mirror of
https://github.com/tursodatabase/libsql.git
synced 2025-10-31 16:56:03 +00:00
254 lines
6.9 KiB
Tcl
254 lines
6.9 KiB
Tcl
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package require sqlite3
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package require Tk
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#############################################################################
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# Code to set up scrollbars for widgets. This is generic, boring stuff.
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#
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namespace eval autoscroll {
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proc scrollable {widget path args} {
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::ttk::frame $path
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set w [$widget ${path}.widget {*}$args]
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set vs [::ttk::scrollbar ${path}.vs]
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set hs [::ttk::scrollbar ${path}.hs -orient horizontal]
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grid $w -row 0 -column 0 -sticky nsew
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grid rowconfigure $path 0 -weight 1
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grid columnconfigure $path 0 -weight 1
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set grid [list grid $vs -row 0 -column 1 -sticky nsew]
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$w configure -yscrollcommand [list ::autoscroll::scrollcommand $grid $vs]
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$vs configure -command [list $w yview]
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set grid [list grid $hs -row 1 -column 0 -sticky nsew]
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$w configure -xscrollcommand [list ::autoscroll::scrollcommand $grid $hs]
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$hs configure -command [list $w xview]
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return $w
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}
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proc scrollcommand {grid sb args} {
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$sb set {*}$args
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set isRequired [expr {[lindex $args 0] != 0.0 || [lindex $args 1] != 1.0}]
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if {$isRequired && ![winfo ismapped $sb]} {
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{*}$grid
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}
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if {!$isRequired && [winfo ismapped $sb]} {
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grid forget $sb
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}
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}
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namespace export scrollable
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}
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namespace import ::autoscroll::*
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#############################################################################
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proc populate_text_widget {db} {
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$::O(text) configure -state normal
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set id [lindex [$::O(tree) selection] 0]
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set frame [lindex $id end]
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set line [$db one {SELECT line FROM frame WHERE frame = $frame}]
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if {$line ne ""} {
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regexp {^([^:]*):([0-9]*)} $line -> file line
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set content [$db one "SELECT content FROM file WHERE name = '$file'"]
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$::O(text) delete 0.0 end
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set iLine 1
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foreach L [split $content "\n"] {
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if {$iLine == $line} {
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$::O(text) insert end "$L\n" highlight
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} else {
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$::O(text) insert end "$L\n"
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}
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incr iLine
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}
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$::O(text) yview -pickplace ${line}.0
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}
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$::O(text) configure -state disabled
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}
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proc populate_index {db} {
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$::O(text) configure -state normal
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$::O(text) delete 0.0 end
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$::O(text) insert end "\n\n"
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set L [format " % -40s%12s%12s\n" "Test Case" "Allocations" "Bytes"]
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$::O(text) insert end $L
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$::O(text) insert end " [string repeat - 64]\n"
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$db eval {
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SELECT 'TOTAL' AS ztest, sum(ncall) AS calls, sum(nbyte) AS bytes
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FROM malloc
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UNION ALL
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SELECT ztest AS ztest, sum(ncall) AS calls, sum(nbyte) AS bytes
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FROM malloc
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GROUP BY ztest
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ORDER BY 3 DESC
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} {
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set tags [list $ztest]
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if {$ztest eq $::O(current)} {
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lappend tags highlight
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}
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set L [format " % -40s%12s%12s\n" $ztest $calls $bytes]
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$::O(text) insert end $L $tags
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$::O(text) tag bind $ztest <1> [list populate_tree_widget $db $ztest]
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$::O(text) tag bind $ztest <Enter> [list $::O(text) configure -cursor hand2]
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$::O(text) tag bind $ztest <Leave> [list $::O(text) configure -cursor ""]
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}
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$::O(text) configure -state disabled
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}
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proc sort_tree_compare {iLeft iRight} {
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global O
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switch -- [expr (int($O(tree_sort)/2))] {
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0 {
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set left [$O(tree) item $iLeft -text]
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set right [$O(tree) item $iRight -text]
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set res [string compare $left $right]
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}
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1 {
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set left [lindex [$O(tree) item $iLeft -values] 0]
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set right [lindex [$O(tree) item $iRight -values] 0]
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set res [expr $left - $right]
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}
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2 {
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set left [lindex [$O(tree) item $iLeft -values] 1]
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set right [lindex [$O(tree) item $iRight -values] 1]
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set res [expr $left - $right]
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}
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}
