0N/A/*
0N/A * Copyright (c) 1994, 2003, Oracle and/or its affiliates. All rights reserved.
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
0N/A * published by the Free Software Foundation. Oracle designates this
0N/A * particular file as subject to the "Classpath" exception as provided
0N/A * by Oracle in the LICENSE file that accompanied this code.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
873N/A * 2 along with this work; if not, write to the Free Software Foundation,
0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0N/A *
0N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
0N/A * or visit www.oracle.com if you need additional information or have any
0N/A * questions.
673N/A */
0N/A
0N/Apackage sun.tools.tree;
0N/A
0N/Aimport sun.tools.java.*;
0N/Aimport sun.tools.asm.Assembler;
0N/Aimport java.util.Hashtable;
0N/A
0N/A/**
0N/A * WARNING: The contents of this source file are not part of any
0N/A * supported API. Code that depends on them does so at its own risk:
0N/A * they are subject to change or removal without notice.
0N/A */
723N/Apublic
0N/Aclass LengthExpression extends UnaryExpression {
0N/A /**
723N/A * Constructor
0N/A */
723N/A public LengthExpression(long where, Expression right) {
0N/A super(LENGTH, where, Type.tInt, right);
0N/A }
723N/A
0N/A /**
0N/A * Select the type of the expression
1040N/A */
1040N/A public Vset checkValue(Environment env, Context ctx, Vset vset, Hashtable exp) {
1040N/A vset = right.checkValue(env, ctx, vset, exp);
1040N/A if (!right.type.isType(TC_ARRAY)) {
0N/A env.error(where, "invalid.length", right.type);
0N/A }
723N/A return vset;
1040N/A }
1040N/A
1040N/A /**
1040N/A * Code
1040N/A */
1040N/A public void codeValue(Environment env, Context ctx, Assembler asm) {
1040N/A right.codeValue(env, ctx, asm);
1040N/A asm.add(where, opc_arraylength);
1040N/A }
1040N/A}
1040N/A