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
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)
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)
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)