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if {$O(tree_sort)&0x01} {
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set res [expr -1 * $res]
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}
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return $res
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}
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proc sort_tree {iMode} {
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global O
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if {$O(tree_sort) == $iMode} {
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incr O(tree_sort)
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} else {
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set O(tree_sort) $iMode
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}
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set T $O(tree)
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set items [$T children {}]
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set items [lsort -command sort_tree_compare $items]
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for {set ii 0} {$ii < [llength $items]} {incr ii} {
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$T move [lindex $items $ii] {} $ii
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}
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}
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proc trim_frames {stack} {
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while {[info exists ::O(ignore.[lindex $stack 0])]} {
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set stack [lrange $stack 1 end]
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}
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return $stack
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}
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proc populate_tree_widget {db zTest} {
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$::O(tree) delete [$::O(tree) children {}]
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for {set ii 0} {$ii < 15} {incr ii} {
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$db eval {
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SELECT
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sum(ncall) AS calls,
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sum(nbyte) AS bytes,
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trim_frames(lrange(lstack, 0, $ii)) AS stack
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FROM malloc
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WHERE (zTest = $zTest OR $zTest = 'TOTAL') AND llength(lstack)>$ii
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GROUP BY stack
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HAVING stack != ''
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} {
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set parent_id [lrange $stack 0 end-1]
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set frame [lindex $stack end]
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set line [$db one {SELECT line FROM frame WHERE frame = $frame}]
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set line [lindex [split $line /] end]
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set v [list $calls $bytes]
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catch {
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$::O(tree) insert $parent_id end -id $stack -text $line -values $v
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}
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}
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}
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set ::O(current) $zTest
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populate_index $db
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}
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set O(tree_sort) 0
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::ttk::panedwindow .pan -orient horizontal
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set O(tree) [scrollable ::ttk::treeview .pan.tree]
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frame .pan.right
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set O(text) [scrollable text .pan.right.text]
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button .pan.right.index -command {populate_index mddb} -text "Show Index"
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pack .pan.right.index -side top -fill x
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pack .pan.right.text -fill both -expand true
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$O(text) tag configure highlight -background wheat
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$O(text) configure -wrap none -height 35
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.pan add .pan.tree
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.pan add .pan.right
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$O(tree) configure -columns {calls bytes}
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$O(tree) heading #0 -text Line -anchor w -command {sort_tree 0}
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$O(tree) heading calls -text Calls -anchor w -command {sort_tree 2}
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$O(tree) heading bytes -text Bytes -anchor w -command {sort_tree 4}
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$O(tree) column #0 -width 150
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$O(tree) column calls -width 100
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$O(tree) column bytes -width 100
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pack .pan -fill both -expand 1
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#--------------------------------------------------------------------
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# Open the database containing the malloc data. The user specifies the
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# database to use by passing the file-name on the command line.
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#
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proc open_database {} {
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if {[info exists ::BUILTIN]} {
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sqlite3 mddb :memory:
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mddb eval $::BUILTIN
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wm title . $::argv0
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} else {
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set zFilename [lindex $::argv 0]
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if {$zFilename eq ""} {
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set zFilename mallocs.sql
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}
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set fd [open $zFilename]
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set zHdr [read $fd 15]
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if {$zHdr eq "SQLite format 3"} {
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close $fd
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sqlite3 mddb $zFilename
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} else {
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seek $fd 0
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sqlite3 mddb :memory:
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mddb eval [read $fd]
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close $fd
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}
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wm title . $zFilename
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}
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mddb function lrange -argcount 3 lrange
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mddb function llength -argcount 1 llength
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mddb function trim_frames -argcount 1 trim_frames
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mddb eval {
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SELECT frame FROM frame
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WHERE line LIKE '%malloc.c:%' OR line LIKE '%mem2.c:%'
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} {
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set ::O(ignore.$frame) 1
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}
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}
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open_database
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bind $O(tree) <<TreeviewSelect>> [list populate_text_widget mddb]
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populate_tree_widget mddb [mddb one {SELECT zTest FROM malloc LIMIT 1}]
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