def create_js_component_class(cls, cls_name, base_class='Component.prototype'):
""" Create the JS equivalent of a subclass of the Component class.
Given a Python class with actions, properties, emitters and reactions,
this creates the code for the JS version of the class. It also supports
class constants that are int/float/str, or a tuple/list thereof.
The given class does not have to be a subclass of Component.
This more or less does what ComponentMeta does, but for JS.
"""
assert cls_name != 'Component' # we need this special class above instead
# Collect meta information of all code pieces that we collect
mc = MetaCollector(cls)
mc.meta['std_functions'].add(
'op_instantiate') # b/c we use get_class_definition
total_code = []
funcs_code = [] # functions and emitters go below class constants
const_code = []
err = ('Objects on JS Component classes can only be int, float, str, '
'or a list/tuple thereof. Not %s -> %r.')
total_code.append('\n'.join(get_class_definition(cls_name,
base_class)).rstrip())
prefix = '' if cls_name.count('.') else 'var '
total_code[0] = prefix + total_code[0]
prototype_prefix = '$' + cls_name.split('.')[-1] + '.'
total_code.append('var %s = %s.prototype;' %
(prototype_prefix[:-1], cls_name))
# Process class items in original order or sorted by name if we cant
class_items = cls.__dict__.items()
if sys.version_info < (3, 6): # pragma: no cover
class_items = sorted(class_items)
for name, val in class_items:
if isinstance(val, ActionDescriptor):
# Set underlying function as class attribute. This is overwritten
# by the instance, but this way super() works.
funcname = name
# Add function def
code = mc.py2js(val._func, prototype_prefix + funcname)
code = code.replace('super()', base_class) # fix super
# Tweak if this was an autogenerated action
# we use flx_ prefixes to indicate autogenerated functions
if val._func.__name__.startswith('flx_'):
subname = name
if name.startswith('set_') or name.startswith('_set_'):
subname = name[4:]
code = code.replace("flx_name", "'%s'" % subname)
funcs_code.append(code.rstrip())
# Mark to not bind the func
funcs_code.append(prototype_prefix + funcname + '.nobind = true;')
funcs_code.append('')
elif isinstance(val, ReactionDescriptor):
funcname = name # funcname is simply name, so that super() works
# Add function def
code = mc.py2js(val._func, prototype_prefix + funcname)
code = code.replace('super()', base_class) # fix super
funcs_code.append(code.rstrip())
# Mark to not bind the func
funcs_code.append(prototype_prefix + funcname + '.nobind = true;')
# Add connection strings, but not for implicit reactions
if val._connection_strings:
funcs_code.append(prototype_prefix + funcname +
'._connection_strings = ' +
reprs(val._connection_strings))
funcs_code.append('')
elif isinstance(val, EmitterDescriptor):
funcname = name
# Add function def
code = mc.py2js(val._func, prototype_prefix + funcname)
code = code.replace('super()', base_class) # fix super
funcs_code.append(code.rstrip())
# Mark to not bind the func
funcs_code.append(prototype_prefix + funcname + '.nobind = true;')
funcs_code.append('')
elif isinstance(val, Attribute):
pass
elif isinstance(val, Property):
# Mutator and validator functions are picked up as normal functions.
# Set default value on class.
default_val = json.dumps(val._default)
t = '%s_%s_value = %s;'
const_code.append(t % (prototype_prefix, name, default_val))
elif isinstance(val, classmethod):
pass # ignore, like magics
elif (name.startswith('__') and name not in OK_MAGICS
and not name.endswith('_validate')):
# These are only magics, since class attributes with double-underscores
# have already been mangled. Note that we need to exclude validator
# funcs of private properties though.
pass
elif (name.endswith('_validate') and hasattr(val, '__self__')
and isinstance(val.__self__, Property)):
# Proxy the validator functions (not inline).
prop_class = val.__self__.__class__
mod_name_parts = prop_class.__module__.split('.')
