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# Copyright (c) 2017 Commissariat à l'énergie atomique et aux énergies alternatives (CEA)

# Copyright (c) 2017 Centre national de la recherche scientifique (CNRS)

# Copyright (c) 2019-2020 Simons Foundation

#

# Licensed under the Apache License, Version 2.0 (the "License");

# you may not use this file except in compliance with the License.

# You may obtain a copy of the License at

#

# http:#www.apache.org/licenses/LICENSE-2.0.txt

#

# Unless required by applicable law or agreed to in writing, software

# distributed under the License is distributed on an "AS IS" BASIS,

# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

# See the License for the specific language governing permissions and

# limitations under the License.

#

# Authors: Olivier Parcollet, Nils Wentzell

# This module contains a few utilities

import re, os

import cpp2py.clang_parser as CL

#from mako.template import Template

# Must be here

def script_path() :

return os.path.dirname(os.path.abspath( __file__ ))

def clean_end_and_while_char(s):

return re.sub(re.compile(r"[ \t\r\f\v]+$",re.MULTILINE),'', s.strip())# clean end and white char

def get_decl_param_class(f):

""" Given a node f of a function, returns the node of declaration of the param class or None"""

if 'use_parameter_class' not in CL.get_annotations(f) :

return None

p = list(CL.get_params(f))

assert len(p) == 1, "A function/method with PARAM technique must have exacly one parameter"

return CL.jump_to_declaration(p[0].type)

def use_parameter_class(m):

return 'use_parameter_class' in CL.get_annotations(m)

def decay(s) :

for tok in ['const ', 'const&', '&&', '&'] :

s = re.sub(tok,'',s)

s = s.replace('const_view', 'view') # DISCUSS THIS

return s.strip()

def deduce_normalized_python_class_name(s) :

return ''.join([x.capitalize() for x in s.split('_')])