source: vis_dev/vis-2.3/xsimv @ 44

Last change on this file since 44 was 14, checked in by cecile, 13 years ago

vis2.3
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1#!/bin/sh
2# The next line restarts using expectk \
3exec expectk "$0" "$@"
4
5#***********
6#  The comments with the code here are meant to address the details of the
7#  code itself, not the functionality of XsimView.  Refer to the XsimView's
8#  man page for a discussion of functionality.
9#
10#  The overall algorithm of XsimView is described at the bottom of the code
11#  below where the "main" of XsimView is given.  The anciliary procedures
12#  are desribed in turn below.
13#-----------
14
15
16#**********
17# source     fileSelect.src
18#
19# why:       fileSelect provides the ability to save files.  Here, it
20#            is used to allow the user to select a filename so that in.simv,
21#            the temporary file used for output, can be saved to whatever
22#            name they desire.
23
24# All from fileSelect.src
25# Begins the file loading process.  Can take one argument, fileName
26# which would specify the file being loaded, in which case,
27# fileSelect process is skipped and the file is directly loaded.
28proc loadFile {{file {}} {type {}}} {
29        global globals
30        set globals(optList) {}
31        # if file is empty, ask user for new file, if still empty, exit
32        # since they must have hit cancel or something else went wrong
33        if {$file == {}} {set file [fileSelect Load]}
34        if {$file == {}} {return}
35
36        # if type is nil, then
37        # find the final letters after last . to get file type
38        if {$type == {}} {
39                set type [string range [file extension $file] 1 end]
40        }
41        if {$globals(options)} {
42                switch -- $type {
43                        mv              {set globals(optList) \
44                                                [optionRead $globals(read_blif_mvOptions)]}
45                        blif    {set globals(optList) \
46                                                [optionRead $globals(read_blifOptions)]}
47                        vl              {set globals(optList) \
48                                                [optionRead $globals(read_verilogOptions)]}
49                        fair    {set globals(optList) \
50                                                [optionRead $globals(read_fairnessOptions)]}
51                        ctl     {set globals(optList) \
52                                                [optionRead $globals(model_checkOptions)]}
53                }
54        }
55        switch -- $type {
56                mv              {Send "rlmv $globals(optList) $file"}
57                blif    {Send "read_blif $file"}
58                vl              {Send "read_verilog $file"}
59                fair    {Send "read_fairness $file"}
60                ctl     {Send "model_check $file"}
61                default {loadFile "$file [giveFileType $file]"}
62        }
63}
64
65proc writeFile {{file {}} {type {}}} {
66        global globals
67        set globals(optList) {}
68        # if file is empty, ask user for filename to write to.
69        # If still empty, then they must have hit cancel or something
70        if {$file == {}} {set file [fileSelect Write]}
71        if {$file == {}} {return}
72
73        # find the final letters after last . to get file type
74        set type [string range [file extension $file] 1 end]
75        if {$globals(options)} {
76                switch -- $type {
77                        mv              {set globals(optList) \
78                                                [optionRead $globals(write_blif_mvOptions)]}
79                        blif    {set globals(optList) \
80                                                [optionRead $globals(austin_write_blifOptions)]}
81                }
82        }
83        switch -- $type {
84                        mv              {Send "write_blif_mv $globals(optList) $file"}
85                        blif    {Send "austin_write_blif $globals(optList) $file"}
86                        default {writeFile "$file.[giveFileType $file]"}
87        }
88}
89
90proc giveFileType {file} {
91        global temp globals
92        toplevel .q
93        set gFTDone 0
94
95        wm title .q "What type of file?"
96        set short [string range $file [expr [string last / $file] + 1] end]
97        message .q.msg -text "What type is $short ?"
