386 lines
10 KiB
GDScript
386 lines
10 KiB
GDScript
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# ------------------------------------------------------------------------------
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# Utility class to hold the local and built in methods seperately. Add all local
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# methods FIRST, then add built ins.
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# ------------------------------------------------------------------------------
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class ScriptMethods:
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# List of methods that should not be overloaded when they are not defined
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# in the class being doubled. These either break things if they are
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# overloaded or do not have a "super" equivalent so we can't just pass
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# through.
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var _blacklist = [
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'has_method',
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'get_script',
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'get',
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'_notification',
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'get_path',
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'_enter_tree',
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'_exit_tree',
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'_process',
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'_draw',
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'_physics_process',
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'_input',
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'_unhandled_input',
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'_unhandled_key_input',
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'_set',
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'_get', # probably
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'emit_signal', # can't handle extra parameters to be sent with signal.
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]
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var built_ins = []
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var local_methods = []
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var _method_names = []
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func is_blacklisted(method_meta):
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return _blacklist.find(method_meta.name) != -1
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func _add_name_if_does_not_have(method_name):
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var should_add = _method_names.find(method_name) == -1
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if(should_add):
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_method_names.append(method_name)
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return should_add
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func add_built_in_method(method_meta):
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var did_add = _add_name_if_does_not_have(method_meta.name)
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if(did_add and !is_blacklisted(method_meta)):
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built_ins.append(method_meta)
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func add_local_method(method_meta):
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var did_add = _add_name_if_does_not_have(method_meta.name)
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if(did_add):
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local_methods.append(method_meta)
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func to_s():
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var text = "Locals\n"
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for i in range(local_methods.size()):
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text += str(" ", local_methods[i].name, "\n")
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text += "Built-Ins\n"
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for i in range(built_ins.size()):
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text += str(" ", built_ins[i].name, "\n")
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return text
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# ------------------------------------------------------------------------------
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# Helper class to deal with objects and inner classes.
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# ------------------------------------------------------------------------------
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class ObjectInfo:
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var _path = null
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var _subpaths = []
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var _utils = load('res://addons/gut/utils.gd').new()
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func _init(path, subpath=null):
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_path = path
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if(subpath != null):
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_subpaths = _utils.split_string(subpath, '/')
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# Returns an instance of the class/inner class
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func instantiate():
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return get_loaded_class().new()
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# Can't call it get_class because that is reserved so it gets this ugly name.
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# Loads up the class and then any inner classes to give back a reference to
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# the desired Inner class (if there is any)
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func get_loaded_class():
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var LoadedClass = load(_path)
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for i in range(_subpaths.size()):
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LoadedClass = LoadedClass.get(_subpaths[i])
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return LoadedClass
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func to_s():
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return str(_path, '[', get_subpath(), ']')
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func get_path():
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return _path
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func get_subpath():
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return _utils.join_array(_subpaths, '/')
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func has_subpath():
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return _subpaths.size() != 0
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func get_extends_text():
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var extend = str("extends '", get_path(), '\'')
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if(has_subpath()):
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extend += str('.', get_subpath().replace('/', '.'))
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return extend
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# ------------------------------------------------------------------------------
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# START Doubler
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# ------------------------------------------------------------------------------
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var _output_dir = null
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var _stubber = null
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var _double_count = 0 # used in making files names unique
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var _use_unique_names = true
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var _spy = null
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var _utils = load('res://addons/gut/utils.gd').new()
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var _lgr = _utils.get_logger()
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var _method_maker = _utils.MethodMaker.new()
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var _strategy = null
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var _swapped_out_strategy = null
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func _temp_strategy(strat):
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_swapped_out_strategy = _strategy
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_strategy = strat
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func _restore_strategy():
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_strategy = _swapped_out_strategy
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func _init(strategy=_utils.DOUBLE_STRATEGY.PARTIAL):
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# make sure _method_maker gets logger too
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set_logger(_utils.get_logger())
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_strategy = strategy
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# ###############
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# Private
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# ###############
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func _get_indented_line(indents, text):
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var to_return = ''
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for i in range(indents):
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to_return += "\t"
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return str(to_return, text, "\n")
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func _write_file(obj_info, dest_path, override_path=null):
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var script_methods = _get_methods(obj_info)
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var metadata = _get_stubber_metadata_text(obj_info)
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if(override_path):
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metadata = _get_stubber_metadata_text(obj_info, override_path)
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var f = File.new()
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f.open(dest_path, f.WRITE)
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f.store_string(str(obj_info.get_extends_text(), "\n"))
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f.store_string(metadata)
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for i in range(script_methods.local_methods.size()):
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f.store_string(_get_func_text(script_methods.local_methods[i]))
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for i in range(script_methods.built_ins.size()):
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f.store_string(_get_super_func_text(script_methods.built_ins[i]))
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f.close()
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func _double_scene_and_script(target_path, dest_path):
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var dir = Directory.new()
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dir.copy(target_path, dest_path)
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var inst = load(target_path).instance()
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var script_path = null
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if(inst.get_script()):
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script_path = inst.get_script().get_path()
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inst.free()
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if(script_path):
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var oi = ObjectInfo.new(script_path)
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var double_path = _double(oi, target_path)
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var dq = '"'
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var f = File.new()
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f.open(dest_path, f.READ)
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var source = f.get_as_text()
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f.close()
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source = source.replace(dq + script_path + dq, dq + double_path + dq)
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f.open(dest_path, f.WRITE)
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f.store_string(source)
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f.close()
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return script_path
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func _get_methods(object_info):
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var obj = object_info.instantiate()
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# any mehtod in the script or super script
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var script_methods = ScriptMethods.new()
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var methods = obj.get_method_list()
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# first pass is for local mehtods only
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for i in range(methods.size()):
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# 65 is a magic number for methods in script, though documentation
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# says 64. This picks up local overloads of base class methods too.
