예제 #1
0
def parse_add_library_object(ctx, tokens, breakstack):
  """
  ::
    add_library(<name> OBJECT <src>...)

    :see: https://cmake.org/cmake/help/latest/command/add_library.html#object-libraries
  """
  tree = TreeNode(NodeType.ARGGROUP)

  # If it is a whitespace token then put it directly in the parse tree at
  # the current depth
  while tokens and tokens[0].type in WHITESPACE_TOKENS:
    tree.children.append(tokens.pop(0))
    continue

  ntokens = len(tokens)
  subtree = PositionalGroupNode.parse(ctx, tokens, 2, ["OBJECT"], breakstack)
  assert len(tokens) < ntokens
  tree.children.append(subtree)

  while tokens:
    # Break if the next token belongs to a parent parser, i.e. if it
    # matches a keyword argument of something higher in the stack, or if
    # it closes a parent group.
    if should_break(tokens[0], breakstack):
      break

    # If it is a whitespace token then put it directly in the parse tree at
    # the current depth
    if tokens[0].type in WHITESPACE_TOKENS:
      tree.children.append(tokens.pop(0))
      continue

    # If it's a comment, then add it at the current depth
    if tokens[0].type in (TokenType.COMMENT,
                          TokenType.BRACKET_COMMENT):
      if not get_tag(tokens[0]) in ("sort", "sortable"):
        child = TreeNode(NodeType.COMMENT)
        tree.children.append(child)
        child.children.append(tokens.pop(0))
        continue

    ntokens = len(tokens)
    subtree = PositionalGroupNode.parse(ctx, tokens, '+', [], breakstack)
    assert len(tokens) < ntokens
    tree.children.append(subtree)
  return tree
예제 #2
0
  def parse(cls, ctx, tokens, npargs, flags, breakstack, sortable=False):
    """
    Parse a continuous sequence of `npargs` positional arguments. If npargs is
    an integer we will consume exactly that many arguments. If it is not an
    integer then it is a string meaning:

    * "?": zero or one
    * "*": zero or more
    * "+": one or more
    """

    tree = cls(sortable=sortable)
    tree.spec = PositionalSpec(npargs, flags)
    nconsumed = 0

    # Strip off any preceeding whitespace (note that in most cases this has
    # already been done but in some cases (such ask kwarg subparser) where
    # it hasn't
    while tokens and tokens[0].type in WHITESPACE_TOKENS:
      tree.children.append(tokens.pop(0))

    # If the first non-whitespace token is a cmake-format tag annotating
    # sortability, then parse it out here and record the annotation
    if tokens and get_tag(tokens[0]) in ("sortable", "sort"):
      tree.sortable = True
    elif tokens and get_tag(tokens[0]) in ("unsortable", "unsort"):
      tree.sortable = False

    while tokens:
      # Break if we have consumed   enough positional arguments
      if pargs_are_full(npargs, nconsumed):
        break

      # Break if the next token belongs to a parent parser, i.e. if it
      # matches a keyword argument of something higher in the stack, or if
      # it closes a parent group.
      if should_break(tokens[0], breakstack):
        # NOTE(josh): if npargs is an exact number of arguments, then we
        # shouldn't break on kwarg match from a parent parser. Instead, we
        # should consume the token. This is a hack to deal with
        # ```install(RUNTIME COMPONENT runtime)``. In this case the second
        # occurance of "runtime" should not match the ``RUNTIME`` keyword
        # and should not break the positional parser.
        # TODO(josh): this is kind of hacky because it will force the positional
        # parser to consume a right parenthesis and will lead to parse errors
        # in the event of a missing positional argument. Such errors will be
        # difficult to debug for the user.
        if not npargs_is_exact(npargs):
          break

        if tokens[0].type == lexer.TokenType.RIGHT_PAREN:
          break

      # If this is the start of a parenthetical group, then parse the group
      # NOTE(josh): syntatically this probably shouldn't be allowed here, but
      # cmake seems to accept it so we probably should too.
      if tokens[0].type == lexer.TokenType.LEFT_PAREN:
        subtree = ParenGroupNode.parse(ctx, tokens, breakstack)
        tree.children.append(subtree)
        continue

