changeset 5725:b07fab75ae1b

removed unused JniMangle class
author Doug Simon <doug.simon@oracle.com>
date Thu, 28 Jun 2012 13:58:31 +0200
parents 7a179a6be9ba
children 4e5828456c28
files graal/com.oracle.max.criutils/src/com/oracle/max/criutils/JniMangle.java
diffstat 1 files changed, 0 insertions(+), 100 deletions(-) [+]
line wrap: on
line diff
--- a/graal/com.oracle.max.criutils/src/com/oracle/max/criutils/JniMangle.java	Thu Jun 28 13:55:59 2012 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,100 +0,0 @@
-/*
- * Copyright (c) 2007, 2011, 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.
- *
- * 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 com.oracle.max.criutils;
-
-import com.oracle.graal.api.meta.*;
-
-/**
- * A utility for mangling Java method name and signatures into C function names.
- *
- * @see "http://java.sun.com/j2se/1.5.0/docs/guide/jni/spec/design.html#wp615"
- */
-public final class JniMangle {
-
-    private JniMangle() {
-    }
-
-    /**
-     * Mangles a given string such that it can be represented as (part of) a valid C function name.
-     */
-    private static String mangle(String name) {
-        final StringBuilder mangledName = new StringBuilder(100);
-        final int length = name.length();
-        for (int i = 0; i < length; i++) {
-            final char ch = name.charAt(i);
-            if (isAlphaNumeric(ch)) {
-                mangledName.append(ch);
-            } else if (ch == '_') {
-                mangledName.append("_1");
-            } else if (ch == '.') {
-                mangledName.append("_");
-            } else if (ch == ';') {
-                mangledName.append("_2");
-            } else if (ch == '[') {
-                mangledName.append("_3");
-            } else {
-                mangledName.append(String.format("%04x", (int) ch));
-            }
-        }
-        return mangledName.toString();
-    }
-
-    /**
-     * The delimiter in the string returned by {@link #mangleMethod(ResolvedJavaType, String, Signature, boolean)} separating
-     * the short mangled form from the suffix to be added to obtain the long mangled form.
-     */
-    public static final char LONG_NAME_DELIMITER = ' ';
-
-    /**
-     * Mangles a Java method to the symbol(s) to be used when binding it to a native function.
-     * If {@code signature} is {@code null}, then a non-qualified symbol is returned.
-     * Otherwise, a qualified symbol is returned. A qualified symbol has its non-qualified
-     * prefix separated from its qualifying suffix by {@link #LONG_NAME_DELIMITER} if
-     * {@code splitSuffix} is {@code true}.
-     *
-     * @param declaringClass a fully qualified class descriptor
-     * @param name a Java method name (not checked here for validity)
-     * @param signature if non-null, a method signature to include in the mangled name
-     * @param splitSuffix determines if {@link #LONG_NAME_DELIMITER} should be used as described above
-     * @return the symbol for the C function as described above
-     */
-    public static String mangleMethod(ResolvedJavaType declaringClass, String name, Signature signature, boolean splitSuffix) {
-        final StringBuilder result = new StringBuilder(100);
-        final String declaringClassName = MetaUtil.toJavaName(declaringClass);
-        result.append("Java_").append(mangle(declaringClassName)).append('_').append(mangle(name));
-        if (signature != null) {
-            if (splitSuffix) {
-                result.append(LONG_NAME_DELIMITER);
-            }
-            result.append("__");
-            final String sig = signature.asString();
-            final String parametersSignature = sig.substring(1, sig.lastIndexOf(')')).replace('/', '.').replace('$', '.');
-            result.append(mangle(parametersSignature));
-        }
-        return result.toString();
-    }
-
-    private static boolean isAlphaNumeric(char ch) {
-        return (ch >= 'A' && ch <= 'Z') || (ch >= 'a' && ch <= 'z') || (ch >= '0' && ch <= '9');
-    }
-}