org.multijava.util.classfile
Class MethodInfo

java.lang.Object
  org.multijava.util.classfile.Member
      org.multijava.util.classfile.MethodInfo

All Implemented Interfaces:

Comparable, Constants

Direct Known Subclasses:

CMethodInfo, MultimethodInfo

public class MethodInfo

extends Member

VMS 4.6: Methods Each method, and each (class or instance) initialization method is described by this structure.

Field Summary
protected  AttributeList	attributes
private  AsciiConstant	name
private  AsciiConstant	type

 

Fields inherited from class org.multijava.util.classfile.Member

 

Fields inherited from interface org.multijava.util.classfile.Constants

ACC_ABSTRACT, ACC_FINAL, ACC_INTERFACE, ACC_NATIVE, ACC_PRIVATE, ACC_PROTECTED, ACC_PUBLIC, ACC_STATIC, ACC_STRICT, ACC_SUPER, ACC_SYNCHRONIZED, ACC_SYNTHETIC, ACC_TRANSIENT, ACC_VOLATILE, ACCESS_FLAG_ARRAY, ACCESS_FLAG_NAMES, ATT_ANCHOR, ATT_BRIDGE, ATT_CODE, ATT_CONSTANTVALUE, ATT_DEPRECATED, ATT_DISPATCHER, ATT_EXCEPTIONS, ATT_GENERIC, ATT_GENERIC_FUNCTIONS, ATT_INNERCLASSES, ATT_LINENUMBERTABLE, ATT_LOCALVARIABLETABLE, ATT_MM_BODY, ATT_REDIRECTOR, ATT_RMJ_GLUE, ATT_RMJ_SIGNATURE, ATT_RUNTIME_VISIBLE_ANNOTATIONS, ATT_RUNTIME_VISIBLE_PARAMETER_ANNOTATIONS, ATT_SIGNATURE, ATT_SOURCEFILE, ATT_SYNTHETIC, ATT_UNIVERSE_FIELD, ATT_UNIVERSE_METHOD, ATT_UNIVERSE_VERSION, CST_CLASS, CST_DOUBLE, CST_FIELD, CST_FLOAT, CST_INTEGER, CST_INTERFACEMETHOD, CST_LONG, CST_METHOD, CST_NAMEANDTYPE, CST_STRING, CST_UTF8, ENV_DEBUG_MODE, ENV_USE_CACHE, JAVA_MAGIC, JAVA_MAJOR, JAVA_MINOR, MAX_CODE_PER_METHOD, opc_aaload, opc_aastore, opc_aconst_null, opc_aload, opc_aload_0, opc_aload_1, opc_aload_2, opc_aload_3, opc_anewarray, opc_areturn, opc_arraylength, opc_astore, opc_astore_0, opc_astore_1, opc_astore_2, opc_astore_3, opc_athrow, opc_baload, opc_bastore, opc_bipush, opc_caload, opc_castore, opc_checkcast, opc_d2f, opc_d2i, opc_d2l, opc_dadd, opc_daload, opc_dastore, opc_dcmpg, opc_dcmpl, opc_dconst_0, opc_dconst_1, opc_ddiv, opc_dload, opc_dload_0, opc_dload_1, opc_dload_2, opc_dload_3, opc_dmul, opc_dneg, opc_drem, opc_dreturn, opc_dstore, opc_dstore_0, opc_dstore_1, opc_dstore_2, opc_dstore_3, opc_dsub, opc_dup, opc_dup2, opc_dup2_x1, opc_dup2_x2, opc_dup_x1, opc_dup_x2, opc_f2d, opc_f2i, opc_f2l, opc_fadd, opc_faload, opc_fastore, opc_fcmpg, opc_fcmpl, opc_fconst_0, opc_fconst_1, opc_fconst_2, opc_fdiv, opc_fload, opc_fload_0, opc_fload_1, opc_fload_2, opc_fload_3, opc_fmul, opc_fneg, opc_frem, opc_freturn, opc_fstore, opc_fstore_0, opc_fstore_1, opc_fstore_2, opc_fstore_3, opc_fsub, opc_getfield, opc_getstatic, opc_goto, opc_goto_w, opc_i2b, opc_i2c, opc_i2d, opc_i2f, opc_i2l, opc_i2s, opc_iadd, opc_iaload, opc_iand, opc_iastore, opc_iconst_0, opc_iconst_1, opc_iconst_2, opc_iconst_3, opc_iconst_4, opc_iconst_5, opc_iconst_m1, opc_idiv, opc_if_acmpeq, opc_if_acmpne, opc_if_icmpeq, opc_if_icmpge, opc_if_icmpgt, opc_if_icmple, opc_if_icmplt, opc_if_icmpne, opc_ifeq, opc_ifge, opc_ifgt, opc_ifle, opc_iflt, opc_ifne, opc_ifnonnull, opc_ifnull, opc_iinc, opc_iload, opc_iload_0, opc_iload_1, opc_iload_2, opc_iload_3, opc_imul, opc_ineg, opc_instanceof, opc_invokeinterface, opc_invokespecial, opc_invokestatic, opc_invokevirtual, opc_ior, opc_irem, opc_ireturn, opc_ishl, opc_ishr, opc_istore, opc_istore_0, opc_istore_1, opc_istore_2, opc_istore_3, opc_isub, opc_iushr, opc_ixor, opc_jsr, opc_jsr_w, opc_l2d, opc_l2f, opc_l2i, opc_ladd, opc_laload, opc_land, opc_lastore, opc_lcmp, opc_lconst_0, opc_lconst_1, opc_ldc, opc_ldc2_w, opc_ldc_w, opc_ldiv, opc_lload, opc_lload_0, opc_lload_1, opc_lload_2, opc_lload_3, opc_lmul, opc_lneg, opc_lookupswitch, opc_lor, opc_lrem, opc_lreturn, opc_lshl, opc_lshr, opc_lstore, opc_lstore_0, opc_lstore_1, opc_lstore_2, opc_lstore_3, opc_lsub, opc_lushr, opc_lxor, opc_monitorenter, opc_monitorexit, opc_multianewarray, opc_new, opc_newarray, opc_nop, opc_pop, opc_pop2, opc_putfield, opc_putstatic, opc_ret, opc_return, opc_saload, opc_sastore, opc_sipush, opc_swap, opc_tableswitch, opc_wide, opc_xxxunusedxxx, POO_ASCII_CONSTANT, POO_CLASS_CONSTANT, POO_DOUBLE_CONSTANT, POO_FLOAT_CONSTANT, POO_INTEGER_CONSTANT, POO_LONG_CONSTANT, POO_NAT_CONSTANT, POO_REF_CONSTANT, POO_STRING_CONSTANT, TYP_ADDRESS, TYP_DOUBLE, TYP_FLOAT, TYP_INT, TYP_LONG, TYP_REFERENCE, TYP_VOID

