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By using `token_descr`, as is done for many other errors, we can get slightly better descriptions in error messages, e.g. "macro expansion ignores token `let` and any following" becomes "macro expansion ignores keyword `let` and any tokens following". This will be more important once invisible delimiters start being mentioned in error messages -- without this commit, that leads to error messages such as "error at ``" because invisible delimiters are pretty printed as an empty string.
32 lines
1.3 KiB
Plaintext
32 lines
1.3 KiB
Plaintext
error: expected one of `(`, `,`, `=`, `{`, or `}`, found type `(String)`
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--> $DIR/syntax-error-recovery.rs:7:26
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LL | $token $($inner)? = $value,
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| ^^^^^^ expected one of `(`, `,`, `=`, `{`, or `}`
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...
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LL | values!(STRING(1) as (String) => cfg(test),);
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| -------------------------------------------- in this macro invocation
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= help: enum variants can be `Variant`, `Variant = <integer>`, `Variant(Type, ..., TypeN)` or `Variant { fields: Types }`
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= note: this error originates in the macro `values` (in Nightly builds, run with -Z macro-backtrace for more info)
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error: macro expansion ignores type `(String)` and any tokens following
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--> $DIR/syntax-error-recovery.rs:7:26
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LL | $token $($inner)? = $value,
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| ^^^^^^
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...
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LL | values!(STRING(1) as (String) => cfg(test),);
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| -------------------------------------------- caused by the macro expansion here
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= note: the usage of `values!` is likely invalid in item context
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error: expected one of `!` or `::`, found `<eof>`
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--> $DIR/syntax-error-recovery.rs:15:9
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LL | values!(STRING(1) as (String) => cfg(test),);
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| ^^^^^^ expected one of `!` or `::`
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error: aborting due to 3 previous errors
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