Hi:

Can open-cobol debug with gdb?
I test it, but I found it uses generated C source file rather than Cobol source file for debugging.

Is it possible to trace through the cobol source code?

open-cobol version 1.1


Thank you very much :)

Can anyone tell me some information about this?
Can the gdb debugger trace through the cobol source code?

Thank you so much!

No, only the C code.
Until recently, we did have #line directives
(optionally) generated. BUT, this did not work.
gdb (and other variants eg. ddd) got confused with
the #line directives referring to eg.
#line 10 "abc.cob"
after returning, gdb would complain that current line
number was out of range.
(Clearly the case with the C code, as the C line number
is way bigger)

Roger

That's OK.
Thanks for your reply

Just curious..
What are the plans to make it work? It seems that it technically possible because it works with the Fortran compiler, Isn't it?

Thanks!

Fortran is a front-end for gcc :-)

Actually, if you use the -ftraceall compile
option in latest OC 1.1, you will get a statement
trace on stderr. And the generated C code reflects
this, so you can see it with gdb; eg.
/* roger.cob:19: SET */
cob_set_location ("roger", "roger.cob", 19, "MAIN SECTION", "MAIN PARAGRAPH", "SET");

Roger

OK, thank you very much :)

Jason

Also with current OC 1.1, if you specify
"-g" and/or "-debug", the "cob_set_location" calls
will be generated. There will be no print to stderr
unless you specify "-ftraceall".

Roger