 |
|
|
foreach ::tcl::x [::tcl::GetAllNamespaces] {
|
| 1344 |
|
|
if {! [info exists ::tcl::namespaces($::tcl::x)]} {
|
| 1345 |
|
|
namespace import ${::tcl::x}::*
|
| 1346 |
|
|
}
|
| 1347 |
|
|
}
|
| 1348 |
|
|
|
| 1349 |
|
|
# Figure out what commands appeared
|
| 1350 |
|
|
|
| 1351 |
|
|
foreach ::tcl::x [info commands] {
|
| 1352 |
|
|
set ::tcl::newCmds($::tcl::x) 1
|
| 1353 |
|
|
}
|
| 1354 |
|
|
foreach ::tcl::x $::tcl::origCmds {
|
| 1355 |
|
|
catch {unset ::tcl::newCmds($::tcl::x)}
|
| 1356 |
|
|
}
|
| 1357 |
|
|
foreach ::tcl::x [array names ::tcl::newCmds] {
|
| 1358 |
|
|
# reverse engineer which namespace a command comes from
|
| 1359 |
|
|
|
| 1360 |
|
|
set ::tcl::abs [namespace origin $::tcl::x]
|
| 1361 |
|
|
|
| 1362 |
|
|
# special case so that global names have no leading
|
| 1363 |
|
|
# ::, this is required by the unknown command
|
| 1364 |
|
|
|
| 1365 |
|
|
set ::tcl::abs [auto_qualify $::tcl::abs ::]
|
| 1366 |
|
|
|
| 1367 |
|
|
if {[string compare $::tcl::x $::tcl::abs] != 0} {
|
| 1368 |
|
|
# Name changed during qualification
|
| 1369 |
|
|
|
| 1370 |
|
|
set ::tcl::newCmds($::tcl::abs) 1
|
| 1371 |
|
|
unset ::tcl::newCmds($::tcl::x)
|
| 1372 |
|
|
}
|
| 1373 |
|
|
}
|
| 1374 |
|
|
|
| 1375 |
|
|
# Look through the packages that appeared, and if there is
|
| 1376 |
|
|
# a version provided, then record it
|
| 1377 |
|
|
|
| 1378 |
|
|
foreach ::tcl::x [package names] {
|
| 1379 |
|
|
if {([string compare [package provide $::tcl::x] ""] != 0) \
|
| 1380 |
|
|
&& ![info exists ::tcl::packages($::tcl::x)]} {
|
| 1381 |
|
|
lappend ::tcl::newPkgs \
|
| 1382 |
|
|
[list $::tcl::x [package provide $::tcl::x]]
|
| 1383 |
|
|
}
|
| 1384 |
|
|
}
|
| 1385 |
|
|
}
|
| 1386 |
|
|
} msg] == 1} {
|
| 1387 |
|
|
set what [$c eval set ::tcl::debug]
|
| 1388 |
|
|
if {$doVerbose} {
|
| 1389 |
|
|
tclLog "warning: error while $what $file: $msg"
|
| 1390 |
|
|
}
|
| 1391 |
|
|
} else {
|
| 1392 |
|
|
set type [$c eval set ::tcl::type]
|
| 1393 |
|
|
set cmds [lsort [$c eval array names ::tcl::newCmds]]
|
| 1394 |
|
|
set pkgs [$c eval set ::tcl::newPkgs]
|
| 1395 |
|
|
if {[llength $pkgs] > 1} {
|
| 1396 |
|
|
tclLog "warning: \"$file\" provides more than one package ($pkgs)"
|
| 1397 |
|
|
}
|
| 1398 |
|
|
foreach pkg $pkgs {
|
| 1399 |
|
|
# cmds is empty/not used in the direct case
|
| 1400 |
|
|
lappend files($pkg) [list $file $type $cmds]
|
| 1401 |
|
|
}
|
| 1402 |
|
|
|
| 1403 |
|
|
if {$doVerbose} {
|
| 1404 |
|
|
tclLog "processed $file"
|
| 1405 |
|
|