module_ns = sys.modules[cls.__module__].__dict__
# Get canonical class name, included part of the module name, as
# needed, depending on what names exist in the component module.
prop_class_name = prop_class.__name__
if prop_class_name not in module_ns:
for ip in reversed(range(0, len(mod_name_parts))):
if mod_name_parts[ip] in module_ns:
prop_class_name = mod_name_parts[
ip] + '.' + prop_class_name
break
# Create function that calls the _validate function
t = ' = function (value) { return %s(value, %s, %s); }\n'
code = prototype_prefix + name + t % (
prop_class_name + '.prototype._validate', json.dumps(
name[1:-9]), json.dumps(val.__self__._data))
funcs_code.append(code)
mc.meta['vars_unknown'].add(prop_class_name)
elif callable(val):
# Functions, including methods attached by the meta class
code = mc.py2js(val, prototype_prefix + name)
code = code.replace('super()', base_class) # fix super
if val.__name__.startswith('flx_'):
subname = name[8:] if name.startswith('_mutate_') else name
code = code.replace("flx_name", "'%s'" % subname)
funcs_code.append(code.rstrip())
funcs_code.append('')
else:
# Static simple (json serializable) attributes, e.g. __actions__ etc.
try:
serialized = json.dumps(val)
except Exception as err: # pragma: no cover
raise ValueError('Attributes on JS Component class must be '
'JSON compatible.\n%s' % str(err))
const_code.append(prototype_prefix + name + ' = ' + serialized)
if const_code:
total_code.append('')
total_code.extend(const_code)
if funcs_code:
total_code.append('')
total_code.extend(funcs_code)
total_code.append('')
# Return string with meta info (similar to what py2js returns)
mc.meta['vars_unknown'].discard('flx_name')
return mc.attach_meta('\n'.join(total_code))
def create_js_hasevents_class(cls, cls_name, base_class='HasEvents.prototype'):
""" Create the JS equivalent of a subclass of the HasEvents class.
Given a Python class with handlers, properties and emitters, this
creates the code for the JS version of this class. It also supports
class constants that are int/float/str, or a tuple/list thereof.
The given class does not have to be a subclass of HasEvents.
This more or less does what HasEventsMeta does, but for JS.
"""
assert cls_name != 'HasEvents' # we need this special class above instead
handlers = []
emitters = []
properties = []
total_code = []
funcs_code = [] # functions and emitters go below class constants
const_code = []
err = ('Objects on JS HasEvents classes can only be int, float, str, '
'or a list/tuple thereof. Not %s -> %r.')
total_code.append('\n'.join(get_class_definition(cls_name, base_class)).rstrip())
prefix = '' if cls_name.count('.') else 'var '
total_code[0] = prefix + total_code[0]
# Functions to ignore
special_funcs = ['_%s_func' % name for name in
(cls.__handlers__ + cls.__emitters__ + cls.__properties__)]
OK_MAGICS = ('__properties__', '__emitters__', '__handlers__',
'__proxy_properties__', '__emitter_flags__')
for name, val in sorted(cls.__dict__.items()):
name = name.replace('_JS__', '_%s__' % cls_name.split('.')[-1]) # fix mangling
funcname = '_' + name + '_func'
if name in special_funcs:
pass
elif isinstance(val, BaseEmitter):
if isinstance(val, Property):
properties.append(name)
else:
emitters.append(name)
# Add function def
code = py2js(val._func, cls_name + '.prototype.' + funcname)
code = code.replace('super()', base_class) # fix super
funcs_code.append(code.rstrip())
# Mark to not bind the func
t = '%s.prototype.%s.nobind = true;'
funcs_code.append(t % (cls_name, funcname))
# Has default val?
if isinstance(val, Property) and val._defaults:
default_val = json.dumps(val._defaults[0])
t = '%s.prototype.%s.default = %s;'
funcs_code.append(t % (cls_name, funcname, default_val))
# Add type of emitter
t = '%s.prototype.%s.emitter_type = %s;'
emitter_type = val.__class__.__name__
funcs_code.append(t % (cls_name, funcname, reprs(emitter_type)))
funcs_code.append('')
elif isinstance(val, HandlerDescriptor):
handlers.append(name)
# Add function def
code = py2js(val._func, cls_name + '.prototype.' + funcname)
code = code.replace('super()', base_class) # fix super
funcs_code.append(code.rstrip())
# Mark to not bind the func
t = '%s.prototype.%s.nobind = true;'
funcs_code.append(t % (cls_name, funcname))
# Add connection strings to the function object
t = '%s.prototype.%s._connection_strings = %s;'
funcs_code.append(t % (cls_name, funcname, reprs(val._connection_strings)))
funcs_code.append('')
elif callable(val):
code = py2js(val, cls_name + '.prototype.' + name)
code = code.replace('super()', base_class) # fix super
funcs_code.append(code.rstrip())
funcs_code.append('')
elif name in OK_MAGICS:
t = '%s.prototype.%s = %s;'
const_code.append(t % (cls_name, name, reprs(val)))
elif name.startswith('__'):
pass # we create our own __emitters__, etc.