 

Constructor Summary

MethodInfo(DataInput in, ConstantPool cp, boolean interfaceOnly)           Constructs a method entry from a class file stream

MethodInfo(short modifiers, String name, String type, String genericsignature, String[] exceptions, CodeInfo code, boolean deprecated, boolean synthetic)           Constructs a method entry

 

Method Summary
void	addAttribute(Attribute attr)           Adds the given custom attribute to the attribute list of this, replacing any existing attribute of the same kind.
private static boolean	containsUniverseAnnotation(RuntimeVisibleAnnotationsAttribute attr)           Returns whether the given annotations attribute of the method contains Universe annotations for the purity or the return type of the method.
private static boolean	containsUniverseAnnotation(RuntimeVisibleParameterAnnotationsAttribute pattr)           Returns whether the given annotations attribute of the method contains Universe annotations for any of the parameter types.
CodeInfo	getCodeInfo()           Returns the code attribute associated with this method
String[]	getExceptions()           Returns the exceptions of this method
String	getGenericSignature()
String	getName()           Returns the name of this method
protected  int	getParameterCount()           Computes the number of parameters.
String	getSignature()           Returns the type of the this method
CUniverseMethodAnnotation	getUniverseAnnotation()           Return this method's universe annotation, or null if no annotation is present.
boolean	hasSyntheticReceiver()           Returns true if the method represented by this has a synthetic receiver parameter (in the first parameter position).
boolean	isDeprecated()           Returns true if the field is deprecated
boolean	isDispatcher()           Returns true if the method represented by this is a compiler-generated multimethod dispatcher.
boolean	isMultimethodBody()           Returns true if the method represented by this is a compiler-generated multimethod body.
boolean	isRedirector()           Returns true if the method represented by this is a compiler-generated pleomorphic method redirector.
boolean	isSynthetic()           Returns true if the field is synthetic
void	resolveConstants(ConstantPool cp)           Insert or check location of constant value on constant pool
void	setCodeInfo(CodeInfo info)           Sets the code attribute associated with this method
void	setDeprecated(boolean deprecated)           Sets the deprecated attribute of this field
void	setExceptions(String[] exceptions)           Sets the exceptions
void	setGenericSignature(String type)
void	setName(String name)           Sets the name of the this method
void	setSignature(String type)           Returns the type of the this method
void	setSynthetic(boolean synthetic)           Returns true if the field is synthetic
void	write(ConstantPool cp, DataOutput out)           Write this class into the the file (out) getting data position from the constant pool

