Package org.aspectj.org.eclipse.jdt.internal.compiler.classfmt

Class MethodInfo

java.lang.Object

org.aspectj.org.eclipse.jdt.internal.compiler.classfmt.ClassFileStruct

org.aspectj.org.eclipse.jdt.internal.compiler.classfmt.MethodInfo

All Implemented Interfaces:

Comparable, IBinaryInfo, IBinaryMethod, IElementInfo, IGenericMethod

Direct Known Subclasses:

AnnotationMethodInfo, MethodInfoWithAnnotations

public class MethodInfo
extends ClassFileStruct
implements IBinaryMethod, Comparable

Field Summary

Fields

Modifier and Type	Field	Description
protected int	accessFlags
protected char[][]	argumentNames
protected int	attributeBytes
protected char[]	descriptor
protected char[][]	exceptionNames
protected char[]	name
protected char[]	signature
protected int	signatureUtf8Offset
protected long	tagBits
protected long	version

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	MethodInfo(byte[] classFileBytes, int[] offsets, int offset, long version)

Method Summary

Modifier and Type	Method	Description
int	compareTo(Object o)
static MethodInfo	createMethod(byte[] classFileBytes, int[] offsets, int offset, long version)
boolean	equals(Object o)
int	getAnnotatedParametersCount()	Answer the number of parameter annotations that can be retrieved using IBinaryMethod.getParameterAnnotations(int, char[]).
IBinaryAnnotation[]	getAnnotations()	Answer the runtime visible and invisible annotations for this method or null if none.
char[][]	getArgumentNames()	Answer the names of the argument or null if the argument names are not available.
Object	getDefaultValue()	Return ClassSignature for a Class Class.
char[][]	getExceptionTypeNames()	Answer the resolved names of the exception types in the class file format as specified in section 4.2 of the Java 2 VM spec or null if the array is empty.
char[]	getGenericSignature()	Answer the receiver's MethodSignature, which describes the type parameters, parameter types, return type, and exception types as specified in "4.7.9.1 Signatures" of the Java SE 8 VM spec.
char[]	getMethodDescriptor()	Answer the receiver's method descriptor which describes the parameter and return types as specified in section 4.4.3 of the Java 2 VM spec.
int	getModifiers()	Answer an int whose bits are set according the access constants defined by the VM spec.
IBinaryAnnotation[]	getParameterAnnotations(int index, char[] classFileName)	Answer the annotations on the indexth parameter or null if none
char[]	getSelector()	Answer the name of the method.
long	getTagBits()	Answer the tagbits set according to the bits for annotations.
IBinaryTypeAnnotation[]	getTypeAnnotations()	Answer the type annotations on this method.
int	hashCode()
protected void	initialize()	This method is used to fully initialize the contents of the receiver.
boolean	isClinit()	Answer true if the method is a class initializer, false otherwise.
boolean	isConstructor()	Answer true if the method is a constructor, false otherwise.
boolean	isSynthetic()	Return true if the field is a synthetic method, false otherwise.
int	sizeInBytes()	Answer the size of the receiver in bytes.
String	toString()
protected void	toStringContent(StringBuilder buffer)

Methods inherited from class org.aspectj.org.eclipse.jdt.internal.compiler.classfmt.ClassFileStruct

doubleAt, floatAt, i4At, i8At, reset, u1At, u2At, u4At, utf8At

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.aspectj.org.eclipse.jdt.internal.compiler.env.IBinaryMethod

getParameterCount

Field Details

accessFlags

protected int accessFlags

attributeBytes

protected int attributeBytes

descriptor

protected char[] descriptor

exceptionNames

protected volatile char[][] exceptionNames

name

protected char[] name

signature

protected char[] signature

signatureUtf8Offset

protected int signatureUtf8Offset

tagBits

protected long tagBits

argumentNames

protected volatile char[][] argumentNames

version

protected long version

Constructor Details

MethodInfo

protected MethodInfo(byte[] classFileBytes,
 int[] offsets,
 int offset,
 long version)

Parameters:

classFileBytes - byte[]

offsets - int[]

offset - int

version - class file version

Method Details

createMethod

public static MethodInfo createMethod(byte[] classFileBytes,
 int[] offsets,
 int offset,
 long version)

compareTo

public int compareTo(Object o)

Specified by:

compareTo in interface Comparable

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

getAnnotations

public IBinaryAnnotation[] getAnnotations()

Description copied from interface: IBinaryMethod

Answer the runtime visible and invisible annotations for this method or null if none.

