#!/usr/bin/env python
# Modified work Copyright (c) 2017-2019 Science and Technology
# Facilities Council
# Original work Copyright (c) 1999-2008 Pearu Peterson
#
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#
# Modifications made as part of the fparser project are distributed
# under the following license:
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# modification, are permitted provided that the following conditions are
# met:
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# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
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# --------------------------------------------------------------------
# The original software (in the f2py project) was distributed under
# the following license:
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
# a. Redistributions of source code must retain the above copyright notice,
# this list of conditions and the following disclaimer.
# b. 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.
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# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# 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.
"""Example script to parse a Fortran program using fparser"""
import logging
import sys
from fparser.scripts.script_options import set_fparser_options
logging.basicConfig()
try:
from iocbio.optparse_gui import OptionParser
except ImportError:
from optparse import OptionParser
[docs]
def runner(_, options, args):
"""
Function to read, parse and output Fortran source code.
:param options: object constructed by OptionParser with cmd-line flags.
:param args: list of Fortran files to parse.
:type args: list of str
"""
from fparser.two.parser import ParserFactory
from fparser.two.Fortran2003 import FortranSyntaxError, InternalError
from fparser.common.readfortran import FortranFileReader
if not args:
print("Error: No fortran files specified", file=sys.stderr)
raise SystemExit(1)
for filename in args:
print("File: '{0}'".format(filename), file=sys.stderr)
try:
reader = FortranFileReader(filename, ignore_comments=False)
except IOError as error:
print(error, file=sys.stderr)
continue
try:
fparser = ParserFactory().create(std=options.std)
program = fparser(reader)
if options.task == "show":
print(str(program))
if options.task == "repr":
print(repr(program))
except FortranSyntaxError as msg:
print(f"Syntax error: {msg}", file=sys.stderr)
except InternalError as msg:
print(f"Internal error in fparser: {msg}", file=sys.stderr)
[docs]
def main():
"""Check arguments before parsing code"""
parser = OptionParser()
set_fparser_options(parser)
options, args = parser.parse_args()
runner(parser, options, args)
if __name__ == "__main__":
main() # pragma: no cover