diff options
Diffstat (limited to 'libjava/java/lang/Class.h')
| -rw-r--r-- | libjava/java/lang/Class.h | 88 |
1 files changed, 73 insertions, 15 deletions
diff --git a/libjava/java/lang/Class.h b/libjava/java/lang/Class.h index 717eed7..8aefb70 100644 --- a/libjava/java/lang/Class.h +++ b/libjava/java/lang/Class.h @@ -22,6 +22,10 @@ details. */ extern "C" void _Jv_InitClass (jclass klass); extern "C" void _Jv_RegisterClasses (jclass *classes); +// This must be predefined with "C" linkage. +extern "C" void *_Jv_LookupInterfaceMethodIdx (jclass klass, jclass iface, + int meth_idx); + // These are the possible values for the `state' field of the class // structure. Note that ordering is important here. Whenever the // state changes, one should notify all waiters of this class. @@ -60,13 +64,41 @@ struct _Jv_Method _Jv_Utf8Const *signature; _Jv_ushort accflags; void *ncode; - _Jv_Method *getNextMethod () { return this + 1; } }; +// Interface Dispatch Tables +union _Jv_IDispatchTable +{ + struct + { + // Index into interface's ioffsets. + jshort iindex; + jshort itable_length; + // Class Interface dispatch table. + void **itable; + } cls; + + struct + { + // Offsets into implementation class itables. + jshort *ioffsets; + } iface; +}; + +// Used by _Jv_GetInterfaces () +struct _Jv_ifaces +{ + jclass *list; + jshort len; + jshort count; +}; + #define JV_PRIMITIVE_VTABLE ((_Jv_VTable *) -1) +#define JV_CLASS(Obj) ((jclass) (*(_Jv_VTable **) Obj)->clas) + class java::lang::Class : public java::lang::Object { public: @@ -78,11 +110,6 @@ public: return loader; } - jclass getComponentType (void) - { - return isArray () ? (* (jclass *) &methods) : 0; - } - java::lang::reflect::Constructor *getConstructor (JArray<jclass> *); JArray<java::lang::reflect::Constructor *> *getConstructors (void); java::lang::reflect::Constructor *getDeclaredConstructor (JArray<jclass> *); @@ -112,7 +139,7 @@ public: java::lang::reflect::Method *getMethod (jstring, JArray<jclass> *); JArray<java::lang::reflect::Method *> *getMethods (void); - jint getModifiers (void) + inline jint getModifiers (void) { return accflags; } @@ -123,21 +150,26 @@ public: java::io::InputStream *getResourceAsStream (jstring resourceName); JArray<jobject> *getSigners (void); - jclass getSuperclass (void) + inline jclass getSuperclass (void) { return superclass; } - jboolean isArray (void) + inline jboolean isArray (void) { return name->data[0] == '['; } + inline jclass getComponentType (void) + { + return isArray () ? (* (jclass *) &methods) : 0; + } + jboolean isAssignableFrom (jclass cls); jboolean isInstance (jobject obj); jboolean isInterface (void); - - jboolean isPrimitive (void) + + inline jboolean isPrimitive (void) { return vtable == JV_PRIMITIVE_VTABLE; } @@ -150,11 +182,12 @@ public: { return size_in_bytes; } - + // finalization void finalize (); -private: +private: + void checkMemberAccess (jint flags); void initializeClass (void); @@ -162,10 +195,19 @@ private: // Friend functions implemented in natClass.cc. friend _Jv_Method *_Jv_GetMethodLocal (jclass klass, _Jv_Utf8Const *name, _Jv_Utf8Const *signature); + friend jboolean _Jv_IsAssignableFrom(jclass, jclass); + friend void *_Jv_LookupInterfaceMethodIdx (jclass klass, jclass iface, + int method_idx); + + inline friend void + _Jv_InitClass (jclass klass) + { + if (klass->state != JV_STATE_DONE) + klass->initializeClass (); + } + friend _Jv_Method* _Jv_LookupDeclaredMethod (jclass, _Jv_Utf8Const *, _Jv_Utf8Const*); - friend void _Jv_InitClass (jclass klass); - friend jfieldID JvGetFirstInstanceField (jclass); friend jint JvNumInstanceFields (jclass); friend jfieldID JvGetFirstStaticField (jclass); @@ -205,6 +247,12 @@ private: java::lang::ClassLoader *loader); friend void _Jv_PrepareCompiledClass (jclass); + friend void _Jv_PrepareConstantTimeTables (jclass); + friend jshort _Jv_GetInterfaces (jclass, _Jv_ifaces *); + friend void _Jv_GenerateITable (jclass, _Jv_ifaces *, jshort *); + friend jstring _Jv_GetMethodString(jclass, _Jv_Utf8Const *); + friend jshort _Jv_AppendPartialITable (jclass, jclass, void **, jshort); + friend jshort _Jv_FindIIndex (jclass *, jshort *, jshort); #ifdef INTERPRETER friend jboolean _Jv_IsInterpretedClass (jclass); @@ -213,6 +261,10 @@ private: _Jv_Utf8Const*); friend void _Jv_InitField (jobject, jclass, int); friend _Jv_word _Jv_ResolvePoolEntry (jclass, int); + friend _Jv_Method *_Jv_SearchMethodInClass (jclass cls, jclass klass, + _Jv_Utf8Const *method_name, + _Jv_Utf8Const *method_signature); + friend void _Jv_PrepareClass (jclass); friend class _Jv_ClassReader; @@ -265,6 +317,12 @@ private: // The thread which has locked this class. Used during class // initialization. java::lang::Thread *thread; + // How many levels of "extends" this class is removed from Object. + jshort depth; + // Vector of this class's superclasses, ordered by decreasing depth. + jclass *ancestors; + // Interface Dispatch Table. + _Jv_IDispatchTable *idt; }; #endif /* __JAVA_LANG_CLASS_H__ */ |