コード例 #1
0
 def __init__(self, parent_reporter, parent_frame, parent_space, anchor, name, bases, evals, tree):
   from pyntch.syntax import build_stmt
   self.anchor = anchor
   self.loc = (tree._module, tree.lineno)
   self.space = Namespace(parent_space, name)
   TreeReporter.__init__(self, parent_reporter)
   ClassType.__init__(self, name, bases)
   if tree.code:
     self.space.register_names(tree.code)
     build_stmt(self, parent_frame, self.space, tree.code, evals, parent_space=parent_space)
   for (name,var) in self.space:
     # Do not consider the values of attributes inherited from the base class
     # if they are explicitly overriden.
     attr = self.ClassAttr(parent_frame, anchor, name, self)
     var.connect(attr.recv)
     self.attrs[name] = attr
   return
コード例 #2
0
    def __init__(self, parent_reporter, parent_frame, parent_space, anchor,
                 name, argnames, defaults, variargs, kwargs, tree):
        TreeReporter.__init__(self, parent_reporter)

        def maprec(func, x):
            if isinstance(x, tuple):
                return tuple(maprec(func, y) for y in x)
            else:
                return func(x)

        self.name = name
        # prepare local variables that hold passed arguments.
        self.space = Namespace(parent_space, name)
        self.frame = ExecutionFrame(None, tree)
        # handle "**kwd".
        self.kwarg = None
        if kwargs:
            self.kwarg = argnames[-1]
            del argnames[-1]
            self.space.register_var(self.kwarg)
        # handle "*args".
        self.variarg = None
        if variargs:
            self.variarg = argnames[-1]
            del argnames[-1]
            self.space.register_var(self.variarg)
        # handle normal args.
        self.argnames = tuple(argnames)
        maprec(lambda argname: self.space.register_var(argname), self.argnames)
        # build the function body.
        self.space.register_names(tree.code)
        self.body = self.FuncBody(name)
        self.body.set_retval(self.build_evals(tree.code))
        self.argvars = maprec(lambda argname: self.space[argname],
                              self.argnames)
        # assign the default values.
        self.defaults = tuple(defaults)
        for (var1, arg1) in zip(self.argvars[-len(defaults):], self.defaults):
            assign_arg(parent_frame, anchor, var1, arg1)
        self.frames = set()
        BuiltinType.__init__(self)
        return
コード例 #3
0
ファイル: function.py プロジェクト: euske/pyntch
 def __init__(self, parent_reporter, parent_frame, parent_space, anchor,
              name, argnames, defaults, variargs, kwargs, tree):
   TreeReporter.__init__(self, parent_reporter)
   def maprec(func, x):
     if isinstance(x, tuple):
       return tuple( maprec(func, y) for y in x )
     else:
       return func(x)
   self.name = name
   # prepare local variables that hold passed arguments.
   self.space = Namespace(parent_space, name)
   self.frame = ExecutionFrame(None, tree)
   # handle "**kwd".
   self.kwarg = None
   if kwargs:
     self.kwarg = argnames[-1]
     del argnames[-1]
     self.space.register_var(self.kwarg)
   # handle "*args".
   self.variarg = None
   if variargs:
     self.variarg = argnames[-1]
     del argnames[-1]
     self.space.register_var(self.variarg)
   # handle normal args.
   self.argnames = tuple(argnames)
   maprec(lambda argname: self.space.register_var(argname), self.argnames)
   # build the function body.
   self.space.register_names(tree.code)
   self.body = self.FuncBody(name)
   self.body.set_retval(self.build_evals(tree.code))
   self.argvars = maprec(lambda argname: self.space[argname], self.argnames)
   # assign the default values.
   self.defaults = tuple(defaults)
   for (var1,arg1) in zip(self.argvars[-len(defaults):], self.defaults):
     assign_arg(parent_frame, anchor, var1, arg1)
   self.frames = set()
   BuiltinType.__init__(self)
   return
コード例 #4
0
class FuncType(BuiltinType, TreeReporter):

    TYPE_NAME = 'function'

