jpayne@68: # auto.tcl --
jpayne@68: #
jpayne@68: # utility procs formerly in init.tcl dealing with auto execution of commands
jpayne@68: # and can be auto loaded themselves.
jpayne@68: #
jpayne@68: # Copyright (c) 1991-1993 The Regents of the University of California.
jpayne@68: # Copyright (c) 1994-1998 Sun Microsystems, Inc.
jpayne@68: #
jpayne@68: # See the file "license.terms" for information on usage and redistribution of
jpayne@68: # this file, and for a DISCLAIMER OF ALL WARRANTIES.
jpayne@68: #
jpayne@68: 
jpayne@68: # auto_reset --
jpayne@68: #
jpayne@68: # Destroy all cached information for auto-loading and auto-execution, so that
jpayne@68: # the information gets recomputed the next time it's needed.  Also delete any
jpayne@68: # commands that are listed in the auto-load index.
jpayne@68: #
jpayne@68: # Arguments:
jpayne@68: # None.
jpayne@68: 
jpayne@68: proc auto_reset {} {
jpayne@68:     global auto_execs auto_index auto_path
jpayne@68:     if {[array exists auto_index]} {
jpayne@68: 	foreach cmdName [array names auto_index] {
jpayne@68: 	    set fqcn [namespace which $cmdName]
jpayne@68: 	    if {$fqcn eq ""} {
jpayne@68: 		continue
jpayne@68: 	    }
jpayne@68: 	    rename $fqcn {}
jpayne@68: 	}
jpayne@68:     }
jpayne@68:     unset -nocomplain auto_execs auto_index ::tcl::auto_oldpath
jpayne@68:     if {[catch {llength $auto_path}]} {
jpayne@68: 	set auto_path [list [info library]]
jpayne@68:     } elseif {[info library] ni $auto_path} {
jpayne@68: 	lappend auto_path [info library]
jpayne@68:     }
jpayne@68: }
jpayne@68: 
jpayne@68: # tcl_findLibrary --
jpayne@68: #
jpayne@68: #	This is a utility for extensions that searches for a library directory
jpayne@68: #	using a canonical searching algorithm. A side effect is to source the
jpayne@68: #	initialization script and set a global library variable.
jpayne@68: #
jpayne@68: # Arguments:
jpayne@68: # 	basename	Prefix of the directory name, (e.g., "tk")
jpayne@68: #	version		Version number of the package, (e.g., "8.0")
jpayne@68: #	patch		Patchlevel of the package, (e.g., "8.0.3")
jpayne@68: #	initScript	Initialization script to source (e.g., tk.tcl)
jpayne@68: #	enVarName	environment variable to honor (e.g., TK_LIBRARY)
jpayne@68: #	varName		Global variable to set when done (e.g., tk_library)
jpayne@68: 
jpayne@68: proc tcl_findLibrary {basename version patch initScript enVarName varName} {
jpayne@68:     upvar #0 $varName the_library
jpayne@68:     global auto_path env tcl_platform
jpayne@68: 
jpayne@68:     set dirs {}
jpayne@68:     set errors {}
jpayne@68: 
jpayne@68:     # The C application may have hardwired a path, which we honor
jpayne@68: 
jpayne@68:     if {[info exists the_library] && $the_library ne ""} {
jpayne@68: 	lappend dirs $the_library
jpayne@68:     } else {
jpayne@68: 	# Do the canonical search
jpayne@68: 
jpayne@68: 	# 1. From an environment variable, if it exists.  Placing this first
jpayne@68: 	#    gives the end-user ultimate control to work-around any bugs, or
jpayne@68: 	#    to customize.
jpayne@68: 
jpayne@68: 	if {[info exists env($enVarName)]} {
jpayne@68: 	    lappend dirs $env($enVarName)
jpayne@68: 	}
jpayne@68: 
jpayne@68: 	# 2. In the package script directory registered within the
jpayne@68: 	#    configuration of the package itself.
