qemu/scripts/block-coroutine-wrapper.py

8 Usage: block-coroutine-wrapper.py generated-file.c FILE.[ch]...
32     copyright = re.sub('^.*Copyright', 'Copyright', __doc__, flags=re.DOTALL)
33     copyright = re.sub('^(?=.)', ' * ', copyright.strip(), flags=re.MULTILINE)
34     copyright = re.sub('^$', ' *', copyright, flags=re.MULTILINE)
37  * File is generated by scripts/block-coroutine-wrapper.py
44 #include "block/block-gen.h"
46 #include "block/dirty-bitmap.h"
53                           r'(?P<name>[a-z][a-z0-9_]*)'
56     def __init__(self, param_decl: str) -> None:
60         self.decl = m.group('decl')
61         self.type = m.group('type')
62         self.name = m.group('name')
67                  args: str, variant: str) -> None:
95         self.get_result = 's->ret = '
105     def gen_ctx(self, prefix: str = '') -> str:
111             return f'bdrv_get_aio_context({prefix}{name}->bs)'
117     def gen_list(self, format: str) -> str:
120     def gen_block(self, format: str) -> str:
125 func_decl_re = re.compile(r'^(?P<return_type>[a-zA-Z][a-zA-Z0-9_]* [\*]?)'
128                           r'(?P<variant>(_[a-z][a-z0-9_]*)?)\s*'
129                           r'(?P<wrapper_name>[a-z][a-z0-9_]*)'
133 def func_decl_iter(text: str) -> Iterator:
135         yield FuncDecl(wrapper_type=m.group('wrapper_type'),
136                        return_type=m.group('return_type'),
137                        name=m.group('wrapper_name'),
138                        args=m.group('args'),
139                        variant=m.group('variant'))
142 def snake_to_camel(func_name: str) -> str:
144     Convert underscore names like 'some_function_name' to camel-case like
152 def create_mixed_wrapper(func: FuncDecl) -> str:
182 def create_co_wrapper(func: FuncDecl) -> str:
206 def gen_co_wrapper(func: FuncDecl) -> str:
239     {func.get_result}{name}({ func.gen_list('s->{name}') });
241     s->poll_state.in_progress = false;
249 def gen_no_co_wrapper(func: FuncDecl) -> str:
281     {func.get_result}{name}({ func.gen_list('s->{name}') });
284     aio_co_wake(s->co);
302 def gen_wrappers(input_code: str) -> str:
318     with open(sys.argv[1], 'w', encoding='utf-8') as f_out:
321             with open(fname, encoding='utf-8') as f_in: