1 # GDB GUI setup for GDB, the GNU debugger.
2 # Copyright 1994, 1995, 1996
3 # Free Software Foundation, Inc.
7 # This file is part of GDB.
9 # This program is free software; you can redistribute it and/or modify
10 # it under the terms of the GNU General Public License as published by
11 # the Free Software Foundation; either version 2 of the License, or
12 # (at your option) any later version.
14 # This program is distributed in the hope that it will be useful,
15 # but WITHOUT ANY WARRANTY; without even the implied warranty of
16 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 # GNU General Public License for more details.
19 # You should have received a copy of the GNU General Public License
20 # along with this program; if not, write to the Free Software
21 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
24 set wins($cfile) .src.text
28 set breakpoint_file(-1) {[garbage]}
29 set disassemble_with_source nosource
30 set gdb_prompt "(gdb) "
32 # Hint: The following can be toggled from a tclsh window after
33 # using the gdbtk "tk tclsh" command to open the window.
36 #option add *Foreground Black
37 #option add *Background White
38 #option add *Font -*-*-medium-r-normal--18-*-*-*-m-*-*-1
40 proc echo string {puts stdout $string}
42 # Assign elements from LIST to variables named in ARGS. FIXME replace
43 # with TclX version someday.
44 proc lassign {list args} {
45 set len [expr {[llength $args] - 1}]
47 upvar [lindex $args $len] local
48 set local [lindex $list $len]
56 # decr (var val) - compliment to incr
61 proc decr {var {val 1}} {
63 set num [expr {$num - $val}]
68 # Center a window on the screen.
70 proc center_window {toplevel} {
71 # Withdraw and update, to ensure geometry computations are finished.
75 set x [expr {[winfo screenwidth $toplevel] / 2
76 - [winfo reqwidth $toplevel] / 2
77 - [winfo vrootx $toplevel]}]
78 set y [expr {[winfo screenheight $toplevel] / 2
79 - [winfo reqheight $toplevel] / 2
80 - [winfo vrooty $toplevel]}]
81 wm geometry $toplevel +${x}+${y}
82 wm deiconify $toplevel
86 # Rearrange the bindtags so the widget comes after the class. I was
87 # always for Ousterhout putting the class bindings first, but no...
89 proc bind_widget_after_class {widget} {
90 set class [winfo class $widget]
92 foreach tag [bindtags $widget] {
93 if {$tag == $widget} {
98 lappend newList $widget
102 bindtags $widget $newList
106 # Make sure line number $LINE is visible in the text widget. But be
107 # more clever than the "see" command: if LINE is not currently
108 # displayed, arrange for LINE to be centered. There are cases in
109 # which this does not work, so as a last resort we revert to "see".
111 # This is inefficient, but probably not slow enough to actually
114 proc ensure_line_visible {text line} {
115 set pixHeight [winfo height $text]
116 # Compute height of widget in lines. This fails if a line is wider
117 # than the screen. FIXME.
118 set topLine [lindex [split [$text index @0,0] .] 0]
119 set botLine [lindex [split [$text index @0,${pixHeight}] .] 0]
121 if {$line > $topLine && $line < $botLine} then {
122 # Onscreen, and not on the very edge.
126 set newTop [expr {$line - ($botLine - $topLine)}]
127 if {$newTop < 0} then {
130 $text yview moveto $newTop
132 # In case the above failed.
136 if {[info exists env(EDITOR)]} then {
137 set editor $env(EDITOR)
144 # These functions are called by GDB (from C code) to do various things in
145 # TK-land. All start with the prefix `gdbtk_tcl_' to make them easy to find.
151 # gdbtk_tcl_fputs (text) - Output text to the command window
155 # GDB calls this to output TEXT to the GDB command window. The text is
156 # placed at the end of the text widget. Note that output may not occur,
157 # due to buffering. Use gdbtk_tcl_flush to cause an immediate update.
160 proc gdbtk_tcl_fputs {arg} {
161 .cmd.text insert end "$arg"
165 proc gdbtk_tcl_fputs_error {arg} {
166 .cmd.text insert end "$arg"
173 # gdbtk_tcl_flush () - Flush output to the command window
177 # GDB calls this to force all buffered text to the GDB command window.
180 proc gdbtk_tcl_flush {} {
188 # gdbtk_tcl_query (message) - Create a yes/no query dialog box
192 # GDB calls this to create a yes/no dialog box containing MESSAGE. GDB
193 # is hung while the dialog box is active (ie: no commands will work),
194 # however windows can still be refreshed in case of damage or exposure.
197 proc gdbtk_tcl_query {message} {
198 # FIXME We really want a Help button here. But Tk's brain-damaged
199 # modal dialogs won't really allow it. Should have async dialog
201 set result [tk_dialog .query "gdb : query" "$message" questhead 0 Yes No]
202 return [expr {!$result}]
208 # gdbtk_start_variable_annotation (args ...) -
212 # Not yet implemented.
215 proc gdbtk_tcl_start_variable_annotation {valaddr ref_type stor_cl
216 cum_expr field type_cast} {
217 echo "gdbtk_tcl_start_variable_annotation $valaddr $ref_type $stor_cl $cum_expr $field $type_cast"
223 # gdbtk_end_variable_annotation (args ...) -
227 # Not yet implemented.
230 proc gdbtk_tcl_end_variable_annotation {} {
231 echo gdbtk_tcl_end_variable_annotation
237 # gdbtk_tcl_breakpoint (action bpnum file line) - Notify the TK
238 # interface of changes to breakpoints.
242 # GDB calls this to notify TK of changes to breakpoints. ACTION is one
244 # create - Notify of breakpoint creation
245 # delete - Notify of breakpoint deletion
246 # modify - Notify of breakpoint modification
249 # file line pc type enabled disposition silent ignore_count commands cond_string thread hit_count
251 proc gdbtk_tcl_breakpoint {action bpnum} {
252 set bpinfo [gdb_get_breakpoint_info $bpnum]
253 set file [lindex $bpinfo 0]
254 set line [lindex $bpinfo 1]
255 set pc [lindex $bpinfo 2]
256 set enable [lindex $bpinfo 4]
258 if {$action == "modify"} {
259 if {$enable == "1"} {
266 ${action}_breakpoint $bpnum $file $line $pc
272 # gdbtk_tcl_readline_begin (message) - Notify Tk to open an interaction
273 # window and start gathering user input
277 # GDB calls this to notify TK that it needs to open an interaction
278 # window, displaying the given message, and be prepared to accept
279 # calls to gdbtk_tcl_readline to gather user input.
281 proc gdbtk_tcl_readline_begin {message} {
284 # If another readline window already exists, just bring it to the front.
285 if {[winfo exists .rl]} {raise .rl ; return}
287 # Create top level frame with scrollbar and text widget.
289 wm title .rl "Interaction Window"
290 wm iconname .rl "Input"
291 message .rl.msg -text $message -aspect 7500 -justify left
292 text .rl.text -width 80 -height 20 -setgrid true -cursor hand2 \
293 -yscrollcommand {.rl.scroll set}
294 scrollbar .rl.scroll -command {.rl.text yview}
295 pack .rl.msg -side top -fill x
296 pack .rl.scroll -side right -fill y
297 pack .rl.text -side left -fill both -expand true
299 # When the user presses return, get the text from the command start mark to the
300 # current insert point, stash it in the readline text variable, and update the
301 # command start mark to the current insert point
302 bind .rl.text <Return> {
303 set readline_text [.rl.text get cmdstart {end - 1 char}]
304 .rl.text mark set cmdstart insert
306 bind .rl.text <BackSpace> {
307 if [%W compare insert > cmdstart] {
308 %W delete {insert - 1 char} insert
314 bind .rl.text <Any-Key> {
315 if [%W compare insert < cmdstart] {
316 %W mark set insert end
319 bind .rl.text <Control-u> {
320 %W delete cmdstart "insert lineend"
323 bindtags .rl.text {.rl.text Text all}
329 # gdbtk_tcl_readline (prompt) - Get one user input line
333 # GDB calls this to get one line of input from the user interaction
334 # window, using "prompt" as the command line prompt.
336 proc gdbtk_tcl_readline {prompt} {
339 .rl.text insert end $prompt
340 .rl.text mark set cmdstart insert
341 .rl.text mark gravity cmdstart left
344 # Make this window the current one for input.
347 tkwait variable readline_text
349 return $readline_text
355 # gdbtk_tcl_readline_end - Terminate a user interaction
359 # GDB calls this when it is done getting interactive user input.
360 # Destroy the interaction window.
