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############################################################################
#
# File: fnctab.icn
#
# Subject: Program to list function usage
#
# Author: Ralph E. Griswold
#
# Date: June 18, 1994
#
############################################################################
#
# This file is in the public domain.
#
############################################################################
#
# This program processes an MVT token file and tabulates the usage
# of functions.
#
# Since function usage cannot be determined completely from static
# analysis, the results should be viewed with this limitation in mind.
#
############################################################################
procedure main()
local fncset, fnctab, line, count, name, total
fncset := set() # set for the names of all functions
fnctab := table(0) # table to tabulate function count
total := 0
every insert(fncset, function())
delete(fncset, "args") # ad hoc -- usual not used as functions
delete(fncset, "name")
while line := read() | stop("*** didn't find variable references") do {
line ? {
if ="Variable references:" then break
}
}
while line := trim(read()) do {
line ? {
if tab(upto(&digits)) then {
count := tab(many(&digits))
tab(upto(&letters))
name := tab(0)
if name == "" then break
if member(fncset, name) then {
fnctab[name] +:= count
total +:= count
}
}
}
}
fnctab := sort(fnctab, 4)
while count := pull(fnctab) do
write(left(pull(fnctab), 14), right(count, 8))
write()
write("total ", right(total, 8))
end
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