| /***** BEGIN LICENSE BLOCK ***** |
| * Version: CPL 1.0/GPL 2.0/LGPL 2.1 |
| * |
| * The contents of this file are subject to the Common Public |
| * License Version 1.0 (the "License"); you may not use this file |
| * except in compliance with the License. You may obtain a copy of |
| * the License at http://www.eclipse.org/legal/cpl-v10.html |
| * |
| * Software distributed under the License is distributed on an "AS |
| * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or |
| * implied. See the License for the specific language governing |
| * rights and limitations under the License. |
| * |
| * Copyright (C) 2002 Jan Arne Petersen <jpetersen@uni-bonn.de> |
| * Copyright (C) 2004 Thomas E Enebo <enebo@acm.org> |
| * Copyright (C) 2004 Anders Bengtsson <ndrsbngtssn@yahoo.se> |
| * |
| * Alternatively, the contents of this file may be used under the terms of |
| * either of the GNU General Public License Version 2 or later (the "GPL"), |
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| ***** END LICENSE BLOCK *****/ |
| package org.jruby.parser; |
| |
| import org.jruby.runtime.DynamicScope; |
| |
| public class RubyParserConfiguration { |
| private DynamicScope existingScope = null; |
| private boolean asBlock = false; |
| |
| /** |
| * If we are performing an eval we should pass existing scope in. |
| * Calling this lets the parser know we need to do this. |
| * |
| * @param existingScope is the scope that captures new vars, etc... |
| */ |
| public void parseAsBlock(DynamicScope existingScope) { |
| this.asBlock = true; |
| this.existingScope = existingScope; |
| } |
| |
| /** |
| * This method returns the appropriate first scope for the parser. |
| * |
| * @return correct top scope for source to be parsed |
| */ |
| public DynamicScope getScope() { |
| if (asBlock) { |
| return existingScope; |
| } |
| |
| // FIXME: We should really not be creating the dynamic scope for the root |
| // of the AST before parsing. This makes us end up needing to readjust |
| // this dynamic scope coming out of parse (and for local static scopes it |
| // will always happen because of $~ and $_). |
| return new DynamicScope(new LocalStaticScope(null), existingScope); |
| } |
| } |