362 proc gdbtk_tcl_readline_end {} {
363 if {[winfo exists .rl]} { destroy .rl }
366 proc create_breakpoints_window {} {
369 if {[winfo exists .breakpoints]} {raise .breakpoints ; return}
371 build_framework .breakpoints "Breakpoints" ""
373 # First, delete all the old view menu entries
375 .breakpoints.menubar.view.menu delete 0 last
379 destroy .breakpoints.label
381 # Replace text with a canvas and fix the scrollbars
383 destroy .breakpoints.text
384 scrollbar .breakpoints.scrollx -orient horizontal \
385 -command {.breakpoints.c xview} -relief sunken
386 canvas .breakpoints.c -relief sunken -bd 2 \
388 -yscrollcommand {.breakpoints.scroll set} \
389 -xscrollcommand {.breakpoints.scrollx set}
390 .breakpoints.scroll configure -command {.breakpoints.c yview}
392 pack .breakpoints.scrollx -side bottom -fill x -in .breakpoints.info
393 pack .breakpoints.c -side left -expand yes -fill both \
394 -in .breakpoints.info
398 # Create a frame for each breakpoint
400 foreach bpnum [gdb_get_breakpoint_list] {
401 add_breakpoint_frame $bpnum
405 # Create a frame for bpnum in the .breakpoints canvas
407 proc add_breakpoint_frame {bpnum} {
412 if {![winfo exists .breakpoints]} return
414 set bpinfo [gdb_get_breakpoint_info $bpnum]
416 lassign $bpinfo file line pc type enabled($bpnum) disposition($bpnum) \
417 silent ignore_count commands cond thread hit_count
419 set f .breakpoints.c.$bpnum
421 if {![winfo exists $f]} {
422 frame $f -relief sunken -bd 2
424 label $f.id -text "#$bpnum $file:$line ($pc)" \
425 -relief flat -bd 2 -anchor w
427 label $f.hit_count.label -text "Hit count:" -relief flat \
428 -bd 2 -anchor w -width 11
429 label $f.hit_count.val -text $hit_count -relief flat \
431 checkbutton $f.hit_count.enabled -text Enabled \
432 -variable enabled($bpnum) -anchor w -relief flat
434 pack $f.hit_count.label $f.hit_count.val -side left
435 pack $f.hit_count.enabled -side right
438 label $f.thread.label -text "Thread: " -relief flat -bd 2 \
440 entry $f.thread.entry -bd 2 -relief sunken -width 10
441 $f.thread.entry insert end $thread
442 pack $f.thread.label -side left
443 pack $f.thread.entry -side left -fill x
446 label $f.cond.label -text "Condition: " -relief flat -bd 2 \
448 entry $f.cond.entry -bd 2 -relief sunken
449 $f.cond.entry insert end $cond
450 pack $f.cond.label -side left
451 pack $f.cond.entry -side left -fill x -expand yes
453 frame $f.ignore_count
454 label $f.ignore_count.label -text "Ignore count: " \
455 -relief flat -bd 2 -width 11 -anchor w
456 entry $f.ignore_count.entry -bd 2 -relief sunken -width 10
457 $f.ignore_count.entry insert end $ignore_count
458 pack $f.ignore_count.label -side left
459 pack $f.ignore_count.entry -side left -fill x
463 label $f.disps.label -text "Disposition: " -relief flat -bd 2 \
466 radiobutton $f.disps.delete -text Delete \
467 -variable disposition($bpnum) -anchor w -relief flat \
468 -command "gdb_cmd \"delete break $bpnum\"" \
471 radiobutton $f.disps.disable -text Disable \
472 -variable disposition($bpnum) -anchor w -relief flat \
473 -command "gdb_cmd \"disable break $bpnum\"" \
476 radiobutton $f.disps.donttouch -text "Leave alone" \
477 -variable disposition($bpnum) -anchor w -relief flat \
478 -command "gdb_cmd \"enable break $bpnum\"" \
481 pack $f.disps.label $f.disps.delete $f.disps.disable \
482 $f.disps.donttouch -side left -anchor w
483 text $f.commands -relief sunken -bd 2 -setgrid true \
484 -cursor hand2 -height 3 -width 30
486 foreach line $commands {
487 $f.commands insert end "${line}\n"
490 pack $f.id -side top -anchor nw -fill x
491 pack $f.hit_count $f.cond $f.thread $f.ignore_count $f.disps \
492 $f.commands -side top -fill x -anchor nw
495 set tag [.breakpoints.c create window 0 $bpframe_lasty -window $f -anchor nw]
497 set bbox [.breakpoints.c bbox $tag]
499 set bpframe_lasty [lindex $bbox 3]
501 .breakpoints.c configure -width [lindex $bbox 2]
504 # Delete a breakpoint frame
506 proc delete_breakpoint_frame {bpnum} {
509 if {![winfo exists .breakpoints]} return
511 # First, clear the canvas
513 .breakpoints.c delete all
515 # Now, repopulate it with all but the doomed breakpoint
518 foreach bp [gdb_get_breakpoint_list] {
520 add_breakpoint_frame $bp
525 proc asm_win_name {funcname} {
526 if {$funcname == "*None*"} {return .asm.text}
528 regsub -all {\.} $funcname _ temp
530 return .asm.func_${temp}
536 # create_breakpoint (bpnum file line pc) - Record breakpoint info in TK land
540 # GDB calls this indirectly (through gdbtk_tcl_breakpoint) to notify TK
541 # land of breakpoint creation. This consists of recording the file and
542 # line number in the breakpoint_file and breakpoint_line arrays. Also,
543 # if there is already a window associated with FILE, it is updated with
547 proc create_breakpoint {bpnum file line pc} {
549 global breakpoint_file
550 global breakpoint_line
551 global pos_to_breakpoint
552 global pos_to_bpcount
556 # Record breakpoint locations
558 set breakpoint_file($bpnum) $file
559 set breakpoint_line($bpnum) $line
560 set pos_to_breakpoint($file:$line) $bpnum
561 if {![info exists pos_to_bpcount($file:$line)]} {
562 set pos_to_bpcount($file:$line) 0
564 incr pos_to_bpcount($file:$line)
565 set pos_to_breakpoint($pc) $bpnum
566 if {![info exists pos_to_bpcount($pc)]} {
567 set pos_to_bpcount($pc) 0
569 incr pos_to_bpcount($pc)
571 # If there's a window for this file, update it
573 if {[info exists wins($file)]} {
574 insert_breakpoint_tag $wins($file) $line
577 # If there's an assembly window, update that too
579 set win [asm_win_name $cfunc]
580 if {[winfo exists $win]} {
581 insert_breakpoint_tag $win [pc_to_line $pclist($cfunc) $pc]
584 # Update the breakpoints window
586 add_breakpoint_frame $bpnum
592 # delete_breakpoint (bpnum file line pc) - Delete breakpoint info from TK land
596 # GDB calls this indirectly (through gdbtk_tcl_breakpoint) to notify TK
597 # land of breakpoint destruction. This consists of removing the file and
598 # line number from the breakpoint_file and breakpoint_line arrays. Also,
599 # if there is already a window associated with FILE, the tags are removed
603 proc delete_breakpoint {bpnum file line pc} {
605 global breakpoint_file
606 global breakpoint_line
607 global pos_to_breakpoint
608 global pos_to_bpcount
611 # Save line number and file for later
613 set line $breakpoint_line($bpnum)
615 set file $breakpoint_file($bpnum)
617 # Reset breakpoint annotation info
619 if {$pos_to_bpcount($file:$line) > 0} {
620 decr pos_to_bpcount($file:$line)
622 if {$pos_to_bpcount($file:$line) == 0} {
623 catch "unset pos_to_breakpoint($file:$line)"
625 unset breakpoint_file($bpnum)
626 unset breakpoint_line($bpnum)
628 # If there's a window for this file, update it
630 if {[info exists wins($file)]} {
631 delete_breakpoint_tag $wins($file) $line
636 # If there's an assembly window, update that too
638 if {$pos_to_bpcount($pc) > 0} {
639 decr pos_to_bpcount($pc)
641 if {$pos_to_bpcount($pc) == 0} {
642 catch "unset pos_to_breakpoint($pc)"
644 set win [asm_win_name $cfunc]
645 if {[winfo exists $win]} {
646 delete_breakpoint_tag $win [pc_to_line $pclist($cfunc) $pc]
651 delete_breakpoint_frame $bpnum
657 # enable_breakpoint (bpnum file line pc) - Record breakpoint info in TK land
661 # GDB calls this indirectly (through gdbtk_tcl_breakpoint) to notify TK
662 # land of a breakpoint being enabled. This consists of unstippling the
663 # specified breakpoint indicator.
666 proc enable_breakpoint {bpnum file line pc} {
671 if {[info exists wins($file)]} {
672 $wins($file) tag configure $line -fgstipple {}
675 # If there's an assembly window, update that too
677 set win [asm_win_name $cfunc]
678 if {[winfo exists $win]} {
679 $win tag configure [pc_to_line $pclist($cfunc) $pc] -fgstipple {}
682 # If there's a breakpoint window, update that too
684 if {[winfo exists .breakpoints]} {
685 set enabled($bpnum) 1
692 # disable_breakpoint (bpnum file line pc) - Record breakpoint info in TK land
696 # GDB calls this indirectly (through gdbtk_tcl_breakpoint) to notify TK
697 # land of a breakpoint being disabled. This consists of stippling the
698 # specified breakpoint indicator.
701 proc disable_breakpoint {bpnum file line pc} {
706 if {[info exists wins($file)]} {
707 $wins($file) tag configure $line -fgstipple gray50
710 # If there's an assembly window, update that too
712 set win [asm_win_name $cfunc]
713 if {[winfo exists $win]} {
714 $win tag configure [pc_to_line $pclist($cfunc) $pc] -fgstipple gray50
717 # If there's a breakpoint window, update that too
719 if {[winfo exists .breakpoints]} {
720 set enabled($bpnum) 0
727 # insert_breakpoint_tag (win line) - Insert a breakpoint tag in WIN.
731 # GDB calls this indirectly (through gdbtk_tcl_breakpoint) to insert a
732 # breakpoint tag into window WIN at line LINE.
735 proc insert_breakpoint_tag {win line} {
736 $win configure -state normal
738 $win insert $line.0 "B"
739 $win tag add margin $line.0 $line.8
741 $win configure -state disabled
747 # delete_breakpoint_tag (win line) - Remove a breakpoint tag from WIN.
751 # GDB calls this indirectly (through gdbtk_tcl_breakpoint) to remove a
752 # breakpoint tag from window WIN at line LINE.