98        pack .q.msg -side top
99        bind .q <Return> {set gFTDone 1}
100
101        # Set up radio buttons for type of file to load
102        frame .q.radio
103        foreach type {{blif blif} {blif_mv mv}  {verilog vl} {fairness fair}} {
104                radiobutton .q.radio.[lindex $type 1] -variable temp \
105                        -text [lindex $type 0] -value [lindex $type 1]
106                pack .q.radio.[lindex $type 1] -side top
107        }
108        pack .q.radio -side top
109
110        # Create the OK button
111        # The OK button has a rim to indicate it is the default
112        frame .q.button -bd 10
113        frame .q.button.ok -bd 2 -relief sunken
114        button .q.button.ok.b -text OK -command {set gFTDone 1}
115        pack .q.button.ok.b
116        pack .q.button.ok -side top
117        pack .q.button -side top
118
119        tkwait variable gFTDone
120        destroy .q
121        return $temp
122}
123
124proc fileSelect {why {default {}}} {
125        global fileSelect globals
126        set globals(options) 0
127        set fileSelect(why) $why
128        catch {destroy .fileSelect}
129        set t [toplevel .fileSelect -bd 4]
130
131        wm title $t $why
132        message $t.msg -aspect 1000 -text $why
133        pack $t.msg -side top -fill x
134
135        # Create a read_only entry for the current pwd
136        set fileSelect(dirEnt) [entry $t.dir -width 15 \
137                -relief flat -state disabled]
138        pack $t.dir -side top -fill x
139
140        # Create an entry for the pathname
141        # The value is kept in the fileSelect(path)
142        frame $t.top
143        label $t.top.l -text "File:" -padx 0
144        set e [entry $t.top.path -relief sunken -textvariable fileSelect(path)]
145        pack $t.top -side top -fill x
146        pack $t.top.l -side left
147        pack $t.top.path -side right -fill x -expand true
148        set fileSelect(pathEnt) $e
149
150        # Use $e to set up bindings for entry widget
151        bind $e <Return> fileSelectOK
152        bind $e <Control-c> fileSelectCancel
153        bind $e <space> fileSelectComplete
154        focus $e
155
156        # Create a listbox to hold the directory contents
157        listbox $t.list -yscrollcommand [list $t.scroll set]
158        scrollbar $t.scroll -command [list $t.list yview]
159        # A single click copies the name into the entry
160        # A double-click selects the name
161        bind $t.list <Button-1> {fileSelectClick %y}
162        bind $t.list <Double-Button-1> {
163                fileSelectClick %y;
164                fileSelectOK
165        }
166
167        # Create the OK and cancel buttons and options button
168        # The OK button has a rim to indicate it is the default
169        frame $t.buttons -bd 10
170        frame $t.buttons.ok -bd 2 -relief sunken
171        button $t.buttons.ok.b -text OK -command fileSelectOK
172        button $t.buttons.cancel -text Cancel -command fileSelectCancel
173        checkbutton $t.buttons.options -text "Choose Options" \
174                -variable globals(options)
175
176        # Pack the list, scrollbar and button box
177        # in a horizontal stack below the upper widgets
178        pack $t.list -side left -fill both -expand true
179        pack $t.scroll -side left -fill both
180        pack $t.buttons -side left -fill both
181        pack $t.buttons.ok $t.buttons.cancel $t.buttons.options -side top \
182                -padx 10 -pady 5
183        pack $t.buttons.ok.b -padx 4 -pady 4
184
185        # Initialize variables in the directory
186        set fileSelect(path) {}
187        set dir [pwd]
188
189        set fileSelect(dir) {}
190        set fileSelect(done) 0
191
192        # Wait for the listbox to be visible so we
193        # can provide feedback during the listing
194        tkwait visibility .fileSelect.list
195        fileSelectList $dir
196
197        tkwait variable fileSelect(done)
198        destroy .fileSelect
199        return $fileSelect(path)
200}
201
202# Creates the list of dirs and files to put into the listbox, if not given
203proc fileSelectList { dir {files {}} } {
204        global fileSelect
205
206        # Update the directory
207        set e $fileSelect(dirEnt)
208        $e config -state normal
209        $e delete 0 end
210        $e insert 0 $dir
211        $e config -state disabled
212
213        # Give the user some feedback
214        set fileSelect(dir) $dir
215        .fileSelect.list delete 0 end
216        .fileSelect.list insert 0 Listing...
