63 lines
2.8 KiB
Python
63 lines
2.8 KiB
Python
import re
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from typing import Dict, Tuple
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FUNCTION_REGEX = r'^def [\w_]*'
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BEGIN_INSERT_REGEX = r'# begin insert '
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END_INSERT_REGEX = r'# end insert'
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def get_spec(file_name: str) -> Tuple[Dict[str, str], Dict[str, str], Dict[str, str], Dict[str, str]]:
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pulling_from = None # line number of start of latest object
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current_name = None # most recent section title
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insert_name = None # stores the label of the current insert object
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functions = {}
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constants = {}
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ssz_objects = {}
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inserts = {}
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function_matcher = re.compile(FUNCTION_REGEX)
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inserts_matcher = re.compile(BEGIN_INSERT_REGEX)
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for linenum, line in enumerate(open(file_name).readlines()):
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line = line.rstrip()
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if pulling_from is None and len(line) > 0 and line[0] == '#' and line[-1] == '`':
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current_name = line[line[:-1].rfind('`') + 1: -1]
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if line[:9] == '```python':
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assert pulling_from is None
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pulling_from = linenum + 1
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elif line[:3] == '```':
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pulling_from = None
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elif inserts_matcher.match(line) is not None:
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insert_name = re.search(r'@[\w]*', line).group(0)
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elif insert_name is not None:
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if re.match(END_INSERT_REGEX, line) is not None:
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insert_name = None
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else:
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inserts[insert_name] = inserts.get(insert_name, '') + line + '\n'
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else:
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# Handle function definitions
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if pulling_from is not None:
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func_match = function_matcher.match(line)
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if func_match is not None:
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current_name = func_match.group(0)
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if function_matcher.match(current_name) is None:
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ssz_objects[current_name] = ssz_objects.get(current_name, '') + line + '\n'
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else:
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functions[current_name] = functions.get(current_name, '') + line + '\n'
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# Handle constant table entries
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elif pulling_from is None and len(line) > 0 and line[0] == '|':
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row = line[1:].split('|')
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if len(row) >= 2:
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for i in range(2):
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row[i] = row[i].strip().strip('`')
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if '`' in row[i]:
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row[i] = row[i][:row[i].find('`')]
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eligible = True
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if row[0][0] not in 'ABCDEFGHIJKLMNOPQRSTUVWXYZ_':
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eligible = False
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for c in row[0]:
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if c not in 'ABCDEFGHIJKLMNOPQRSTUVWXYZ_0123456789':
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eligible = False
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if eligible:
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constants[row[0]] = row[1].replace('**TBD**', '0x1234567890123456789012345678901234567890')
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return functions, constants, ssz_objects, inserts
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