jpayne@68: 
jpayne@68: 	catch {
jpayne@68: 	    lappend dirs [::${basename}::pkgconfig get scriptdir,runtime]
jpayne@68: 	}
jpayne@68: 
jpayne@68: 	# 3. Relative to auto_path directories.  This checks relative to the
jpayne@68: 	# Tcl library as well as allowing loading of libraries added to the
jpayne@68: 	# auto_path that is not relative to the core library or binary paths.
jpayne@68: 	foreach d $auto_path {
jpayne@68: 	    lappend dirs [file join $d $basename$version]
jpayne@68: 	    if {$tcl_platform(platform) eq "unix"
jpayne@68: 		    && $tcl_platform(os) eq "Darwin"} {
jpayne@68: 		# 4. On MacOSX, check the Resources/Scripts subdir too
jpayne@68: 		lappend dirs [file join $d $basename$version Resources Scripts]
jpayne@68: 	    }
jpayne@68: 	}
jpayne@68: 
jpayne@68: 	# 3. Various locations relative to the executable
jpayne@68: 	# ../lib/foo1.0		(From bin directory in install hierarchy)
jpayne@68: 	# ../../lib/foo1.0	(From bin/arch directory in install hierarchy)
jpayne@68: 	# ../library		(From unix directory in build hierarchy)
jpayne@68: 	#
jpayne@68: 	# Remaining locations are out of date (when relevant, they ought to be
jpayne@68: 	# covered by the $::auto_path seach above) and disabled.
jpayne@68: 	#
jpayne@68: 	# ../../library		(From unix/arch directory in build hierarchy)
jpayne@68: 	# ../../foo1.0.1/library
jpayne@68: 	#		(From unix directory in parallel build hierarchy)
jpayne@68: 	# ../../../foo1.0.1/library
jpayne@68: 	#		(From unix/arch directory in parallel build hierarchy)
jpayne@68: 
jpayne@68: 	set parentDir [file dirname [file dirname [info nameofexecutable]]]
jpayne@68: 	set grandParentDir [file dirname $parentDir]
jpayne@68: 	lappend dirs [file join $parentDir lib $basename$version]
jpayne@68: 	lappend dirs [file join $grandParentDir lib $basename$version]
jpayne@68: 	lappend dirs [file join $parentDir library]
jpayne@68: 	if {0} {
jpayne@68: 	    lappend dirs [file join $grandParentDir library]
jpayne@68: 	    lappend dirs [file join $grandParentDir $basename$patch library]
jpayne@68: 	    lappend dirs [file join [file dirname $grandParentDir] \
jpayne@68: 			      $basename$patch library]
jpayne@68: 	}
jpayne@68:     }
jpayne@68:     # uniquify $dirs in order
jpayne@68:     array set seen {}
jpayne@68:     foreach i $dirs {
jpayne@68: 	# Make sure $i is unique under normalization. Avoid repeated [source].
jpayne@68: 	if {[interp issafe]} {
jpayne@68: 	    # Safe interps have no [file normalize].
jpayne@68: 	    set norm $i
jpayne@68: 	} else {
jpayne@68: 	    set norm [file normalize $i]
jpayne@68: 	}
jpayne@68: 	if {[info exists seen($norm)]} {
jpayne@68: 	    continue
jpayne@68: 	}
jpayne@68: 	set seen($norm) {}
jpayne@68: 
jpayne@68: 	set the_library $i
jpayne@68: 	set file [file join $i $initScript]
jpayne@68: 
jpayne@68: 	# source everything when in a safe interpreter because we have a
jpayne@68: 	# source command, but no file exists command
jpayne@68: 
jpayne@68:         if {[interp issafe] || [file exists $file]} {
jpayne@68:             if {![catch {uplevel #0 [list source $file]} msg opts]} {
jpayne@68:                 return
jpayne@68:             }
jpayne@68: 	    append errors "$file: $msg\n"
jpayne@68: 	    append errors [dict get $opts -errorinfo]\n
jpayne@68:         }
jpayne@68:     }
jpayne@68:     unset -nocomplain the_library
jpayne@68:     set msg "Can't find a usable $initScript in the following directories: \n"
jpayne@68:     append msg "    $dirs\n\n"
jpayne@68:     append msg "$errors\n\n"
jpayne@68:     append msg "This probably means that $basename wasn't installed properly.\n"
jpayne@68:     error $msg
jpayne@68: }
jpayne@68: 
jpayne@68: 
jpayne@68: # ----------------------------------------------------------------------
jpayne@68: # auto_mkindex
jpayne@68: # ----------------------------------------------------------------------
jpayne@68: # The following procedures are used to generate the tclIndex file from Tcl
jpayne@68: # source files.  They use a special safe interpreter to parse Tcl source
jpayne@68: # files, writing out index entries as "proc" commands are encountered.  This
jpayne@68: # implementation won't work in a safe interpreter, since a safe interpreter
jpayne@68: # can't create the special parser and mess with its commands.