217
218        .fileSelect.list delete 0
219        # If files is undefined, then match all files in current dir
220        if {[string length $files] == 0} {
221                # List the directory and add an entry for the parent dir.
222                set files [glob -nocomplain $fileSelect(dir)/*]
223                .fileSelect.list insert end ../
224        }
225
226        # Take files, and sort all dirs to front
227        set dirs {}
228        set others {}
229        foreach f [lsort $files] {
230                if [file isdirectory $f] {
231                        lappend dirs [file tail $f]/
232                } else {
233                        lappend others [file tail $f]
234                }
235        }
236
237        # Insert all dirs and files into the listbox
238        foreach f [concat $dirs $others] {
239                .fileSelect.list insert end $f
240        }
241}
242
243
244# Checks files specified, and whether or not to return a value, or
245# make a new listbox.  Basically, first check if command is to go to
246# parent directory.  If not, check if fileSelect(path) is a directory.
247# If so, create new list.  If not, check if is a file.  If so, return
248# the file, else, try some magic to go somewhere else. (also known
249# as file name completion.
250proc fileSelectOK {} {
251        global fileSelect
252
253        # Handle the special case of the parent directory
254        if {[regexp {\.\./} $fileSelect(path)]} {
255                set fileSelect(path) {}
256                fileSelectList [file dirname $fileSelect(dir)]
257                return
258        }
259
260        # create a full path from fileSelect(dir) and fileSelect(path)
261        set path $fileSelect(dir)/$fileSelect(path)
262        if [file isdirectory $path] {
263                set fileSelect(path) {}
264                fileSelectList $path
265                return
266        }
267        if [file exists $path] {
268                set fileSelect(path) $path
269                set fileSelect(done) 1
270                return
271        }
272
273        # Neither a file nor a directory
274        # See if a glob will find something
275        # catch returns true if something goes wrong
276        if [catch {glob $path} files] {
277                # Okay, maybe they typed in a new absolute pathname and we
278                # should try fileSelect(path) as the ENTIRE path name
279                if [catch {glob $fileSelect(path)} path] {
280                        # Okay, nothing there, if we're writing, then accept as
281                        # as new filename, else try filename completion.
282                        if {[string match $fileSelect(why) Write]} {
283                                set fileSelect(done) 1
284                                return
285                        } else {
286                                # Try file name completion
287                                fileSelectComplete
288                                return
289                        }
290                } else {
291                # OK - there are files there, so let's reassign the dir and path
292                set fileSelect(dir) [file dirname $fileSelect(path)]
293                set fileSelect(path) [file tail $fileSelect(path)]
294                fileSelectOK
295                return
296                }
297        } else {
298                # Current directory has stuff in it, catch returned no error
299                # Ok - current directory is ok, select file or list 'em.
300                if {[llength [split $files]] == 1} {
301                        set fileSelect(path) $files
302                        fileSelectOK
303                } else {
304                        set fileSelect(dir) [file dirname [lindex $files 0]]
305                        fileSelectList $fileSelect(dir) $files
306                }
307        }
308}
309
310# Quits out of fileSelection and moves on.
311proc fileSelectCancel {} {
312        global fileSelect
313        set fileSelect(done) 1
314        set fileSelect(path) {}
315}
316
317# Find the file the user clicked on.
318proc fileSelectClick { y } {
319        # Take the item the user clicked on
320        global fileSelect
321        set l .fileSelect.list
322        set fileSelect(path) [$l get [$l nearest $y]]
323        focus $fileSelect(pathEnt)
324}
325
326# Big nasty routine to do file name completion
327proc fileSelectComplete {} {
328        global fileSelect
329
330        # Do name completion, Nuke something.
