:arrow_up: rust-analyzer

Merge commit '368e0bb32f1178cf162c2ce5f7e10b7ae211eb26'

8 files changed, 514 insertions, 313 deletions

diff --git a/src/tools/rust-analyzer/editors/code/package-lock.json b/src/tools/rust-analyzer/editors/code/package-lock.json
index 0b25564e28d..4844837a06f 100644
--- a/src/tools/rust-analyzer/editors/code/package-lock.json
+++ b/src/tools/rust-analyzer/editors/code/package-lock.json
@@ -9,8 +9,9 @@
             "version": "0.5.0-dev",
             "license": "MIT OR Apache-2.0",
             "dependencies": {
+                "anser": "^2.1.1",
                 "d3": "^7.6.1",
-                "d3-graphviz": "^4.1.1",
+                "d3-graphviz": "^5.0.2",
                 "vscode-languageclient": "^8.0.2"
             },
             "devDependencies": {
@@ -54,14 +55,14 @@
             }
         },
         "node_modules/@hpcc-js/wasm": {
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-            "resolved": "https://registry.npmjs.org/@hpcc-js/wasm/-/wasm-1.12.8.tgz",
-            "integrity": "sha512-n4q9ARKco2hpCLsuVaW6Az3cDVaua7B3DSONHkc49WtEzgY/btvcDG5Zr1P6PZDv0sQ7oPnAi9Y+W2DI++MgcQ==",
+            "version": "2.5.0",
+            "resolved": "https://registry.npmjs.org/@hpcc-js/wasm/-/wasm-2.5.0.tgz",
+            "integrity": "sha512-G26BamgaHW46f6P8bmkygapgNcy+tTDMwIvCzmMzdp39sxUS1u4gaT/vR2SSDc4x3SfL5RE4B2B8ef/wd429Hg==",
             "dependencies": {
-                "yargs": "^17.3.1"
+                "yargs": "17.6.2"
             },
             "bin": {
-                "dot-wasm": "bin/cli.js"
+                "dot-wasm": "bin/dot-wasm.js"
             }
         },
         "node_modules/@humanwhocodes/config-array": {
@@ -394,6 +395,11 @@
                 "url": "https://github.com/sponsors/epoberezkin"
             }
         },
+        "node_modules/anser": {
+            "version": "2.1.1",
+            "resolved": "https://registry.npmjs.org/anser/-/anser-2.1.1.tgz",
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         "node_modules/ansi-regex": {
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             "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-5.0.1.tgz",
@@ -698,13 +704,16 @@
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-            "resolved": "https://registry.npmjs.org/cliui/-/cliui-7.0.4.tgz",
-            "integrity": "sha512-OcRE68cOsVMXp1Yvonl/fzkQOyjLSu/8bhPDfQt0e0/Eb283TKP20Fs2MqoPsr9SwA595rRCA+QMzYc9nBP+JQ==",
+            "version": "8.0.1",
+            "resolved": "https://registry.npmjs.org/cliui/-/cliui-8.0.1.tgz",
+            "integrity": "sha512-BSeNnyus75C4//NQ9gQt1/csTXyo/8Sb+afLAkzAptFuMsod9HFokGNudZpi/oQV73hnVK+sR+5PVRMd+Dr7YQ==",
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-                "strip-ansi": "^6.0.0",
+                "strip-ansi": "^6.0.1",
                 "wrap-ansi": "^7.0.0"
+            },
+            "engines": {
+                "node": ">=12"
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         "node_modules/color-convert": {
@@ -876,14 +885,6 @@
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-        "node_modules/d3-brush/node_modules/d3-selection": {
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-            "resolved": "https://registry.npmjs.org/d3-selection/-/d3-selection-3.0.0.tgz",
-            "integrity": "sha512-fmTRWbNMmsmWq6xJV8D19U/gw/bwrHfNXxrIN+HfZgnzqTHp9jOmKMhsTUjXOJnZOdZY9Q28y4yebKzqDKlxlQ==",
-            "engines": {
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-        },
         "node_modules/d3-chord": {
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@@ -945,14 +946,6 @@
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-            "resolved": "https://registry.npmjs.org/d3-selection/-/d3-selection-3.0.0.tgz",
-            "integrity": "sha512-fmTRWbNMmsmWq6xJV8D19U/gw/bwrHfNXxrIN+HfZgnzqTHp9jOmKMhsTUjXOJnZOdZY9Q28y4yebKzqDKlxlQ==",
-            "engines": {
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         "node_modules/d3-dsv": {
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             "resolved": "https://registry.npmjs.org/d3-dsv/-/d3-dsv-3.0.1.tgz",
