C# Class Org.Mozilla.Classfile.ClassFileWriter

ClassFileWriter A ClassFileWriter is used to write a Java class file.

ClassFileWriter A ClassFileWriter is used to write a Java class file. Methods are provided to create fields and methods, and within methods to write Java bytecodes.

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Méthodes publiques

Méthode	Description
AcquireLabel ( ) : int
Add ( int theOpCode ) : void	Add the single-byte opcode to the current method. Add the single-byte opcode to the current method.
Add ( int theOpCode, int theOperand ) : void	Add a single-operand opcode to the current method. Add a single-operand opcode to the current method.
Add ( int theOpCode, int theOperand1, int theOperand2 ) : void	Add the given two-operand bytecode to the current method. Add the given two-operand bytecode to the current method.
Add ( int theOpCode, string className ) : void
Add ( int theOpCode, string className, string fieldName, string fieldType ) : void
AddALoad ( int local ) : void	Load object from the given local into stack. Load object from the given local into stack.
AddAStore ( int local ) : void	Store object from stack top into the given local. Store object from stack top into the given local.
AddDLoad ( int local ) : void	Load double from the given local into stack. Load double from the given local into stack.
AddDStore ( int local ) : void	Store double from stack top into the given local. Store double from stack top into the given local.
AddExceptionHandler ( int startLabel, int endLabel, int handlerLabel, string catchClassName ) : void
AddFLoad ( int local ) : void	Load float from the given local into stack. Load float from the given local into stack.
AddFStore ( int local ) : void	Store float from stack top into the given local. Store float from stack top into the given local.
AddField ( string fieldName, string type, short flags ) : void	Add a field to the class. Add a field to the class.
AddField ( string fieldName, string type, short flags, double value ) : void	Add a field to the class. Add a field to the class.
AddField ( string fieldName, string type, short flags, int value ) : void	Add a field to the class. Add a field to the class.
AddField ( string fieldName, string type, short flags, long value ) : void	Add a field to the class. Add a field to the class.
AddILoad ( int local ) : void	Load integer from the given local into stack. Load integer from the given local into stack.
AddIStore ( int local ) : void	Store integer from stack top into the given local. Store integer from stack top into the given local.
AddInterface ( string interfaceName ) : void	Add an interface implemented by this class. Add an interface implemented by this class. This method may be called multiple times for classes that implement multiple interfaces.
AddInvoke ( int theOpCode, string className, string methodName, string methodType ) : void
AddLLoad ( int local ) : void	Load long from the given local into stack. Load long from the given local into stack.
AddLStore ( int local ) : void	Store long from stack top into the given local. Store long from stack top into the given local.
AddLineNumberEntry ( short lineNumber ) : void
AddLoadConstant ( double k ) : void	Generate the load constant bytecode for the given double. Generate the load constant bytecode for the given double.
AddLoadConstant ( float k ) : void	Generate the load constant bytecode for the given float. Generate the load constant bytecode for the given float.
AddLoadConstant ( int k ) : void	Generate the load constant bytecode for the given integer. Generate the load constant bytecode for the given integer.
AddLoadConstant ( long k ) : void	Generate the load constant bytecode for the given long. Generate the load constant bytecode for the given long.
AddLoadConstant ( string k ) : void	Generate the load constant bytecode for the given string. Generate the load constant bytecode for the given string.
AddLoadThis ( ) : void	Load "this" into stack. Load "this" into stack.
AddPush ( bool k ) : void
AddPush ( double k ) : void	Generate code to load the given double on stack. Generate code to load the given double on stack.
AddPush ( int k ) : void	Generate code to load the given integer on stack. Generate code to load the given integer on stack.
AddPush ( long k ) : void	Generate code to load the given long on stack. Generate code to load the given long on stack.
AddPush ( string k ) : void	Generate the code to leave on stack the given string even if the string encoding exeeds the class file limit for single string constant
AddTableSwitch ( int low, int high ) : int
AddVariableDescriptor ( string name, string type, int startPC, int register ) : void	Add Information about java variable to use when generating the local variable table. Add Information about java variable to use when generating the local variable table.
AdjustStackTop ( int delta ) : void
ClassFileWriter ( string className, string superClassName, string sourceFileName ) : System	Construct a ClassFileWriter for a class. Construct a ClassFileWriter for a class.
ClassNameToSignature ( string name ) : string	Convert Java class name in dot notation into "Lname-with-dots-replaced-by-slashes;" form suitable for use as JVM type signatures. Convert Java class name in dot notation into "Lname-with-dots-replaced-by-slashes;" form suitable for use as JVM type signatures.
GetClassName ( ) : string
GetCurrentCodeOffset ( ) : int	Get the current offset into the code of the current method. Get the current offset into the code of the current method.
GetLabelPC ( int label ) : int
GetStackTop ( ) : short
IsUnderStringSizeLimit ( string k ) : bool	Check if k fits limit on string constant size imposed by class file format. Check if k fits limit on string constant size imposed by class file format.
MarkHandler ( int theLabel ) : void
MarkLabel ( int label ) : void
MarkLabel ( int label, short stackTop ) : void
MarkTableSwitchCase ( int switchStart, int caseIndex ) : void
MarkTableSwitchCase ( int switchStart, int caseIndex, int stackTop ) : void
MarkTableSwitchDefault ( int switchStart ) : void
SetFlags ( short flags ) : void	Set the class's flags. Set the class's flags. Flags must be a set of the following flags, bitwise or'd together: ACC_PUBLIC ACC_PRIVATE ACC_PROTECTED ACC_FINAL ACC_ABSTRACT TODO: check that this is the appropriate set
SetStackTop ( short n ) : void
SetTableSwitchJump ( int switchStart, int caseIndex, int jumpTarget ) : void	Set a jump case for a tableswitch instruction. Set a jump case for a tableswitch instruction. The jump target should be marked as a super block start for stack map generation.
StartMethod ( string methodName, string type, short flags ) : void	Add a method and begin adding code. Add a method and begin adding code. This method must be called before other methods for adding code, exception tables, etc. can be invoked.
StopMethod ( short maxLocals ) : void	Complete generation of the method. Complete generation of the method. After this method is called, no more code can be added to the method begun with `startMethod`.
ToByteArray ( ) : byte[]	Get the class file as array of bytesto the OutputStream. Get the class file as array of bytesto the OutputStream.
Write ( Stream oStream ) : void	Write the class file to the OutputStream. Write the class file to the OutputStream.

