def fnCall(self, name, args):
"""Calls a function given its name and arguments."""
if name in self.function_table:
return self.function_table[name](*args)
# user defined function: insert code to execute in tokens
fn = self.user_function_table[name]
for x in fn[1]:
if x[1] == TokenType.Var:
index = find(x[0], fn[0])
if index == None:
# TODO: ERROR
pass
self._tokens.insert(0, self.getArgTuple(args[index]))
else:
self._tokens.insert(0, x)
return self.interpretStatement()
def interpret(self, tokens):
""" Interprets a (multi-line) program. """
self.loadUserFunctions()
last, end_token = 0, (";", TokenType.End)
find_end = lambda: find(end_token, tokens[last:]) + last + 1
output = []
amount = tokens.count(end_token)
for i in range(amount):
new = find_end()
try:
self._tokens = tokens[last:new]
output.append(self.interpretStatement())
except:
output.append("Oops, seems like something went wrong.")
raise
last, new = new, find_end()
self.saveUserFunctions()
return output