}
|
| 1406 |
|
|
}
|
| 1407 |
|
|
interp delete $c
|
| 1408 |
|
|
}
|
| 1409 |
|
|
|
| 1410 |
|
|
foreach pkg [lsort [array names files]] {
|
| 1411 |
|
|
append index "\npackage ifneeded $pkg "
|
| 1412 |
|
|
if {$direct} {
|
| 1413 |
|
|
set cmdList {}
|
| 1414 |
|
|
foreach elem $files($pkg) {
|
| 1415 |
|
|
set file [lindex $elem 0]
|
| 1416 |
|
|
set type [lindex $elem 1]
|
| 1417 |
|
|
lappend cmdList "\[list $type \[file join \$dir\
|
| 1418 |
|
|
[list $file]\]\]"
|
| 1419 |
|
|
}
|
| 1420 |
|
|
append index [join $cmdList "\\n"]
|
| 1421 |
|
|
} else {
|
| 1422 |
|
|
append index "\[list tclPkgSetup \$dir [lrange $pkg 0 0]\
|
| 1423 |
|
|
[lrange $pkg 1 1] [list $files($pkg)]\]"
|
| 1424 |
|
|
}
|
| 1425 |
|
|
}
|
| 1426 |
|
|
set f [open pkgIndex.tcl w]
|
| 1427 |
|
|
puts $f $index
|
| 1428 |
|
|
close $f
|
| 1429 |
|
|
cd $oldDir
|
| 1430 |
|
|
}
|
| 1431 |
|
|
|
| 1432 |
|
|
# tclPkgSetup --
|
| 1433 |
|
|
# This is a utility procedure use by pkgIndex.tcl files. It is invoked
|
| 1434 |
|
|
# as part of a "package ifneeded" script. It calls "package provide"
|
| 1435 |
|
|
# to indicate that a package is available, then sets entries in the
|
| 1436 |
|
|
# auto_index array so that the package's files will be auto-loaded when
|
| 1437 |
|
|
# the commands are used.
|
| 1438 |
|
|
#
|
| 1439 |
|
|
# Arguments:
|
| 1440 |
|
|
# dir - Directory containing all the files for this package.
|
| 1441 |
|
|
# pkg - Name of the package (no version number).
|
| 1442 |
|
|
# version - Version number for the package, such as 2.1.3.
|
| 1443 |
|
|
# files - List of files that constitute the package. Each
|
| 1444 |
|
|
# element is a sub-list with three elements. The first
|
| 1445 |
|
|
# is the name of a file relative to $dir, the second is
|
| 1446 |
|
|
# "load" or "source", indicating whether the file is a
|
| 1447 |
|
|
# loadable binary or a script to source, and the third
|
| 1448 |
|
|
# is a list of commands defined by this file.
|
| 1449 |
|
|
|
| 1450 |
|
|
proc tclPkgSetup {dir pkg version files} {
|
| 1451 |
|
|
global auto_index
|
| 1452 |
|
|
|
| 1453 |
|
|
package provide $pkg $version
|
| 1454 |
|
|
foreach fileInfo $files {
|
| 1455 |
|
|
set f [lindex $fileInfo 0]
|
| 1456 |
|
|
set type [lindex $fileInfo 1]
|
| 1457 |
|
|
foreach cmd [lindex $fileInfo 2] {
|
| 1458 |
|
|
if {$type == "load"} {
|
| 1459 |
|
|
set auto_index($cmd) [list load [file join $dir $f] $pkg]
|
| 1460 |
|
|
} else {
|
| 1461 |
|
|
set auto_index($cmd) [list source [file join $dir $f]]
