mirror of
https://github.com/bluekitchen/btstack.git
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bindings: extract btstack_parser to parse commands and events
This commit is contained in:
Matthias Ringwald
parent
3ad6e8fa85
commit
0f035029e4
@ -17,7 +17,7 @@
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<target name="generate">
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<mkdir dir="${gen.dir}"/>
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<exec executable="./../tools/generate.py"/>
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<exec executable="./../tools/java_binding.py"/>
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</target>
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<target name="compile" depends="generate">
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119
tools/btstack_parser.py
Executable file
119
tools/btstack_parser.py
Executable file
@ -0,0 +1,119 @@
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#!/usr/bin/env python
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# BlueKitchen GmbH (c) 2014
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import re
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# paths
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hci_cmds_h_path = 'include/btstack/hci_cmds.h'
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hci_cmds_c_path = 'src/hci_cmds.c'
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hci_h_path = 'src/hci.h'
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btstack_root = '..'
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def set_btstack_root(path):
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btstack_root = path
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def cap(x):
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if x.lower() == 'btstack':
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return 'BTstack'
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acronyms = ['GAP', 'GATT', 'HCI', 'L2CAP', 'LE', 'RFCOMM', 'SM', 'SDP', 'UUID16', 'UUID128']
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if x.upper() in acronyms:
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return x.upper()
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return x.capitalize()
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def camel_case(name):
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return ''.join(map(cap, name.split('_')))
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def camel_case_var(name):
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if name in ['uuid128', 'uuid16']:
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return name
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camel = camel_case(name)
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return camel[0].lower() + camel[1:]
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def read_defines(infile):
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defines = dict()
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with open (infile, 'rt') as fin:
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for line in fin:
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parts = re.match('#define\s+(\w+)\s+(\w*)',line)
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if parts and len(parts.groups()) == 2:
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(key, value) = parts.groups()
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defines[key] = value
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return defines
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def parse_defines():
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global btstack_root
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defines = dict()
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defines.update(read_defines(btstack_root + '/' + hci_cmds_h_path))
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defines.update(read_defines(btstack_root + '/' + hci_h_path))
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return defines
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def my_parse_events(path):
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events = []
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le_events = []
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params = []
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event_types = set()
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format = None
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with open (path, 'rt') as fin:
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for line in fin:
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parts = re.match('.*@format\s*(\w*)\s*', line)
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if parts and len(parts.groups()) == 1:
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format = parts.groups()[0]
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parts = re.match('.*@param\s*(\w*)\s*', line)
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if parts and len(parts.groups()) == 1:
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param = parts.groups()[0]
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params.append(param)
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parts = re.match('\s*#define\s+(\w+)\s+(\w*)',line)
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if parts and len(parts.groups()) == 2:
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(key, value) = parts.groups()
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if format != None:
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if key.lower().startswith('hci_subevent_'):
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le_events.append((value, key.lower().replace('hci_subevent_', 'hci_event_'), format, params))
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else:
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events.append((value, key, format, params))
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event_types.add(key)
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params = []
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format = None
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return (events, le_events, event_types)
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def parse_events():
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global btstack_root
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return my_parse_events(btstack_root + '/' + hci_cmds_h_path)
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def my_parse_commands(infile):
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commands = []
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with open (infile, 'rt') as fin:
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params = []
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for line in fin:
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parts = re.match('.*@param\s*(\w*)\s*', line)
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if parts and len(parts.groups()) == 1:
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param = parts.groups()[0]
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params.append(camel_case_var(param))
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continue
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declaration = re.match('const\s+hci_cmd_t\s+(\w+)[\s=]+', line)
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if declaration:
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command_name = camel_case(declaration.groups()[0])
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if command_name.endswith('Cmd'):
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command_name = command_name[:-len('Cmd')]
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continue
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definition = re.match('\s*OPCODE\\(\s*(\w+)\s*,\s+(\w+)\s*\\)\s*,\s\\"(\w*)\\".*', line)
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if definition:
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(ogf, ocf, format) = definition.groups()
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if len(params) != len(format):
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params = []
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arg_counter = 1
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for f in format:
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arg_name = 'arg%u' % arg_counter
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params.append(arg_name)
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arg_counter += 1
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commands.append((command_name, ogf, ocf, format, params))
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params = []
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continue
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return commands
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def parse_commands():
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global btstack_root
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return my_parse_commands(btstack_root + '/' + hci_cmds_c_path)
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@ -1,11 +1,13 @@
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#!/usr/bin/env python
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# BlueKtichen GmbH (c) 2014
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# BlueKitchen GmbH (c) 2014
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import glob
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import re
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import sys
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import os
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import btstack_parser as parser
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print('''
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Java binding generator for BTstack
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Copyright 2014, BlueKitchen GmbH
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@ -130,11 +132,8 @@ java_event_to_string = \
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# global variables/defines
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package='com.bluekitchen.btstack'
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package ='com.bluekitchen.btstack'
