Example #1
0
    def ReadWord(self, unused_lex_mode):
        # type: (lex_mode_t) -> word__String
        """Interface for bool_parse.py.

    TODO: This should probably be word_t
    """
        if self.i == self.n:
            # Does it make sense to define Eof_Argv or something?
            # TODO: Add a way to show this location.  Show 1 char past the right-most
            # spid of the last word?  But we only have the left-most spid.
            w = word.String(Id.Eof_Real, '', runtime.NO_SPID)
            return w

        #log('ARGV %s i %d', self.argv, self.i)
        s = self.cmd_val.argv[self.i]
        left_spid = self.cmd_val.arg_spids[self.i]
        self.i += 1

        # default is an operand word
        id_ = match.BracketUnary(s)
        if id_ == Id.Undefined_Tok:
            id_ = match.BracketBinary(s)
        if id_ == Id.Undefined_Tok:
            id_ = match.BracketOther(s)
        if id_ == Id.Undefined_Tok:
            id_ = Id.Word_Compound

        # NOTE: We only have the left spid now.  It might be useful to add the
        # right one.
        w = word.String(id_, s, left_spid)
        return w
Example #2
0
def _TwoArgs(w_parser):
    # type: (_StringWordEmitter) -> bool_expr_t
    """Returns an expression tree to be evaluated."""
    w0 = w_parser.Read()
    w1 = w_parser.Read()

    s0 = w0.s
    if s0 == '!':
        return bool_expr.LogicalNot(bool_expr.WordTest(w1))

    unary_id = Id.Undefined_Tok

    # Oil's preferred long flags
    if w0.s.startswith('--'):
        if s0 == '--dir':
            unary_id = Id.BoolUnary_d
        elif s0 == '--exists':
            unary_id = Id.BoolUnary_e
        elif s0 == '--file':
            unary_id = Id.BoolUnary_f
        elif s0 == '--symlink':
            unary_id = Id.BoolUnary_L

    if unary_id == Id.Undefined_Tok:
        unary_id = match.BracketUnary(w0.s)

    if unary_id == Id.Undefined_Tok:
        p_die('Expected unary operator, got %r (2 args)', w0.s, word=w0)

    return bool_expr.Unary(unary_id, w1)
Example #3
0
def _TwoArgs(w_parser):
    # type: (_StringWordEmitter) -> bool_expr_t
    """Returns an expression tree to be evaluated."""
    w0 = w_parser.Read()
    w1 = w_parser.Read()
    if w0.s == '!':
        return bool_expr.LogicalNot(bool_expr.WordTest(w1))
    unary_id = match.BracketUnary(w0.s)
    if unary_id == -1:
        # TODO:
        # - separate lookup by unary
        p_die('Expected unary operator, got %r (2 args)', w0.s, word=w0)
    return bool_expr.Unary(unary_id, w1)
Example #4
0
def _TwoArgs(w_parser):
    # type: (_StringWordEmitter) -> bool_expr_t
    """Returns an expression tree to be evaluated."""
    w0 = w_parser.Read()
    # TODO: Implement --dir, --file, --exists here
    # --symlink, maybe --executable

    w1 = w_parser.Read()
    if w0.s == '!':
        return bool_expr.LogicalNot(bool_expr.WordTest(w1))
    unary_id = match.BracketUnary(w0.s)
    if unary_id == Id.Undefined_Tok:
        # TODO:
        # - separate lookup by unary
        p_die('Expected unary operator, got %r (2 args)', w0.s, word=w0)
    return bool_expr.Unary(unary_id, w1)