@@ -1029,95 +1022,24 @@
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-            "dependencies": {
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-                "d3-dispatch": "^2.0.0",
-                "d3-format": "^2.0.0",
-                "d3-interpolate": "^2.0.1",
-                "d3-path": "^2.0.0",
-                "d3-timer": "^2.0.0",
-                "d3-transition": "^2.0.0",
-                "d3-zoom": "^2.0.0"
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-                "d3-dispatch": "1 - 2",
-                "d3-ease": "1 - 2",
-                "d3-interpolate": "1 - 2",
-                "d3-timer": "1 - 2"
+                "@hpcc-js/wasm": "2.5.0",
+                "d3-dispatch": "^3.0.1",
+                "d3-format": "^3.1.0",
+                "d3-interpolate": "^3.0.1",
+                "d3-path": "^3.1.0",
+                "d3-timer": "^3.0.1",
+                "d3-transition": "^3.0.1",
+                "d3-zoom": "^3.0.0"
+            },
+            "engines": {
+                "node": ">=14"
             },
             "peerDependencies": {
-                "d3-selection": "2"
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-        },
-        "node_modules/d3-graphviz/node_modules/d3-zoom": {
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-            "resolved": "https://registry.npmjs.org/d3-zoom/-/d3-zoom-2.0.0.tgz",
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-            "dependencies": {
-                "d3-dispatch": "1 - 2",
-                "d3-drag": "2",
-                "d3-interpolate": "1 - 2",
-                "d3-selection": "2",
-                "d3-transition": "2"
+                "d3-selection": "^3.0.0"
             }
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         "node_modules/d3-hierarchy": {
@@ -1140,9 +1062,9 @@
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-            "resolved": "https://registry.npmjs.org/d3-path/-/d3-path-3.0.1.tgz",
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@@ -1199,9 +1121,12 @@
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+            "engines": {
+                "node": ">=12"
+            }
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         "node_modules/d3-shape": {
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@@ -1277,14 +1202,6 @@
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@@ -3907,26 +3824,26 @@
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+            "resolved": "https://registry.npmjs.org/yargs/-/yargs-17.6.2.tgz",
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+                "cliui": "^8.0.1",
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                 "require-directory": "^2.1.1",
                 "string-width": "^4.2.3",
                 "y18n": "^5.0.5",
-                "yargs-parser": "^21.0.0"
+                "yargs-parser": "^21.1.1"
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+            "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-21.1.1.tgz",
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@@ -3970,11 +3887,11 @@
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+            "resolved": "https://registry.npmjs.org/@hpcc-js/wasm/-/wasm-2.5.0.tgz",
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+                "yargs": "17.6.2"
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         "@humanwhocodes/config-array": {
@@ -4185,6 +4102,11 @@
                 "uri-js": "^4.2.2"
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+        "anser": {
+            "version": "2.1.1",
+            "resolved": "https://registry.npmjs.org/anser/-/anser-2.1.1.tgz",
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@@ -4406,12 +4328,12 @@
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@@ -4518,13 +4440,6 @@
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@@ -4550,13 +4465,6 @@
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@@ -4600,13 +4508,6 @@
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@@ -4656,91 +4557,18 @@
