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Handle no values cfg with --print=check-cfg

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This commit is contained in:
Urgau
2024-05-31 15:39:10 +02:00
parent a83cf567b5
commit 5f0043ace6
3 changed files with 26 additions and 7 deletions
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18
compiler/rustc_driver_impl/src/lib.rs
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@@ -814,13 +814,17 @@ fn print_crate_info(
match expected_values {
ExpectedValues::Any => check_cfgs.push(format!("{name}=any()")),
ExpectedValues::Some(values) => {
check_cfgs.extend(values.iter().map(|value| {
if let Some(value) = value {
format!("{name}=\"{value}\"")
} else {
name.to_string()
}
}))
if !values.is_empty() {
check_cfgs.extend(values.iter().map(|value| {
if let Some(value) = value {
format!("{name}=\"{value}\"")
} else {
name.to_string()
}
}))
} else {
check_cfgs.push(format!("{name}="))
}
}
}
}