82932ec86a
This PR adds a stop position field to parser input contexts, allowing the parser to be instructed to stop parsing prior to the end of a file. This is step 1, prior to a stage0 update, to make run-time data structures sufficiently compatible to avoid segfaults. After the update, the actual code to stop parsing can be merged. |
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| Basic.lean | ||
| Extra.lean | ||
| Lemmas.lean | ||