Merge pull request rust-lang#4559 from nia-e/zed-config

Add Zed editor config

Author: RalfJung

src/tools/miri/CONTRIBUTING.md

@@ -255,6 +255,12 @@ when installing the Miri toolchain. Alternatively, set the `RUSTUP_TOOLCHAIN` en
 
 [`etc/rust_analyzer_helix.toml`]: https://github.com/rust-lang/miri/blob/master/etc/rust_analyzer_helix.toml
 
+### Zed
+
+Copy [`etc/rust_analyzer_zed.json`] to `.zed/settings.json` in the project root directory.
+
+[`etc/rust_analyzer_zed.json`]: https://github.com/rust-lang/miri/blob/master/etc/rust_analyzer_zed.json
+
 ### Advanced configuration
 
 If you are building Miri with a locally built rustc, set

src/tools/miri/etc/rust_analyzer_zed.json

@@ -0,0 +1,41 @@
+{
+    "lsp": {
+        "rust-analyzer": {
+            "initialization_options": {
+                "rustc": {
+                    "source": "discover"
+                },
+                "linkedProjects": [
+                    "./Cargo.toml",
+                    "./cargo-miri/Cargo.toml",
+                    "./genmc-sys/Cargo.toml",
+                    "./miri-script/Cargo.toml"
+                ],
+                "check": {
+                    "invocationStrategy": "once",
+                    "overrideCommand": [
+                        "./miri",
+                        "clippy", // make this `check` when working with a locally built rustc
+                        "--message-format=json"
+                    ]
+                },
+                "cargo": {
+                    "extraEnv": {
+                        "MIRI_AUTO_OPS": "no",
+                        "MIRI_IN_RA": "1"
+                    },
+                    // Contrary to what the name suggests, this also affects proc macros.
+                    "buildScripts": {
+                        "invocationStrategy": "once",
+                        "overrideCommand": [
+                            "./miri",
+                            "check",
+                            "--no-default-features",
+                            "--message-format=json"
+                        ]
+                    }
+                }
+            }
+        }
+    }
+}