org.apache.bcel.generic

Class INVOKEDYNAMIC

java.lang.Object

org.apache.bcel.generic.Instruction

org.apache.bcel.generic.CPInstruction

org.apache.bcel.generic.FieldOrMethod

org.apache.bcel.generic.INVOKEDYNAMIC

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable, ExceptionThrower, IndexedInstruction, LoadClass, StackConsumer, StackProducer, TypedInstruction

public class INVOKEDYNAMIC
extends FieldOrMethod
implements ExceptionThrower, StackConsumer, StackProducer

Class for INVOKEDYNAMIC. Not an instance of InvokeInstruction, since that class expects to be able to get the class of the method. Ignores the bootstrap mechanism entirely.

See Also:

Serialized Form

Field Summary

Fields inherited from class org.apache.bcel.generic.CPInstruction

index

Fields inherited from class org.apache.bcel.generic.Instruction

length, opcode

Constructor Summary

Constructors

Constructor and Description
INVOKEDYNAMIC(short opcode, int index)

Method Summary

Modifier and Type	Method and Description
void	accept(Visitor v) Call corresponding visitor method(s).
int	consumeStack(ConstantPoolGen cpg) Also works for instructions whose stack effect depends on the constant pool entry they reference.
Type[]	getArgumentTypes(ConstantPoolGen cpg)
java.lang.Class<?>[]	getExceptions()
java.lang.String	getMethodName(ConstantPoolGen cpg)
java.lang.String	getName(ConstantPoolGen cpg)
ConstantNameAndType	getNameAndType(ConstantPoolGen cpg)
Type	getReturnType(ConstantPoolGen cpg)
java.lang.String	getSignature(ConstantPoolGen cpg)
Type	getType(ConstantPoolGen cpg) Returns the type associated with this instruction.
protected void	initFromFile(ByteSequence bytes, boolean wide) Read needed data (i.e., index) from file.
int	produceStack(ConstantPoolGen cpg) Also works for instructions whose stack effect depends on the constant pool entry they reference.
java.lang.String	toString(ConstantPool cp)

Methods inherited from class org.apache.bcel.generic.FieldOrMethod

getClassName, getClassType, getLoadClassType, getReferenceType

Methods inherited from class org.apache.bcel.generic.CPInstruction

dump, getIndex, setIndex, toString

Methods inherited from class org.apache.bcel.generic.Instruction

copy, equals, getComparator, getLength, getName, getOpcode, hashCode, readInstruction, setComparator, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

INVOKEDYNAMIC

public INVOKEDYNAMIC(short opcode,
                     int index)

Parameters:

index - to constant pool

Method Detail

toString

public java.lang.String toString(ConstantPool cp)

Overrides:

toString in class CPInstruction

Returns:

mnemonic for instruction with symbolic references resolved

getNameAndType

public ConstantNameAndType getNameAndType(ConstantPoolGen cpg)

getSignature

public java.lang.String getSignature(ConstantPoolGen cpg)

Overrides:

getSignature in class FieldOrMethod

Returns:

signature of referenced method/field.

getName

public java.lang.String getName(ConstantPoolGen cpg)

Overrides:

getName in class FieldOrMethod

Returns:

name of referenced method/field.

consumeStack

public int consumeStack(ConstantPoolGen cpg)

Also works for instructions whose stack effect depends on the constant pool entry they reference.

Specified by:

consumeStack in interface StackConsumer

Overrides:

consumeStack in class Instruction

Returns:

Number of words consumed from stack by this instruction

produceStack

public int produceStack(ConstantPoolGen cpg)

Also works for instructions whose stack effect depends on the constant pool entry they reference.

Specified by:

produceStack in interface StackProducer

Overrides:

produceStack in class Instruction

Returns:

Number of words produced onto stack by this instruction

getType

public Type getType(ConstantPoolGen cpg)

Description copied from interface: LoadClass

Returns the type associated with this instruction. LoadClass instances are always typed, but this type does not always refer to the type of the class or interface that it possibly forces to load. For example, GETFIELD would return the type of the field and not the type of the class where the field is defined. If no class is forced to be loaded, null is returned. An example for this is an ANEWARRAY instruction that creates an int[][].

Specified by:

getType in interface LoadClass

Specified by:

getType in interface TypedInstruction

Overrides:

getType in class CPInstruction

Returns:

return type of referenced method.

See Also:

LoadClass.getLoadClassType(ConstantPoolGen)

getMethodName

public java.lang.String getMethodName(ConstantPoolGen cpg)

Returns:

name of referenced method.

getReturnType

public Type getReturnType(ConstantPoolGen cpg)

Returns:

return type of referenced method.

getArgumentTypes

public Type[] getArgumentTypes(ConstantPoolGen cpg)

Returns:

argument types of referenced method.

initFromFile

protected void initFromFile(ByteSequence bytes,
                            boolean wide)
                     throws java.io.IOException

Read needed data (i.e., index) from file.

Overrides:

initFromFile in class CPInstruction

Parameters:

bytes - input stream

wide - wide prefix?

Throws:

java.io.IOException - may be thrown if the implementation needs to read data from the file

getExceptions

public java.lang.Class<?>[] getExceptions()

Specified by:

getExceptions in interface ExceptionThrower

accept

public void accept(Visitor v)

Call corresponding visitor method(s). The order is: Call visitor methods of implemented interfaces first, then call methods according to the class hierarchy in descending order, i.e., the most specific visitXXX() call comes last.

Specified by:

accept in class Instruction

Parameters:

v - Visitor object