def eval_func(self, f, args):
if f.p is None:
raise CompileTimeError, 'Not a callable -- %r' % f
if len(f.p) != len(args):
raise CompileTimeError, 'function %r required %d args, but '\
'only %d are given' % (f, len(f.p), len(args))
# func args preparation
to_pushs = []
for i, arg in enumerate(args):
arg = self.eval_(arg)
if not arg.can_cast_to(f.p[i]):
print 'WARNING: casting argument '\
'%r to %r at func %r' % (arg, f.p[i], f)
self.print_block()
to_pushs.append(arg.tacn)
for to_push in reversed(to_pushs): # reversely push those vars
self.emit(tac.push_arg(to_push))
# emit actual call and fetch ret for now
ret_value = obtype.Token(f.vt)
ret_value.tacn = NewVar()
self.emit(tac.call(ret_value.tacn, f.n)) # func call
return ret_value
def eval_macro(self, f, args):
if len(f.p) != len(args): # not an error here.
print 'Warning: macro %r required %d args, but '\
'only %d are given' % (f, len(f.p), len(args))
to_pushs = []
for i, arg in enumerate(args):
arg = self.eval_(arg)
to_pushs.append(arg.tacn)
for to_push in reversed(to_pushs): # reversely push those vars
self.emit(tac.push_arg(to_push))
# emit actual call and fetch ret for now
ret_value = obtype.Token(f.vt)
ret_value.vt = 'omni' # can be casted to anything
ret_value.tacn = NewVar()
self.emit(tac.call(ret_value.tacn, f.n)) # func call
return ret_value
