298 lines
11 KiB
Python
Executable file
298 lines
11 KiB
Python
Executable file
"""This script generates the XAP protocol generated header to be compiled into QMK.
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"""
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from qmk.casing import to_snake
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from qmk.commands import dump_lines
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from qmk.constants import GPL2_HEADER_C_LIKE, GENERATED_HEADER_C_LIKE
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from qmk.xap.common import merge_xap_defs, route_conditions
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def _get_c_type(xap_type):
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if xap_type == 'bool':
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return 'bool'
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elif xap_type == 'u8':
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return 'uint8_t'
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elif xap_type == 'u16':
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return 'uint16_t'
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elif xap_type == 'u32':
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return 'uint32_t'
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elif xap_type == 'u64':
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return 'uint64_t'
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elif xap_type == 'struct':
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return 'struct'
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elif xap_type == 'string':
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return 'const char *'
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return 'unknown'
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def _get_c_size(xap_type):
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if xap_type == 'u8':
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return 'sizeof(uint8_t)'
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elif xap_type == 'u16':
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return 'sizeof(uint16_t)'
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elif xap_type == 'u32':
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return 'sizeof(uint32_t)'
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elif xap_type == 'u64':
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return 8
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elif xap_type == 'u8[32]':
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return 32
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return 0
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def _get_route_type(container):
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if 'routes' in container:
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return 'XAP_ROUTE'
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elif 'return_execute' in container:
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return 'XAP_EXECUTE'
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elif 'return_value' in container:
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if container['return_type'] == 'u8':
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return 'XAP_VALUE'
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elif 'return_constant' in container:
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if container['return_type'] == 'u8':
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return 'XAP_CONST_MEM'
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elif container['return_type'] == 'u16':
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return 'XAP_CONST_MEM'
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elif container['return_type'] == 'u32':
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return 'XAP_CONST_MEM'
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elif container['return_type'] == 'u64':
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return 'XAP_CONST_MEM'
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elif container['return_type'] == 'struct':
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return 'XAP_CONST_MEM'
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elif container['return_type'] == 'string':
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return 'XAP_CONST_MEM'
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elif 'return_getter' in container:
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if container['return_type'] == 'u32':
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return 'XAP_GETTER'
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return 'UNSUPPORTED'
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def _append_routing_table_declaration(lines, container, container_id, route_stack):
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route_stack.append(container)
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route_name = to_snake('_'.join([r['define'] for r in route_stack]))
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condition = route_conditions(route_stack)
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if condition:
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lines.append(f'#if {condition}')
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if 'routes' in container:
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pass
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elif 'return_execute' in container:
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execute = container['return_execute']
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lines.append(f'bool xap_respond_{execute}(xap_token_t token, const uint8_t *data, size_t data_len);')
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# elif 'return_value' in container:
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# value = container['return_value']
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# return_type = container['return_type']
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# lines.append('')
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# lines.append(f'{_get_c_type(return_type)} {value} = 0;')
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elif 'return_constant' in container:
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if container['return_type'] == 'u8':
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constant = container['return_constant']
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lines.append('')
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lines.append(f'static const uint8_t {route_name}_data PROGMEM = {constant};')
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elif container['return_type'] == 'u16':
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constant = container['return_constant']
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lines.append('')
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lines.append(f'static const uint16_t {route_name}_data PROGMEM = {constant};')
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elif container['return_type'] == 'u32':
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constant = container['return_constant']
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lines.append('')
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lines.append(f'static const uint32_t {route_name}_data PROGMEM = {constant};')
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elif container['return_type'] == 'u64':
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constant = container['return_constant']
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lines.append('')
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lines.append(f'static const uint64_t {route_name}_data PROGMEM = {constant};')
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elif container['return_type'] == 'struct':
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lines.append('')
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lines.append(f'static const {route_name}_t {route_name}_data PROGMEM = {{')
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for constant in container['return_constant']:
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lines.append(f' {constant},')
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lines.append('};')
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elif container['return_type'] == 'string':
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constant = container['return_constant']
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lines.append('')
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lines.append(f'static const char {route_name}_str[] PROGMEM = {constant};')
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elif 'return_getter' in container:
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if container['return_type'] == 'u32':
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lines.append('')
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lines.append(f'extern uint32_t {route_name}_getter(void);')
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elif container['return_type'] == 'struct':
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pass
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if condition:
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lines.append(f'#endif // {condition}')
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lines.append('')
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route_stack.pop()
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def _append_routing_table_entry_flags(lines, container, container_id, route_stack):
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pem_map = {
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None: 'ROUTE_PERMISSIONS_INSECURE',
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'secure': 'ROUTE_PERMISSIONS_SECURE',
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}
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is_secure = pem_map[container.get('permissions', None)]
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lines.append(' .flags = {')
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lines.append(f' .type = {_get_route_type(container)},')
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lines.append(f' .secure = {is_secure},')
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lines.append(' },')
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def _append_routing_table_entry_route(lines, container, container_id, route_stack):