755 proc delete_breakpoint_tag {win line} {
756 $win configure -state normal
758 if {[string range $win 0 3] == ".src"} then {
759 $win insert $line.0 "\xa4"
761 $win insert $line.0 " "
763 $win tag add margin $line.0 $line.8
764 $win configure -state disabled
767 proc gdbtk_tcl_busy {} {
768 if {[winfo exists .cmd]} {
769 .cmd.text configure -state disabled
771 if {[winfo exists .src]} {
772 .src.start configure -state disabled
773 .src.stop configure -state normal
774 .src.step configure -state disabled
775 .src.next configure -state disabled
776 .src.continue configure -state disabled
777 .src.finish configure -state disabled
778 .src.up configure -state disabled
779 .src.down configure -state disabled
780 .src.bottom configure -state disabled
782 if {[winfo exists .asm]} {
783 .asm.stepi configure -state disabled
784 .asm.nexti configure -state disabled
785 .asm.continue configure -state disabled
786 .asm.finish configure -state disabled
787 .asm.up configure -state disabled
788 .asm.down configure -state disabled
789 .asm.bottom configure -state disabled
794 proc gdbtk_tcl_idle {} {
795 if {[winfo exists .cmd]} {
796 .cmd.text configure -state normal
798 if {[winfo exists .src]} {
799 .src.start configure -state normal
800 .src.stop configure -state disabled
801 .src.step configure -state normal
802 .src.next configure -state normal
803 .src.continue configure -state normal
804 .src.finish configure -state normal
805 .src.up configure -state normal
806 .src.down configure -state normal
807 .src.bottom configure -state normal
809 if {[winfo exists .asm]} {
810 .asm.stepi configure -state normal
811 .asm.nexti configure -state normal
812 .asm.continue configure -state normal
813 .asm.finish configure -state normal
814 .asm.up configure -state normal
815 .asm.down configure -state normal
816 .asm.bottom configure -state normal
824 # pc_to_line (pclist pc) - convert PC to a line number.
828 # Convert PC to a line number from PCLIST. If exact line isn't found,
829 # we return the first line that starts before PC.
831 proc pc_to_line {pclist pc} {
832 set line [lsearch -exact $pclist $pc]
834 if {$line >= 1} { return $line }
837 foreach linepc [lrange $pclist 1 end] {
838 if {$pc < $linepc} { decr line ; return $line }
841 return [expr {$line - 1}]
847 # file popup menu - Define the file popup menu.
851 # This menu just contains a bunch of buttons that do various things to
852 # the line under the cursor.
856 # Edit - Run the editor (specified by the environment variable EDITOR) on
857 # this file, at the current line.
858 # Breakpoint - Set a breakpoint at the current line. This just shoves
859 # a `break' command at GDB with the appropriate file and line
860 # number. Eventually, GDB calls us back (at gdbtk_tcl_breakpoint)
861 # to notify us of where the breakpoint needs to show up.
864 menu .file_popup -cursor hand2 -tearoff 0
865 .file_popup add command -label "Not yet set" -state disabled
866 .file_popup add separator
867 .file_popup add command -label "Edit" \
868 -command {exec $editor +$selected_line $selected_file &}
869 .file_popup add command -label "Set breakpoint" \
870 -command {gdb_cmd "break $selected_file:$selected_line"}
872 # Use this procedure to get the GDB core to execute the string `cmd'. This is
873 # a wrapper around gdb_cmd, which will catch errors, and send output to the
874 # command window. It will also cause all of the other windows to be updated.
876 proc interactive_cmd {cmd} {
877 catch {gdb_cmd "$cmd"} result
878 .cmd.text insert end $result
886 # file popup menu - Define the file popup menu bindings.
890 # This defines the binding for the file popup menu. It simply
891 # unhighlights the line under the cursor.
894 bind .file_popup <Any-ButtonRelease-1> {
896 # Unhighlight the selected line
897 $selected_win tag delete breaktag
903 # listing_window_popup (win x y xrel yrel) - Handle popups for listing window
907 # This procedure is invoked by holding down button 2 (usually) in the
908 # listing window. The action taken depends upon where the button was
909 # pressed. If it was in the left margin (the breakpoint column), it
910 # sets or clears a breakpoint. In the main text area, it will pop up a
914 proc listing_window_popup {win x y xrel yrel} {
917 global file_to_debug_file
922 global pos_to_breakpoint
924 # Map TK window name back to file name.
926 set file $win_to_file($win)
928 set pos [split [$win index @$xrel,$yrel] .]
930 # Record selected file and line for menu button actions
932 set selected_file $file_to_debug_file($file)
933 set selected_line [lindex $pos 0]
934 set selected_col [lindex $pos 1]
935 set selected_win $win
937 # Post the menu near the pointer, (and grab it)
939 .file_popup entryconfigure 0 -label "$selected_file:$selected_line"
941 tk_popup .file_popup $x $y
947 # toggle_breakpoint (win x y xrel yrel) - Handle clicks on breakdots
951 # This procedure sets or clears breakpoints where the button clicked.
954 proc toggle_breakpoint {win x y xrel yrel} {
957 global file_to_debug_file
962 global pos_to_breakpoint
964 # Map TK window name back to file name.
966 set file $win_to_file($win)
968 set pos [split [$win index @$xrel,$yrel] .]
970 # Record selected file and line
972 set selected_file $file_to_debug_file($file)
973 set selected_line [lindex $pos 0]
974 set selected_col [lindex $pos 1]
975 set selected_win $win
977 # If we're in the margin, then toggle the breakpoint
979 if {$selected_col < 8} { # this is alway true actually
980 set pos_break $selected_file:$selected_line
981 set pos $file:$selected_line
982 set tmp pos_to_breakpoint($pos)
983 if {[info exists $tmp]} {
985 gdb_cmd "delete $bpnum"
987 gdb_cmd "break $pos_break"
996 # asm_window_button_1 (win x y xrel yrel) - Handle button 1 in asm window
1000 # This procedure is invoked as a result of holding down button 1 in the
1001 # assembly window. The action taken depends upon where the button was
1002 # pressed. If it was in the left margin (the breakpoint column), it
1003 # sets or clears a breakpoint. In the main text area, it will pop up a
1007 proc asm_window_button_1 {win x y xrel yrel} {
1010 global file_to_debug_file
1012 global selected_line
1013 global selected_file
1015 global pos_to_breakpoint
1019 set pos [split [$win index @$xrel,$yrel] .]
1021 # Record selected file and line for menu button actions
1023 set selected_line [lindex $pos 0]
1024 set selected_col [lindex $pos 1]
1025 set selected_win $win
1029 set pc [lindex $pclist($cfunc) $selected_line]
1031 # If we're in the margin, then toggle the breakpoint
1033 if {$selected_col < 11} {
1034 set tmp pos_to_breakpoint($pc)
1035 if {[info exists $tmp]} {
1036 set bpnum [set $tmp]
1037 gdb_cmd "delete $bpnum"
1039 gdb_cmd "break *$pc"
1044 # Post the menu near the pointer, (and grab it)
1046 # .file_popup entryconfigure 0 -label "$selected_file:$selected_line"
1047 # .file_popup post [expr $x-[winfo width .file_popup]/2] [expr $y-10]
1054 # do_nothing - Does absolutely nothing.
1058 # This procedure does nothing. It is used as a placeholder to allow
1059 # the disabling of bindings that would normally be inherited from the
1060 # parent widget. I can't think of any other way to do this.
1063 proc do_nothing {} {}
1068 # not_implemented_yet - warn that a feature is unavailable
1072 # This procedure warns that something doesn't actually work yet.
1075 proc not_implemented_yet {message} {
1076 tk_dialog .unimpl "gdb : unimpl" \
1077 "$message: not implemented in the interface yet" \
1084 # create_expr_window - Create expression display window
1088 # Create the expression display window.
1091 # Set delete_expr_num, and set -state of Delete button.
1092 proc expr_update_button {num} {
1093 global delete_expr_num
1094 set delete_expr_num $num
1095 if {$num > 0} then {
1100 .expr.buts.delete configure -state $state
1103 proc add_expr {expr} {
1104 global expr_update_list
1112 checkbutton $e.updates.$f -text "" -relief flat \
1113 -variable expr_update_list($expr_num)
1114 text $e.expressions.$f -width 20 -height 1
1115 $e.expressions.$f insert 0.0 $expr
1116 bind $e.expressions.$f <1> "update_expr $expr_num"
1117 text $e.values.$f -width 20 -height 1
1119 # Set up some bindings.
1120 foreach frame {updates expressions values} {
1121 bind $e.$frame.$f <FocusIn> "expr_update_button $expr_num"
1122 bind $e.$frame.$f <FocusOut> "expr_update_button 0"
1125 update_expr $expr_num
1127 pack $e.updates.$f -side top
1128 pack $e.expressions.$f -side top -expand yes -fill x
1129 pack $e.values.$f -side top -expand yes -fill x
1132 proc delete_expr {} {
1133 global delete_expr_num
1134 global expr_update_list
1136 if {$delete_expr_num > 0} then {
1138 set f e${delete_expr_num}
1140 destroy $e.updates.$f $e.expressions.$f $e.values.$f
1141 unset expr_update_list($delete_expr_num)
1145 proc update_expr {expr_num} {
1146 global expr_update_list
1151 set expr [$e.expressions.$f get 0.0 end]
1152 $e.values.$f delete 0.0 end
1153 if {! [catch {gdb_eval $expr} val]} {
1154 $e.values.$f insert 0.0 $val
1156 # FIXME consider flashing widget here.
1160 proc update_exprs {} {
1161 global expr_update_list
1163 foreach expr_num [array names expr_update_list] {
1164 if {$expr_update_list($expr_num)} {
1165 update_expr $expr_num
1170 proc create_expr_window {} {
1172 global delete_expr_num
1173 global expr_update_list
1175 if {[winfo exists .expr]} {raise .expr ; return}
1177 # All the state about individual expressions is stored in the
1178 # expression window widgets, so when it is deleted, the
1179 # previous values of the expression global variables become
1180 # invalid. Reset to a known initial state.
