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java.lang.Objectorg.apache.bcel.generic.Instruction
org.apache.bcel.generic.CPInstruction
public abstract class CPInstruction
Abstract super class for instructions that use an index into the constant pool such as LDC, INVOKEVIRTUAL, etc.
ConstantPoolGen
,
LDC
,
INVOKEVIRTUAL
,
Serialized FormField Summary | |
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protected int |
index
|
Fields inherited from class org.apache.bcel.generic.Instruction |
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length, opcode |
Constructor Summary | |
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(package private) |
CPInstruction()
Empty constructor needed for the Class.newInstance() statement in Instruction.readInstruction(). |
protected |
CPInstruction(short opcode,
int index)
|
Method Summary | |
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void |
dump(java.io.DataOutputStream out)
Dump instruction as byte code to stream out. |
int |
getIndex()
|
Type |
getType(ConstantPoolGen cpg)
|
protected void |
initFromFile(ByteSequence bytes,
boolean wide)
Read needed data (i.e., index) from file. |
void |
setIndex(int index)
Set the index to constant pool. |
java.lang.String |
toString(boolean verbose)
Long output format: <name of opcode> "["<opcode number>"]" "("<length of instruction>")" "<"< constant pool index>">" |
java.lang.String |
toString(ConstantPool cp)
|
Methods inherited from class org.apache.bcel.generic.Instruction |
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accept, consumeStack, copy, dispose, equals, getComparator, getLength, getName, getOpcode, produceStack, readInstruction, setComparator, toString |
Methods inherited from class java.lang.Object |
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clone, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Field Detail |
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protected int index
Constructor Detail |
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CPInstruction()
protected CPInstruction(short opcode, int index)
index
- to constant poolMethod Detail |
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public void dump(java.io.DataOutputStream out) throws java.io.IOException
dump
in class Instruction
out
- Output stream
java.io.IOException
public java.lang.String toString(boolean verbose)
toString
in class Instruction
verbose
- long/short format switch
public java.lang.String toString(ConstantPool cp)
toString
in class Instruction
protected void initFromFile(ByteSequence bytes, boolean wide) throws java.io.IOException
initFromFile
in class Instruction
bytes
- input streamwide
- wide prefix?
java.io.IOException
public final int getIndex()
getIndex
in interface IndexedInstruction
public void setIndex(int index)
setIndex
in interface IndexedInstruction
index
- in constant pool.public Type getType(ConstantPoolGen cpg)
getType
in interface TypedInstruction
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