|
| 1462 |
|
|
}
|
| 1463 |
|
|
}
|
| 1464 |
|
|
}
|
| 1465 |
|
|
}
|
| 1466 |
|
|
|
| 1467 |
|
|
# tclMacPkgSearch --
|
| 1468 |
|
|
# The procedure is used on the Macintosh to search a given directory for files
|
| 1469 |
|
|
# with a TEXT resource named "pkgIndex". If it exists it is sourced in to the
|
| 1470 |
|
|
# interpreter to setup the package database.
|
| 1471 |
|
|
|
| 1472 |
|
|
proc tclMacPkgSearch {dir} {
|
| 1473 |
|
|
foreach x [glob -nocomplain [file join $dir *.shlb]] {
|
| 1474 |
|
|
if {[file isfile $x]} {
|
| 1475 |
|
|
set res [resource open $x]
|
| 1476 |
|
|
foreach y [resource list TEXT $res] {
|
| 1477 |
|
|
if {$y == "pkgIndex"} {source -rsrc pkgIndex}
|
| 1478 |
|
|
}
|
| 1479 |
|
|
catch {resource close $res}
|
| 1480 |
|
|
}
|
| 1481 |
|
|
}
|
| 1482 |
|
|
}
|
| 1483 |
|
|
|
| 1484 |
|
|
# tclPkgUnknown --
|
| 1485 |
|
|
# This procedure provides the default for the "package unknown" function.
|
| 1486 |
|
|
# It is invoked when a package that's needed can't be found. It scans
|
| 1487 |
|
|
# the auto_path directories and their immediate children looking for
|
| 1488 |
|
|
# pkgIndex.tcl files and sources any such files that are found to setup
|
| 1489 |
|
|
# the package database. (On the Macintosh we also search for pkgIndex
|
| 1490 |
|
|
# TEXT resources in all files.)
|
| 1491 |
|
|
#
|
| 1492 |
|
|
# Arguments:
|
| 1493 |
|
|
# name - Name of desired package. Not used.
|
| 1494 |
|
|
# version - Version of desired package. Not used.
|
| 1495 |
|
|
# exact - Either "-exact" or omitted. Not used.
|
| 1496 |
|
|
|
| 1497 |
|
|
proc tclPkgUnknown {name version {exact {}}} {
|
| 1498 |
|
|
global auto_path tcl_platform env
|
| 1499 |
|
|
|
| 1500 |
|
|
if {![info exists auto_path]} {
|
| 1501 |
|
|
return
|
| 1502 |
|
|
}
|
| 1503 |
|
|
for {set i [expr {[llength $auto_path] - 1}]} {$i >= 0} {incr i -1} {
|
| 1504 |
|
|
# we can't use glob in safe interps, so enclose the following
|
| 1505 |
|
|
# in a catch statement
|
| 1506 |
|
|
catch {
|
| 1507 |
|
|
foreach file [glob -nocomplain [file join [lindex $auto_path $i] \
|
| 1508 |
|
|
* pkgIndex.tcl]] {
|
| 1509 |
|
|
set dir [file dirname $file]
|
| 1510 |
|
|
if {[catch {source $file} msg]} {
|
| 1511 |
|
|
tclLog "error reading package index file $file: $msg"
|
| 1512 |
|
|
}
|
| 1513 |
|
|
}
|
| 1514 |
|
|
}
|
| 1515 |
|
|
set dir [lindex $auto_path $i]
|
| 1516 |
|
|
set file [file join $dir pkgIndex.tcl]
|
| 1517 |
|
|
# safe interps usually don't have "file readable", nor stderr channel
|
| 1518 |
|
|
if {[interp issafe] || [file readable $file]} {
|
| 1519 |
|
|
if {[catch {source $file} msg] && ![interp issafe]} {
|
| 1520 |
|
|
tclLog "error reading package index file $file: $msg"
|
| 1521 |
|
|
}
|
| 1522 |
|
|
}
|
| 1523 |
|
|
# On the Macintosh we also look in the resource fork
|
| 1524 |
|
|
# of shared libraries
|
| 1525 |
|
|
# We can't use tclMacPkgSearch in safe interps because it uses glob
|
| 1526 |
|
|
if {(![interp issafe]) && ($tcl_platform(platform) == "macintosh")} {
|
| 1527 |
|
|
set dir [lindex $auto_path $i]
|
| 1528 |
|
|
tclMacPkgSearch $dir
|
| 1529 |
|
|
foreach x [glob -nocomplain [file join $dir *]] {
|
| 1530 |
|
|
if {[file isdirectory $x]} {
|
| 1531 |
|
|
set dir $x
|
| 1532 |
|
|
tclMacPkgSearch $dir
|
| 1533 |
|
|
}
|
| 1534 |
|
|
}
|
| 1535 |
|
|
}
|
| 1536 |
|
|
}
|
| 1537 |
|
|
}
|
