public class ConstantPool extends Object implements Cloneable, Node
Constant
,
ConstantPoolGen
Constructor and Description |
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ConstantPool(Constant[] constant_pool) |
ConstantPool(DataInput input)
Reads constants from given input stream.
|
Modifier and Type | Method and Description |
---|---|
void |
accept(Visitor v)
Called by objects that are traversing the nodes of the tree implicitely
defined by the contents of a Java class.
|
String |
constantToString(Constant c)
Resolves constant to a string representation.
|
String |
constantToString(int index,
byte tag)
Retrieves constant at `index' from constant pool and resolve it to
a string representation.
|
ConstantPool |
copy() |
void |
dump(DataOutputStream file)
Dump constant pool to file stream in binary format.
|
Constant |
getConstant(int index)
Gets constant from constant pool.
|
Constant |
getConstant(int index,
byte tag)
Gets constant from constant pool and check whether it has the
expected type.
|
Constant[] |
getConstantPool() |
String |
getConstantString(int index,
byte tag)
Gets string from constant pool and bypass the indirection of
`ConstantClass' and `ConstantString' objects.
|
int |
getLength() |
void |
setConstant(int index,
Constant constant) |
void |
setConstantPool(Constant[] constant_pool) |
String |
toString() |
public ConstantPool(Constant[] constant_pool)
constant_pool
- Array of constantspublic ConstantPool(DataInput input) throws IOException, ClassFormatException
input
- Input streamIOException
ClassFormatException
public void accept(Visitor v)
public String constantToString(Constant c) throws ClassFormatException
c
- Constant to be printedClassFormatException
public String constantToString(int index, byte tag) throws ClassFormatException
index
- of constant in constant pooltag
- expected typeClassFormatException
public void dump(DataOutputStream file) throws IOException
file
- Output file streamIOException
public Constant getConstant(int index)
index
- Index in constant poolConstant
public Constant getConstant(int index, byte tag) throws ClassFormatException
index
- Index in constant pooltag
- Tag of expected constant, i.e., its typeClassFormatException
Constant
public String getConstantString(int index, byte tag) throws ClassFormatException
index
- Index in constant pooltag
- Tag of expected constant, either ConstantClass or ConstantStringClassFormatException
ConstantClass
,
ConstantString
public int getLength()
public void setConstant(int index, Constant constant)
constant
- Constant to setpublic void setConstantPool(Constant[] constant_pool)
constant_pool
- public String toString()
public ConstantPool copy()
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