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gilch / hebigo

蛇語(HEH-bee-go): An indentation-based skin for Hissp.
https://github.com/gilch/hissp
Mozilla Public License 2.0
24 stars 3 forks source link

Rework bracketed expression lexing #62

Closed gilch closed 2 years ago

gilch commented 2 years ago

Addressing #61.

gilch commented 2 years ago

The remainder of a file with an unrecoverable SyntaxError continues adding to the incomplete token, but because it can never be completed, it's possible to detect this in a .hebi file: we will have run out of text without completing the token. This version will save the last SyntaxError during token construction and re-raise it in that case, which will point to the location of the problem.