parser.py 文件源码

def get_contracts_and_defs_and_globals(code):
    _contracts = {}
    _events = []
    _globals = {}
    _defs = []
    _getters = []
    for item in code:
        # Contract references
        if isinstance(item, ast.ClassDef):
            if _events or _globals or _defs:
                    raise StructureException("External contract declarations must come before event declarations, global declarations, and function definitions", item)
            _contracts[item.name] = add_contract(item.body)
        # Statements of the form:
        # variable_name: type
        elif isinstance(item, ast.AnnAssign):
            _contracts, _events, _globals, _getters = add_globals_and_events(_contracts, _defs, _events, _getters, _globals, item)
        # Function definitions
        elif isinstance(item, ast.FunctionDef):
            _defs.append(item)
        else:
            raise StructureException("Invalid top-level statement", item)
    return _contracts, _events, _defs + _getters, _globals


# Header code