Author: tcurdt
Date: Sat Feb 2 11:50:53 2008
New Revision: 617873
URL: http://svn.apache.org/viewvc?rev=617873&view=rev
Log:
forgot to add
Added:
jakarta/bcel/trunk/src/main/java/org/apache/bcel/classfile/StackMapTable.java
(with props)
jakarta/bcel/trunk/src/main/java/org/apache/bcel/classfile/StackMapTableEntry.java
(with props)
Added:
jakarta/bcel/trunk/src/main/java/org/apache/bcel/classfile/StackMapTable.java
URL:
http://svn.apache.org/viewvc/jakarta/bcel/trunk/src/main/java/org/apache/bcel/classfile/StackMapTable.java?rev=617873&view=auto
==============================================================================
---
jakarta/bcel/trunk/src/main/java/org/apache/bcel/classfile/StackMapTable.java
(added)
+++
jakarta/bcel/trunk/src/main/java/org/apache/bcel/classfile/StackMapTable.java
Sat Feb 2 11:50:53 2008
@@ -0,0 +1,153 @@
+/*
+ * Copyright 2000-2004 The Apache Software Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+package org.apache.bcel.classfile;
+
+import java.io.DataInputStream;
+import java.io.DataOutputStream;
+import java.io.IOException;
+import org.apache.bcel.Constants;
+
+/**
+ * This class represents a stack map attribute used for
+ * preverification of Java classes for the <a
+ * href="http://java.sun.com/j2me/";> Java 2 Micro Edition</a>
+ * (J2ME). This attribute is used by the <a
+ * href="http://java.sun.com/products/cldc/";>KVM</a> and contained
+ * within the Code attribute of a method. See CLDC specification
+ * À?5.3.1.2
+ *
+ * @version $Id$
+ * @author <A HREF="mailto:[EMAIL PROTECTED]">M. Dahm</A>
+ * @see Code
+ * @see StackMapEntry
+ * @see StackMapType
+ */
+public final class StackMapTable extends Attribute implements Node {
+
+ private int map_length;
+ private StackMapTableEntry[] map; // Table of stack map entries
+
+
+ /*
+ * @param name_index Index of name
+ * @param length Content length in bytes
+ * @param map Table of stack map entries
+ * @param constant_pool Array of constants
+ */
+ public StackMapTable(int name_index, int length, StackMapTableEntry[] map,
ConstantPool constant_pool) {
+ super(Constants.ATTR_STACK_MAP_TABLE, name_index, length,
constant_pool);
+ setStackMapTable(map);
+ }
+
+
+ /**
+ * Construct object from file stream.
+ * @param name_index Index of name
+ * @param length Content length in bytes
+ * @param file Input stream
+ * @param constant_pool Array of constants
+ * @throws IOException
+ */
+ StackMapTable(int name_index, int length, DataInputStream file,
ConstantPool constant_pool)
+ throws IOException {
+ this(name_index, length, (StackMapTableEntry[]) null, constant_pool);
+ map_length = file.readUnsignedShort();
+ map = new StackMapTableEntry[map_length];
+ for (int i = 0; i < map_length; i++) {
+ map[i] = new StackMapTableEntry(file, constant_pool);
+ }
+ }
+
+
+ /**
+ * Dump line number table attribute to file stream in binary format.
+ *
+ * @param file Output file stream
+ * @throws IOException
+ */
+ public final void dump( DataOutputStream file ) throws IOException {
+ super.dump(file);
+ file.writeShort(map_length);
+ for (int i = 0; i < map_length; i++) {
+ map[i].dump(file);
+ }
+ }
+
+
+ /**
+ * @return Array of stack map entries
+ */
+ public final StackMapTableEntry[] getStackMapTable() {
+ return map;
+ }
+
+
+ /**
+ * @param map Array of stack map entries
+ */
+ public final void setStackMapTable( StackMapTableEntry[] map ) {
+ this.map = map;
+ map_length = (map == null) ? 0 : map.length;
+ }
+
+
+ /**
+ * @return String representation.
