java.lang.Object
- org.aspectj.apache.bcel.generic.Instruction

All Implemented Interfaces:

Serializable, Cloneable, Constants

Direct Known Subclasses:

InstructionBranch, InstructionByte, InstructionCP, InstructionLV, InstructionShort, RET
```
public class Instruction
extends Object
implements Cloneable, Serializable, Constants
```
See Also:

Serialized Form

Field Summary

Fields
Modifier and Type Field Description

short opcode
- Fields inherited from interface org.aspectj.apache.bcel.Constants
  _unused, AALOAD, AASTORE, ACC_ABSTRACT, ACC_ANNOTATION, ACC_BRIDGE, ACC_ENUM, ACC_FINAL, ACC_INTERFACE, ACC_MODULE, ACC_NATIVE, ACC_PRIVATE, ACC_PROTECTED, ACC_PUBLIC, ACC_STATIC, ACC_STRICT, ACC_SUPER, ACC_SYNCHRONIZED, ACC_SYNTHETIC, ACC_TRANSIENT, ACC_VARARGS, ACC_VOLATILE, ACCESS_NAMES, ACONST_NULL, ALOAD, ALOAD_0, ALOAD_1, ALOAD_2, ALOAD_3, ANEWARRAY, ANEWARRAY_QUICK, ARETURN, ARRAYLENGTH, ASTORE, ASTORE_0, ASTORE_1, ASTORE_2, ASTORE_3, ATHROW, ATTR_ANNOTATION_DEFAULT, ATTR_BOOTSTRAPMETHODS, ATTR_CODE, ATTR_CONSTANT_VALUE, ATTR_DEPRECATED, ATTR_ENCLOSING_METHOD, ATTR_EXCEPTIONS, ATTR_INNER_CLASSES, ATTR_LINE_NUMBER_TABLE, ATTR_LOCAL_VARIABLE_TABLE, ATTR_LOCAL_VARIABLE_TYPE_TABLE, ATTR_METHOD_PARAMETERS, ATTR_MODULE, ATTR_MODULE_MAIN_CLASS, ATTR_MODULE_PACKAGES, ATTR_NEST_HOST, ATTR_NEST_MEMBERS, ATTR_PMG, ATTR_RUNTIME_INVISIBLE_ANNOTATIONS, ATTR_RUNTIME_INVISIBLE_PARAMETER_ANNOTATIONS, ATTR_RUNTIME_INVISIBLE_TYPE_ANNOTATIONS, ATTR_RUNTIME_VISIBLE_ANNOTATIONS, ATTR_RUNTIME_VISIBLE_PARAMETER_ANNOTATIONS, ATTR_RUNTIME_VISIBLE_TYPE_ANNOTATIONS, ATTR_SIGNATURE, ATTR_SOURCE_FILE, ATTR_STACK_MAP, ATTR_SYNTHETIC, ATTR_UNKNOWN, ATTRIBUTE_NAMES, BALOAD, BASTORE, BIPUSH, BRANCH_INSTRUCTION, BREAKPOINT, CALOAD, CASTORE, CHECKCAST, CHECKCAST_QUICK, CLASS_TYPE_NAMES, CONSTANT_Class, CONSTANT_Double, CONSTANT_Dynamic, CONSTANT_Fieldref, CONSTANT_Float, CONSTANT_INST, CONSTANT_Integer, CONSTANT_InterfaceMethodref, CONSTANT_InvokeDynamic, CONSTANT_Long, CONSTANT_MethodHandle, CONSTANT_Methodref, CONSTANT_MethodType, CONSTANT_Module, CONSTANT_NameAndType, CONSTANT_NAMES, CONSTANT_Package, CONSTANT_String, CONSTANT_Utf8, CONSTRUCTOR_NAME, CONSUME_STACK, CP_INST, 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, EXCEPTION_THROWER, 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, GETFIELD_QUICK, GETFIELD_QUICK_W, GETFIELD2_QUICK, GETSTATIC, GETSTATIC_QUICK, GETSTATIC2_QUICK, 