def run(self,ctx,**k):
if self.procs is None:
raise SyntaxError("This can only be used as a complex statement")
for proc in self.procs:
res = proc.run(ctx)
if isinstance(res,defer.Deferred):
waitForDeferred(res)
global _sleep
_sleep += 1
if _sleep > 100:
_sleep = 0
gevent.sleep(0) # give other tasks a chance
def loseConnection(self):
try:
lc = super(Outputter,self).loseConnection
except AttributeError:
if self.transport:
self.transport.loseConnection()
else:
lc()
cb = self._drop_callbacks
self._drop_callbacks = {}
for proc,a,k in cb.itervalues():
res = proc(*a,**k)
if isinstance(res,defer.Deferred):
waitForDeferred(res)
def _do_parse(self, t, txt, beg, end, line):
# States: 0 newline, 1 after first word, 2 OK to extend word
# 3+4 need newline+indent after sub-level start, 5 extending word
# log("parser",TRACE,"PARSE",t,repr(txt))
try:
res = self._parseStep(t, txt, beg, end, line)
if isinstance(res, defer.Deferred):
waitForDeferred(res)
except StopIteration:
return
except Exception as ex:
fix_exception(ex)
if self.p_stack:
self.proc = self.p_stack[0]
self.proc.error(self, ex)
self.prompt()
def _parseStep(self, t, txt, beg, end, line):
from token import NUMBER, NAME, DEDENT, INDENT, OP, NEWLINE, ENDMARKER, STRING
from homevent.tokize import COMMENT, NL
self.last_pos = beg
if "logger" in self.ctx:
self.ctx.logger("T", self.p_state, t, repr(txt), beg, end, repr(line))
if t == COMMENT:
return
if self.p_state == 0: # begin of statement
if t == NAME:
self.p_args = [txt]
self.p_state = 1
return
elif t == DEDENT:
self.proc.done()
if self.p_stack:
self.proc = self.p_stack.pop()
return
else:
raise StopIteration
elif t == ENDMARKER:
self.proc.done()
while self.p_stack:
self.proc = self.p_stack.pop()
self.proc.done()
raise StopIteration
elif t in (NL, NEWLINE):
self.prompt()
return
elif t == OP and txt == ".":
return # "I am done"
elif self.p_state in (1, 2): # after first word
if t == NAME:
self.p_args.append(txt)
self.p_state = 2
return
elif t == OP and txt in ("*", "+", "-"):
self.p_args.append(txt)
self.p_state = 1
return
elif t == NUMBER:
self.p_args.append(eval(txt, {}, {}))
self.p_state = 1
return
elif t == STRING:
self.p_args.append(eval(txt, {}, {}))
self.p_state = 1
return
elif t == OP and txt[0] in ("$", "*"):
self.p_args.append(txt)
self.p_state = 1
return
elif t == OP and txt == "." and self.p_state == 2:
self.p_state = 5
return
elif t == OP and txt == ":":
log("parser", TRACE, "RUN2")
log("parser", TRACE, self.proc.complex_statement, self.p_args)
self.p_state = 3
_ = waitForDeferred(self.proc.complex_statement(self.p_args))
self.p_stack.append(self.proc)
self.proc = _
return
elif t == NEWLINE:
log("parser", TRACE, "RUN3")
log("parser", TRACE, self.proc.simple_statement, self.p_args)
# defer setting state to zero when pop_after is set
# because that would break one-line compound statements
# ("wait :for 2").
# On the other hand, setting it later anyway breaks
# statements which terminate the parser ("exit")
if not self.p_pop_after:
self.p_state = 0
waitForDeferred(self.proc.simple_statement(self.p_args))
if self.p_pop_after:
self.proc.done()
self.proc = self.p_stack.pop()
self.p_pop_after = False
self.p_state = 0
self.prompt()
return
elif self.p_state == 3:
if t == NEWLINE:
self.p_state = 4
self.prompt()
return
elif t == NAME:
self.p_args = [txt]
self.p_state = 1
self.p_pop_after = True
return
else:
self.proc = self.p_stack.pop()
elif self.p_state == 4:
if t == INDENT:
self.p_state = 0
return
elif t == NEWLINE:
# ignore
return
else:
self.proc = self.p_stack.pop()
elif self.p_state == 5:
if t == NAME:
self.p_args[-1] += "." + txt
self.p_state = 2
return
if self.p_pop_after:
self.proc = self.p_stack.pop()
self.p_pop_after = False
raise SyntaxError(
"Unknown token %s (%s, state %d) in %s:%d"
% (repr(txt), tok_name[t] if t in tok_name else t, self.p_state, self.ctx.filename, beg[0])
)
def dropConnections(): for c in conns: waitForDeferred(c.loseConnection())
def simple_statement(self,args): fn = self.lookup(args) fn.parent = self.parent res = fn.run(self.ctx) res = waitForDeferred(res) return res
def run(self): res = self.fn.run(self.ctx) return waitForDeferred(res)
