--- old/langtools/src/jdk.compiler/share/classes/com/sun/tools/classfile/Code_attribute.java 2015-05-26 21:42:18.895832815 -0700 +++ /dev/null 2015-04-26 22:05:36.465433038 -0700 @@ -1,159 +0,0 @@ -/* - * Copyright (c) 2007, 2013, 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.classfile; - -import java.io.IOException; -import java.util.Iterator; -import java.util.NoSuchElementException; - -/** - * See JVMS, section 4.8.3. - * - *
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.
- */
-public class Code_attribute extends Attribute {
- public static class InvalidIndex extends AttributeException {
- private static final long serialVersionUID = -8904527774589382802L;
- InvalidIndex(int index) {
- this.index = index;
- }
-
- @Override
- public String getMessage() {
- // i18n
- return "invalid index " + index + " in Code attribute";
- }
-
- public final int index;
- }
-
- Code_attribute(ClassReader cr, int name_index, int length)
- throws IOException, ConstantPoolException {
- super(name_index, length);
- max_stack = cr.readUnsignedShort();
- max_locals = cr.readUnsignedShort();
- code_length = cr.readInt();
- code = new byte[code_length];
- cr.readFully(code);
- exception_table_length = cr.readUnsignedShort();
- exception_table = new Exception_data[exception_table_length];
- for (int i = 0; i < exception_table_length; i++)
- exception_table[i] = new Exception_data(cr);
- attributes = new Attributes(cr);
- }
-
- public int getByte(int offset) throws InvalidIndex {
- if (offset < 0 || offset >= code.length)
- throw new InvalidIndex(offset);
- return code[offset];
- }
-
- public int getUnsignedByte(int offset) throws InvalidIndex {
- if (offset < 0 || offset >= code.length)
- throw new InvalidIndex(offset);
- return code[offset] & 0xff;
- }
-
- public int getShort(int offset) throws InvalidIndex {
- if (offset < 0 || offset + 1 >= code.length)
- throw new InvalidIndex(offset);
- return (code[offset] << 8) | (code[offset + 1] & 0xFF);
- }
-
- public int getUnsignedShort(int offset) throws InvalidIndex {
- if (offset < 0 || offset + 1 >= code.length)
- throw new InvalidIndex(offset);
- return ((code[offset] << 8) | (code[offset + 1] & 0xFF)) & 0xFFFF;
- }
-
- public int getInt(int offset) throws InvalidIndex {
- if (offset < 0 || offset + 3 >= code.length)
- throw new InvalidIndex(offset);
- return (getShort(offset) << 16) | (getShort(offset + 2) & 0xFFFF);
- }
-
- public 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.
+ */
+public class Code_attribute extends Attribute {
+ public static class InvalidIndex extends AttributeException {
+ private static final long serialVersionUID = -8904527774589382802L;
+ InvalidIndex(int index) {
+ this.index = index;
+ }
+
+ @Override
+ public String getMessage() {
+ // i18n
+ return "invalid index " + index + " in Code attribute";
+ }
+
+ public final int index;
+ }
+
+ Code_attribute(ClassReader cr, int name_index, int length)
+ throws IOException, ConstantPoolException {
+ super(name_index, length);
+ max_stack = cr.readUnsignedShort();
+ max_locals = cr.readUnsignedShort();
+ code_length = cr.readInt();
+ code = new byte[code_length];
+ cr.readFully(code);
+ exception_table_length = cr.readUnsignedShort();
+ exception_table = new Exception_data[exception_table_length];
+ for (int i = 0; i < exception_table_length; i++)
+ exception_table[i] = new Exception_data(cr);
+ attributes = new Attributes(cr);
+ }
+
+ public int getByte(int offset) throws InvalidIndex {
+ if (offset < 0 || offset >= code.length)
+ throw new InvalidIndex(offset);
+ return code[offset];
+ }
+
+ public int getUnsignedByte(int offset) throws InvalidIndex {
+ if (offset < 0 || offset >= code.length)
+ throw new InvalidIndex(offset);
+ return code[offset] & 0xff;
+ }
+
+ public int getShort(int offset) throws InvalidIndex {
+ if (offset < 0 || offset + 1 >= code.length)
+ throw new InvalidIndex(offset);
+ return (code[offset] << 8) | (code[offset + 1] & 0xFF);
+ }
+
+ public int getUnsignedShort(int offset) throws InvalidIndex {
+ if (offset < 0 || offset + 1 >= code.length)
+ throw new InvalidIndex(offset);
+ return ((code[offset] << 8) | (code[offset + 1] & 0xFF)) & 0xFFFF;
+ }
+
+ public int getInt(int offset) throws InvalidIndex {
+ if (offset < 0 || offset + 3 >= code.length)
+ throw new InvalidIndex(offset);
+ return (getShort(offset) << 16) | (getShort(offset + 2) & 0xFFFF);
+ }
+
+ public