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propagate the error from parsing enum variant to the parser and emit out #105098

Merged
merged 1 commit into from
Dec 6, 2022
Merged

propagate the error from parsing enum variant to the parser and emit out #105098

merged 1 commit into from
Dec 6, 2022

Commits on Dec 2, 2022

  1. While parsing enum variant, the error message always disappear 

    Because the error message that emit out is from main error of parser
The information of enum variant disappears while parsing enum variant with error
We only check the syntax of expecting token, i.e, in case rust-lang#103869
It will error it without telling the message that this error is from pasring enum variant.
Propagate the sub-error from parsing enum variant to the main error of parser by chaining it with map_err
Check the sub-error before emitting the main error of parser and attach it.
Fix rust-lang#103869
    Yiming Lei committed Dec 2, 2022
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