jpayne@68: 
jpayne@68: if {[interp issafe]} {
jpayne@68:     return	;# Stop sourcing the file here
jpayne@68: }
jpayne@68: 
jpayne@68: # auto_mkindex --
jpayne@68: # Regenerate a tclIndex file from Tcl source files.  Takes as argument the
jpayne@68: # name of the directory in which the tclIndex file is to be placed, followed
jpayne@68: # by any number of glob patterns to use in that directory to locate all of the
jpayne@68: # relevant files.
jpayne@68: #
jpayne@68: # Arguments:
jpayne@68: # dir -		Name of the directory in which to create an index.
jpayne@68: 
jpayne@68: # args -	Any number of additional arguments giving the names of files
jpayne@68: #		within dir.  If no additional are given auto_mkindex will look
jpayne@68: #		for *.tcl.
jpayne@68: 
jpayne@68: proc auto_mkindex {dir args} {
jpayne@68:     if {[interp issafe]} {
jpayne@68: 	error "can't generate index within safe interpreter"
jpayne@68:     }
jpayne@68: 
jpayne@68:     set oldDir [pwd]
jpayne@68:     cd $dir
jpayne@68: 
jpayne@68:     append index "# Tcl autoload index file, version 2.0\n"
jpayne@68:     append index "# This file is generated by the \"auto_mkindex\" command\n"
jpayne@68:     append index "# and sourced to set up indexing information for one or\n"
jpayne@68:     append index "# more commands.  Typically each line is a command that\n"
jpayne@68:     append index "# sets an element in the auto_index array, where the\n"
jpayne@68:     append index "# element name is the name of a command and the value is\n"
jpayne@68:     append index "# a script that loads the command.\n\n"
jpayne@68:     if {![llength $args]} {
jpayne@68: 	set args *.tcl
jpayne@68:     }
jpayne@68: 
jpayne@68:     auto_mkindex_parser::init
jpayne@68:     foreach file [lsort [glob -- {*}$args]] {
jpayne@68: 	try {
jpayne@68: 	    append index [auto_mkindex_parser::mkindex $file]
jpayne@68: 	} on error {msg opts} {
jpayne@68: 	    cd $oldDir
jpayne@68: 	    return -options $opts $msg
jpayne@68: 	}
jpayne@68:     }
jpayne@68:     auto_mkindex_parser::cleanup
jpayne@68: 
jpayne@68:     set fid [open "tclIndex" w]
jpayne@68:     puts -nonewline $fid $index
jpayne@68:     close $fid
jpayne@68:     cd $oldDir
jpayne@68: }
jpayne@68: 
jpayne@68: # Original version of auto_mkindex that just searches the source code for
jpayne@68: # "proc" at the beginning of the line.
