Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA.
- $Id: class.c 8321 2007-08-16 11:37:25Z michi $
-
*/
#include "toolbox/logging.h"
+#include "vm/array.h"
#include "vm/builtin.h"
#include "vm/exceptions.h"
#include "vm/global.h"
classinfo *class_java_lang_System;
classinfo *class_java_lang_Thread;
classinfo *class_java_lang_ThreadGroup;
-classinfo *class_java_lang_VMSystem;
-classinfo *class_java_lang_VMThread;
-classinfo *class_java_io_Serializable;
-
-#if defined(WITH_CLASSPATH_SUN)
-classinfo *class_sun_reflect_MagicAccessorImpl;
-#endif
-
-/* system exception classes required in cacao */
-
classinfo *class_java_lang_Throwable;
-classinfo *class_java_lang_Error;
-classinfo *class_java_lang_LinkageError;
-classinfo *class_java_lang_NoClassDefFoundError;
-classinfo *class_java_lang_OutOfMemoryError;
-classinfo *class_java_lang_VirtualMachineError;
+classinfo *class_java_io_Serializable;
#if defined(WITH_CLASSPATH_GNU)
+classinfo *class_java_lang_VMSystem;
+classinfo *class_java_lang_VMThread;
classinfo *class_java_lang_VMThrowable;
#endif
-classinfo *class_java_lang_Exception;
-classinfo *class_java_lang_ClassCastException;
-classinfo *class_java_lang_ClassNotFoundException;
+#if defined(WITH_CLASSPATH_SUN)
+classinfo *class_sun_reflect_MagicAccessorImpl;
+#endif
#if defined(ENABLE_JAVASE)
classinfo *class_java_lang_Void;
classinfo *class_java_lang_Float;
classinfo *class_java_lang_Double;
-
-/* some runtime exception */
-
-classinfo *class_java_lang_NullPointerException;
-
-
/* some classes which may be used more often */
#if defined(ENABLE_JAVASE)
classinfo *class_java_lang_reflect_Method;
classinfo *class_java_security_PrivilegedAction;
classinfo *class_java_util_Vector;
+classinfo *class_java_util_HashMap;
classinfo *arrayclass_java_lang_Object;
-#if defined(ENABLE_ANNOTATIONS)
+# if defined(ENABLE_ANNOTATIONS)
classinfo *class_sun_reflect_ConstantPool;
+# if defined(WITH_CLASSPATH_GNU)
classinfo *class_sun_reflect_annotation_AnnotationParser;
+# endif
+# endif
#endif
-#endif
-
/* pseudo classes for the typechecker */
/* class_set_packagename *******************************************************
- Derive the package name from the class name and store it in the struct.
+ Derive the package name from the class name and store it in the
+ struct.
+
+ An internal package name consists of the package name plus the
+ trailing '/', e.g. "java/lang/".
+
+ For classes in the unnamed package, the package name is set to
+ NULL.
*******************************************************************************/
void class_set_packagename(classinfo *c)
{
- char *p = UTF_END(c->name) - 1;
- char *start = c->name->text;
+ char *p;
+ char *start;
- /* set the package name */
- /* classes in the unnamed package keep packagename == NULL */
+ p = UTF_END(c->name) - 1;
+ start = c->name->text;
if (c->name->text[0] == '[') {
- /* set packagename of arrays to the element's package */
+ /* Set packagename of arrays to the element's package. */
for (; *start == '['; start++);
- /* skip the 'L' in arrays of references */
+ /* Skip the 'L' in arrays of references. */
+
if (*start == 'L')
start++;
+ }
- for (; (p > start) && (*p != '/'); --p);
+ /* Search for last '/'. */
- c->packagename = utf_new(start, p - start);
+ for (; (p > start) && (*p != '/'); --p);
- } else {
- for (; (p > start) && (*p != '/'); --p);
+ /* If we found a '/' we set the package name plus the trailing
+ '/'. Otherwise we set the packagename to NULL. */
- c->packagename = utf_new(start, p - start);
- }
+ if (p > start)
+ c->packagename = utf_new(start, p - start + 1);
+ else
+ c->packagename = NULL;
}
log_message_utf("Creating class: ", classname);
#endif
- /* GCNEW_UNCOLLECTABLE clears the allocated memory */
