diff options
Diffstat (limited to 'library/init.tcl')
| -rw-r--r-- | library/init.tcl | 115 |
1 files changed, 47 insertions, 68 deletions
diff --git a/library/init.tcl b/library/init.tcl index 7eeb53b..62729e6 100644 --- a/library/init.tcl +++ b/library/init.tcl @@ -12,10 +12,11 @@ # of this file, and for a DISCLAIMER OF ALL WARRANTIES. # +# This test intentionally written in pre-7.5 Tcl if {[info commands package] == ""} { error "version mismatch: library\nscripts expect Tcl version 7.5b1 or later but the loaded version is\nonly [info patchlevel]" } -package require -exact Tcl 9.0a0 +package require -exact Tcl 8.5.18 # Compute the auto path to use in this interpreter. # The values on the path come from several locations: @@ -116,9 +117,10 @@ namespace eval tcl { if {(![interp issafe]) && ($tcl_platform(platform) eq "windows")} { namespace eval tcl { proc EnvTraceProc {lo n1 n2 op} { - set x $::env($n2) - set ::env($lo) $x - set ::env([string toupper $lo]) $x + global env + set x $env($n2) + set env($lo) $x + set env([string toupper $lo]) $x } proc InitWinEnv {} { global env tcl_platform @@ -128,9 +130,9 @@ if {(![interp issafe]) && ($tcl_platform(platform) eq "windows")} { switch -- $u { COMSPEC - PATH { - if {![info exists env($u)]} { - set env($u) $env($p) - } + set temp $env($p) + unset env($p) + set env($u) $temp trace add variable env($p) write \ [namespace code [list EnvTraceProc $p]] trace add variable env($u) write \ @@ -159,8 +161,8 @@ if {[interp issafe]} { } else { # Set up search for Tcl Modules (TIP #189). # and setup platform specific unknown package handlers - if {$::tcl_platform(os) eq "Darwin" - && $::tcl_platform(platform) eq "unix"} { + if {$tcl_platform(os) eq "Darwin" + && $tcl_platform(platform) eq "unix"} { package unknown {::tcl::tm::UnknownHandler \ {::tcl::MacOSXPkgUnknown ::tclPkgUnknown}} } else { @@ -216,9 +218,11 @@ if {[namespace which -command tclLog] eq ""} { # exist in the interpreter. It takes the following steps to make the # command available: # -# 1. See if the autoload facility can locate the command in a +# 1. See if the command has the form "namespace inscope ns cmd" and +# if so, concatenate its arguments onto the end and evaluate it. +# 2. See if the autoload facility can locate the command in a # Tcl script file. If so, load it and execute it. -# 2. If the command was invoked interactively at top-level: +# 3. If the command was invoked interactively at top-level: # (a) see if the command exists as an executable UNIX program. # If so, "exec" the command. # (b) see if the command requests csh-like history substitution @@ -233,17 +237,24 @@ if {[namespace which -command tclLog] eq ""} { proc unknown args { variable ::tcl::UnknownPending - global auto_noexec auto_noload env tcl_interactive + global auto_noexec auto_noload env tcl_interactive errorInfo errorCode + # If the command word has the form "namespace inscope ns cmd" + # then concatenate its arguments onto the end and evaluate it. - if {[info exists ::errorInfo]} { - set savedErrorInfo $::errorInfo - } - if {[info exists ::errorCode]} { - set savedErrorCode $::errorCode + set cmd [lindex $args 0] + if {[regexp "^:*namespace\[ \t\n\]+inscope" $cmd] && [llength $cmd] == 4} { + #return -code error "You need an {*}" + set arglist [lrange $args 1 end] + set ret [catch {uplevel 1 ::$cmd $arglist} result opts] + dict unset opts -errorinfo + dict incr opts -level + return -options $opts $result } - set name [lindex $args 0] + catch {set savedErrorInfo $errorInfo} + catch {set savedErrorCode $errorCode} + set name $cmd if {![info exists auto_noload]} { # # Make sure we're not trying to load the same proc twice. @@ -271,9 +282,9 @@ proc unknown args { unset -nocomplain ::errorCode } if {[info exists savedErrorInfo]} { - set ::errorInfo $savedErrorInfo + set errorInfo $savedErrorInfo } else { - unset -nocomplain ::errorInfo + unset -nocomplain errorInfo } set code [catch {uplevel 1 $args} msg opts] if {$code == 1} { @@ -282,8 +293,8 @@ proc unknown args { # Note the dependence on how