def __init__(self, keyword, args):
super().__init__(keyword, "")
then = args.find("THEN")
assert_syntax(then != -1, "No THEN found for IF")
then_clause = args[then + len("THEN"):]
self._additional = then_clause.strip()
lexer = get_lexer()
left_over = args[:then]
self._tokens = lexer.lex(left_over)
super().__init__(keyword, "")
def __init__(self, keyword, args):
super().__init__(keyword, "")
try:
variable, value = args.split("=", 1)
except Exception as e:
raise BasicSyntaxError(F"Error in expression. No '='.")
lexer = get_lexer()
self._tokens = lexer.lex(value)
self._expression = Expression()
self._variable = variable.strip()
def __init__(self, keyword, args):
super().__init__(keyword, "")
try:
variable, value = args.split("=", 1)
except Exception as e:
raise BasicSyntaxError(F"Error in expression. No '='.")
variable = variable.strip()
assert_syntax(
len(variable) == 6 and variable.startswith("FN")
and variable[3] == '(' and variable[5] == ')',
"Function definition error")
self._function_arg = variable[4]
self._variable = variable[:3]
lexer = get_lexer()
self._tokens = lexer.lex(value)
self._value = value.strip()
def eval_expression(symbols, value):
lexer = get_lexer()
tokens = lexer.lex(value)
e = Expression()
result = e.eval(tokens, symbols=symbols)
return result
def setUp(self):
# Just use the lexer for convenience. We culd just create the tokens used for operands manually
self._lexer = get_lexer()
def setUp(self):
self._lexer = get_lexer()