+ */
+ public final String toString() {
+ StringBuffer buf = new StringBuffer("StackMapTable(");
+ for (int i = 0; i < map_length; i++) {
+ buf.append(map[i].toString());
+ if (i < map_length - 1) {
+ buf.append(", ");
+ }
+ }
+ buf.append(')');
+ return buf.toString();
+ }
+
+
+ /**
+ * @return deep copy of this attribute
+ */
+ public Attribute copy( ConstantPool _constant_pool ) {
+ StackMapTable c = (StackMapTable) clone();
+ c.map = new StackMapTableEntry[map_length];
+ for (int i = 0; i < map_length; i++) {
+ c.map[i] = map[i].copy();
+ }
+ c.constant_pool = _constant_pool;
+ return c;
+ }
+
+
+ /**
+ * Called by objects that are traversing the nodes of the tree implicitely
+ * defined by the contents of a Java class. I.e., the hierarchy of methods,
+ * fields, attributes, etc. spawns a tree of objects.
+ *
+ * @param v Visitor object
+ */
+ public void accept( Visitor v ) {
+ v.visitStackMapTable(this);
+ }
+
+
+ public final int getMapLength() {
+ return map_length;
+ }
+}
Propchange:
jakarta/bcel/trunk/src/main/java/org/apache/bcel/classfile/StackMapTable.java
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svn:eol-style = native
Propchange:
jakarta/bcel/trunk/src/main/java/org/apache/bcel/classfile/StackMapTable.java
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svn:keywords = Date Revision Author HeadURL Id
Propchange:
jakarta/bcel/trunk/src/main/java/org/apache/bcel/classfile/StackMapTable.java
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svn:mime-type = text/plain
Added:
jakarta/bcel/trunk/src/main/java/org/apache/bcel/classfile/StackMapTableEntry.java
URL:
http://svn.apache.org/viewvc/jakarta/bcel/trunk/src/main/java/org/apache/bcel/classfile/StackMapTableEntry.java?rev=617873&view=auto
==============================================================================
---
jakarta/bcel/trunk/src/main/java/org/apache/bcel/classfile/StackMapTableEntry.java
(added)
+++
jakarta/bcel/trunk/src/main/java/org/apache/bcel/classfile/StackMapTableEntry.java
Sat Feb 2 11:50:53 2008
@@ -0,0 +1,285 @@
+/*
+ * Copyright 2000-2004 The Apache Software Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+package org.apache.bcel.classfile;
+
+import java.io.DataInputStream;
+import java.io.DataOutputStream;
+import java.io.IOException;
+
+import org.apache.bcel.Constants;
+
+/**
+ * This class represents a stack map entry recording the types of
+ * local variables and the the of stack items at a given byte code offset.
+ * See CLDC specification À?5.3.1.2
+ *
+ * @version $Id$
+ * @author <A HREF="mailto:[EMAIL PROTECTED]">M. Dahm</A>
+ * @see StackMap
+ * @see StackMapType
+ */
+public final class StackMapTableEntry implements Cloneable {
+
+ private int frame_type;
+ private int byte_code_offset_delta;
+ private int number_of_locals;
+ private StackMapType[] types_of_locals;
+ private int number_of_stack_items;
+ private StackMapType[] types_of_stack_items;
+ private ConstantPool constant_pool;
+
+
+ /**
+ * Construct object from file stream.
