--- /dev/null
+/* src/vm/class.hpp - class related functions header
+
+ Copyright (C) 1996-2005, 2006, 2007, 2008
+ CACAOVM - Verein zur Foerderung der freien virtuellen Maschine CACAO
+
+ This file is part of CACAO.
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU General Public License as
+ published by the Free Software Foundation; either version 2, or (at
+ your option) any later version.
+
+ This program is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ 02110-1301, USA.
+
+*/
+
+
+#ifndef _CLASS_HPP
+#define _CLASS_HPP
+
+/* forward typedefs ***********************************************************/
+
+typedef struct classinfo classinfo;
+typedef struct innerclassinfo innerclassinfo;
+typedef struct extra_classref extra_classref;
+
+
+#include "config.h"
+
+#include <stdint.h>
+
+#include "vm/types.h"
+
+#if defined(ENABLE_JAVASE)
+# include "vm/annotation.h"
+#endif
+
+#include "vm/field.hpp"
+#include "vm/global.h"
+#include "vm/linker.h"
+#include "vm/loader.hpp"
+#include "vm/method.h"
+#include "vm/references.h"
+#include "vm/string.hpp"
+#include "vm/utf8.h"
+
+/* class state defines ********************************************************/
+
+#define CLASS_LOADING 0x0001
+#define CLASS_LOADED 0x0002
+#define CLASS_LINKING 0x0004
+#define CLASS_LINKED 0x0008
+#define CLASS_INITIALIZING 0x0010
+#define CLASS_INITIALIZED 0x0020
+#define CLASS_ERROR 0x0040
+
+
+/* some macros ****************************************************************/
+
+#define CLASS_IS_OR_ALMOST_INITIALIZED(c) \
+ (((c)->state & CLASS_INITIALIZING) || ((c)->state & CLASS_INITIALIZED))
+
+
+/* classinfo ******************************************************************/
+
+/* We define this dummy structure of java_lang_Class so we can
+ bootstrap cacaoh without needing a java_lang_Class.h file. Whether
+ the size of the dummy structure is big enough is checked during
+ runtime in vm_create. */
+
+typedef struct {
+ java_object_t header;
+#if defined(WITH_JAVA_RUNTIME_LIBRARY_GNU_CLASSPATH)
+ intptr_t padding[4];
+#elif defined(WITH_JAVA_RUNTIME_LIBRARY_OPENJDK)
+ intptr_t padding[19];
+#elif defined(WITH_JAVA_RUNTIME_LIBRARY_CLDC1_1)
+ intptr_t padding[3];
+#else
+# error unknown classpath configuration
+#endif
+} dummy_java_lang_Class;
+
+struct classinfo { /* class structure */
+ dummy_java_lang_Class object;
+
+ s4 flags; /* ACC flags */
+ utf *name; /* class name */
+
+ s4 cpcount; /* number of entries in constant pool */
+ u1 *cptags; /* constant pool tags */
+ void* *cpinfos; /* pointer to constant pool info structures */
+
+ s4 classrefcount; /* number of symbolic class references */
+ constant_classref *classrefs; /* table of symbolic class references */
+ extra_classref *extclassrefs; /* additional classrefs */
+ s4 parseddescsize; /* size of the parsed descriptors block */
+ u1 *parseddescs; /* parsed descriptors */
+
+ classinfo *super; /* super class */
+ classinfo *sub; /* sub class pointer */
+ classinfo *nextsub; /* pointer to next class in sub class list */
+
+ int32_t interfacescount; /* number of interfaces */
+ classinfo **interfaces; /* super interfaces */
+
+ int32_t fieldscount; /* number of fields */
+ fieldinfo *fields; /* field table */
+
+ int32_t methodscount; /* number of methods */
+ methodinfo *methods; /* method table */
+
+ s4 state; /* current class state */
+ s4 index; /* hierarchy depth (classes) or index */
+ /* (interfaces) */
+ s4 instancesize; /* size of an instance of this class */
+
+ vftbl_t *vftbl; /* pointer to virtual function table */
+
+ methodinfo *finalizer; /* finalizer method */
+
+ u2 innerclasscount; /* number of inner classes */
+ innerclassinfo *innerclass;
+
+ classref_or_classinfo declaringclass;
+ classref_or_classinfo enclosingclass; /* enclosing class */
+ constant_nameandtype *enclosingmethod; /* enclosing method */
+
+ utf *packagename; /* full name of the package */
+ utf *sourcefile; /* SourceFile attribute */
+#if defined(ENABLE_JAVASE)
+ utf *signature; /* Signature attribute */
+#if defined(ENABLE_ANNOTATIONS)
+ /* All the annotation attributes are NULL (and not a zero length array) */
+ /* if there is nothing. */
+ java_object_t *annotations; /* annotations of this class */
+
+ java_object_t *method_annotations; /* array of annotations of the methods */
+ java_object_t *method_parameterannotations; /* array of parameter */