1182 set delete_expr_num 0
1183 catch {unset expr_update_list}
1184 set expr_update_list(0) 0
1187 wm title .expr "GDB Expressions"
1188 wm iconname .expr "Expressions"
1190 frame .expr.entryframe -borderwidth 2 -relief raised
1191 label .expr.entryframe.entrylab -text "Expression: "
1192 entry .expr.entryframe.entry -borderwidth 2 -relief sunken
1193 bind .expr.entryframe.entry <Return> {
1194 add_expr [.expr.entryframe.entry get]
1195 .expr.entryframe.entry delete 0 end
1198 pack .expr.entryframe.entrylab -side left
1199 pack .expr.entryframe.entry -side left -fill x -expand yes
1201 frame .expr.buts -borderwidth 2 -relief raised
1203 button .expr.buts.delete -text Delete -command delete_expr \
1206 button .expr.buts.close -text Close -command {destroy .expr}
1207 button .expr.buts.help -text Help -state disabled
1209 pack .expr.buts.delete -side left
1210 pack .expr.buts.help .expr.buts.close -side right
1212 pack .expr.buts -side bottom -fill x
1213 pack .expr.entryframe -side bottom -fill x
1215 frame .expr.exprs -borderwidth 2 -relief raised
1217 # Use three subframes so columns will line up. Easier than
1218 # dealing with BLT for a table geometry manager. Someday Tk
1219 # will have one, use it then. FIXME this messes up keyboard
1221 frame .expr.exprs.updates -borderwidth 0 -relief flat
1222 frame .expr.exprs.expressions -borderwidth 0 -relief flat
1223 frame .expr.exprs.values -borderwidth 0 -relief flat
1225 label .expr.exprs.updates.label -text Update
1226 pack .expr.exprs.updates.label -side top -anchor w
1227 label .expr.exprs.expressions.label -text Expression
1228 pack .expr.exprs.expressions.label -side top -anchor w
1229 label .expr.exprs.values.label -text Value
1230 pack .expr.exprs.values.label -side top -anchor w
1232 pack .expr.exprs.updates -side left
1233 pack .expr.exprs.values .expr.exprs.expressions \
1234 -side right -expand 1 -fill x
1236 pack .expr.exprs -side top -fill both -expand 1 -anchor w
1242 # display_expression (expression) - Display EXPRESSION in display window
1246 # Display EXPRESSION and its value in the expression display window.
1249 proc display_expression {expression} {
1252 add_expr $expression
1258 # create_file_win (filename) - Create a win for FILENAME.
1262 # The new text widget.
1266 # This procedure creates a text widget for FILENAME. It returns the
1267 # newly created widget. First, a text widget is created, and given basic
1268 # configuration info. Second, all the bindings are setup. Third, the
1269 # file FILENAME is read into the text widget. Fourth, margins and line
1270 # numbers are added.
1273 proc create_file_win {filename debug_file} {
1274 global breakpoint_file
1275 global breakpoint_line
1277 global debug_interface
1279 # Replace all the dirty characters in $filename with clean ones, and generate
1280 # a unique name for the text widget.
1282 regsub -all {\.} $filename {} temp
1283 set win .src.text$temp
1285 # Open the file, and read it into the text widget
1287 if {[catch "open $filename" fh]} {
1288 # File can't be read. Put error message into .src.nofile window and return.
1290 catch {destroy .src.nofile}
1291 text .src.nofile -height 25 -width 88 -relief sunken \
1292 -borderwidth 2 -yscrollcommand ".src.scroll set" \
1293 -setgrid true -cursor hand2
1294 .src.nofile insert 0.0 $fh
1295 .src.nofile configure -state disabled
1296 bind .src.nofile <1> do_nothing
1297 bind .src.nofile <B1-Motion> do_nothing
1301 # Actually create and do basic configuration on the text widget.
1303 text $win -height 25 -width 88 -relief sunken -borderwidth 2 \
1304 -yscrollcommand ".src.scroll set" -setgrid true -cursor hand2
1306 # Setup all the bindings
1308 bind $win <Enter> {focus %W}
1309 bind $win <1> do_nothing
1310 bind $win <B1-Motion> do_nothing
1312 bind $win <Key-Alt_R> do_nothing
1313 bind $win <Key-Alt_L> do_nothing
1314 bind $win <Key-Prior> "$win yview {@0,0 - 10 lines}"
1315 bind $win <Key-Next> "$win yview {@0,0 + 10 lines}"
1316 bind $win <Key-Up> "$win yview {@0,0 - 1 lines}"
1317 bind $win <Key-Down> "$win yview {@0,0 + 1 lines}"
1318 bind $win <Key-Home> {update_listing [gdb_loc]}
1319 bind $win <Key-End> "$win see end"
1321 bind $win n {interactive_cmd next}
1322 bind $win s {interactive_cmd step}
1323 bind $win c {interactive_cmd continue}
1324 bind $win f {interactive_cmd finish}
1325 bind $win u {interactive_cmd up}
1326 bind $win d {interactive_cmd down}
1328 if $debug_interface {
1329 bind $win <Control-C> {
1335 $win insert 0.0 [read $fh]
1338 # Add margins (for annotations) and a line number to each line (if requested)
1340 set numlines [$win index end]
1341 set numlines [lindex [split $numlines .] 0]
1342 if {$line_numbers} {
1343 for {set i 1} {$i <= $numlines} {incr i} {
1344 $win insert $i.0 [format " %4d " $i]
1345 $win tag add source $i.8 "$i.0 lineend"
1348 for {set i 1} {$i <= $numlines} {incr i} {
1349 $win insert $i.0 " "
1350 $win tag add source $i.8 "$i.0 lineend"
1356 foreach i [gdb_sourcelines $debug_file] {
1358 $win insert $i.0 "\xa4"
1359 $win tag add margin $i.0 $i.8
1362 # A debugging trick to highlight sensitive regions.
1363 if $debug_interface {
1364 $win tag bind source <Enter> {
1365 %W tag configure source -background yellow
1367 $win tag bind source <Leave> {
1368 %W tag configure source -background green
1370 $win tag bind margin <Enter> {
1371 %W tag configure margin -background red
1373 $win tag bind margin <Leave> {
1374 %W tag configure margin -background skyblue
1378 $win tag bind margin <1> {
1379 toggle_breakpoint %W %X %Y %x %y
1382 $win tag bind source <1> {
1383 %W mark set anchor "@%x,%y wordstart"
1384 set last [%W index "@%x,%y wordend"]
1385 %W tag remove sel 0.0 anchor
1386 %W tag remove sel $last end
1387 %W tag add sel anchor $last
1389 # $win tag bind source <Double-Button-1> {
1390 # %W mark set anchor "@%x,%y wordstart"
1391 # set last [%W index "@%x,%y wordend"]
1392 # %W tag remove sel 0.0 anchor
1393 # %W tag remove sel $last end
1394 # %W tag add sel anchor $last
1395 # echo "Selected [selection get]"
1397 $win tag bind source <B1-Motion> {
1398 %W tag remove sel 0.0 anchor
1399 %W tag remove sel $last end
1400 %W tag add sel anchor @%x,%y
1402 $win tag bind sel <1> break
1403 $win tag bind sel <Double-Button-1> {
1404 display_expression [selection get]
1407 $win tag bind sel <B1-Motion> break
1410 $win tag bind source <2> {
1411 listing_window_popup %W %X %Y %x %y
1414 # Make these bindings do nothing on the text window -- they
1415 # are completely handled by the tag bindings above.
1417 bind $win <B1-Motion> break
1418 bind $win <Double-Button-1> break
1420 # Scan though the breakpoint data base and install any destined for this file
1422 foreach bpnum [array names breakpoint_file] {
1423 if {$breakpoint_file($bpnum) == $filename} {
1424 insert_breakpoint_tag $win $breakpoint_line($bpnum)
1428 # Disable the text widget to prevent user modifications
1430 $win configure -state disabled
1437 # create_asm_win (funcname pc) - Create an assembly win for FUNCNAME.
1441 # The new text widget.
1445 # This procedure creates a text widget for FUNCNAME. It returns the
1446 # newly created widget. First, a text widget is created, and given basic
1447 # configuration info. Second, all the bindings are setup. Third, the
1448 # function FUNCNAME is read into the text widget.
1451 proc create_asm_win {funcname pc} {
1452 global breakpoint_file
1453 global breakpoint_line
1455 global disassemble_with_source
1457 # Replace all the dirty characters in $filename with clean ones, and generate
1458 # a unique name for the text widget.
1460 set win [asm_win_name $funcname]
1462 # Actually create and do basic configuration on the text widget.
1464 text $win -height 25 -width 80 -relief sunken -borderwidth 2 \
1465 -setgrid true -cursor hand2 -yscrollcommand ".asm.scroll set"
1467 # Setup all the bindings
1469 bind $win <Enter> {focus %W}
1470 bind $win <1> {asm_window_button_1 %W %X %Y %x %y; break}
1471 bind $win <B1-Motion> break
1472 bind $win <Double-Button-1> break
1474 bind $win <Key-Alt_R> do_nothing
1475 bind $win <Key-Alt_L> do_nothing
1477 bind $win n {interactive_cmd nexti}
1478 bind $win s {interactive_cmd stepi}
1479 bind $win c {interactive_cmd continue}
1480 bind $win f {interactive_cmd finish}
1481 bind $win u {interactive_cmd up}
1482 bind $win d {interactive_cmd down}
1484 # Disassemble the code, and read it into the new text widget
1486 $win insert end [gdb_disassemble $disassemble_with_source $pc]
1488 set numlines [$win index end]
1489 set numlines [lindex [split $numlines .] 0]
1492 # Delete the first and last lines, cuz these contain useless info
1494 # $win delete 1.0 2.0
1495 # $win delete {end - 1 lines} end
1498 # Add margins (for annotations) and note the PC for each line
1500 catch "unset pclist($funcname)"
1501 lappend pclist($funcname) Unused
1502 for {set i 1} {$i <= $numlines} {incr i} {
1503 scan [$win get $i.0 "$i.0 lineend"] "%s " pc
1504 lappend pclist($funcname) $pc
1505 $win insert $i.0 " "
1508 # Scan though the breakpoint data base and install any destined for this file
1510 # foreach bpnum [array names breakpoint_file] {
1511 # if {$breakpoint_file($bpnum) == $filename} {
1512 # insert_breakpoint_tag $win $breakpoint_line($bpnum)
1516 # Disable the text widget to prevent user modifications
1518 $win configure -state disabled
1525 # update_listing (linespec) - Update the listing window according to
1530 # This procedure is called from various places to update the listing
1531 # window based on LINESPEC. It is usually invoked with the result of
1534 # It will move the cursor, and scroll the text widget if necessary.
