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DSDL signature is being computed from constants as well

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Pavel Kirienko
2014-03-03 10:43:11 +04:00
parent 33ebb1f9e0
commit c994fa59b0
1 changed files with 18 additions and 9 deletions
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pyuavcan/pyuavcan/dsdl/parser.py
+18 -9
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@@ -191,18 +191,25 @@ class Parser:
validate_compound_type_full_name(full_name)
return full_name, default_dtid
def _compute_dsdl_signature(self, full_typename, fields, response_fields=None):
def _compute_dsdl_signature(self, full_typename, fields, constants, response_fields=None, response_constants=None):
text = full_typename + '\n'
text += '\n'.join([x.get_normalized_definition() for x in fields])
if response_fields is not None:
text += '\n---\n'
text += '\n'.join([x.get_normalized_definition() for x in response_fields])
text = text.replace('\n\n', '\n')
def adjoin(attrs):
nonlocal text
text += '\n'.join([x.get_normalized_definition() for x in attrs])
const_sort_key = lambda x: x.get_normalized_definition()
adjoin(fields)
adjoin(sorted(constants, key=const_sort_key))
if response_fields is not None or response_constants is not None:
text += '\n---\n'
adjoin(response_fields)
adjoin(sorted(response_constants, key=const_sort_key))
text = text.strip().replace('\n\n', '\n')
self.log.debug('DSDL signature of [%s] will be computed from:', full_typename)
for ln in text.splitlines():
self.log.debug(' %s', ln)
return compute_signature(text)
def _locate_compound_type_definition(self, referencing_filename, typename):
@@ -309,6 +316,7 @@ class Parser:
def _make_constant(self, attrtype, name, init_expression):
enforce(attrtype.category == attrtype.CATEGORY_PRIMITIVE, 'Invalid type for constant')
init_expression = ''.join(init_expression.split()) # Remove spaces
value = evaluate_expression(init_expression)
if not isinstance(value, (float, int, bool)):
error('Invalid type of constant initialization expression [%s]', type(value).__name__)
@@ -384,7 +392,8 @@ class Parser:
raise DsdlException('Internal error: %s' % str(ex), line=num) from ex
if response_part:
dsdl_signature = self._compute_dsdl_signature(full_typename, fields, resp_fields)
dsdl_signature = self._compute_dsdl_signature(full_typename, fields, constants,
resp_fields, resp_constants)
typedef = CompoundType(full_typename, CompoundType.KIND_SERVICE, dsdl_signature, filename, default_dtid)
typedef.request_fields = fields
typedef.request_constants = constants
@@ -393,7 +402,7 @@ class Parser:
max_bitlen = typedef.get_max_bitlen_request(), typedef.get_max_bitlen_response()
max_bytelen = tuple(map(bitlen_to_bytelen, max_bitlen))
else:
dsdl_signature = self._compute_dsdl_signature(full_typename, fields)
dsdl_signature = self._compute_dsdl_signature(full_typename, fields, constants)
typedef = CompoundType(full_typename, CompoundType.KIND_MESSAGE, dsdl_signature, filename, default_dtid)
typedef.fields = fields
typedef.constants = constants