-
-#if defined(ENABLE_GC_CACAO)
+#if !defined(ENABLE_GC_BOEHM)
c = (classinfo *) heap_alloc_uncollectable(sizeof(classinfo));
+ /*c = NEW(classinfo);
+ MZERO(c, classinfo, 1);*/
#else
c = GCNEW_UNCOLLECTABLE(classinfo, 1);
- /*c=NEW(classinfo);*/
+ /* GCNEW_UNCOLLECTABLE clears the allocated memory */
#endif
+
c->name = classname;
/* Set the header.vftbl of all loaded classes to the one of
*******************************************************************************/
-classinfo *class_define(utf *name, classloader *cl, int32_t length, const uint8_t *data)
+classinfo *class_define(utf *name, classloader *cl, int32_t length, const uint8_t *data, java_handle_t *pd)
{
classinfo *c;
classinfo *r;
return NULL;
}
+#if defined(ENABLE_JAVASE)
+# if defined(WITH_CLASSPATH_SUN)
+ /* Store the protection domain. */
+
+ c->protectiondomain = pd;
+# endif
+#endif
+
/* Store the newly defined class in the class cache. This call
also checks whether a class of the same name has already been
defined by the same defining loader, and if so, replaces the
bool class_load_attributes(classbuffer *cb)
{
- classinfo *c;
- u4 i, j;
- u2 attributes_count;
- u2 attribute_name_index;
- utf *attribute_name;
+ classinfo *c;
+ uint16_t attributes_count;
+ uint16_t attribute_name_index;
+ utf *attribute_name;
+ innerclassinfo *info;
+ classref_or_classinfo inner;
+ classref_or_classinfo outer;
+ utf *name;
+ uint16_t flags;
+ int i, j;
c = cb->class;
for (j = 0; j < c->innerclasscount; j++) {
/* The innerclass structure contains a class with an encoded
name, its defining scope, its simple name and a bitmask of
- the access flags. If an inner class is not a member, its
- outer_class is NULL, if a class is anonymous, its name is
- NULL. */
+ the access flags. */
- innerclassinfo *info = c->innerclass + j;
-
- info->inner_class.ref =
- innerclass_getconstant(c, suck_u2(cb), CONSTANT_Class);
- info->outer_class.ref =
- innerclass_getconstant(c, suck_u2(cb), CONSTANT_Class);
- info->name =
- innerclass_getconstant(c, suck_u2(cb), CONSTANT_Utf8);
- info->flags = suck_u2(cb);
+ info = c->innerclass + j;
+
+ inner.ref = innerclass_getconstant(c, suck_u2(cb), CONSTANT_Class);
+ outer.ref = innerclass_getconstant(c, suck_u2(cb), CONSTANT_Class);
+ name = innerclass_getconstant(c, suck_u2(cb), CONSTANT_Utf8);
+ flags = suck_u2(cb);
+
+ /* If the current inner-class is the currently loaded
+ class check for some special flags. */
+
+ if (inner.ref->name == c->name) {
+ /* If an inner-class is not a member, its
+ outer-class is NULL. */
+
+ if (outer.ref != NULL) {
+ c->flags |= ACC_CLASS_MEMBER;
+
+ /* A member class doesn't have an
+ EnclosingMethod attribute, so set the
+ enclosing-class to be the same as the
+ declaring-class. */
+
+ c->declaringclass = outer;
+ c->enclosingclass = outer;
+ }
+
+ /* If an inner-class is anonymous, its name is
+ NULL. */
+
+ if (name == NULL)
+ c->flags |= ACC_CLASS_ANONYMOUS;
+ }
+
+ info->inner_class = inner;
+ info->outer_class = outer;
+ info->name = name;
+ info->flags = flags;
}
}
else if (attribute_name == utf_SourceFile) {
#endif
#if defined(ENABLE_ANNOTATIONS)
- /* XXX We can't do a release with that enabled */
-
else if (attribute_name == utf_RuntimeVisibleAnnotations) {
/* RuntimeVisibleAnnotations */
if (!annotation_load_class_attribute_runtimevisibleannotations(cb))
return false;
}
- /* XXX RuntimeInvisibleAnnotations should only be loaded
- * (or returned to Java) if some commandline options says so.
- * Currently there is no such option available in cacao,
- * therefore I load them allways (for testing purpose).
- * Anyway, bytecode for RuntimeInvisibleAnnotations is only
- * generated if you tell javac to do so. So in most cases
- * there won't be any.