1535 # Also, it will switch to another text widget if necessary, and update
1536 # the label widget too.
1538 # LINESPEC is a list of the form:
1540 # { DEBUG_FILE FUNCNAME FILENAME LINE }, where:
1542 # DEBUG_FILE - is the abbreviated form of the file name. This is usually
1543 # the file name string given to the cc command. This is
1544 # primarily needed for breakpoint commands, and when an
1545 # abbreviated for of the filename is desired.
1546 # FUNCNAME - is the name of the function.
1547 # FILENAME - is the fully qualified (absolute) file name. It is usually
1548 # the same as $PWD/$DEBUG_FILE, where PWD is the working dir
1549 # at the time the cc command was given. This is used to
1550 # actually locate the file to be displayed.
1551 # LINE - The line number to be displayed.
1553 # Usually, this procedure will just move the cursor one line down to the
1554 # next line to be executed. However, if the cursor moves out of range
1555 # or into another file, it will scroll the text widget so that the line
1556 # of interest is in the middle of the viewable portion of the widget.
1559 proc update_listing {linespec} {
1562 global current_label
1564 global file_to_debug_file
1567 # Rip the linespec apart
1569 lassign $linespec debug_file funcname filename line
1571 # Sometimes there's no source file for this location
1573 if {$filename == ""} {set filename Blank}
1575 # If we want to switch files, we need to unpack the current text widget, and
1576 # stick in the new one.
1578 if {$filename != $cfile} then {
1579 pack forget $wins($cfile)
1582 # Create a text widget for this file if necessary
1584 if {![info exists wins($cfile)]} then {
1585 set wins($cfile) [create_file_win $cfile $debug_file]
1586 if {$wins($cfile) != ".src.nofile"} {
1587 set win_to_file($wins($cfile)) $cfile
1588 set file_to_debug_file($cfile) $debug_file
1589 set pointers($cfile) 1.1
1593 # Pack the text widget into the listing widget, and scroll to the right place
1595 pack $wins($cfile) -side left -expand yes -in .src.info \
1596 -fill both -after .src.scroll
1598 # Make the scrollbar point at the new text widget
1600 .src.scroll configure -command "$wins($cfile) yview"
1602 # $wins($cfile) see "${line}.0 linestart"
1603 ensure_line_visible $wins($cfile) $line
1606 # Update the label widget in case the filename or function name has changed
1608 if {$current_label != "$filename.$funcname"} then {
1609 set tail [expr [string last / $filename] + 1]
1610 set .src.label "[string range $filename $tail end] : ${funcname}()"
1611 # .src.label configure -text "[string range $filename $tail end] : ${funcname}()"
1612 set current_label $filename.$funcname
1615 # Update the pointer, scrolling the text widget if necessary to keep the
1616 # pointer in an acceptable part of the screen.
1618 if {[info exists pointers($cfile)]} then {
1619 $wins($cfile) configure -state normal
1620 set pointer_pos $pointers($cfile)
1621 $wins($cfile) configure -state normal
1622 $wins($cfile) delete $pointer_pos "$pointer_pos + 2 char"
1623 $wins($cfile) insert $pointer_pos " "
1625 set pointer_pos [$wins($cfile) index $line.1]
1626 set pointers($cfile) $pointer_pos
1628 $wins($cfile) delete $pointer_pos "$pointer_pos + 2 char"
1629 $wins($cfile) insert $pointer_pos "->"
1630 ensure_line_visible $wins($cfile) $line
1631 $wins($cfile) configure -state disabled
1638 # create_asm_window - Open up the assembly window.
1642 # Create an assembly window if it doesn't exist.
1645 proc create_asm_window {} {
1648 if {[winfo exists .asm]} {raise .asm ; return}
1651 set win [asm_win_name $cfunc]
1653 build_framework .asm Assembly "*NIL*"
1655 # First, delete all the old menu entries
1657 .asm.menubar.view.menu delete 0 last
1659 .asm.text configure -yscrollcommand ".asm.scroll set"
1664 button .asm.stepi -width 6 -text Stepi \
1665 -command {interactive_cmd stepi}
1666 button .asm.nexti -width 6 -text Nexti \
1667 -command {interactive_cmd nexti}
1668 button .asm.continue -width 6 -text Cont \
1669 -command {interactive_cmd continue}
1670 button .asm.finish -width 6 -text Finish \
1671 -command {interactive_cmd finish}
1672 button .asm.up -width 6 -text Up -command {interactive_cmd up}
1673 button .asm.down -width 6 -text Down \
1674 -command {interactive_cmd down}
1675 button .asm.bottom -width 6 -text Bottom \
1676 -command {interactive_cmd {frame 0}}
1678 pack .asm.stepi .asm.continue .asm.up .asm.bottom -side left -padx 3 -pady 5 -in .asm.row1
1679 pack .asm.nexti .asm.finish .asm.down -side left -padx 3 -pady 5 -in .asm.row2
1681 pack .asm.row2 .asm.row1 -side bottom -anchor w -before .asm.info
1685 update_assembly [gdb_loc]
1687 # We do this update_assembly to get the proper value of disassemble-from-exec.
1689 # exec file menu item
1690 .asm.menubar.view.menu add radiobutton -label "Exec file" \
1691 -variable disassemble-from-exec -value 1
1692 # target memory menu item
1693 .asm.menubar.view.menu add radiobutton -label "Target memory" \
1694 -variable disassemble-from-exec -value 0
1696 # Disassemble with source
1697 .asm.menubar.view.menu add checkbutton -label "Source" \
1698 -variable disassemble_with_source -onvalue source \
1699 -offvalue nosource -command {
1700 foreach asm [info command .asm.func_*] {
1704 update_assembly [gdb_loc]
1708 proc reg_config_menu {} {
1709 catch {destroy .reg.config}
1710 toplevel .reg.config
1711 wm geometry .reg.config +300+300
1712 wm title .reg.config "Register configuration"
1713 wm iconname .reg.config "Reg config"
1714 set regnames [gdb_regnames]
1715 set num_regs [llength $regnames]
1717 frame .reg.config.buts
1719 button .reg.config.done -text " Done " -command "
1720 recompute_reg_display_list $num_regs
1722 update_registers all
1723 destroy .reg.config "
1725 button .reg.config.update -text Update -command "
1726 recompute_reg_display_list $num_regs
1728 update_registers all "
1730 pack .reg.config.buts -side bottom -fill x
1732 pack .reg.config.done -side left -fill x -expand yes -in .reg.config.buts
1733 pack .reg.config.update -side right -fill x -expand yes -in .reg.config.buts
1735 # Since there can be lots of registers, we build the window with no more than
1736 # 32 rows, and as many columns as needed.
1738 # First, figure out how many columns we need and create that many column frame
1741 set ncols [expr ($num_regs + 31) / 32]
1743 for {set col 0} {$col < $ncols} {incr col} {
1744 frame .reg.config.col$col
1745 pack .reg.config.col$col -side left -anchor n
1748 # Now, create the checkbutton widgets and pack them in the appropriate columns
1752 for {set regnum 0} {$regnum < $num_regs} {incr regnum} {
1753 set regname [lindex $regnames $regnum]
1754 checkbutton .reg.config.col$col.$row -text $regname -pady 0 \
1755 -variable regena($regnum) -relief flat -anchor w -bd 1
1757 pack .reg.config.col$col.$row -side top -fill both
1770 # create_registers_window - Open up the register display window.
1774 # Create the register display window, with automatic updates.
1777 proc create_registers_window {} {
1778 global reg_format_natural
1779 global reg_format_decimal
1780 global reg_format_hex
1781 global reg_format_octal
1782 global reg_format_raw
1783 global reg_format_binary
1784 global reg_format_unsigned
1786 # If we already have a register window, just use that one.