else:
try:
serialized = json.dumps(val)
except Exception as err: # pragma: no cover
raise ValueError('Attributes on JS HasEvents class must be '
'JSON compatible.\n%s' % str(err))
#const_code.append('%s.prototype.%s = JSON.parse(%s)' %
# (cls_name, name, reprs(serialized)))
const_code.append('%s.prototype.%s = %s;' % (cls_name, name, serialized))
if const_code:
total_code.append('')
total_code.extend(const_code)
if funcs_code:
total_code.append('')
total_code.extend(funcs_code)
total_code.append('')
return '\n'.join(total_code)
def create_js_hasevents_class(cls, cls_name, base_class='HasEvents.prototype'):
""" Create the JS equivalent of a subclass of the HasEvents class.
Given a Python class with handlers, properties and emitters, this
creates the code for the JS version of this class. It also supports
class constants that are int/float/str, or a tuple/list thereof.
The given class does not have to be a subclass of HasEvents.
This more or less does what HasEventsMeta does, but for JS.
"""
assert cls_name != 'HasEvents' # we need this special class above instead
handlers = []
emitters = []
properties = []
total_code = []
funcs_code = [] # functions and emitters go below class constants
const_code = []
err = ('Objects on JS HasEvents classes can only be int, float, str, '
'or a list/tuple thereof. Not %s -> %r.')
total_code.append('\n'.join(get_class_definition(cls_name,
base_class)).rstrip())
prefix = '' if cls_name.count('.') else 'var '
total_code[0] = prefix + total_code[0]
# Functions to ignore
special_funcs = [
'_%s_func' % name
for name in (cls.__handlers__ + cls.__emitters__ + cls.__properties__)
]
OK_MAGICS = ('__properties__', '__emitters__', '__handlers__',
'__proxy_properties__', '__emitter_flags__')
for name, val in sorted(cls.__dict__.items()):
name = name.replace('_JS__',
'_%s__' % cls_name.split('.')[-1]) # fix mangling
funcname = '_' + name + '_func'
if name in special_funcs:
pass
elif isinstance(val, BaseEmitter):
if isinstance(val, Property):
properties.append(name)
else:
emitters.append(name)
# Add function def
code = py2js(val._func, cls_name + '.prototype.' + funcname)
code = code.replace('super()', base_class) # fix super
funcs_code.append(code.rstrip())
# Mark to not bind the func
t = '%s.prototype.%s.nobind = true;'
funcs_code.append(t % (cls_name, funcname))
# Has default val?
if isinstance(val, Property) and val._defaults:
default_val = json.dumps(val._defaults[0])
t = '%s.prototype.%s.default = %s;'
funcs_code.append(t % (cls_name, funcname, default_val))
# Add type of emitter
t = '%s.prototype.%s.emitter_type = %s;'
emitter_type = val.__class__.__name__
funcs_code.append(t % (cls_name, funcname, reprs(emitter_type)))
funcs_code.append('')
elif isinstance(val, HandlerDescriptor):
handlers.append(name)
# Add function def
code = py2js(val._func, cls_name + '.prototype.' + funcname)
code = code.replace('super()', base_class) # fix super
funcs_code.append(code.rstrip())
# Mark to not bind the func
t = '%s.prototype.%s.nobind = true;'
funcs_code.append(t % (cls_name, funcname))
# Add connection strings to the function object
t = '%s.prototype.%s._connection_strings = %s;'
funcs_code.append(
t % (cls_name, funcname, reprs(val._connection_strings)))
funcs_code.append('')
elif callable(val):
code = py2js(val, cls_name + '.prototype.' + name)
code = code.replace('super()', base_class) # fix super
funcs_code.append(code.rstrip())
funcs_code.append('')
elif name in OK_MAGICS:
t = '%s.prototype.%s = %s;'
const_code.append(t % (cls_name, name, reprs(val)))
elif name.startswith('__'):
pass # we create our own __emitters__, etc.
else:
try:
serialized = json.dumps(val)
except Exception as err: # pragma: no cover
raise ValueError('Attributes on JS HasEvents class must be '
'JSON compatible.\n%s' % str(err))
#const_code.append('%s.prototype.%s = JSON.parse(%s)' %
# (cls_name, name, reprs(serialized)))
const_code.append('%s.prototype.%s = %s;' %
(cls_name, name, serialized))
if const_code:
total_code.append('')
total_code.extend(const_code)
if funcs_code:
total_code.append('')
total_code.extend(funcs_code)
total_code.append('')
return '\n'.join(total_code)
def create_js_hasevents_class(cls, cls_name, base_class='HasEvents.Ƥ'):
""" Create the JS equivalent of a subclass of the HasEvents class.
