qemu/scripts/codeconverter/converter.py

123 lines
4.3 KiB
Python
Executable File

#!/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_raw_initializer_value(f)
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)
if p.strip()]
for c in classes:
if c not in match_classes \
or not match_classes[c].regexp:
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)
files.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()