1788 if {[winfo exists .reg]} {raise .reg ; return}
1790 # Create an initial register display list consisting of all registers
1794 build_framework .reg Registers
1796 # First, delete all the old menu entries
1798 .reg.menubar.view.menu delete 0 last
1801 .reg.menubar.view.menu add checkbutton -label $reg_format_natural(label) \
1802 -variable reg_format_natural(enable) -onvalue on -offvalue off \
1803 -command {update_registers redraw}
1806 .reg.menubar.view.menu add checkbutton -label $reg_format_decimal(label) \
1807 -variable reg_format_decimal(enable) -onvalue on -offvalue off \
1808 -command {update_registers redraw}
1811 .reg.menubar.view.menu add checkbutton -label $reg_format_hex(label) \
1812 -variable reg_format_hex(enable) -onvalue on -offvalue off \
1813 -command {update_registers redraw}
1816 .reg.menubar.view.menu add checkbutton -label $reg_format_octal(label) \
1817 -variable reg_format_octal(enable) -onvalue on -offvalue off \
1818 -command {update_registers redraw}
1821 .reg.menubar.view.menu add checkbutton -label $reg_format_binary(label) \
1822 -variable reg_format_binary(enable) -onvalue on -offvalue off \
1823 -command {update_registers redraw}
1825 # Unsigned menu item
1826 .reg.menubar.view.menu add checkbutton -label $reg_format_unsigned(label) \
1827 -variable reg_format_unsigned(enable) -onvalue on -offvalue off \
1828 -command {update_registers redraw}
1831 .reg.menubar.view.menu add checkbutton -label $reg_format_raw(label) \
1832 -variable reg_format_raw(enable) -onvalue on -offvalue off \
1833 -command {update_registers redraw}
1836 .reg.menubar.view.menu add separator
1838 .reg.menubar.view.menu add command -label Config \
1839 -command { reg_config_menu }
1843 # Install the reg names
1846 update_registers all
1849 proc init_reg_info {} {
1850 global reg_format_natural
1851 global reg_format_decimal
1852 global reg_format_hex
1853 global reg_format_octal
1854 global reg_format_raw
1855 global reg_format_binary
1856 global reg_format_unsigned
1860 if {![info exists reg_format_hex]} {
1861 global reg_display_list
1862 global changed_reg_list
1865 set long_size [lindex [gdb_cmd {p sizeof(long)}] 2]
1866 set double_size [lindex [gdb_cmd {p sizeof(double)}] 2]
1868 # The natural format may print floats or doubles as floating point,
1869 # which typically takes more room that printing ints on the same
1870 # machine. We assume that if longs are 8 bytes that this is
1871 # probably a 64 bit machine. (FIXME)
1872 set reg_format_natural(label) Natural
1873 set reg_format_natural(enable) on
1874 set reg_format_natural(format) {}
1875 if {$long_size == 8} then {
1876 set reg_format_natural(width) 25
1878 set reg_format_natural(width) 16
1881 set reg_format_decimal(label) Decimal
1882 set reg_format_decimal(enable) off
1883 set reg_format_decimal(format) d
1884 if {$long_size == 8} then {
1885 set reg_format_decimal(width) 21
1887 set reg_format_decimal(width) 12
1890 set reg_format_hex(label) Hex
1891 set reg_format_hex(enable) off
1892 set reg_format_hex(format) x
1893 set reg_format_hex(width) [expr $long_size * 2 + 3]
1895 set reg_format_octal(label) Octal
1896 set reg_format_octal(enable) off
1897 set reg_format_octal(format) o
1898 set reg_format_octal(width) [expr $long_size * 8 / 3 + 3]
1900 set reg_format_raw(label) Raw
1901 set reg_format_raw(enable) off
1902 set reg_format_raw(format) r
1903 set reg_format_raw(width) [expr $double_size * 2 + 3]
1905 set reg_format_binary(label) Binary
1906 set reg_format_binary(enable) off
1907 set reg_format_binary(format) t
1908 set reg_format_binary(width) [expr $long_size * 8 + 1]
1910 set reg_format_unsigned(label) Unsigned
1911 set reg_format_unsigned(enable) off
1912 set reg_format_unsigned(format) u
1913 if {$long_size == 8} then {
1914 set reg_format_unsigned(width) 21
1916 set reg_format_unsigned(width) 11
1919 set num_regs [llength [gdb_regnames]]
1920 for {set regnum 0} {$regnum < $num_regs} {incr regnum} {
1921 set regena($regnum) 1
1923 recompute_reg_display_list $num_regs
1924 #set changed_reg_list $reg_display_list
1925 set changed_reg_list {}
1929 # Convert regena into a list of the enabled $regnums
1931 proc recompute_reg_display_list {num_regs} {
1932 global reg_display_list
1936 catch {unset reg_display_list}
1937 set reg_display_list {}
1940 for {set regnum 0} {$regnum < $num_regs} {incr regnum} {
1942 if {[set regena($regnum)] != 0} {
1943 lappend reg_display_list $regnum
1944 set regmap($regnum) $line
1950 # Fill out the register window with the names of the regs specified in
1953 proc populate_reg_window {} {
1954 global reg_format_natural
1955 global reg_format_decimal
1956 global reg_format_hex
1957 global reg_format_octal
1958 global reg_format_raw
1959 global reg_format_binary
1960 global reg_format_unsigned
1961 global max_regname_width
1962 global reg_display_list
1965 $win configure -state normal
1967 # Clear the entire widget and insert a blank line at the top where
1968 # the column labels will appear.
1970 $win insert end "\n"
1972 if {[llength $reg_display_list] > 0} {
1973 set regnames [eval gdb_regnames $reg_display_list]
1978 # Figure out the longest register name
1980 set max_regname_width 0
1982 foreach reg $regnames {
1983 set len [string length $reg]
1984 if {$len > $max_regname_width} {set max_regname_width $len}
1987 set width [expr $max_regname_width + 15]
1989 set height [expr [llength $regnames] + 1]
1991 if {$height > 60} {set height 60}
1993 $win configure -height $height -width $width
1994 foreach reg $regnames {
1995 $win insert end [format "%-*s\n" $width ${reg}]
1998 #Delete the blank line left at end by last insertion.
1999 if {[llength $regnames] > 0} {
2000 $win delete {end - 1 char} end
2003 $win configure -state disabled
2009 # update_registers - Update the registers window.
2013 # This procedure updates the registers window according to the value of
2017 proc update_registers {which} {
2018 global max_regname_width
2019 global reg_format_natural
2020 global reg_format_decimal
2021 global reg_format_hex
2022 global reg_format_octal
2023 global reg_format_binary
2024 global reg_format_unsigned
2025 global reg_format_raw
2026 global reg_display_list
2027 global changed_reg_list
2031 # margin is the column where we start printing values
2032 set margin [expr $max_regname_width + 1]
2034 $win configure -state normal
2036 if {$which == "all" || $which == "redraw"} {
2037 set display_list $reg_display_list
2038 $win delete 1.0 1.end
2039 $win insert 1.0 [format "%*s" $max_regname_width " "]
2040 foreach format {natural decimal unsigned hex octal raw binary } {
2042 set var reg_format_$format$field
2043 if {[set $var] == "on"} {
2045 set var reg_format_$format$field
2046 set label [set $var]
2048 set var reg_format_$format$field
2049 set var [format "%*s" [set $var] $label]
2050 $win insert 1.end $var
2054 # Unhighlight the old values
2055 foreach regnum $changed_reg_list {
2056 $win tag delete $win.$regnum
2058 set changed_reg_list [eval gdb_changed_register_list $reg_display_list]
2059 set display_list $changed_reg_list
2061 foreach regnum $display_list {
2062 set lineindex $regmap($regnum)
2063 $win delete $lineindex.$margin "$lineindex.0 lineend"
2064 foreach format {natural decimal unsigned hex octal raw binary } {
2066 set var reg_format_$format$field
2067 if {[set $var] == "on"} {
2069 set var reg_format_$format$field
2070 set regval [gdb_fetch_registers [set $var] $regnum]
2072 set var reg_format_$format$field
2073 set regval [format "%*s" [set $var] $regval]
2074 $win insert $lineindex.end $regval
2078 # Now, highlight the changed values of the interesting registers
2079 if {$which != "all"} {
2080 foreach regnum $changed_reg_list {
2081 set lineindex $regmap($regnum)
2082 $win tag add $win.$regnum $lineindex.0 "$lineindex.0 lineend"
2083 eval $win tag configure $win.$regnum $highlight
2086 set winwidth $margin
2087 foreach format {natural decimal unsigned hex octal raw binary} {
2089 set var reg_format_$format$field
2090 if {[set $var] == "on"} {
2092 set var reg_format_$format$field
2093 set winwidth [expr $winwidth + [set $var]]
2096 $win configure -width $winwidth
2097 $win configure -state disabled
2103 # update_assembly - Update the assembly window.
2107 # This procedure updates the assembly window.
2110 proc update_assembly {linespec} {
2113 global current_label
2115 global file_to_debug_file
2116 global current_asm_label
2120 # Rip the linespec apart
2122 lassign $linespec debug_file funcname filename line pc
2124 set win [asm_win_name $cfunc]
2126 # Sometimes there's no source file for this location
2128 if {$filename == ""} {set filename Blank}
2130 # If we want to switch funcs, we need to unpack the current text widget, and
2131 # stick in the new one.
2133 if {$funcname != $cfunc } {
2137 set win [asm_win_name $cfunc]
2139 # Create a text widget for this func if necessary
2141 if {![winfo exists $win]} {
2142 create_asm_win $cfunc $pc
2143 set asm_pointers($cfunc) 1.1
2144 set current_asm_label NIL
2147 # Pack the text widget, and scroll to the right place
2150 pack $win -side left -expand yes -fill both \
2152 .asm.scroll configure -command "$win yview"
2153 set line [pc_to_line $pclist($cfunc) $pc]
2154 ensure_line_visible $win $line
2158 # Update the label widget in case the filename or function name has changed
2160 if {$current_asm_label != "$pc $funcname"} then {
2161 set .asm.label "$pc $funcname"
2162 set current_asm_label "$pc $funcname"
2165 # Update the pointer, scrolling the text widget if necessary to keep the
2166 # pointer in an acceptable part of the screen.
2168 if {[info exists asm_pointers($cfunc)]} then {
2169 $win configure -state normal
2170 set pointer_pos $asm_pointers($cfunc)
2171 $win configure -state normal
2172 $win delete $pointer_pos "$pointer_pos + 2 char"
2173 $win insert $pointer_pos " "
2175 # Map the PC back to a line in the window
2177 set line [pc_to_line $pclist($cfunc) $pc]
2180 echo "Can't find PC $pc"
2184 set pointer_pos [$win index $line.1]
2185 set asm_pointers($cfunc) $pointer_pos
2187 $win delete $pointer_pos "$pointer_pos + 2 char"
2188 $win insert $pointer_pos "->"
2189 ensure_line_visible $win $line
2190 $win configure -state disabled
2197 # update_ptr - Update the listing window.
