Introduce stub Foundation support

base.rs

@@ -13,8 +13,14 @@ native mod objc {
 
 #[test]
 fn test_nsapp() {
-    let klass = str::as_c_str("NSApplication") { |s| objc::objc_getClass(s) };
-    let sel = str::as_c_str("sharedApplication") { |s| objc::sel_registerName(s) };
+    let klass = str::as_c_str("NSApplication") { |s|
+        objc::objc_getClass(s)
+    };
+
+    let sel = str::as_c_str("sharedApplication") { |s|
+        objc::sel_registerName(s)
+    };
+
     let nsapp = objc::objc_msgSend(klass, sel);
 
     io::println(#fmt("nsapp: %d", (nsapp as int)));

cocoa.rc

@@ -11,4 +11,5 @@ use std;
 
 mod appkit;
 mod base;
+mod foundation;
 

foundation.rs

@@ -0,0 +1,23 @@
+import base::objc;
+
+#[nolink]
+#[link_args="-framework Foundation"]
+native mod foundation {
+}
+
+enum NSAutoreleasePool {
+    NSAutoreleasePool_priv(base::id)
+}
+
+fn NSAutoreleasePool() -> base::id {
+    let klass = str::as_c_str("NSAutoreleasePool") { |s|
+        objc::objc_getClass(s)
+    };
+
+    let alloc_sel = str::as_c_str("alloc") { |s| objc::sel_registerName(s) };
+    let init_sel = str::as_c_str("init") { |s| objc::sel_registerName(s) };
+
+    let pool = objc::objc_msgSend(klass, alloc_sel);
+    ret objc::objc_msgSend(pool, init_sel);
+}
+