+ * @param file Input stream
+ * @throws IOException
+ */
+ StackMapTableEntry(DataInputStream file, ConstantPool constant_pool)
throws IOException {
+ this(file.read(), -1, -1, null, -1, null, constant_pool);
+
+ if (frame_type >= Constants.SAME_FRAME && frame_type <=
Constants.SAME_FRAME_MAX) {
+ byte_code_offset_delta = frame_type - Constants.SAME_FRAME;
+ } else if (frame_type >= Constants.SAME_LOCALS_1_STACK_ITEM_FRAME &&
frame_type <= Constants.SAME_LOCALS_1_STACK_ITEM_FRAME_MAX) {
+ byte_code_offset_delta = frame_type -
Constants.SAME_LOCALS_1_STACK_ITEM_FRAME;
+ number_of_stack_items = 1;
+ types_of_stack_items = new StackMapType[1];
+ types_of_stack_items[0] = new StackMapType(file, constant_pool);
+ } else if (frame_type ==
Constants.SAME_LOCALS_1_STACK_ITEM_FRAME_EXTENDED) {
+ byte_code_offset_delta = file.readShort();
+ number_of_stack_items = 1;
+ types_of_stack_items = new StackMapType[1];
+ types_of_stack_items[0] = new StackMapType(file, constant_pool);
+ } else if (frame_type >= Constants.CHOP_FRAME && frame_type <=
Constants.CHOP_FRAME_MAX) {
+ byte_code_offset_delta = file.readShort();
+ } else if (frame_type == Constants.SAME_FRAME_EXTENDED) {
+ byte_code_offset_delta = file.readShort();
+ } else if (frame_type >= Constants.APPEND_FRAME && frame_type <=
Constants.APPEND_FRAME_MAX) {
+ byte_code_offset_delta = file.readShort();
+ number_of_locals = frame_type - 251;
+ types_of_locals = new StackMapType[number_of_locals];
+ for (int i = 0; i < number_of_locals; i++) {
+ types_of_locals[i] = new StackMapType(file,
constant_pool);
+ }
+ } else if (frame_type == Constants.FULL_FRAME) {
+ byte_code_offset_delta = file.readShort();
+ number_of_locals = file.readShort();
+ types_of_locals = new StackMapType[number_of_locals];
+ for (int i = 0; i < number_of_locals; i++) {
+ types_of_locals[i] = new StackMapType(file,
constant_pool);
+ }
+ number_of_stack_items = file.readShort();
+ types_of_stack_items = new StackMapType[number_of_stack_items];
+ for (int i = 0; i < number_of_stack_items; i++) {
+ types_of_stack_items[i] = new StackMapType(file,
constant_pool);
+ }
+ } else {
+ /* Can't happen */
+ throw new ClassFormatException ("Illegal Tag");
+ }
+ }
+
+
+ public StackMapTableEntry(int tag, int byte_code_offset_delta, int
number_of_locals,
+ StackMapType[] types_of_locals, int number_of_stack_items,
+ StackMapType[] types_of_stack_items, ConstantPool constant_pool) {
+ this.frame_type = tag;
+ this.byte_code_offset_delta = byte_code_offset_delta;
+ this.number_of_locals = number_of_locals;
+ this.types_of_locals = types_of_locals;
+ this.number_of_stack_items = number_of_stack_items;
+ this.types_of_stack_items = types_of_stack_items;
+ this.constant_pool = constant_pool;
+ }
+
+
+ /**
+ * Dump stack map entry
+ *
+ * @param file Output file stream
+ * @throws IOException
+ */
+ public final void dump( DataOutputStream file ) throws IOException {
+ file.write(frame_type);
+ if (frame_type >= Constants.SAME_LOCALS_1_STACK_ITEM_FRAME &&
frame_type <= Constants.SAME_LOCALS_1_STACK_ITEM_FRAME_MAX) {
+ types_of_stack_items[0].dump(file);
+ } else if (frame_type ==
Constants.SAME_LOCALS_1_STACK_ITEM_FRAME_EXTENDED) {
+ file.write(byte_code_offset_delta);
+ types_of_stack_items[0].dump(file);
+ } else if (frame_type >= Constants.CHOP_FRAME && frame_type <=
Constants.CHOP_FRAME_MAX) {
+ file.write(byte_code_offset_delta);
+ } else if (frame_type == Constants.SAME_FRAME_EXTENDED) {
+ file.write(byte_code_offset_delta);
+ } else if (frame_type >= Constants.APPEND_FRAME && frame_type <=
Constants.APPEND_FRAME_MAX) {
+ file.write(byte_code_offset_delta);
+ for (int i = 0; i < number_of_locals; i++) {
+ types_of_locals[i].dump(file);
+ }
+ } else if (frame_type == Constants.FULL_FRAME) {
+ file.writeShort(byte_code_offset_delta);
+ file.writeShort(number_of_locals);
+ for (int i = 0; i < number_of_locals; i++) {
+ types_of_locals[i].dump(file);
+ }
+ file.writeShort(number_of_stack_items);
+ for (int i = 0; i < number_of_stack_items; i++) {
+ types_of_stack_items[i].dump(file);
+ }
+ } else {
+ /* Can't happen */
+ throw new ClassFormatException ("Illegal Tag");
+ }
+ }
+
+
+ /**
+ * @return String representation.