- */
else if (attribute_name == utf_RuntimeInvisibleAnnotations) {
/* RuntimeInvisibleAnnotations */
if (!annotation_load_class_attribute_runtimeinvisibleannotations(cb))
{
s4 i;
vftbl_t *v;
-
+
class_freecpool(c);
- if (c->interfaces)
+ if (c->interfaces != NULL)
MFREE(c->interfaces, classinfo*, c->interfacescount);
if (c->fields) {
for (i = 0; i < c->fieldscount; i++)
field_free(&(c->fields[i]));
-#if defined(ENABLE_CACAO_GC)
MFREE(c->fields, fieldinfo, c->fieldscount);
-#endif
}
if (c->methods) {
mem_free(c->header.vftbl, sizeof(vftbl) + sizeof(methodptr)*(c->vftbl->vftbllength-1)); */
/* GCFREE(c); */
-
-#if defined(ENABLE_ANNOTATIONS)
- annotation_bytearray_free(c->annotations);
-
- annotation_bytearrays_free(c->method_annotations);
- annotation_bytearrays_free(c->method_parameterannotations);
- annotation_bytearrays_free(c->method_annotationdefaults);
-
- annotation_bytearrays_free(c->field_annotations);
-#endif
}
if (name == utf_init || name == utf_clinit)
return NULL;
- c = c->super.cls;
+ c = c->super;
}
return NULL;
if (m != NULL)
return m;
- /* no method found? try the superinterfaces */
+ /* No method found? Try the super interfaces. */
for (i = 0; i < c->interfacescount; i++) {
- m = class_resolveinterfacemethod_intern(c->interfaces[i].cls,
- name, desc);
+ m = class_resolveinterfacemethod_intern(c->interfaces[i], name, desc);
if (m != NULL)
return m;
if (m != NULL)
goto found;
- /* try the superinterfaces */
+ /* Try the super interfaces. */
for (i = 0; i < c->interfacescount; i++) {
- m = class_resolveinterfacemethod_intern(c->interfaces[i].cls,
- name, desc);
+ m = class_resolveinterfacemethod_intern(c->interfaces[i], name, desc);
if (m != NULL)
goto found;
if ((c->fields[i].name == name) && (c->fields[i].descriptor == desc))
return &(c->fields[i]);
- if (c->super.cls)
- return class_findfield(c->super.cls, name, desc);
+ if (c->super != NULL)
+ return class_findfield(c->super, name, desc);
return NULL;
}
}
}
- /* try superinterfaces recursively */
+ /* Try super interfaces recursively. */
for (i = 0; i < c->interfacescount; i++) {
- fi = class_resolvefield_int(c->interfaces[i].cls, name, desc);
- if (fi)
+ fi = class_resolvefield_int(c->interfaces[i], name, desc);
+
+ if (fi != NULL)
return fi;
}
- /* try superclass */
+ /* Try super class. */
- if (c->super.cls)
- return class_resolvefield_int(c->super.cls, name, desc);
+ if (c->super != NULL)
+ return class_resolvefield_int(c->super, name, desc);
/* not found */
}
-/* class_resolve_superclass ****************************************************
-
- Resolves the super class reference of the given class if necessary.
-
-*******************************************************************************/
-
-static classinfo *class_resolve_superclass(classinfo *c)
-{
- classinfo *super;
-
- if (c->super.any == NULL)
- return NULL;
-
- /* Do we have a super class reference or is it already
- resolved? */
-
- if (IS_CLASSREF(c->super)) {
- super = resolve_classref_or_classinfo_eager(c->super, true);
-
- if (super == NULL)
- return NULL;
-
- /* Store the resolved super class in the class structure. */
-
- c->super.cls = super;
- }
-
- return c->super.cls;
-}
-
-
/* class_issubclass ************************************************************
Checks if sub is a descendant of super.
bool class_issubclass(classinfo *sub, classinfo *super)
{
+ classinfo *c;
+
+ c = sub;
+
for (;;) {
- if (sub == NULL)
+ /* We reached java/lang/Object and did not find the requested
+ super class. */
+
+ if (c == NULL)
return false;
- if (sub == super)
+ /* We found the requested super class. */
+
+ if (c == super)
return true;
- sub = class_resolve_superclass(sub);
+ c = c->super;
}
}
}
-/* class_is_primitive **********************************************************
+/* class_get_componenttype *****************************************************
- Checks if the given class is a primitive class.
