Nested and Inner Type Summary

Modifier and Type	Class and Description
pack-priv static class	CodeAttribute.LdcEntry
public static class	CodeAttribute.RuntimeCopyException An exception that may be thrown by `copy()` in `CodeAttribute`.

Field Summary

Modifier and Type	Field and Description
private List<AttributeInfo>	attributes
private ExceptionTable	exceptions
private int	maxLocals
private int	maxStack
public static final String	tag The name of this attribute `"Code"`.

Inherited from javassist.bytecode.AttributeInfo:: constPool info name

Constructor Summary

Access	Constructor and Description
public	CodeAttribute(ConstPool constant pool table cp, int `max_stack` stack, int `max_locals` locals, byte[] `code[]` code, ExceptionTable `exception_table[]` etable) Constructs a `Code_attribute`.
private	CodeAttribute(ConstPool constant pool table. cp, CodeAttribute source Code attribute. src, Map<String, String> pairs of replaced and substituted class names. classnames) Constructs a copy of `Code_attribute`.
pack-priv	CodeAttribute(ConstPool cp, int name_id, DataInputStream in)

Method Summary

Modifier and Type	Method and Description
public int	Returns: the newly computed value of `max_stack` computeMaxStack() Computes the maximum stack size and sets `max_stack` to the computed size.
public AttributeInfo	Returns: `CodeAttribute` object. copy(ConstPool the constant pool table used by the new copy. newCp, Map<String, String> pairs of replaced and substituted class names. classnames) Overrides javassist.bytecode.AttributeInfo.copy. Makes a copy.
private byte[]	copyCode(ConstPool destCp, Map<String, String> classnames, ExceptionTable etable, CodeAttribute destCa) Copies code.
private static CodeAttribute.LdcEntry	copyCode(byte[] code, int beginPos, int endPos, ConstPool srcCp, byte[] newcode, ConstPool destCp, Map<String, String> classnameMap)
private static void	copyConstPoolInfo(int i, byte[] code, ConstPool srcCp, byte[] newcode, ConstPool destCp, Map<String, String> classnameMap)
public byte[]	get() Overrides javassist.bytecode.AttributeInfo.get. This method is not available.
public AttributeInfo	Returns: an `AttributeInfo` object or null. getAttribute(String attribute name name) Returns the attribute with the specified name.
public List<AttributeInfo>	getAttributes() Returns `attributes[]`.
public byte[]	getCode() Returns `code[]`.
public int	getCodeLength() Returns `code_length`.
public String	getDeclaringClass() Returns the name of the class declaring the method including this code attribute.
public ExceptionTable	getExceptionTable() Returns `exception_table[]`.
public int	getMaxLocals() Returns `max_locals`.
public int	getMaxStack() Returns `max_stack`.
pack-priv void	getRefClasses(Map<String, String> classnames) Overrides javassist.bytecode.AttributeInfo.getRefClasses.
public void	insertLocalVar(int the index of the new parameter. where, int the type size of the new parameter (1 or 2). size) Changes the index numbers of the local variables to append a new parameter.
public CodeIterator	iterator() Makes a new iterator for reading this code attribute.
public int	length() Overrides javassist.bytecode.AttributeInfo.length. Returns the length of this `attribute_info` structure.
pack-priv void	renameClass(String oldname, String newname) Overrides javassist.bytecode.AttributeInfo.renameClass.
pack-priv void	renameClass(Map<String, String> classnames) Overrides javassist.bytecode.AttributeInfo.renameClass.
public void	set(byte[] newinfo) Overrides javassist.bytecode.AttributeInfo.set. This method is not available.
public void	setAttribute(StackMapTable the stack map table added to this code attribute. If it is null, a new stack map is not added. Only the old stack map is removed. smt) Adds a stack map table.
public void	setAttribute(StackMap the stack map table added to this code attribute. If it is null, a new stack map is not added. Only the old stack map is removed. sm) Adds a stack map table for J2ME (CLDC).
pack-priv void	setCode(byte[] newinfo) Sets `code[]`.
public void	setMaxLocals(int value) Sets `max_locals`.
public void	setMaxStack(int value) Sets `max_stack`.
private static void	shiftIndex(CodeIterator ci, int If the index of the local variable is less than this value, it does not change. Otherwise, the index is increased. lessThan, int the indexes of the local variables are increased by this value. delta)
private static void	shiftIndex0(CodeIterator ci, int index, int opcode, int lessThan, int delta, int opcode_i_0, int opcode_i)
private static void	shiftIndex8(CodeIterator ci, int index, int opcode, int lessThan, int delta)
pack-priv void	write(DataOutputStream out) Overrides javassist.bytecode.AttributeInfo.write.

