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Enum variant discriminants hints

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This commit is contained in:
Lukas Wirth 2022-12-23 11:28:46 +01:00
parent b48a1ae004
commit df8fc78ece
8 changed files with 217 additions and 2 deletions
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15
crates/ide/src/inlay_hints.rs
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@ -24,12 +24,14 @@ mod chaining;
mod param_name;
mod binding_mode;
mod bind_pat;
mod discrimant;
#[derive(Clone, Debug, PartialEq, Eq)]
pub struct InlayHintsConfig {
pub location_links: bool,
pub render_colons: bool,
pub type_hints: bool,
pub discriminant_hints: DiscriminantHints,
pub parameter_hints: bool,
pub chaining_hints: bool,
pub adjustment_hints: AdjustmentHints,
@ -51,6 +53,13 @@ pub enum ClosureReturnTypeHints {
Never,
}
#[derive(Clone, Debug, PartialEq, Eq)]
pub enum DiscriminantHints {
Always,
Never,
Fieldless,
}
#[derive(Clone, Debug, PartialEq, Eq)]
pub enum LifetimeElisionHints {
Always,
@ -76,6 +85,7 @@ pub enum InlayKind {
LifetimeHint,
ParameterHint,
TypeHint,
DiscriminantHint,
OpeningParenthesis,
ClosingParenthesis,
}
@ -365,6 +375,9 @@ fn hints(
ast::Item::Const(it) => implicit_static::hints(hints, config, Either::Right(it)),
_ => None,
},
ast::Variant(v) => {
discrimant::hints(hints, famous_defs, config, file_id, &v)
},
// FIXME: fn-ptr type, dyn fn type, and trait object type elisions
ast::Type(_) => None,
_ => None,
@ -418,12 +431,14 @@ mod tests {
use test_utils::extract_annotations;
use crate::inlay_hints::AdjustmentHints;
use crate::DiscriminantHints;
use crate::{fixture, inlay_hints::InlayHintsConfig, LifetimeElisionHints};
use super::ClosureReturnTypeHints;
pub(super) const DISABLED_CONFIG: InlayHintsConfig = InlayHintsConfig {
location_links: false,
discriminant_hints: DiscriminantHints::Never,
render_colons: false,
type_hints: false,
parameter_hints: false,