Tcl_AddErrorInfo, etc. # construct the stack trace. # - set errorInfo [dict get $opts -errorinfo] - set errorCode [dict get $opts -errorcode] + set errInfo [dict get $opts -errorinfo] + set errCode [dict get $opts -errorcode] set cinfo $args if {[string bytelength $cinfo] > 150} { set cinfo [string range $cinfo 0 150] @@ -300,7 +311,7 @@ proc unknown args { # and trim the extra contribution from the matching case # set expect "$msg\n while executing\n\"$cinfo" - if {$errorInfo eq $expect} { + if {$errInfo eq $expect} { # # The stack has only the eval from the expanded command # Do not generate any stack trace here. @@ -315,18 +326,18 @@ proc unknown args { # set expect "\n invoked from within\n\"$cinfo" set exlen [string length $expect] - set eilen [string length $errorInfo] + set eilen [string length $errInfo] set i [expr {$eilen - $exlen - 1}] - set einfo [string range $errorInfo 0 $i] + set einfo [string range $errInfo 0 $i] # - # For now verify that $errorInfo consists of what we are about + # For now verify that $errInfo consists of what we are about # to return plus what we expected to trim off. # - if {$errorInfo ne "$einfo$expect"} { + if {$errInfo ne "$einfo$expect"} { error "Tcl bug: unexpected stack trace in \"unknown\"" {} \ - [list CORE UNKNOWN BADTRACE $einfo $expect $errorInfo] + [list CORE UNKNOWN BADTRACE $einfo $expect $errInfo] } - return -code error -errorcode $errorCode \ + return -code error -errorcode $errCode \ -errorinfo $einfo $msg } else { dict incr opts -level @@ -335,7 +346,7 @@ proc unknown args { } } - if {([info level] == 1) && ([info script] eq "") \ + if {([info level] == 1) && ([info script] eq "") && [info exists tcl_interactive] && $tcl_interactive} { if {![info exists auto_noexec]} { set new [auto_execok $name] @@ -638,12 +649,8 @@ proc auto_execok name { } set auto_execs($name) "" - set shellBuiltins [list cls copy date del erase dir echo mkdir \ - md rename ren rmdir rd time type ver vol] - if {$tcl_platform(os) eq "Windows NT"} { - # NT includes the 'start' built-in - lappend shellBuiltins "start" - } + set shellBuiltins [list cls copy date del dir echo erase md mkdir \ + mklink rd ren rename rmdir start time type ver vol] if {[info exists env(PATHEXT)]} { # Add an initial ; to have the {} extension check first. set execExtensions [split ";$env(PATHEXT)" ";"] @@ -788,7 +795,7 @@ proc tcl::CopyDirectory {action src dest} { lappend existing {*}[glob -nocomplain -directory $dest \ -type hidden * .*] foreach s $existing { - if {([file tail $s] ne ".") && ([file tail $s] ne "..")} { + if {[file tail $s] ni {. ..}} { return -code error "error $action \"$src\" to\ \"$dest\": file already exists" } @@ -796,7 +803,7 @@ proc tcl::CopyDirectory {action src dest} { } } else { if {[string first $nsrc $ndest] != -1} { - set srclen [expr {[llength [file split $nsrc]] -1}] + set srclen [expr {[llength [file split $nsrc]] - 1}] set ndest [lindex [file split $ndest] $srclen] if {$ndest eq [file tail $nsrc]} { return -code error "error $action \"$src\" to\ @@ -816,37 +823,9 @@ proc tcl::CopyDirectory {action src dest} { [glob -nocomplain -directory $src -types hidden *]] foreach s [lsort -unique $filelist] { - if {([file tail $s] ne ".") && ([file tail $s] ne "..")} { - file copy -force $s [file join $dest [file tail $s]] + if {[file tail $s] ni {. ..}} { + file copy -force -- $s [file join $dest [file tail $s]] } } return } - -# TIP 131 -if 0 { -proc tcl::rmmadwiw {} { - set magic { - 42 83 fe f6 ff f8 f1 e5 c6 f9 eb fd ff fb f1 e5 cc f5 ec f5 e3 fd fe - ff f5 fa f3 e1 c7 f9 f2 fd ff f9 fe f9 ed f4 fa f6 e6 f9 f2 e6 fd f9 - ff f9 f6 e6 fa fd ff fc fb fc f9 f1 ed - } - foreach mystic [lassign $magic tragic] { - set comic [expr (0x$mystic ^ 0x$tragic) - 255 + 0x$tragic] - append logic [format %x $comic] - set tragic $mystic - } - binary format H* $logic -} - -proc tcl::mathfunc::rmmadwiw {} { - set age [expr {9*6}] - set mind "" - while {$age} { - lappend mind [expr {$age%13}] - set age [expr {$age/13}] - } - set matter [lreverse $mind] - return [join $matter ""] -} -} |