/* * 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.Label;import sun.tools.asm.Assembler;import java.io.PrintStream;import java.util.Vector; /** * 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. */publicclass InlineNewInstanceExpression extends Expression {    MemberDefinition field;    Statement body;     /**     * Constructor     */    InlineNewInstanceExpression(long where, Type type, MemberDefinition field, Statement body) {        super(INLINENEWINSTANCE, where, type);        this.field = field;        this.body = body;    }    /**     * Inline     */    public Expression inline(Environment env, Context ctx) {        return inlineValue(env, ctx);    }    public Expression inlineValue(Environment env, Context ctx) {        if (body != null) {            LocalMember v = (LocalMember)field.getArguments().elementAt(0);            Context newctx = new Context(ctx, this);            newctx.declare(env, v);            body = body.inline(env, newctx);        }        if ((body != null) && (body.op == INLINERETURN)) {            body = null;        }        return this;    }     /**     * Create a copy of the expression for method inlining     */    public Expression copyInline(Context ctx) {        InlineNewInstanceExpression e = (InlineNewInstanceExpression)clone();        e.body = body.copyInline(ctx, true);        return e;    }     /**     * Code     */    public void code(Environment env, Context ctx, Assembler asm) {        codeCommon(env, ctx, asm, false);    }    public void codeValue(Environment env, Context ctx, Assembler asm) {        codeCommon(env, ctx, asm, true);    }    private void codeCommon(Environment env, Context ctx, Assembler asm,                            boolean forValue) {        asm.add(where, opc_new, field.getClassDeclaration());        if (body != null) {            LocalMember v = (LocalMember)field.getArguments().elementAt(0);            CodeContext newctx = new CodeContext(ctx, this);            newctx.declare(env, v);            asm.add(where, opc_astore, new Integer(v.number));            body.code(env, newctx, asm);            asm.add(newctx.breakLabel);            if (forValue) {                asm.add(where, opc_aload, new Integer(v.number));            }        }    }     /**     * Print     */    public void print(PrintStream out) {        LocalMember v = (LocalMember)field.getArguments().elementAt(0);        out.println("(" + opNames[op] + "#" + v.hashCode() + "=" + field.hashCode());        if (body != null) {            body.print(out, 1);        } else {            out.print("<empty>");        }        out.print(")");    }}