org.jboss.byteman.agent.adapter.cfg

Class InstructionSequence

java.lang.Object

org.jboss.byteman.agent.adapter.cfg.InstructionSequence

public class InstructionSequence
extends Object

Class used to hold a sequence of instructions within a basic block

Constructor Summary

Constructors

Constructor and Description
InstructionSequence()

Method Summary

Methods

Modifier and Type	Method and Description
int	add(int insn) add an instruction to the sequence
int	add(int insn, int arg1) add an instruction with one encoded argument to the sequence
int	add(int insn, int[] args) add an instruction with an arbitrary number of encoded arguments to the sequence
int	add(int insn, int arg1, int arg2) add an instruction with two encoded arguments to the sequence
int	add(int insn, int arg1, int arg2, int arg3) add an instruction with three encoded arguments to the sequence
int	get(int i) return the instruction at the supplied offset
int	getArg(int i, int j) return a specific encoded argument of a given instruction
int	getArgCount(int i) return the number of encoded arguments of a given instruction
int	getType(int i) return the type of a given instruction
int	size() return the number of instructions in the sequence

Methods inherited from class java.lang.Object

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

Constructor Detail

InstructionSequence

public InstructionSequence()

Method Detail

size

public int size()

return the number of instructions in the sequence

Returns:

the the number of instructions in the sequence

get

public int get(int i)

return the instruction at the supplied offset

Returns:

the ith instruction in the sequuence

getType

public int getType(int i)

return the type of a given instruction

Returns:

the ith instruction in the sequuence

getArgCount

public int getArgCount(int i)

return the number of encoded arguments of a given instruction

Parameters:

i - the offset of the instruction

Returns:

the number of encoded arguments of the ith instruction in the sequuence

getArg

public int getArg(int i,
         int j)

return a specific encoded argument of a given instruction

Parameters:

i - the offset of the instruction

j - the index of the arguument attached to the instruction

Returns:

the jth encoded argument of the ith instruction in the sequuence

add

public int add(int insn)

add an instruction to the sequence

Parameters:

insn -

Returns:

the index of the newly added instruction

add

public int add(int insn,
      int arg1)

add an instruction with one encoded argument to the sequence

Parameters:

insn -

Returns:

the index of the newly added instruction

add

public int add(int insn,
      int arg1,
      int arg2)

add an instruction with two encoded arguments to the sequence

Parameters:

insn -

Returns:

the index of the newly added instruction

add

public int add(int insn,
      int arg1,
      int arg2,
      int arg3)

add an instruction with three encoded arguments to the sequence

Parameters:

insn -

Returns:

the index of the newly added instruction

add

public int add(int insn,
      int[] args)

add an instruction with an arbitrary number of encoded arguments to the sequence

Parameters:

insn -

Returns:

the index of the newly added instruction