| /* |
| * Copyright 1999-2008 Sun Microsystems, Inc. All Rights Reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Sun designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Sun in the LICENSE file that accompanied this code. |
| * |
| * This code 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 |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| * CA 95054 USA or visit www.sun.com if you need additional information or |
| * have any questions. |
| */ |
| |
| package com.sun.tools.javac.comp; |
| |
| import com.sun.tools.javac.util.*; |
| import com.sun.tools.javac.code.*; |
| |
| /** Contains information specific to the attribute and enter |
| * passes, to be used in place of the generic field in environments. |
| * |
| * <p><b>This is NOT part of any API supported by Sun Microsystems. If |
| * you write code that depends on this, you do so at your own risk. |
| * This code and its internal interfaces are subject to change or |
| * deletion without notice.</b> |
| */ |
| public class AttrContext { |
| |
| /** The scope of local symbols. |
| */ |
| Scope scope = null; |
| |
| /** The number of enclosing `static' modifiers. |
| */ |
| int staticLevel = 0; |
| |
| /** Is this an environment for a this(...) or super(...) call? |
| */ |
| boolean isSelfCall = false; |
| |
| /** Are we evaluating the selector of a `super' or type name? |
| */ |
| boolean selectSuper = false; |
| |
| /** Are arguments to current function applications boxed into an array for varargs? |
| */ |
| boolean varArgs = false; |
| |
| /** A list of type variables that are all-quantifed in current context. |
| */ |
| List<Type> tvars = List.nil(); |
| |
| /** A record of the lint/SuppressWarnings currently in effect |
| */ |
| Lint lint; |
| |
| /** The variable whose initializer is being attributed |
| * useful for detecting self-references in variable initializers |
| */ |
| Symbol enclVar = null; |
| |
| /** Duplicate this context, replacing scope field and copying all others. |
| */ |
| AttrContext dup(Scope scope) { |
| AttrContext info = new AttrContext(); |
| info.scope = scope; |
| info.staticLevel = staticLevel; |
| info.isSelfCall = isSelfCall; |
| info.selectSuper = selectSuper; |
| info.varArgs = varArgs; |
| info.tvars = tvars; |
| info.lint = lint; |
| info.enclVar = enclVar; |
| return info; |
| } |
| |
| /** Duplicate this context, copying all fields. |
| */ |
| AttrContext dup() { |
| return dup(scope); |
| } |
| |
| public Iterable<Symbol> getLocalElements() { |
| if (scope == null) |
| return List.nil(); |
| return scope.getElements(); |
| } |
| |
| public String toString() { |
| return "AttrContext[" + scope.toString() + "]"; |
| } |
| } |