2201 # This routine will update the listing window using the result of
2205 proc update_ptr {} {
2206 update_listing [gdb_loc]
2207 if {[winfo exists .asm]} {
2208 update_assembly [gdb_loc]
2210 if {[winfo exists .reg]} {
2211 update_registers changed
2213 if {[winfo exists .expr]} {
2216 if {[winfo exists .autocmd]} {
2221 # Make toplevel window disappear
2225 proc files_command {} {
2226 toplevel .files_window
2228 wm minsize .files_window 1 1
2229 # wm overrideredirect .files_window true
2230 listbox .files_window.list -width 30 -height 20 -setgrid true \
2231 -yscrollcommand {.files_window.scroll set} -relief sunken \
2233 scrollbar .files_window.scroll -orient vertical \
2234 -command {.files_window.list yview} -relief sunken
2235 button .files_window.close -text Close -command {destroy .files_window}
2236 .files_window.list configure -selectmode single
2238 # Get the file list from GDB, sort it, and insert into the widget.
2239 eval .files_window.list insert 0 [lsort [gdb_listfiles]]
2241 pack .files_window.close -side bottom -fill x -expand no -anchor s
2242 pack .files_window.scroll -side right -fill both
2243 pack .files_window.list -side left -fill both -expand yes
2244 bind .files_window.list <ButtonRelease-1> {
2245 set file [%W get [%W curselection]]
2246 gdb_cmd "list $file:1,0"
2247 update_listing [gdb_loc $file:1]
2248 destroy .files_window
2250 # We must execute the listbox binding first, because it
2251 # references the widget that will be destroyed by the widget
2252 # binding for Button-Release-1. Otherwise we try to use
2253 # .files_window.list after the .files_window is destroyed.
2254 bind_widget_after_class .files_window.list
2257 button .files -text Files -command files_command
2259 proc apply_filespec {label default command} {
2260 set filename [tk_getOpenFile -title $label -initialfile $default]
2261 if {$filename != ""} {
2262 if {[catch {gdb_cmd "$command $filename"} retval]} {
2263 tk_dialog .filespec_error "gdb : $label error" \
2264 "Error in command \"$command $filename\"" error \
2273 proc run_editor {editor file} {
2274 # FIXME should use index of line in middle of window, not line at
2277 set lineNo [lindex [split [$wins($file) index @0,0] .] 0]
2278 exec $editor +$lineNo $file
2281 # Setup command window
2282 proc build_framework {win {title GDBtk} {label {}}} {
2286 wm title ${win} $title
2287 wm minsize ${win} 1 1
2289 frame ${win}.menubar
2291 menubutton ${win}.menubar.file -padx 12 -text File \
2292 -menu ${win}.menubar.file.menu -underline 0
2294 menu ${win}.menubar.file.menu
2295 ${win}.menubar.file.menu add command -label File... \
2296 -command {apply_filespec File a.out file}
2297 ${win}.menubar.file.menu add command -label Target... \
2298 -command { not_implemented_yet "target" }
2299 ${win}.menubar.file.menu add command -label Edit \
2300 -command {run_editor $editor $cfile}
2301 ${win}.menubar.file.menu add separator
2302 ${win}.menubar.file.menu add command -label "Exec File..." \
2303 -command {apply_filespec {Exec File} a.out exec-file}
2304 ${win}.menubar.file.menu add command -label "Symbol File..." \
2305 -command {apply_filespec {Symbol File} a.out symbol-file}
2306 ${win}.menubar.file.menu add command -label "Add Symbol File..." \
2307 -command { not_implemented_yet "menu item, add symbol file" }
2308 ${win}.menubar.file.menu add command -label "Core File..." \
2309 -command {apply_filespec {Core File} core core-file}
2311 ${win}.menubar.file.menu add separator
2312 ${win}.menubar.file.menu add command -label Close \
2313 -command "destroy ${win}"
2314 ${win}.menubar.file.menu add separator
2315 ${win}.menubar.file.menu add command -label Quit \
2316 -command {interactive_cmd quit}
2318 menubutton ${win}.menubar.commands -padx 12 -text Commands \
2319 -menu ${win}.menubar.commands.menu -underline 0
2321 menu ${win}.menubar.commands.menu
2322 ${win}.menubar.commands.menu add command -label Run \
2323 -command {interactive_cmd run}
2324 ${win}.menubar.commands.menu add command -label Step \
2325 -command {interactive_cmd step}
2326 ${win}.menubar.commands.menu add command -label Next \
2327 -command {interactive_cmd next}
2328 ${win}.menubar.commands.menu add command -label Continue \
2329 -command {interactive_cmd continue}
2330 ${win}.menubar.commands.menu add separator
2331 ${win}.menubar.commands.menu add command -label Stepi \
2332 -command {interactive_cmd stepi}
2333 ${win}.menubar.commands.menu add command -label Nexti \
2334 -command {interactive_cmd nexti}
2336 menubutton ${win}.menubar.view -padx 12 -text Options \
2337 -menu ${win}.menubar.view.menu -underline 0
2339 menu ${win}.menubar.view.menu
2340 ${win}.menubar.view.menu add command -label Hex \
2342 ${win}.menubar.view.menu add command -label Decimal \
2343 -command {echo Decimal}
2344 ${win}.menubar.view.menu add command -label Octal \
2345 -command {echo Octal}
2347 menubutton ${win}.menubar.window -padx 12 -text Window \
2348 -menu ${win}.menubar.window.menu -underline 0
2350 menu ${win}.menubar.window.menu
2351 ${win}.menubar.window.menu add command -label Command \
2352 -command create_command_window
2353 ${win}.menubar.window.menu add separator
2354 ${win}.menubar.window.menu add command -label Source \
2355 -command create_source_window
2356 ${win}.menubar.window.menu add command -label Assembly \
2357 -command create_asm_window
2358 ${win}.menubar.window.menu add separator
2359 ${win}.menubar.window.menu add command -label Registers \
2360 -command create_registers_window
2361 ${win}.menubar.window.menu add command -label Expressions \
2362 -command create_expr_window
2363 ${win}.menubar.window.menu add command -label "Auto Command" \
2364 -command create_autocmd_window
2365 ${win}.menubar.window.menu add command -label Breakpoints \
2366 -command create_breakpoints_window
2368 # ${win}.menubar.window.menu add separator
2369 # ${win}.menubar.window.menu add command -label Files \
2370 # -command { not_implemented_yet "files window" }
2372 menubutton ${win}.menubar.help -padx 12 -text Help \
2373 -menu ${win}.menubar.help.menu -underline 0
2375 menu ${win}.menubar.help.menu
2376 ${win}.menubar.help.menu add command -label "with GDBtk" \
2377 -command {echo "with GDBtk"}
2378 ${win}.menubar.help.menu add command -label "with this window" \
2379 -command {echo "with this window"}
2380 ${win}.menubar.help.menu add command -label "Report bug" \
2381 -command {exec send-pr}
2383 pack ${win}.menubar.file \
2384 ${win}.menubar.view \
2385 ${win}.menubar.window -side left
2386 pack ${win}.menubar.help -side right
2389 text ${win}.text -height 25 -width 80 -relief sunken -borderwidth 2 \
2390 -setgrid true -cursor hand2 -yscrollcommand "${win}.scroll set"
2392 set ${win}.label $label
2393 label ${win}.label -textvariable ${win}.label -borderwidth 2 -relief sunken
2395 scrollbar ${win}.scroll -orient vertical -command "${win}.text yview" \
2398 bind $win <Key-Alt_R> do_nothing
2399 bind $win <Key-Alt_L> do_nothing
2401 pack ${win}.label -side bottom -fill x -in ${win}.info
2402 pack ${win}.scroll -side right -fill y -in ${win}.info
2403 pack ${win}.text -side left -expand yes -fill both -in ${win}.info
2405 pack ${win}.menubar -side top -fill x
2406 pack ${win}.info -side top -fill both -expand yes
2409 proc create_source_window {} {
2413 if {[winfo exists .src]} {raise .src ; return}
2415 build_framework .src Source "*No file*"
2417 # First, delete all the old view menu entries
2419 .src.menubar.view.menu delete 0 last
2421 # Source file selection
2422 .src.menubar.view.menu add command -label "Select source file" \
2423 -command files_command
2425 # Line numbers enable/disable menu item
2426 .src.menubar.view.menu add checkbutton -variable line_numbers \
2427 -label "Line numbers" -onvalue 1 -offvalue 0 -command {
2428 foreach source [array names wins] {
2429 if {$source == "Blank"} continue
2430 destroy $wins($source)
2434 update_listing [gdb_loc]
2440 button .src.start -width 6 -text Start -command \
2441 {interactive_cmd {break main}
2442 interactive_cmd {enable delete $bpnum}
2443 interactive_cmd run }
2444 button .src.stop -width 6 -text Stop -fg red -activeforeground red \
2445 -state disabled -command gdb_stop
2446 button .src.step -width 6 -text Step \
2447 -command {interactive_cmd step}
2448 button .src.next -width 6 -text Next \
2449 -command {interactive_cmd next}
2450 button .src.continue -width 6 -text Cont \
2451 -command {interactive_cmd continue}
2452 button .src.finish -width 6 -text Finish \
2453 -command {interactive_cmd finish}
2454 button .src.up -width 6 -text Up \
2455 -command {interactive_cmd up}
2456 button .src.down -width 6 -text Down \
2457 -command {interactive_cmd down}
2458 button .src.bottom -width 6 -text Bottom \
2459 -command {interactive_cmd {frame 0}}
2461 pack .src.start .src.step .src.continue .src.up .src.bottom \
2462 -side left -padx 3 -pady 5 -in .src.row1
2463 pack .src.stop .src.next .src.finish .src.down -side left -padx 3 \
2464 -pady 5 -in .src.row2
2466 pack .src.row2 .src.row1 -side bottom -anchor w -before .src.info
2468 $wins($cfile) insert 0.0 " This page intentionally left blank."
