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tlv: parse fields for tlv messages

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This commit is contained in:
lisa neigut 2019-03-11 18:18:52 -07:00 committed by Rusty Russell
parent d9904c95ab
commit 44d052e6c3
1 changed files with 26 additions and 1 deletions
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27
tools/generate-wire.py
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@ -678,6 +678,7 @@ def parse_tlv_file(tlv_field_name):
tlv_includes = []
tlv_messages = []
tlv_comments = []
tlv_prevfield = None
with open(get_directory_prefix() + get_tlv_filename(tlv_field_name)) as f:
for line in f:
# #include gets inserted into header
@ -697,7 +698,31 @@ def parse_tlv_file(tlv_field_name):
if len(parts) == 2:
# eg commit_sig,132
tlv_messages.append(Message(parts[0], Enumtype("TLV_" + parts[0].upper(), parts[1]), tlv_comments))
tlv_msg = Message(parts[0], Enumtype("TLV_" + parts[0].upper(), parts[1]), tlv_comments)
tlv_messages.append(tlv_msg)
tlv_comments = []
tlv_prevfield = None
else:
if len(parts) == 4:
# eg commit_sig,0,channel-id,8 OR
# commit_sig,0,channel-id,u64
m = find_message(tlv_messages, parts[0])
if m is None:
raise ValueError('Unknown message {}'.format(parts[0]))
elif len(parts) == 5:
# eg.
# channel_reestablish,48,your_last_per_commitment_secret,32,option209
m = find_message_with_option(tlv_messages, messages_with_option, parts[0], parts[4])
else:
raise ValueError('Line {} malformed'.format(line.rstrip()))
f = Field(m.name, parts[2], parts[3], tlv_comments, tlv_prevfield)
m.addField(f)
# If it used prevfield as lenvar, keep that for next
# time (multiple fields can use the same lenvar).
if not f.lenvar:
tlv_prevfield = parts[2]
tlv_comments = []
return tlv_includes, tlv_messages, tlv_comments