def load(self):
self.waysOfSaying.update({
obj.Number(bound=True, value=1): "1",
obj.Number(bound=True, value=2): "2",
obj.Number(bound=True, value=3): "3",
acts.YN(value=True): "Yes",
acts.YN(value=False): "No"
})
for k, v in self.waysOfSaying.items():
self.waysOfSaying[v] = k
def __request__(self):
if not self['person']['bound'] and not self['num']['bound']:
raise exc.InvalidRequestException()
if not self['num']['bound']:
# I suppose this should be contextual.
# I'll worry about that later.
do = "does"
name = str(self['person'])
have = "have"
return {
"formulation":
"How many brothers {do} {name} {have}?".format(**locals()),
"expectation":
obj.Number,
"meaning":
NumBrothers(person=self['person'], num=obj.Number(bound=False))
}
else:
return {
"formulation": "I have no idea how to ask this... Hmmm...",
"expectation": None,
"meaning": acts.DontKnowHowToAsk()
}
def start_to_end(args, context):
start = args["start"]
end = args["end"]
if not start.is_integer():
return err("$start in `$start to $end` must be an integer")
if not end.is_integer():
return err("$end in `$start to $end` must be an integer")
s_val = int(start.value)
e_val = int(end.value)
if e_val < s_val:
result = obj.Array([obj.Number(e + 1) for e in range(e_val, s_val)])
result.elements.reverse()
return result
elif e_val > s_val:
return obj.Array([obj.Number(e) for e in range(s_val, e_val)])
else:
return start
def eval_number_infix(op, left, right):
l = left.value
r = right.value
if op == "+": return obj.Number(l + r)
if op == "-": return obj.Number(l - r)
if op == "*": return obj.Number(l * r)
if op == "/": return obj.Number(l / r)
if op == "&": return obj.Number(int(l) & int(r))
if op == "|": return obj.Number(int(l) | int(r))
if op == "**": return obj.Number(l**r)
if op == "//": return obj.Number(l // r)
if op == "%": return obj.Number(l % r)
if op == "<": return bool_obj(l < r)
if op == ">": return bool_obj(l > r)
if op == "<=": return bool_obj(l <= r)
if op == ">=": return bool_obj(l >= r)
return err("unknown operator: %s %s %s" % (left.type, op, right.type))
def eval_minus_prefix(right):
if right.type != obj.NUMBER:
return err("unknown operator: -%s" % right.type)
return obj.Number(-right.value)
def evaluate(node, ctx):
t = type(node)
# Constructs
if t == ast.Program: return eval_program(node, ctx)
if t == ast.BlockStatement: return eval_block_stmt(node, ctx)
if t == ast.ExpressionStatement: return evaluate(node.expr, ctx)
if t == ast.IfExpression: return eval_if(node, ctx)
if t == ast.WhileLoop: return eval_while_loop(node, ctx)
if t == ast.ForLoop: return eval_for_loop(node, ctx)
# Literals
if t == ast.Null: return NULL
if t == ast.Number: return obj.Number(node.value)
if t == ast.String: return obj.String(node.value)
if t == ast.Char: return obj.Char(node.value)
if t == ast.Boolean: return bool_obj(node.value)
if t == ast.Identifier: return eval_id(node, ctx)
if t == ast.BlockLiteral: return eval_block(node, ctx)
if t == ast.NextStatement: return NEXT
if t == ast.BreakStatement: return BREAK
# Functions
if t == ast.FunctionDefinition: return eval_function_def(node, ctx)
if t == ast.FunctionCall: return eval_function_call(node, ctx)
if t == ast.Array:
elements = eval_exprs(node.elements, ctx)
if len(elements) == 1 and is_err(elements[0]):
return elements[0]
return obj.Array(elements)
if t == ast.Object:
keys = eval_exprs(node.pairs.keys(), ctx)
if len(keys) == 1 and is_err(keys[0]):
return keys[0]
values = eval_exprs(node.pairs.values(), ctx)
if len(values) == 1 and is_err(values[0]):
return values[0]
return obj.Object(list(zip(keys, values)))
if t == ast.Tuple:
elements = eval_exprs(node.value, ctx)
if len(elements) == 1 and is_err(elements[0]):
return elements[0]
return obj.Tuple(elements)
# More complex nodes
if t == ast.ReturnStatement:
if node.value == None:
return obj.ReturnValue(NULL)
val = evaluate(node.value, ctx)
return val if is_err(val) else obj.ReturnValue(val)
if t == ast.PrefixExpression:
right = evaluate(node.right, ctx)
return right if is_err(right) else eval_prefix(node.operator, right)
if t == ast.InfixExpression:
left = evaluate(node.left, ctx)
if is_err(left): return left
right = evaluate(node.right, ctx)
if is_err(right): return right
return eval_infix(node.operator, left, right, ctx)
if t == ast.AssignExpression:
right = evaluate(node.value, ctx)
return right if is_err(right) else eval_assign(node.name, right, ctx)
if t == ast.DeclareExpression:
right = evaluate(node.value, ctx)
return right if is_err(right) else eval_declare(node.name, right, ctx)
return err("evaluation for %s not yet implemented" % t)
def nth_root_of_num(args, context):
return obj.Number(args["num"].value**(1 / args["root"].value))
def square_root_of_num(args, context):
return obj.Number(math.sqrt(args["num"].value))
def indices_of_arr(args, context):
collection = args["collection"].get_elements()
result = [obj.Number(i) for i in range(len(collection))]
return obj.Array(result)
def askAboutBrother():
you = obj.Person(name="Alec", bound=True)
numbrothers = obj.Number(bound=False)
req = acts.Request(stmt.NumBrothers(person=you, num=numbrothers))
g.initiateAct(req)
def round_n(args, context):
n = args["n"]
return obj.Number(round(n.value))
