Open davmlaw opened 8 months ago
I am happy to do the work and make a pull request, just raising the issue for discussion
Potentually related to #367
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The current design uses Parsley to define the correct grammar only, which leads to a "syntax error" on some common mistakes.
If we modified the grammar parser to include common mistakes, then manually checked for them, we could give much more informative messages than "syntax error".
For instance, consider an insertion:
NC_000017.11:g.43091687_43091688insGATTACA
Here are some common mistakes I have seen in the wild:
Integer length for insertion
Example: NC_000017.11:g.43091687_43091688ins7 Suggested error: "Insertions require inserted sequence, rather than an integer length"
Missing insertion
Example: NC_000017.11:g.43091687_43091688ins Suggested error: "Insertions require inserted sequence"