      # If it is a whitespace token then put it directly in the parse tree at
      # the current depth
      if tokens[0].type in WHITESPACE_TOKENS:
        tree.children.append(tokens.pop(0))
        continue

      # If it's a comment token not associated with an argument, then put it
      # directly into the parse tree at the current depth
      if tokens[0].type in (lexer.TokenType.COMMENT,
                            lexer.TokenType.BRACKET_COMMENT):
        before = len(tokens)
        child = CommentNode.consume(ctx, tokens)
        assert len(tokens) < before, \
            "consume_comment didn't consume any tokens"
        tree.children.append(child)
        continue

      # Otherwise is it is a positional argument, so add it to the tree as such
      if get_normalized_kwarg(tokens[0]) in flags:
        child = TreeNode(NodeType.FLAG)
      else:
        child = TreeNode(NodeType.ARGUMENT)

      child.children.append(tokens.pop(0))
      CommentNode.consume_trailing(ctx, tokens, child)
      tree.children.append(child)
      nconsumed += 1

    return tree
예제 #3
0
def parse_add_library_standard(ctx, tokens, breakstack, sortable):
    """
  ::

    add_library(<name> [STATIC | SHARED | MODULE]
               [EXCLUDE_FROM_ALL]
               source1 [source2 ...])

  :see: https://cmake.org/cmake/help/v3.0/command/add_library.html
  """
    # pylint: disable=too-many-statements

    parsing_name = 1
    parsing_type = 2
    parsing_flag = 3
    parsing_sources = 4

    tree = TreeNode(NodeType.ARGGROUP)

    # If it is a whitespace token then put it directly in the parse tree at
    # the current depth
    while tokens and tokens[0].type in WHITESPACE_TOKENS:
        tree.children.append(tokens.pop(0))
        continue

    state_ = parsing_name
    parg_group = None
    src_group = None
    active_depth = tree

    flags = ("STATIC", "SHARED", "MODULE", "OBJECT")

    while tokens:
        # This parse function breakson the first right paren, since parenthetical
        # groups are not allowed. A parenthesis might exist in a filename, but
        # if so that filename should be quoted so it wont show up as a RIGHT_PAREN
        # token.
        if tokens[0].type is TokenType.RIGHT_PAREN:
            break

        # If it is a whitespace token then put it directly in the parse tree at
        # the current depth
        if tokens[0].type in WHITESPACE_TOKENS:
            active_depth.children.append(tokens.pop(0))
            continue

        # If it's a comment token not associated with an argument, then put it
        # directly into the parse tree at the current depth
        if tokens[0].type in (TokenType.COMMENT, TokenType.BRACKET_COMMENT):
            if state_ > parsing_name:
                if get_tag(tokens[0]) in ("unsort", "unsortable"):
                    sortable = False
                elif get_tag(tokens[0]) in ("sort", "sortable"):
                    sortable = True
            child = TreeNode(NodeType.COMMENT)
            active_depth.children.append(child)
            child.children.append(tokens.pop(0))
            continue

        if state_ is parsing_name:
            token = tokens.pop(0)
            parg_group = PositionalGroupNode()
            parg_group.spec = PositionalSpec("+")
            active_depth = parg_group
            tree.children.append(parg_group)
            child = TreeNode(NodeType.ARGUMENT)
            child.children.append(token)
            CommentNode.consume_trailing(ctx, tokens, child)
            parg_group.children.append(child)
            state_ += 1
        elif state_ is parsing_type:
            if get_normalized_kwarg(tokens[0]) in flags:
                token = tokens.pop(0)
                child = TreeNode(NodeType.FLAG)
                child.children.append(token)
                CommentNode.consume_trailing(ctx, tokens, child)
                parg_group.children.append(child)
            state_ += 1
        elif state_ is parsing_flag:
            if get_normalized_kwarg(tokens[0]) == "EXCLUDE_FROM_ALL":
                token = tokens.pop(0)
                child = TreeNode(NodeType.FLAG)
                child.children.append(token)
                CommentNode.consume_trailing(ctx, tokens, child)
                parg_group.children.append(child)
            state_ += 1
            src_group = PositionalGroupNode(sortable=sortable,
                                            tags=["file-list"])
            src_group.spec = PositionalSpec("+")
            active_depth = src_group
            tree.children.append(src_group)
        elif state_ is parsing_sources:
            token = tokens.pop(0)
            child = TreeNode(NodeType.ARGUMENT)
            child.children.append(token)
            CommentNode.consume_trailing(ctx, tokens, child)
            src_group.children.append(child)

