Recover gracefully from struct parse errors
#75513
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r? @davidtwco (rust_highfive has picked a reviewer for you, use r? to override) |
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struct parse errorsstruct parse errors
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Rollup of 4 pull requests Successful merges: - rust-lang#75376 (Set CMAKE_SYSTEM_NAME when cross-compiling) - rust-lang#75448 (merge `as_local_hir_id` with `local_def_id_to_hir_id`) - rust-lang#75513 (Recover gracefully from `struct` parse errors) - rust-lang#75545 (std/sys/unix/time: make it easier for LLVM to optimize `Instant` subtraction.) Failed merges: - rust-lang#75514 (Replaced `log` with `tracing`) r? @ghost
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Currently the parser tries to recover from finding a keyword where a field name was expected, but this causes extra knock down parse errors that are completely irrelevant. Instead, bail out early in the parsing of the field and consume the remaining tokens in the block. This can reduce output significantly.
Improvements based on the narrative in https://fasterthanli.me/articles/i-am-a-java-csharp-c-or-cplusplus-dev-time-to-do-some-rust