Stas Boukarev stass...@gmail.com writes:
Juan Jose Garcia-Ripoll juanjose.garciarip...@googlemail.com writes:
Hi everybody,
Regarding Stas Boukarev's problems with require-ing ASDF and compiling a
test file that defines the ASDF package, I could not reproduce it in any
system with a clean new copy of ECL.
This is quite unfortunate, because this really is a show-stopper here, I
can't load any .fas which weren't compiled in the current instance of
ECL.
Here is my further analyses:
Consider the function
ecl_make_package
http://ecls.git.sourceforge.net/git/gitweb.cgi?p=ecls/ecl;a=blob;f=src/c/package.d;h=5939239084d30db5d484ce3ff8924a3ee64ef004;hb=HEAD#l195
which is eventually called when loading the code I showed earlier.
It calls
x = find_pending_package(env, name, nicknames);
which returns a package, because it finds it in env-packages_to_be_created
(which, I
presume, is set up by LOAD), so that means that if (Null(x)) { ... } is
not executed, and the variable `other' isn't set to anything.
Next, it iterates over nicknames, which it has none, and `other' is still
untouched.
And finally, it does
if (!Null(other))
but the variable `other' wasn't ever initialized, and when I insert a print
statement there, it shows #illegal pointer bf9c2d38, which isn't null,
and it's eventually passed to CEpackage_error, which then
complains not a lisp data object.
And the patch which fixes the problem for me.
diff --git a/src/c/package.d b/src/c/package.d
index 5939239..88d5957 100644
--- a/src/c/package.d
+++ b/src/c/package.d
@@ -195,7 +195,7 @@ cl_object
ecl_make_package(cl_object name, cl_object nicknames, cl_object use_list)
{
const cl_env_ptr env = ecl_process_env();
- cl_object x, l, other;
+ cl_object x, l, other = Cnil;
/* Type checking, coercions, and the like, happen before we
* acquire the lock */
--
With Best Regards, Stas.
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