/*
* 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.
*/
public
class 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(")");
}
}