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gen_path = 'gen/' + package.replace('.', '/')
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hci_cmds_h_path = '../include/btstack/hci_cmds.h'
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hci_cmds_c_path = '../src/hci_cmds.c'
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hci_h_path = '../src/hci.h'
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defines = dict()
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defines_used = set()
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@ -154,22 +153,6 @@ def cap(x):
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def camel_case(name):
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return ''.join(map(cap, name.split('_')))
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def camel_case_var(name):
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if name in ['uuid128', 'uuid16']:
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return name
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camel = camel_case(name)
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return camel[0].lower() + camel[1:]
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def read_defines(infile):
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global defines
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with open (infile, 'rt') as fin:
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for line in fin:
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parts = re.match('#define\s+(\w+)\s+(\w*)',line)
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if parts and len(parts.groups()) == 2:
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(key, value) = parts.groups()
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defines[key] = value
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def java_type_for_btstack_type(type):
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param_types = { '1' : 'int', '2' : 'int', '3' : 'int', '4' : 'long', 'H' : 'int', 'B' : 'BD_ADDR',
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'D' : 'byte []', 'E' : 'byte [] ', 'N' : 'String' , 'P' : 'byte []', 'A' : 'byte []',
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@ -267,7 +250,7 @@ def java_define_string(key):
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def java_defines_string(keys):
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return '\n'.join( map(java_define_string, sorted(keys)))
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def parse_commands(infile):
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def create_btstack_java(commands):
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global gen_path
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assert_dir(gen_path)
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@ -278,39 +261,11 @@ def parse_commands(infile):
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fout.write(java_btstack_header % package)
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with open (infile, 'rt') as fin:
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params = []
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for line in fin:
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parts = re.match('.*@param\s*(\w*)\s*', line)
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if parts and len(parts.groups()) == 1:
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param = parts.groups()[0]
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params.append(camel_case_var(param))
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continue
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declaration = re.match('const\s+hci_cmd_t\s+(\w+)[\s=]+', line)
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if declaration:
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command_name = camel_case(declaration.groups()[0])
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if command_name.endswith('Cmd'):
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command_name = command_name[:-len('Cmd')]
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continue
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definition = re.match('\s*OPCODE\\(\s*(\w+)\s*,\s+(\w+)\s*\\)\s*,\s\\"(\w*)\\".*', line)
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if definition:
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(ogf, ocf, format) = definition.groups()
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if len(params) != len(format):
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params = []
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arg_counter = 1
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for f in format:
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arg_name = 'arg%u' % arg_counter
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params.append(arg_name)
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arg_counter += 1
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create_command_java(fout, command_name, ogf, ocf, format, params);
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mark_define_as_used(ogf)
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mark_define_as_used(ocf)
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params = []
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continue
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for command in commands:
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(command_name, ogf, ocf, format, params) = command
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create_command_java(fout, command_name, ogf, ocf, format, params);
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mark_define_as_used(ogf)
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mark_define_as_used(ocf)
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fout.write('\n /** defines used */\n\n')
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for key in sorted(defines_used):
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@ -403,49 +358,21 @@ def create_event_factory(events, le_events, defines):
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defines_text = java_defines_string(defines)
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fout.write(java_event_factory_template.format(package, defines_text, cases, subcases))
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def parse_events(path):
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global gen_path
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events = []
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le_events = []
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params = []
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event_types = set()
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format = None
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with open (path, 'rt') as fin:
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for line in fin:
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parts = re.match('.*@format\s*(\w*)\s*', line)
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if parts and len(parts.groups()) == 1:
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format = parts.groups()[0]
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parts = re.match('.*@param\s*(\w*)\s*', line)
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if parts and len(parts.groups()) == 1:
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param = parts.groups()[0]
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params.append(param)
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parts = re.match('\s*#define\s+(\w+)\s+(\w*)',line)
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if parts and len(parts.groups()) == 2:
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(key, value) = parts.groups()
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if format != None:
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if key.lower().startswith('hci_subevent_'):
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le_events.append((value, key.lower().replace('hci_subevent_', 'hci_event_'), format, params))
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else:
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events.append((value, key, format, params))
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event_types.add(key)
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params = []
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format = None
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return (events, le_events, event_types)
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# # read defines from hci_cmds.h and hci.h
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read_defines(hci_cmds_h_path)
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read_defines(hci_h_path)
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# read defines from hci_cmds.h and hci.h
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defines = parser.parse_defines()
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# # parse commands and generate BTstack.java
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parse_commands(hci_cmds_c_path)
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# # parse commands
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commands = parser.parse_commands()
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# parse hci.h to get used events
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(events, le_events, event_types) = parse_events(hci_cmds_h_path)
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(events, le_events, event_types) = parser.parse_events()
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# create events, le meta events, and event factory
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# create events, le meta events, event factory, and
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create_events(events)
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create_events(le_events)
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create_event_factory(events, le_events, event_types)
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create_btstack_java(commands)
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# done
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print('Done!')
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