-def abi_parse_line(line):
- cols = [col.strip() for col in line.split(',')]
-
- attrs = {
- 'slot': -1,
- 'hidden': False,
- 'alias': None,
- 'handcode': None,
- }
-
- # extract attributes from the first column
- vals = cols[0].split(':')
- while len(vals) > 1:
- val = vals.pop(0)
- if val.startswith('slot='):
- attrs['slot'] = int(val[5:])
- elif val == 'hidden':
- attrs['hidden'] = True
- elif val.startswith('alias='):
- attrs['alias'] = val[6:]
- elif val.startswith('handcode='):
- attrs['handcode'] = val[9:]
- elif not val:
- pass
- else:
- raise Exception('unknown attribute %s' % val)
- cols[0] = vals[0]
-
- return (attrs, cols)
-
-def abi_parse(filename):
- """Parse a CSV file for ABI entries."""
- fp = open(filename) if filename != '-' else sys.stdin
- lines = [line.strip() for line in fp.readlines()
- if not line.startswith('#') and line.strip()]
-
- entry_dict = {}
- next_slot = 0
- for line in lines:
- attrs, cols = abi_parse_line(line)
-
- # post-process attributes
- if attrs['alias']:
- try:
- alias = entry_dict[attrs['alias']]
- except KeyError:
- raise Exception('failed to alias %s' % attrs['alias'])
- if alias.alias:
- raise Exception('recursive alias %s' % ent.name)
- slot = alias.slot
- attrs['alias'] = alias
- else:
- slot = next_slot
- next_slot += 1
-
- if attrs['slot'] < 0:
- attrs['slot'] = slot
- elif attrs['slot'] != slot:
- raise Exception('invalid slot in %s' % (line))
-
- ent = ABIEntry(cols, attrs)
- if ent.name in entry_dict:
- raise Exception('%s is duplicated' % (ent.name))
- entry_dict[ent.name] = ent
-
- entries = sorted(entry_dict.values())
-
- return entries
-