Low-Level runtime fixes

- void* in NSGetSizeAndAlignment
- removed implementation of NSProxy +respondsToSelector
- some objc_ methods
- NSBundle executablePath and NSTask launchedTask

AppKit/NSSavePanel.m

@@ -125,9 +125,8 @@ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLI
    _accessoryView=view;
 }
 
-@end
-
-@implementation NSSavePanel (PanelSheet)
+#pragma mark -
+#pragma mark Sheet methods
 - (void)beginSheetForDirectory:(NSString *)path
 						  file:(NSString *)name 
 				modalForWindow:(NSWindow *)docWindow

Foundation/NSBundle.m

@@ -265,10 +265,7 @@ static NSMapTable *pathToObject=NULL;
    NSUnimplementedMethod();
    return 0;
 }
--(NSString *)executablePath {
-   NSUnimplementedMethod();
-   return 0;
-}
+
 -(NSArray *)localizations {
    NSUnimplementedMethod();
    return 0;
@@ -361,17 +358,20 @@ static NSMapTable *pathToObject=NULL;
    return [[_path stringByAppendingPathComponent:name] stringByAppendingPathExtension:loadableObjectFileExtension];
 }
 
+-(NSString *)executablePath {
+	return [_path stringByAppendingPathComponent:[self _findExecutable]];
+}
+
 -(BOOL)load {
    if(!_isLoaded){
     NSString *load=[self _findExecutable];
 
-    _isLoaded=YES;
-
     if(NSLoadModule([load fileSystemRepresentation]) == NULL){
      NSLog(@"load of %@ FAILED",load);
      return NO;
     }
    }
+	_isLoaded=YES;
    return YES;
 }
 

Foundation/NSException/NSException.m

@@ -150,7 +150,11 @@ void NSSetUncaughtExceptionHandler(NSUncaughtExceptionHandler *proc) {
 
 @end
 
-
+void __gnu_objc_personality_sj0()
+{
+	printf("shouldn't get here");
+	abort();
+}
 
 void objc_exception_try_enter(void* exceptionFrame)
 {

Foundation/NSInvocation.m

@@ -41,6 +41,12 @@ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLI
 }
 
 -initWithMethodSignature:(NSMethodSignature *)signature {
+	if(!signature)
+	{
+		[NSException raise:NSInvalidArgumentException
+					format:@"nil signature in NSInvocation creation"];		
+	}
+	
    _signature=[signature retain];
 
    [self buildFrame];
@@ -211,7 +217,9 @@ static void byteCopy(void *src,void *dst,unsigned length){
      
    }
    else
+   {
     [NSException raise:NSInvalidArgumentException format:@"Unable to convert naturalSize=%d to promotedSize=%d",naturalSize,promotedSize];
+   }
     
 }
 
@@ -232,7 +240,10 @@ static void byteCopy(void *src,void *dst,unsigned length){
     byteCopy(promoted,_argumentFrame+_argumentOffsets[index],promotedSize);
    }
    else
+   {
+	   *(char*)0=0;
     [NSException raise:NSInvalidArgumentException format:@"Unable to convert naturalSize=%d to promotedSize=%d",naturalSize,promotedSize];
+   }
 }
 
 -(void)retainArguments {

Foundation/NSMethodSignature.m

@@ -72,7 +72,7 @@ static NSMapTable *_cache=NULL;
 
     first=NO;
 
-    while((*next>='0' && *next<='9') || *next=='+' || *next=='-')
+    while((*next>='0' && *next<='9') || *next=='+' || *next=='-' || *next=='?')
      next++; 
 
     if(*next=='\0')

Foundation/NSObjCRuntime.m

@@ -164,6 +164,10 @@ const char *NSGetSizeAndAlignment(const char *type,unsigned *size,
       *size=sizeof(SEL);
       quit=YES;
       break;
+			
+	  case '?':
+		*size=0;
+		quit=YES;
 
      case '[':
     {
@@ -217,6 +221,7 @@ const char *NSGetSizeAndAlignment(const char *type,unsigned *size,
 		 type++;
 		 	 
 		 type=NSGetSizeAndAlignment(type,&subsize,&subalignment);
+		 type--;
 		 *size=sizeof(void*);
 		 quit=YES;
 		 break;

Foundation/NSProxy.m

@@ -25,10 +25,13 @@ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLI
    return self;
 }
 
+/*
+ FIXME: should we implement this? The Apple implementation does _not_ throw an exception, so we may not, either
 +(BOOL)respondsToSelector:(SEL)selector {
    NSUnimplementedMethod();
    return NO;
 }
+ */
 
 +allocWithZone:(NSZone *)zone {
    return NSAllocateObject(self,0,zone);

Foundation/NSTask.m

@@ -24,8 +24,11 @@ NSString *NSTaskDidTerminateNotification=@"NSTaskDidTerminateNotification";
 }
 
 +(NSTask *)launchedTaskWithLaunchPath:(NSString *)path arguments:(NSArray *)arguments {
-   NSUnimplementedMethod();
-   return nil;
+	NSTask *task=[[NSTask new] autorelease];
+	[task setLaunchPath:path];
+	[task setArguments:arguments];
+	[task launch];
+   return task;
 }
 
 -init {

Foundation/objc/ObjCClass.m

@@ -50,6 +50,23 @@ void objc_addClass(Class class) {
    OBJCRegisterClass(class);
 }
 
+Method class_getClassMethod(Class class, SEL selector)
+{
+	return OBJCLookupUniqueIdInClass(class, selector);
+}
+
+int objc_getClassList(Class *buffer, int bufferLen)
+{
+	OBJCHashEnumerator classes=OBJCEnumerateHashTable(OBJCClassTable());
+	int i;
+	for(i=0; i<bufferLen; i++)
+		buffer[i]=(Class)OBJCNextHashEnumeratorValue(&classes);
+	for(;OBJCNextHashEnumeratorValue(&classes)!=0; i++)
+		;
+	i--;
+	return i;
+}
+
 // I think this is generated by the compiler
 // to get the class pre-posing, since we don't support posing
 // just use the normal thing
@@ -209,7 +226,7 @@ void OBJCInitializeClass(Class class) {
 
     if(!(class->info&CLASS_INFO_INITIALIZED)) {
      SEL         selector=@selector(initialize);
-     struct objc_method *method=OBJCLookupUniqueIdInOnlyThisClass(class->isa,OBJCSelectorUniqueId(selector));
+     struct objc_method *method=OBJCLookupUniqueIdInClass(class->isa,OBJCSelectorUniqueId(selector));
 
      class->info|=CLASS_INFO_INITIALIZED;
 

Foundation/objc/ObjCTypes.h

@@ -34,4 +34,8 @@ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLI
 
 #endif
 
+#ifndef typeof
+#define typeof __typeof
+#endif
+
 #import <objc/objc.h>

objc/objc-class.h

@@ -28,6 +28,7 @@ enum {
  _C_UINT='I',
  _C_FLT='f',
  _C_DBL='d',
+ _C_VOID='v'
 };
 
 typedef struct objc_ivar {