Esempio n. 1
0
def integer(compiler, cont, arg):
  '''integer'''
  text = compiler.new_var(il.ConstLocalVar('text'))
  pos = compiler.new_var(il.ConstLocalVar('pos'))
  p = compiler.new_var(il.LocalVar('p'))
  length = compiler.new_var(il.ConstLocalVar('length'))
  if isinstance(arg, Var):
    arg = arg.interlang()
    x = compiler.new_var(il.ConstLocalVar('x'))
    return il.Begin((
      il.AssignFromList(text, pos, il.parse_state),
      il.Assign(length, il.Len(text)),
      il.If(il.Ge(pos, length), 
        il.failcont(il.FALSE),
          il.If(il.Not(il.Cle(il.String('0'), il.GetItem(text, pos), il.String('9'))),
            il.failcont(il.FALSE),
            il.Begin((
              il.Assign(p, il.add(pos, il.Integer(1))),
              il.while_(il.And(il.Lt(p, length), 
                              il.Cle(il.String('0'),il.GetItem(text, p),il.String('9'))), 
                       il.AddAssign(p, il.Integer(1))),
              il.Assign(x, il.Deref(arg)),
              il.If(il.IsLogicVar(x),
                    il.begin(il.SetParseState(il.Tuple(text, p)),
                                   il.SetBinding(x, il.GetItem(text, il.Slice2(pos, p))),
                                   il.append_failcont(compiler, 
                                      il.SetParseState(il.Tuple(text, pos)),
                                      il.DelBinding(x)),
                                   cont(il.GetItem(text, pos))),
                    il.If(il.Isinstance(x, il.String('str')),
                          il.If(il.Eq(x, il.GetItem(text, il.Slice2(pos, p))),
                                il.begin(il.append_failcont(compiler, 
                                  il.SetParseState(il.Tuple(text, pos))),
                                  il.SetParseState(il.Tuple(text, p)),
                                  cont(il.GetItem(text, pos))),
                                il.failcont(il.NONE)),
                          il.RaiseTypeError(x)))))))))
  elif isinstance(arg, il.String):
    return il.Begin((
      il.AssignFromList(text, pos, il.parse_state),
      il.Assign(length, il.Len(text)),
      il.If(il.Ge(pos, length), 
        il.failcont(il.FALSE),
          il.If(il.Not(il.Cle(il.String('0'), il.GetItem(text, pos), il.String('9'))),
            il.failcont(il.FALSE),
            il.Begin((
              il.Assign(p, il.add(pos, il.Integer(1))),
              il.while_(il.And(il.Lt(p, length), 
                              il.Cle(il.String('0'),il.GetItem(text, p),il.String('9'))), 
                       il.AddAssign(p, il.Integer(1))),
              il.If(il.Eq(arg, il.GetItem(text, il.Slice2(pos, p))),
                    il.begin(il.append_failcont(compiler, 
                      il.SetParseState(il.Tuple(text, pos))),
                      il.SetParseState(il.Tuple(text, p)),
                      cont(arg)),
                    il.failcont(il.NONE))))))))
  else:
    raise CompileTypeError
Esempio n. 2
0
 def quasiquote(self, compiler, cont):
   result = compiler.new_var(il.LocalVar('result'))
   vars = tuple(compiler.new_var(il.ConstLocalVar('a'+repr(i))) for i in range(len(self.args)))
   body = (il.Assign(result, il.empty_list),)+tuple(
     il.If(il.Isinstance(var, il.Klass('UnquoteSplice')),
                 il.AddAssign(result, il.Call(il.Symbol('list'), il.Attr(var, il.Symbol('item')))),
                 il.ListAppend(result, var),
                 ) for var in vars)+(
     cont(il.Call(il.Klass(self.__class__.__name__), il.QuoteItem(self.function), il.MakeTuple(result))),)
   fun = il.begin(*body)
   for var, arg in reversed(zip(vars, self.args)):
     fun = arg.quasiquote(compiler, il.clamda(var, fun))
   return fun
Esempio n. 3
0
def char(compiler, cont, argument):
  text = compiler.new_var(il.ConstLocalVar('text'))
  pos = compiler.new_var(il.ConstLocalVar('pos'))
  if isinstance(argument, String):
    argument = argument.interlang()
    return il.Begin((
      il.AssignFromList(text, pos, il.parse_state),
      il.If(il.Ge(pos, il.Len(text)), 
        il.failcont(il.NONE),
        il.If(il.Eq(argument, il.GetItem(text, pos)),
