[CCode (lower_case_cprefix = "JS", cheader_filename = "JavaScriptCore/JavaScript.h")]
namespace JS {
	
	[CCode (cname = "JSObjectCallAsFunctionCallback", has_target = false)]
	public delegate JS.Value? Callback (JS.Context context, JS.Object function, JS.Object this_object, [CCode (array_length_pos = 3.9, array_length_type = "size_t")] JS.Value[] arguments, out JS.Value exception);

	[Compact]
	[CCode (cname = "struct OpaqueJSContext")]
	public class Context {
		[CCode (cname = "JSContextGetGlobalObject")]
		public unowned JS.Object get_global_object ();
		[CCode (cname = "JSObjectMakeFunctionWithCallback")]
		public unowned JS.Object make_function_with_callback (JS.String? name, JS.Callback call_as_function);
		[CCode (cname = "JSObjectSetProperty")]
		public void set_property (JS.Object object, JS.String property_name, JS.Value value, uint attributes = 0, out JS.Value exception = null);
	}

	[Compact]
	[CCode (cname = "struct OpaqueJSValue")]
	public class Value {
	}

	[Compact]
	[CCode (cname = "struct OpaqueJSValue")]
	public class Object : JS.Value {
	}

	[Compact]
	[CCode (cname = "struct OpaqueJSString", free_function = "JSStringRelease")]
	public class String {
		[CCode (cname = "JSStringCreateWithUTF8CString")]
		public String (string utf8_cstring);
	}
}