def to_surface(self, transform_state, say_state, idiolect):
argx_to_front = decide_arg_to_front(self.rels_vargs, self.purpose,
self.subj_index)
# Verb context.
voice = self.decide_voice()
conj = self.decide_conjugation(transform_state, say_state, idiolect)
assert conj
is_fronting = argx_to_front is not None
info = transform_state.purpose_mgr.get(self.purpose)
is_split = info.split_verb(is_fronting)
relative_cont = RelativeContainment.NOT_REL
contract_not = idiolect.contractions
split_inf = idiolect.split_infinitive
if idiolect.subjunctive_were:
sbj_handling = SubjunctiveHandling.WERE_SBJ
else:
sbj_handling = SubjunctiveHandling.WAS_SBJ
surface_verb = SurfaceVerb(self.verb, voice, conj, is_split,
relative_cont, contract_not, split_inf,
sbj_handling)
surface_verb.check(allow_wildcards=False)
# Figure out prepositions for our relations.
rels_types = []
for rel, arg in self.rels_vargs:
rels_types.append((rel, arg.relation_arg_type()))
preps = transform_state.relation_mgr.decide_preps(
rels_types, self.subj_index)
# Build list of properly prepositioned surface arguments (without
# fronting or imperative subject omission).
orig_preps_surfs = []
for (rel, arg), prep in zip(self.rels_vargs, preps):
surface = arg.to_surface(transform_state, say_state, idiolect)
orig_preps_surfs.append((prep, surface))
# If imperative, we disappear the subject ("do this" vs "you do this").
is_imperative = self.verb.modality.flavor == ModalFlavor.IMPERATIVE
# Apply transformations to get surface structure for args (eg,
# fronting).
preps_surfs, vmain_index = transform(orig_preps_surfs, self.subj_index,
is_imperative, argx_to_front,
idiolect.stranding)
# Get the complementizer.
complementizer = STATUS2COMPLEMENTIZER[self.status]
return SurfaceContentClause(complementizer, surface_verb, self.adverbs,
preps_surfs, vmain_index)
