Advertise completions and inlay hints resolve server capabilities based on the client capabilities.

4 files changed, 45 insertions, 22 deletions

diff --git a/src/tools/rust-analyzer/crates/ide-completion/src/lib.rs b/src/tools/rust-analyzer/crates/ide-completion/src/lib.rs
index dfee01b187e..cffdfa29f1a 100644
--- a/src/tools/rust-analyzer/crates/ide-completion/src/lib.rs
+++ b/src/tools/rust-analyzer/crates/ide-completion/src/lib.rs
@@ -19,7 +19,7 @@ use ide_db::{
     },
     items_locator,
     syntax_helpers::tree_diff::diff,
-    FilePosition, RootDatabase,
+    FilePosition, FxHashSet, RootDatabase,
 };
 
 use crate::{
@@ -50,6 +50,18 @@ pub struct CompletionFieldsToResolve {
 }
 
 impl CompletionFieldsToResolve {
+    pub fn from_client_capabilities(client_capability_fields: &FxHashSet<&str>) -> Self {
+        Self {
+            resolve_label_details: client_capability_fields.contains("labelDetails"),
+            resolve_tags: client_capability_fields.contains("tags"),
+            resolve_detail: client_capability_fields.contains("detail"),
+            resolve_documentation: client_capability_fields.contains("documentation"),
+            resolve_filter_text: client_capability_fields.contains("filterText"),
+            resolve_text_edit: client_capability_fields.contains("textEdit"),
+            resolve_command: client_capability_fields.contains("command"),
+        }
+    }
+
     pub const fn empty() -> Self {
         Self {
             resolve_label_details: false,
diff --git a/src/tools/rust-analyzer/crates/ide/src/inlay_hints.rs b/src/tools/rust-analyzer/crates/ide/src/inlay_hints.rs
index c58ca0f01cd..1ae8bfa9b6e 100644
--- a/src/tools/rust-analyzer/crates/ide/src/inlay_hints.rs
+++ b/src/tools/rust-analyzer/crates/ide/src/inlay_hints.rs
@@ -8,8 +8,8 @@ use hir::{
     sym, ClosureStyle, HasVisibility, HirDisplay, HirDisplayError, HirWrite, ModuleDef,
     ModuleDefId, Semantics,
 };
-use ide_db::text_edit::TextEdit;
 use ide_db::{famous_defs::FamousDefs, FileRange, RootDatabase};
+use ide_db::{text_edit::TextEdit, FxHashSet};
 use itertools::Itertools;
 use smallvec::{smallvec, SmallVec};
 use span::{Edition, EditionedFileId};
@@ -289,6 +289,16 @@ pub struct InlayFieldsToResolve {
 }
 
 impl InlayFieldsToResolve {
+    pub fn from_client_capabilities(client_capability_fields: &FxHashSet<&str>) -> Self {
+        Self {
+            resolve_text_edits: client_capability_fields.contains("textEdits"),
+            resolve_hint_tooltip: client_capability_fields.contains("tooltip"),
+            resolve_label_tooltip: client_capability_fields.contains("label.tooltip"),
+            resolve_label_location: client_capability_fields.contains("label.location"),
+            resolve_label_command: client_capability_fields.contains("label.command"),
+        }
+    }
+
     pub const fn empty() -> Self {
         Self {
             resolve_text_edits: false,
diff --git a/src/tools/rust-analyzer/crates/rust-analyzer/src/config.rs b/src/tools/rust-analyzer/crates/rust-analyzer/src/config.rs
index 37d45255e29..152ce2944a0 100644
--- a/src/tools/rust-analyzer/crates/rust-analyzer/src/config.rs
+++ b/src/tools/rust-analyzer/crates/rust-analyzer/src/config.rs
@@ -1446,15 +1446,9 @@ impl Config {
             limit: self.completion_limit(source_root).to_owned(),
             enable_term_search: self.completion_termSearch_enable(source_root).to_owned(),
             term_search_fuel: self.completion_termSearch_fuel(source_root).to_owned() as u64,
-            fields_to_resolve: CompletionFieldsToResolve {
-                resolve_label_details: client_capability_fields.contains("labelDetails"),
-                resolve_tags: client_capability_fields.contains("tags"),
-                resolve_detail: client_capability_fields.contains("detail"),
-                resolve_documentation: client_capability_fields.contains("documentation"),
-                resolve_filter_text: client_capability_fields.contains("filterText"),
-                resolve_text_edit: client_capability_fields.contains("textEdit"),
-                resolve_command: client_capability_fields.contains("command"),
-            },
+            fields_to_resolve: CompletionFieldsToResolve::from_client_capabilities(
+                &client_capability_fields,
+            ),
         }
     }
 