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_ICMPEQ, IF_ICMPGE, IF_ICMPGT, IF_ICMPLE, IF_ICMPLT, IF_ICMPNE, IF_INST, IFEQ, IFGE, IFGT, IFLE, IFLT, IFNE, IFNONNULL, IFNULL, IINC, iLen, ILLEGAL_OPCODE, ILLEGAL_TYPE, ILOAD, ILOAD_0, ILOAD_1, ILOAD_2, ILOAD_3, IMPDEP1, IMPDEP2, IMUL, INDEXED, INEG, INSTANCEOF, INSTANCEOF_QUICK, instExcs, instFlags, INT2BYTE, INT2CHAR, INT2SHORT, INTERFACES_IMPLEMENTED_BY_ARRAYS, INVOKEDYNAMIC, INVOKEINTERFACE, INVOKEINTERFACE_QUICK, INVOKENONVIRTUAL, INVOKENONVIRTUAL_QUICK, INVOKESPECIAL, INVOKESTATIC, INVOKESTATIC_QUICK, INVOKESUPER_QUICK, INVOKEVIRTUAL, INVOKEVIRTUAL_QUICK, INVOKEVIRTUAL_QUICK_W, INVOKEVIRTUALOBJECT_QUICK, IOR, IREM, IRETURN, ISHL, ISHR, ISTORE, ISTORE_0, ISTORE_1, ISTORE_2, ISTORE_3, ISUB, ITEM_Bogus, ITEM_Double, ITEM_Float, ITEM_InitObject, ITEM_Integer, ITEM_Long, ITEM_NAMES, ITEM_NewObject, ITEM_Null, ITEM_Object, IUSHR, IXOR, JSR, JSR_INSTRUCTION, JSR_W, KNOWN_ATTRIBUTES, L2D, L2F, L2I, LADD, LALOAD, LAND, LASTORE, LCMP, LCONST_0, LCONST_1, LDC, LDC_QUICK, LDC_W, LDC_W_QUICK, LDC2_W, LDC2_W_QUICK, LDIV, LLOAD, LLOAD_0, LLOAD_1, LLOAD_2, LLOAD_3, LMUL, LNEG, LOAD_INST, LOADCLASS_INST, LOOKUPSWITCH, LOR, LREM, LRETURN, LSHL, LSHR, LSTORE, LSTORE_0, LSTORE_1, LSTORE_2, LSTORE_3, LSUB, LUSHR, LV_INST, LXOR, MAJOR, MAJOR_1_1, MAJOR_1_2, MAJOR_1_3, MAJOR_1_4, MAJOR_1_5, MAJOR_1_6, MAJOR_1_7, MAJOR_1_8, MAJOR_1_9, MAJOR_10, MAJOR_11, MAJOR_12, MAJOR_13, MAJOR_14, MAJOR_15, MAJOR_16, MAJOR_17, MAJOR_18, MAX_ACC_FLAG, MAX_BYTE, MAX_CODE_SIZE, MAX_CP_ENTRIES, MAX_SHORT, MINOR, MINOR_1_1, MINOR_1_2, MINOR_1_3, MINOR_1_4, MINOR_1_5, MINOR_1_6, MINOR_1_7, MINOR_1_8, MINOR_1_9, MINOR_10, MINOR_11, MINOR_12, MINOR_13, MINOR_14, MINOR_15, MINOR_16, MINOR_17, MINOR_18, MODULE_ACC_MANDATED, MODULE_ACC_STATIC_PHASE, MODULE_ACC_SYNTHETIC, MODULE_ACC_TRANSITIVE, MONITORENTER, MONITOREXIT, MULTIANEWARRAY, MULTIANEWARRAY_QUICK, NEGATABLE, NEW, NEW_QUICK, NEWARRAY, NOP, OPCODE_NAMES, POP, POP_INST, POP2, PREVIEW_MINOR_VERSION, PUSH, PUSH_INST, PUTFIELD, PUTFIELD_QUICK, PUTFIELD_QUICK_W, PUTFIELD2_QUICK, PUTSTATIC, PUTSTATIC_QUICK, PUTSTATIC2_QUICK, RESERVED, RET, RET_INST, RETURN, SALOAD, SASTORE, SHORT_TYPE_NAMES, SIPUSH, STACK_INST, stackEntriesProduced, STATIC_INITIALIZER_NAME, STORE_INST, SWAP, SWITCH, T_ADDRESS, T_ARRAY, T_BOOLEAN, T_BYTE, T_CHAR, T_DOUBLE, T_FLOAT, T_INT, T_LONG, T_OBJECT, T_REFERENCE, T_SHORT, T_UNKNOWN, T_VOID, TABLESWITCH, TARGETER_INSTRUCTION, TYPE_NAMES, TYPE_OF_OPERANDS, types, UNDEFINED, UNDEFINED_LENGTH, UNPREDICTABLE, VARIABLE_LENGTH, WIDE