    ##  FuncBody
    ##
    class FuncBody(CompoundTypeNode):
        def __init__(self, name):
            self.name = name
            CompoundTypeNode.__init__(self)
            return

        def __repr__(self):
            return '<funcbody %s>' % self.name

        def set_retval(self, evals):
            from pyntch.aggregate_types import GeneratorType
            returns = [obj for (t, obj) in evals if t == 'r']
            yields = [obj for (t, obj) in evals if t == 'y']
            if yields:
                retvals = [GeneratorType.create_generator(yields)]
            else:
                retvals = returns
            for obj in retvals:
                obj.connect(self.recv)
            return

    def __init__(self, parent_reporter, parent_frame, parent_space, anchor,
                 name, argnames, defaults, variargs, kwargs, tree):
        TreeReporter.__init__(self, parent_reporter)

        def maprec(func, x):
            if isinstance(x, tuple):
                return tuple(maprec(func, y) for y in x)
            else:
                return func(x)

        self.name = name
        # prepare local variables that hold passed arguments.
        self.space = Namespace(parent_space, name)
        self.frame = ExecutionFrame(None, tree)
        # handle "**kwd".
        self.kwarg = None
        if kwargs:
            self.kwarg = argnames[-1]
            del argnames[-1]
            self.space.register_var(self.kwarg)
        # handle "*args".
        self.variarg = None
        if variargs:
            self.variarg = argnames[-1]
            del argnames[-1]
            self.space.register_var(self.variarg)
        # handle normal args.
        self.argnames = tuple(argnames)
        maprec(lambda argname: self.space.register_var(argname), self.argnames)
        # build the function body.
        self.space.register_names(tree.code)
        self.body = self.FuncBody(name)
        self.body.set_retval(self.build_evals(tree.code))
        self.argvars = maprec(lambda argname: self.space[argname],
                              self.argnames)
        # assign the default values.
        self.defaults = tuple(defaults)
        for (var1, arg1) in zip(self.argvars[-len(defaults):], self.defaults):
            assign_arg(parent_frame, anchor, var1, arg1)
        self.frames = set()
        BuiltinType.__init__(self)
        return

    def build_evals(self, code):
        from pyntch.syntax import build_stmt
        evals = []
        build_stmt(self, self.frame, self.space, code, evals, isfuncdef=True)
        return evals

    def __repr__(self):
        return ('<function %s>' % self.get_name())

    def descxml(self, done):
        done[self] = len(done)
        return Element('function', name=self.get_name())

    def get_name(self):
        return self.space.get_name()

    def get_type(self):
        return self

    def call(self, frame, anchor, args, kwargs):
        from pyntch.basic_types import StrType
        from pyntch.aggregate_types import DictType, TupleType
        from pyntch.expression import TupleUnpack, TupleSlice
        # Process keyword arguments first.
        varsleft = list(self.argvars)
        varikwargs = []
        for (kwname, kwvalue) in kwargs.iteritems():
            for var1 in varsleft:
                if isinstance(var1, Variable) and var1.name == kwname:
                    var1.bind(kwvalue)
                    # When a keyword argument is given, remove that name from the remaining arguments.
                    varsleft.remove(var1)
                    break
            else:
                if self.kwarg:
                    varikwargs.append(kwvalue)
                else:
                    frame.raise_expt(ErrorConfig.InvalidKeywordArgs(kwname))
        # Process standard arguments.
        variargs = []
        for arg1 in args:
            assert arg1 != None, args
            if varsleft:
                var1 = varsleft.pop(0)
                assign_arg(frame, anchor, var1, arg1)
            elif self.variarg:
                variargs.append(arg1)
            else:
                # Too many arguments.
                frame.raise_expt(
                    ErrorConfig.InvalidNumOfArgs(len(self.argvars), len(args)))
        if len(self.defaults) < len(varsleft):
            # Too few arguments.
            frame.raise_expt(
                ErrorConfig.InvalidNumOfArgs(len(self.argvars), len(args)))
        # Handle remaining arguments: kwargs and variargs.
        if self.variarg and variargs:
            self.space[self.variarg].bind(TupleType.create_tuple(variargs))
        if self.kwarg:
            if varikwargs:
                self.space[self.kwarg].bind(
                    DictType.create_dict(key=StrType.get_object(),
                                         value=varikwargs))
            else:
                self.space[self.kwarg].bind(DictType.create_null(
                    frame, anchor))
        # Remember where this is called from.
        self.frames.add(frame)
        # Propagate the exceptions upward.
        self.frame.connect(frame.recv)
        return self.body

