#!/usr/bin/env python3
#   IRPF90 is a Fortran90 preprocessor written in Python for programming using
#   the Implicit Reference to Parameters (IRP) method.
#   Copyright (C) 2009 Anthony SCEMAMA 
#
#   This program is free software; you can redistribute it and/or modify
#   it under the terms of the GNU General Public License as published by
#   the Free Software Foundation; either version 2 of the License, or
#   (at your option) any later version.
#
#   This program is distributed in the hope that it will be useful,
#   but WITHOUT ANY WARRANTY; without even the implied warranty of
#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#   GNU General Public License for more details.
#
#   You should have received a copy of the GNU General Public License along
#   with this program; if not, write to the Free Software Foundation, Inc.,
#   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
#   Anthony Scemama
#   LCPQ - IRSAMC - CNRS
#   Universite Paul Sabatier
#   118, route de Narbonne      
#   31062 Toulouse Cedex 4      
#   scemama@irsamc.ups-tlse.fr


import re

re_comment = re.compile(r"^([^'!]*)('[^']*'[^']*)*!")

re_decl    = re.compile( "".join( [ r"^\ *",
 r"(integer[(::)?\* ,]+",
 r"|double *precision[(::)?\* ,]+",
 r"|logical[(::)?\* ,]+",
 r"|character[(::)?\* ,]+",
 r"|real[(::)?\* ,]+",
 r"|dimension[(::)?\* ,]+",
 r"|parameter[(::)?\* ,]+",
 r"|data */",
 r"|allocatable *(::)?",
 r"|common */",
 r"|namelist */",
 r"|save */",
 r"|complex[(::)?\* ,]+",
 r"|intrinsic *(::)?",
 r"|external *(::)?",
 r"|equivalence *(::)?",
 r"|type",
 r"|end ?type",
 r")[^=(]"
] ) )

re_test  = re.compile(r"\( *(.*)(\.[a-zA-Z]*\.|[<>]=?|[=/]=)([^=]*)\)")

re_string = re.compile(r"'.*?'")