/*
* 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 sun.tools.asm.ArrayData;
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 NewArrayExpression extends NaryExpression {
Expression init;
/**
* Constructor
*/
public NewArrayExpression(long where, Expression right, Expression args[]) {
super(NEWARRAY, where, Type.tError, right, args);
}
public NewArrayExpression(long where, Expression right, Expression args[], Expression init) {
this(where, right, args);
this.init = init;
}
/**
* Check
*/
public Vset checkValue(Environment env, Context ctx, Vset vset, Hashtable<Object, Object> exp) {
type = right.toType(env, ctx);
boolean flag = (init != null); // flag says that dims are forbidden
for (int i = 0 ; i < args.length ; i++) {
Expression dim = args[i];
if (dim == null) {
if (i == 0 && !flag) {
env.error(where, "array.dim.missing");
}
flag = true;
} else {
if (flag) {
env.error(dim.where, "invalid.array.dim");
}
vset = dim.checkValue(env, ctx, vset, exp);
args[i] = convert(env, ctx, Type.tInt, dim);
}
type = Type.tArray(type);
}
if (init != null) {
vset = init.checkInitializer(env, ctx, vset, type, exp);
init = convert(env, ctx, type, init);
}
return vset;
}
public Expression copyInline(Context ctx) {
NewArrayExpression e = (NewArrayExpression)super.copyInline(ctx);
if (init != null) {
e.init = init.copyInline(ctx);
}
return e;
}
/**
* Inline
*/
public Expression inline(Environment env, Context ctx) {
Expression e = null;
for (int i = 0 ; i < args.length ; i++) {
if (args[i] != null) {
e = (e != null) ? new CommaExpression(where, e, args[i]) : args[i];
}
}
if (init != null)
e = (e != null) ? new CommaExpression(where, e, init) : init;
return (e != null) ? e.inline(env, ctx) : null;
}
public Expression inlineValue(Environment env, Context ctx) {
if (init != null)
return init.inlineValue(env, ctx); // args are all null
for (int i = 0 ; i < args.length ; i++) {
if (args[i] != null) {
args[i] = args[i].inlineValue(env, ctx);
}
}
return this;
}
/**
* Code
*/
public void codeValue(Environment env, Context ctx, Assembler asm) {
int t = 0;
for (int i = 0 ; i < args.length ; i++) {
if (args[i] != null) {
args[i].codeValue(env, ctx, asm);
t++;
}
}
if (args.length > 1) {
asm.add(where, opc_multianewarray, new ArrayData(type, t));
return;
}
switch (type.getElementType().getTypeCode()) {
case TC_BOOLEAN:
asm.add(where, opc_newarray, T_BOOLEAN); break;
case TC_BYTE:
asm.add(where, opc_newarray, T_BYTE); break;
case TC_SHORT:
asm.add(where, opc_newarray, T_SHORT); break;
case TC_CHAR:
asm.add(where, opc_newarray, T_CHAR); break;
case TC_INT:
asm.add(where, opc_newarray, T_INT); break;
case TC_LONG:
/**代码未完, 请加载全部代码(NowJava.com).**/