    def showtxt(self, out):
        (module, lineno) = self.frame.getloc()
        out.write('### %s(%s)' % (module.get_name(), lineno))
        for frame in self.frames:
            (module, lineno) = frame.getloc()
            out.write('# called at %s(%s)' % (module.get_name(), lineno))
        names = set()

        def recjoin(sep, seq):
            for x in seq:
                if isinstance(x, tuple):
                    yield '(%s)' % sep.join(recjoin(sep, x))
                else:
                    names.add(x)
                    yield '%s=%s' % (x, self.space[x].desctxt({}))
            return

        r = list(recjoin(', ', self.argnames))
        if self.variarg:
            r.append('*' + self.variarg)
        if self.kwarg:
            r.append('**' + self.kwarg)
        out.write('def %s(%s):' % (self.name, ', '.join(r)))
        out.indent(+1)
        names.update(child.name for child in self.children)
        for (k, v) in sorted(self.space):
            if k not in names:
                out.write_value(k, v)
        out.write_value('return', self.body)
        self.frame.showtxt(out)
        for child in self.children:
            child.showtxt(out)
        out.indent(-1)
        out.write('')
        return

    def showxml(self, out):
        (module, lineno) = self.frame.getloc()
        out.start_xmltag('function',
                         name=self.name,
                         loc='%s:%s' % (module.get_name(), lineno))
        for frame in self.frames:
            (module, lineno) = frame.getloc()
            out.show_xmltag('caller',
                            loc='%s:%s' % (module.get_name(), lineno))
        names = set()

        def recjoin(seq):
            for x in seq:
                if isinstance(x, tuple):
                    recjoin(x)
                else:
                    names.add(x)
                    out.show_xmlvalue('arg', self.space[x], name=x)
            return

        recjoin(self.argnames)
        if self.variarg:
            out.show_xmltag('vararg', name=self.variarg)
        if self.kwarg:
            out.show_xmltag('kwarg', name=self.kwarg)
        names.update(child.name for child in self.children)
        for (k, v) in sorted(self.space):
            if k not in names:
                out.show_xmlvalue('var', v, name=k)
        out.show_xmlvalue('return', self.body)
        self.frame.showxml(out)
        for child in self.children:
            child.showxml(out)
        out.end_xmltag('function')
        return
コード例 #5
0
ファイル: function.py プロジェクト: euske/pyntch
class FuncType(BuiltinType, TreeReporter):

  TYPE_NAME = 'function'
  
  ##  FuncBody
  ##
  class FuncBody(CompoundTypeNode):

    def __init__(self, name):
      self.name = name
      CompoundTypeNode.__init__(self)
      return

    def __repr__(self):
      return '<funcbody %s>' % self.name

    def set_retval(self, evals):
      from pyntch.aggregate_types import GeneratorType
      returns = [ obj for (t,obj) in evals if t == 'r' ]
      yields = [ obj for (t,obj) in evals if t == 'y' ]
      if yields:
        retvals = [ GeneratorType.create_generator(yields) ]
      else:
        retvals = returns
      for obj in retvals:
        obj.connect(self.recv)
      return

