qapi/introspect.py: improve readability of _tree_to_qlit

Subjective, but I find getting rid of the comprehensions helps. Also,
divide the sections into scalar and non-scalar sections, and remove
old-style string formatting.

Signed-off-by: John Snow <jsnow@redhat.com>
Message-Id: <20210216021809.134886-13-jsnow@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
This commit is contained in:
John Snow 2021-02-15 21:18:02 -05:00 committed by Markus Armbruster
parent 2a6c161bbf
commit c0e8d9f3c1

View File

@ -91,7 +91,7 @@ def _tree_to_qlit(obj, level=0, dict_value=False):
ret = ''
if obj.comment:
ret += indent(level) + '/* %s */\n' % obj.comment
ret += indent(level) + f"/* {obj.comment} */\n"
if obj.ifcond:
ret += gen_if(obj.ifcond)
ret += _tree_to_qlit(obj.value, level)
@ -102,33 +102,36 @@ def _tree_to_qlit(obj, level=0, dict_value=False):
ret = ''
if not dict_value:
ret += indent(level)
# Scalars:
if obj is None:
ret += 'QLIT_QNULL'
elif isinstance(obj, str):
ret += 'QLIT_QSTR(' + to_c_string(obj) + ')'
ret += f"QLIT_QSTR({to_c_string(obj)})"
elif isinstance(obj, bool):
ret += f"QLIT_QBOOL({str(obj).lower()})"
# Non-scalars:
elif isinstance(obj, list):
elts = [_tree_to_qlit(elt, level + 1).strip('\n')
for elt in obj]
elts.append(indent(level + 1) + "{}")
ret += 'QLIT_QLIST(((QLitObject[]) {\n'
ret += '\n'.join(elts) + '\n'
for value in obj:
ret += _tree_to_qlit(value, level + 1).strip('\n') + '\n'
ret += indent(level + 1) + '{}\n'
ret += indent(level) + '}))'
elif isinstance(obj, dict):
elts = []
for key, value in sorted(obj.items()):
elts.append(indent(level + 1) + '{ %s, %s }' %
(to_c_string(key),
_tree_to_qlit(value, level + 1, True)))
elts.append(indent(level + 1) + '{}')
ret += 'QLIT_QDICT(((QLitDictEntry[]) {\n'
ret += ',\n'.join(elts) + '\n'
for key, value in sorted(obj.items()):
ret += indent(level + 1) + "{{ {:s}, {:s} }},\n".format(
to_c_string(key),
_tree_to_qlit(value, level + 1, dict_value=True)
)
ret += indent(level + 1) + '{}\n'
ret += indent(level) + '}))'
elif isinstance(obj, bool):
ret += 'QLIT_QBOOL(%s)' % ('true' if obj else 'false')
else:
raise NotImplementedError(
f"type '{type(obj).__name__}' not implemented"
)
if level > 0:
ret += ','
return ret