jpayne@68: 
jpayne@68: proc auto_mkindex_old {dir args} {
jpayne@68:     set oldDir [pwd]
jpayne@68:     cd $dir
jpayne@68:     set dir [pwd]
jpayne@68:     append index "# Tcl autoload index file, version 2.0\n"
jpayne@68:     append index "# This file is generated by the \"auto_mkindex\" command\n"
jpayne@68:     append index "# and sourced to set up indexing information for one or\n"
jpayne@68:     append index "# more commands.  Typically each line is a command that\n"
jpayne@68:     append index "# sets an element in the auto_index array, where the\n"
jpayne@68:     append index "# element name is the name of a command and the value is\n"
jpayne@68:     append index "# a script that loads the command.\n\n"
jpayne@68:     if {![llength $args]} {
jpayne@68: 	set args *.tcl
jpayne@68:     }
jpayne@68:     foreach file [lsort [glob -- {*}$args]] {
jpayne@68: 	set f ""
jpayne@68: 	set error [catch {
jpayne@68: 	    set f [open $file]
jpayne@68: 	    fconfigure $f -eofchar "\032 {}"
jpayne@68: 	    while {[gets $f line] >= 0} {
jpayne@68: 		if {[regexp {^proc[ 	]+([^ 	]*)} $line match procName]} {
jpayne@68: 		    set procName [lindex [auto_qualify $procName "::"] 0]
jpayne@68: 		    append index "set [list auto_index($procName)]"
jpayne@68: 		    append index " \[list source \[file join \$dir [list $file]\]\]\n"
jpayne@68: 		}
jpayne@68: 	    }
jpayne@68: 	    close $f
jpayne@68: 	} msg opts]
jpayne@68: 	if {$error} {
jpayne@68: 	    catch {close $f}
jpayne@68: 	    cd $oldDir
jpayne@68: 	    return -options $opts $msg
jpayne@68: 	}
jpayne@68:     }
jpayne@68:     set f ""
jpayne@68:     set error [catch {
jpayne@68: 	set f [open tclIndex w]
jpayne@68: 	puts -nonewline $f $index
jpayne@68: 	close $f
jpayne@68: 	cd $oldDir
jpayne@68:     } msg opts]
jpayne@68:     if {$error} {
jpayne@68: 	catch {close $f}
jpayne@68: 	cd $oldDir
jpayne@68: 	error $msg $info $code
jpayne@68: 	return -options $opts $msg
jpayne@68:     }
jpayne@68: }
jpayne@68: 
jpayne@68: # Create a safe interpreter that can be used to parse Tcl source files
jpayne@68: # generate a tclIndex file for autoloading.  This interp contains commands for
jpayne@68: # things that need index entries.  Each time a command is executed, it writes
jpayne@68: # an entry out to the index file.
jpayne@68: 
jpayne@68: namespace eval auto_mkindex_parser {
jpayne@68:     variable parser ""          ;# parser used to build index
jpayne@68:     variable index ""           ;# maintains index as it is built
jpayne@68:     variable scriptFile ""      ;# name of file being processed
jpayne@68:     variable contextStack ""    ;# stack of namespace scopes
jpayne@68:     variable imports ""         ;# keeps track of all imported cmds
jpayne@68:     variable initCommands       ;# list of commands that create aliases
jpayne@68:     if {![info exists initCommands]} {
jpayne@68: 	set initCommands [list]
jpayne@68:     }
jpayne@68: 
jpayne@68:     proc init {} {
jpayne@68: 	variable parser
jpayne@68: 	variable initCommands
jpayne@68: 
jpayne@68: 	if {![interp issafe]} {
jpayne@68: 	    set parser [interp create -safe]
jpayne@68: 	    $parser hide info
jpayne@68: 	    $parser hide rename
jpayne@68: 	    $parser hide proc
jpayne@68: 	    $parser hide namespace
jpayne@68: 	    $parser hide eval
jpayne@68: 	    $parser hide puts
jpayne@68: 	    foreach ns [$parser invokehidden namespace children ::] {
jpayne@68: 		# MUST NOT DELETE "::tcl" OR BAD THINGS HAPPEN!
jpayne@68: 		if {$ns eq "::tcl"} continue
jpayne@68: 		$parser invokehidden namespace delete $ns
jpayne@68: 	    }
jpayne@68: 	    foreach cmd [$parser invokehidden info commands ::*] {
jpayne@68: 		$parser invokehidden rename $cmd {}
jpayne@68: 	    }
jpayne@68: 	    $parser invokehidden proc unknown {args} {}
jpayne@68: 
jpayne@68: 	    # We'll need access to the "namespace" command within the
jpayne@68: 	    # interp.  Put it back, but move it out of the way.
