4632N/A/*
4632N/A * Copyright (c) 1994, 2003, Oracle and/or its affiliates. All rights reserved.
4632N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4632N/A *
4632N/A * This code is free software; you can redistribute it and/or modify it
4632N/A * under the terms of the GNU General Public License version 2 only, as
4632N/A * published by the Free Software Foundation. Oracle designates this
4632N/A * particular file as subject to the "Classpath" exception as provided
4632N/A * by Oracle in the LICENSE file that accompanied this code.
4632N/A *
4632N/A * This code is distributed in the hope that it will be useful, but WITHOUT
4632N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
4632N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
4632N/A * version 2 for more details (a copy is included in the LICENSE file that
4632N/A * accompanied this code).
4632N/A *
4632N/A * You should have received a copy of the GNU General Public License version
4632N/A * 2 along with this work; if not, write to the Free Software Foundation,
4632N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
4632N/A *
4632N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
4632N/A * or visit www.oracle.com if you need additional information or have any
4632N/A * questions.
4632N/A */
4632N/A
4632N/Apackage sun.tools.tree;
4632N/A
4632N/Aimport sun.tools.java.*;
4632N/Aimport sun.tools.asm.Assembler;
4632N/Aimport java.io.PrintStream;
4632N/Aimport java.util.Hashtable;
4632N/A
4632N/A/**
4632N/A * WARNING: The contents of this source file are not part of any
4632N/A * supported API. Code that depends on them does so at its own risk:
4632N/A * they are subject to change or removal without notice.
4632N/A */
4632N/Apublic
4632N/Aclass SuperExpression extends ThisExpression {
4632N/A
4632N/A /**
4632N/A * Constructor
4632N/A */
4632N/A public SuperExpression(long where) {
4632N/A super(SUPER, where);
4632N/A }
4632N/A
4632N/A /**
4632N/A * Constructor for "outer.super()"
4632N/A */
4632N/A public SuperExpression(long where, Expression outerArg) {
4632N/A super(where, outerArg);
4632N/A op = SUPER;
4632N/A }
4632N/A
4632N/A public SuperExpression(long where, Context ctx) {
4632N/A super(where, ctx);
4632N/A op = SUPER;
4632N/A }
4632N/A
4632N/A /**
4632N/A * Check expression
4632N/A */
4632N/A public Vset checkValue(Environment env, Context ctx, Vset vset, Hashtable exp) {
4632N/A vset = checkCommon(env, ctx, vset, exp);
4632N/A if (type != Type.tError) {
4632N/A // "super" is not allowed in this context:
4632N/A env.error(where, "undef.var.super", idSuper);
4632N/A }
4632N/A return vset;
4632N/A }
4632N/A
4632N/A /**
4632N/A * Check if the present name is part of a scoping prefix.
4632N/A */
4632N/A public Vset checkAmbigName(Environment env, Context ctx,
4632N/A Vset vset, Hashtable exp,
4632N/A UnaryExpression loc) {
4632N/A return checkCommon(env, ctx, vset, exp);
4632N/A }
4632N/A
4632N/A /** Common code for checkValue and checkAmbigName */
4632N/A private Vset checkCommon(Environment env, Context ctx, Vset vset, Hashtable exp) {
4632N/A ClassDeclaration superClass = ctx.field.getClassDefinition().getSuperClass();
4632N/A if (superClass == null) {
4632N/A env.error(where, "undef.var", idSuper);
4632N/A type = Type.tError;
4632N/A return vset;
4632N/A }
4632N/A vset = super.checkValue(env, ctx, vset, exp);
4632N/A type = superClass.getType();
4632N/A return vset;
4632N/A }
4632N/A
4632N/A}
4632N/A