예제 #1
0
def test_dict_to_ast():
    code = """
@public
def test() -> int128:
    a: uint256 = 100
    return 123
    """

    original_ast = parse_to_ast(code)
    out_dict = ast_to_dict(original_ast)
    new_ast = dict_to_ast(out_dict)

    assert new_ast == original_ast
예제 #2
0
def test_dict_to_ast():
    code = """
@public
def test() -> int128:
    a: uint256 = 100
    b: int128 = -22
    c: decimal = 3.31337
    d: bytes[11] = b"oh hai mark"
    e: address = 0xdeadbeefdeadbeefdeadbeefdeadbeefdeadbeef
    f: bool = False
    return 123
    """

    original_ast = parse_to_ast(code)
    out_dict = ast_to_dict(original_ast)
    new_ast = dict_to_ast(out_dict)

    assert new_ast == original_ast
예제 #3
0
 def parse_line(code):
     parsed_ast = parse_to_ast(code)[0]
     return parsed_ast
예제 #4
0
파일: parser.py 프로젝트: davesque/vyper
def parse_to_lll(kode, runtime_only=False, interface_codes=None):
    code = parse_to_ast(kode)
    return parse_tree_to_lll(code,
                             kode,
                             runtime_only=runtime_only,
                             interface_codes=interface_codes)
예제 #5
0
def process_arg(index, arg, expected_arg_typelist, function_name, context):
    if isinstance(expected_arg_typelist, Optional):
        expected_arg_typelist = expected_arg_typelist.typ
    if not isinstance(expected_arg_typelist, tuple):
        expected_arg_typelist = (expected_arg_typelist, )

    vsub = None
    for expected_arg in expected_arg_typelist:
        if expected_arg == 'num_literal':
            if context.constants.is_constant_of_base_type(
                    arg, ('uint256', 'int128')):
                return context.constants.get_constant(arg.id, None).value
            if isinstance(arg, ast.Num) and get_original_if_0_prefixed(
                    arg, context) is None:
                return arg.n
        elif expected_arg == 'str_literal':
            if isinstance(arg, ast.Str) and get_original_if_0_prefixed(
                    arg, context) is None:
                bytez = b''
                for c in arg.s:
                    if ord(c) >= 256:
                        raise InvalidLiteralException(
                            f"Cannot insert special character {c} into byte array",
                            arg,
                        )
                    bytez += bytes([ord(c)])
                return bytez
        elif expected_arg == 'bytes_literal':
            if isinstance(arg, ast.Bytes):
                return arg.s
        elif expected_arg == 'name_literal':
            if isinstance(arg, ast.Name):
                return arg.id
            elif isinstance(arg, ast.Subscript) and arg.value.id == 'bytes':
                return f'bytes[{arg.slice.value.n}]'
        elif expected_arg == '*':
            return arg
        elif expected_arg == 'bytes':
            sub = Expr(arg, context).lll_node
            if isinstance(sub.typ, ByteArrayType):
                return sub
        elif expected_arg == 'string':
            sub = Expr(arg, context).lll_node
            if isinstance(sub.typ, StringType):
                return sub
        else:
            # Does not work for unit-endowed types inside compound types, e.g. timestamp[2]
            parsed_expected_type = context.parse_type(
                parse_to_ast(expected_arg)[0].value,
                'memory',
            )
            if isinstance(parsed_expected_type, BaseType):
                vsub = vsub or Expr.parse_value_expr(arg, context)

                is_valid_integer = ((expected_arg in ('int128', 'uint256')
                                     and isinstance(vsub.typ, BaseType))
                                    and (vsub.typ.typ in ('int128', 'uint256')
                                         and vsub.typ.is_literal)
                                    and (SizeLimits.in_bounds(
                                        expected_arg, vsub.value)))

                if is_base_type(vsub.typ, expected_arg):
                    return vsub
                elif is_valid_integer:
                    return vsub
            else:
                vsub = vsub or Expr(arg, context).lll_node
                if vsub.typ == parsed_expected_type:
                    return Expr(arg, context).lll_node
    if len(expected_arg_typelist) == 1:
        raise TypeMismatchException(
            f"Expecting {expected_arg} for argument {index} of {function_name}",
            arg)
    else:
        raise TypeMismatchException(
            f"Expecting one of {expected_arg_typelist} for argument {index} of {function_name}",
            arg)