jpayne@68: 
jpayne@68: 	    $parser expose namespace
jpayne@68: 	    $parser invokehidden rename namespace _%@namespace
jpayne@68: 	    $parser expose eval
jpayne@68: 	    $parser invokehidden rename eval _%@eval
jpayne@68: 
jpayne@68: 	    # Install all the registered psuedo-command implementations
jpayne@68: 
jpayne@68: 	    foreach cmd $initCommands {
jpayne@68: 		eval $cmd
jpayne@68: 	    }
jpayne@68: 	}
jpayne@68:     }
jpayne@68:     proc cleanup {} {
jpayne@68: 	variable parser
jpayne@68: 	interp delete $parser
jpayne@68: 	unset parser
jpayne@68:     }
jpayne@68: }
jpayne@68: 
jpayne@68: # auto_mkindex_parser::mkindex --
jpayne@68: #
jpayne@68: # Used by the "auto_mkindex" command to create a "tclIndex" file for the given
jpayne@68: # Tcl source file.  Executes the commands in the file, and handles things like
jpayne@68: # the "proc" command by adding an entry for the index file.  Returns a string
jpayne@68: # that represents the index file.
jpayne@68: #
jpayne@68: # Arguments:
jpayne@68: #	file	Name of Tcl source file to be indexed.
jpayne@68: 
jpayne@68: proc auto_mkindex_parser::mkindex {file} {
jpayne@68:     variable parser
jpayne@68:     variable index
jpayne@68:     variable scriptFile
jpayne@68:     variable contextStack
jpayne@68:     variable imports
jpayne@68: 
jpayne@68:     set scriptFile $file
jpayne@68: 
jpayne@68:     set fid [open $file]
jpayne@68:     fconfigure $fid -eofchar "\032 {}"
jpayne@68:     set contents [read $fid]
jpayne@68:     close $fid
jpayne@68: 
jpayne@68:     # There is one problem with sourcing files into the safe interpreter:
jpayne@68:     # references like "$x" will fail since code is not really being executed
jpayne@68:     # and variables do not really exist.  To avoid this, we replace all $ with
jpayne@68:     # \0 (literally, the null char) later, when getting proc names we will
jpayne@68:     # have to reverse this replacement, in case there were any $ in the proc
jpayne@68:     # name.  This will cause a problem if somebody actually tries to have a \0
jpayne@68:     # in their proc name.  Too bad for them.
jpayne@68:     set contents [string map [list \$ \0] $contents]
jpayne@68: 
jpayne@68:     set index ""
jpayne@68:     set contextStack ""
jpayne@68:     set imports ""
jpayne@68: 
jpayne@68:     $parser eval $contents
jpayne@68: 
jpayne@68:     foreach name $imports {
jpayne@68: 	catch {$parser eval [list _%@namespace forget $name]}
jpayne@68:     }
jpayne@68:     return $index
jpayne@68: }
jpayne@68: 
jpayne@68: # auto_mkindex_parser::hook command
jpayne@68: #
jpayne@68: # Registers a Tcl command to evaluate when initializing the child interpreter
jpayne@68: # used by the mkindex parser.  The command is evaluated in the parent
jpayne@68: # interpreter, and can use the variable auto_mkindex_parser::parser to get to
jpayne@68: # the child
jpayne@68: 
jpayne@68: proc auto_mkindex_parser::hook {cmd} {
jpayne@68:     variable initCommands
jpayne@68: 
jpayne@68:     lappend initCommands $cmd
jpayne@68: }
jpayne@68: 
jpayne@68: # auto_mkindex_parser::slavehook command
jpayne@68: #
jpayne@68: # Registers a Tcl command to evaluate when initializing the child interpreter
jpayne@68: # used by the mkindex parser.  The command is evaluated in the child
jpayne@68: # interpreter.
jpayne@68: 
jpayne@68: proc auto_mkindex_parser::slavehook {cmd} {
jpayne@68:     variable initCommands
jpayne@68: 
jpayne@68:     # The $parser variable is defined to be the name of the child interpreter
jpayne@68:     # when this command is used later.
