Package gnu.bytecode

Class SpecialObjectType

java.lang.Object

gnu.bytecode.Type

gnu.bytecode.ObjectType

gnu.bytecode.SpecialObjectType

All Implemented Interfaces:

Type

Direct Known Subclasses:

LangObjType

public class SpecialObjectType
extends ObjectType

Used for object types that don't correspond to JVM types. These are implemented by some implementation type (a ClassType), but may have extra non-standard properties.

Nested Class Summary

Nested classes/interfaces inherited from class gnu.bytecode.Type

Type.NeverReturns

Field Summary

Fields

Modifier and Type	Field	Description
protected ClassType	implementationType

Fields inherited from class gnu.bytecode.ObjectType

flags

Fields inherited from class gnu.bytecode.Type

boolean_ctype, boolean_type, booleanType, booleanValue_method, byte_type, byteType, char_type, charType, clone_method, double_type, doubleType, doubleValue_method, errorType, float_type, floatType, floatValue_method, int_type, intType, intValue_method, java_lang_Class_type, javalangannotationAnnotationType, javalangBooleanType, javalangCharacterType, javalangClassType, javalanginvokeMethodHandleType, javalangNumberType, javalangObjectType, javalangStringType, javalangThrowableType, long_type, longType, longValue_method, neverReturnsType, nullType, number_type, objectType, pointer_type, reflectClass, short_type, shortType, string_type, throwable_type, toString_method, tostring_type, toStringType, typeArray0, void_type, voidType

Constructor Summary

Constructors

Constructor	Description
SpecialObjectType(String name, ClassType implementationType)

Method Summary

Modifier and Type	Method	Description
int	compare(Type other)	Return a numeric code showing "subtype" relationship: 1: if other is a pure subtype of this; 0: if has the same values; -1: if this is a pure subtype of other; -2: if they have values in common but neither is a subtype of the other; -3: if the types have no values in common.
Method	getDeclaredMethod(String name, int argCount)
Field	getField(String name, int mask)
Type	getImplementationType()	Return Java-level implementation type.
ClassType[]	getInterfaces()
Method	getMethod(String name, Type[] arg_types)
int	getMethods(Filter filter, int searchSupers, List<Method> result)
Type	getRealType()	If this is a type alias, get the aliased type.
Class	getReflectClass()	Get the java.lang.Class object for the representation type.
ClassType	getSuperclass()

Methods inherited from class gnu.bytecode.ObjectType

coerceFromObject, emitCoerceFromObject, getContextClass, getContextClassLoader, getInternalName, getMethods, isExisting, isInstance, setExisting

Methods inherited from class gnu.bytecode.Type

coerceToObject, emitCoerceToObject, emitConvertFromPrimitive, emitIsInstance, getGenericSignature, getMaybeGenericSignature, getName, getRawType, getSignature, getSize, getSizeInWords, getType, hashCode, isCompatibleWithValue, isCompatibleWithValue, isInterface, isMoreSpecific, isSame, isSubtype, isValidJavaTypeName, isVoid, lookupType, lowestCommonSharedType, lowestCommonSuperType, make, make, printSignature, promote, promoteIfUnsigned, registerTypeForClass, setGenericSignature, setName, setReflectClass, setSignature, signatureLength, signatureLength, signatureToName, signatureToPrimitive, signatureToType, signatureToType, swappedCompareResult, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.reflect.Type

getTypeName

Field Detail

implementationType

protected ClassType implementationType

Constructor Detail

SpecialObjectType

public SpecialObjectType(String name,
                         ClassType implementationType)

Method Detail

getSuperclass

public ClassType getSuperclass()

Overrides:

getSuperclass in class ObjectType

getInterfaces

public ClassType[] getInterfaces()

Overrides:

getInterfaces in class ObjectType

getField

public Field getField(String name,
                      int mask)

Overrides:

getField in class ObjectType

getMethod

public Method getMethod(String name,
                        Type[] arg_types)

Overrides:

getMethod in class ObjectType

getDeclaredMethod

public Method getDeclaredMethod(String name,
                                int argCount)

getMethods

public int getMethods(Filter filter,
                      int searchSupers,
                      List<Method> result)

Overrides:

getMethods in class ObjectType

getReflectClass

public Class getReflectClass()

Description copied from class: ObjectType

Get the java.lang.Class object for the representation type.

Overrides:

getReflectClass in class ObjectType

getRealType

public Type getRealType()

Description copied from class: Type

If this is a type alias, get the aliased type. This is semi-deprecated.

Overrides:

getRealType in class Type

getImplementationType

public Type getImplementationType()

Description copied from class: Type

Return Java-level implementation type. The type used to implement types not natively understood by the JVM or the Java language. Usually, the identity function. However, a language might handle union types or template types or type expressions calculated at run time. In that case return the type used at the Java level, and known at compile time.

Overrides:

getImplementationType in class Type

compare

public int compare(Type other)

Description copied from class: Type

Return a numeric code showing "subtype" relationship: 1: if other is a pure subtype of this; 0: if has the same values; -1: if this is a pure subtype of other; -2: if they have values in common but neither is a subtype of the other; -3: if the types have no values in common. "Same values" is rather loose; by "A is a subtype of B" we mean that all instance of A can be "widened" to B. More formally, A.compare(B) returns: 1: all B values can be converted to A without a coercion failure (i.e. a ClassCastException or overflow or major loss of information), but not vice versa. 0: all A values can be converted to B without a coercion failure and vice versa; -1: all A values can be converted to B without a coercion failure but not vice versa; -2: there are (potentially) some A values that can be converted to B, and some B values can be converted to A; -3: there are no A values that can be converted to B, and neither are there any B values that can be converted to A.

Overrides:

compare in class ObjectType