def repl():
"""Start the interactive Read-Eval-Print-Loop"""
print
print " " + faded(" ^__^ ")
print " welcome to " + faded(" (oo)\_______ ")
print " the MOO-lisp " + faded(" (__)\ )\/\ ")
print " REPL " + faded(" ||----w | ")
print " " + faded(" || || ")
print faded(" use ^D to exit")
print
env = default_env()
while True:
try:
source = read_expression()
print interpret(source, env)
except LispError, e:
print colored("!", "red"),
print faded(str(e.__class__.__name__) + ":"),
print str(e)
except KeyboardInterrupt:
msg = "Interupted. " + faded("(Use ^D to exit)")
print "\n" + colored("! ", "red") + msg
print
env = default_env()
while True:
try:
source = read_expression()
print interpret(source, env)
except LispError, e:
print colored("!", "red"),
print faded(str(e.__class__.__name__) + ":"),
print str(e)
except KeyboardInterrupt:
msg = "Interupted. " + faded("(Use ^D to exit)")
print "\n" + colored("! ", "red") + msg
except EOFError:
print faded("\nBye! o/")
sys.exit(0)
except Exception, e:
print colored("! ", "red") + faded("The Python is showing through…")
print faded(" " + str(e.__class__.__name__) + ":"),
print str(e)
def read_expression():
"Read from stdin until we have at least one s-expression"
exp = ""
open_parens = 0
while True:
line, parens = read_line("→ " if not exp.strip() else "… ")
open_parens += parens
exp += line
