def setup(self, func):
""" setup all nodes
create c file for externs
create ll file for c file
create codewriter """
if self.standalone:
func = augment_entrypoint(self.translator, func)
# XXX please dont ask!
from pypy.translator.c.genc import CStandaloneBuilder
cbuild = CStandaloneBuilder(self.translator, func, config=self.config)
c_db = cbuild.generate_graphs_for_llinterp()
self.db = Database(self, self.translator)
self.db.gcpolicy = GcPolicy.new(self.db, self.config)
self.db.gctransformer = c_db.gctransformer
# get entry point
entry_point = self.get_entry_point(func)
self._checkpoint('get_entry_point')
# set up all nodes
self.db.setup_all()
self.entrynode = self.db.set_entrynode(entry_point)
self._checkpoint('setup_all all nodes')
# set up externs nodes
self.setup_externs(c_db, self.db)
self.db.setup_all()
self._checkpoint('setup_all externs')
self._print_node_stats()
# open file & create codewriter
codewriter, self.filename = self.create_codewriter()
self._checkpoint('open file and create codewriter')
# create ll file from c code
self.generate_ll_externs(codewriter)
return codewriter
