def eval(self, st):
funcdecnode = st.get_identifier(self.value)
func_arguments = funcdecnode.children[0]
local_variables = funcdecnode.children[1].children[0]
local_functions = funcdecnode.children[1].children[1]
local_statements = funcdecnode.children[1].children[2]
local_st = SymbolTable(st)
func_arguments.eval(local_st)
name_args = [arg.value for arg in func_arguments.children]
value_args = [(arg[0].eval(local_st), arg[1])
for arg in self.children[0]]
new_value_args = []
for arg in value_args:
if isinstance(arg[0], int):
if isinstance(arg[0], bool):
new_value_args.append([arg[0], "BOOLEAN"])
else:
new_value_args.append([arg[0], "INTEGER"])
if not len(func_arguments.children) == len(new_value_args) + 1:
raise ValueError(
f"wrong number of parameters specified for call to {self.value}"
)
i = 0
while i < len(new_value_args):
if local_st.get_identifier(name_args[i],
what=0) != new_value_args[i][1]:
raise ValueError(
f"Incompatible type for arg no. {i+1} in call to {self.value}"
)
local_st.set_identifier(name_args[i], new_value_args[i][0])
i += 1
local_variables.eval(local_st)
local_functions.eval(local_st)
local_statements.eval(local_st)
ret = local_st.get_identifier(self.value)
return ret
