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com.techtrader.modules.tools.bytecode
Class ClassInstruction  view ClassInstruction download ClassInstruction.java

java.lang.Object
  extended bycom.techtrader.modules.tools.bytecode.Instruction
      extended bycom.techtrader.modules.tools.bytecode.ClassInstruction
All Implemented Interfaces:
Constants, com.techtrader.modules.tools.bytecode.visitor.VisitAcceptor
Direct Known Subclasses:
MultiANewArrayInstruction

public class ClassInstruction
extends Instruction

Represents an instruction that takes as an argument a Class to operate on. Examples include ANEWARRAY, CHECKCAST, INSTANCEOF, NEW.


Field Summary
private  int _index
           
 
Fields inherited from class com.techtrader.modules.tools.bytecode.Instruction
_byteIndex, _opcode, _opcodeTypes, _owner
 
Fields inherited from interface com.techtrader.modules.tools.bytecode.Constants
AALOAD, AASTORE, ACCESS_ABSTRACT, ACCESS_FINAL, ACCESS_INTERFACE, ACCESS_NATIVE, ACCESS_PRIVATE, ACCESS_PROTECTED, ACCESS_PUBLIC, ACCESS_STATIC, ACCESS_STRICT, ACCESS_SUPER, ACCESS_SYNCHRONIZED, ACCESS_TRANSIENT, ACCESS_VOLATILE, ACONST_NULL, ALOAD, ALOAD_0, ALOAD_1, ALOAD_2, ALOAD_3, ANEWARRAY, ARETURN, ARRAY_BOOLEAN, ARRAY_BYTE, ARRAY_CHAR, ARRAY_DOUBLE, ARRAY_FLOAT, ARRAY_INT, ARRAY_LONG, ARRAY_SHORT, ARRAYLENGTH, ASTORE, ASTORE_0, ASTORE_1, ASTORE_2, ASTORE_3, ATHROW, ATTR_CODE, ATTR_CONST, ATTR_DEPRECATED, ATTR_EXCEPTIONS, ATTR_INNERCLASS, ATTR_LINENUMBERS, ATTR_LOCALS, ATTR_SOURCE, ATTR_SYNTHETIC, ATTR_UNKNOWN, BALOAD, BASTORE, BIPUSH, CALOAD, CASTORE, CHECKCAST, D2F, D2I, D2L, DADD, DALOAD, DASTORE, DCMPG, DCMPL, DCONST_0, DCONST_1, DDIV, DLOAD, DLOAD_0, DLOAD_1, DLOAD_2, DLOAD_3, DMUL, DNEG, DREM, DRETURN, DSTORE, DSTORE_0, DSTORE_1, DSTORE_2, DSTORE_3, DSUB, DUP, DUP_X1, DUP_X2, DUP2, DUP2_X1, DUP2_X2, F2D, F2I, F2L, FADD, FALOAD, FASTORE, FCMPG, FCMPL, FCONST_0, FCONST_1, FCONST_2, FDIV, FLOAD, FLOAD_0, FLOAD_1, FLOAD_2, FLOAD_3, FMUL, FNEG, FREM, FRETURN, FSTORE, FSTORE_0, FSTORE_1, FSTORE_2, FSTORE_3, FSUB, GETFIELD, GETSTATIC, GOTO, GOTO_W, I2B, I2C, I2D, I2F, I2L, I2S, IADD, IALOAD, IAND, IASTORE, ICONST_0, ICONST_1, ICONST_2, ICONST_3, ICONST_4, ICONST_5, ICONST_M1, IDIV, IF_ACMPEQ, IF_ACMPNE, IF_EQ, IF_GE, IF_GT, IF_ICMPEQ, IF_ICMPGE, IF_ICMPGT, IF_ICMPLE, IF_ICMPLT, IF_ICMPNE, IF_LE, IF_LT, IF_NE, IF_NONNULL, IF_NULL, IINC, ILOAD, ILOAD_0, ILOAD_1, ILOAD_2, ILOAD_3, IMUL, INEG, INSTANCEOF, INVOKEINTERFACE, INVOKESPECIAL, INVOKESTATIC, INVOKEVIRTUAL, IOR, IREM, IRETURN, ISHL, ISHR, ISTORE, ISTORE_0, ISTORE_1, ISTORE_2, ISTORE_3, ISUB, IUSHR, IXOR, JSR, JSR_W, L2D, L2F, L2I, LADD, LALOAD, LAND, LASTORE, LCMP, LCONST_0, LCONST_1, LDC, LDC_W, LDC2_W, LDIV, LLOAD, LLOAD_0, LLOAD_1, LLOAD_2, LLOAD_3, LMUL, LNEG, LOOKUPSWITCH, LOR, LREM, LRETURN, LSHL, LSHR, LSTORE, LSTORE_0, LSTORE_1, LSTORE_2, LSTORE_3, LSUB, LUSHR, LXOR, MATH_ADD, MATH_AND, MATH_DIV, MATH_MUL, MATH_NEG, MATH_OR, MATH_REM, MATH_SHL, MATH_SHR, MATH_SUB, MATH_USHR, MATH_XOR, MONITORENTER, MONITOREXIT, MULTIANEWARRAY, NEW, NEWARRAY, NOP, OPCODE_NAMES, POP, POP2, PUTFIELD, PUTSTATIC, RET, RETURN, SALOAD, SASTORE, SIPUSH, SWAP, TABLESWITCH, VALID_MAGIC, WIDE
 
