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############################################################################
#
# File: declchck.icn
#
# Subject: Program to detect possible declaration errors
#
# Author: Ralph E. Griswold
#
# Date: August 14, 1996
#
############################################################################
#
# This file is in the public domain.
#
############################################################################
#
# This program examines ucode files and reports declared identifiers
# that may conflict with function names.
#
############################################################################
#
# Requires: UNIX
#
############################################################################
procedure main(args)
local fset, u1, u2, line, name, base, flag, proc, files, file
fset := set()
every insert(fset,function())
files := open("ls *.icn", "p")
while file := read(files) do {
system("cp " || file || " xxxxxx.icn")
system("icont -c -s xxxxxx.icn")
write(base := (file ? tab(upto('.'))))
write(" locals")
u1 := open("xxxxxx.u1") | {
write("cannot open .u1 file for ", image(file))
next
}
u2 := open("xxxxxx.u2") | {
write("cannot open .u1 file for ", image(file))
next
}
while line := read(u1) do {
line ? {
if ="proc " then {
proc := tab(0)
write("\t", proc)
while line := read(u1) do {
line ? {
if ="\tdeclend" then break next
else if ="\tlocal\t" then {
move(2)
flag := tab(many(&digits))
if flag == ("001000" | "000020") then {
move(1)
name := tab(0)
if member(fset, name) then
write("\t\tpotential local conflict: ", name)
}
}
}
}
}
}
}
write(" globals")
while line := read(u2) do {
line ? {
if ="global" then break
}
}
while line := read(u2) do {
line ? {
if tab(upto(',') + 1) & ="000001," then {
name := tab(upto(','))
if member(fset, name) then
write("\t\tpotential global conflict: ", name)
}
}
}
system("rm -f xxxxxx.*")
close(u1)
close(u2)
write()
}
end
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