def compile(self):
"""
This method will compile and prepare everything to start evaluation
the configuration specification.
This method will:
- load all namespaces
- compile the __config__ namespace
- start resolving it and importing unknown namespaces
"""
self.load()
statements = []
for unit in self._units:
if unit.unit is not None:
statements.extend(unit.unit.compile())
# add the entity type (hack?)
entity = DefineEntity("Entity", "The entity all other entities inherit from.")
entity.namespace = Namespace("std", self.__root_ns)
requires_rel = DefineRelation([Reference("Entity", ["std"]), "requires", [0, None], False],
[Reference("Entity", ["std"]), "provides", [0, None], False])
requires_rel.namespace = Namespace("std", self.__root_ns)
statements.append(entity)
statements.append(requires_rel)
return statements