+ /* annotations of the methods */
+ java_object_t *method_annotationdefaults; /* array of annotation default */
+ /* values of the methods */
+
+ java_object_t *field_annotations; /* array of annotations of the fields */
+
+#endif
+#endif
+ classloader_t *classloader; /* NULL for bootstrap classloader */
+
+#if defined(ENABLE_JAVASE)
+# if defined(WITH_JAVA_RUNTIME_LIBRARY_OPENJDK)
+ java_object_t *protectiondomain;
+ java_objectarray_t *signers;
+# endif
+#endif
+#if defined(ENABLE_JITCACHE)
+ int cache_file_fd;
+#endif
+};
+
+
+/* innerclassinfo *************************************************************/
+
+struct innerclassinfo {
+ classref_or_classinfo inner_class; /* inner class pointer */
+ classref_or_classinfo outer_class; /* outer class pointer */
+ utf *name; /* innerclass name */
+ s4 flags; /* ACC flags */
+};
+
+
+/* extra_classref **************************************************************
+
+ for classrefs not occurring within descriptors
+
+*******************************************************************************/
+
+struct extra_classref {
+ extra_classref *next;
+ constant_classref classref;
+};
+
+
+/* inline functions ***********************************************************/
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * Returns the classname of the class, where slashes ('/') are
+ * replaced by dots ('.').
+ *
+ * @param c class to get name of
+ * @return classname
+ */
+inline static java_handle_t* class_get_classname(classinfo* c)
+{
+ java_handle_t *s;
+
+ /* Create a java string. */
+
+ s = javastring_new_slash_to_dot(c->name);
+
+ return s;
+}
+
+
+/* class_is_primitive **********************************************************
+
+ Checks if the given class is a primitive class.
+
+*******************************************************************************/
+
+static inline bool class_is_primitive(classinfo *c)
+{
+ if (c->flags & ACC_CLASS_PRIMITIVE)
+ return true;
+
+ return false;
+}
+
+
+/* class_is_anonymousclass *****************************************************
+
+ Checks if the given class is an anonymous class.
+
+*******************************************************************************/
+
+static inline bool class_is_anonymousclass(classinfo *c)
+{
+ if (c->flags & ACC_CLASS_ANONYMOUS)
+ return true;
+
+ return false;
+}
+
+
+/* class_is_array **************************************************************
+
+ Checks if the given class is an array class.
+
+*******************************************************************************/
+
+static inline bool class_is_array(classinfo *c)
+{
+ if (!(c->state & CLASS_LINKED))
+ if (!link_class(c))
+ return false;
+
+ return (c->vftbl->arraydesc != NULL);
+}
+
+
+/* class_is_interface **********************************************************
+
+ Checks if the given class is an interface.
+
+*******************************************************************************/
+
+static inline bool class_is_interface(classinfo *c)
+{
+ if (c->flags & ACC_INTERFACE)
+ return true;
+
+ return false;
+}
+
+
+/* class_is_localclass *********************************************************
+
+ Checks if the given class is a local class.
+
+*******************************************************************************/
+
+static inline bool class_is_localclass(classinfo *c)
+{
+ if ((c->enclosingmethod != NULL) && !class_is_anonymousclass(c))
+ return true;
+
+ return false;
+}
+
+
+/* class_is_memberclass ********************************************************
+
+ Checks if the given class is a member class.
+
+*******************************************************************************/
+
+static inline bool class_is_memberclass(classinfo *c)
+{
+ if (c->flags & ACC_CLASS_MEMBER)
+ return true;
+
+ return false;
+}
+
+
+/* class_get_classloader *******************************************************
+
+ Return the classloader of the given class.
+
+*******************************************************************************/
+
+static inline classloader_t *class_get_classloader(classinfo *c)
+{
+ classloader_t *cl;
+
+ cl = c->classloader;
+
+ /* The classloader may be NULL. */
+
+ return cl;
+}
+
+
+/* class_get_superclass ********************************************************
+
+ Return the super class of the given class.