331        set fileSelect(path) [string trim $fileSelect(path) \t\ ]
332
333        # Figure out what directory we are looking at,
334        # dir is directory, tail is partial name
335        if {[string match /* $fileSelect(path)]} {
336                set dir [file dirname $fileSelect(path)]
337                set tail [file tail $fileSelect(path)]
338        } elseif [string match ~* $fileSelect(path)] {
339                if [catch {file dirname $fileSelect(path)} dir] {
340                        return;         # Bad user
341                }
342                set tail [file tail $fileSelect(path)]
343        } else {
344                set path $fileSelect(dir)/$fileSelect(path)
345                set dir [file dirname $path]
346                set tail [file tail $path]
347        }
348
349        # See what files are there
350        set files [glob -nocomplain $dir/$tail*]
351        if {[llength [split $files]] == 1} {
352                # Matched a single file
353                set fileSelect(dir) $dir
354                set fileSelect(path) [file tail $files]
355        } else {
356                if {[llength [split $files]] > 1} {
357                        # Find the longest common prefix
358                        set l [expr [string length $tail]-1]
359                        set miss 0
360                        # remember that files has absolute paths
361                        set file1 [file tail [lindex $files 0]]
362                        while {$miss == 0} {
363                                incr l
364                                if {$l == [string length $file1]} {
365                                        # file1 is a prefix of all others
366                                        break
367                                }
368                                set new [string range $file1 0 $l]
369                                foreach f $files {
370                                        if ![string match $new* [file tail $f]] {
371                                                set miss 1
372                                                incr l -1
373                                                break
374                                        }
375                                }
376                        }
377                        set fileSelect(path) [string range $file1 0 $l]
378                }
379                fileSelectList $dir $files
380        }
381}
382
383
384#**********
385# procedure match
386#
387# input:     string       is a string of characters
388#            file         is a string of characters that holds a file name.
389#
390# function:  open the file given by input "file" and iteratively look for
391#            a text line in "file" that a) does not start with a "#", and
392#            b) whose first word (text string) matches input "string".  Upon
393#            finding such a line that meets this criteria, procedure match
394#            returns a 1.  If EOF is reached before a line meeting the said
395#            criteria is found, then procedure match returns a 0.
396#           
397proc match {string file} {
398
399    set f [open $file r]
400
401    while {1} {
402
403        set cnt [gets $f inline]
404        if {$cnt ==  -1} {
405            close $f
406            return 0
407        }
408        set y [split $inline {}]
409        set y1 [lindex $y 0]
410        if {$y1 != "#"} {
411            if {$string ==  $inline} {
412                close $f
413                return 1
414            }
415        }
416    }
417}
418 
419
420#********************
421#  procedure parse
422#
423#  input     sf       string that holds name of sim output file.
424# 
425#  output    none
426#
427#  function  described with the code below.
428proc parse {sf} {
429 
430
431# the following are globals.
432# observe                 is to hold all of the variables eligible for display.
433# ninps, nlats, nouts     are to hold the number of inputs, latches, outputs.
434# cy                      is to hold the variable values for each cycle.
435# ncy                     is to hold the number of cycles
436# what                    is to hold the identity of each variable (input, latch, output).
437 
438        global observe ninps nlats nouts
439        global cy ncy
440        global what
441
442# the following globals are the display preference variables.
443# see the man page for a discussion of these variables.
444        global bgtop bg1 bg2
445        global fgtop fg1 fg2
446        global fonttop font1 font2
447        global hlinescolor vlinescolor
448        global cybarbg cybarfg
449 
450# open the sim output file for parsing.
451        set f [open $sf r]
452 
453# find the .inputs, .latches, .outputs, and .initial lines in the sim output file
454# and make lists out of them.
455        set finps 0
456        set flats 0
457        set fouts 0
458        set finit 0
459        while {$finps == 0 || $flats == 0 || $fouts == 0 || $finit == 0}  {
460            set cnt [gets $f inline]
461            if {$cnt == -1} {break}
462            split $inline
463            set first [lindex $inline 0]
464            switch $first {
465                ".inputs" {
466                    set inps [lreplace $inline 0 0]
467                    set ninps [llength $inps]
468                    set finps 1
469                    for {set j 0} {$j < $ninps} {incr j} {
470                        lappend what (I)
471                    }
472                }
473                ".latches" {
474                    set lats [lreplace $inline 0 0]
475                    set nlats [llength $lats]
476                    set flats 1
477                    for {set j 0} {$j < $nlats} {incr j} {
478                        lappend what (L)
479                    }
480                }
481                ".outputs" {
482                    set outs [lreplace $inline 0 0]
483                    set nouts [llength $outs]
484                    set fouts 1
485                    for {set j 0} {$j < $nouts} {incr j} {
486                        lappend what (O)
487                    }
488                }
489                ".initial" {
490                        set finit 1
491                }
492            }
493        }
494 
495# if any of the .inputs, .latches, .outputs, or .initial lines are not
496# found, exit with an Error.
