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Encode CommandLine in the index only.

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This commit is contained in:
Camille GILLOT 2020-12-01 21:56:15 +01:00
parent 66fee063b6
commit 5a731ffdae
2 changed files with 14 additions and 25 deletions
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4
compiler/rustc_lint/src/levels.rs
View File

@ -121,7 +121,7 @@ impl<'s> LintLevelsBuilder<'s> {
}
}
self.cur = self.sets.list.push(LintSet::CommandLine { specs });
self.cur = self.sets.list.push(LintSet { specs, parent: COMMAND_LINE });
}
/// Attempts to insert the `id` to `level_src` map entry. If unsuccessful
@ -524,7 +524,7 @@ impl<'s> LintLevelsBuilder<'s> {
let prev = self.cur;
if !specs.is_empty() {
self.cur = self.sets.list.push(LintSet::Node { specs, parent: prev });
self.cur = self.sets.list.push(LintSet { specs, parent: prev });
}
BuilderPush { prev, changed: prev != self.cur }

35
compiler/rustc_middle/src/lint.rs
View File

@ -66,17 +66,12 @@ rustc_index::newtype_index! {
}
#[derive(Debug, HashStable)]
pub enum LintSet {
CommandLine {
// -A,-W,-D flags, a `Symbol` for the flag itself and `Level` for which
// flag.
specs: FxHashMap<LintId, LevelAndSource>,
},
pub struct LintSet {
// -A,-W,-D flags, a `Symbol` for the flag itself and `Level` for which
// flag.
pub specs: FxHashMap<LintId, LevelAndSource>,
Node {
specs: FxHashMap<LintId, LevelAndSource>,
parent: LintStackIndex,
},
pub parent: LintStackIndex,
}
impl LintLevelSets {
@ -139,20 +134,14 @@ impl LintLevelSets {
}
}
loop {
match self.list[idx] {
LintSet::CommandLine { ref specs } => {
if let Some(&(level, src)) = specs.get(&id) {
return (Some(level), src);
}
return (None, LintLevelSource::Default);
}
LintSet::Node { ref specs, parent } => {
if let Some(&(level, src)) = specs.get(&id) {
return (Some(level), src);
}
idx = parent;
}
let LintSet { ref specs, parent } = self.list[idx];
if let Some(&(level, src)) = specs.get(&id) {
return (Some(level), src);
}
if idx == COMMAND_LINE {
return (None, LintLevelSource::Default);
}
idx = parent;
}
}
}