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Refer to the Cargo specific doc in the check-cfg diagnostics

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This commit is contained in:
Urgau 2024-05-17 18:51:58 +02:00
parent b5ec9bb1b6
commit 3b47f4c60c
4 changed files with 18 additions and 16 deletions
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6
compiler/rustc_lint/src/context/diagnostics/check_cfg.rs
View File

@ -182,11 +182,12 @@ pub(super) fn unexpected_cfg_name(
diag.help(format!("or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:\n [lints.rust]\n unexpected_cfgs = {{ level = \"warn\", check-cfg = ['{}'] }}", inst(EscapeQuotes::No)));
diag.help(format!("or consider adding `println!(\"cargo::rustc-check-cfg={}\");` to the top of the `build.rs`", inst(EscapeQuotes::Yes)));
}
diag.note("see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration");
} else {
let inst = inst(EscapeQuotes::No);
diag.help(format!("to expect this configuration use `--check-cfg={inst}`",));
diag.note("see <https://doc.rust-lang.org/nightly/rustc/check-cfg.html> for more information about checking conditional configuration");
}
diag.note("see <https://doc.rust-lang.org/nightly/rustc/check-cfg.html> for more information about checking conditional configuration");
}
pub(super) fn unexpected_cfg_value(
@ -281,11 +282,12 @@ pub(super) fn unexpected_cfg_value(
diag.help(format!("or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:\n [lints.rust]\n unexpected_cfgs = {{ level = \"warn\", check-cfg = ['{}'] }}", inst(EscapeQuotes::No)));
diag.help(format!("or consider adding `println!(\"cargo::rustc-check-cfg={}\");` to the top of the `build.rs`", inst(EscapeQuotes::Yes)));
}
diag.note("see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration");
} else {
if !is_cfg_a_well_know_name {
let inst = inst(EscapeQuotes::No);
diag.help(format!("to expect this configuration use `--check-cfg={inst}`",));
}
diag.note("see <https://doc.rust-lang.org/nightly/rustc/check-cfg.html> for more information about checking conditional configuration");
}
diag.note("see <https://doc.rust-lang.org/nightly/rustc/check-cfg.html> for more information about checking conditional configuration");
}

8
tests/ui/check-cfg/cargo-feature.none.stderr
View File

@ -6,7 +6,7 @@ LL | #[cfg(feature = "serde")]
|
= note: no expected values for `feature`
= help: consider adding `serde` as a feature in `Cargo.toml`
= note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg.html> for more information about checking conditional configuration
= note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
= note: `#[warn(unexpected_cfgs)]` on by default
warning: unexpected `cfg` condition value: (none)
@ -17,7 +17,7 @@ LL | #[cfg(feature)]
|
= note: no expected values for `feature`
= help: consider defining some features in `Cargo.toml`
= note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg.html> for more information about checking conditional configuration
= note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `tokio_unstable`
--> $DIR/cargo-feature.rs:22:7
@ -31,7 +31,7 @@ LL | #[cfg(tokio_unstable)]
[lints.rust]
unexpected_cfgs = { level = "warn", check-cfg = ['cfg(tokio_unstable)'] }
= help: or consider adding `println!("cargo::rustc-check-cfg=cfg(tokio_unstable)");` to the top of the `build.rs`
= note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg.html> for more information about checking conditional configuration
= note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `CONFIG_NVME`
--> $DIR/cargo-feature.rs:26:7
@ -44,7 +44,7 @@ LL | #[cfg(CONFIG_NVME = "m")]
[lints.rust]
unexpected_cfgs = { level = "warn", check-cfg = ['cfg(CONFIG_NVME, values("m"))'] }
= help: or consider adding `println!("cargo::rustc-check-cfg=cfg(CONFIG_NVME, values(\"m\"))");` to the top of the `build.rs`
= note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg.html> for more information about checking conditional configuration
= note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: 4 warnings emitted

