Good evening all,
I am in the process of writing a test program for my UTF8 classes. I am
testing one of the methods and I am getting the runtime error of 111
Variable expected. This is occurring when I assign the relevant value to
a variable.
The method in question is
method SkipBOM(str)
local str1, str2, str3
str1 := __Coerce(str)
write(ximage(str1.Data()))
str1.Data() ? {
=__UTF8BOM
write(str2 := tab(0))
}
str3 := UTF8.New(str2) <--- line 434 in utf8.icn
return str3
end
The code from whence it is called is
s5 := UTF8.SkipBOM(s4 || us1.Data()) <--- line 15 in utf8testbed.icn
The error messages and traceback from runtime are
"\xef\xbb\xbfabcde"
abcde
Run-time error 111
File utf8.icn; Line 434
variable expected
offending value: &null
Traceback:
main()
UTF8_SkipBOM(object
UTF8_1(table_3(256),table_5(4),"\xef\xbb\xbf",table_4(256),"\xef\xbf\xbd",1,&null,&errout),"\xef\xbb\xbfabcde")
from line 15 in utf8testbed.icn
{&null := object __UTF8Object_4("abcde",1,&null,&null)} from line
434 in utf8.icn
^
|
This is where str3 should be showing up. The ucode file has the
following in it
proc UTF8_SkipBOM
local 0,001000,self
local 1,001000,str
local 2,000020,str1
local 3,000020,str2
local 4,000020,str3 <-- variable used
local 5,000000,write
local 6,000000,ximage
local 7,000000,tab
con 0,002000,1,0
declend
...
lab L3
mark L5
pnull
var 4 <-- variable referenced
pnull
pnull
var 0
line 434
colm 21
synt any
field UTF8
line 434
colm 26
synt any
field New
var 3
line 434
colm 30
synt any
invoke 1
line 434
colm 14
synt any
asgn <-- assignment
unmark
...
The interesting thing is that the original code for the method gave a
runtime error of 302 memory violation. The original method code was
method SkipBOM(str)
str := __Coerce(str)
return str1.Data() ? {
=__UTF8BOM
UTF8.New(tab(0))
}
end
Current unicon version and features are
[bruce@localhost ibpag3]$ unicon -features
Unicon Version 12.3. Sep 12, 2015
UNIX
POSIX
DBM
ASCII
co-expressions
concurrent threads
dynamic loading
environment variables
event monitoring
external functions
keyboard functions
large integers
multiple programs
pattern type
pipes
pseudo terminals
system function
messaging
graphics
3D graphics
X Windows
libz file compression
JPEG images
PNG images
Audio
operator overloading
CCompiler gcc 4.4.7
Physical memory: 1044389888 bytes
Revision 4209
Arch x86_32
CPU cores 4
Binaries at /home/bruce/unicon/bin/
Is there anything obvious that I am overlooking. I do use the -u option
when compiling my code.
regards
Bruce Rennie
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