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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@15423 72102866-910b-0410-8b05-ffd578937521
102 lines
2.9 KiB
Objective-C
102 lines
2.9 KiB
Objective-C
/** Implementation of ObjC runtime for GNUStep
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Copyright (C) 1995 Free Software Foundation, Inc.
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Written by: Andrew Kachites McCallum <mccallum@gnu.ai.mit.edu>
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Date: Aug 1995
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This file is part of the GNUstep Base Library.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111 USA.
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<title>NSObjCRuntime class reference</title>
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$Date$ $Revision$
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*/
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#include <config.h>
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#include <base/preface.h>
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#include <Foundation/NSException.h>
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#include <Foundation/NSObjCRuntime.h>
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#include <Foundation/NSString.h>
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#include <mframe.h>
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#include <string.h>
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/**
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* Returns a string object containing the method name for
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* aSelector. If aSelector is 0, returns nil.
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*/
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NSString *
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NSStringFromSelector(SEL aSelector)
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{
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if (aSelector != (SEL)0)
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return [NSString stringWithCString: GSNameFromSelector(aSelector)];
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return nil;
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}
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/**
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* Returns a selector for the method whose name is supplied in the
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* aSelectorName argument, or 0 if a nil string is supplied.
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*/
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SEL
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NSSelectorFromString(NSString *aSelectorName)
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{
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if (aSelectorName != nil)
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return GSSelectorFromName ([aSelectorName lossyCString]);
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return (SEL)0;
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}
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/**
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* Returns the class whose name is supplied in the
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* aClassName argument, or 0 if a nil string is supplied.
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*/
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Class
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NSClassFromString(NSString *aClassName)
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{
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if (aClassName != nil)
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return GSClassFromName ([aClassName lossyCString]);
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return (Class)0;
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}
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/**
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* Returns an [NSString] object containing the class name for
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* aClass. If aClass is 0, returns nil.
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*/
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NSString *
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NSStringFromClass(Class aClass)
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{
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if (aClass != (Class)0)
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return [NSString stringWithCString: (char*)GSNameFromClass(aClass)];
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return nil;
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}
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/**
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* When provided with a C string containing encoded type information,
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* this method extracts size and alignment information for the specified
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* type into the buffers pointed to by sizep and alignp.<br />
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* If either sizep or alignp is a nil pointer, the corresponding data is
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* not extracted.<br />
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* The function returns a pointer to the type information C string.
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*/
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const char *
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NSGetSizeAndAlignment(const char *typePtr, unsigned *sizep, unsigned *alignp)
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{
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NSArgumentInfo info;
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typePtr = mframe_next_arg(typePtr, &info);
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if (sizep)
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*sizep = info.size;
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if (alignp)
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*alignp = info.align;
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return typePtr;
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}
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