            if only_comments_and_whitespace_remain(tokens, breakstack):
                active_depth = tree

    return tree
예제 #4
0
def parse_add_executable_standard(ctx, tokens, breakstack, sortable):
  """
  ::

    add_executable(<name> [WIN32] [MACOSX_BUNDLE]
                   [EXCLUDE_FROM_ALL]
                   [source1] [source2 ...])

  :see: https://cmake.org/cmake/help/latest/command/add_executable.html#command:add_executable
  """
  # pylint: disable=too-many-statements

  parsing_name = 1
  parsing_flags = 2
  parsing_sources = 3

  tree = TreeNode(NodeType.ARGGROUP)

  # If it is a whitespace token then put it directly in the parse tree at
  # the current depth
  while tokens and tokens[0].type in WHITESPACE_TOKENS:
    tree.children.append(tokens.pop(0))
    continue

  state_ = parsing_name
  parg_group = None
  src_group = None
  active_depth = tree

  while tokens:
    # This parse function breaks on the first right paren, since parenthetical
    # groups are not allowed. A parenthesis might exist in a filename, but
    # if so that filename should be quoted so it wont show up as a RIGHT_PAREN
    # token.
    if tokens[0].type is lexer.TokenType.RIGHT_PAREN:
      break

    # If it is a whitespace token then put it directly in the parse tree at
    # the current depth
    if tokens[0].type in WHITESPACE_TOKENS:
      active_depth.children.append(tokens.pop(0))
      continue

    # If it's a comment token not associated with an argument, then put it
    # directly into the parse tree at the current depth
    if tokens[0].type in (lexer.TokenType.COMMENT,
                          lexer.TokenType.BRACKET_COMMENT):
      if state_ > parsing_name:
        if get_tag(tokens[0]) in ("unsort", "unsortable"):
          sortable = False
        elif get_tag(tokens[0]) in ("unsort", "unsortable"):
          sortable = True
      child = TreeNode(NodeType.COMMENT)
      active_depth.children.append(child)
      child.children.append(tokens.pop(0))
      continue

    if state_ is parsing_name:
      token = tokens.pop(0)
      parg_group = TreeNode(NodeType.PARGGROUP)
      active_depth = parg_group
      tree.children.append(parg_group)
      child = TreeNode(NodeType.ARGUMENT)
      child.children.append(token)
      CommentNode.consume_trailing(ctx, tokens, child)
      parg_group.children.append(child)
      state_ += 1
    elif state_ is parsing_flags:
      if get_normalized_kwarg(tokens[0]) in (
          "WIN32", "MACOSX_BUNDLE", "EXCLUDE_FROM_ALL"):
        token = tokens.pop(0)
        child = TreeNode(NodeType.FLAG)
        child.children.append(token)
        CommentNode.consume_trailing(ctx, tokens, child)
        parg_group.children.append(child)
      else:
        state_ += 1
        src_group = TreeNode(NodeType.PARGGROUP, sortable=sortable)
        active_depth = src_group
        tree.children.append(src_group)
    elif state_ is parsing_sources:
      token = tokens.pop(0)
      child = TreeNode(NodeType.ARGUMENT)
      child.children.append(token)
      CommentNode.consume_trailing(ctx, tokens, child)
      src_group.children.append(child)

      if only_comments_and_whitespace_remain(tokens, breakstack):
        active_depth = tree

  return tree
예제 #5
0
def parse_set(ctx, tokens, breakstack):
    """
  ::

    set(<variable> <value>
        [[CACHE <type> <docstring> [FORCE]] | PARENT_SCOPE])

