Merge #3681

3681: Only include machine-applicable suggestions r=kiljacken a=lnicola

Fixes #3676
Fixes #3633
Fixes #3391 

r? @kiljacken

Co-authored-by: Laurențiu Nicola <[email protected]>

Author: bors[bot]

crates/ra_cargo_watch/src/conv.rs

@@ -1,7 +1,8 @@
 //! This module provides the functionality needed to convert diagnostics from
 //! `cargo check` json format to the LSP diagnostic format.
 use cargo_metadata::diagnostic::{
-    Diagnostic as RustDiagnostic, DiagnosticLevel, DiagnosticSpan, DiagnosticSpanMacroExpansion,
+    Applicability, Diagnostic as RustDiagnostic, DiagnosticLevel, DiagnosticSpan,
+    DiagnosticSpanMacroExpansion,
 };
 use lsp_types::{
     CodeAction, Diagnostic, DiagnosticRelatedInformation, DiagnosticSeverity, DiagnosticTag,
@@ -136,10 +137,13 @@ fn map_rust_child_diagnostic(
 
     let mut edit_map: HashMap<Url, Vec<TextEdit>> = HashMap::new();
     for &span in &spans {
-        if let Some(suggested_replacement) = &span.suggested_replacement {
-            let location = map_span_to_location(span, workspace_root);
-            let edit = TextEdit::new(location.range, suggested_replacement.clone());
-            edit_map.entry(location.uri).or_default().push(edit);
+        match (&span.suggestion_applicability, &span.suggested_replacement) {
+            (Some(Applicability::MachineApplicable), Some(suggested_replacement)) => {
+                let location = map_span_to_location(span, workspace_root);
+                let edit = TextEdit::new(location.range, suggested_replacement.clone());
+                edit_map.entry(location.uri).or_default().push(edit);
+            }
+            _ => {}
         }
     }
 

crates/ra_cargo_watch/src/conv/snapshots/ra_cargo_watch__conv__test__snap_clippy_pass_by_ref.snap

@@ -58,44 +58,26 @@ expression: diag
                         },
                         message: "lint level defined here",
                     },
+                    DiagnosticRelatedInformation {
+                        location: Location {
+                            uri: "file:///test/compiler/mir/tagset.rs",
+                            range: Range {
+                                start: Position {
+                                    line: 41,
+                                    character: 23,
+                                },
+                                end: Position {
+                                    line: 41,
+                                    character: 28,
+                                },
+                            },
+                        },
+                        message: "consider passing by value instead",
+                    },
                 ],
             ),
             tags: None,
         },
-        fixes: [
-            CodeAction {
-                title: "consider passing by value instead",
-                kind: Some(
-                    "quickfix",
-                ),
-                diagnostics: None,
-                edit: Some(
-                    WorkspaceEdit {
-                        changes: Some(
-                            {
-                                "file:///test/compiler/mir/tagset.rs": [
-                                    TextEdit {
-                                        range: Range {
-                                            start: Position {
-                                                line: 41,
-                                                character: 23,
-                                            },
-                                            end: Position {
-                                                line: 41,
-                                                character: 28,
-                                            },
-                                        },
-                                        new_text: "self",
-                                    },
-                                ],
-                            },
-                        ),
-                        document_changes: None,
-                    },
-                ),
-                command: None,
-                is_preferred: None,
-            },
-        ],
+        fixes: [],
     },
 ]