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############################################################################
#
# File: scat.icn
#
# Subject: Program to produce call/result scatterplot
#
# Author: Clinton Jeffery
#
# Date: November 11, 1997
#
############################################################################
#
# This file is in the public domain.
#
############################################################################
#
# Press the left mouse button atop any plotted point to see the list of
# procedures at that point. Execution (and point motion) is suspended
# until the mouse button is released.
#
############################################################################
#
# Requires: Version 9 graphics
#
############################################################################
#
# Links: eemutils, vinit
#
############################################################################
#
# Includes: evdefs.icn
#
############################################################################
$include "evdefs.icn"
link emutils
link evinit
global at, # table of counts of procedures at a given point
call, # table of call counts
rslt # table of result counts
record activation (p, parent, children)
procedure main(av)
local mask, maxmax, maxmatch, current_proc, L, max, i, k, child, e
EvInit(av) | stop("*** cannot load SP")
kill_output()
&window := open("scat","x","geometry=150x180") | stop("can't open window")
current_proc := activation(,activation(,,,,[]),[])
call := table(0)
rslt := table(0)
at := table(0)
mask := ProcMask ++ E_MXevent
maxmax := 0
maxmatch := 0
while EvGet(mask) do {
case &eventcode of {
E_Pcall: {
move(&eventvalue, 1, 0)
current_proc := activation(&eventvalue, current_proc, [])
put(current_proc.parent.children, current_proc)
}
E_Psusp: {
move(current_proc.p, 0, 1)
current_proc := current_proc.parent
}
E_Presum: {
current_proc := current_proc.children[-1]
}
E_Pret: {
move(current_proc.p, 0, 1)
pull(current_proc.parent.children)
current_proc := current_proc.parent
}
E_Pfail: {
pull(current_proc.parent.children)
current_proc := current_proc.parent
}
E_Prem: {
child := pull(current_proc.children)
current_proc.children |||:= child.children
}
E_MXevent: {
case &eventvalue of {
"q" | "\033": stop("terminated")
&lpress | &ldrag : {
repeat {
L := []
every k := key(call) do {
if -3 < 2*log(call[k]+2,1.25)+2 - &x < 3 &
-3 < 2*log(rslt[k]+2,1.25)+2 - &y < 3 then {
put(L, procedure_name(k))
}
}
if max := * (L[1]) then {
every max <:= *( !L )
maxmax <:= max
}
maxmatch <:= *L
&col := WAttrib("columns") - maxmax
&row := WAttrib("lines") - maxmatch - 1
EraseArea(&x,&y)
if *L > 0 then {
every i := 1 to *L do {
GotoRC(WAttrib("lines")-*L+i,WAttrib("columns")-max)
writes(&window,L[i])
}
e := Event()
every i := 1 to *L do {
GotoRC(WAttrib("lines")-*L+i,WAttrib("columns")-max)
writes(&window,L[i])
}
}
else e := Event()
if e === &lrelease then break
}
}
}
}
}
}
end
procedure procedure_name(p)
return image(p) ? { ="procedure "; tab(0) }
end
procedure move(who, iscall, isrslt)
if (at[integer(2*log(call[who]+2,1.25)) || "," || integer(2*log(rslt[who]+2,1.25))] -:= 1) = 0 then
EraseArea(2*log(call[who]+2,1.25) + 2, 2*log(rslt[who]+2,1.25) + 2, 2, 2)
call[who] +:= iscall
rslt[who] +:= isrslt
if (at[integer(2*log(call[who]+2,1.25)) || "," || integer(2*log(rslt[who]+2,1.25))] +:= 1) = 1 then
FillRectangle(2*log(call[who]+2,1.25) + 2, 2*log(rslt[who]+2,1.25) + 2, 2, 2)
end
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