Given a Python class with handlers, properties and emitters, this
creates the code for the JS version of this class. It also supports
class constants that are int/float/str, or a tuple/list thereof.
The given class does not have to be a subclass of HasEvents.
This more or less does what HasEventsMeta does, but for JS.
"""
assert cls_name != 'HasEvents' # we need this special class above instead
# Collect meta information of all code pieces that we collect
meta = {
'vars_unknown': set(),
'vars_global': set(),
'std_functions': set(),
'std_methods': set(),
'linenr': 1e9
}
def py2js_local(*args, **kwargs):
code = py2js(*args, **kwargs)
for key in meta:
if key == 'linenr':
meta[key] = min(meta[key], code.meta[key])
else:
meta[key].update(code.meta[key])
return code
handlers = []
emitters = []
properties = []
total_code = []
funcs_code = [] # functions and emitters go below class constants
const_code = []
err = ('Objects on JS HasEvents classes can only be int, float, str, '
'or a list/tuple thereof. Not %s -> %r.')
total_code.append('\n'.join(get_class_definition(cls_name,
base_class)).rstrip())
prefix = '' if cls_name.count('.') else 'var '
total_code[0] = prefix + total_code[0]
# Functions to ignore
OK_MAGICS = ('__properties__', '__emitters__', '__handlers__',
'__local_properties__')
for name, val in sorted(cls.__dict__.items()):
name = name.replace('_JS__',
'_%s__' % cls_name.split('.')[-1]) # fix mangling
if isinstance(val, BaseEmitter):
funcname = name
if isinstance(val, Property):
properties.append(name)
else:
emitters.append(name)
# Add function def
code = py2js_local(val._func, cls_name + '.Ƥ.' + funcname)
code = code.replace('super()', base_class) # fix super
funcs_code.append(code.rstrip())
# Mark to not bind the func
t = '%s.Ƥ.%s.nobind = true;'
funcs_code.append(t % (cls_name, funcname))
# Has default val?
if isinstance(val, Property) and val._defaults:
default_val = json.dumps(val._defaults[0])
t = '%s.Ƥ.%s.default = %s;'
funcs_code.append(t % (cls_name, funcname, default_val))
# Add type of emitter
t = '%s.Ƥ.%s.emitter_type = %s;'
emitter_type = val.__class__.__name__
funcs_code.append(t % (cls_name, funcname, reprs(emitter_type)))
funcs_code.append('')
elif isinstance(val, HandlerDescriptor):
funcname = name # funcname is simply name, so that super() works
handlers.append(name)
# Add function def
code = py2js_local(val._func, cls_name + '.Ƥ.' + funcname)
code = code.replace('super()', base_class) # fix super
funcs_code.append(code.rstrip())
# Mark to not bind the func
t = '%s.Ƥ.%s.nobind = true;'
funcs_code.append(t % (cls_name, funcname))
# Add connection strings to the function object
t = '%s.Ƥ.%s._connection_strings = %s;'
funcs_code.append(
t % (cls_name, funcname, reprs(val._connection_strings)))
funcs_code.append('')
elif callable(val):
code = py2js_local(val, cls_name + '.Ƥ.' + name)
code = code.replace('super()', base_class) # fix super
funcs_code.append(code.rstrip())
funcs_code.append('')
elif name in OK_MAGICS:
t = '%s.Ƥ.%s = %s;'
const_code.append(t % (cls_name, name, reprs(val)))
elif name.startswith('__'):
pass # we create our own __emitters__, etc.
else:
try:
serialized = json.dumps(val)
except Exception as err: # pragma: no cover
raise ValueError('Attributes on JS HasEvents class must be '
'JSON compatible.\n%s' % str(err))
#const_code.append('%s.Ƥ.%s = JSON.parse(%s)' %
# (cls_name, name, reprs(serialized)))
const_code.append('%s.Ƥ.%s = %s;' % (cls_name, name, serialized))
if const_code:
total_code.append('')
total_code.extend(const_code)
if funcs_code:
total_code.append('')
total_code.extend(funcs_code)
total_code.append('')
# Return string with meta info (similar to what py2js returns)
js = JSString('\n'.join(total_code))
js.meta = meta
return js
def create_js_hasevents_class(cls, cls_name, base_class='HasEvents.prototype'):
""" Create the JS equivalent of a subclass of the HasEvents class.