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if(methods[i].flags == 65):
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script_methods.add_local_method(methods[i])
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if(_strategy == _utils.DOUBLE_STRATEGY.FULL):
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if(_utils.is_version_30()):
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# second pass is for anything not local
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for i in range(methods.size()):
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# 65 is a magic number for methods in script, though documentation
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# says 64. This picks up local overloads of base class methods too.
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if(methods[i].flags != 65):
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script_methods.add_built_in_method(methods[i])
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else:
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_lgr.warn('Full doubling is disabled in 3.1')
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return script_methods
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func _get_inst_id_ref_str(inst):
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var ref_str = 'null'
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if(inst):
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ref_str = str('instance_from_id(', inst.get_instance_id(),')')
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return ref_str
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func _get_stubber_metadata_text(obj_info, override_path = null):
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var path = obj_info.get_path()
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if(override_path != null):
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path = override_path
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return "var __gut_metadata_ = {\n" + \
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"\tpath='" + path + "',\n" + \
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"\tsubpath='" + obj_info.get_subpath() + "',\n" + \
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"\tstubber=" + _get_inst_id_ref_str(_stubber) + ",\n" + \
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"\tspy=" + _get_inst_id_ref_str(_spy) + "\n" + \
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"}\n"
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func _get_spy_text(method_hash):
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var txt = ''
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if(_spy):
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var called_with = _method_maker.get_spy_call_parameters_text(method_hash)
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txt += "\t__gut_metadata_.spy.add_call(self, '" + method_hash.name + "', " + called_with + ")\n"
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return txt
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func _get_func_text(method_hash):
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var ftxt = _method_maker.get_decleration_text(method_hash) + "\n"
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var called_with = _method_maker.get_spy_call_parameters_text(method_hash)
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ftxt += _get_spy_text(method_hash)
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if(_stubber and method_hash.name != '_init'):
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ftxt += "\treturn __gut_metadata_.stubber.get_return(self, '" + method_hash.name + "', " + called_with + ")\n"
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else:
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ftxt += "\tpass\n"
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return ftxt
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func _get_super_func_text(method_hash):
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var call_method = _method_maker.get_super_call_text(method_hash)
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var call_super_text = str("return ", call_method, "\n")
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var ftxt = _method_maker.get_decleration_text(method_hash) + "\n"
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ftxt += _get_spy_text(method_hash)
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ftxt += _get_indented_line(1, call_super_text)
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return ftxt
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# returns the path to write the double file to
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func _get_temp_path(object_info):
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var file_name = object_info.get_path().get_file().get_basename()
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var extension = object_info.get_path().get_extension()
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if(object_info.has_subpath()):
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file_name += '__' + object_info.get_subpath().replace('/', '__')
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if(_use_unique_names):
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file_name += str('__dbl', _double_count, '__.', extension)
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else:
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file_name += '.' + extension
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var to_return = _output_dir.plus_file(file_name)
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return to_return
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func _double(obj_info, override_path=null):
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var temp_path = _get_temp_path(obj_info)
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_write_file(obj_info, temp_path, override_path)
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_double_count += 1
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return temp_path
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# ###############
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# Public
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# ###############
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func get_output_dir():
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return _output_dir
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func set_output_dir(output_dir):
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_output_dir = output_dir
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var d = Directory.new()
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d.make_dir_recursive(output_dir)
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func get_spy():
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return _spy
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func set_spy(spy):
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_spy = spy
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func get_stubber():
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return _stubber
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func set_stubber(stubber):
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_stubber = stubber
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func get_logger():
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return _lgr
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func set_logger(logger):
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_lgr = logger
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_method_maker.set_logger(logger)
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func get_strategy():
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return _strategy
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func set_strategy(strategy):
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_strategy = strategy
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# double a scene
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func double_scene(path, strategy=_strategy):
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_temp_strategy(strategy)
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var oi = ObjectInfo.new(path)
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var temp_path = _get_temp_path(oi)
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_double_scene_and_script(path, temp_path)
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_restore_strategy()
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return load(temp_path)
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# double a script/object
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func double(path, strategy=_strategy):
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_temp_strategy(strategy)
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var oi = ObjectInfo.new(path)
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var to_return = load(_double(oi))
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_restore_strategy()
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return to_return
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# double an inner class in a script
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func double_inner(path, subpath, strategy=_strategy):
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_temp_strategy(strategy)
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var oi = ObjectInfo.new(path, subpath)
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var to_return = load(_double(oi))
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_restore_strategy()
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return to_return
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func clear_output_directory():
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var did = false
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if(_output_dir.find('user://') == 0):
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var d = Directory.new()
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var result = d.open(_output_dir)
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# BIG GOTCHA HERE. If it cannot open the dir w/ erro 31, then the
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# directory becomes res:// and things go on normally and gut clears out
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# out res:// which is SUPER BAD.
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if(result == OK):
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d.list_dir_begin(true)
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var files = []
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var f = d.get_next()
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while(f != ''):
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d.remove(f)
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f = d.get_next()
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did = true
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return did
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func delete_output_directory():
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var did = clear_output_directory()
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if(did):
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var d = Directory.new()
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d.remove(_output_dir)
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# When creating doubles a unique name is used that each double can be its own
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# thing. Sometimes, for testing, we do not want to do this so this allows
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# you to turn off creating unique names for each double class.
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#
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# THIS SHOULD NEVER BE USED OUTSIDE OF INTERNAL GUT TESTING. It can cause
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# weird, hard to track down problems.
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func set_use_unique_names(should):
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_use_unique_names = should
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