Resolve RETURN and CONTINUE Overly-Greedy Matching - Githubissues

klauer / blark

Beckhoff TwinCAT ST (IEC 61131-3) code parsing in Python using Lark (Earley)

https://klauer.github.io/blark/

GNU General Public License v2.0

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Resolve RETURN and CONTINUE Overly-Greedy Matching #68

Closed engineerjoe440 closed 1 year ago

engineerjoe440 commented 1 year ago

Related Issues

67

Changes

Use + instead of * in iec.lark grammar for RETURN statement to require 1 or more semicolons instead of 0 or more.
Use + instead of * in iec.lark grammar for CONTINUE statement to require 1 or more semicolons instead of 0 or more.
Tests to validate behavior and appropriate parsing.

Blocked By:

66 (this PR contains those same changes, so we should probably merge it first 😝 )

Closing Thoughts

This looks like a much simpler change than I had anticipated. Very excited about that! :smile: