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#
# Copyright 2013 Free Software Foundation, Inc.
#
# This file is part of GNU Radio
#
# GNU Radio 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 3, or (at your option)
# any later version.
#
# GNU Radio 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 GNU Radio; see the file COPYING. If not, write to
# the Free Software Foundation, Inc., 51 Franklin Street,
# Boston, MA 02110-1301, USA.
#
""" Automatically create XML bindings for GRC from block code """
import sys
import os
import re
import glob
from optparse import OptionGroup
from modtool_base import ModTool
from parser_cc_block import ParserCCBlock
from grc_xml_generator import GRCXMLGenerator
from cmakefile_editor import CMakeFileEditor
class ModToolMakeXML(ModTool):
""" Make XML file for GRC block bindings """
name = 'makexml'
aliases = ('mx',)
def __init__(self):
ModTool.__init__(self)
def setup_parser(self):
" Initialise the option parser for 'gr_modtool.py makexml' "
parser = ModTool.setup_parser(self)
parser.usage = '%prog makexml [options]. \n Call %prog without any options to run it interactively.'
ogroup = OptionGroup(parser, "Make XML module options")
ogroup.add_option("-p", "--pattern", type="string", default=None,
help="Filter possible choices for blocks to be parsed.")
ogroup.add_option("-y", "--yes", action="store_true", default=False,
help="Answer all questions with 'yes'. This can overwrite existing files!")
parser.add_option_group(ogroup)
return parser
def setup(self):
ModTool.setup(self)
options = self.options
if options.pattern is not None:
self._info['pattern'] = options.pattern
elif options.block_name is not None:
self._info['pattern'] = options.block_name
elif len(self.args) >= 2:
self._info['pattern'] = self.args[1]
else:
self._info['pattern'] = raw_input('Which blocks do you want to parse? (Regex): ')
if len(self._info['pattern']) == 0:
self._info['pattern'] = '.'
self._info['yes'] = options.yes
def run(self):
""" Go, go, go! """
print "Warning: This is an experimental feature. Don't expect any magic."
# 1) Go through lib/
if not self._skip_subdirs['lib']:
if self._info['version'] == '37':
files = self._search_files('lib', '*_impl.cc')
else:
files = self._search_files('lib', '*.cc')
for f in files:
if os.path.basename(f)[0:2] == 'qa':
continue
(params, iosig, blockname) = self._parse_cc_h(f)
self._make_grc_xml_from_block_data(params, iosig, blockname)
# 2) Go through python/
def _search_files(self, path, path_glob):
""" Search for files matching pattern in the given path. """
files = glob.glob("%s/%s"% (path, path_glob))
files_filt = []
print "Searching for matching files in %s/:" % path
for f in files:
if re.search(self._info['pattern'], os.path.basename(f)) is not None:
files_filt.append(f)
if len(files_filt) == 0:
print "None found."
return files_filt
def _make_grc_xml_from_block_data(self, params, iosig, blockname):
""" Take the return values from the parser and call the XML
generator. Also, check the makefile if the .xml file is in there.
If necessary, add. """
fname_xml = '%s_%s.xml' % (self._info['modname'], blockname)
# Some adaptions for the GRC
for inout in ('in', 'out'):
if iosig[inout]['max_ports'] == '-1':
iosig[inout]['max_ports'] = '$num_%sputs' % inout
params.append({'key': 'num_%sputs' % inout,
'type': 'int',
'name': 'Num %sputs' % inout,
'default': '2',
'in_constructor': False})
if os.path.isfile(os.path.join('grc', fname_xml)):
# TODO add an option to keep
print "Warning: Overwriting existing GRC file."
grc_generator = GRCXMLGenerator(
modname=self._info['modname'],
blockname=blockname,
params=params,
iosig=iosig
)
grc_generator.save(os.path.join('grc', fname_xml))
if not self._skip_subdirs['grc']:
ed = CMakeFileEditor(self._file['cmgrc'])
if re.search(fname_xml, ed.cfile) is None and not ed.check_for_glob('*.xml'):
print "Adding GRC bindings to grc/CMakeLists.txt..."
ed.append_value('install', fname_xml, to_ignore_end='DESTINATION[^()]+')
ed.write()
def _parse_cc_h(self, fname_cc):
""" Go through a .cc and .h-file defining a block and return info """
def _type_translate(p_type, default_v=None):
""" Translates a type from C++ to GRC """
translate_dict = {'float': 'float',
'double': 'real',
'int': 'int',
'gr_complex': 'complex',
'char': 'byte',
'unsigned char': 'byte',
'std::string': 'string',
'std::vector<int>': 'int_vector',
'std::vector<float>': 'real_vector',
'std::vector<gr_complex>': 'complex_vector',
}
if p_type in ('int',) and default_v[:2].lower() == '0x':
return 'hex'
try:
return translate_dict[p_type]
except KeyError:
return 'raw'
def _get_blockdata(fname_cc):
""" Return the block name and the header file name from the .cc file name """
blockname = os.path.splitext(os.path.basename(fname_cc.replace('_impl.', '.')))[0]
fname_h = (blockname + '.h').replace('_impl.', '.')
blockname = blockname.replace(self._info['modname']+'_', '', 1)
return (blockname, fname_h)
# Go, go, go
print "Making GRC bindings for %s..." % fname_cc
(blockname, fname_h) = _get_blockdata(fname_cc)
try:
parser = ParserCCBlock(fname_cc,
os.path.join(self._info['includedir'], fname_h),
blockname,
self._info['version'],
_type_translate
)
except IOError:
print "Can't open some of the files necessary to parse %s." % fname_cc
sys.exit(1)
return (parser.read_params(), parser.read_io_signature(), blockname)
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