+ Return the component class of the given class. If the given class
+ is not an array, return NULL.
*******************************************************************************/
-bool class_is_primitive(classinfo *c)
+classinfo *class_get_componenttype(classinfo *c)
{
- if (c->flags & ACC_CLASS_PRIMITIVE)
- return true;
-
- return false;
-}
-
-
-/* class_is_array **************************************************************
-
- Checks if the given class is an array class.
-
-*******************************************************************************/
+ classinfo *component;
+ arraydescriptor *ad;
+
+ /* XXX maybe we could find a way to do this without linking. */
+ /* This way should be safe and easy, however. */
-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.
-
-*******************************************************************************/
-
-bool class_is_interface(classinfo *c)
-{
- if (c->flags & ACC_INTERFACE)
- return true;
-
- return false;
-}
-
-
-/* class_get_superclass ********************************************************
-
- Return the super class of the given class. If the super-field is a
- class-reference, resolve it and store it in the classinfo.
-
-*******************************************************************************/
-
-classinfo *class_get_superclass(classinfo *c)
-{
- classinfo *super;
-
- /* For java.lang.Object, primitive and Void classes we return
- NULL. */
-
- if (c->super.any == NULL)
- return NULL;
-
- /* For interfaces we also return NULL. */
+ return NULL;
- if (c->flags & ACC_INTERFACE)
+ ad = c->vftbl->arraydesc;
+
+ if (ad == NULL)
return NULL;
-
- /* We may have to resolve the super class reference. */
-
- super = class_resolve_superclass(c);
-
- return super;
+
+ if (ad->arraytype == ARRAYTYPE_OBJECT)
+ component = ad->componentvftbl->class;
+ else
+ component = primitive_class_get_by_type(ad->arraytype);
+
+ return component;
}
/* Determine number of declared classes. */
for (i = 0; i < c->innerclasscount; i++) {
+ /* Get outer-class. If the inner-class is not a member
+ class, the outer-class is NULL. */
+
outer = c->innerclass[i].outer_class;
- /* Check if outer_class is a classref or a real class and
+ if (outer.any == NULL)
+ continue;
+
+ /* Check if outer-class is a classref or a real class and
get the class name from the structure. */
outername = IS_CLASSREF(outer) ? outer.ref->name : outer.cls->name;
inner = c->innerclass[i].inner_class;
outer = c->innerclass[i].outer_class;
+ /* Get outer-class. If the inner-class is not a member class,
+ the outer-class is NULL. */
+
+ if (outer.any == NULL)
+ continue;
+
/* Check if outer_class is a classref or a real class and get
the class name from the structure. */
classinfo *class_get_declaringclass(classinfo *c)
{
- classref_or_classinfo innercr;
- utf *innername;
- classref_or_classinfo outercr;
- classinfo *outer;
- int16_t i;
+ classref_or_classinfo cr;
+ classinfo *dc;
- /* return NULL for arrayclasses and primitive classes */
+ /* Get declaring class. */
- if (class_is_primitive(c) || (c->name->text[0] == '['))
+ cr = c->declaringclass;
+
+ if (cr.any == NULL)
return NULL;
- /* no innerclasses exist */
+ /* Resolve the class if necessary. */
- if (c->innerclasscount == 0)
- return NULL;
+ if (IS_CLASSREF(cr)) {
+/* dc = resolve_classref_eager(cr.ref); */
+ dc = resolve_classref_or_classinfo_eager(cr, true);
- for (i = 0; i < c->innerclasscount; i++) {
- /* Check if inner_class is a classref or a real class and get
- the class name from the structure. */
+ if (dc == NULL)
+ return NULL;
- innercr = c->innerclass[i].inner_class;
+ /* Store the resolved class in the class structure. */
- innername = IS_CLASSREF(innercr) ?
- innercr.ref->name : innercr.cls->name;
+ cr.cls = dc;
+ }
- /* Is the current innerclass this class? */
+ dc = cr.cls;
- if (innername == c->name) {
- /* Maybe the outer class is not loaded yet. */
+ return dc;
+}
- outercr = c->innerclass[i].outer_class;
- outer = resolve_classref_or_classinfo_eager(outercr, false);
+/* class_get_enclosingclass ****************************************************
- if (outer == NULL)
- return NULL;
+ Return the enclosing class for the given class.
