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#################### match_signatures_single ####################
@cname("__pyx_ff_match_signatures_single")
cdef object match_signatures_single(signatures: dict, dest_type):
found_match = signatures.get(dest_type)
if found_match is None:
raise TypeError("No matching signature found")
return found_match
#################### match_signatures ####################
cimport cython
@cname("__pyx_ff_index_signature")
cdef object index_signature(dest_sig: tuple, signatures: dict, sigindex: dict):
matched_function = None
for sig, function in signatures.items():
types = (<str> sig).strip('()').split('|')
for type_name, dest_type in zip(types, dest_sig):
if dest_type is None:
continue
if dest_type != type_name:
break
else:
if matched_function is not None:
raise TypeError("Function call with ambiguous argument types")
matched_function = function
if matched_function is None:
raise TypeError("No matching signature found")
sigindex[dest_sig] = matched_function
return matched_function
@cname("__pyx_ff_match_signatures")
cdef object match_signatures(signatures: dict, dest_sig: tuple, sigindex: dict):
found_match = sigindex.get(dest_sig)
if found_match is None:
# Unknown, ambiguous or not initialised yet.
found_match = index_signature(dest_sig, signatures, sigindex)
return found_match
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