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https://github.com/bluekitchen/btstack.git
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move more helper from java_binding.py to btstack_parser.py
This commit is contained in:
Matthias Ringwald
parent
bfd81087a7
commit
4b238d71c0
142
tool/btstack_parser.py
Executable file
142
tool/btstack_parser.py
Executable file
@ -0,0 +1,142 @@
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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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import os
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# paths
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bluetooth_h_path = 'src/bluetooth.h'
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btstack_defines_h_path = 'src/btstack_defines.h'
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daemon_cmds_c_path = 'platform/daemon/daemon_cmds.c'
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hci_cmds_c_path = 'src/hci_cmd.c'
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hci_cmds_h_path = 'src/hci_cmd.h'
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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 assert_dir(path):
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if not os.access(path, os.R_OK):
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os.makedirs(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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defines.update(read_defines(btstack_root + '/' + bluetooth_h_path))
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defines.update(read_defines(btstack_root + '/' + btstack_defines_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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# parse bluetooth.h to get used events
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(bluetooth_events, bluetooth_le_events, bluetooth_event_types) = my_parse_events(btstack_root + '/' + bluetooth_h_path)
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# parse btstack_defines to get events
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(btstack_events, btstack_le_events, btstack_event_types) = my_parse_events(btstack_root + '/' + btstack_defines_h_path)
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# concat lists
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(events, le_events, event_types) = (bluetooth_events + btstack_events, bluetooth_le_events + btstack_le_events, bluetooth_event_types | btstack_event_types)
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return (events, le_events, event_types)
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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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commands = []
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commands = commands = my_parse_commands(btstack_root + '/' + hci_cmds_c_path)
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commands = commands = my_parse_commands(btstack_root + '/' + daemon_cmds_c_path)
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return commands
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@ -4,7 +4,6 @@
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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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@ -138,21 +137,6 @@ gen_path = 'gen/' + package.replace('.', '/')
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defines = dict()
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defines_used = set()
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def assert_dir(path):
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if not os.access(path, os.R_OK):
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os.makedirs(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 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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@ -251,9 +235,8 @@ def java_defines_string(keys):
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return '\n'.join( map(java_define_string, sorted(keys)))
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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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parser.assert_dir(gen_path)
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outfile = '%s/BTstack.java' % gen_path
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@ -308,7 +291,7 @@ def create_event(event_name, format, args):
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for f, arg in zip(format, args):
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# just remember name
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if f in ['L','J']:
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length_name = camel_case(arg)
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length_name = parser.camel_case(arg)
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if f == 'R':
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# remaining data
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access = java_event_getter_remaining_data.format(offset)
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@ -319,22 +302,22 @@ def create_event(event_name, format, args):
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else:
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access = param_read[f] % offset
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size = size_for_type(f)
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getters += java_event_getter.format(java_type_for_btstack_type(f), camel_case(arg), access)
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getters += java_event_getter.format(java_type_for_btstack_type(f), parser.camel_case(arg), access)
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offset += size
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to_string_args = ''
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for arg in args:
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to_string_args += ' t.append(", %s = ");\n' % arg
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to_string_args += ' t.append(get%s());\n' % camel_case(arg)
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to_string_args += ' t.append(get%s());\n' % parser.camel_case(arg)
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to_string_method = java_event_to_string.format(event_name, to_string_args)
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fout.write(java_event_template.format(package, event_name, getters, to_string_method))
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def create_events(events):
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global gen_path
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gen_path_events = gen_path + '/event'
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assert_dir(gen_path_events)
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parser.assert_dir(gen_path_events)
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for event_type, event_name, format, args in events:
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event_name = camel_case(event_name)
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event_name = parser.camel_case(event_name)
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create_event(event_name, format, args)
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def create_event_factory(events, le_events, defines):
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@ -347,11 +330,11 @@ def create_event_factory(events, le_events, defines):
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cases = ''
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for event_type, event_name, format, args in events:
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event_name = camel_case(event_name)
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event_name = parser.camel_case(event_name)
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cases += java_event_factory_event.format(event_type, event_name)
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subcases = ''
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for event_type, event_name, format, args in le_events:
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event_name = camel_case(event_name)
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event_name = parser.camel_case(event_name)
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subcases += java_event_factory_subevent.format(event_type, event_name)
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with open(outfile, 'wt') as fout:
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