Private Methods

Méthode	Description
AddLabelFixup ( int label, int fixupSite ) : void
AddReservedCodeSpace ( int size ) : int
AddSuperBlockStart ( int pc ) : void	Add a pc as the start of super block. Add a pc as the start of super block. A pc is the beginning of a super block if: - pc == 0 - it is the target of a branch instruction - it is the beginning of an exception handler - it is directly after an unconditional jump
AddToCodeBuffer ( int b ) : void
AddToCodeInt16 ( int value ) : void
ArrayTypeToName ( int type ) : char	Convert a newarray operand into an internal type. Convert a newarray operand into an internal type.
BadStack ( int value ) : void
BytecodeStr ( int code ) : string
ClassDescriptorToInternalName ( string descriptor ) : string	Convert a class descriptor into an internal name. Convert a class descriptor into an internal name. For example, descriptor Ljava/lang/Object; becomes java/lang/Object.
ClassFileWriter ( ) : System
CreateInitialLocals ( ) : int[]	Compute the initial local variable array for the current method. Compute the initial local variable array for the current method. Creates an array of the size of the method's max locals, regardless of the number of parameters in the method.
DescriptorToInternalName ( string descriptor ) : string	Convert a non-method type descriptor into an internal type. Convert a non-method type descriptor into an internal type.
FinalizeSuperBlockStarts ( ) : void	Sort the list of recorded super block starts and remove duplicates. Sort the list of recorded super block starts and remove duplicates. Also adds exception handling blocks as block starts, since there is no explicit control flow to these. Used for stack map table generation.
FixLabelGotos ( ) : void
GetCharBuffer ( int minimalSize ) : char[]
GetSlashedForm ( string name ) : string
GetWriteSize ( ) : int
OpcodeCount ( int opcode ) : int	Number of operands accompanying the opcode. Number of operands accompanying the opcode.
OpcodeLength ( int opcode, bool wide ) : int	Size of a bytecode instruction, counting the opcode and its operands. Size of a bytecode instruction, counting the opcode and its operands. This is different from opcodeCount, since opcodeCount counts logical operands.
PutInt16 ( int value, byte array, int offset ) : int
PutInt32 ( int value, byte array, int offset ) : int
PutInt64 ( long value, byte array, int offset ) : int
SizeOfParameters ( string pString ) : int
StackChange ( int opcode ) : int	The effect on the operand stack of a given opcode. The effect on the operand stack of a given opcode.
Xop ( int shortOp, int op, int local ) : void

