# -----------------------------------------------------------------------------
# BSD 3-Clause License
#
# Copyright (c) 2023, Science and Technology Facilities Council.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# * Redistributions of source code must retain the above copyright notice, this
# list of conditions and the following disclaimer.
#
# * Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
#
# * Neither the name of the copyright holder nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
# COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
# -----------------------------------------------------------------------------
"""
Module containing Fortran2008 Coshape_Spec rule R511.a
"""
from fparser.common.splitline import string_replace_map
from fparser.two.Fortran2008.lower_cobound_r512 import Lower_Cobound
from fparser.two.Fortran2008.upper_cobound_r513 import Upper_Cobound
from fparser.two.utils import SeparatorBase
[docs]
class Coshape_Spec(SeparatorBase): # R511.a
"""
coshape-spec is [ lower-cobound : ] upper-cobound
"""
[docs]
use_names = ["Lower_Cobound", "Upper_Cobound"]
@staticmethod
[docs]
def match(string):
"""
Implements the matching for a coarray shape.
:param str string: the string to match as shape.
:return: `None` if there is no match, otherwise a 2-tuple with \
lower bound if given or `None`, and upper bound.
:rtype: `NoneType` or \
(`None`, :py:class:`fparser.two.Fortran2008.Upper_Cobound`) or \
(:py:class:`fparser.two.Fortran2008.Lower_Cobound`, \
:py:class:`fparser.two.Fortran2008.Upper_Cobound`)
"""
line, repmap = string_replace_map(string)
if ":" not in line:
return (None, Upper_Cobound(string))
lower, upper = line.split(":", 1)
lower = lower.rstrip()
upper = upper.lstrip()
if not upper:
return None
if not lower:
return None
return (Lower_Cobound(repmap(lower)), Upper_Cobound(repmap(upper)))
[docs]
def tostr(self):
"""
Converts the Shape specification to string.
:return: the shape specification as string.
:rtype: str
"""
if self.items[0] is None:
return str(self.items[1])
return SeparatorBase.tostr(self)