Given a Python class with handlers, properties and emitters, this
creates the code for the JS version of this class. It also supports
class constants that are int/float/str, or a tuple/list thereof.
The given class does not have to be a subclass of HasEvents.
This more or less does what HasEventsMeta does, but for JS.
"""
assert cls_name != 'HasEvents' # we need this special class above instead
# Collect meta information of all code pieces that we collect
meta = {'vars_unknown': set(), 'vars_global': set(), 'std_functions': set(),
'std_methods': set(), 'linenr': 1e9}
def py2js_local(*args, **kwargs):
code = py2js(*args, **kwargs)
for key in meta:
if key == 'linenr':
meta[key] = min(meta[key], code.meta[key])
else:
meta[key].update(code.meta[key])
return code
handlers = []
emitters = []
properties = []
total_code = []
funcs_code = [] # functions and emitters go below class constants
const_code = []
err = ('Objects on JS HasEvents classes can only be int, float, str, '
'or a list/tuple thereof. Not %s -> %r.')
total_code.append('\n'.join(get_class_definition(cls_name, base_class)).rstrip())
prefix = '' if cls_name.count('.') else 'var '
total_code[0] = prefix + total_code[0]
# Functions to ignore
OK_MAGICS = ('__properties__', '__emitters__', '__handlers__',
'__local_properties__')
# Process class items in original order or sorted by name if we cant
class_items = cls.__dict__.items()
if sys.version_info < (3, 6):
class_items = sorted(class_items)
for name, val in class_items:
name = name.replace('_JS__', '_%s__' % cls_name.split('.')[-1]) # fix mangling
if isinstance(val, BaseEmitter):
funcname = name
if isinstance(val, Property):
properties.append(name)
else:
emitters.append(name)
# Add function def
code = py2js_local(val._func, cls_name + '.prototype.' + funcname)
code = code.replace('super()', base_class) # fix super
funcs_code.append(code.rstrip())
# Mark to not bind the func
t = '%s.prototype.%s.nobind = true;'
funcs_code.append(t % (cls_name, funcname))
# Has default val?
if isinstance(val, Property) and val._defaults:
default_val = json.dumps(val._defaults[0])
t = '%s.prototype.%s.default = %s;'
funcs_code.append(t % (cls_name, funcname, default_val))
# Add type of emitter
t = '%s.prototype.%s.emitter_type = %s;'
emitter_type = val.__class__.__name__
funcs_code.append(t % (cls_name, funcname, reprs(emitter_type)))
funcs_code.append('')
elif isinstance(val, HandlerDescriptor):
funcname = name # funcname is simply name, so that super() works
handlers.append(name)
# Add function def
code = py2js_local(val._func, cls_name + '.prototype.' + funcname)
code = code.replace('super()', base_class) # fix super
funcs_code.append(code.rstrip())
# Mark to not bind the func
t = '%s.prototype.%s.nobind = true;'
funcs_code.append(t % (cls_name, funcname))
# Add connection strings to the function object
t = '%s.prototype.%s._connection_strings = %s;'
funcs_code.append(t % (cls_name, funcname, reprs(val._connection_strings)))
funcs_code.append('')
elif callable(val):
code = py2js_local(val, cls_name + '.prototype.' + name)
code = code.replace('super()', base_class) # fix super
funcs_code.append(code.rstrip())
funcs_code.append('')
elif name in OK_MAGICS:
t = '%s.prototype.%s = %s;'
const_code.append(t % (cls_name, name, reprs(val)))
elif name.startswith('__'):
pass # we create our own __emitters__, etc.
else:
try:
serialized = json.dumps(val)
except Exception as err: # pragma: no cover
raise ValueError('Attributes on JS HasEvents class must be '
'JSON compatible.\n%s' % str(err))
#const_code.append('%s.prototype.%s = JSON.parse(%s)' %
# (cls_name, name, reprs(serialized)))
const_code.append('%s.prototype.%s = %s;' % (cls_name, name, serialized))
if const_code:
total_code.append('')
total_code.extend(const_code)
if funcs_code:
total_code.append('')
total_code.extend(funcs_code)
total_code.append('')
# Return string with meta info (similar to what py2js returns)
js = JSString('\n'.join(total_code))
js.meta = meta
return js
def create_js_hasevents_class(cls, cls_name, base_class='HasEvents.prototype'):
""" Create the JS equivalent of a subclass of the HasEvents class.