Method Details

AcquireLabel() public méthode

public AcquireLabel ( ) : int
Résultat	int

Add() public méthode

Add the single-byte opcode to the current method.

public Add ( int theOpCode ) : void
theOpCode	int	the opcode of the bytecode
Résultat	void

Add() public méthode

Add a single-operand opcode to the current method.

public Add ( int theOpCode, int theOperand ) : void
theOpCode	int	the opcode of the bytecode
theOperand	int	the operand of the bytecode
Résultat	void

Add() public méthode

Add the given two-operand bytecode to the current method.

public Add ( int theOpCode, int theOperand1, int theOperand2 ) : void
theOpCode	int	the opcode of the bytecode
theOperand1	int	the first operand of the bytecode
theOperand2	int	the second operand of the bytecode
Résultat	void

Add() public méthode

public Add ( int theOpCode, string className ) : void
theOpCode	int
className	string
Résultat	void

Add() public méthode

public Add ( int theOpCode, string className, string fieldName, string fieldType ) : void
theOpCode	int
className	string
fieldName	string
fieldType	string
Résultat	void

AddALoad() public méthode

Load object from the given local into stack.

public AddALoad ( int local ) : void
local	int	number of local register
Résultat	void

AddAStore() public méthode

Store object from stack top into the given local.

public AddAStore ( int local ) : void
local	int	number of local register
Résultat	void

AddDLoad() public méthode

Load double from the given local into stack.

public AddDLoad ( int local ) : void
local	int	number of local register
Résultat	void

AddDStore() public méthode

Store double from stack top into the given local.

public AddDStore ( int local ) : void
local	int	number of local register
Résultat	void

AddExceptionHandler() public méthode

public AddExceptionHandler ( int startLabel, int endLabel, int handlerLabel, string catchClassName ) : void
startLabel	int
endLabel	int
handlerLabel	int
catchClassName	string
Résultat	void

AddFLoad() public méthode

Load float from the given local into stack.

public AddFLoad ( int local ) : void
local	int	number of local register
Résultat	void

AddFStore() public méthode

Store float from stack top into the given local.

public AddFStore ( int local ) : void
local	int	number of local register
Résultat	void

AddField() public méthode

Add a field to the class.

public AddField ( string fieldName, string type, short flags ) : void
fieldName	string	the name of the field
type	string	the type of the field using ...
flags	short	/// the attributes of the field, such as ACC_PUBLIC, etc. /// bitwise or'd together ///
Résultat	void

AddField() public méthode

Add a field to the class.

public AddField ( string fieldName, string type, short flags, double value ) : void
fieldName	string	the name of the field
type	string	the type of the field using ...
flags	short	/// the attributes of the field, such as ACC_PUBLIC, etc. /// bitwise or'd together ///
value	double	an initial double value
Résultat	void

AddField() public méthode

Add a field to the class.

public AddField ( string fieldName, string type, short flags, int value ) : void
fieldName	string	the name of the field
type	string	the type of the field using ...
flags	short	/// the attributes of the field, such as ACC_PUBLIC, etc. /// bitwise or'd together ///
value	int	an initial integral value
Résultat	void