Inherited from javassist.bytecode.AttributeInfo:: copyAll getConstPool getLength getName getRefClasses lookup read remove renameClass renameClass writeAll

Field Detail

attributes	back to summary
private List<AttributeInfo> attributes

exceptions	back to summary
private ExceptionTable exceptions

maxLocals	back to summary
private int maxLocals

maxStack	back to summary
private int maxStack

tag	back to summary
public static final String tag The name of this attribute `"Code"`.

Constructor Detail

CodeAttribute back to summary

CodeAttribute	back to summary
public CodeAttribute(ConstPool cp, int stack, int locals, byte[] code, ExceptionTable etable) Constructs a `Code_attribute`. Parameters cp:ConstPool constant pool table stack:int `max_stack` locals:int `max_locals` code:byte[] `code[]` etable:ExceptionTable `exception_table[]`

public CodeAttribute(ConstPool cp, int stack, int locals, byte[] code, ExceptionTable etable)

Constructs a Code_attribute.

Parameters

cp:ConstPool: constant pool table
stack:int: max_stack
locals:int: max_locals
code:byte[]: code[]
etable:ExceptionTable: exception_table[]

CodeAttribute back to summary

CodeAttribute	back to summary
private CodeAttribute(ConstPool cp, CodeAttribute src, Map<String, String> classnames) throws BadBytecode Constructs a copy of `Code_attribute`. Specified class names are replaced during the copy. Parameters cp:ConstPool constant pool table. src:CodeAttribute source Code attribute. classnames:Map<String, String> pairs of replaced and substituted class names.

private CodeAttribute(ConstPool cp, CodeAttribute src, Map<String, String> classnames) throws BadBytecode

Constructs a copy of Code_attribute. Specified class names are replaced during the copy.

Parameters

cp:ConstPool: constant pool table.
src:CodeAttribute: source Code attribute.
classnames:Map<String, String>: pairs of replaced and substituted class names.

CodeAttribute	back to summary
pack-priv CodeAttribute(ConstPool cp, int name_id, DataInputStream in) throws IOException

Method Detail

computeMaxStack back to summary

computeMaxStack	back to summary
public int computeMaxStack() throws BadBytecode Computes the maximum stack size and sets `max_stack` to the computed size. Returns:int the newly computed value of `max_stack` Exceptions BadBytecode: if this method fails in computing.

public int computeMaxStack() throws BadBytecode

Computes the maximum stack size and sets max_stack to the computed size.

Returns:int

the newly computed value of max_stack

Exceptions

BadBytecode:: if this method fails in computing.

copy back to summary

copy	back to summary
public AttributeInfo copy(ConstPool newCp, Map<String, String> classnames) throws RuntimeCopyException Overrides javassist.bytecode.AttributeInfo.copy. Makes a copy. Class names are replaced according to the given `Map` object. Parameters newCp:ConstPool the constant pool table used by the new copy. classnames:Map<String, String> pairs of replaced and substituted class names. Returns:AttributeInfo `CodeAttribute` object. Annotations @Override Exceptions RuntimeCopyException: if a `BadBytecode` exception is thrown, it is converted into `RuntimeCopyException`.

public AttributeInfo copy(ConstPool newCp, Map<String, String> classnames) throws RuntimeCopyException

Overrides javassist.bytecode.AttributeInfo.copy.

Makes a copy. Class names are replaced according to the given Map object.

Parameters

newCp:ConstPool: the constant pool table used by the new copy.
classnames:Map<String, String>: pairs of replaced and substituted class names.

Returns:AttributeInfo

CodeAttribute object.

Annotations

@Override

Exceptions

RuntimeCopyException:: if a BadBytecode exception is thrown, it is converted into RuntimeCopyException.

copyCode	back to summary
private byte[] copyCode(ConstPool destCp, Map<String, String> classnames, ExceptionTable etable, CodeAttribute destCa) throws BadBytecode Copies code.

copyCode	back to summary
private static CodeAttribute.LdcEntry copyCode(byte[] code, int beginPos, int endPos, ConstPool srcCp, byte[] newcode, ConstPool destCp, Map<String, String> classnameMap) throws BadBytecode

copyConstPoolInfo	back to summary
private static void copyConstPoolInfo(int i, byte[] code, ConstPool srcCp, byte[] newcode, ConstPool destCp, Map<String, String> classnameMap)

get	back to summary
public byte[] get() Overrides javassist.bytecode.AttributeInfo.get. This method is not available. Annotations @Override Exceptions UnsupportedOperationException: always thrown.

get

back to summary

public byte[] get()

Overrides javassist.bytecode.AttributeInfo.get.

