def __init__(self, source, **substitutions):
source = "#include <pykit_ir.h>\n" + source
for name, value in substitutions.iteritems():
if isinstance(value, types.Type):
substitutions[name] = types.typename(value)
source = substitute(source, **substitutions)
self.state = pykitcompile(source)
self.m, self.f, self.b, self.entry, self.env = self.state
def build_conversion_table(convertable=types.scalar_set):
"""Returns { (from_type, to_type) -> funcname }"""
table = {}
for type in convertable:
typename = types.typename(type).lower()
table[(type, types.Object)] = "object_from_%s" % typename
table[(types.Object, type)] = "%s_from_object" % typename
return table