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-                    "resolved": "https://registry.npmjs.org/d3-color/-/d3-color-2.0.0.tgz",
-                    "integrity": "sha512-SPXi0TSKPD4g9tw0NMZFnR95XVgUZiBH+uUTqQuDu1OsE2zomHU7ho0FISciaPvosimixwHFl3WHLGabv6dDgQ=="
-                },
-                "d3-dispatch": {
-                    "version": "2.0.0",
-                    "resolved": "https://registry.npmjs.org/d3-dispatch/-/d3-dispatch-2.0.0.tgz",
-                    "integrity": "sha512-S/m2VsXI7gAti2pBoLClFFTMOO1HTtT0j99AuXLoGFKO6deHDdnv6ZGTxSTTUTgO1zVcv82fCOtDjYK4EECmWA=="
-                },
-                "d3-drag": {
-                    "version": "2.0.0",
-                    "resolved": "https://registry.npmjs.org/d3-drag/-/d3-drag-2.0.0.tgz",
-                    "integrity": "sha512-g9y9WbMnF5uqB9qKqwIIa/921RYWzlUDv9Jl1/yONQwxbOfszAWTCm8u7HOTgJgRDXiRZN56cHT9pd24dmXs8w==",
-                    "requires": {
-                        "d3-dispatch": "1 - 2",
-                        "d3-selection": "2"
-                    }
-                },
-                "d3-ease": {
-                    "version": "2.0.0",
-                    "resolved": "https://registry.npmjs.org/d3-ease/-/d3-ease-2.0.0.tgz",
-                    "integrity": "sha512-68/n9JWarxXkOWMshcT5IcjbB+agblQUaIsbnXmrzejn2O82n3p2A9R2zEB9HIEFWKFwPAEDDN8gR0VdSAyyAQ=="
-                },
-                "d3-format": {
-                    "version": "2.0.0",
-                    "resolved": "https://registry.npmjs.org/d3-format/-/d3-format-2.0.0.tgz",
-                    "integrity": "sha512-Ab3S6XuE/Q+flY96HXT0jOXcM4EAClYFnRGY5zsjRGNy6qCYrQsMffs7cV5Q9xejb35zxW5hf/guKw34kvIKsA=="
-                },
-                "d3-interpolate": {
-                    "version": "2.0.1",
-                    "resolved": "https://registry.npmjs.org/d3-interpolate/-/d3-interpolate-2.0.1.tgz",
-                    "integrity": "sha512-c5UhwwTs/yybcmTpAVqwSFl6vrQ8JZJoT5F7xNFK9pymv5C0Ymcc9/LIJHtYIggg/yS9YHw8i8O8tgb9pupjeQ==",
-                    "requires": {
-                        "d3-color": "1 - 2"
-                    }
-                },
-                "d3-path": {
-                    "version": "2.0.0",
-                    "resolved": "https://registry.npmjs.org/d3-path/-/d3-path-2.0.0.tgz",
-                    "integrity": "sha512-ZwZQxKhBnv9yHaiWd6ZU4x5BtCQ7pXszEV9CU6kRgwIQVQGLMv1oiL4M+MK/n79sYzsj+gcgpPQSctJUsLN7fA=="
-                },
-                "d3-timer": {
-                    "version": "2.0.0",
-                    "resolved": "https://registry.npmjs.org/d3-timer/-/d3-timer-2.0.0.tgz",
-                    "integrity": "sha512-TO4VLh0/420Y/9dO3+f9abDEFYeCUr2WZRlxJvbp4HPTQcSylXNiL6yZa9FIUvV1yRiFufl1bszTCLDqv9PWNA=="
-                },
-                "d3-transition": {
-                    "version": "2.0.0",
-                    "resolved": "https://registry.npmjs.org/d3-transition/-/d3-transition-2.0.0.tgz",
-                    "integrity": "sha512-42ltAGgJesfQE3u9LuuBHNbGrI/AJjNL2OAUdclE70UE6Vy239GCBEYD38uBPoLeNsOhFStGpPI0BAOV+HMxog==",
-                    "requires": {
-                        "d3-color": "1 - 2",
-                        "d3-dispatch": "1 - 2",
-                        "d3-ease": "1 - 2",
-                        "d3-interpolate": "1 - 2",
-                        "d3-timer": "1 - 2"
-                    }
-                },
-                "d3-zoom": {
-                    "version": "2.0.0",
-                    "resolved": "https://registry.npmjs.org/d3-zoom/-/d3-zoom-2.0.0.tgz",
-                    "integrity": "sha512-fFg7aoaEm9/jf+qfstak0IYpnesZLiMX6GZvXtUSdv8RH2o4E2qeelgdU09eKS6wGuiGMfcnMI0nTIqWzRHGpw==",
-                    "requires": {
-                        "d3-dispatch": "1 - 2",
-                        "d3-drag": "2",
-                        "d3-interpolate": "1 - 2",
-                        "d3-selection": "2",
-                        "d3-transition": "2"
-                    }
-                }
+            "version": "5.0.2",
+            "resolved": "https://registry.npmjs.org/d3-graphviz/-/d3-graphviz-5.0.2.tgz",
+            "integrity": "sha512-EVRow9rnFgm/L1trbbnu2PGOND11IcSEdWXbrDbz9hH0/Kj3YM2AqMkkTN/EAWgawD5/zryyCy+3Vm05oSJ1Kg==",
