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uplevel #0 {
if {"" == [info commands ::tclreadline::readline]} {
::tclreadline::Init
}
if {[catch {set a [::tclreadline::prompt1]}] && [info nameofexecutable] != ""} {
namespace eval ::tclreadline {
variable prompt_string
set base [file tail [info nameofexecutable]]
if {[string match tclsh* $base] && [info exists tcl_version]} {
set prompt_string \
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uplevel #0 {
if {"" == [info commands ::tclreadline::readline]} {
::tclreadline::Init
}
if {[catch {::tclreadline::prompt1}] && [info nameofexecutable] != ""} {
namespace eval ::tclreadline {
variable prompt_string
set base [file tail [info nameofexecutable]]
if {[string match tclsh* $base] && [info exists tcl_version]} {
set prompt_string \
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eval Setup ${args}
uplevel #0 {
while {1} {
if [info exists tcl_prompt2] {
set prompt2 $tcl_prompt2
} else {
set prompt2 ">"
}
if {[catch {
if {"" != [namespace eval ::tclreadline {info procs prompt1}]} {
set LINE [::tclreadline::readline read \
[::tclreadline::prompt1]]
} else {
set LINE [::tclreadline::readline read %]
}
while {![::tclreadline::readline complete $LINE]} {
append LINE "\n"
append LINE [tclreadline::readline read ${prompt2}]
}
} ::tclreadline::errorMsg]} {
puts stderr [list tclreadline::Loop: error. \
$::tclreadline::errorMsg]
continue
}
# Magnus Eriksson <magnus.eriksson@netinsight.se> proposed
# to add the line also to tclsh's history.
#
# I decided to add only lines which are different from
# the previous one to the history. This is different
# from tcsh's behaviour, but I found it quite convenient
# while using mshell on os9.
#
if {[string length $LINE] && [history event 0] != $LINE} {
history add $LINE
}
if [catch {
set result [eval $LINE]
if {$result != "" && [tclreadline::Print]} {
puts $result
}
set result ""
} ::tclreadline::errorMsg] {
puts stderr $::tclreadline::errorMsg
puts stderr [list while evaluating $LINE]
}
}
}
}
proc Print {args} {
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eval Setup ${args}
uplevel #0 {
while {1} {
# Try to transform {puts -nonewline stdout =>} into {concat =>}
if [info exists tcl_prompt2] {
regsub "puts\[ \t]*(-nonewline)?\[ \t](stdout)?" $tcl_prompt2 \
"concat" tcl_prompt2
}
if {[catch {
if {"" != [namespace eval ::tclreadline {info procs prompt1}]} {
set ::tclreadline::LINE [::tclreadline::readline read \
[::tclreadline::prompt1]]
} else {
set ::tclreadline::LINE [::tclreadline::readline read %]
}
while {![::tclreadline::readline complete $::tclreadline::LINE]} {
append ::tclreadline::LINE "\n"
append ::tclreadline::LINE [::tclreadline::readline read [
if [info exists tcl_prompt2] {
eval $tcl_prompt2
} else {
concat ">"
}
]]
}
} ::tclreadline::errorMsg]} {
puts stderr [list tclreadline::Loop: error. \
$::tclreadline::errorMsg]
continue
}
# Magnus Eriksson <magnus.eriksson@netinsight.se> proposed
# to add the line also to tclsh's history.
#
# I decided to add only lines which are different from
# the previous one to the history. This is different
# from tcsh's behaviour, but I found it quite convenient
# while using mshell on os9.
#
if {[string length $::tclreadline::LINE] && [history event 0] != $::tclreadline::LINE} {
history add $::tclreadline::LINE
}
if [catch {
set ::tclreadline::result [eval $::tclreadline::LINE]
if {$::tclreadline::result != "" && [::tclreadline::Print]} {
puts $::tclreadline::result
}
set ::tclreadline::result ""
} ::tclreadline::errorMsg] {
puts stderr $::tclreadline::errorMsg
puts stderr [list while evaluating $::tclreadline::LINE]
}
}
}
}
proc Print {args} {
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