diff options
Diffstat (limited to 'library/init.tcl')
| -rw-r--r-- | library/init.tcl | 92 |
1 files changed, 30 insertions, 62 deletions
diff --git a/library/init.tcl b/library/init.tcl index 8a680f1..4424087 100644 --- a/library/init.tcl +++ b/library/init.tcl @@ -16,7 +16,7 @@ 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 8.7a0 +package require -exact Tcl 8.7a2 # Compute the auto path to use in this interpreter. # The values on the path come from several locations: @@ -45,7 +45,6 @@ if {![info exists auto_path]} { set auto_path "" } } - namespace eval tcl { variable Dir foreach Dir [list $::tcl_library [file dirname $::tcl_library]] { @@ -74,43 +73,6 @@ namespace eval tcl { encoding dirs $Path } } - - # TIP #255 min and max functions - namespace eval mathfunc { - proc min {args} { - if {![llength $args]} { - return -code error \ - "too few arguments to math function \"min\"" - } - set val Inf - foreach arg $args { - # This will handle forcing the numeric value without - # ruining the internal type of a numeric object - if {[catch {expr {double($arg)}} err]} { - return -code error $err - } - if {$arg < $val} {set val $arg} - } - return $val - } - proc max {args} { - if {![llength $args]} { - return -code error \ - "too few arguments to math function \"max\"" - } - set val -Inf - foreach arg $args { - # This will handle forcing the numeric value without - # ruining the internal type of a numeric object - if {[catch {expr {double($arg)}} err]} { - return -code error $err - } - if {$arg > $val} {set val $arg} - } - return $val - } - namespace export min max - } } namespace eval tcl::Pkg {} @@ -287,14 +249,9 @@ proc unknown args { } append cinfo ... } - append cinfo "\"\n (\"uplevel\" body line 1)" - append cinfo "\n invoked from within" - append cinfo "\n\"uplevel 1 \$args\"" - # - # Try each possible form of the stack trace - # and trim the extra contribution from the matching case - # - set expect "$msg\n while executing\n\"$cinfo" + set tail "\n (\"uplevel\" body line 1)\n invoked\ + from within\n\"uplevel 1 \$args\"" + set expect "$msg\n while executing\n\"$cinfo\"$tail" if {$errInfo eq $expect} { # # The stack has only the eval from the expanded command @@ -308,21 +265,32 @@ proc unknown args { # Stack trace is nested, trim off just the contribution # from the extra "eval" of $args due to the "catch" above. # - set expect "\n invoked from within\n\"$cinfo" - set exlen [string length $expect] - set eilen [string length $errInfo] - set i [expr {$eilen - $exlen - 1}] - set einfo [string range $errInfo 0 $i] - # - # For now verify that $errInfo consists of what we are about - # to return plus what we expected to trim off. - # - if {$errInfo ne "$einfo$expect"} { - error "Tcl bug: unexpected stack trace in \"unknown\"" {} \ - [list CORE UNKNOWN BADTRACE $einfo $expect $errInfo] + set last [string last $tail $errInfo] + if {$last + [string length $tail] != [string length $errInfo]} { + # Very likely cannot happen + return -options $opts $msg + } + set errInfo [string range $errInfo 0 $last-1] + set tail "\"$cinfo\"" + set last [string last $tail $errInfo] + if {$last + [string length $tail] != [string length $errInfo]} { + return -code error -errorcode $errCode \ + -errorinfo $errInfo $msg + } + set errInfo [string range $errInfo 0 $last-1] + set tail "\n invoked from within\n" + set last [string last $tail $errInfo] + if {$last + [string length $tail] == [string length $errInfo]} { + return -code error -errorcode $errCode \ + -errorinfo [string range $errInfo 0 $last-1] $msg } - return -code error -errorcode $errCode \ - -errorinfo $einfo $msg + set tail "\n while executing\n" + set last [string last $tail $errInfo] + if {$last + [string length $tail] == [string length $errInfo]} { + return -code error -errorcode $errCode \ + -errorinfo [string range $errInfo 0 $last-1] $msg + } + return -options $opts $msg } else { dict incr opts -level return -options $opts $msg @@ -637,7 +605,7 @@ proc auto_import {pattern} { if {$tcl_platform(platform) eq "windows"} { # Windows version. # -# Note that info executable doesn't work under Windows, so we have to +# Note that file executable doesn't work under Windows, so we have to # look for files with .exe, .com, or .bat extensions. Also, the path # may be in the Path or PATH environment variables, and path # components are separated with semicolons, not colons as under Unix. |