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route_name = to_snake('_'.join([r['define'] for r in route_stack]))
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lines.append(f' .child_routes = {route_name}_table,')
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lines.append(f' .child_routes_len = sizeof({route_name}_table)/sizeof(xap_route_t),')
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def _append_routing_table_entry_execute(lines, container, container_id, route_stack):
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value = container['return_execute']
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lines.append(f' .handler = xap_respond_{value},')
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def _append_routing_table_entry_value(lines, container, container_id, route_stack):
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value = container['return_value']
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lines.append(f' .const_data = &{value},')
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lines.append(f' .const_data_len = sizeof({value}),')
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def _append_routing_table_entry_u32getter(lines, container, container_id, route_stack):
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route_name = to_snake('_'.join([r['define'] for r in route_stack]))
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lines.append(f' .u32getter = &{route_name}_getter,')
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def _append_routing_table_entry_const_data(lines, container, container_id, route_stack):
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route_name = to_snake('_'.join([r['define'] for r in route_stack]))
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lines.append(f' .const_data = &{route_name}_data,')
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lines.append(f' .const_data_len = sizeof({route_name}_data),')
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def _append_routing_table_entry_string(lines, container, container_id, route_stack):
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route_name = to_snake('_'.join([r['define'] for r in route_stack]))
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lines.append(f' .const_data = {route_name}_str,')
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lines.append(f' .const_data_len = sizeof({route_name}_str) - 1,')
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def _append_routing_table_entry(lines, container, container_id, route_stack):
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route_stack.append(container)
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route_name = '_'.join([r['define'] for r in route_stack])
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condition = route_conditions(route_stack)
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if condition:
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lines.append(f'#if {condition}')
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lines.append(f' [{route_name}] = {{')
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_append_routing_table_entry_flags(lines, container, container_id, route_stack)
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if 'routes' in container:
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_append_routing_table_entry_route(lines, container, container_id, route_stack)
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elif 'return_execute' in container:
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_append_routing_table_entry_execute(lines, container, container_id, route_stack)
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elif 'return_value' in container:
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_append_routing_table_entry_value(lines, container, container_id, route_stack)
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elif 'return_constant' in container:
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if container['return_type'] == 'u8':
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_append_routing_table_entry_const_data(lines, container, container_id, route_stack)
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elif container['return_type'] == 'u16':
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_append_routing_table_entry_const_data(lines, container, container_id, route_stack)
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elif container['return_type'] == 'u32':
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_append_routing_table_entry_const_data(lines, container, container_id, route_stack)
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elif container['return_type'] == 'u64':
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_append_routing_table_entry_const_data(lines, container, container_id, route_stack)
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elif container['return_type'] == 'struct':
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_append_routing_table_entry_const_data(lines, container, container_id, route_stack)
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elif container['return_type'] == 'string':
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_append_routing_table_entry_string(lines, container, container_id, route_stack)
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elif 'return_getter' in container:
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if container['return_type'] == 'u32':
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_append_routing_table_entry_u32getter(lines, container, container_id, route_stack)
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lines.append(' },')
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if condition:
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lines.append(f'#endif // {condition}')
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route_stack.pop()
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def _append_routing_tables(lines, container, container_id=None, route_stack=None):
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"""Handles building the list of the XAP routes, combining parent and child names together, as well as the route number.
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"""
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if route_stack is None:
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route_stack = [container]
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else:
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route_stack.append(container)
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route_name = to_snake('_'.join([r['define'] for r in route_stack]))
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condition = route_conditions(route_stack)
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if 'routes' in container:
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for route_id in container['routes']:
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route = container['routes'][route_id]
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_append_routing_tables(lines, route, route_id, route_stack)
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for route_id in container['routes']:
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route = container['routes'][route_id]
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_append_routing_table_declaration(lines, route, route_id, route_stack)
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lines.append('')
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if condition:
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lines.append(f'#if {condition}')
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lines.append(f'static const xap_route_t {route_name}_table[] PROGMEM = {{')
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for route_id in container['routes']:
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route = container['routes'][route_id]
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_append_routing_table_entry(lines, route, route_id, route_stack)
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lines.append('};')
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if condition:
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lines.append(f'#endif // {condition}')
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lines.append('')
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route_stack.pop()
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def _append_broadcast_messages(lines, container):
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"""TODO:
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"""
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broadcast_messages = container.get('broadcast_messages', {})
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broadcast_prefix = broadcast_messages['define_prefix']
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for key, value in broadcast_messages['messages'].items():
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define = value.get('define')
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name = to_snake(f'{broadcast_prefix}_{define}')
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if 'return_type' in value:
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ret_type = _get_c_type(value['return_type'])
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lines.append(f'void {name}({ret_type} value) {{ xap_broadcast({key}, &value, sizeof(value)); }}')
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else:
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lines.append(f'void {name}(const void *data, size_t length){{ xap_broadcast({key}, data, length); }}')
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def generate_inline(output_file, keyboard, keymap):
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"""Generates the XAP protocol header file, generated during normal build.
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"""
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xap_defs = merge_xap_defs(keyboard, keymap)
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# Preamble
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lines = [GPL2_HEADER_C_LIKE, GENERATED_HEADER_C_LIKE, '']
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# Add all the generated code
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_append_broadcast_messages(lines, xap_defs)
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_append_routing_tables(lines, xap_defs)
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dump_lines(output_file, lines)
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