  def __init__(self, parent_reporter, parent_frame, parent_space, anchor,
               name, argnames, defaults, variargs, kwargs, tree):
    TreeReporter.__init__(self, parent_reporter)
    def maprec(func, x):
      if isinstance(x, tuple):
        return tuple( maprec(func, y) for y in x )
      else:
        return func(x)
    self.name = name
    # prepare local variables that hold passed arguments.
    self.space = Namespace(parent_space, name)
    self.frame = ExecutionFrame(None, tree)
    # handle "**kwd".
    self.kwarg = None
    if kwargs:
      self.kwarg = argnames[-1]
      del argnames[-1]
      self.space.register_var(self.kwarg)
    # handle "*args".
    self.variarg = None
    if variargs:
      self.variarg = argnames[-1]
      del argnames[-1]
      self.space.register_var(self.variarg)
    # handle normal args.
    self.argnames = tuple(argnames)
    maprec(lambda argname: self.space.register_var(argname), self.argnames)
    # build the function body.
    self.space.register_names(tree.code)
    self.body = self.FuncBody(name)
    self.body.set_retval(self.build_evals(tree.code))
    self.argvars = maprec(lambda argname: self.space[argname], self.argnames)
    # assign the default values.
    self.defaults = tuple(defaults)
    for (var1,arg1) in zip(self.argvars[-len(defaults):], self.defaults):
      assign_arg(parent_frame, anchor, var1, arg1)
    self.frames = set()
    BuiltinType.__init__(self)
    return

  def build_evals(self, code):
    from pyntch.syntax import build_stmt
    evals = []
    build_stmt(self, self.frame, self.space, code, evals, isfuncdef=True)
    return evals

  def __repr__(self):
    return ('<function %s>' % self.get_name())

  def descxml(self, done):
    done[self] = len(done)
    return Element('function', name=self.get_name())
  
  def get_name(self):
    return self.space.get_name()
  
  def get_type(self):
    return self

  def call(self, frame, anchor, args, kwargs):
    from pyntch.basic_types import StrType
    from pyntch.aggregate_types import DictType, TupleType
    from pyntch.expression import TupleUnpack, TupleSlice
    # Process keyword arguments first.
    varsleft = list(self.argvars)
    varikwargs = []
    for (kwname, kwvalue) in kwargs.iteritems():
      for var1 in varsleft:
        if isinstance(var1, Variable) and var1.name == kwname:
          var1.bind(kwvalue)
          # When a keyword argument is given, remove that name from the remaining arguments.
          varsleft.remove(var1)
          break
      else:
        if self.kwarg:
          varikwargs.append(kwvalue)
        else:
          frame.raise_expt(ErrorConfig.InvalidKeywordArgs(kwname))
    # Process standard arguments.
    variargs = []
    for arg1 in args:
      assert arg1 != None, args
      if varsleft:
        var1 = varsleft.pop(0)
        assign_arg(frame, anchor, var1, arg1)
      elif self.variarg:
        variargs.append(arg1)
      else:
        # Too many arguments.
        frame.raise_expt(ErrorConfig.InvalidNumOfArgs(len(self.argvars), len(args)))
    if len(self.defaults) < len(varsleft):
      # Too few arguments.
      frame.raise_expt(ErrorConfig.InvalidNumOfArgs(len(self.argvars), len(args)))
    # Handle remaining arguments: kwargs and variargs.
    if self.variarg and variargs:
      self.space[self.variarg].bind(TupleType.create_tuple(variargs))
    if self.kwarg:
      if varikwargs:
        self.space[self.kwarg].bind(DictType.create_dict(key=StrType.get_object(), value=varikwargs))
      else:
        self.space[self.kwarg].bind(DictType.create_null(frame, anchor))
    # Remember where this is called from.
    self.frames.add(frame)
    # Propagate the exceptions upward.
    self.frame.connect(frame.recv)
    return self.body

  def showtxt(self, out):
    (module,lineno) = self.frame.getloc()
    out.write('### %s(%s)' % (module.get_name(), lineno))
    for frame in self.frames:
      (module,lineno) = frame.getloc()
      out.write('# called at %s(%s)' % (module.get_name(), lineno))
    names = set()
    def recjoin(sep, seq):
      for x in seq:
        if isinstance(x, tuple):
          yield '(%s)' % sep.join(recjoin(sep, x))
        else:
          names.add(x)
          yield '%s=%s' % (x, self.space[x].desctxt({}))
      return
    r = list(recjoin(', ', self.argnames))
    if self.variarg:
      r.append('*'+self.variarg)
    if self.kwarg:
      r.append('**'+self.kwarg)
    out.write('def %s(%s):' % (self.name, ', '.join(r)) )
    out.indent(+1)
    names.update( child.name for child in self.children )
    for (k,v) in sorted(self.space):
      if k not in names:
        out.write_value(k, v)
    out.write_value('return', self.body)
    self.frame.showtxt(out)
    for child in self.children:
      child.showtxt(out)
    out.indent(-1)
    out.write('')
    return

