--- a/src/jdk.compiler/share/classes/com/sun/tools/javah/Mangle.java Mon Dec 11 16:43:11 2017 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,189 +0,0 @@
-/*
- * Copyright (c) 2002, 2012, 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 com.sun.tools.javah;
-
-import javax.lang.model.element.ExecutableElement;
-import javax.lang.model.element.TypeElement;
-import javax.lang.model.element.VariableElement;
-import javax.lang.model.util.Elements;
-import javax.lang.model.util.Types;
-
-/**
- * A utility for mangling java identifiers into C names. Should make
- * this more fine grained and distribute the functionality to the
- * generators.
- *
- * <p><b>This is NOT part of any supported API.
- * If you write code that depends on this, you do so at your own
- * risk. This code and its internal interfaces are subject to change
- * or deletion without notice.</b></p>
- *
- * @author Sucheta Dambalkar(Revised)
- */
-public class Mangle {
-
- public static class Type {
- public static final int CLASS = 1;
- public static final int FIELDSTUB = 2;
- public static final int FIELD = 3;
- public static final int JNI = 4;
- public static final int SIGNATURE = 5;
- public static final int METHOD_JDK_1 = 6;
- public static final int METHOD_JNI_SHORT = 7;
- public static final int METHOD_JNI_LONG = 8;
- }
-
- private Elements elems;
- private Types types;
-
- Mangle(Elements elems, Types types) {
- this.elems = elems;
- this.types = types;
- }
-
- public final String mangle(CharSequence name, int mtype) {
- StringBuilder result = new StringBuilder(100);
- int length = name.length();
-
- for (int i = 0; i < length; i++) {
- char ch = name.charAt(i);
- if (isalnum(ch)) {
- result.append(ch);
- } else if ((ch == '.') &&
- mtype == Mangle.Type.CLASS) {
- result.append('_');
- } else if (( ch == '$') &&
- mtype == Mangle.Type.CLASS) {
- result.append('_');
- result.append('_');
- } else if (ch == '_' && mtype == Mangle.Type.FIELDSTUB) {
- result.append('_');
- } else if (ch == '_' && mtype == Mangle.Type.CLASS) {
- result.append('_');
- } else if (mtype == Mangle.Type.JNI) {
- String esc = null;
- if (ch == '_')
- esc = "_1";
- else if (ch == '.')
- esc = "_";
- else if (ch == ';')
- esc = "_2";
- else if (ch == '[')
- esc = "_3";
- if (esc != null) {
- result.append(esc);
- } else {
- result.append(mangleChar(ch));
- }
- } else if (mtype == Mangle.Type.SIGNATURE) {
- if (isprint(ch)) {
- result.append(ch);
- } else {
- result.append(mangleChar(ch));
- }
- } else {
- result.append(mangleChar(ch));
- }
- }
-
- return result.toString();
- }
-
- public String mangleMethod(ExecutableElement method, TypeElement clazz,
- int mtype) throws TypeSignature.SignatureException {
- StringBuilder result = new StringBuilder(100);
- result.append("Java_");
-
- if (mtype == Mangle.Type.METHOD_JDK_1) {
- result.append(mangle(clazz.getQualifiedName(), Mangle.Type.CLASS));
- result.append('_');
- result.append(mangle(method.getSimpleName(),
- Mangle.Type.FIELD));
- result.append("_stub");
- return result.toString();
- }
-
- /* JNI */
- result.append(mangle(getInnerQualifiedName(clazz), Mangle.Type.JNI));
- result.append('_');
- result.append(mangle(method.getSimpleName(),
- Mangle.Type.JNI));
- if (mtype == Mangle.Type.METHOD_JNI_LONG) {
- result.append("__");
- String typesig = signature(method);
- TypeSignature newTypeSig = new TypeSignature(elems);
- String sig = newTypeSig.getTypeSignature(typesig, method.getReturnType());
- sig = sig.substring(1);
- sig = sig.substring(0, sig.lastIndexOf(')'));
- sig = sig.replace('/', '.');
- result.append(mangle(sig, Mangle.Type.JNI));
- }
-
- return result.toString();
- }
- //where
- private String getInnerQualifiedName(TypeElement clazz) {
- return elems.getBinaryName(clazz).toString();
- }
-
- public final String mangleChar(char ch) {
- String s = Integer.toHexString(ch);
- int nzeros = 5 - s.length();
- char[] result = new char[6];
- result[0] = '_';
- for (int i = 1; i <= nzeros; i++)
- result[i] = '0';
- for (int i = nzeros+1, j = 0; i < 6; i++, j++)
- result[i] = s.charAt(j);
- return new String(result);
- }
-
- // Warning: duplicated in Gen
- private String signature(ExecutableElement e) {
- StringBuilder sb = new StringBuilder();
- String sep = "(";
- for (VariableElement p: e.getParameters()) {
- sb.append(sep);
- sb.append(types.erasure(p.asType()).toString());
- sep = ",";
- }
- sb.append(")");
- return sb.toString();
- }
-
- /* Warning: Intentional ASCII operation. */
- private static boolean isalnum(char ch) {
- return ch <= 0x7f && /* quick test */
- ((ch >= 'A' && ch <= 'Z') ||
- (ch >= 'a' && ch <= 'z') ||
- (ch >= '0' && ch <= '9'));
- }
-
- /* Warning: Intentional ASCII operation. */
- private static boolean isprint(char ch) {
- return ch >= 32 && ch <= 126;
- }
-}