Improve error message for missing closing tokens #397
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When a missing closing token like `)`, `]` or `}` is encountered we want the "Expected `)`" error to point to a location one past the last valid token, not to the trailing error tokens. For example from #349 here's a poor error message from the existing code: ERROR: ParseError: # Error @ REPL[53]:15:5 ylims!(p, (0, last(ylims(p))) xlabel!(p, "Contig length cutoff (kbp)") # └─────────────────────────────────────┘ ── Expected `)` After this change, the error location instead points to the end of the last valid line: ERROR: ParseError: # Error @ REPL[53]:15:5 ylims!(p, (0, last(ylims(p))) # └── Expected `)`
Codecov ReportAll modified and coverable lines are covered by tests ✅
Additional details and impacted files@@ Coverage Diff @@
## main #397 +/- ##
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- Coverage 96.64% 95.83% -0.81%
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Files 14 13 -1
Lines 4172 3940 -232
==========================================
- Hits 4032 3776 -256
- Misses 140 164 +24 ☔ View full report in Codecov by Sentry. |
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When a missing closing token like `)`, `]` or `}` is encountered we want the "Expected `)`" error to point to a location one past the last valid token, not to the trailing error tokens. For example from #349 here's a poor error message from the existing code: ERROR: ParseError: # Error @ REPL[53]:15:5 ylims!(p, (0, last(ylims(p))) xlabel!(p, "Contig length cutoff (kbp)") # └─────────────────────────────────────┘ ── Expected `)` After this change, the error location instead points to the end of the last valid line: ERROR: ParseError: # Error @ REPL[53]:15:5 ylims!(p, (0, last(ylims(p))) # └── Expected `)`
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A thought on this: when the tokes are paired, it could be helpful to highlight the corresponding un-paired token. For example, here's some (lisp) code in my editor when I delete an opening paren:
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When a missing closing token like
),]or}is encountered we want the "Expected)" error to point to a location one past the last valid token, not to the trailing error tokens.For example from #349 here's a poor error message from the existing code:
After this change, the error location instead points to the end of the last valid line:
Fix #349, fix #313