# Global dictionary of new types (including enums)
global_types = {}
+seen_imports = {}
+
def global_type_add(name, obj):
'''Add new type to the dictionary of types '''
type_name = 'vl_api_' + name + '_t'
+ if type_name in global_types:
+ raise KeyError("Attempted redefinition of {!r} with {!r}.".format(
+ name, obj))
global_types[type_name] = obj
return binascii.crc32(s, crc) & 0xffffffff
+def vla_is_last_check(name, block):
+ vla = False
+ for i, b in enumerate(block):
+ if isinstance(b, Array) and b.vla:
+ vla = True
+ if i + 1 < len(block):
+ raise ValueError(
+ 'VLA field "{}" must be the last field in message "{}"'
+ .format(b.fieldname, name))
+ elif b.fieldtype.startswith('vl_api_'):
+ if global_types[b.fieldtype].vla:
+ vla = True
+ if i + 1 < len(block):
+ raise ValueError(
+ 'VLA field "{}" must be the last '
+ 'field in message "{}"'
+ .format(b.fieldname, name))
+ elif b.fieldtype == 'string' and b.length == 0:
+ vla = True
+ if i + 1 < len(block):
+ raise ValueError(
+ 'VLA field "{}" must be the last '
+ 'field in message "{}"'
+ .format(b.fieldname, name))
+ return vla
+
+
class Service():
def __init__(self, caller, reply, events=None, stream=False):
self.caller = caller
self.manual_print = True
elif f == 'manual_endian':
self.manual_endian = True
- for b in block:
- # Tag length field of a VLA
- if isinstance(b, Array):
- if b.lengthfield:
- for b2 in block:
- if b2.fieldname == b.lengthfield:
- b2.vla_len = True
global_type_add(name, self)
- self.vla = False
-
- for i, b in enumerate(block):
- if isinstance(b, Array):
- if b.length == 0:
- self.vla = True
- if i + 1 < len(block):
- raise ValueError(
- 'VLA field "{}" must be the last '
- 'field in message "{}"'
- .format(b.fieldname, name))
- elif b.fieldtype == 'string':
- self.vla = True
- if i + 1 < len(block):
- raise ValueError(
- 'VLA field "{}" must be the last '
- 'field in message "{}"'
- .format(b.fieldname, name))
+ self.vla = vla_is_last_check(name, block)
def __repr__(self):
return self.name + str(self.flags) + str(self.block)
def __init__(self, name, flags, alias):
self.name = name
self.vla = False
+ self.block = []
+ self.manual_print = True
+ self.manual_endian = True
self.manual_print = False
self.manual_endian = False
self.manual_endian = False
self.name = name
- self.manual_print = False
- self.manual_endian = False
for f in flags:
if f == 'manual_print':
self.manual_print = True
self.block = block
self.crc = str(block).encode()
+ self.vla = vla_is_last_check(name, block)
+
global_type_add(name, self)
def __repr__(self):
elif f == 'autoreply':
self.autoreply = True
- for i, b in enumerate(block):
+ for b in block:
if isinstance(b, Option):
if b[1] == 'singular' and b[2] == 'true':
self.singular = True
block.remove(b)
-
- if isinstance(b, Array) and b.vla and i + 1 < len(block):
- raise ValueError(
- 'VLA field "{}" must be the last field in message "{}"'
- .format(b.fieldname, name))
- elif b.fieldtype.startswith('vl_api_'):
- if (global_types[b.fieldtype].vla and i + 1 < len(block)):
- raise ValueError(
- 'VLA field "{}" must be the last '
- 'field in message "{}"'
- .format(b.fieldname, name))
- elif b.fieldtype == 'string' and b.length == 0:
- if i + 1 < len(block):
- raise ValueError(
- 'VLA field "{}" must be the last '
- 'field in message "{}"'
- .format(b.fieldname, name))
- # Tag length field of a VLA
- if isinstance(b, Array):
- if b.lengthfield:
- for b2 in block:
- if b2.fieldname == b.lengthfield:
- b2.vla_len = True
+ self.vla = vla_is_last_check(name, block)
def __repr__(self):
return self.name + str(self.flags) + str(self.block)
class Import():
- def __init__(self, filename):
- self.filename = filename
- # Deal with imports
- parser = VPPAPI(filename=filename)
- dirlist = dirlist_get()
- f = filename
- for dir in dirlist:
- f = os.path.join(dir, filename)
- if os.path.exists(f):
- break
+ def __new__(cls, *args, **kwargs):
+ if args[0] not in seen_imports:
+ instance = super().__new__(cls)
+ instance._initialized = False
+ seen_imports[args[0]] = instance
+
+ return seen_imports[args[0]]
- with open(f, encoding='utf-8') as fd:
- self.result = parser.parse_file(fd, None)
+ def __init__(self, filename):
+ if self._initialized:
+ return
+ else:
+ self.filename = filename
+ # Deal with imports
+ parser = VPPAPI(filename=filename)
+ dirlist = dirlist_get()
+ f = filename
+ for dir in dirlist:
+ f = os.path.join(dir, filename)
+ if os.path.exists(f):
+ break
+ if sys.version[0] == '2':
+ with open(f) as fd:
+ self.result = parser.parse_file(fd, None)
+ else:
+ with open(f, encoding='utf-8') as fd:
+ self.result = parser.parse_file(fd, None)
+ self._initialized = True
def __repr__(self):
return self.filename
s['Service'] = []
s['types'] = []
s['Import'] = []
- s['Alias'] = {}
crc = 0
for o in objs:
tname = o.__class__.__name__
s['Service'].append(o2)
elif (isinstance(o, Enum) or
isinstance(o, Typedef) or
+ isinstance(o, Using) or
isinstance(o, Union)):
s['types'].append(o)
- elif isinstance(o, Using):
- s['Alias'][o.name] = o
else:
if tname not in s:
raise ValueError('Unknown class type: {} {}'
continue
if isinstance(o, Import):
result.append(o)
- self.process_imports(o.result, True, result)
+ result = self.process_imports(o.result, True, result)
else:
result.append(o)
+ return result
# Add message ids to each message.
if args.output_module == 'C':
s = parser.process(parsed_objects)
else:
- parser.process_imports(parsed_objects, False, result)
+ result = parser.process_imports(parsed_objects, False, result)
s = parser.process(result)
# Add msg_id field