def __init__(self,*,context=None,prompt='> ',
instream=None,outstream=None,
interactive=True):
self.context=context
self.prompt=prompt
self.instream=instream
self.outstream=outstream
if self.instream is None:
if interactive:
def readlines():
while True:
try:
line=input()
except EOFError:
break
yield line+'\n'
self.instream=readlines()
else:
self.instream=sys.stdin
if self.outstream is None:
self.outstream=sys.stdout
if self.context is None:
if interactive:
self.outstream.write('Loading prelude...')
self.outstream.flush()
self.context=Context()
if interactive:
self.outstream.write('done.\n')
class Repl:
def __init__(self,*,context=None,prompt='> ',
instream=None,outstream=None,
interactive=True):
self.context=context
self.prompt=prompt
self.instream=instream
self.outstream=outstream
if self.instream is None:
if interactive:
def readlines():
while True:
try:
line=input()
except EOFError:
break
yield line+'\n'
self.instream=readlines()
else:
self.instream=sys.stdin
if self.outstream is None:
self.outstream=sys.stdout
if self.context is None:
if interactive:
self.outstream.write('Loading prelude...')
self.outstream.flush()
self.context=Context()
if interactive:
self.outstream.write('done.\n')
def load(self,f,*,cache=False):
self.context.load(f,cache=cache)
def run(self):
def exceptionHandler(e):
self.outstream.write('Exception: %s\n%s' % (str(e),self.prompt))
self.outstream.write(self.prompt)
self.outstream.flush()
for val in readEvalGenerator(self.context,
self.instream,
exceptionHandler):
self.outstream.write('%s\n' % adder.common.adderStr(val))
self.outstream.write(self.prompt)
self.outstream.flush()