def get_parsy_error_location(error, file_path):
line, column = parsy.line_info_at(error.stream, error.index)
return IssueLocation(
line=line,
column=column,
file_path=file_path,
)
def program_parser(prog: str) -> ast.Node:
try:
result = program.parse(prog)
return result
except P.ParseError as e:
l, c = P.line_info_at(e.stream, e.index)
errors.add_error(
errors.Error(start=ast.Position(line=l + 1, column=c),
end=ast.Position(line=l + 1, column=c),
kind=errors.ParseKind.ParserError,
message=str(e)))
return ast.Nothing()
def test_line_info_at(self):
text = "abc\ndef"
self.assertEqual(line_info_at(text, 0), (0, 0))
self.assertEqual(line_info_at(text, 2), (0, 2))
self.assertEqual(line_info_at(text, 3), (0, 3))
self.assertEqual(line_info_at(text, 4), (1, 0))
self.assertEqual(line_info_at(text, 7), (1, 3))
self.assertRaises(ValueError, lambda: line_info_at(text, 8))