497        if {$finps ==  0} {
498                puts "ERROR: No .inputs line was found!"
499                return -1
500        }
501        if {$flats ==  0} {
502                puts "ERROR: No .latches line was found!"
503                return -1
504        }
505        if {$fouts ==  0} { 
506                puts "ERROR: No .outputs line was found!"
507                return -1
508        }
509        if {$finit ==  0} {
510                puts "ERROR: No .initial line was found!"
511                return -1
512        }
513 
514# list observe holds all the variables eligible to be viewed.
515# here the list of variables is dumped to the strike file (strk.simv)
516# so user can later access and select variables to strike.
517        set observe [concat $inps $lats $outs]
518        set ff [open strk.simv w]
519        foreach i $observe {
520            puts $ff $i
521        }
522        close $ff
523
524# Set defaults for the display preferences.
525#
526        set bgtop Grey
527        set bg1 White
528        set bg2 Black
529        set fgtop Black
530        set fg1 Black
531        set fg2 White
532        set fonttop -adobe-courier-bold-r-normal--12-120-75-75-m-70-iso8859-1
533        set font1 -adobe-courier-bold-r-normal--12-120-75-75-m-70-iso8859-1
534        set font2 -adobe-courier-bold-r-normal--12-120-75-75-m-70-iso8859-1
535        set hlinescolor White
536        set vlinescolor Yellow
537        set cybarbg Blue
538        set cybarfg White
539
540# And put them in the preferences file.
541#
542        set ff [open prefs.simv w]
543
544        puts $ff "bgtop $bgtop"
545        puts $ff "bg1 $bg1"
546        puts $ff "bg2 $bg2"
547        puts $ff "fgtop $fgtop"
548        puts $ff "fg1 $fg1"
549        puts $ff "fg2 $fg2"
550        puts $ff "fonttop $fonttop"
551        puts $ff "font1 $font1"
552        puts $ff "font2 $font2"
553        puts $ff "hlinescolor $hlinescolor"
554        puts $ff "vlinescolor $vlinescolor"
555        puts $ff "cybarbg $cybarbg"
556        puts $ff "cybarfg $cybarfg"
557
558        close $ff
559 
560# the following lines of code look for the beginning of the portion of
561# the sim output file that contains the cycle information and upon
562# finding it stores it in "array" for further processing.
563        set i 0
564        while {1} {
565                set cnt [gets $f inline]
566                if {$cnt ==  -1} {break}
567                set y [split $inline {}]
568                set y1 [lindex $y 0]
569                if {$y1 ==  {} || $y1 ==  "#" || $y1 ==  "."} {continue}
570                set array($i) $inline
571                incr i 1
572        }
573        set ncy $i
574        close $f
575
576# if no cycle lines were found, exit with an Error.
577        if {$cnt ==  -1 && $i ==  0} {
578                puts "ERROR: No simulation results found!"
579                return -1
580        }
581
582# the following lines of code parse the contents of "array" into
583# "cy".  each list in "array" is itself a list of strings, this step turns
584# the cycle information so that each element in "cy" is a simple list of
585# strings.
586        for {set j 0} {$j < $i} {incr j} {
587            set z [split $array($j) \;]
588            set p [lindex $z 0]
589            set q [lindex $z 1]
590            set r [lindex $z 2]
591            set cy($j) [concat $p $q $r]
592        }
593 
594}
595 
596#*************
597# procedure strike
598#
599# inputs      sf      string that holds file name
600#
601# outputs     none
602#
603# function    Reads the contents of the file pointed to by input "sf" and
604#             based on its contents generates an array of flags that indicate
605#             whether a given variable should be displayed.  The array of
606#             flags is in one-to-one correspondence with the array of variables
607#             that are eligible to be displayed.