              il.begin(il.append_failcont(compiler, 
                              il.SetParseState(il.Tuple(text, pos))),
                       il.SetParseState(il.Tuple(text, il.add(pos, il.Integer(1)))),
                       cont(il.GetItem(text, pos))),
              il.failcont(il.NONE)))))
  
  elif isinstance(argument, Var):
    v = compiler.new_var(il.ConstLocalVar('v'))
    argument = argument.interlang()
    argument1 = compiler.new_var(il.ConstLocalVar('argument'))
    return il.Begin((
      il.AssignFromList(text, pos, il.parse_state),
      il.If(il.Ge(pos,il.Len(text)), 
        il.failcont(il.FALSE),
        il.Begin((
          il.Assign(argument1, il.Deref(argument)),
          #il.Prin(text), il.Prin(pos), il.PrintLn(argument1),
          il.If(il.Isinstance(argument1, il.Symbol('str')),
            il.If(il.Eq(argument1, il.GetItem(text, pos)),
                  il.begin(il.append_failcont(compiler, 
                                  il.SetParseState(il.Tuple(text, pos))),
                           il.SetParseState(il.Tuple(text, il.add(pos, il.Integer(1)))),
                           cont(il.GetItem(text, pos))),
                  il.failcont(il.NONE)),
            il.If(il.IsLogicVar(argument1),
                  il.begin(il.SetParseState(il.Tuple(text, il.add(pos, il.Integer(1)))),
                           il.SetBinding(argument1, il.GetItem(text, pos)),
                           il.append_failcont(compiler, 
                              il.SetParseState(il.Tuple(text, pos)),
                              il.DelBinding(argument1)),
                           cont(il.GetItem(text, pos))),
                  il.RaiseTypeError(argument1))))))))
      
  # elif isinstance(argument, il.LogicVar) #how about this? It should be include above.
  else: raise CompileTypeError(argument)
Esempio n. 4
0
def times1(compiler, cont, item, expect_times):
    expect_times = expect_times.interlang()
    i = compiler.new_var(il.Var('i'))
    times_cont = compiler.new_var(il.ConstLocalVar('times_cont'))
    v = compiler.new_var(il.ConstLocalVar('v'))
    return il.begin(
        il.Assert(
            il.And(il.Isinstance(expect_times, il.Int),
                   il.Gt(expect_times, il.Integer(0)))),
        il.Assign(i, il.Integer(0)),
        il.cfunction(
            times_cont, v,
            item.cps(
                compiler,
                il.clamda(
                    v, il.AddAssign(i, il.Integer(1)),
                    il.If(il.Eq(i, expect_times), cont(v),
                          times_cont(il.TRUE)))))(il.TRUE))
Esempio n. 5
0
def times2(compiler, cont, item, expect_times, template, result):
    expect_times = expect_times.interlang()
    template = template.interlang()
    result = result.interlang()
    i = compiler.new_var(il.Var('i'))
    times_cont = compiler.new_var(il.ConstLocalVar('times_cont'))
    v = compiler.new_var(il.ConstLocalVar('v'))
    return il.begin(
        il.Assert(
            il.And(il.Isinstance(expect_times, il.Int),
                   il.Gt(expect_times, il.Integer(0)))),
        il.Assign(result, il.empty_list), il.Assign(i, il.Integer(0)),
        il.cfunction(
            times_cont, v,
            item.cps(
                compiler,
                il.clamda(
                    v, il.AddAssign(i, il.Integer(1)),
                    il.ListAppend(result, il.GetValue(template)),
                    il.If(il.Eq(i, expect_times), cont(v),
                          times_cont(il.TRUE)))))(il.TRUE))
Esempio n. 6
0
def isstr(compiler, cont, item):
    return cont(il.Isinstance(item.interlang(), il.Symbol('str')))
Esempio n. 7
0
def isnumber(compiler, cont, item):
    return cont(
        il.or_(il.Isinstance(item.interlang(), il.Symbol('int')),
               il.Isinstance(item.interlang(), il.Symbol('float'))))
Esempio n. 8
0
def isfloat(compiler, cont, item):
    return cont(il.Isinstance(item.interlang(), il.Symbol('float')))
Esempio n. 9
0
def istuple(compiler, cont, item):
    return cont(il.Isinstance(item.interlang(), il.Symbol('tuple')))