Mon, 26 Mar 2012 15:27:51 +0100
7151580: Separate DA/DU logic from exception checking logic in Flow.java
Summary: DA/DU analysis and exception checking analysis should live in two separate tree visitors
Reviewed-by: gafter, dlsmith, jjg
1 /*
2 * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
26 package com.sun.tools.javah;
28 import java.io.PrintWriter;
29 import java.nio.charset.Charset;
30 import javax.tools.DiagnosticListener;
31 import javax.tools.JavaFileObject;
33 import com.sun.tools.javac.file.JavacFileManager;
34 import com.sun.tools.javac.util.Context;
36 /**
37 * javah's implementation of JavaFileManager.
38 *
39 * <p><b>This is NOT part of any supported API.
40 * If you write code that depends on this, you do so at your own risk.
41 * This code and its internal interfaces are subject to change or
42 * deletion without notice.</b>
43 */
44 class JavahFileManager extends JavacFileManager {
45 private JavahFileManager(Context context, Charset charset) {
46 super(context, true, charset);
47 setIgnoreSymbolFile(true);
48 }
50 static JavahFileManager create(final DiagnosticListener<? super JavaFileObject> dl, PrintWriter log) {
51 Context javac_context = new Context();
53 if (dl != null)
54 javac_context.put(DiagnosticListener.class, dl);
55 javac_context.put(com.sun.tools.javac.util.Log.outKey, log);
57 return new JavahFileManager(javac_context, null);
58 }
60 void setIgnoreSymbolFile(boolean b) {
61 ignoreSymbolFile = b;
62 }
63 }