Make borrow checking configurable for term search

Author: kilpkonn

crates/ide-assists/src/assist_config.rs

@@ -17,4 +17,5 @@ pub struct AssistConfig {
     pub prefer_prelude: bool,
     pub assist_emit_must_use: bool,
     pub term_search_fuel: u64,
+    pub term_search_borrowck: bool,
 }

crates/ide-assists/src/handlers/term_search.rs

@@ -37,7 +37,11 @@ pub(crate) fn term_search(acc: &mut Assists, ctx: &AssistContext<'_>) -> Option<
         sema: &ctx.sema,
         scope: &scope,
         goal: target_ty,
-        config: TermSearchConfig { fuel: ctx.config.term_search_fuel, ..Default::default() },
+        config: TermSearchConfig {
+            fuel: ctx.config.term_search_fuel,
+            enable_borrowcheck: ctx.config.term_search_borrowck,
+            ..Default::default()
+        },
     };
     let paths = hir::term_search::term_search(&term_search_ctx);
 

crates/ide-assists/src/tests.rs

@@ -32,6 +32,7 @@ pub(crate) const TEST_CONFIG: AssistConfig = AssistConfig {
     prefer_prelude: true,
     assist_emit_must_use: false,
     term_search_fuel: 400,
+    term_search_borrowck: true,
 };
 
 pub(crate) const TEST_CONFIG_NO_SNIPPET_CAP: AssistConfig = AssistConfig {
@@ -48,6 +49,7 @@ pub(crate) const TEST_CONFIG_NO_SNIPPET_CAP: AssistConfig = AssistConfig {
     prefer_prelude: true,
     assist_emit_must_use: false,
     term_search_fuel: 400,
+    term_search_borrowck: true,
 };
 
 pub(crate) const TEST_CONFIG_IMPORT_ONE: AssistConfig = AssistConfig {
@@ -64,6 +66,7 @@ pub(crate) const TEST_CONFIG_IMPORT_ONE: AssistConfig = AssistConfig {
     prefer_prelude: true,
     assist_emit_must_use: false,
     term_search_fuel: 400,
+    term_search_borrowck: true,
 };
 
 pub(crate) fn with_single_file(text: &str) -> (RootDatabase, FileId) {

crates/ide-diagnostics/src/handlers/typed_hole.rs

@@ -47,7 +47,12 @@ fn fixes(ctx: &DiagnosticsContext<'_>, d: &hir::TypedHole) -> Option<Vec<Assist>
         sema: &ctx.sema,
         scope: &scope,
         goal: d.expected.clone(),
-        config: TermSearchConfig { fuel: ctx.config.term_search_fuel, ..Default::default() },
+        config: TermSearchConfig {
+            fuel: ctx.config.term_search_fuel,
+            enable_borrowcheck: ctx.config.term_search_borrowck,
+
+            ..Default::default()
+        },
     };
     let paths = term_search(&term_search_ctx);
 

crates/ide-diagnostics/src/lib.rs

@@ -234,6 +234,7 @@ pub struct DiagnosticsConfig {
     pub prefer_no_std: bool,
     pub prefer_prelude: bool,
     pub term_search_fuel: u64,
+    pub term_search_borrowck: bool,
 }
 
 impl DiagnosticsConfig {
@@ -260,6 +261,7 @@ impl DiagnosticsConfig {
             prefer_no_std: false,
             prefer_prelude: true,
             term_search_fuel: 400,
+            term_search_borrowck: true,
         }
     }
 }

crates/rust-analyzer/src/cli/analysis_stats.rs

@@ -994,6 +994,7 @@ impl flags::AnalysisStats {
                     prefer_prelude: true,
                     style_lints: false,
                     term_search_fuel: 400,
+                    term_search_borrowck: true,
                 },
                 ide::AssistResolveStrategy::All,
                 file_id,

crates/rust-analyzer/src/config.rs

@@ -341,6 +341,8 @@ config_data! {
         assist_emitMustUse: bool               = false,
         /// Placeholder expression to use for missing expressions in assists.
         assist_expressionFillDefault: ExprFillDefaultDef              = ExprFillDefaultDef::Todo,
+        /// Enable borrow checking for term search code assists. If set to false, also there will be more suggestions, but some of them may not borrow-check.
+        assist_termSearch_borrowcheck: bool = true,
         /// Term search fuel in "units of work" for assists (Defaults to 1800).
         assist_termSearch_fuel: usize = 1800,
 
@@ -1269,6 +1271,7 @@ impl Config {
             assist_emit_must_use: self.assist_emitMustUse(source_root).to_owned(),
             prefer_prelude: self.imports_preferPrelude(source_root).to_owned(),
             term_search_fuel: self.assist_termSearch_fuel(source_root).to_owned() as u64,
+            term_search_borrowck: self.assist_termSearch_borrowcheck(source_root).to_owned(),
         }
     }
 
@@ -1328,6 +1331,7 @@ impl Config {
             prefer_prelude: self.imports_preferPrelude(source_root).to_owned(),
             style_lints: self.diagnostics_styleLints_enable().to_owned(),
             term_search_fuel: self.assist_termSearch_fuel(source_root).to_owned() as u64,
+            term_search_borrowck: self.assist_termSearch_borrowcheck(source_root).to_owned(),
         }
     }
     pub fn expand_proc_attr_macros(&self) -> bool {

crates/rust-analyzer/src/integrated_benchmarks.rs

@@ -300,6 +300,7 @@ fn integrated_diagnostics_benchmark() {
         prefer_no_std: false,
         prefer_prelude: false,
         term_search_fuel: 400,
+        term_search_borrowck: true,
     };
     host.analysis()
         .diagnostics(&diagnostics_config, ide::AssistResolveStrategy::None, file_id)

docs/user/generated_config.adoc

@@ -9,6 +9,11 @@ for enum variants.
 --
 Placeholder expression to use for missing expressions in assists.
 --
+[[rust-analyzer.assist.termSearch.borrowcheck]]rust-analyzer.assist.termSearch.borrowcheck (default: `true`)::
++
+--
+Enable borrow checking for term search code assists. If set to false, also there will be more suggestions, but some of them may not borrow-check.
+--
 [[rust-analyzer.assist.termSearch.fuel]]rust-analyzer.assist.termSearch.fuel (default: `1800`)::
 +
 --

editors/code/package.json

@@ -588,6 +588,16 @@
                     }
                 }
             },
+            {
+                "title": "assist",
+                "properties": {
+                    "rust-analyzer.assist.termSearch.borrowcheck": {
+                        "markdownDescription": "Enable borrow checking for term search code assists. If set to false, also there will be more suggestions, but some of them may not borrow-check.",
+                        "default": true,
+                        "type": "boolean"
+                    }
+                }
+            },
             {
                 "title": "assist",
                 "properties": {