183 lines
6.9 KiB
Python
183 lines
6.9 KiB
Python
##
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## This file is part of the libsigrok project.
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##
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## Copyright (C) 2014 Martin Ling <martin-sigrok@earth.li>
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##
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## This program is free software: you can redistribute it and/or modify
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## it under the terms of the GNU General Public License as published by
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## the Free Software Foundation, either version 3 of the License, or
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## (at your option) any later version.
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##
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## This program is distributed in the hope that it will be useful,
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## but WITHOUT ANY WARRANTY; without even the implied warranty of
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## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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## GNU General Public License for more details.
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##
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## You should have received a copy of the GNU General Public License
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## along with this program. If not, see <http://www.gnu.org/licenses/>.
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##
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from __future__ import print_function
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from xml.etree import ElementTree
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from collections import OrderedDict
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import sys, os, re
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index_file = sys.argv[1]
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# Get directory this script is in.
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dirname = os.path.dirname(os.path.realpath(__file__))
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outdirname = "bindings"
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if not os.path.exists(os.path.join(outdirname, 'cxx/include/libsigrokcxx')):
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os.makedirs(os.path.join(outdirname, 'cxx/include/libsigrokcxx'))
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if not os.path.exists(os.path.join(outdirname, 'swig')):
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os.makedirs(os.path.join(outdirname, 'swig'))
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mapping = dict([
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('sr_loglevel', ('LogLevel', 'Log verbosity level')),
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('sr_packettype', ('PacketType', 'Type of datafeed packet')),
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('sr_mq', ('Quantity', 'Measured quantity')),
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('sr_unit', ('Unit', 'Unit of measurement')),
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('sr_mqflag', ('QuantityFlag', 'Flag applied to measured quantity')),
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('sr_configkey', ('ConfigKey', 'Configuration key')),
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('sr_datatype', ('DataType', 'Configuration data type')),
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('sr_channeltype', ('ChannelType', 'Channel type')),
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('sr_trigger_matches', ('TriggerMatchType', 'Trigger match type')),
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('sr_output_flag', ('OutputFlag', 'Flag applied to output modules'))])
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index = ElementTree.parse(index_file)
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# Build mapping between class names and enumerations.
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classes = OrderedDict()
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for compound in index.findall('compound'):
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if compound.attrib['kind'] != 'file':
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continue
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filename = os.path.join(
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os.path.dirname(index_file),
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'%s.xml' % compound.attrib['refid'])
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doc = ElementTree.parse(filename)
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for section in doc.find('compounddef').findall('sectiondef'):
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if section.attrib["kind"] != 'enum':
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continue
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for member in section.findall('memberdef'):
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if member.attrib["kind"] != 'enum':
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continue
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name = member.find('name').text
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if name in mapping:
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classes[member] = mapping[name]
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header = open(os.path.join(outdirname, 'cxx/include/libsigrokcxx/enums.hpp'), 'w')
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code = open(os.path.join(outdirname, 'cxx/enums.cpp'), 'w')
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swig = open(os.path.join(outdirname, 'swig/enums.i'), 'w')
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for file in (header, code):
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print("/* Generated file - edit enums.py instead! */", file=file)
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print("namespace sigrok {", file=header)
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# Template for beginning of class declaration and public members.
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header_public_template = """
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/** {brief} */
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class SR_API {classname} : public EnumValue<{classname}, enum {enumname}>
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{{
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public:
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"""
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# Template for beginning of private members.
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header_private_template = """
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protected:
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{classname}(enum {enumname} id, const char name[]) : EnumValue(id, name) {{}}
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"""
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def get_text(node):
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return str.join('\n\n',
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[p.text.rstrip() for p in node.findall('para')])
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for enum, (classname, classbrief) in classes.items():
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enum_name = enum.find('name').text
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members = enum.findall('enumvalue')
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member_names = [m.find('name').text for m in members]
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trimmed_names = [re.sub("^SR_[A-Z]+_", "", n) for n in member_names]
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briefs = [get_text(m.find('briefdescription')) for m in members]
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# Begin class and public declarations
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print(header_public_template.format(
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brief=classbrief, classname=classname, enumname=enum_name), file=header)
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# Declare public pointers for each enum value
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for trimmed_name, brief in zip(trimmed_names, briefs):
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if brief:
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print('\t/** %s */' % brief, file=header)
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print('\tstatic const %s * const %s;' % (
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classname, trimmed_name), file=header)
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# Declare additional methods if present
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filename = os.path.join(dirname, "%s_methods.hpp" % classname)
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if os.path.exists(filename):
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print(str.join('', open(filename).readlines()), file=header)
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# Begin private declarations
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print(header_private_template.format(
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classname=classname, enumname=enum_name), file=header)
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# Declare private constants for each enum value
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for trimmed_name in trimmed_names:
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print('\tstatic const %s _%s;' % (classname, trimmed_name), file=header)
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# End class declaration
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print('};', file=header)
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# Define private constants for each enum value
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for name, trimmed_name in zip(member_names, trimmed_names):
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print('const %s %s::_%s = %s(%s, "%s");' % (
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classname, classname, trimmed_name, classname, name, trimmed_name),
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file=code)
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print('%%typemap(javacode) sigrok::%s %%{' % classname, file=swig)
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# Define public pointers for each enum value
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for trimmed_name in trimmed_names:
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print('const %s * const %s::%s = &%s::_%s;' % (
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classname, classname, trimmed_name, classname, trimmed_name),
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file=code)
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print('public static final %s %s = new %s(classesJNI.%s_%s_get(), false);' % (
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classname, trimmed_name, classname, classname, trimmed_name),
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file=swig)
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print ('%}', file=swig)
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# Define map of enum values to constants
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print('template<> const SR_API std::map<const enum %s, const %s * const> EnumValue<%s, enum %s>::_values = {' % (
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enum_name, classname, classname, enum_name), file=code)
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for name, trimmed_name in zip(member_names, trimmed_names):
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print('\t{%s, %s::%s},' % (name, classname, trimmed_name), file=code)
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print('};', file=code)
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# Define additional methods if present
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filename = os.path.join(dirname, "%s_methods.cpp" % classname)
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if os.path.exists(filename):
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print(str.join('', open(filename).readlines()), file=code)
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# Map EnumValue::id() and EnumValue::name() as SWIG attributes.
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print('%%attribute(sigrok::%s, int, id, id);' % classname, file=swig)
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print('%%attributestring(sigrok::%s, std::string, name, name);' % classname,
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file=swig)
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# Instantiate EnumValue template for SWIG
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print('%%template(EnumValue%s) sigrok::EnumValue<sigrok::%s, enum %s>;' % (
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classname, classname, enum_name), file=swig)
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# Apply any language-specific extras.
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print('%%enumextras(%s);' % classname, file=swig)
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# Declare additional attributes if present
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filename = os.path.join(dirname, "%s_methods.i" % classname)
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if os.path.exists(filename):
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print(str.join('', open(filename).readlines()), file=swig)
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print("}", file=header)
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