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parser: Tweak parsing during error conditions

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When an explicit parsing error is encountered and a CompileError raised,
apply the changes to the context state. This way, the rule that catches
the exception (e.g. Statement or Until) knows where the error occurred.

Also, changed "Expected" errors to be reported at the end of the
previous non-whitespace token.
This commit is contained in:
James Westman 2025-05-03 10:10:06 -05:00
parent 69e05bba34
commit d3c31447c9
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6 changed files with 18 additions and 11 deletions
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blueprintcompiler/utils.py
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@ -76,8 +76,8 @@ def did_you_mean(word: str, options: T.List[str]) -> T.Optional[str]:
def idx_to_pos(idx: int, text: str) -> T.Tuple[int, int]:
if idx == 0 or len(text) == 0:
return (0, 0)
line_num = text.count("\n", 0, idx) + 1
col_num = idx - text.rfind("\n", 0, idx) - 1
line_num = text.count("\n", 0, idx - 1) + 1
col_num = idx - text.rfind("\n", 0, idx - 1) - 1
return (line_num - 1, col_num)