2469 $wins($cfile) configure -width 88 -state disabled \
2470 -yscrollcommand ".src.scroll set"
2473 proc update_autocmd {} {
2474 global .autocmd.label
2475 global accumulate_output
2477 catch {gdb_cmd "${.autocmd.label}"} result
2478 if {!$accumulate_output} { .autocmd.text delete 0.0 end }
2479 .autocmd.text insert end $result
2480 .autocmd.text see end
2483 proc create_autocmd_window {} {
2484 global .autocmd.label
2486 if {[winfo exists .autocmd]} {raise .autocmd ; return}
2488 build_framework .autocmd "Auto Command" ""
2490 # First, delete all the old view menu entries
2492 .autocmd.menubar.view.menu delete 0 last
2494 # Accumulate output option
2496 .autocmd.menubar.view.menu add checkbutton \
2497 -variable accumulate_output \
2498 -label "Accumulate output" -onvalue 1 -offvalue 0
2500 # Now, create entry widget with label
2502 frame .autocmd.entryframe
2504 entry .autocmd.entry -borderwidth 2 -relief sunken
2505 bind .autocmd.entry <Key-Return> {
2506 set .autocmd.label [.autocmd.entry get]
2507 .autocmd.entry delete 0 end
2510 label .autocmd.entrylab -text "Command: "
2512 pack .autocmd.entrylab -in .autocmd.entryframe -side left
2513 pack .autocmd.entry -in .autocmd.entryframe -side left -fill x -expand yes
2515 pack .autocmd.entryframe -side bottom -fill x -before .autocmd.info
2518 # Return the longest common prefix in SLIST. Can be empty string.
2520 proc find_lcp slist {
2521 # Handle trivial cases where list is empty or length 1
2522 if {[llength $slist] <= 1} {return [lindex $slist 0]}
2524 set prefix [lindex $slist 0]
2525 set prefixlast [expr [string length $prefix] - 1]
2527 foreach str [lrange $slist 1 end] {
2528 set test_str [string range $str 0 $prefixlast]
2529 while {[string compare $test_str $prefix] != 0} {
2531 set prefix [string range $prefix 0 $prefixlast]
2532 set test_str [string range $str 0 $prefixlast]
2534 if {$prefixlast < 0} break
2539 # Look through COMPLETIONS to generate the suffix needed to do command
2540 # completion on CMD.
2542 proc find_completion {cmd completions} {
2543 # Get longest common prefix
2544 set lcp [find_lcp $completions]
2545 set cmd_len [string length $cmd]
2546 # Return suffix beyond end of cmd
2547 return [string range $lcp $cmd_len end]
2550 proc create_command_window {} {
2556 if {[winfo exists .cmd]} {raise .cmd ; return}
2558 build_framework .cmd Command "* Command Buffer *"
2560 # Put focus on command area.
2565 gdb_cmd {set language c}
2566 gdb_cmd {set height 0}
2567 gdb_cmd {set width 0}
2569 bind .cmd.text <Control-c> gdb_stop
2571 # Tk uses the Motifism that Delete means delete forward. I
2572 # hate this, and I'm not gonna take it any more.
2573 set bsBinding [bind Text <BackSpace>]
2574 bind .cmd.text <Delete> "delete_char %W ; $bsBinding; break"
2575 bind .cmd.text <BackSpace> {
2576 if {([%W cget -state] == "disabled")} { break }
2579 bind .cmd.text <Control-u> {
2580 if {([%W cget -state] == "disabled")} { break }
2584 bind .cmd.text <Any-Key> {
2585 if {([%W cget -state] == "disabled")} { break }
2589 append command_line %A
2592 bind .cmd.text <Key-Return> {
2593 if {([%W cget -state] == "disabled")} { break }
2596 interactive_cmd $command_line
2599 # catch "gdb_cmd [list $command_line]" result
2600 # %W insert end $result
2603 %W insert end "$gdb_prompt"
2607 bind .cmd.text <Button-2> {
2608 %W insert end [selection get]
2610 append command_line [selection get]
2613 bind .cmd.text <B2-Motion> break
2614 bind .cmd.text <ButtonRelease-2> break
2615 bind .cmd.text <Key-Tab> {
2616 if {([%W cget -state] == "disabled")} { break }
2617 set choices [gdb_cmd "complete $command_line"]
2618 set choices [string trimright $choices \n]
2619 set choices [split $choices \n]
2621 # Just do completion if this is the first tab
2624 set completion [find_completion $command_line $choices]
2625 append command_line $completion
2626 # Here is where the completion is actually done. If there
2627 # is one match, complete the command and print a space.
2628 # If two or more matches, complete the command and beep.
2629 # If no match, just beep.
2630 switch [llength $choices] {
2633 %W insert end "$completion "
2634 append command_line " "
2639 %W insert end $completion
2645 # User hit another consecutive tab. List the choices.
2646 # Note that at this point, choices may contain commands
2647 # with spaces. We have to lop off everything before (and
2648 # including) the last space so that the completion list
2649 # only shows the possibilities for the last token.
2650 set choices [lsort $choices]
2651 if {[regexp ".* " $command_line prefix]} {
2652 regsub -all $prefix $choices {} choices
2654 %W insert end "\n[join $choices { }]\n$gdb_prompt$command_line"
2661 # Trim one character off the command line. The argument is ignored.
2663 proc delete_char {win} {
2665 set tmp [expr [string length $command_line] - 2]
2666 set command_line [string range $command_line 0 $tmp]
2669 # FIXME: This should actually check that the first characters of the current
2670 # line match the gdb prompt, since the user can move the insertion point
2671 # anywhere. It should also check that the insertion point is in the last
2672 # line of the text widget.
2674 proc delete_line {win} {
2678 set tmp [string length $gdb_prompt]
2679 $win delete "insert linestart + $tmp chars" "insert lineend"
2685 # Create a copyright window and center it on the screen. Arrange for
2686 # it to disappear when the user clicks it, or after a suitable period
2689 proc create_copyright_window {} {
2691 message .c.m -text [gdb_cmd {show version}] -aspect 500 -relief raised
2694 bind .c.m <1> {destroy .c}
2695 bind .c <Leave> {destroy .c}
2696 # "suitable period" currently means "30 seconds".
2698 if {[winfo exists .c]} then {
2707 # Begin support primarily for debugging the tcl/tk portion of gdbtk. You can
2708 # start gdbtk, and then issue the command "tk tclsh" and a window will pop up
2709 # giving you direct access to the tcl interpreter. With this, it is very easy
2710 # to examine the values of global variables, directly invoke routines that are
2711 # part of the gdbtk interface, replace existing proc's with new ones, etc.
2712 # This code was inspired from example 11-3 in Brent Welch's "Practical
2713 # Programming in Tcl and Tk"
2715 set tcl_prompt "tcl> "
2717 # Get the current command that user has typed, from cmdstart to end of text
2718 # widget. Evaluate it, insert result back into text widget, issue a new
2719 # prompt, update text widget and update command start mark.
2721 proc evaluate_tcl_command { twidget } {
2724 set command [$twidget get cmdstart end]
2725 if [info complete $command] {
2726 set err [catch {uplevel #0 $command} result]
2727 $twidget insert insert \n$result\n
2728 $twidget insert insert $tcl_prompt
2730 $twidget mark set cmdstart insert
2735 # Create the evaluation window and set up the keybindings to evaluate the
2736 # last single line entered by the user. FIXME: allow multiple lines?
2741 # If another evaluation window already exists, just bring it to the front.
2742 if {[winfo exists .eval]} {raise .eval ; return}
2744 # Create top level frame with scrollbar and text widget.
2746 wm title .eval "Tcl Evaluation"
2747 wm iconname .eval "Tcl"
2748 text .eval.text -width 80 -height 20 -setgrid true -cursor hand2 \
2749 -yscrollcommand {.eval.scroll set}
2750 scrollbar .eval.scroll -command {.eval.text yview}
2751 pack .eval.scroll -side right -fill y
2752 pack .eval.text -side left -fill both -expand true
2754 # Insert the tcl_prompt and initialize the cmdstart mark
2755 .eval.text insert insert $tcl_prompt
2756 .eval.text mark set cmdstart insert
2757 .eval.text mark gravity cmdstart left
2759 # Make this window the current one for input.
2762 # Keybindings that limit input and evaluate things
2763 bind .eval.text <Return> { evaluate_tcl_command .eval.text ; break }
2764 bind .eval.text <BackSpace> {
2765 if [%W compare insert > cmdstart] {
2766 %W delete {insert - 1 char} insert
2772 bind .eval.text <Any-Key> {
2773 if [%W compare insert < cmdstart] {
2774 %W mark set insert end
2777 bind .eval.text <Control-u> {
2778 %W delete cmdstart "insert lineend"
2781 bindtags .eval.text {.eval.text Text all}
2784 # This proc is executed just prior to falling into the Tk main event loop.
2785 proc gdbtk_tcl_preloop {} {
2787 .cmd.text insert end "$gdb_prompt"
2792 # FIXME need to handle mono here. In Tk4 that is more complicated.
2793 set highlight "-background red2 -borderwidth 2 -relief sunken"
2795 # Setup the initial windows
2796 create_source_window
2797 create_command_window
2799 # Make this last so user actually sees it.
2800 create_copyright_window
2804 if {[file exists ~/.gdbtkinit]} {