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Diffstat (limited to 'scripts/codeconverter/converter.py')
| -rwxr-xr-x | scripts/codeconverter/converter.py | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/scripts/codeconverter/converter.py b/scripts/codeconverter/converter.py new file mode 100755 index 0000000000..ebaf9b57ce --- /dev/null +++ b/scripts/codeconverter/converter.py @@ -0,0 +1,123 @@ +#!/usr/bin/env python3 +# QEMU library +# +# Copyright (C) 2020 Red Hat Inc. +# +# Authors: +# Eduardo Habkost <ehabkost@redhat.com> +# +# This work is licensed under the terms of the GNU GPL, version 2. See +# the COPYING file in the top-level directory. +# +import sys +import argparse +import os +import os.path +import re +from typing import * + +from codeconverter.patching import FileInfo, match_class_dict, FileList +import codeconverter.qom_macros +from codeconverter.qom_type_info import TI_FIELDS, type_infos, TypeInfoVar + +import logging +logger = logging.getLogger(__name__) +DBG = logger.debug +INFO = logger.info +WARN = logger.warning + +def process_all_files(parser: argparse.ArgumentParser, args: argparse.Namespace) -> None: + DBG("filenames: %r", args.filenames) + + files = FileList() + files.extend(FileInfo(files, fn, args.force) for fn in args.filenames) + for f in files: + DBG('opening %s', f.filename) + f.load() + + if args.table: + fields = ['filename', 'variable_name'] + TI_FIELDS + print('\t'.join(fields)) + for f in files: + for t in f.matches_of_type(TypeInfoVar): + assert isinstance(t, TypeInfoVar) + values = [f.filename, t.name] + \ + [t.get_initializer_value(f).raw + for f in TI_FIELDS] + DBG('values: %r', values) + assert all('\t' not in v for v in values) + values = [v.replace('\n', ' ').replace('"', '') for v in values] + print('\t'.join(values)) + return + + match_classes = match_class_dict() + if not args.patterns: + parser.error("--pattern is required") + + classes = [p for arg in args.patterns + for p in re.split(r'[\s,]', arg)] + for c in classes: + if c not in match_classes: + print("Invalid pattern name: %s" % (c), file=sys.stderr) + print("Valid patterns:", file=sys.stderr) + print(PATTERN_HELP, file=sys.stderr) + sys.exit(1) + + DBG("classes: %r", classes) + for f in files: + DBG("patching contents of %s", f.filename) + f.patch_content(max_passes=args.passes, class_names=classes) + + for f in files: + #alltypes.extend(f.type_infos) + #full_types.extend(f.full_types()) + + if not args.dry_run: + if args.inplace: + f.patch_inplace() + if args.diff: + f.show_diff() + if not args.diff and not args.inplace: + f.write_to_file(sys.stdout) + sys.stdout.flush() + + +PATTERN_HELP = ('\n'.join(" %s: %s" % (n, str(c.__doc__).strip()) + for (n,c) in sorted(match_class_dict().items()) + if c.has_replacement_rule())) + +def main() -> None: + p = argparse.ArgumentParser(formatter_class=argparse.RawDescriptionHelpFormatter) + p.add_argument('filenames', nargs='+') + p.add_argument('--passes', type=int, default=1, + help="Number of passes (0 means unlimited)") + p.add_argument('--pattern', required=True, action='append', + default=[], dest='patterns', + help="Pattern to scan for") + p.add_argument('--inplace', '-i', action='store_true', + help="Patch file in place") + p.add_argument('--dry-run', action='store_true', + help="Don't patch files or print patching results") + p.add_argument('--force', '-f', action='store_true', + help="Perform changes even if not completely safe") + p.add_argument('--diff', action='store_true', + help="Print diff output on stdout") + p.add_argument('--debug', '-d', action='store_true', + help="Enable debugging") + p.add_argument('--verbose', '-v', action='store_true', + help="Verbose logging on stderr") + p.add_argument('--table', action='store_true', + help="Print CSV table of type information") + p.add_argument_group("Valid pattern names", + PATTERN_HELP) + args = p.parse_args() + + loglevel = (logging.DEBUG if args.debug + else logging.INFO if args.verbose + else logging.WARN) + logging.basicConfig(format='%(levelname)s: %(message)s', level=loglevel) + DBG("args: %r", args) + process_all_files(p, args) + +if __name__ == '__main__': + main()
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