+            "requires": {
+                "@hpcc-js/wasm": "2.5.0",
+                "d3-dispatch": "^3.0.1",
+                "d3-format": "^3.1.0",
+                "d3-interpolate": "^3.0.1",
+                "d3-path": "^3.1.0",
+                "d3-timer": "^3.0.1",
+                "d3-transition": "^3.0.1",
+                "d3-zoom": "^3.0.0"
             }
         },
         "d3-hierarchy": {
@@ -4757,9 +4585,9 @@
             }
         },
         "d3-path": {
-            "version": "3.0.1",
-            "resolved": "https://registry.npmjs.org/d3-path/-/d3-path-3.0.1.tgz",
-            "integrity": "sha512-gq6gZom9AFZby0YLduxT1qmrp4xpBA1YZr19OI717WIdKE2OM5ETq5qrHLb301IgxhLwcuxvGZVLeeWc/k1I6w=="
+            "version": "3.1.0",
+            "resolved": "https://registry.npmjs.org/d3-path/-/d3-path-3.1.0.tgz",
+            "integrity": "sha512-p3KP5HCf/bvjBSSKuXid6Zqijx7wIfNW+J/maPs+iwR35at5JCbLUT0LzF1cnjbCHWhqzQTIN2Jpe8pRebIEFQ=="
         },
         "d3-polygon": {
             "version": "3.0.1",
@@ -4798,9 +4626,9 @@
             }
         },
         "d3-selection": {
-            "version": "2.0.0",
-            "resolved": "https://registry.npmjs.org/d3-selection/-/d3-selection-2.0.0.tgz",
-            "integrity": "sha512-XoGGqhLUN/W14NmaqcO/bb1nqjDAw5WtSYb2X8wiuQWvSZUsUVYsOSkOybUrNvcBjaywBdYPy03eXHMXjk9nZA=="
+            "version": "3.0.0",
+            "resolved": "https://registry.npmjs.org/d3-selection/-/d3-selection-3.0.0.tgz",
+            "integrity": "sha512-fmTRWbNMmsmWq6xJV8D19U/gw/bwrHfNXxrIN+HfZgnzqTHp9jOmKMhsTUjXOJnZOdZY9Q28y4yebKzqDKlxlQ=="
         },
         "d3-shape": {
             "version": "3.1.0",
@@ -6720,23 +6548,23 @@
             "integrity": "sha512-3wdGidZyq5PB084XLES5TpOSRA3wjXAlIWMhum2kRcv/41Sn2emQ0dycQW4uZXLejwKvg6EsvbdlVL+FYEct7A=="
         },
         "yargs": {
-            "version": "17.5.1",
-            "resolved": "https://registry.npmjs.org/yargs/-/yargs-17.5.1.tgz",
-            "integrity": "sha512-t6YAJcxDkNX7NFYiVtKvWUz8l+PaKTLiL63mJYWR2GnHq2gjEWISzsLp9wg3aY36dY1j+gfIEL3pIF+XlJJfbA==",
+            "version": "17.6.2",
+            "resolved": "https://registry.npmjs.org/yargs/-/yargs-17.6.2.tgz",
+            "integrity": "sha512-1/9UrdHjDZc0eOU0HxOHoS78C69UD3JRMvzlJ7S79S2nTaWRA/whGCTV8o9e/N/1Va9YIV7Q4sOxD8VV4pCWOw==",
             "requires": {
-                "cliui": "^7.0.2",
+                "cliui": "^8.0.1",
                 "escalade": "^3.1.1",
                 "get-caller-file": "^2.0.5",
                 "require-directory": "^2.1.1",
                 "string-width": "^4.2.3",
                 "y18n": "^5.0.5",
-                "yargs-parser": "^21.0.0"
+                "yargs-parser": "^21.1.1"
             }
         },
         "yargs-parser": {
-            "version": "21.0.1",
-            "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-21.0.1.tgz",
-            "integrity": "sha512-9BK1jFpLzJROCI5TzwZL/TU4gqjK5xiHV/RfWLOahrjAko/e4DJkRDZQXfvqAsiZzzYhgAzbgz6lg48jcm4GLg=="
+            "version": "21.1.1",
+            "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-21.1.1.tgz",
+            "integrity": "sha512-tVpsJW7DdjecAiFpbIB1e3qxIQsE6NoPc5/eTdrbbIC4h0LVsWhnoa3g+m2HclBIujHzsxZ4VJVA+GUuc2/LBw=="
         },
         "yauzl": {
             "version": "2.10.0",
diff --git a/src/tools/rust-analyzer/editors/code/package.json b/src/tools/rust-analyzer/editors/code/package.json
index c4d4e428ea0..930564bd7ca 100644
--- a/src/tools/rust-analyzer/editors/code/package.json
+++ b/src/tools/rust-analyzer/editors/code/package.json
@@ -35,8 +35,9 @@
         "test": "cross-env TEST_VARIABLE=test node ./out/tests/runTests.js"
     },
     "dependencies": {
+        "anser": "^2.1.1",
         "d3": "^7.6.1",
-        "d3-graphviz": "^4.1.1",
+        "d3-graphviz": "^5.0.2",
         "vscode-languageclient": "^8.0.2"
     },
     "devDependencies": {
@@ -246,6 +247,16 @@
                 "command": "rust-analyzer.cancelFlycheck",
                 "title": "Cancel running flychecks",
                 "category": "rust-analyzer"