+ */
+ public final String toString() {
+ StringBuffer buf = new StringBuffer(64);
+ buf.append("(");
+ if (frame_type >= Constants.SAME_FRAME && frame_type <=
Constants.SAME_FRAME_MAX) {
+ buf.append("SAME");
+ } else if (frame_type >= Constants.SAME_LOCALS_1_STACK_ITEM_FRAME &&
frame_type <= Constants.SAME_LOCALS_1_STACK_ITEM_FRAME_MAX) {
+ buf.append("SAME_LOCALS_1_STACK");
+ } else if (frame_type ==
Constants.SAME_LOCALS_1_STACK_ITEM_FRAME_EXTENDED) {
+ buf.append("SAME_LOCALS_1_STACK_EXTENDED");
+ } else if (frame_type >= Constants.CHOP_FRAME && frame_type <=
Constants.CHOP_FRAME_MAX) {
+ buf.append("CHOP "+(251-frame_type));
+ } else if (frame_type == Constants.SAME_FRAME_EXTENDED) {
+ buf.append("SAME_EXTENDED");
+ } else if (frame_type >= Constants.APPEND_FRAME && frame_type <=
Constants.APPEND_FRAME_MAX) {
+ buf.append("APPEND "+(frame_type-251));
+ } else if (frame_type == Constants.FULL_FRAME) {
+ buf.append("FULL");
+ } else {
+ buf.append("UNKNOWN");
+ }
+ buf.append(", offset delta=").append(byte_code_offset_delta);
+ if (number_of_locals > 0) {
+ buf.append(", locals={");
+ for (int i = 0; i < number_of_locals; i++) {
+ buf.append(types_of_locals[i]);
+ if (i < number_of_locals - 1) {
+ buf.append(", ");
+ }
+ }
+ buf.append("}");
+ }
+ if (number_of_stack_items > 0) {
+ buf.append(", stack items={");
+ for (int i = 0; i < number_of_stack_items; i++) {
+ buf.append(types_of_stack_items[i]);
+ if (i < number_of_stack_items - 1) {
+ buf.append(", ");
+ }
+ }
+ buf.append("}");
+ }
+ buf.append(")");
+ return buf.toString();
+ }
+
+
+ public void setByteCodeOffsetDelta( int b ) {
+ byte_code_offset_delta = b;
+ }
+
+
+ public int getByteCodeOffsetDelta() {
+ return byte_code_offset_delta;
+ }
+
+
+ public void setNumberOfLocals( int n ) {
+ number_of_locals = n;
+ }
+
+
+ public int getNumberOfLocals() {
+ return number_of_locals;
+ }
+
+
+ public void setTypesOfLocals( StackMapType[] t ) {
+ types_of_locals = t;
+ }
+
+
+ public StackMapType[] getTypesOfLocals() {
+ return types_of_locals;
+ }
+
+
+ public void setNumberOfStackItems( int n ) {
+ number_of_stack_items = n;
+ }
+
+
+ public int getNumberOfStackItems() {
+ return number_of_stack_items;
+ }
+
+
+ public void setTypesOfStackItems( StackMapType[] t ) {
+ types_of_stack_items = t;
+ }
+
+
+ public StackMapType[] getTypesOfStackItems() {
+ return types_of_stack_items;
+ }
+
+
+ /**
+ * @return deep copy of this object
+ */
+ public StackMapTableEntry copy() {
+ try {
+ return (StackMapTableEntry) clone();
+ } catch (CloneNotSupportedException e) {
+ }
+ return null;
+ }
+
+
+ /**
+ * Called by objects that are traversing the nodes of the tree implicitely
+ * defined by the contents of a Java class. I.e., the hierarchy of methods,
+ * fields, attributes, etc. spawns a tree of objects.
+ *
+ * @param v Visitor object
+ */
+ public void accept( Visitor v ) {
+ v.visitStackMapTableEntry(this);
+ }
+
+
+ /**
+ * @return Constant pool used by this object.
+ */
+ public final ConstantPool getConstantPool() {
+ return constant_pool;
+ }
+
+
+ /**
+ * @param constant_pool Constant pool to be used for this object.
+ */
+ public final void setConstantPool( ConstantPool constant_pool ) {
+ this.constant_pool = constant_pool;
+ }
+}
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Propchange:
jakarta/bcel/trunk/src/main/java/org/apache/bcel/classfile/StackMapTableEntry.java
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svn:keywords = Date Revision Author HeadURL Id
Propchange:
jakarta/bcel/trunk/src/main/java/org/apache/bcel/classfile/StackMapTableEntry.java
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svn:mime-type = text/plain
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