/*
    Copyright (C) 2014-2019 de4dot@gmail.com

    This file is part of dnSpy

    dnSpy is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    dnSpy 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 General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with dnSpy.  If not, see <http://www.gnu.org/licenses/>.
*/

using dnlib.DotNet;
using dnSpy.Contracts.Decompiler;

namespace dnSpy.Decompiler.IL {
	public static class InstructionBytesReader {
		public static IInstructionBytesReader Create(MethodDef method, bool isBodyModified) {
			bool noInstrStream = method is MethodDefUser;
			//TODO: OriginalInstructionBytesReader can't handle CorModuleDef assemblies since it
			//		can't get an instruction stream.
			if (!(method.Module is ModuleDefMD))
				noInstrStream = true;
			if (noInstrStream || isBodyModified)
				return new ModifiedInstructionBytesReader(method);
			else
				return new OriginalInstructionBytesReader(method);
		}
	}
}