def eval_and_exec_if_else(self, cmd, args):
# If statements are a special case since we only want to execute the lambdas of the arguments based on the
# predicate. Therefore only the first argument (the predicate) is evaluated at this stage, and the relevant
# result is evaluated within the function itself
args_eval = args.copy() # Avoid modifying the original arguments
args_eval[0] = args_eval[0]()
if self.is_symbol(args_eval[0]):
args_eval[0] = self.get_symbol_value(args_eval[0])
return CommandsInspector.execute_command(self.commands, cmd, args_eval)
def eval_and_exec_general(self, cmd, args):
# First execute all lambda functions for all arguments, reducing them all to either numbers or symbols
# Then resolve all symbols by replacing them with their defined values
args_eval = args.copy() # Avoid modifying the original arguments
for idx, arg in enumerate(args_eval):
args_eval[idx] = arg()
if self.is_symbol(args_eval[idx]):
args_eval[idx] = self.get_symbol_value(args_eval[idx])
return CommandsInspector.execute_command(self.commands, cmd, args_eval)
def eval_and_exec_define(self, cmd, args):
# Define is a special case since it expects the first argument to be an undefined symbol, so we must not
# attempt to fully resolve it
args_eval = args.copy() # Avoid modifying the original arguments
for idx, arg in enumerate(args_eval):
args_eval[idx] = arg()
if self.is_symbol(args_eval[1]):
args_eval[1] = self.get_symbol_value(args_eval[1])
return CommandsInspector.execute_command(self.commands, cmd, args_eval)