Given a Python class with handlers, properties and emitters, this
creates the code for the JS version of this class. It also supports
class constants that are int/float/str, or a tuple/list thereof.
"""
assert cls_name != 'HasEvents' # we need this special class above instead
handlers = []
emitters = []
properties = []
total_code = []
funcs_code = [] # functions and emitters go below class constants
const_code = []
err = ('Objects on JS HasEvents classes can only be int, float, str, '
'or a list/tuple thereof. Not %s -> %r.')
total_code.extend(get_class_definition(cls_name, base_class))
prefix = '' if cls_name.count('.') else 'var '
total_code[0] = prefix + total_code[0]
for name, val in sorted(cls.__dict__.items()):
name = name.replace('_JS__',
'_%s__' % cls_name.split('.')[-1]) # fix mangling
funcname = '_' + name + '_func'
if isinstance(val, BaseEmitter):
if isinstance(val, Property):
properties.append(name)
else:
emitters.append(name)
# Add function def
code = py2js(val._func, cls_name + '.prototype.' + funcname)
code = code.replace('super()', base_class) # fix super
funcs_code.append(code.rstrip())
# Mark to not bind the func
t = '%s.prototype.%s.nobind = true;'
funcs_code.append(t % (cls_name, funcname))
# Add type of emitter
t = '%s.prototype.%s._emitter_type = %s;'
emitter_type = val.__class__.__name__
funcs_code.append(t % (cls_name, funcname, reprs(emitter_type)))
funcs_code.append('')
elif isinstance(val, HandlerDescriptor):
handlers.append(name)
# Add function def
code = py2js(val._func, cls_name + '.prototype.' + funcname)
code = code.replace('super()', base_class) # fix super
funcs_code.append(code.rstrip())
# Mark to not bind the func
t = '%s.prototype.%s.nobind = true;'
funcs_code.append(t % (cls_name, funcname))
# Add connection strings to the function object
t = '%s.prototype.%s._connection_strings = %s;'
funcs_code.append(
t % (cls_name, funcname, reprs(val._connection_strings)))
funcs_code.append('')
elif callable(val):
code = py2js(val, cls_name + '.prototype.' + name)
code = code.replace('super()', base_class) # fix super
funcs_code.append(code.rstrip())
funcs_code.append('')
elif name.startswith('__'):
pass # we create our own __emitters__ list
else:
try:
serialized = json.dumps(val)
except Exception as err: # pragma: no cover
raise ValueError('Attributes on JS HasEvents class must be '
'JSON compatible.\n%s' % str(err))
const_code.append('%s.prototype.%s = JSON.parse(%s)' %
(cls_name, name, reprs(serialized)))
# Store handlers, properties and emitters that we found
if base_class in ('Object', 'HasEvents.prototype'):
t = '%s.prototype.__emitters__ = %s;'
total_code.append(t % (cls_name, reprs(list(sorted(emitters)))))
t = '%s.prototype.__properties__ = %s;'
total_code.append(t % (cls_name, reprs(list(sorted(properties)))))
t = '%s.prototype.__handlers__ = %s;'
total_code.append(t % (cls_name, reprs(list(sorted(handlers)))))
else:
t = '%s.prototype.__emitters__ = %s.__emitters__.concat(%s).sort();'
total_code.append(t % (cls_name, base_class, reprs(emitters)))
t = '%s.prototype.__properties__ = %s.__properties__.concat(%s).sort();'
total_code.append(t % (cls_name, base_class, reprs(properties)))
t = '%s.prototype.__handlers__ = %s.__handlers__.concat(%s).sort();'
total_code.append(t % (cls_name, base_class, reprs(handlers)))
total_code.append('')
total_code.extend(const_code)
total_code.append('')
total_code.extend(funcs_code)
return '\n'.join(total_code)