@@ -1614,13 +1608,9 @@ impl Config {
             } else {
                 None
             },
-            fields_to_resolve: InlayFieldsToResolve {
-                resolve_text_edits: client_capability_fields.contains("textEdits"),
-                resolve_hint_tooltip: client_capability_fields.contains("tooltip"),
-                resolve_label_tooltip: client_capability_fields.contains("label.tooltip"),
-                resolve_label_location: client_capability_fields.contains("label.location"),
-                resolve_label_command: client_capability_fields.contains("label.command"),
-            },
+            fields_to_resolve: InlayFieldsToResolve::from_client_capabilities(
+                &client_capability_fields,
+            ),
             implicit_drop_hints: self.inlayHints_implicitDrops_enable().to_owned(),
             range_exclusive_hints: self.inlayHints_rangeExclusiveHints_enable().to_owned(),
         }
diff --git a/src/tools/rust-analyzer/crates/rust-analyzer/src/lsp/capabilities.rs b/src/tools/rust-analyzer/crates/rust-analyzer/src/lsp/capabilities.rs
index 1db616898e8..bd496e8ddc3 100644
--- a/src/tools/rust-analyzer/crates/rust-analyzer/src/lsp/capabilities.rs
+++ b/src/tools/rust-analyzer/crates/rust-analyzer/src/lsp/capabilities.rs
@@ -1,4 +1,5 @@
 //! Advertises the capabilities of the LSP Server.
+use ide::{CompletionFieldsToResolve, InlayFieldsToResolve};
 use ide_db::{line_index::WideEncoding, FxHashSet};
 use lsp_types::{
     CallHierarchyServerCapability, CodeActionKind, CodeActionOptions, CodeActionProviderCapability,
@@ -40,7 +41,7 @@ pub fn server_capabilities(config: &Config) -> ServerCapabilities {
         })),
         hover_provider: Some(HoverProviderCapability::Simple(true)),
         completion_provider: Some(CompletionOptions {
-            resolve_provider: config.caps().completions_resolve_provider(),
+            resolve_provider: Some(config.caps().completions_resolve_provider()),
             trigger_characters: Some(vec![
                 ":".to_owned(),
                 ".".to_owned(),
@@ -136,7 +137,7 @@ pub fn server_capabilities(config: &Config) -> ServerCapabilities {
         inlay_hint_provider: Some(OneOf::Right(InlayHintServerCapabilities::Options(
             InlayHintOptions {
                 work_done_progress_options: Default::default(),
-                resolve_provider: Some(true),
+                resolve_provider: Some(config.caps().inlay_hints_resolve_provider()),
             },
         ))),
         inline_value_provider: None,
@@ -176,8 +177,18 @@ impl ClientCapabilities {
         Self(caps)
     }
 
-    fn completions_resolve_provider(&self) -> Option<bool> {
-        self.completion_item_edit_resolve().then_some(true)
+    fn completions_resolve_provider(&self) -> bool {
+        let client_capabilities = self.completion_resolve_support_properties();
+        let fields_to_resolve =
+            CompletionFieldsToResolve::from_client_capabilities(&client_capabilities);
+        fields_to_resolve != CompletionFieldsToResolve::empty()
+    }
+
+    fn inlay_hints_resolve_provider(&self) -> bool {
+        let client_capabilities = self.inlay_hint_resolve_support_properties();
+        let fields_to_resolve =
+            InlayFieldsToResolve::from_client_capabilities(&client_capabilities);
+        fields_to_resolve != InlayFieldsToResolve::empty()
     }
 
     fn experimental_bool(&self, index: &'static str) -> bool {