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7ea59e053b
Note: there was an existing code path involving `Interpolated` in `MetaItem::from_tokens` that was dead. This commit transfers that to the new form, but puts an `unreachable!` call inside it.
40 lines
1008 B
Rust
40 lines
1008 B
Rust
#[cfg] //~ ERROR `cfg` is not followed by parentheses
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struct S1;
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#[cfg = 10] //~ ERROR `cfg` is not followed by parentheses
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struct S2;
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#[cfg()] //~ ERROR `cfg` predicate is not specified
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struct S3;
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#[cfg(a, b)] //~ ERROR multiple `cfg` predicates are specified
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struct S4;
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#[cfg("str")] //~ ERROR `cfg` predicate key cannot be a literal
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struct S5;
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#[cfg(a::b)] //~ ERROR `cfg` predicate key must be an identifier
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struct S6;
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#[cfg(a())] //~ ERROR invalid predicate `a`
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struct S7;
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#[cfg(a = 10)] //~ ERROR literal in `cfg` predicate value must be a string
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struct S8;
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#[cfg(a = b"hi")] //~ ERROR literal in `cfg` predicate value must be a string
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struct S9;
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macro_rules! generate_s10 {
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($expr: expr) => {
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#[cfg(feature = $expr)]
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//~^ ERROR expected unsuffixed literal, found expression `concat!("nonexistent")`
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//~| ERROR expected unsuffixed literal, found expression `concat!("nonexistent")`
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struct S10;
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}
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}
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generate_s10!(concat!("nonexistent"));
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fn main() {}
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