 

Methods inherited from class org.multijava.util.classfile.Member

compareTo, equals, getModifiers, hashCode, setModifiers, toString

 

Methods inherited from class java.lang.Object

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

 

Field Detail

name

private AsciiConstant name

type

private AsciiConstant type

attributes

protected final AttributeList attributes

MethodInfo

public MethodInfo(short modifiers,
                  String name,
                  String type,
                  String genericsignature,
                  String[] exceptions,
                  CodeInfo code,
                  boolean deprecated,
                  boolean synthetic)

Constructs a method entry

Parameters:

modifiers - access permission to and properties of the method

name - the simple name of the method (or or )

type - the method signature

exceptions - the checked exceptions the method may throw

code - the virtual machine instructions and auxiliary infos

deprecated - is this method deprecated ?

synthetic - is this method synthesized by the compiler ? NOTE: VMS 4.7.5: There must be exactly one Exceptions attribute in each method_info structure.

MethodInfo

public MethodInfo(DataInput in,
                  ConstantPool cp,
                  boolean interfaceOnly)
           throws IOException,
                  ClassFileFormatException

Constructs a method entry from a class file stream

Parameters:

in - the stream to read from

cp - the constant pool

interfaceOnly - load only the interface, not the source code

Throws:

IOException - an io problem has occured

ClassFileFormatException - attempt to write a bad classfile info

getName

public String getName()

Returns the name of this method

setName

public void setName(String name)

Sets the name of the this method

getSignature

public String getSignature()

Returns the type of the this method

getGenericSignature

public String getGenericSignature()

setGenericSignature

public void setGenericSignature(String type)

setSignature

public void setSignature(String type)

Returns the type of the this method

getExceptions

public String[] getExceptions()

Returns the exceptions of this method

setExceptions

public void setExceptions(String[] exceptions)

Sets the exceptions

isDeprecated

public boolean isDeprecated()

Returns true if the field is deprecated

setDeprecated

public void setDeprecated(boolean deprecated)

Sets the deprecated attribute of this field

isSynthetic

public boolean isSynthetic()

Returns true if the field is synthetic

setSynthetic

public void setSynthetic(boolean synthetic)

Returns true if the field is synthetic

getCodeInfo

public CodeInfo getCodeInfo()

Returns the code attribute associated with this method

setCodeInfo

public void setCodeInfo(CodeInfo info)

Sets the code attribute associated with this method

isMultimethodBody

public boolean isMultimethodBody()

Returns true if the method represented by this is a compiler-generated multimethod body.

isDispatcher

public boolean isDispatcher()

Returns true if the method represented by this is a compiler-generated multimethod dispatcher.

isRedirector

public boolean isRedirector()

Returns true if the method represented by this is a compiler-generated pleomorphic method redirector.

hasSyntheticReceiver

public boolean hasSyntheticReceiver()

Returns true if the method represented by this has a synthetic receiver parameter (in the first parameter position).

getUniverseAnnotation

public CUniverseMethodAnnotation getUniverseAnnotation()

Return this method's universe annotation, or null if no annotation is present. By AHS.

containsUniverseAnnotation

private static boolean containsUniverseAnnotation(RuntimeVisibleAnnotationsAttribute attr)

Returns whether the given annotations attribute of the method contains Universe annotations for the purity or the return type of the method.

Parameters:

attr - The annotations attribute which may contain Universe annotations.

Returns:

Whether the given attribute contains Universe annotations.

containsUniverseAnnotation

private static boolean containsUniverseAnnotation(RuntimeVisibleParameterAnnotationsAttribute pattr)

Returns whether the given annotations attribute of the method contains Universe annotations for any of the parameter types.

Parameters:

pattr - The annotations attribute which may contain Universe annotations.

Returns:

Whether the given attribute contains Universe annotations.

addAttribute

public void addAttribute(Attribute attr)

Adds the given custom attribute to the attribute list of this, replacing any existing attribute of the same kind.

resolveConstants

public void resolveConstants(ConstantPool cp)
                      throws ClassFileFormatException

Insert or check location of constant value on constant pool

Parameters:

cp - the constant pool for this class

Throws:

ClassFileFormatException

write

public void write(ConstantPool cp,
                  DataOutput out)
           throws IOException,
                  ClassFileFormatException

Write this class into the the file (out) getting data position from the constant pool

Parameters:

cp - the constant pool that contain all data

out - the file where to write this object info

Throws:

IOException - an io problem has occured

ClassFileFormatException - attempt to write a bad classfile info

getParameterCount

protected int getParameterCount()

Computes the number of parameters.