+            },
+            {
+                "command": "rust-analyzer.runFlycheck",
+                "title": "Run flycheck",
+                "category": "rust-analyzer"
+            },
+            {
+                "command": "rust-analyzer.clearFlycheck",
+                "title": "Clear flycheck diagnostics",
+                "category": "rust-analyzer"
             }
         ],
         "keybindings": [
@@ -401,6 +412,11 @@
                     "default": false,
                     "type": "boolean"
                 },
+                "rust-analyzer.diagnostics.useRustcErrorCode": {
+                    "markdownDescription": "Whether to use the rustc error code.",
+                    "default": false,
+                    "type": "boolean"
+                },
                 "$generated-start": {},
                 "rust-analyzer.assist.emitMustUse": {
                     "markdownDescription": "Whether to insert #[must_use] when generating `as_` methods\nfor enum variants.",
@@ -541,22 +557,22 @@
                         "type": "string"
                     }
                 },
-                "rust-analyzer.checkOnSave.allTargets": {
+                "rust-analyzer.checkOnSave": {
+                    "markdownDescription": "Run the check command for diagnostics on save.",
+                    "default": true,
+                    "type": "boolean"
+                },
+                "rust-analyzer.check.allTargets": {
                     "markdownDescription": "Check all targets and tests (`--all-targets`).",
                     "default": true,
                     "type": "boolean"
                 },
-                "rust-analyzer.checkOnSave.command": {
+                "rust-analyzer.check.command": {
                     "markdownDescription": "Cargo command to use for `cargo check`.",
                     "default": "check",
                     "type": "string"
                 },
-                "rust-analyzer.checkOnSave.enable": {
-                    "markdownDescription": "Run specified `cargo check` command for diagnostics on save.",
-                    "default": true,
-                    "type": "boolean"
-                },
-                "rust-analyzer.checkOnSave.extraArgs": {
+                "rust-analyzer.check.extraArgs": {
                     "markdownDescription": "Extra arguments for `cargo check`.",
                     "default": [],
                     "type": "array",
@@ -564,12 +580,12 @@
                         "type": "string"
                     }
                 },
-                "rust-analyzer.checkOnSave.extraEnv": {
+                "rust-analyzer.check.extraEnv": {
                     "markdownDescription": "Extra environment variables that will be set when running `cargo check`.\nExtends `#rust-analyzer.cargo.extraEnv#`.",
                     "default": {},
                     "type": "object"
                 },
-                "rust-analyzer.checkOnSave.features": {
+                "rust-analyzer.check.features": {
                     "markdownDescription": "List of features to activate. Defaults to\n`#rust-analyzer.cargo.features#`.\n\nSet to `\"all\"` to pass `--all-features` to Cargo.",
                     "default": null,
                     "anyOf": [
@@ -593,7 +609,7 @@
                         }
                     ]
                 },
-                "rust-analyzer.checkOnSave.invocationLocation": {
+                "rust-analyzer.check.invocationLocation": {
                     "markdownDescription": "Specifies the working directory for running checks.\n- \"workspace\": run checks for workspaces in the corresponding workspaces' root directories.\n    This falls back to \"root\" if `#rust-analyzer.cargo.checkOnSave.invocationStrategy#` is set to `once`.\n- \"root\": run checks in the project's root directory.\nThis config only has an effect when `#rust-analyzer.cargo.buildScripts.overrideCommand#`\nis set.",
                     "default": "workspace",
                     "type": "string",
@@ -606,7 +622,7 @@
                         "The command will be executed in the project root."