  def showxml(self, out):
    (module,lineno) = self.frame.getloc()
    out.start_xmltag('function', name=self.name,
                     loc='%s:%s' % (module.get_name(), lineno))
    for frame in self.frames:
      (module,lineno) = frame.getloc()
      out.show_xmltag('caller', loc='%s:%s' % (module.get_name(), lineno))
    names = set()
    def recjoin(seq):
      for x in seq:
        if isinstance(x, tuple):
          recjoin(x)
        else:
          names.add(x)
          out.show_xmlvalue('arg', self.space[x], name=x)
      return
    recjoin(self.argnames)
    if self.variarg:
      out.show_xmltag('vararg', name=self.variarg)
    if self.kwarg:
      out.show_xmltag('kwarg', name=self.kwarg)
    names.update( child.name for child in self.children )
    for (k,v) in sorted(self.space):
      if k not in names:
        out.show_xmlvalue('var', v, name=k)
    out.show_xmlvalue('return', self.body)
    self.frame.showxml(out)
    for child in self.children:
      child.showxml(out)
    out.end_xmltag('function')
    return
コード例 #6
0
class PythonClassType(ClassType, TreeReporter):
  
  def __init__(self, parent_reporter, parent_frame, parent_space, anchor, name, bases, evals, tree):
    from pyntch.syntax import build_stmt
    self.anchor = anchor
    self.loc = (tree._module, tree.lineno)
    self.space = Namespace(parent_space, name)
    TreeReporter.__init__(self, parent_reporter)
    ClassType.__init__(self, name, bases)
    if tree.code:
      self.space.register_names(tree.code)
      build_stmt(self, parent_frame, self.space, tree.code, evals, parent_space=parent_space)
    for (name,var) in self.space:
      # Do not consider the values of attributes inherited from the base class
      # if they are explicitly overriden.
      attr = self.ClassAttr(parent_frame, anchor, name, self)
      var.connect(attr.recv)
      self.attrs[name] = attr
    return

  def get_name(self):
    return self.space.get_name()
  
  def showtxt(self, out):
    (module,lineno) = self.loc
    out.write('### %s(%s)' % (module.get_name(), lineno))
    for frame in self.frames:
      (module,lineno) = frame.getloc()
      out.write('# instantiated at %s(%d)' % (module.get_name(), lineno))
    if self.bases:
      out.write('class %s(%s):' % (self.name,
                                   ', '.join( base.typename() for base in self.klasses if base is not self )))
    else:
      out.write('class %s:' % self.name)
    out.indent(+1)
    blocks = set( child.name for child in self.children )
    for (name, attr) in self.attrs.iteritems():
      if name in blocks or not attr.types: continue
      out.write_value('class.'+name, attr)
    for (name, attr) in self.instance.attrs.iteritems():
      if name in blocks or not attr.types: continue
      out.write_value('instance.'+name, attr)
    for child in self.children:
      child.showtxt(out)
    out.indent(-1)
    out.write('')
    return

  def showxml(self, out):
    (module,lineno) = self.loc
    out.start_xmltag('class', name=self.name,
                     loc='%s:%s' % (module.get_name(), lineno))
    for frame in self.frames:
      (module,lineno) = frame.getloc()
      out.show_xmltag('caller',
                      loc='%s:%s' % (module.get_name(), lineno))
    for base in self.klasses:
      if base is self: continue
      out.show_xmltag('base', name=base.typename())
    blocks = set( child.name for child in self.children )
    for (name, attr) in self.attrs.iteritems():
      if name in blocks or not attr.types: continue
      out.show_xmlvalue('classattr', attr, name=name)
    for (name, attr) in self.instance.attrs.iteritems():
      if name in blocks or not attr.types: continue
      out.show_xmlvalue('instanceattr', attr, name=name)
    for child in self.children:
      child.showxml(out)
    out.end_xmltag('class')
    return