Package org.openjdk.asmtools.jdis

Class CodeData

java.lang.Object

org.openjdk.asmtools.jdis.Indenter

org.openjdk.asmtools.jdis.CodeData

public class CodeData
extends Indenter

Code data for a code attribute in method members in a class of the Java Disassembler

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
(package private) class	CodeData.LineNumData
static class	CodeData.LocVarData

Field Summary

Fields

Modifier and Type	Field	Description
protected java.util.ArrayList<AttrData>	attrs	The remaining attributes of this class
protected ClassData	cls
protected byte[]	code	Raw byte array for the byte codes
private java.util.HashMap<java.lang.Integer,iAtt>	iattrs	(parsed) reversed bytecode index hash, associates labels with ByteCode indexes
private java.util.ArrayList<TypeAnnotationData>	invisibleTypeAnnotations	The invisible type annotations for this method
private java.util.ArrayList<CodeData.LineNumData>	lin_num_tb	(parsed) Line Number table, describes source lines associated with ByteCode indexes
private java.util.ArrayList<CodeData.LocVarData>	loc_var_tb	(parsed) Local Variable table, describes variable scopes associated with ByteCode indexes
protected int	max_locals	Limit for the number of local vars
protected int	max_stack	Limit for the stack size
protected MethodData	meth
private java.io.PrintWriter	out
private java.util.ArrayList<StackMapData>	stack_map	(parsed) stack map table, describes compiler hints for stack rep, associated with ByteCode indexes
private java.util.ArrayList<TrapData>	trap_table	(parsed) Trap table, describes exceptions caught
private java.util.ArrayList<TypeAnnotationData>	visibleTypeAnnotations	The visible type annotations for this method

Constructor Summary

Constructors

Constructor	Description
CodeData(MethodData meth)

Method Summary

Modifier and Type	Method	Description
private static int	align(int n)
private int	checkForLabelRef(int pc)
protected iAtt	get_iAtt(int pc)
private int	getbyte(int pc)
private int	getInt(int pc)
private int	getShort(int pc)
private int	getUbyte(int pc)
private int	getUShort(int pc)
private void	loadLabelTable()
private void	loadLineNumTable()
private void	loadLocVarTable()
private void	loadStackMap()
private void	loadTrapTable()
void	print()	print
private void	PrintCommentedConstant(int cpx)
private void	PrintConstant(int cpx)
private int	printInstr(int pc)
void	read(java.io.DataInputStream in, int codeattrlen)	read
private void	readLineNumTable(java.io.DataInputStream in)
private void	readLocVarTable(java.io.DataInputStream in)
private void	readStackMap(java.io.DataInputStream in)
private void	readStackMapTable(java.io.DataInputStream in)
private void	readTrapTable(java.io.DataInputStream in)
private void	readTypeAnnotations(java.io.DataInputStream in, boolean isInvisible)

Methods inherited from class org.openjdk.asmtools.jdis.Indenter

decreaseIndent, getIndentString, increaseIndent, indent, setIndent

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

code

protected byte[] code

Raw byte array for the byte codes

max_stack

protected int max_stack

Limit for the stack size

max_locals

protected int max_locals

Limit for the number of local vars

attrs

protected java.util.ArrayList<AttrData> attrs

The remaining attributes of this class

cls

protected ClassData cls

meth

protected MethodData meth

trap_table

private java.util.ArrayList<TrapData> trap_table

(parsed) Trap table, describes exceptions caught

lin_num_tb

private java.util.ArrayList<CodeData.LineNumData> lin_num_tb

(parsed) Line Number table, describes source lines associated with ByteCode indexes

loc_var_tb

private java.util.ArrayList<CodeData.LocVarData> loc_var_tb

(parsed) Local Variable table, describes variable scopes associated with ByteCode indexes

stack_map

private java.util.ArrayList<StackMapData> stack_map

(parsed) stack map table, describes compiler hints for stack rep, associated with ByteCode indexes

visibleTypeAnnotations

private java.util.ArrayList<TypeAnnotationData> visibleTypeAnnotations

The visible type annotations for this method

invisibleTypeAnnotations

private java.util.ArrayList<TypeAnnotationData> invisibleTypeAnnotations

The invisible type annotations for this method

iattrs

private java.util.HashMap<java.lang.Integer,iAtt> iattrs

(parsed) reversed bytecode index hash, associates labels with ByteCode indexes

out

private java.io.PrintWriter out

Constructor Detail

CodeData

public CodeData(MethodData meth)

Method Detail

align

private static int align(int n)

getbyte

private int getbyte(int pc)

getUbyte

private int getUbyte(int pc)

getShort

private int getShort(int pc)

getUShort

private int getUShort(int pc)

getInt

private int getInt(int pc)

get_iAtt

protected iAtt get_iAtt(int pc)

readLineNumTable

private void readLineNumTable(java.io.DataInputStream in)
                       throws java.io.IOException

Throws:

java.io.IOException

readLocVarTable

private void readLocVarTable(java.io.DataInputStream in)
                      throws java.io.IOException

Throws:

java.io.IOException

readTrapTable

private void readTrapTable(java.io.DataInputStream in)
                    throws java.io.IOException

Throws:

java.io.IOException

readStackMap

private void readStackMap(java.io.DataInputStream in)
                   throws java.io.IOException

Throws:

java.io.IOException

readStackMapTable

private void readStackMapTable(java.io.DataInputStream in)
                        throws java.io.IOException

Throws:

java.io.IOException

readTypeAnnotations

private void readTypeAnnotations(java.io.DataInputStream in,
                                 boolean isInvisible)
                          throws java.io.IOException

Throws:

java.io.IOException

read

public void read(java.io.DataInputStream in,
                 int codeattrlen)
          throws java.io.IOException

read

read and resolve the code attribute data called from MethodData. precondition: NumFields has already been read from the stream.

Throws:

java.io.IOException

checkForLabelRef

private int checkForLabelRef(int pc)

loadLabelTable

private void loadLabelTable()

loadLineNumTable

private void loadLineNumTable()

loadStackMap

private void loadStackMap()

loadLocVarTable

private void loadLocVarTable()

loadTrapTable

private void loadTrapTable()

PrintConstant

private void PrintConstant(int cpx)

PrintCommentedConstant

private void PrintCommentedConstant(int cpx)

printInstr

private int printInstr(int pc)

print

public void print()
           throws java.io.IOException

print

prints the code data to the current output stream. called from MethodData.

Throws:

java.io.IOException