diff options
Diffstat (limited to 'scripts')
| -rw-r--r-- | scripts/qapi-gen.py | 94 | ||||
| -rw-r--r-- | scripts/qapi/main.py | 95 |
2 files changed, 101 insertions, 88 deletions
diff --git a/scripts/qapi-gen.py b/scripts/qapi-gen.py index cf942d9..f3518d2 100644 --- a/scripts/qapi-gen.py +++ b/scripts/qapi-gen.py @@ -4,98 +4,16 @@ # See the COPYING file in the top-level directory. """ -QAPI Generator +QAPI code generation execution shim. -This is the main entry point for generating C code from the QAPI schema. +This standalone script exists primarily to facilitate the running of the QAPI +code generator without needing to install the python module to the current +execution environment. """ -import argparse -import re import sys -from typing import Optional - -from qapi.commands import gen_commands -from qapi.error import QAPIError -from qapi.events import gen_events -from qapi.introspect import gen_introspect -from qapi.schema import QAPISchema -from qapi.types import gen_types -from qapi.visit import gen_visit - - -def invalid_prefix_char(prefix: str) -> Optional[str]: - match = re.match(r'([A-Za-z_.-][A-Za-z0-9_.-]*)?', prefix) - if match.end() != len(prefix): - return prefix[match.end()] - return None - - -def generate(schema_file: str, - output_dir: str, - prefix: str, - unmask: bool = False, - builtins: bool = False) -> None: - """ - Generate C code for the given schema into the target directory. - - :param schema_file: The primary QAPI schema file. - :param output_dir: The output directory to store generated code. - :param prefix: Optional C-code prefix for symbol names. - :param unmask: Expose non-ABI names through introspection? - :param builtins: Generate code for built-in types? - - :raise QAPIError: On failures. - """ - assert invalid_prefix_char(prefix) is None - - schema = QAPISchema(schema_file) - gen_types(schema, output_dir, prefix, builtins) - gen_visit(schema, output_dir, prefix, builtins) - gen_commands(schema, output_dir, prefix) - gen_events(schema, output_dir, prefix) - gen_introspect(schema, output_dir, prefix, unmask) - - -def main() -> int: - """ - gapi-gen executable entry point. - Expects arguments via sys.argv, see --help for details. - - :return: int, 0 on success, 1 on failure. - """ - parser = argparse.ArgumentParser( - description='Generate code from a QAPI schema') - parser.add_argument('-b', '--builtins', action='store_true', - help="generate code for built-in types") - parser.add_argument('-o', '--output-dir', action='store', - default='', - help="write output to directory OUTPUT_DIR") - parser.add_argument('-p', '--prefix', action='store', - default='', - help="prefix for symbols") - parser.add_argument('-u', '--unmask-non-abi-names', action='store_true', - dest='unmask', - help="expose non-ABI names in introspection") - parser.add_argument('schema', action='store') - args = parser.parse_args() - - funny_char = invalid_prefix_char(args.prefix) - if funny_char: - msg = f"funny character '{funny_char}' in argument of --prefix" - print(f"{sys.argv[0]}: {msg}", file=sys.stderr) - return 1 - - try: - generate(args.schema, - output_dir=args.output_dir, - prefix=args.prefix, - unmask=args.unmask, - builtins=args.builtins) - except QAPIError as err: - print(f"{sys.argv[0]}: {str(err)}", file=sys.stderr) - return 1 - return 0 +from qapi import main if __name__ == '__main__': - sys.exit(main()) + sys.exit(main.main()) diff --git a/scripts/qapi/main.py b/scripts/qapi/main.py new file mode 100644 index 0000000..92a2a31 --- /dev/null +++ b/scripts/qapi/main.py @@ -0,0 +1,95 @@ +# This work is licensed under the terms of the GNU GPL, version 2 or later. +# See the COPYING file in the top-level directory. + +""" +QAPI Generator + +This is the main entry point for generating C code from the QAPI schema. +""" + +import argparse +import re +import sys +from typing import Optional + +from qapi.commands import gen_commands +from qapi.error import QAPIError +from qapi.events import gen_events +from qapi.introspect import gen_introspect +from qapi.schema import QAPISchema +from qapi.types import gen_types +from qapi.visit import gen_visit + + +def invalid_prefix_char(prefix: str) -> Optional[str]: + match = re.match(r'([A-Za-z_.-][A-Za-z0-9_.-]*)?', prefix) + if match.end() != len(prefix): + return prefix[match.end()] + return None + + +def generate(schema_file: str, + output_dir: str, + prefix: str, + unmask: bool = False, + builtins: bool = False) -> None: + """ + Generate C code for the given schema into the target directory. + + :param schema_file: The primary QAPI schema file. + :param output_dir: The output directory to store generated code. + :param prefix: Optional C-code prefix for symbol names. + :param unmask: Expose non-ABI names through introspection? + :param builtins: Generate code for built-in types? + + :raise QAPIError: On failures. + """ + assert invalid_prefix_char(prefix) is None + + schema = QAPISchema(schema_file) + gen_types(schema, output_dir, prefix, builtins) + gen_visit(schema, output_dir, prefix, builtins) + gen_commands(schema, output_dir, prefix) + gen_events(schema, output_dir, prefix) + gen_introspect(schema, output_dir, prefix, unmask) + + +def main() -> int: + """ + gapi-gen executable entry point. + Expects arguments via sys.argv, see --help for details. + + :return: int, 0 on success, 1 on failure. + """ + parser = argparse.ArgumentParser( + description='Generate code from a QAPI schema') + parser.add_argument('-b', '--builtins', action='store_true', + help="generate code for built-in types") + parser.add_argument('-o', '--output-dir', action='store', + default='', + help="write output to directory OUTPUT_DIR") + parser.add_argument('-p', '--prefix', action='store', + default='', + help="prefix for symbols") + parser.add_argument('-u', '--unmask-non-abi-names', action='store_true', + dest='unmask', + help="expose non-ABI names in introspection") + parser.add_argument('schema', action='store') + args = parser.parse_args() + + funny_char = invalid_prefix_char(args.prefix) + if funny_char: + msg = f"funny character '{funny_char}' in argument of --prefix" + print(f"{sys.argv[0]}: {msg}", file=sys.stderr) + return 1 + + try: + generate(args.schema, + output_dir=args.output_dir, + prefix=args.prefix, + unmask=args.unmask, + builtins=args.builtins) + except QAPIError as err: + print(f"{sys.argv[0]}: {str(err)}", file=sys.stderr) + return 1 + return 0 |