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Fix for fetching type information from remote system.

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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@17095 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
CaS 2003-07-04 09:33:53 +00:00
parent 4f9f2c224e
commit df90a32ded
8 changed files with 148 additions and 25 deletions
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65
Source/NSObject.m
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@ -1238,21 +1238,74 @@ static BOOL double_release_check_enabled = NO;
*/
- (NSMethodSignature*) methodSignatureForSelector: (SEL)aSelector
{
const char *types;
struct objc_method *mth;
const char *types;
struct objc_method *mth;
Class c;
if (aSelector == 0)
[NSException raise: NSInvalidArgumentException
format: @"%@ null selector given", NSStringFromSelector(_cmd)];
mth = (GSObjCIsInstance(self)
? GSGetInstanceMethod(GSObjCClass(self), aSelector)
: GSGetClassMethod((Class)self, aSelector));
if (GSObjCIsInstance(self))
{
c = GSObjCClass(self);
mth = GSGetInstanceMethod(c, aSelector);
}
else
{
c = (Class)self;
mth = GSGetClassMethod((Class)self, aSelector);
}
if (mth == 0)
{
return nil;
return nil; // Method not implemented
}
types = mth->method_types;
/*
* If there are protocols that this class conforms to,
* the method may be listed in a protocol with more
* detailed type information than in the class itsself
* and we must therefore use the information from the
* protocol.
* This is because protocols also carry information
* used by the Distributed Objects system, which the
* runtime does not maintain in classes.
*/
if (c->protocols != 0)
{
struct objc_protocol_list *protocols = c->protocols;
BOOL found = NO;
while (found == NO && protocols != 0)
{
unsigned i = 0;
while (found == NO && i < protocols->count)
{
Protocol *p;
struct objc_method_description *pmth;
p = protocols->list[i++];
if (c == (Class)self)
{
pmth = [p descriptionForClassMethod: aSelector];
}
else
{
pmth = [p descriptionForInstanceMethod: aSelector];
}
if (pmth != 0)
{
types = pmth->types;
found = YES;
}
}
protocols = protocols->next;
}
}
if (types == 0)
{
return nil;