608proc strike {} {
609 
610    global observe
611    global show nshow
612 
613    set nshow 0
614 
615    set nobvs [llength $observe]
616    set j 0
617    for {set i 0} {$i < $nobvs} {incr i} {
618        set m [match [lindex $observe $i] strk.simv]
619        if {$m ==  0} {
620            lappend show 0
621        } else {
622            lappend show 1
623            incr nshow
624        }
625    }
626}
627 
628#*************
629# procedure readprefs
630#
631# inputs      pf       string that holds file name
632#
633# outputs     none
634#
635# function    Reads the contents of the file pointed to by input "pf" and
636#             sets the values of the preferences accordingly.  See the "man"
637#             page for description of the preferences currently supported.
638#
639proc readprefs {} {
640 
641    global bgtop bg1 bg2
642    global fgtop fg1 fg2
643    global fonttop font1 font2
644    global hlinescolor vlinescolor
645    global cybarbg cybarfg
646    global run
647
648    set bgtop 0
649    set bg1 0
650    set bg2 0
651    set fgtop 0
652    set fg1 0
653    set fg2 0
654    set fonttop 0
655    set font1 0
656    set font2 0
657    set hlinescolor 0
658    set vlinescolor 0
659    set cybarbg 0
660    set cybarfg 0
661 
662    set f [open prefs.simv r]
663 
664    while {1} {
665
666        set cnt [gets $f inline]
667        if {$cnt ==  -1} {break}
668        set first [lindex $inline 0]
669 
670        switch $first {
671            bgtop { set bgtop [lindex $inline 1] }
672            bg1 { set bg1 [lindex $inline 1] }
673            bg2 { set bg2 [lindex $inline 1] }
674            fgtop { set fgtop [lindex $inline 1] }
675            fg1 { set fg1 [lindex $inline 1] }
676            fg2 { set fg2 [lindex $inline 1] }
677            fonttop { set fonttop [lindex $inline 1] }
678            font1 { set font1 [lindex $inline 1] }
679            font2 { set font2 [lindex $inline 1] }
680            hlinescolor { set hlinescolor [lindex $inline 1] }
681            vlinescolor { set vlinescolor [lindex $inline 1] }
682            cybarbg { set cybarbg [lindex $inline 1] }
683            cybarfg { set cybarfg [lindex $inline 1] }
684        }
685    }
686
687    close $f
688
689}
690
691#****************
692# procedure findlongestvar
693#
694# input        none
695#
696# output       none
697#
698# function     This procedure operates on the parsed lists of variables names and
699#              values for each cycle to find a) the longest variable name, and b)
700#              the longest value of any given variable.  These values are then used
701#              to set the corresponding field widths in the display.
702#
703proc findlongestvar {} {
704   
705    global observe
706    global show
707    global cywidth varwidth
708    global cy ncy
709
710    set nobvs [llength $observe]
711
712    set maxlen 0
713    for {set i 0} {$i < $nobvs} {incr i} {
714        set active [lindex $show $i]
715        if {$active == 1} {
716            set str [lindex $observe $i]
717            set len [string length $str]
718            if {$len > $maxlen} {set maxlen $len}
719        }
720    }
721    set varwidth [expr ($maxlen+2)*0.25]
722
723    set maxlen 0
724    for {set i 0} {$i < $ncy} {incr i} {
725        for {set j 0} {$j < $nobvs} {incr j} {
726            set active [lindex $show $j]
727            if {$active == 1} {
728                set str [lindex $cy($i) $j]
729                set len [string length $str]
730                if {$len > $maxlen} {set maxlen $len}
731            }
732        }
733    }
734# Takes care of finding the maximum width for cycle width
735    set cywidth_cycleInfo [expr (log($ncy)+2)*0.25]
736    set cywidth_dataInfo [expr ($maxlen+2)*0.25]
737
738    if {$cywidth_cycleInfo > $cywidth_dataInfo} {
739        set cywidth $cywidth_cycleInfo
740    } else {
741        set cywidth $cywidth_dataInfo
742    }
743
744}
745
746#***************
747# procedure drawcanvas
748#
749# input       none
750#
751# output      none
752#
753# function    This procedure carries out the actual displaying.  It is described alongside
754#             with the code below.