jpayne@68: 
jpayne@68:     lappend initCommands "\$parser eval [list $cmd]"
jpayne@68: }
jpayne@68: 
jpayne@68: # auto_mkindex_parser::command --
jpayne@68: #
jpayne@68: # Registers a new command with the "auto_mkindex_parser" interpreter that
jpayne@68: # parses Tcl files.  These commands are fake versions of things like the
jpayne@68: # "proc" command.  When you execute them, they simply write out an entry to a
jpayne@68: # "tclIndex" file for auto-loading.
jpayne@68: #
jpayne@68: # This procedure allows extensions to register their own commands with the
jpayne@68: # auto_mkindex facility.  For example, a package like [incr Tcl] might
jpayne@68: # register a "class" command so that class definitions could be added to a
jpayne@68: # "tclIndex" file for auto-loading.
jpayne@68: #
jpayne@68: # Arguments:
jpayne@68: #	name 	Name of command recognized in Tcl files.
jpayne@68: #	arglist	Argument list for command.
jpayne@68: #	body 	Implementation of command to handle indexing.
jpayne@68: 
jpayne@68: proc auto_mkindex_parser::command {name arglist body} {
jpayne@68:     hook [list auto_mkindex_parser::commandInit $name $arglist $body]
jpayne@68: }
jpayne@68: 
jpayne@68: # auto_mkindex_parser::commandInit --
jpayne@68: #
jpayne@68: # This does the actual work set up by auto_mkindex_parser::command. This is
jpayne@68: # called when the interpreter used by the parser is created.
jpayne@68: #
jpayne@68: # Arguments:
jpayne@68: #	name 	Name of command recognized in Tcl files.
jpayne@68: #	arglist	Argument list for command.
jpayne@68: #	body 	Implementation of command to handle indexing.
jpayne@68: 
jpayne@68: proc auto_mkindex_parser::commandInit {name arglist body} {
jpayne@68:     variable parser
jpayne@68: 
jpayne@68:     set ns [namespace qualifiers $name]
jpayne@68:     set tail [namespace tail $name]
jpayne@68:     if {$ns eq ""} {
jpayne@68: 	set fakeName [namespace current]::_%@fake_$tail
jpayne@68:     } else {
jpayne@68: 	set fakeName [namespace current]::[string map {:: _} _%@fake_$name]
jpayne@68:     }
jpayne@68:     proc $fakeName $arglist $body
jpayne@68: 
jpayne@68:     # YUK!  Tcl won't let us alias fully qualified command names, so we can't
jpayne@68:     # handle names like "::itcl::class".  Instead, we have to build procs with
jpayne@68:     # the fully qualified names, and have the procs point to the aliases.
jpayne@68: 
jpayne@68:     if {[string match *::* $name]} {
jpayne@68: 	set exportCmd [list _%@namespace export [namespace tail $name]]
jpayne@68: 	$parser eval [list _%@namespace eval $ns $exportCmd]
jpayne@68: 
jpayne@68: 	# The following proc definition does not work if you want to tolerate
jpayne@68: 	# space or something else diabolical in the procedure name, (i.e.,
jpayne@68: 	# space in $alias). The following does not work:
jpayne@68: 	#   "_%@eval {$alias} \$args"
jpayne@68: 	# because $alias gets concat'ed to $args.  The following does not work
jpayne@68: 	# because $cmd is somehow undefined
jpayne@68: 	#   "set cmd {$alias} \; _%@eval {\$cmd} \$args"
jpayne@68: 	# A gold star to someone that can make test autoMkindex-3.3 work
jpayne@68: 	# properly
jpayne@68: 
jpayne@68: 	set alias [namespace tail $fakeName]
jpayne@68: 	$parser invokehidden proc $name {args} "_%@eval {$alias} \$args"
jpayne@68: 	$parser alias $alias $fakeName
jpayne@68:     } else {
jpayne@68: 	$parser alias $name $fakeName
jpayne@68:     }
jpayne@68:     return
jpayne@68: }
jpayne@68: 
jpayne@68: # auto_mkindex_parser::fullname --
jpayne@68: #
jpayne@68: # Used by commands like "proc" within the auto_mkindex parser.  Returns the
jpayne@68: # qualified namespace name for the "name" argument.  If the "name" does not
jpayne@68: # start with "::", elements are added from the current namespace stack to
jpayne@68: # produce a qualified name.  Then, the name is examined to see whether or not
jpayne@68: # it should really be qualified.  If the name has more than the leading "::",
jpayne@68: # it is returned as a fully qualified name.  Otherwise, it is returned as a
jpayne@68: # simple name.  That way, the Tcl autoloader will recognize it properly.