- if (!(outer->state & CLASS_LINKED))
- if (!link_class(outer))
- return NULL;
+*******************************************************************************/
- return outer;
- }
+classinfo *class_get_enclosingclass(classinfo *c)
+{
+ classref_or_classinfo cr;
+ classinfo *ec;
+
+ /* Get enclosing class. */
+
+ cr = c->enclosingclass;
+
+ if (cr.any == NULL)
+ return NULL;
+
+ /* Resolve the class if necessary. */
+
+ if (IS_CLASSREF(cr)) {
+/* ec = resolve_classref_eager(cr.ref); */
+ ec = resolve_classref_or_classinfo_eager(cr, true);
+
+ if (ec == NULL)
+ return NULL;
+
+ /* Store the resolved class in the class structure. */
+
+ cr.cls = ec;
}
- return NULL;
+ ec = cr.cls;
+
+ return ec;
}
return NULL;
for (i = 0; i < c->interfacescount; i++) {
- ic = c->interfaces[i].cls;
+ ic = c->interfaces[i];
LLNI_array_direct(oa, i) = (java_object_t *) ic;
}
}
+/* class_get_annotations *******************************************************
+
+ Get the unparsed declared annotations in a byte array
+ of the given class.
+
+ IN:
+ c........the class of which the annotations should be returned
+
+ RETURN VALUE:
+ The unparsed declared annotations in a byte array
+ (or NULL if there aren't any).
+
+*******************************************************************************/
+
+java_handle_bytearray_t *class_get_annotations(classinfo *c)
+{
+#if defined(ENABLE_ANNOTATIONS)
+ java_handle_t *annotations; /* unparsed annotations */
+
+ LLNI_classinfo_field_get(c, annotations, annotations);
+
+ return (java_handle_bytearray_t*)annotations;
+#else
+ return NULL;
+#endif
+}
+
+
+/* class_get_modifiers *********************************************************
+
+ Get the modifier flags of the given class.
+
+ IN:
+ c....the class of which the modifier flags should be returned
+ ignoreInnerClassesAttrib
+ RETURN VALUE:
+ modifier flags
+
+*******************************************************************************/
+
+int32_t class_get_modifiers(classinfo *c, bool ignoreInnerClassesAttrib)
+{
+ classref_or_classinfo inner;
+ classref_or_classinfo outer;
+ utf *innername;
+ int i;
+
+ if (!ignoreInnerClassesAttrib && (c->innerclasscount != 0)) {
+ /* search for passed class as inner class */
+
+ for (i = 0; i < c->innerclasscount; i++) {
+ inner = c->innerclass[i].inner_class;
+ outer = c->innerclass[i].outer_class;
+
+ /* Check if inner is a classref or a real class and get
+ the name of the structure */
+
+ innername = IS_CLASSREF(inner) ? inner.ref->name : inner.cls->name;
+
+ /* innerclass is this class */
+
+ if (innername == c->name) {
+ /* has the class actually an outer class? */
+
+ if (outer.any)
+ /* return flags got from the outer class file */
+ return c->innerclass[i].flags & ACC_CLASS_REFLECT_MASK;
+ else
+ return c->flags & ACC_CLASS_REFLECT_MASK;
+ }
+ }
+ }
+
+ /* passed class is no inner class or it was not requested */
+
+ return c->flags & ACC_CLASS_REFLECT_MASK;
+}
+
+
/* class_get_signature *********************************************************
Return the signature of the given class. For array and primitive
*******************************************************************************/
+#if !defined(NDEBUG)
void class_classref_or_classinfo_println(classref_or_classinfo c)
{
- class_classref_or_classinfo_println(c);
+ class_classref_or_classinfo_print(c);
printf("\n");
}
+#endif
/* class_showconstantpool ******************************************************
utf_display_printable_ascii(c->name);
printf("\n");
- if (c->super.cls) {
+ if (c->super) {
printf("Super: ");
- utf_display_printable_ascii(c->super.cls->name);
+ utf_display_printable_ascii(c->super->name);
printf ("\n");
}
printf("Interfaces:\n");
for (i = 0; i < c->interfacescount; i++) {
printf(" ");
- utf_display_printable_ascii(c->interfaces[i].cls->name);
- printf (" (%d)\n", c->interfaces[i].cls->index);
+ utf_display_printable_ascii(c->interfaces[i]->name);
+ printf (" (%d)\n", c->interfaces[i]->index);
}
printf("Fields:\n");
projects / cacao.git / blobdiff