[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: Calling Scheme procedure from C ?
From: |
Andreas Rottmann |
Subject: |
Re: Calling Scheme procedure from C ? |
Date: |
Sun, 13 Jul 2003 20:18:08 +0200 |
User-agent: |
Gnus/5.1002 (Gnus v5.10.2) Emacs/21.3 (gnu/linux) |
"wangy01" <address@hidden> writes:
> I want to make a Scheme call "(write 10)" from my C code. I wrote:
> proc = scm_c_lookup("write");
> scm_apply(proc, SCM_MAKINUM(10), scm_listofnull);
> but guile said:
> ERROR: In procedure apply:
> ERROR: Wrong type argument in position 1: #<variable 8096d70
> binding: #<primitive-procedure write>>
> , then I tried:
> proc = scm_c_lookup("write");
> scm_apply(proc, scm_cons(SCM_MAKINUM(10)), scm_listofnull);
> guile printed the same error messages again.
>
> What should I do?
>
Some code snippet, HTH:
,----
| SCM mod_ref_proc = scm_c_lookup("module-ref");
| if (SCM_FALSEP(mod_ref_proc))
| return 0;
| SCM mod = scm_apply(
| scm_variable_ref(mod_ref_proc),
| scm_list_3(sobj_, scm_str2symbol(name.c_str()), SCM_BOOL_F),
| SCM_EOL);
`----
Regards, Andy
--
Andreas Rottmann | address@hidden | address@hidden | address@hidden
http://www.8ung.at/rotty | GnuPG Key: http://www.8ung.at/rotty/gpg.asc
Fingerprint | DFB4 4EB4 78A4 5EEE 6219 F228 F92F CFC5 01FD 5B62
Python is executable pseudocode, Perl is executable line-noise.