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Class espresso.classfile.javaclass.Method
java.lang.Object
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+----espresso.classfile.javaclass.Method
- public final class Method
- extends Object
- implements Constants
This class represents the method info structure, i.e. the representation
for a method in the class. See JVM specification for details.
A method has access flags, a name, a signature and a number of attributes.
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access_flags
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attributes
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attributes_count
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constant_pool
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name_index
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signature_index
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Method()
- Empty constructor, all attributes have to be defined via `setXXX'
methods.
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Method(DataInputStream, ConstantPool)
- Construct object from file stream.
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Method(int, int, int, Attribute[], ConstantPool)
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Method(Method)
- Initialize from another object.
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accept(Visitor)
- Called by objects that are traversing the nodes of the tree implicitely
defined by the contents of a Java class.
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dump(DataOutputStream)
- Dump method to file stream on binary format.
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getAccessFlags()
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getAttributes()
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getCode()
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getConstantPool()
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getName()
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getNameIndex()
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getSignature()
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getSignatureIndex()
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setAccessFlags(int)
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setAttributes(Attribute[])
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setConstantPool(ConstantPool)
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setNameIndex(int)
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setSignatureIndex(int)
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toString()
- Return string representation close to declaration format,
`public static int main(String[]) throws IOException', e.g.
access_flags
private int access_flags
name_index
private int name_index
signature_index
private int signature_index
attributes_count
private int attributes_count
attributes
private Attribute attributes[]
constant_pool
private ConstantPool constant_pool
Method
public Method()
- Empty constructor, all attributes have to be defined via `setXXX'
methods. Use at your own risk.
Method
public Method(Method c)
- Initialize from another object. Note that both objects use the same
references (shallow copy). Use clone() for a physical copy.
Method
Method(DataInputStream file,
ConstantPool constant_pool) throws IOException, ClassFormatError
- Construct object from file stream.
- Parameters:
- file - Input stream
Method
public Method(int access_flags,
int name_index,
int signature_index,
Attribute attributes[],
ConstantPool constant_pool)
- Parameters:
- access_flags - Access rights of method
- name_index - Points to field name in constant pool
- signature_index - Points to encoded signature
- attributes - Collection of attributes
- constant_pool - Array of constants
accept
public void accept(Visitor v)
- Called by objects that are traversing the nodes of the tree implicitely
defined by the contents of a Java class. I.e., the hierarchy of methods,
fields, attributes, etc. spawns a tree of objects.
- Parameters:
- v - Visitor object
dump
public final void dump(DataOutputStream file) throws IOException
- Dump method to file stream on binary format.
- Parameters:
- file - Output file stream
getAccessFlags
public final int getAccessFlags()
- Returns:
- Access flags of the class field.
getAttributes
public final Attribute[] getAttributes()
- Returns:
- Collection of method attributes.
getCode
public final Code getCode()
- Returns:
- Code attribute of method
getConstantPool
public final ConstantPool getConstantPool()
- Returns:
- Constant pool used by this object.
- See Also:
- ConstantPool
getName
public final String getName()
- Returns:
- Name of method
getNameIndex
public final int getNameIndex()
- Returns:
- Index in constant pool of field name.
getSignature
public final String getSignature()
- Returns:
- String representation of method type signature.
getSignatureIndex
public final int getSignatureIndex()
- Returns:
- Index in constant pool of field signature.
setAccessFlags
public final void setAccessFlags(int access_flags)
setAttributes
public final void setAttributes(Attribute attributes[])
setConstantPool
public final void setConstantPool(ConstantPool constant_pool)
- Parameters:
- constant_pool - Constant pool to be used for this object.
- See Also:
- ConstantPool
setNameIndex
public final void setNameIndex(int name_index)
setSignatureIndex
public final void setSignatureIndex(int signature_index)
toString
public final String toString()
- Return string representation close to declaration format,
`public static int main(String[]) throws IOException', e.g.
- Returns:
- String representation of the method.
- Overrides:
- toString in class Object
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