154 lines
4.2 KiB
Python
154 lines
4.2 KiB
Python
import os.path
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from c_common import fsutil
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import c_common.tables as _tables
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import c_parser.info as _info
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BASE_COLUMNS = [
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'filename',
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'funcname',
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'name',
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'kind',
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]
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END_COLUMNS = {
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'parsed': 'data',
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'decls': 'declaration',
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}
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def _get_columns(group, extra=None):
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return BASE_COLUMNS + list(extra or ()) + [END_COLUMNS[group]]
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#return [
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# *BASE_COLUMNS,
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# *extra or (),
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# END_COLUMNS[group],
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#]
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#############################
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# high-level
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def read_parsed(infile):
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# XXX Support other formats than TSV?
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columns = _get_columns('parsed')
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for row in _tables.read_table(infile, columns, sep='\t', fix='-'):
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yield _info.ParsedItem.from_row(row, columns)
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def write_parsed(items, outfile):
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# XXX Support other formats than TSV?
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columns = _get_columns('parsed')
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rows = (item.as_row(columns) for item in items)
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_tables.write_table(outfile, columns, rows, sep='\t', fix='-')
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def read_decls(infile, fmt=None):
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if fmt is None:
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fmt = _get_format(infile)
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read_all, _ = _get_format_handlers('decls', fmt)
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for decl, _ in read_all(infile):
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yield decl
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def write_decls(decls, outfile, fmt=None, *, backup=False):
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if fmt is None:
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fmt = _get_format(infile)
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_, write_all = _get_format_handlers('decls', fmt)
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write_all(decls, outfile, backup=backup)
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#############################
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# formats
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def _get_format(file, default='tsv'):
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if isinstance(file, str):
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filename = file
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else:
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filename = getattr(file, 'name', '')
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_, ext = os.path.splitext(filename)
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return ext[1:] if ext else default
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def _get_format_handlers(group, fmt):
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# XXX Use a registry.
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if group != 'decls':
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raise NotImplementedError(group)
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if fmt == 'tsv':
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return (_iter_decls_tsv, _write_decls_tsv)
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else:
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raise NotImplementedError(fmt)
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# tsv
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def iter_decls_tsv(infile, extracolumns=None, relroot=fsutil.USE_CWD):
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if relroot and relroot is not fsutil.USE_CWD:
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relroot = os.path.abspath(relroot)
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for info, extra in _iter_decls_tsv(infile, extracolumns):
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decl = _info.Declaration.from_row(info)
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decl = decl.fix_filename(relroot, formatted=False, fixroot=False)
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yield decl, extra
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def write_decls_tsv(decls, outfile, extracolumns=None, *,
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relroot=fsutil.USE_CWD,
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**kwargs
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):
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if relroot and relroot is not fsutil.USE_CWD:
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relroot = os.path.abspath(relroot)
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decls = (d.fix_filename(relroot, fixroot=False) for d in decls)
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# XXX Move the row rendering here.
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_write_decls_tsv(decls, outfile, extracolumns, kwargs)
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def _iter_decls_tsv(infile, extracolumns=None):
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columns = _get_columns('decls', extracolumns)
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for row in _tables.read_table(infile, columns, sep='\t'):
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if extracolumns:
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declinfo = row[:4] + row[-1:]
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extra = row[4:-1]
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else:
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declinfo = row
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extra = None
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# XXX Use something like tables.fix_row() here.
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declinfo = [None if v == '-' else v
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for v in declinfo]
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yield declinfo, extra
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def _write_decls_tsv(decls, outfile, extracolumns, kwargs):
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columns = _get_columns('decls', extracolumns)
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if extracolumns:
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def render_decl(decl):
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if type(row) is tuple:
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decl, *extra = decl
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else:
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extra = ()
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extra += ('???',) * (len(extraColumns) - len(extra))
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*row, declaration = _render_known_row(decl)
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row += extra + (declaration,)
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return row
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else:
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render_decl = _render_known_decl
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_tables.write_table(
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outfile,
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header='\t'.join(columns),
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rows=(render_decl(d) for d in decls),
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sep='\t',
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**kwargs
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)
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def _render_known_decl(decl, *,
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# These match BASE_COLUMNS + END_COLUMNS[group].
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_columns = 'filename parent name kind data'.split(),
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):
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if not isinstance(decl, _info.Declaration):
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# e.g. Analyzed
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decl = decl.decl
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rowdata = decl.render_rowdata(_columns)
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return [rowdata[c] or '-' for c in _columns]
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# XXX
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#return _tables.fix_row(rowdata[c] for c in columns)
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