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import os.path
import c_common.tables as _tables
import c_parser.info as _info
BASE_COLUMNS = [
'filename',
'funcname',
'name',
'kind',
]
END_COLUMNS = {
'parsed': 'data',
'decls': 'declaration',
}
def _get_columns(group, extra=None):
return BASE_COLUMNS + list(extra or ()) + [END_COLUMNS[group]]
#return [
# *BASE_COLUMNS,
# *extra or (),
# END_COLUMNS[group],
#]
#############################
# high-level
def read_parsed(infile):
# XXX Support other formats than TSV?
columns = _get_columns('parsed')
for row in _tables.read_table(infile, columns, sep='\t', fix='-'):
yield _info.ParsedItem.from_row(row, columns)
def write_parsed(items, outfile):
# XXX Support other formats than TSV?
columns = _get_columns('parsed')
rows = (item.as_row(columns) for item in items)
_tables.write_table(outfile, columns, rows, sep='\t', fix='-')
def read_decls(infile, fmt=None):
if fmt is None:
fmt = _get_format(infile)
read_all, _ = _get_format_handlers('decls', fmt)
for decl, _ in read_all(infile):
yield decl
def write_decls(decls, outfile, fmt=None, *, backup=False):
if fmt is None:
fmt = _get_format(infile)
_, write_all = _get_format_handlers('decls', fmt)
write_all(decls, outfile, backup=backup)
#############################
# formats
def _get_format(file, default='tsv'):
if isinstance(file, str):
filename = file
else:
filename = getattr(file, 'name', '')
_, ext = os.path.splitext(filename)
return ext[1:] if ext else default
def _get_format_handlers(group, fmt):
# XXX Use a registry.
if group != 'decls':
raise NotImplementedError(group)
if fmt == 'tsv':
return (_iter_decls_tsv, _write_decls_tsv)
else:
raise NotImplementedError(fmt)
# tsv
def iter_decls_tsv(infile, extracolumns=None, relroot=None):
for info, extra in _iter_decls_tsv(infile, extracolumns, relroot):
decl = _info.Declaration.from_row(info)
yield decl, extra
def write_decls_tsv(decls, outfile, extracolumns=None, *,
relroot=None,
**kwargs
):
# XXX Move the row rendering here.
_write_decls_tsv(decls, outfile, extracolumns, relroot, kwargs)
def _iter_decls_tsv(infile, extracolumns=None, relroot=None):
columns = _get_columns('decls', extracolumns)
for row in _tables.read_table(infile, columns, sep='\t'):
if extracolumns:
declinfo = row[:4] + row[-1:]
extra = row[4:-1]
else:
declinfo = row
extra = None
if relroot:
# XXX Use something like tables.fix_row() here.
declinfo = [None if v == '-' else v
for v in declinfo]
declinfo[0] = os.path.join(relroot, declinfo[0])
yield declinfo, extra
def _write_decls_tsv(decls, outfile, extracolumns, relroot,kwargs):
columns = _get_columns('decls', extracolumns)
if extracolumns:
def render_decl(decl):
if type(row) is tuple:
decl, *extra = decl
else:
extra = ()
extra += ('???',) * (len(extraColumns) - len(extra))
*row, declaration = _render_known_row(decl, relroot)
row += extra + (declaration,)
return row
else:
render_decl = _render_known_decl
_tables.write_table(
outfile,
header='\t'.join(columns),
rows=(render_decl(d, relroot) for d in decls),
sep='\t',
**kwargs
)
def _render_known_decl(decl, relroot, *,
# These match BASE_COLUMNS + END_COLUMNS[group].
_columns = 'filename parent name kind data'.split(),
):
if not isinstance(decl, _info.Declaration):
# e.g. Analyzed
decl = decl.decl
rowdata = decl.render_rowdata(_columns)
if relroot:
rowdata['filename'] = os.path.relpath(rowdata['filename'], relroot)
return [rowdata[c] or '-' for c in _columns]
# XXX
#return _tables.fix_row(rowdata[c] for c in columns)
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