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parser_input_files.cc
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Sat, Sep 7, 00:41
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Mon, Sep 9, 00:41 (2 d)
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rAKA akantu
parser_input_files.cc
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/**
* @file parser_input_files.cc
*
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*
* @date creation: Wed Nov 11 2015
* @date last modification: Wed Jan 13 2016
*
* @brief implementation of the parser
*
* @section LICENSE
*
* Copyright (©) 2015 EPFL (Ecole Polytechnique Fédérale de Lausanne) Laboratory
* (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
* Akantu is free software: you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option) any
* later version.
*
* Akantu 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 Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Akantu. If not, see <http://www.gnu.org/licenses/>.
*
*/
/* -------------------------------------------------------------------------- */
#include "parser.hh"
#include "parser_grammar_tmpl.hh"
/* -------------------------------------------------------------------------- */
#include "input_file_parser.hh"
/* -------------------------------------------------------------------------- */
#include <fstream>
/* -------------------------------------------------------------------------- */
__BEGIN_AKANTU__
/* -------------------------------------------------------------------------- */
void
Parser
::
parse
(
const
std
::
string
&
filename
)
{
this
->
clean
();
std
::
ifstream
input
(
filename
.
c_str
());
if
(
!
input
.
good
())
{
AKANTU_EXCEPTION
(
"Could not open file "
<<
filename
<<
"!"
);
}
input
.
unsetf
(
std
::
ios
::
skipws
);
// wrap istream into iterator
spirit
::
istream_iterator
fwd_begin
(
input
);
spirit
::
istream_iterator
fwd_end
;
// wrap forward iterator with position iterator, to record the position
typedef
spirit
::
classic
::
position_iterator2
<
spirit
::
istream_iterator
>
pos_iterator_type
;
pos_iterator_type
position_begin
(
fwd_begin
,
fwd_end
,
filename
);
pos_iterator_type
position_end
;
// parse
parser
::
InputFileGrammar
<
pos_iterator_type
>
ag
(
this
);
bool
result
=
qi
::
phrase_parse
(
position_begin
,
position_end
,
ag
,
ag
.
skipper
);
if
(
!
result
||
position_begin
!=
position_end
)
{
spirit
::
classic
::
file_position
pos
=
position_begin
.
get_position
();
AKANTU_EXCEPTION
(
"Parse error [ "
<<
ag
.
getErrorMessage
()
<<
" ]"
<<
" in file "
<<
filename
<<
" line "
<<
pos
.
line
<<
" column "
<<
pos
.
column
<<
std
::
endl
<<
"'"
<<
position_begin
.
get_currentline
()
<<
"'"
<<
std
::
endl
<<
std
::
setw
(
pos
.
column
)
<<
" "
<<
"^- here"
);
}
try
{
DebugLevel
dbl
=
debug
::
getDebugLevel
();
debug
::
setDebugLevel
(
dblError
);
bool
permissive
=
getParameter
(
"permissive_parser"
,
_ppsc_current_scope
);
debug
::
setDebugLevel
(
dbl
);
permissive_parser
=
permissive
;
AKANTU_DEBUG_INFO
(
"Parser switched permissive mode to "
<<
std
::
boolalpha
<<
permissive_parser
);
}
catch
(
debug
::
Exception
&
e
)
{
}
last_parsed_file
=
filename
;
input
.
close
();
}
__END_AKANTU__
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