755#
756proc drawcanvas {} {
757
758#---------
759# these globals are the display preferences, they are read
760# from file dprefs by procedure readprefs:
761#
762# varwidth      holds the width of the left-most column that
763#               lists the variables under observation
764# cywidth       holds the width of the cycle columns that
765#               lists the value of the variables for each
766#               cycle.
767#
768
769    global varwidth
770    global cywidth
771 
772#---------
773# the following globals hold the items to be
774# displayed:
775#
776# cy            is the array of lists, each element is a list
777#               of the value of the items for that cycle,
778# ncy           is the number of elements in cy,
779# show          is an array that marks those elements in cy and
780#               observe that are to be displayed, (i.e. after
781#               some of the elements in observe are striken based
782#               on the contents of the strike file.
783# nshow         is the number of "1" elements in show,
784# observe       is a list of _all_ the items that _can_ be displayed.
785# what          is an array that identifies a variable as either an input, latch, or output.
786#
787    global cy ncy
788    global show nshow
789    global observe
790    global what
791 
792
793#-------------
794# the following globals are the prefrences variables.
795#
796    global bgtop bg1 bg2
797    global fgtop fg1 fg2
798    global fonttop font1 font2
799    global hlinescolor vlinescolor
800    global cybarbg cybarfg
801
802#------------
803# here the top level widget that holds the results display is
804# created and the two canvases that will be used to construct
805# the display are defined.
806
807# this width and height is a good start for a workstation monitor,
808# of course, the window can be resized in the usual way.
809#
810    set wwidth 800
811    set wheight 500
812
813    global infile
814    global t
815    set t .top
816    toplevel $t 
817    wm geometry $t ${wwidth}x${wheight}
818    wm title $t "XsimView 0.1"
819    set c1 $t.canvas1
820    set c2 $t.canvas2
821
822# the top of the display holds generic information.
823#
824    text $t.text -font $fonttop -bg $bgtop -fg $fgtop
825    text $t.text1 -font $fonttop -bg $bgtop -fg $fgtop
826    $t.text insert 1.0 "XSimView Rev. 0.1 (April 1996)\n"
827    $t.text insert 2.0 "by J.S. Duran\n"
828    $t.text insert 3.0 "ECE Department\n"
829    $t.text insert 4.0 "UT Austin\n"
830    $t.text1 insert 1.0 "Displaying file: $infile"
831    place $t.text -x 0 -y 0 -relwidth 1.0
832    place $t.text1 -relx 0.5 -y 0
833 
834#---------------
835# build the higher level canvas (holds the variable names at the left-most
836# of the display and also holds the lower level canvas).
837#
838    set c1w [expr $wwidth]
839    set c1h [expr $nshow+1]
840    set c1dims [list 0 0 ${c1w} ${c1h}c]
841    canvas $c1 -relief sunken -borderwidth 2 -scrollregion $c1dims -yscrollcommand "$t.vscroll set" -bg ${bg1}
842    scrollbar $t.vscroll -command "$c1 yview"
843    place $t.vscroll -relx 0.98 -rely 0.15 -relheight 0.85 -width 0.5c
844    place $c1 -x 0 -rely 0.15 -relheight 0.85 -relwidth 1.0
845 
846    set f $c1.frame
847    frame $f -relief sunken -borderwidth 2 
848    $c1 create window ${varwidth}c 0 -anchor nw -height ${c1h}c -width ${wwidth} -window $f
849
850#------------
851# build the lower level canvas (holds the per cycle variable value information).
