def get_class(self, class_name):
"""
Returns initialized class from pool (perm_gen) or loads
it with class loader (and running static constructor).
Getting a class might result in loading it's super first.
:param class_name:
:return:
"""
if class_name is None:
return # this is look up for Object's super, which is None
if class_name in self.perm_gen:
return self.perm_gen[class_name]
if class_name[0] == '[': # special treatment for arrays
java_class = array_class_factory(self, class_name)
lang_clazz = self.get_class("java/lang/Class")
clazz_object = lang_clazz.get_instance(self)
clazz_object.fields["@CLASS_NAME"] = class_name
ref = self.add_to_heap(clazz_object)
java_class.heap_ref = ref
self.perm_gen[class_name] = java_class
return java_class
if class_name in [
'byte', 'char', 'double', 'float', 'int', 'long', 'short',
'boolean'
]:
java_class = JavaClass()
self.perm_gen[class_name] = java_class
java_class.is_primitive = True
java_class.this_name = class_name
lang_clazz = self.get_class("java/lang/Class")
clazz_object = lang_clazz.get_instance(self)
clazz_object.fields["@CLASS_NAME"] = class_name
ref = self.add_to_heap(clazz_object)
java_class.heap_ref = ref
return java_class
logger.debug("Class {0} not yet ready".format(class_name))
java_class = class_loader(class_name, self.class_path)
super_class = java_class.super_class
if type(super_class) is unicode: # lame check
super_class = self.get_class(super_class)
java_class.super_class = super_class
logger.debug("Loaded class def\n{0}".format(java_class))
self.perm_gen[class_name] = java_class
# create actual java.lang.Class instance
lang_clazz = self.get_class("java/lang/Class")
clazz_object = lang_clazz.get_instance(self)
clazz_object.fields["@CLASS_NAME"] = class_name
ref = self.add_to_heap(clazz_object)
java_class.heap_ref = ref
self.run_static_constructor(java_class)
return java_class
def make_class(this_name, super_name, constant_pool, all_fields, all_methods,
all_interfaces, class_flags):
'''Actually construct java class from data read earlier'''
jc = JavaClass()
jc.flags = class_flags
if class_flags & 0x0200: # is interface
jc.is_interface = True
jc.constant_pool = constant_pool
jc.this_name = resolve_to_string(constant_pool, this_name)
if super_name != 0:
jc.super_class = resolve_to_string(constant_pool, super_name)
add_fields(jc, constant_pool, all_fields)
add_methods(jc, constant_pool, all_methods)
add_interfaces(jc, constant_pool, all_interfaces)
return jc
def make_class(this_name, super_name, constant_pool, all_fields, all_methods, all_interfaces, class_flags):
"""Actually construct java class from data read earlier"""
jc = JavaClass()
jc.flags = class_flags
if class_flags & 0x0200: # is interface
jc.is_interface = True
jc.constant_pool = constant_pool
jc.this_name = resolve_to_string(constant_pool, this_name)
if super_name != 0:
jc.super_class = resolve_to_string(constant_pool, super_name)
add_fields(jc, constant_pool, all_fields)
add_methods(jc, constant_pool, all_methods)
add_interfaces(jc, constant_pool, all_interfaces)
return jc
def get_class(self, class_name):
'''Returns initialized class from pool (perm_gen) or loads
it with class loader (and running static constructor).
Getting a class might result in loading it's super first.
'''
if class_name is None:
return # this is look up for Object's super, which is None
if class_name in self.perm_gen:
return self.perm_gen[class_name]
if class_name[0] == '[': # special treatment for arrays
java_class = array_class_factory(self, class_name)
lang_clazz = self.get_class("java/lang/Class")
clazz_object = lang_clazz.get_instance(self)
clazz_object.fields["@CLASS_NAME"] = class_name
ref = self.add_to_heap(clazz_object)
java_class.heap_ref = ref
self.perm_gen[class_name] = java_class
return java_class
if class_name in ['byte', 'char', 'double', 'float', 'int', 'long',
'short', 'boolean']:
java_class = JavaClass()
self.perm_gen[class_name] = java_class
java_class.is_primitive = True
java_class.this_name = class_name
lang_clazz = self.get_class("java/lang/Class")
clazz_object = lang_clazz.get_instance(self)
clazz_object.fields["@CLASS_NAME"] = class_name
ref = self.add_to_heap(clazz_object)
java_class.heap_ref = ref
return java_class
logger.debug("Class {0} not yet ready".format(class_name))
java_class = class_loader(class_name, self.class_path)
super_class = java_class.super_class
if type(super_class) is unicode: # lame check
super_class = self.get_class(super_class)
java_class.super_class = super_class
logger.debug("Loaded class def\n{0}".format(java_class))
self.perm_gen[class_name] = java_class
# create actual java.lang.Class instance
lang_clazz = self.get_class("java/lang/Class")
clazz_object = lang_clazz.get_instance(self)
clazz_object.fields["@CLASS_NAME"] = class_name
ref = self.add_to_heap(clazz_object)
java_class.heap_ref = ref
self.run_static_constructor(java_class)
return java_class
