def _get_block_level_adjusted_error_span(self):
block_start = self.currentBlock().position()
block_end = self.currentBlock().position() + self.currentBlock().length() - 2
if block_start > block_end:
return None
error_span = self._get_document_level_adjusted_error_span()
if error_span is None:
return None
start = clamp(error_span.start_pos, block_start, block_end + 1) - block_start
end = clamp(error_span.end_pos, block_start - 1, block_end) - block_start
if start > end:
return None
return SourceSpan.from_start_end(start, end, self.currentBlock().text())
def _get_document_level_adjusted_error_span(self):
if self._error_span is None:
return None
source = self.document().toPlainText() + "\n"
start = clamp(self._error_span.start_pos, 0, len(source) - 1)
end = clamp(self._error_span.end_pos, start, len(source) - 1)
# An error that occurs between two tokens will be extended backwards until it touches the last character in
# the first token; this is so that we can be sure it shows up in the highlighter
while start > 0 and str.isspace(source[start]):
start -= 1
while end > start and source[end] == "\n":
end -= 1
return SourceSpan.from_start_end(start, end, source)