jpayne@68: #
jpayne@68: # Arguments:
jpayne@68: # name -		Name that is being added to index.
jpayne@68: 
jpayne@68: proc auto_mkindex_parser::fullname {name} {
jpayne@68:     variable contextStack
jpayne@68: 
jpayne@68:     if {![string match ::* $name]} {
jpayne@68: 	foreach ns $contextStack {
jpayne@68: 	    set name "${ns}::$name"
jpayne@68: 	    if {[string match ::* $name]} {
jpayne@68: 		break
jpayne@68: 	    }
jpayne@68: 	}
jpayne@68:     }
jpayne@68: 
jpayne@68:     if {[namespace qualifiers $name] eq ""} {
jpayne@68: 	set name [namespace tail $name]
jpayne@68:     } elseif {![string match ::* $name]} {
jpayne@68: 	set name "::$name"
jpayne@68:     }
jpayne@68: 
jpayne@68:     # Earlier, mkindex replaced all $'s with \0.  Now, we have to reverse that
jpayne@68:     # replacement.
jpayne@68:     return [string map [list \0 \$] $name]
jpayne@68: }
jpayne@68: 
jpayne@68: # auto_mkindex_parser::indexEntry --
jpayne@68: #
jpayne@68: # Used by commands like "proc" within the auto_mkindex parser to add a
jpayne@68: # correctly-quoted entry to the index. This is shared code so it is done
jpayne@68: # *right*, in one place.
jpayne@68: #
jpayne@68: # Arguments:
jpayne@68: # name -		Name that is being added to index.
jpayne@68: 
jpayne@68: proc auto_mkindex_parser::indexEntry {name} {
jpayne@68:     variable index
jpayne@68:     variable scriptFile
jpayne@68: 
jpayne@68:     # We convert all metacharacters to their backslashed form, and pre-split
jpayne@68:     # the file name that we know about (which will be a proper list, and so
jpayne@68:     # correctly quoted).
jpayne@68: 
jpayne@68:     set name [string range [list \}[fullname $name]] 2 end]
jpayne@68:     set filenameParts [file split $scriptFile]
jpayne@68: 
jpayne@68:     append index [format \
jpayne@68: 	    {set auto_index(%s) [list source [file join $dir %s]]%s} \
jpayne@68: 	    $name $filenameParts \n]
jpayne@68:     return
jpayne@68: }
jpayne@68: 
jpayne@68: if {[llength $::auto_mkindex_parser::initCommands]} {
jpayne@68:     return
jpayne@68: }
jpayne@68: 
jpayne@68: # Register all of the procedures for the auto_mkindex parser that will build
jpayne@68: # the "tclIndex" file.
jpayne@68: 
jpayne@68: # AUTO MKINDEX:  proc name arglist body
jpayne@68: # Adds an entry to the auto index list for the given procedure name.
jpayne@68: 
jpayne@68: auto_mkindex_parser::command proc {name args} {
jpayne@68:     indexEntry $name
jpayne@68: }
jpayne@68: 
jpayne@68: # Conditionally add support for Tcl byte code files.  There are some tricky
jpayne@68: # details here.  First, we need to get the tbcload library initialized in the
jpayne@68: # current interpreter.  We cannot load tbcload into the child until we have
jpayne@68: # done so because it needs access to the tcl_patchLevel variable.  Second,
jpayne@68: # because the package index file may defer loading the library until we invoke
jpayne@68: # a command, we need to explicitly invoke auto_load to force it to be loaded.
