{--
JVM-Bridge -- bridge from FP languages and others to the Java VM
Copyright (C) 2007 Ashley Yakeley <ashley@semantic.org>

This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
--}

-- primitive types converted
-- raw and local refs converted with finalizers
-- StringPtrs converted
module Foreign.JavaVM.VM.Field where
{
	import Foreign.JavaVM.VM.Field.Access;
	import Foreign.JavaVM.VM.Field.ID;
	import Foreign.JavaVM.VM.Witness;
	import Foreign.JavaVM.VM.Ref;
	import Foreign.JavaVM.VM.Types;
	import Platform.JavaVM;
	import Control.Monad.Reference;
	import Data.Witness;
	import Data.Nothing;
	
	vmGetStaticField :: (Is VMType t) =>
	 VMClassRef -> FieldNameType -> VM (Ref IO t);
	vmGetStaticField cls nt = do
	{
		fid <- vmGetStaticFieldID cls nt;
		if (isNothing fid)
		 then fail ("static field "++(show nt)++" not found")
		 else return (vmStaticField fid cls);
	};
	
	vmGetField :: (Is VMType t) =>
	 VMClassRef -> FieldNameType -> VM (VMRef -> Ref IO t);
	vmGetField cls nt = do
	{
		fid <- vmGetFieldID cls nt;
		if (isNothing fid)
		 then fail ("field "++(show nt)++" not found")
		 else return (vmField fid);
	};
}