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Emit the lint level of the unused-crate-dependencies

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Also, turn off the lint when the unused dependencies json flag
is specified so that cargo doesn't have to supress the lint
This commit is contained in:
est31
2020-08-10 01:57:35 +02:00
parent 13371b59ee
commit 3a62eb74db
6 changed files with 66 additions and 19 deletions
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10
compiler/rustc_errors/src/json.rs
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@@ -159,8 +159,8 @@ impl Emitter for JsonEmitter {
}
}
fn emit_unused_externs(&mut self, unused_externs: &[&str]) {
let data = UnusedExterns { unused_extern_names: unused_externs };
fn emit_unused_externs(&mut self, lint_level: &str, unused_externs: &[&str]) {
let data = UnusedExterns { lint_level, unused_extern_names: unused_externs };
let result = if self.pretty {
writeln!(&mut self.dst, "{}", as_pretty_json(&data))
} else {
@@ -336,9 +336,11 @@ struct FutureIncompatReport {
}
#[derive(Encodable)]
struct UnusedExterns<'a, 'b> {
struct UnusedExterns<'a, 'b, 'c> {
/// The severity level of the unused dependencies lint
lint_level: &'a str,
/// List of unused externs by their names.
unused_extern_names: &'a [&'b str],
unused_extern_names: &'b [&'c str],
}
impl Diagnostic {