libs-base/Source/NSMethodSignature.m
mccallum 07d5a24cbf ([NSMethodSignature +signatureWithObjCTypes:]): Use gcc's builtin
memcpy instead of bcopy.  (Reported by Matthias Klose
<doko@cs.tu-berlin.de>.)


git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@710 72102866-910b-0410-8b05-ffd578937521
1996-01-12 16:56:38 +00:00

110 lines
2.6 KiB
Objective-C

/* Implementation of NSMethodSignature for GNUStep
Copyright (C) 1994, 1995, 1996 Free Software Foundation, Inc.
Written by: R. Andrew McCallum <mccallum@gnu.ai.mit.edu>
Date: August 1994
This file is part of the GNU Objective C Class Library.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <objects/stdobjects.h>
#include <Foundation/NSMethodSignature.h>
#include <Foundation/NSException.h>
#include <Foundation/NSString.h>
static int
types_get_size_of_arguments(const char *types)
{
const char* type = objc_skip_typespec (types);
return atoi (type);
}
static int
types_get_number_of_arguments (const char *types)
{
int i = 0;
const char* type = types;
while (*type)
{
type = objc_skip_argspec (type);
i += 1;
}
return i - 1;
}
@implementation NSMethodSignature
+ (NSMethodSignature*) signatureWithObjCTypes: (const char*)t
{
int len;
NSMethodSignature *newMs = [NSMethodSignature alloc];
len = strlen(t);
OBJC_MALLOC(newMs->types, char, len);
memcpy(newMs->types, t, len);
len = strlen(t); /* xxx */
OBJC_MALLOC(newMs->returnTypes, char, len);
memcpy(newMs->returnTypes, t, len);
newMs->returnTypes[len-1] = '\0';
newMs->argFrameLength = types_get_size_of_arguments(t);
newMs->returnFrameLength = objc_sizeof_type(t);
newMs->numArgs = types_get_number_of_arguments(t);
return newMs;
}
- (NSArgumentInfo) argumentInfoAtIndex: (unsigned)index
{
if (index >= numArgs)
[NSException raise:NSInvalidArgumentException
format:@"Index too high."];
[self notImplemented:_cmd];
return (NSArgumentInfo){0,0,""};
}
- (unsigned) frameLength
{
return argFrameLength;
}
- (BOOL) isOneway
{
[self notImplemented:_cmd];
return NO;
}
- (unsigned) methodReturnLength
{
return returnFrameLength;
}
- (char*) methodReturnType
{
return "";
}
- (unsigned) numberOfArguments
{
return numArgs;
}
- (void) dealloc
{
OBJC_FREE(types);
OBJC_FREE(returnTypes);
[super dealloc];
}
@end