AddField() public méthode

Add a field to the class.

public AddField ( string fieldName, string type, short flags, long value ) : void
fieldName	string	the name of the field
type	string	the type of the field using ...
flags	short	/// the attributes of the field, such as ACC_PUBLIC, etc. /// bitwise or'd together ///
value	long	an initial long value
Résultat	void

AddILoad() public méthode

Load integer from the given local into stack.

public AddILoad ( int local ) : void
local	int	number of local register
Résultat	void

AddIStore() public méthode

Store integer from stack top into the given local.

public AddIStore ( int local ) : void
local	int	number of local register
Résultat	void

AddInterface() public méthode

Add an interface implemented by this class.

Add an interface implemented by this class. This method may be called multiple times for classes that implement multiple interfaces.

public AddInterface ( string interfaceName ) : void
interfaceName	string	/// a name of an interface implemented /// by the class being written, including full package /// qualification. ///
Résultat	void

AddInvoke() public méthode

public AddInvoke ( int theOpCode, string className, string methodName, string methodType ) : void
theOpCode	int
className	string
methodName	string
methodType	string
Résultat	void

AddLLoad() public méthode

Load long from the given local into stack.

public AddLLoad ( int local ) : void
local	int	number of local register
Résultat	void

AddLStore() public méthode

Store long from stack top into the given local.

public AddLStore ( int local ) : void
local	int	number of local register
Résultat	void

AddLineNumberEntry() public méthode

public AddLineNumberEntry ( short lineNumber ) : void
lineNumber	short
Résultat	void

AddLoadConstant() public méthode

Generate the load constant bytecode for the given double.

public AddLoadConstant ( double k ) : void
k	double	the constant
Résultat	void

AddLoadConstant() public méthode

Generate the load constant bytecode for the given float.

public AddLoadConstant ( float k ) : void
k	float	the constant
Résultat	void

AddLoadConstant() public méthode

Generate the load constant bytecode for the given integer.

public AddLoadConstant ( int k ) : void
k	int	the constant
Résultat	void

AddLoadConstant() public méthode

Generate the load constant bytecode for the given long.

public AddLoadConstant ( long k ) : void
k	long	the constant
Résultat	void

AddLoadConstant() public méthode

Generate the load constant bytecode for the given string.

public AddLoadConstant ( string k ) : void
k	string	the constant
Résultat	void

AddLoadThis() public méthode

Load "this" into stack.

public AddLoadThis ( ) : void
Résultat	void

AddPush() public méthode

public AddPush ( bool k ) : void
k	bool
Résultat	void

AddPush() public méthode

Generate code to load the given double on stack.

public AddPush ( double k ) : void
k	double	the constant
Résultat	void

AddPush() public méthode

Generate code to load the given integer on stack.

public AddPush ( int k ) : void
k	int	the constant
Résultat	void

AddPush() public méthode

Generate code to load the given long on stack.

public AddPush ( long k ) : void
k	long	the constant
Résultat	void

AddPush() public méthode

Generate the code to leave on stack the given string even if the string encoding exeeds the class file limit for single string constant

public AddPush ( string k ) : void
k	string	the constant
Résultat	void

AddTableSwitch() public méthode

public AddTableSwitch ( int low, int high ) : int
low	int
high	int
Résultat	int

AddVariableDescriptor() public méthode

Add Information about java variable to use when generating the local variable table.

public AddVariableDescriptor ( string name, string type, int startPC, int register ) : void
name	string	variable name.
type	string	variable type as bytecode descriptor string.
startPC	int	/// the starting bytecode PC where this variable is live, /// or -1 if it does not have a Java register. ///
register	int	/// the Java register number of variable /// or -1 if it does not have a Java register. ///
Résultat	void

AdjustStackTop() public méthode

public AdjustStackTop ( int delta ) : void
delta	int
Résultat	void

ClassFileWriter() public méthode

Construct a ClassFileWriter for a class.