Constructor Summary
protected ClassInstruction(Code owner, int opcode)
           
 
Method Summary
 void acceptVisit(com.techtrader.modules.tools.bytecode.visitor.BCVisitor visit)
          Accept a visit from a BCVisitor, calling the appropriate methods to notify the visitor that it has entered this entity, and to provide it with the proper callbacks for each sub-entity owned by this object.
protected  void copy(Instruction orig)
           
 boolean equals(java.lang.Object other)
          ClassInstructions are equal if the type they reference is the same, or if the type of either is unset.
 int getClassIndex()
          Get the constant pool index of the class for this instruction.
 java.lang.String getClassName()
          Get the nam of the class to operate on.
 java.lang.Class getClassType()
          Get the Class of the type to operate on.
 int getLength()
          Return the length in bytes of this opcode, including all arguments.
 int getStackChange()
          Return the number of stack positions this instruction pushes or pops during its execution.
protected  void readData(java.io.DataInput in)
          Read the arguments for this opcode from the given stream.
 void setClassIndex(int index)
          Set the constant pool index of the class for this instruction.
 ClassInstruction setClassName(java.lang.String type)
          Set the name of the class to operate on.
 Instruction setClassType(java.lang.Class type)
          Set the Class of the type to operate on.
protected  void writeData(java.io.DataOutput out)
          Write the arguments for this opcode to the given stream.
 
Methods inherited from class com.techtrader.modules.tools.bytecode.Instruction
getByteIndex, getName, getOpCode, getOwner, invalidate, setByteIndex, setOpCode
 
Methods inherited from class java.lang.Object
clone, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

_index

private int _index
Constructor Detail

ClassInstruction

protected ClassInstruction(Code owner,
                           int opcode)
Method Detail

getClassIndex

public int getClassIndex()
Get the constant pool index of the class for this instruction.


setClassIndex

public void setClassIndex(int index)
Set the constant pool index of the class for this instruction.


setClassName

public ClassInstruction setClassName(java.lang.String type)
Set the name of the class to operate on.


getClassName

public java.lang.String getClassName()
Get the nam of the class to operate on.


setClassType

public Instruction setClassType(java.lang.Class type)
Set the Class of the type to operate on.


getClassType

public java.lang.Class getClassType()
                             throws java.lang.ClassNotFoundException
Get the Class of the type to operate on.


getLength

public int getLength()
Description copied from class: Instruction
Return the length in bytes of this opcode, including all arguments. This method should be overridden by opcodes that take arguments.

Overrides:
getLength in class Instruction

getStackChange

public int getStackChange()
Description copied from class: Instruction
Return the number of stack positions this instruction pushes or pops during its execution.

Overrides:
getStackChange in class Instruction

equals

public boolean equals(java.lang.Object other)
ClassInstructions are equal if the type they reference is the same, or if the type of either is unset.

Overrides:
equals in class Instruction

copy

protected void copy(Instruction orig)
Overrides:
copy in class Instruction

readData

protected void readData(java.io.DataInput in)
                 throws java.io.IOException
Description copied from class: Instruction
Read the arguments for this opcode from the given stream. This method should be overridden by opcodes that take arguments.

Overrides:
readData in class Instruction

writeData

protected void writeData(java.io.DataOutput out)
                  throws java.io.IOException
Description copied from class: Instruction
Write the arguments for this opcode to the given stream. This method should be overridden by opcodes that take arguments.

Overrides:
writeData in class Instruction

acceptVisit

public void acceptVisit(com.techtrader.modules.tools.bytecode.visitor.BCVisitor visit)
Description copied from interface: com.techtrader.modules.tools.bytecode.visitor.VisitAcceptor
Accept a visit from a BCVisitor, calling the appropriate methods to notify the visitor that it has entered this entity, and to provide it with the proper callbacks for each sub-entity owned by this object.

Specified by:
acceptVisit in interface com.techtrader.modules.tools.bytecode.visitor.VisitAcceptor
Overrides:
acceptVisit in class Instruction