Specified by:

getAnnotations in interface IBinaryMethod

getArgumentNames

public char[][] getArgumentNames()

Description copied from interface: IGenericMethod

Answer the names of the argument or null if the argument names are not available.

Specified by:

getArgumentNames in interface IGenericMethod

See Also:

• invalid reference

  org.eclipse.jdt.internal.compiler.env.IGenericMethod#getArgumentNames()

getDefaultValue

public Object getDefaultValue()

Description copied from interface: IBinaryMethod

Return ClassSignature for a Class Class. Return Constant for compile-time constant of primitive type, as well as String literals. Return EnumConstantSignature if value is an enum constant. Return IBinaryAnnotation for annotation type. Return Object[] for array type.

Specified by:

getDefaultValue in interface IBinaryMethod

Returns:

default value of this annotation method

getExceptionTypeNames

public char[][] getExceptionTypeNames()

Description copied from interface: IBinaryMethod

Answer the resolved names of the exception types in the class file format as specified in section 4.2 of the Java 2 VM spec or null if the array is empty. For example, java.lang.String is java/lang/String.

Specified by:

getExceptionTypeNames in interface IBinaryMethod

getGenericSignature

public char[] getGenericSignature()

Description copied from interface: IBinaryMethod

Answer the receiver's MethodSignature, which describes the type parameters, parameter types, return type, and exception types as specified in "4.7.9.1 Signatures" of the Java SE 8 VM spec.

Specified by:

getGenericSignature in interface IBinaryMethod

getMethodDescriptor

public char[] getMethodDescriptor()

Description copied from interface: IBinaryMethod

Answer the receiver's method descriptor which describes the parameter and return types as specified in section 4.4.3 of the Java 2 VM spec. For example:

   - int foo(String) is (Ljava/lang/String;)I
   - Object[] foo(int) is (I)[Ljava/lang/Object;
 

Specified by:

getMethodDescriptor in interface IBinaryMethod

getModifiers

public int getModifiers()

Answer an int whose bits are set according the access constants defined by the VM spec. Set the AccDeprecated and AccSynthetic bits if necessary

Specified by:

getModifiers in interface IGenericMethod

Returns:

int

getParameterAnnotations

public IBinaryAnnotation[] getParameterAnnotations(int index,
 char[] classFileName)

Description copied from interface: IBinaryMethod

Answer the annotations on the indexth parameter or null if none

Specified by:

getParameterAnnotations in interface IBinaryMethod

Parameters:

index - the index of the parameter of interest

classFileName - (file) name of the declaring class for error reporting

getAnnotatedParametersCount

public int getAnnotatedParametersCount()

Description copied from interface: IBinaryMethod

Answer the number of parameter annotations that can be retrieved using IBinaryMethod.getParameterAnnotations(int, char[]).

Specified by:

getAnnotatedParametersCount in interface IBinaryMethod

Returns:

one beyond the highest legal argument to IBinaryMethod.getParameterAnnotations(int, char[]).

getTypeAnnotations

public IBinaryTypeAnnotation[] getTypeAnnotations()

Description copied from interface: IBinaryMethod

Answer the type annotations on this method.

Specified by:

getTypeAnnotations in interface IBinaryMethod

getSelector

public char[] getSelector()

Description copied from interface: IBinaryMethod

Answer the name of the method. For a constructor, answer <init> & <clinit> for a clinit method.

Specified by:

getSelector in interface IBinaryMethod

getTagBits

public long getTagBits()

Description copied from interface: IBinaryMethod

Answer the tagbits set according to the bits for annotations.

Specified by:

getTagBits in interface IBinaryMethod

initialize

protected void initialize()

This method is used to fully initialize the contents of the receiver. All methodinfos, fields infos will be therefore fully initialized and we can get rid of the bytes.

isClinit

public boolean isClinit()

Answer true if the method is a class initializer, false otherwise.

Specified by:

isClinit in interface IBinaryMethod

Returns:

boolean

isConstructor

public boolean isConstructor()

Answer true if the method is a constructor, false otherwise.

Specified by:

isConstructor in interface IGenericMethod

Returns:

boolean

isSynthetic

public boolean isSynthetic()

Return true if the field is a synthetic method, false otherwise.

Returns:

boolean

sizeInBytes

public int sizeInBytes()

Answer the size of the receiver in bytes.

Returns:

int

toString

public String toString()

Overrides:

toString in class Object

toStringContent

protected void toStringContent(StringBuilder buffer)