public ClassFileWriter ( string className, string superClassName, string sourceFileName ) : System
className	string	/// the name of the class to write, including /// full package qualification. ///
superClassName	string	/// the name of the superclass of the class /// to write, including full package qualification. ///
sourceFileName	string	/// the name of the source file to use for /// producing debug information, or null if debug information /// is not desired ///
Résultat	System

ClassNameToSignature() public static méthode

Convert Java class name in dot notation into "Lname-with-dots-replaced-by-slashes;" form suitable for use as JVM type signatures.

public static ClassNameToSignature ( string name ) : string
name	string
Résultat	string

GetClassName() public méthode

public GetClassName ( ) : string
Résultat	string

GetCurrentCodeOffset() public méthode

Get the current offset into the code of the current method.

public GetCurrentCodeOffset ( ) : int
Résultat	int

GetLabelPC() public méthode

public GetLabelPC ( int label ) : int
label	int
Résultat	int

GetStackTop() public méthode

public GetStackTop ( ) : short
Résultat	short

IsUnderStringSizeLimit() public méthode

Check if k fits limit on string constant size imposed by class file format.

public IsUnderStringSizeLimit ( string k ) : bool
k	string	the string constant
Résultat	bool

MarkHandler() public méthode

public MarkHandler ( int theLabel ) : void
theLabel	int
Résultat	void

MarkLabel() public méthode

public MarkLabel ( int label ) : void
label	int
Résultat	void

MarkLabel() public méthode

public MarkLabel ( int label, short stackTop ) : void
label	int
stackTop	short
Résultat	void

MarkTableSwitchCase() public méthode

public MarkTableSwitchCase ( int switchStart, int caseIndex ) : void
switchStart	int
caseIndex	int
Résultat	void

MarkTableSwitchCase() public méthode

public MarkTableSwitchCase ( int switchStart, int caseIndex, int stackTop ) : void
switchStart	int
caseIndex	int
stackTop	int
Résultat	void

MarkTableSwitchDefault() public méthode

public MarkTableSwitchDefault ( int switchStart ) : void
switchStart	int
Résultat	void

SetFlags() public méthode

Set the class's flags.

Set the class's flags. Flags must be a set of the following flags, bitwise or'd together: ACC_PUBLIC ACC_PRIVATE ACC_PROTECTED ACC_FINAL ACC_ABSTRACT TODO: check that this is the appropriate set

public SetFlags ( short flags ) : void
flags	short	the set of class flags to set
Résultat	void

SetStackTop() public méthode

public SetStackTop ( short n ) : void
n	short
Résultat	void

SetTableSwitchJump() public méthode

Set a jump case for a tableswitch instruction.

Set a jump case for a tableswitch instruction. The jump target should be marked as a super block start for stack map generation.

public SetTableSwitchJump ( int switchStart, int caseIndex, int jumpTarget ) : void
switchStart	int
caseIndex	int
jumpTarget	int
Résultat	void

StartMethod() public méthode

Add a method and begin adding code.

Add a method and begin adding code. This method must be called before other methods for adding code, exception tables, etc. can be invoked.

public StartMethod ( string methodName, string type, short flags ) : void
methodName	string	the name of the method
type	string	a string representing the type
flags	short	/// the attributes of the field, such as ACC_PUBLIC, etc. /// bitwise or'd together ///
Résultat	void

StopMethod() public méthode

Complete generation of the method.

Complete generation of the method. After this method is called, no more code can be added to the method begun with startMethod.

public StopMethod ( short maxLocals ) : void
maxLocals	short	/// the maximum number of local variable slots /// (a.k.a. Java registers) used by the method ///
Résultat	void

ToByteArray() public méthode

Get the class file as array of bytesto the OutputStream.

public ToByteArray ( ) : byte[]
Résultat	byte[]

Write() public méthode

Write the class file to the OutputStream.

if writing to the stream produces an exception

public Write ( Stream oStream ) : void
oStream	Stream	the stream to write to
Résultat	void