8
tests/ui/check-cfg/cargo-feature.some.stderr
View File

@ -6,7 +6,7 @@ LL | #[cfg(feature = "serde")]
|
= note: expected values for `feature` are: `bitcode`
= help: consider adding `serde` as a feature in `Cargo.toml`
= note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg.html> for more information about checking conditional configuration
= note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
= note: `#[warn(unexpected_cfgs)]` on by default
warning: unexpected `cfg` condition value: (none)
@ -17,7 +17,7 @@ LL | #[cfg(feature)]
|
= note: expected values for `feature` are: `bitcode`
= help: consider defining some features in `Cargo.toml`
= note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg.html> for more information about checking conditional configuration
= note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `tokio_unstable`
--> $DIR/cargo-feature.rs:22:7
@ -31,7 +31,7 @@ LL | #[cfg(tokio_unstable)]
[lints.rust]
unexpected_cfgs = { level = "warn", check-cfg = ['cfg(tokio_unstable)'] }
= help: or consider adding `println!("cargo::rustc-check-cfg=cfg(tokio_unstable)");` to the top of the `build.rs`
= note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg.html> for more information about checking conditional configuration
= note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition value: `m`
--> $DIR/cargo-feature.rs:26:7
@ -47,7 +47,7 @@ LL | #[cfg(CONFIG_NVME = "m")]
[lints.rust]
unexpected_cfgs = { level = "warn", check-cfg = ['cfg(CONFIG_NVME, values("m"))'] }
= help: or consider adding `println!("cargo::rustc-check-cfg=cfg(CONFIG_NVME, values(\"m\"))");` to the top of the `build.rs`
= note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg.html> for more information about checking conditional configuration
= note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: 4 warnings emitted

12
tests/ui/check-cfg/diagnotics.cargo.stderr
View File

@ -5,7 +5,7 @@ LL | #[cfg(featur)]
| ^^^^^^ help: there is a config with a similar name: `feature`
|
= help: expected values for `feature` are: `foo`
= note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg.html> for more information about checking conditional configuration
= note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
= note: `#[warn(unexpected_cfgs)]` on by default
warning: unexpected `cfg` condition name: `featur`
@ -14,7 +14,7 @@ warning: unexpected `cfg` condition name: `featur`
LL | #[cfg(featur = "foo")]
| ^^^^^^^^^^^^^^
|
= note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg.html> for more information about checking conditional configuration
= note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
help: there is a config with a similar name and value
|
LL | #[cfg(feature = "foo")]
@ -27,7 +27,7 @@ LL | #[cfg(featur = "fo")]
| ^^^^^^^^^^^^^
|
= help: expected values for `feature` are: `foo`
= note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg.html> for more information about checking conditional configuration
= note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
help: there is a config with a similar name and different values
|
LL | #[cfg(feature = "foo")]
@ -44,7 +44,7 @@ LL | #[cfg(no_value)]
[lints.rust]
unexpected_cfgs = { level = "warn", check-cfg = ['cfg(no_value)'] }
= help: or consider adding `println!("cargo::rustc-check-cfg=cfg(no_value)");` to the top of the `build.rs`
= note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg.html> for more information about checking conditional configuration
= note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: unexpected `cfg` condition name: `no_value`
--> $DIR/diagnotics.rs:27:7
@ -57,7 +57,7 @@ LL | #[cfg(no_value = "foo")]
[lints.rust]
unexpected_cfgs = { level = "warn", check-cfg = ['cfg(no_value, values("foo"))'] }
= help: or consider adding `println!("cargo::rustc-check-cfg=cfg(no_value, values(\"foo\"))");` to the top of the `build.rs`
= note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg.html> for more information about checking conditional configuration
= note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
help: there is a config with a similar name and no value
|
LL | #[cfg(no_values)]
@ -77,7 +77,7 @@ LL | #[cfg(no_values = "bar")]
[lints.rust]
unexpected_cfgs = { level = "warn", check-cfg = ['cfg(no_values, values("bar"))'] }
= help: or consider adding `println!("cargo::rustc-check-cfg=cfg(no_values, values(\"bar\"))");` to the top of the `build.rs`
= note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg.html> for more information about checking conditional configuration
= note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
warning: 6 warnings emitted