+
+*******************************************************************************/
+
+static inline classinfo *class_get_superclass(classinfo *c)
+{
+ /* For interfaces we return NULL. */
+
+ if (c->flags & ACC_INTERFACE)
+ return NULL;
+
+ /* For java/lang/Object, primitive-type and Void classes c->super
+ is NULL and we return NULL. */
+
+ return c->super;
+}
+
+
+/* function prototypes ********************************************************/
+
+classinfo *class_create_classinfo(utf *u);
+void class_postset_header_vftbl(void);
+classinfo *class_define(utf *name, classloader_t *cl, int32_t length, uint8_t *data, java_handle_t *pd);
+void class_set_packagename(classinfo *c);
+
+bool class_load_attributes(classbuffer *cb);
+
+/* retrieve constantpool element */
+void* class_getconstant(classinfo *c, u4 pos, u4 ctype);
+void* innerclass_getconstant(classinfo *c, u4 pos, u4 ctype);
+
+/* frees all resources used by the class */
+void class_free(classinfo *);
+
+/* return an array class with the given component class */
+classinfo *class_array_of(classinfo *component,bool link);
+
+/* return an array class with the given dimension and element class */
+classinfo *class_multiarray_of(s4 dim, classinfo *element,bool link);
+
+/* return a classref for the given class name */
+/* (does a linear search!) */
+constant_classref *class_lookup_classref(classinfo *cls,utf *name);
+
+/* return a classref for the given class name */
+/* (does a linear search!) */
+constant_classref *class_get_classref(classinfo *cls,utf *name);
+
+/* return a classref to the class itself */
+/* (does a linear search!) */
+constant_classref *class_get_self_classref(classinfo *cls);
+
+/* return a classref for an array with the given dimension of with the */
+/* given component type */
+constant_classref *class_get_classref_multiarray_of(s4 dim,constant_classref *ref);
+
+/* return a classref for the component type of the given array type */
+constant_classref *class_get_classref_component_of(constant_classref *ref);
+
+/* get a class' field by name and descriptor */
+fieldinfo *class_findfield(classinfo *c, utf *name, utf *desc);
+
+/* search 'classinfo'-structure for a field with the specified name */
+fieldinfo *class_findfield_by_name(classinfo *c, utf *name);
+
+/* search class for a field */
+fieldinfo *class_resolvefield(classinfo *c, utf *name, utf *desc, classinfo *referer);
+
+/* search for a method with a specified name and descriptor */
+methodinfo *class_findmethod(classinfo *c, utf *name, utf *desc);
+methodinfo *class_resolvemethod(classinfo *c, utf *name, utf *dest);
+methodinfo *class_resolveclassmethod(classinfo *c, utf *name, utf *dest, classinfo *referer, bool throwexception);
+methodinfo *class_resolveinterfacemethod(classinfo *c, utf *name, utf *dest, classinfo *referer, bool throwexception);
+
+bool class_issubclass(classinfo *sub, classinfo *super);
+bool class_isanysubclass(classinfo *sub, classinfo *super);
+bool class_is_assignable_from(classinfo *to, classinfo *from);
+bool class_is_instance(classinfo *c, java_handle_t *h);
+
+classloader_t *class_get_classloader(classinfo *c);
+classinfo *class_get_superclass(classinfo *c);
+classinfo *class_get_componenttype(classinfo *c);
+java_handle_objectarray_t *class_get_declaredclasses(classinfo *c, bool publicOnly);
+java_handle_objectarray_t *class_get_declaredconstructors(classinfo *c, bool publicOnly);
+java_handle_objectarray_t *class_get_declaredfields(classinfo *c, bool publicOnly);
+java_handle_objectarray_t *class_get_declaredmethods(classinfo *c, bool publicOnly);
+classinfo *class_get_declaringclass(classinfo *c);
+classinfo *class_get_enclosingclass(classinfo *c);
+java_handle_t* class_get_enclosingconstructor(classinfo *c);
+methodinfo* class_get_enclosingmethod_raw(classinfo *c);
+java_handle_t* class_get_enclosingmethod(classinfo *c);
+java_handle_objectarray_t *class_get_interfaces(classinfo *c);
+java_handle_bytearray_t *class_get_annotations(classinfo *c);
+int32_t class_get_modifiers(classinfo *c, bool ignoreInnerClassesAttrib);
+java_handle_t *class_get_name(classinfo *c);
+
+#if defined(ENABLE_JAVASE)
+utf *class_get_signature(classinfo *c);
+#endif
+
+/* some debugging functions */
+
+#if !defined(NDEBUG)
+void class_printflags(classinfo *c);
+void class_print(classinfo *c);
+void class_println(classinfo *c);
+void class_classref_print(constant_classref *cr);
+void class_classref_println(constant_classref *cr);
+void class_classref_or_classinfo_print(classref_or_classinfo c);
+void class_classref_or_classinfo_println(classref_or_classinfo c);
+#endif
+
+/* debug purposes */
+void class_showmethods(classinfo *c);
+void class_showconstantpool(classinfo *c);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _CLASS_HPP */
+
+
+/*
+ * These are local overrides for various environment variables in Emacs.
+ * Please do not remove this and leave it at the end of the file, where
+ * Emacs will automagically detect them.
+ * ---------------------------------------------------------------------
+ * Local variables:
+ * mode: c
+ * indent-tabs-mode: t
+ * c-basic-offset: 4
+ * tab-width: 4
+ * End:
+ */
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