This method is not available.

Annotations

@Override

Exceptions

UnsupportedOperationException:: always thrown.

getAttribute back to summary

getAttribute	back to summary
public AttributeInfo getAttribute(String name) Returns the attribute with the specified name. If it is not found, this method returns null. Parameters name:String attribute name Returns:AttributeInfo an `AttributeInfo` object or null.

public AttributeInfo getAttribute(String name)

Returns the attribute with the specified name. If it is not found, this method returns null.

Parameters

name:String: attribute name

Returns:AttributeInfo

an AttributeInfo object or null.

getAttributes back to summary

getAttributes	back to summary
public List<AttributeInfo> getAttributes() Returns `attributes[]`. It returns a list of `AttributeInfo`. A new element can be added to the returned list and an existing element can be removed from the list. See Also `AttributeInfo`

public List<AttributeInfo> getAttributes()

Returns attributes[]. It returns a list of AttributeInfo. A new element can be added to the returned list and an existing element can be removed from the list.

See Also: AttributeInfo

getCode	back to summary
public byte[] getCode() Returns `code[]`.

getCodeLength	back to summary
public int getCodeLength() Returns `code_length`.

getDeclaringClass	back to summary
public String getDeclaringClass() Returns the name of the class declaring the method including this code attribute.

getExceptionTable	back to summary
public ExceptionTable getExceptionTable() Returns `exception_table[]`.

getMaxLocals	back to summary
public int getMaxLocals() Returns `max_locals`.

getMaxStack	back to summary
public int getMaxStack() Returns `max_stack`.

getRefClasses	back to summary
pack-priv void getRefClasses(Map<String, String> classnames) Overrides javassist.bytecode.AttributeInfo.getRefClasses. Annotations @Override

getRefClasses

back to summary

pack-priv void getRefClasses(Map<String, String> classnames)

Overrides javassist.bytecode.AttributeInfo.getRefClasses.

Annotations

@Override

insertLocalVar back to summary

insertLocalVar	back to summary
public void insertLocalVar(int where, int size) throws BadBytecode Changes the index numbers of the local variables to append a new parameter. This method does not update `LocalVariableAttribute`, `LocalVariableTypeAttribute`, `StackMapTable`, or `StackMap`. These attributes must be explicitly updated. Parameters where:int the index of the new parameter. size:int the type size of the new parameter (1 or 2). See Also `LocalVariableAttribute#shiftIndex(int, int)`, `LocalVariableTypeAttribute#shiftIndex(int, int)`, `StackMapTable#insertLocal(int, int, int)`, `StackMap#insertLocal(int, int, int)`

public void insertLocalVar(int where, int size) throws BadBytecode

Changes the index numbers of the local variables to append a new parameter. This method does not update LocalVariableAttribute, LocalVariableTypeAttribute, StackMapTable, or StackMap. These attributes must be explicitly updated.

Parameters

where:int: the index of the new parameter.
size:int: the type size of the new parameter (1 or 2).

iterator	back to summary
public CodeIterator iterator() Makes a new iterator for reading this code attribute.

length back to summary

length	back to summary
public int length() Overrides javassist.bytecode.AttributeInfo.length. Returns the length of this `attribute_info` structure. The returned value is `attribute_length + 6`. Annotations @Override

public int length()

Overrides javassist.bytecode.AttributeInfo.length.

Returns the length of this attribute_info structure. The returned value is attribute_length + 6.

Annotations

@Override

renameClass	back to summary
pack-priv void renameClass(String oldname, String newname) Overrides javassist.bytecode.AttributeInfo.renameClass. Annotations @Override

renameClass

back to summary

pack-priv void renameClass(String oldname, String newname)

Overrides javassist.bytecode.AttributeInfo.renameClass.

Annotations

@Override

renameClass	back to summary
pack-priv void renameClass(Map<String, String> classnames) Overrides javassist.bytecode.AttributeInfo.renameClass. Annotations @Override

renameClass

back to summary

pack-priv void renameClass(Map<String, String> classnames)

Overrides javassist.bytecode.AttributeInfo.renameClass.

Annotations

@Override

set	back to summary
public void set(byte[] newinfo) Overrides javassist.bytecode.AttributeInfo.set. This method is not available. Annotations @Override Exceptions UnsupportedOperationException: always thrown.

set

back to summary

public void set(byte[] newinfo)

Overrides javassist.bytecode.AttributeInfo.set.

