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I am trying to fix the duplicate argument bug in the compiler.
[example]
>>> def f(a,a): print a
...
>>> f(1,2)
2
[/example]
My problem is that I get a segfault whenever I try to raise an
com_error from com_arglist. I have attached a very short patch.
Thanks for any hint,
Peter
P.S.: Is this on topic for python-dev? If not, where should
I send such a request?
--
Peter Schneider-Kamp ++47-7388-7331
Herman Krags veg 51-11 mailto:peter@schneider-kamp.de
N-7050 Trondheim http://schneider-kamp.de
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filename="compile_funcdef.patch"
diff -c -d -T --recursive python/dist/src/Python/compile.c python-mod/dist/src/Python/compile.c
*** python/dist/src/Python/compile.c Mon Jul 3 21:39:47 2000
--- python-mod/dist/src/Python/compile.c Sat Jul 8 19:13:42 2000
***************
*** 3102,3109 ****
name = nbuf;
sprintf(nbuf, ".%d", i);
complex = 1;
}
! com_newlocal(c, name);
c->c_argcount++;
if (++i >= nch)
break;
--- 3103,3120 ----
name = nbuf;
sprintf(nbuf, ".%d", i);
complex = 1;
+ }
+
+ nameval = PyString_InternFromString(name);
+ if (nameval == NULL) {
+ c->c_errors++;
}
! if (PyDict_GetItem(c->c_locals, nameval)) {
! com_error(c, PyExc_SyntaxError,"double identifier in function definition");
! }
! com_newlocal_o(c, nameval);
! Py_DECREF(nameval);
!
c->c_argcount++;
if (++i >= nch)
break;
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