  :see: https://cmake.org/cmake/help/v3.0/command/set.html?
  """
    tree = SetFnNode()

    # If it is a whitespace token then put it directly in the parse tree at
    # the current depth
    while tokens and tokens[0].type in WHITESPACE_TOKENS:
        tree.children.append(tokens.pop(0))
        continue

    kwargs = {"CACHE": PositionalParser('2+', flags=["FORCE"])}
    flags = ["PARENT_SCOPE"]
    kwarg_breakstack = breakstack + [KwargBreaker(list(kwargs.keys()) + flags)]
    positional_breakstack = breakstack + [KwargBreaker(list(kwargs.keys()))]

    ntokens = len(tokens)
    subtree = PositionalGroupNode.parse(ctx, tokens, 1, flags,
                                        positional_breakstack)
    assert len(tokens) < ntokens
    tree.children.append(subtree)
    for token in subtree.get_semantic_tokens():
        tree.varname = token
        break

    while tokens:
        # Break if the next token belongs to a parent parser, i.e. if it
        # matches a keyword argument of something higher in the stack, or if
        # it closes a parent group.
        if should_break(tokens[0], breakstack):
            break

        # If it is a whitespace token then put it directly in the parse tree at
        # the current depth
        if tokens[0].type in WHITESPACE_TOKENS:
            tree.children.append(tokens.pop(0))
            continue

        # If it's a comment, then add it at the current depth
        if tokens[0].type in (lexer.TokenType.COMMENT,
                              lexer.TokenType.BRACKET_COMMENT):
            if not get_tag(tokens[0]) in ("sort", "sortable"):
                child = TreeNode(NodeType.COMMENT)
                tree.children.append(child)
                child.children.append(tokens.pop(0))
                continue

        ntokens = len(tokens)

        # NOTE(josh): each flag is also stored in kwargs as with a positional parser
        # of size zero. This is a legacy thing that should be removed, but for now
        # just make sure we check flags first.
        word = get_normalized_kwarg(tokens[0])
        if word == "CACHE":
            subtree = KeywordGroupNode.parse(ctx, tokens, word, kwargs[word],
                                             kwarg_breakstack)
            cache_tokens = subtree.get_semantic_tokens()
            cache_tokens.pop(0)
            cache_args = [None, None, False]
            for idx, token in enumerate(cache_tokens[:2]):
                cache_args[idx] = token.spelling

            if not cache_tokens:
                ctx.lint_ctx.record_lint("E1120",
                                         "<variable>",
                                         location=tokens[0].get_location())
            elif len(cache_tokens) < 2:
                ctx.lint_ctx.record_lint("E1120",
                                         "<value>",
                                         location=tokens[0].get_location())
            elif len(cache_tokens) < 3:
                pass
            elif len(cache_tokens) > 4:
                ctx.lint_ctx.record_lint(
                    "E1121", location=cache_tokens[2].get_location())
            else:
                if cache_tokens[2].spelling.upper() == "FORCE":
                    cache_args[2] = True
                else:
                    ctx.lint_ctx.record_lint(
                        "E1121", location=cache_tokens[2].get_location())
            tree.cache = CacheTuple(*cache_args)

        elif word == "PARENT_SCOPE":
            subtree = PositionalGroupNode.parse(ctx, tokens, '+',
                                                ["PARENT_SCOPE"],
                                                positional_breakstack)
            tree.parent_scope = True
        else:
            subtree = PositionalGroupNode.parse(ctx, tokens, '+', [],
                                                kwarg_breakstack)
            tree.value_group = subtree

        assert len(tokens) < ntokens
        tree.children.append(subtree)
    return tree