def eval(string, bindings=None, builtins=None):
if builtins is None:
builtins = jcli_globals
if bindings is None:
bindings = closure(builtins)
else:
bindings = {sym(k): bindings[k] for k in bindings.keys()}
bindings.update(builtins)
asts = jcli_parser.parse(string)
return list(map(lambda ast: eval_ast(ast, bindings), asts))
def function(*args):
c = closure(env)
if len(arg_names) != len(args):
raise TypeError(
'function expected %s arguments, got %s'
%(len(arg_names), len(args)))
for arg_name, arg in zip(arg_names, args):
c[arg_name.value] = arg
out = hack((body.value, c))
return out
from jcli_datatypes import linked_list, sym, quote, closure, car, cdr, cons, null
import jcli_tokenizer
import jcli_parser
import operator
jcli_globals = {
sym('eval'): lambda x: (
eval_ast(x.value, closure(jcli_globals))
if isinstance(x, quote)
else x),
sym('+'): operator.add,
sym('-'): operator.sub,
sym('*'): operator.mul,
# sym('/'): operator.div,
sym('='): operator.eq,
sym('or'): lambda x,y: x or y,
sym('and'): lambda x,y: x and y,
sym('not'): lambda x: not x,
sym('cons'): lambda x,y: cons(x, y.value),
sym('car'): lambda x: car(x.value),
sym('cdr'): lambda x: cdr(x.value),}
def eval(string, bindings=None, builtins=None):
if builtins is None:
builtins = jcli_globals
if bindings is None:
bindings = closure(builtins)
else:
bindings = {sym(k): bindings[k] for k in bindings.keys()}
bindings.update(builtins)