852#
853    set c2xlen [expr $ncy*$cywidth*1.25]
854    set c2scrl [list 0 0 ${c2xlen}c ${c1h}c]
855    set hsw [expr $wwidth-$varwidth*40]
856    canvas $f.c2 -relief sunken -borderwidth 2 -scrollregion $c2scrl -xscrollcommand "$t.hscroll set" -bg ${bg2}
857    place $f.c2 -x 0 -y 0 -relheight 1.0 -relwidth 1.0
858    scrollbar $t.hscroll -orient horiz -command "$f.c2 xview"
859    place $t.hscroll -x 0 -rely 0.125 -height 0.5c -relwidth 1.0
860
861#------------
862# place the variable names on the higher level canvas.  also draw the horizontal grid
863# lines in the lower level canvas.
864#
865    set q [llength $show]
866    set v 1
867    for {set i 0} {$i < $q} {incr i} {
868        set sh [lindex $show $i]
869        if {$sh ==  1} {
870            set item1 [lindex $observe $i]
871            set item2 [lindex $what $i]
872            set item $item1$item2   
873            $c1 create text ${varwidth}c ${v}c -text $item -anchor ne -fill $fg1 -font $font1
874            $f.c2 create line 0 [expr $v+0.4]c ${c2xlen}c [expr $v+0.4]c -fill $hlinescolor
875            incr v
876        }
877    }
878
879#-----------
880# place the per cycle data on the lower level canvas.  also draw the vertical grid lines on the
881# lower level canvas and generate the cycle number bar at the top of the lower level canvas.
882#
883    set over1 [expr $cywidth*0.5]
884    set over2 $cywidth
885    set xtx $over1
886    set xln $over2
887    set xrc1 0
888    set xrc2 $over2
889    for {set i 0} {$i < $ncy} {incr i} {
890        $f.c2 create rectangle ${xrc1}c 0 ${xrc2}c 0.5c -fill $cybarbg -outline $vlinescolor
891        set cylabel "CY$i"
892        $f.c2 create text ${xtx}c 0.25c -width ${cywidth}c -text $cylabel -fill $cybarfg -justify center -font $font2
893        $f.c2 create line ${xln}c 0 ${xln}c ${c1h}c -fill $vlinescolor
894        set v 1
895        for {set k 0} {$k < $q} {incr k} {
896            set sh [lindex $show $k]
897            if {$sh ==  1} {
898                set item [lindex $cy($i) $k]
899                $f.c2 create text ${xtx}c ${v}c -width ${cywidth}c -text $item -fill $fg2 -justify center -font $font2
900                incr v
901            }
902        }
903        set xtx [expr $xtx+$cywidth]
904        set xln [expr $xln+$cywidth]
905        set xrc1 [expr $xrc1+$cywidth]
906        set xrc2 [expr $xrc2+$cywidth]
907    }
908
909    unset show
910
911}
912
913
914#############################################
915# main body of XsimView
916#
917
918#-------
919# parse the command line (either one argument -- sim output file name --
920# or none.
921#
922
923global infile
924global t
925
926if {$argc == 0} {
927    set infile "in.simv"
928    puts "setting input file to in.simv\n"
929} elseif {$argc == 1} {
930    set infile [lindex $argv 0]
931} else {
932    puts "syntax is:  xsimview <filename>\n"
933    exit
934}
935
936######################################################
937##### FILES NECESSARY FOR SAVING
938######################################################
939
940proc doSave {} {
941        set file [fileSelect Write]
942        catch {exec cp in.simv $file}
943}
944
945####################################################
946##### END FILES NECESSARY FOR SAVING
947####################################################
948
949#------------------
950# initialization sequence.
951#
952# parse the sim output file (only needs to be done once).
953# open the main window for XsimView
954#
955parse $infile
956wm title . "XsimView 0.1"
957button .go -text GO -command {
958    strike
959    findlongestvar
960    readprefs
961    drawcanvas
962}
963button .redraw -text ReDraw -command {
964    destroy $t
965    strike
966    findlongestvar
967    readprefs
968    drawcanvas
969}
970button .save -text Save -command {doSave}
971button .quit -text Quit -command {destroy .}
972
973pack .go -side left -padx 2m -pady 2m
974pack .redraw -side left -padx 2m -pady 2m
975pack .save -side left -padx 2m -pady 2m
976pack .quit -side left -padx 2m -pady 2m
977
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