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Generate option parser in C for kitty CLI

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Kovid Goyal
2025-04-27 13:52:56 +05:30
parent 0a288ad56c
commit 27c5b6aac5
7 changed files with 218 additions and 194 deletions
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32
setup.py
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@@ -1058,17 +1058,30 @@ def extract_rst_targets() -> Dict[str, Dict[str, str]]:
return cast(Dict[str, Dict[str, str]], m['main']())
def update_if_changed(path: str, text: str) -> None:
q = ''
with suppress(FileNotFoundError), open(path) as f:
q = f.read()
if q != text:
with open(path, 'w') as f:
f.write(text)
def build_ref_map(skip_generation: bool = False) -> str:
dest = 'kitty/docs_ref_map_generated.h'
if not skip_generation:
d = extract_rst_targets()
h = 'static const char docs_ref_map[] = {\n' + textwrap.fill(', '.join(map(str, bytearray(json.dumps(d, sort_keys=True).encode('utf-8'))))) + '\n};\n'
q = ''
with suppress(FileNotFoundError), open(dest) as f:
q = f.read()
if q != h:
with open(dest, 'w') as f:
f.write(h)
update_if_changed(dest, h)
return dest
def build_cli_parser_specs(skip_generation: bool = False) -> str:
dest = 'kitty/launcher/cli-parser-data_generated.h'
if not skip_generation:
m = runpy.run_path('kitty/simple_cli_definitions.py', {'appname': appname})
h = '\n'.join(m['generate_c_parsers']())
update_if_changed(dest, h)
return dest
@@ -1136,6 +1149,7 @@ def build(args: Options, native_optimizations: bool = True, call_init: bool = Tr
init_env_from_args(args, native_optimizations)
sources, headers = find_c_files()
headers.append(build_ref_map(args.skip_code_generation))
headers.append(build_cli_parser_specs(args.skip_code_generation))
headers.append(build_uniforms_header(args.skip_code_generation))
compile_c_extension(
kitty_env(args), 'kitty/fast_data_types', args.compilation_database, sources, headers,
@@ -1281,11 +1295,6 @@ def read_bool_options(path: str = 'kitty/cli.py') -> Tuple[str, ...]:
return tuple(ans)
@lru_cache(2)
def kitty_cli_boolean_options() -> Tuple[str, ...]:
return tuple(sorted(set(read_bool_options()) | set(read_bool_options('kittens/panel/main.py'))))
def build_launcher(args: Options, launcher_dir: str = '.', bundle_type: str = 'source') -> str:
werror = '' if args.ignore_compiler_warnings else '-pedantic-errors -Werror'
cflags = f'-Wall {werror} -fpie'.split()
@@ -1343,7 +1352,6 @@ def build_launcher(args: Options, launcher_dir: str = '.', bundle_type: str = 's
os.makedirs(launcher_dir, exist_ok=True)
os.makedirs(build_dir, exist_ok=True)
objects = []
cppflags.append('-DKITTY_CLI_BOOL_OPTIONS=" ' + ' '.join(kitty_cli_boolean_options()) + ' "')
cppflags.append('-DKITTY_VERSION="' + '.'.join(map(str, version)) + '"')
for src in ('kitty/launcher/main.c', 'kitty/launcher/single-instance.c', 'kitty/launcher/cmdline.c'):
obj = os.path.join(build_dir, src.replace('/', '-').replace('.c', '.o'))