def resolve(self, view):
# type: (...) -> Region
# Return a representing the Vim line range that the ex command should
# operate on.
start = _resolve_line_reference(view, self.start or [TokenDot()])
if not self.separator:
if start == -1:
return Region(-1, -1)
if len(self.start) == 1 and isinstance(self.start[0],
TokenPercent):
return Region(0, view.size())
return view.full_line(view.text_point(start, 0))
new_start = start if self.separator == ';' else 0
end = _resolve_line_reference(view,
self.end or [TokenDot()],
current=new_start)
return view.full_line(
Region(view.text_point(start, 0), view.text_point(end, 0)))
def _process_dot(state, command_line):
_init_line_range(command_line)
if not state.is_range_start_line_parsed:
if command_line.line_range.start and isinstance(command_line.line_range.start[-1], TokenOffset):
raise ValueError('bad range {0}'.format(state.scanner.state.source))
command_line.line_range.start.append(TokenDot())
else:
if command_line.line_range.end and isinstance(command_line.line_range.end[-1], TokenOffset):
raise ValueError('bad range {0}'.format(state.scanner.source))
command_line.line_range.end.append(TokenDot())
return _parse_line_ref, command_line
def _scan_range(state):
# Produce tokens found in a command line range.
# https://vimhelp.appspot.com/cmdline.txt.html#cmdline-ranges
#
# Args:
# :state (_ScannerState):
#
# Returns:
# tuple
c = state.consume()
if c == state.EOF:
return None, [TokenEof()]
if c == '.':
state.emit()
return _scan_range, [TokenDot()]
if c == '$':
state.emit()
return _scan_range, [TokenDollar()]
if c == ',':
state.emit()
return _scan_range, [TokenComma()]
if c in ';':
state.emit()
return _scan_range, [TokenSemicolon()]
if c == "'":
return _scan_mark(state)
if c in '/?':
return _scan_search(state)
if c in '+-':
return _scan_offset(state)
if c == '%':
state.emit()
return _scan_range, [TokenPercent()]
if c in '\t ':
state.skip_run(' \t')
state.ignore()
if c.isdigit():
return _scan_digits(state)
state.backup()
return _scan_command, []
def _process_digits(token, state, command_line):
if not state.is_range_start_line_parsed:
if (command_line.line_range.start and command_line.line_range.start[-1]) == TokenDot():
raise ValueError('bad range: {0}'.format(state.scanner.state.source))
elif (command_line.line_range.start and isinstance(command_line.line_range.start[-1], TokenDigits)):
command_line.line_range.start = [token]
else:
command_line.line_range.start.append(token)
else:
if (command_line.line_range.end and command_line.line_range.end[-1] == TokenDot()):
raise ValueError('bad range: {0}'.format(state.scanner.state.source))
elif (command_line.line_range.end and isinstance(command_line.line_range.end[-1], TokenDigits)):
command_line.line_range.end = [token]
else:
command_line.line_range.end.append(token)
return _parse_line_ref, command_line
