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Generate useful error message when no best typed selector can be found

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in forwarding callback.


git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@35784 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
Wolfgang Lux 2012-11-05 15:16:30 +00:00
parent c67e228f86
commit a1843ff254
2 changed files with 16 additions and 5 deletions
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7
ChangeLog
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@ -1,4 +1,9 @@
2012-11-02 Wolfgang Lux <wlux@uni-muenster.de>
2012-11-05 Wolfgang Lux <wolfgang.lux@gmail.com>
* Source/GSFFIInvocation.m (GSFFIInvocationCallback): Generate
useful error message when no best typed selector can be found.
2012-11-02 Wolfgang Lux <wolfgang.lux@gmail.com>
* configure.ac: Use AC_FUNC_STRERROR_R to check for presence and
version of the strerror_r function.

14
Source/GSFFIInvocation.m
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@ -594,12 +594,18 @@ GSFFIInvocationCallback(ffi_cif *cif, void *retp, void **args, void *user)
if (sig == nil)
{
selector = gs_find_best_typed_sel (selector);
/* NB Don't overwrite selector prematurely, so we can show the untyped
* selector in the error message below if there is no best selector. */
SEL typed_sel = gs_find_best_typed_sel (selector);
if (GSTypesFromSelector(selector) != 0)
if (typed_sel != 0)
{
sig = [NSMethodSignature signatureWithObjCTypes:
GSTypesFromSelector(selector)];
selector = typed_sel;
if (GSTypesFromSelector(selector) != 0)
{
sig = [NSMethodSignature signatureWithObjCTypes:
GSTypesFromSelector(selector)];
}
}
}