1 files changed, 19 insertions, 144 deletions

diff --git a/crates/ide_assists/src/lib.rs b/crates/ide_assists/src/lib.rs
index 331a6df2b..fa378a622 100644
--- a/crates/ide_assists/src/lib.rs
+++ b/crates/ide_assists/src/lib.rs
@@ -17,156 +17,31 @@ mod tests;
 pub mod utils;
 pub mod path_transform;
 
-use std::str::FromStr;
-
 use hir::Semantics;
-use ide_db::{base_db::FileRange, label::Label, source_change::SourceChange, RootDatabase};
+use ide_db::{base_db::FileRange, RootDatabase};
 use syntax::TextRange;
 
 pub(crate) use crate::assist_context::{AssistContext, Assists};
 
 pub use assist_config::AssistConfig;
-
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-pub enum AssistKind {
-    // FIXME: does the None variant make sense? Probably not.
-    None,
-
-    QuickFix,
-    Generate,
-    Refactor,
-    RefactorExtract,
-    RefactorInline,
-    RefactorRewrite,
-}
-
-impl AssistKind {
-    pub fn contains(self, other: AssistKind) -> bool {
-        if self == other {
-            return true;
-        }
-
-        match self {
-            AssistKind::None | AssistKind::Generate => true,
-            AssistKind::Refactor => match other {
-                AssistKind::RefactorExtract
-                | AssistKind::RefactorInline
-                | AssistKind::RefactorRewrite => true,
-                _ => false,
-            },
-            _ => false,
-        }
-    }
-
-    pub fn name(&self) -> &str {
-        match self {
-            AssistKind::None => "None",
-            AssistKind::QuickFix => "QuickFix",
-            AssistKind::Generate => "Generate",
-            AssistKind::Refactor => "Refactor",
-            AssistKind::RefactorExtract => "RefactorExtract",
-            AssistKind::RefactorInline => "RefactorInline",
-            AssistKind::RefactorRewrite => "RefactorRewrite",
-        }
-    }
-}
-
-impl FromStr for AssistKind {
-    type Err = String;
-
-    fn from_str(s: &str) -> Result<Self, Self::Err> {
-        match s {
-            "None" => Ok(AssistKind::None),
-            "QuickFix" => Ok(AssistKind::QuickFix),
-            "Generate" => Ok(AssistKind::Generate),
-            "Refactor" => Ok(AssistKind::Refactor),
-            "RefactorExtract" => Ok(AssistKind::RefactorExtract),
-            "RefactorInline" => Ok(AssistKind::RefactorInline),
-            "RefactorRewrite" => Ok(AssistKind::RefactorRewrite),
-            unknown => Err(format!("Unknown AssistKind: '{}'", unknown)),
-        }
-    }
-}
-
-/// Unique identifier of the assist, should not be shown to the user
-/// directly.
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-pub struct AssistId(pub &'static str, pub AssistKind);
-
-/// A way to control how many asssist to resolve during the assist resolution.
-/// When an assist is resolved, its edits are calculated that might be costly to always do by default.
-#[derive(Debug)]
-pub enum AssistResolveStrategy {
-    /// No assists should be resolved.
-    None,
-    /// All assists should be resolved.
-    All,
-    /// Only a certain assist should be resolved.
-    Single(SingleResolve),
-}
-
-/// Hold the [`AssistId`] data of a certain assist to resolve.
-/// The original id object cannot be used due to a `'static` lifetime
-/// and the requirement to construct this struct dynamically during the resolve handling.
-#[derive(Debug)]
-pub struct SingleResolve {
-    /// The id of the assist.
-    pub assist_id: String,
-    // The kind of the assist.
-    pub assist_kind: AssistKind,
-}
-
-impl AssistResolveStrategy {
-    pub fn should_resolve(&self, id: &AssistId) -> bool {
-        match self {
-            AssistResolveStrategy::None => false,
-            AssistResolveStrategy::All => true,
-            AssistResolveStrategy::Single(single_resolve) => {
-                single_resolve.assist_id == id.0 && single_resolve.assist_kind == id.1
-            }
-        }
-    }
-}
-
-#[derive(Clone, Debug)]
-pub struct GroupLabel(pub String);
-
-#[derive(Debug, Clone)]
-pub struct Assist {
-    pub id: AssistId,
-    /// Short description of the assist, as shown in the UI.
-    pub label: Label,
-    pub group: Option<GroupLabel>,
-    /// Target ranges are used to sort assists: the smaller the target range,
-    /// the more specific assist is, and so it should be sorted first.
-    pub target: TextRange,
-    /// Computing source change sometimes is much more costly then computing the
-    /// other fields. Additionally, the actual change is not required to show
-    /// the lightbulb UI, it only is needed when the user tries to apply an
-    /// assist. So, we compute it lazily: the API allow requesting assists with
-    /// or without source change. We could (and in fact, used to) distinguish
-    /// between resolved and unresolved assists at the type level, but this is
-    /// cumbersome, especially if you want to embed an assist into another data
-    /// structure, such as a diagnostic.
-    pub source_change: Option<SourceChange>,
-}
-
-impl Assist {
-    /// Return all the assists applicable at the given position.
-    pub fn get(
-        db: &RootDatabase,
-        config: &AssistConfig,
-        resolve: AssistResolveStrategy,
-        range: FileRange,
-    ) -> Vec<Assist> {
-        let sema = Semantics::new(db);
-        let ctx = AssistContext::new(sema, config, range);
-        let mut acc = Assists::new(&ctx, resolve);
-        handlers::all().iter().for_each(|handler| {
-            handler(&mut acc, &ctx);
-        });
-        acc.finish()
-    }
+pub use ide_db::assists::{
+    Assist, AssistId, AssistKind, AssistResolveStrategy, GroupLabel, SingleResolve,
+};
+
+/// Return all the assists applicable at the given position.
+pub fn assists(
+    db: &RootDatabase,
+    config: &AssistConfig,
+    resolve: AssistResolveStrategy,
+    range: FileRange,
+) -> Vec<Assist> {
+    let sema = Semantics::new(db);
+    let ctx = AssistContext::new(sema, config, range);
+    let mut acc = Assists::new(&ctx, resolve);
+    handlers::all().iter().for_each(|handler| {
+        handler(&mut acc, &ctx);
+    });
+    acc.finish()
 }
 
 mod handlers {