| /* |
| * Copyright (c) 1994, 2003, Oracle and/or its affiliates. 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. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package sun.tools.tree; |
| |
| import sun.tools.java.*; |
| import sun.tools.asm.Assembler; |
| import java.io.PrintStream; |
| import java.util.Hashtable; |
| |
| /** |
| * WARNING: The contents of this source file are not part of any |
| * supported API. Code that depends on them does so at its own risk: |
| * they are subject to change or removal without notice. |
| */ |
| public |
| class SuperExpression extends ThisExpression { |
| |
| /** |
| * Constructor |
| */ |
| public SuperExpression(long where) { |
| super(SUPER, where); |
| } |
| |
| /** |
| * Constructor for "outer.super()" |
| */ |
| public SuperExpression(long where, Expression outerArg) { |
| super(where, outerArg); |
| op = SUPER; |
| } |
| |
| public SuperExpression(long where, Context ctx) { |
| super(where, ctx); |
| op = SUPER; |
| } |
| |
| /** |
| * Check expression |
| */ |
| public Vset checkValue(Environment env, Context ctx, Vset vset, Hashtable<Object, Object> exp) { |
| vset = checkCommon(env, ctx, vset, exp); |
| if (type != Type.tError) { |
| // "super" is not allowed in this context: |
| env.error(where, "undef.var.super", idSuper); |
| } |
| return vset; |
| } |
| |
| /** |
| * Check if the present name is part of a scoping prefix. |
| */ |
| public Vset checkAmbigName(Environment env, Context ctx, |
| Vset vset, Hashtable<Object, Object> exp, |
| UnaryExpression loc) { |
| return checkCommon(env, ctx, vset, exp); |
| } |
| |
| /** Common code for checkValue and checkAmbigName */ |
| private Vset checkCommon(Environment env, Context ctx, Vset vset, Hashtable<Object, Object> exp) { |
| ClassDeclaration superClass = ctx.field.getClassDefinition().getSuperClass(); |
| if (superClass == null) { |
| env.error(where, "undef.var", idSuper); |
| type = Type.tError; |
| return vset; |
| } |
| vset = super.checkValue(env, ctx, vset, exp); |
| type = superClass.getType(); |
| return vset; |
| } |
| |
| } |