Constructor Summary

Constructors
Constructor Description

Instruction(short opcode)

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`int`	`consumeStack(ConstantPool cpg)`
`Instruction`	`copy()`
`void`	`dump(DataOutputStream out)`
`boolean`	`equals(Object other)`
`int`	`getIndex()`
`int`	`getLength()`
`ObjectType`	`getLoadClassType(ConstantPool cpg)`
`String`	`getName()`
`short`	`getOpcode()`
`Type`	`getType()`
`Type`	`getType(ConstantPool cp)`
`Number`	`getValue()`
`Object`	`getValue(ConstantPool cpg)`
`int`	`hashCode()`
`boolean`	`isALOAD()`
`boolean`	`isArrayCreationInstruction()`
`boolean`	`isASTORE()`
`boolean`	`isConstantInstruction()`
`boolean`	`isConstantPoolInstruction()`
`boolean`	`isIndexedInstruction()`
`boolean`	`isJsrInstruction()`
`boolean`	`isLoadInstruction()`
`boolean`	`isLocalVariableInstruction()`
`boolean`	`isReturnInstruction()`
`boolean`	`isStackConsumer()`
`boolean`	`isStackProducer()`
`boolean`	`isStoreInstruction()`
`int`	`produceStack(ConstantPool cpg)`
`static Instruction`	`readInstruction(ByteSequence bytes)`
`void`	`setIndex(int i)`
`String`	`toString()`
`String`	`toString(boolean verbose)`

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail
- opcode
```
public short opcode
```

Constructor Detail
- Instruction
```
public Instruction(short opcode)
```

Method Detail

dump

public void dump(DataOutputStream out)
          throws IOException

Throws:: IOException

getName
```
public String getName()
```

copy
```
public final Instruction copy()
```

readInstruction

public static final Instruction readInstruction(ByteSequence bytes)
                                         throws IOException

Throws:: IOException

consumeStack

public int consumeStack(ConstantPool cpg)

produceStack

public int produceStack(ConstantPool cpg)

getOpcode
```
public short getOpcode()
```

getLength
```
public int getLength()
```

equals

public boolean equals(Object other)

Overrides:: equals in class Object

hashCode
```
public int hashCode()
```
Overrides:

hashCode in class Object

getType
```
public Type getType()
```

getType

public Type getType(ConstantPool cp)

getValue
```
public Number getValue()
```

getIndex
```
public int getIndex()
```

setIndex
```
public void setIndex(int i)
```

getValue

public Object getValue(ConstantPool cpg)

isLoadInstruction
```
public boolean isLoadInstruction()
```

isASTORE
```
public boolean isASTORE()
```

isALOAD
```
public boolean isALOAD()
```

isStoreInstruction
```
public boolean isStoreInstruction()
```

isJsrInstruction
```
public boolean isJsrInstruction()
```

isConstantInstruction

public boolean isConstantInstruction()

isConstantPoolInstruction

public boolean isConstantPoolInstruction()

isStackProducer
```
public boolean isStackProducer()
```

isStackConsumer
```
public boolean isStackConsumer()
```

isIndexedInstruction
```
public boolean isIndexedInstruction()
```

isArrayCreationInstruction

public boolean isArrayCreationInstruction()

getLoadClassType

public ObjectType getLoadClassType(ConstantPool cpg)

isReturnInstruction
```
public boolean isReturnInstruction()
```

isLocalVariableInstruction

public boolean isLocalVariableInstruction()

toString

public String toString(boolean verbose)

toString
```
public String toString()
```
Overrides:

toString in class Object

Class Instruction

Field Summary

Fields inherited from interface org.aspectj.apache.bcel.Constants

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

opcode

Constructor Detail

Instruction

Method Detail

dump

getName

copy

readInstruction

consumeStack

produceStack

getOpcode

getLength

equals

hashCode

getType

getType

getValue

getIndex

setIndex

getValue

isLoadInstruction

isASTORE

isALOAD

isStoreInstruction

isJsrInstruction

isConstantInstruction

isConstantPoolInstruction

isStackProducer

isStackConsumer

isIndexedInstruction

isArrayCreationInstruction

getLoadClassType

isReturnInstruction

isLocalVariableInstruction

toString

toString