This method is not available.

Annotations

@Override

Exceptions

UnsupportedOperationException:: always thrown.

setAttribute	back to summary
public void setAttribute(StackMapTable smt) Adds a stack map table. If another copy of stack map table is already contained, the old one is removed. Parameters smt:StackMapTable the stack map table added to this code attribute. If it is null, a new stack map is not added. Only the old stack map is removed.

setAttribute

back to summary

public void setAttribute(StackMapTable smt)

Adds a stack map table. If another copy of stack map table is already contained, the old one is removed.

Parameters

smt:StackMapTable: the stack map table added to this code attribute. If it is null, a new stack map is not added. Only the old stack map is removed.

setAttribute	back to summary
public void setAttribute(StackMap sm) Adds a stack map table for J2ME (CLDC). If another copy of stack map table is already contained, the old one is removed. Parameters sm:StackMap the stack map table added to this code attribute. If it is null, a new stack map is not added. Only the old stack map is removed. Since 3.12

setAttribute

back to summary

public void setAttribute(StackMap sm)

Adds a stack map table for J2ME (CLDC). If another copy of stack map table is already contained, the old one is removed.

Parameters

sm:StackMap: the stack map table added to this code attribute. If it is null, a new stack map is not added. Only the old stack map is removed.

Since

3.12

setCode	back to summary
pack-priv void setCode(byte[] newinfo) Sets `code[]`.

setMaxLocals	back to summary
public void setMaxLocals(int value) Sets `max_locals`.

setMaxStack	back to summary
public void setMaxStack(int value) Sets `max_stack`.

shiftIndex	back to summary
private static void shiftIndex(CodeIterator ci, int lessThan, int delta) throws BadBytecode Parameters lessThan:int If the index of the local variable is less than this value, it does not change. Otherwise, the index is increased. delta:int the indexes of the local variables are increased by this value.

shiftIndex0	back to summary
private static void shiftIndex0(CodeIterator ci, int index, int opcode, int lessThan, int delta, int opcode_i_0, int opcode_i) throws BadBytecode

shiftIndex8	back to summary
private static void shiftIndex8(CodeIterator ci, int index, int opcode, int lessThan, int delta) throws BadBytecode

write	back to summary
pack-priv void write(DataOutputStream out) throws IOException Overrides javassist.bytecode.AttributeInfo.write. Annotations @Override

write

back to summary

pack-priv void write(DataOutputStream out) throws IOException

Overrides javassist.bytecode.AttributeInfo.write.

Annotations

@Override

javassist.bytecode back to summary

pack-priv Class CodeAttribute.LdcEntry

Class Inheritance

extends Object

java.lang.Object
javassist.bytecode.CodeAttribute.LdcEntry

Field Summary

Modifier and Type	Field and Description
pack-priv int	index
pack-priv CodeAttribute.LdcEntry	next
pack-priv int	where

Constructor Summary

Access	Constructor and Description
pack-priv	LdcEntry()

Method Summary

Modifier and Type	Method and Description
pack-priv static byte[]	doit(byte[] code, CodeAttribute.LdcEntry ldc, ExceptionTable etable, CodeAttribute ca)

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Field Detail

index	back to summary
pack-priv int index

next	back to summary
pack-priv CodeAttribute.LdcEntry next

where	back to summary
pack-priv int where

Constructor Detail

LdcEntry	back to summary
pack-priv LdcEntry()

Method Detail

doit	back to summary
pack-priv static byte[] doit(byte[] code, CodeAttribute.LdcEntry ldc, ExceptionTable etable, CodeAttribute ca) throws BadBytecode

javassist.bytecode back to summary

public Class CodeAttribute.RuntimeCopyException

Class Inheritance

extends RuntimeException

java.lang.Object
java.lang.Throwable
java.lang.Exception
java.lang.RuntimeException
javassist.bytecode.CodeAttribute.RuntimeCopyException

An exception that may be thrown by copy() in CodeAttribute.

Field Summary

Modifier and Type	Field and Description
private static final long	serialVersionUID Hides java.lang.RuntimeException.serialVersionUID. default serialVersionUID

Constructor Summary

Access	Constructor and Description
public	RuntimeCopyException(String s) Constructs an exception.

Field Detail

serialVersionUID

back to summary

private static final long serialVersionUID

Hides java.lang.RuntimeException.serialVersionUID.

default serialVersionUID

Constructor Detail

RuntimeCopyException	back to summary
public RuntimeCopyException(String s) Constructs an exception.