jpayne@68: # This should be a noop if the package has already been loaded
jpayne@68: 
jpayne@68: auto_mkindex_parser::hook {
jpayne@68:     try {
jpayne@68: 	package require tbcload
jpayne@68:     } on error {} {
jpayne@68: 	# OK, don't have it so do nothing
jpayne@68:     } on ok {} {
jpayne@68: 	if {[namespace which -command tbcload::bcproc] eq ""} {
jpayne@68: 	    auto_load tbcload::bcproc
jpayne@68: 	}
jpayne@68: 	load {} tbcload $auto_mkindex_parser::parser
jpayne@68: 
jpayne@68: 	# AUTO MKINDEX:  tbcload::bcproc name arglist body
jpayne@68: 	# Adds an entry to the auto index list for the given pre-compiled
jpayne@68: 	# procedure name.
jpayne@68: 
jpayne@68: 	auto_mkindex_parser::commandInit tbcload::bcproc {name args} {
jpayne@68: 	    indexEntry $name
jpayne@68: 	}
jpayne@68:     }
jpayne@68: }
jpayne@68: 
jpayne@68: # AUTO MKINDEX:  namespace eval name command ?arg arg...?
jpayne@68: # Adds the namespace name onto the context stack and evaluates the associated
jpayne@68: # body of commands.
jpayne@68: #
jpayne@68: # AUTO MKINDEX:  namespace import ?-force? pattern ?pattern...?
jpayne@68: # Performs the "import" action in the parser interpreter.  This is important
jpayne@68: # for any commands contained in a namespace that affect the index.  For
jpayne@68: # example, a script may say "itcl::class ...", or it may import "itcl::*" and
jpayne@68: # then say "class ...".  This procedure does the import operation, but keeps
jpayne@68: # track of imported patterns so we can remove the imports later.
jpayne@68: 
jpayne@68: auto_mkindex_parser::command namespace {op args} {
jpayne@68:     switch -- $op {
jpayne@68: 	eval {
jpayne@68: 	    variable parser
jpayne@68: 	    variable contextStack
jpayne@68: 
jpayne@68: 	    set name [lindex $args 0]
jpayne@68: 	    set args [lrange $args 1 end]
jpayne@68: 
jpayne@68: 	    set contextStack [linsert $contextStack 0 $name]
jpayne@68: 	    $parser eval [list _%@namespace eval $name] $args
jpayne@68: 	    set contextStack [lrange $contextStack 1 end]
jpayne@68: 	}
jpayne@68: 	import {
jpayne@68: 	    variable parser
jpayne@68: 	    variable imports
jpayne@68: 	    foreach pattern $args {
jpayne@68: 		if {$pattern ne "-force"} {
jpayne@68: 		    lappend imports $pattern
jpayne@68: 		}
jpayne@68: 	    }
jpayne@68: 	    catch {$parser eval "_%@namespace import $args"}
jpayne@68: 	}
jpayne@68: 	ensemble {
jpayne@68: 	    variable parser
jpayne@68: 	    variable contextStack
jpayne@68: 	    if {[lindex $args 0] eq "create"} {
jpayne@68: 		set name ::[join [lreverse $contextStack] ::]
jpayne@68: 		catch {
jpayne@68: 		    set name [dict get [lrange $args 1 end] -command]
jpayne@68: 		    if {![string match ::* $name]} {
jpayne@68: 			set name ::[join [lreverse $contextStack] ::]$name
jpayne@68: 		    }
jpayne@68: 		    regsub -all ::+ $name :: name
jpayne@68: 		}
jpayne@68: 		# create artifical proc to force an entry in the tclIndex
jpayne@68: 		$parser eval [list ::proc $name {} {}]
jpayne@68: 	    }
jpayne@68: 	}
jpayne@68:     }
jpayne@68: }
jpayne@68: 
jpayne@68: # AUTO MKINDEX:  oo::class create name ?definition?
jpayne@68: # Adds an entry to the auto index list for the given class name.
jpayne@68: auto_mkindex_parser::command oo::class {op name {body ""}} {
jpayne@68:     if {$op eq "create"} {
jpayne@68: 	indexEntry $name
jpayne@68:     }
jpayne@68: }
jpayne@68: auto_mkindex_parser::command class {op name {body ""}} {
jpayne@68:     if {$op eq "create"} {
jpayne@68: 	indexEntry $name
jpayne@68:     }
jpayne@68: }
jpayne@68: 
jpayne@68: return