                     ]
                 },
-                "rust-analyzer.checkOnSave.invocationStrategy": {
+                "rust-analyzer.check.invocationStrategy": {
                     "markdownDescription": "Specifies the invocation strategy to use when running the checkOnSave command.\nIf `per_workspace` is set, the command will be executed for each workspace.\nIf `once` is set, the command will be executed once.\nThis config only has an effect when `#rust-analyzer.cargo.buildScripts.overrideCommand#`\nis set.",
                     "default": "per_workspace",
                     "type": "string",
@@ -619,7 +635,7 @@
                         "The command will be executed once."
                     ]
                 },
-                "rust-analyzer.checkOnSave.noDefaultFeatures": {
+                "rust-analyzer.check.noDefaultFeatures": {
                     "markdownDescription": "Whether to pass `--no-default-features` to Cargo. Defaults to\n`#rust-analyzer.cargo.noDefaultFeatures#`.",
                     "default": null,
                     "type": [
@@ -627,8 +643,8 @@
                         "boolean"
                     ]
                 },
-                "rust-analyzer.checkOnSave.overrideCommand": {
-                    "markdownDescription": "Override the command rust-analyzer uses instead of `cargo check` for\ndiagnostics on save. The command is required to output json and\nshould therefore include `--message-format=json` or a similar option.\n\nIf you're changing this because you're using some tool wrapping\nCargo, you might also want to change\n`#rust-analyzer.cargo.buildScripts.overrideCommand#`.\n\nIf there are multiple linked projects, this command is invoked for\neach of them, with the working directory being the project root\n(i.e., the folder containing the `Cargo.toml`).\n\nAn example command would be:\n\n```bash\ncargo check --workspace --message-format=json --all-targets\n```\n.",
+                "rust-analyzer.check.overrideCommand": {
+                    "markdownDescription": "Override the command rust-analyzer uses instead of `cargo check` for\ndiagnostics on save. The command is required to output json and\nshould therefore include `--message-format=json` or a similar option\n(if your client supports the `colorDiagnosticOutput` experimental\ncapability, you can use `--message-format=json-diagnostic-rendered-ansi`).\n\nIf you're changing this because you're using some tool wrapping\nCargo, you might also want to change\n`#rust-analyzer.cargo.buildScripts.overrideCommand#`.\n\nIf there are multiple linked projects, this command is invoked for\neach of them, with the working directory being the project root\n(i.e., the folder containing the `Cargo.toml`).\n\nAn example command would be:\n\n```bash\ncargo check --workspace --message-format=json --all-targets\n```\n.",
                     "default": null,
                     "type": [
                         "null",
@@ -638,11 +654,14 @@
                         "type": "string"
                     }
                 },
-                "rust-analyzer.checkOnSave.target": {
+                "rust-analyzer.check.targets": {
                     "markdownDescription": "Check for specific targets. Defaults to `#rust-analyzer.cargo.target#` if empty.\n\nCan be a single target, e.g. `\"x86_64-unknown-linux-gnu\"` or a list of targets, e.g.\n`[\"aarch64-apple-darwin\", \"x86_64-apple-darwin\"]`.\n\nAliased as `\"checkOnSave.targets\"`.",
-                    "default": [],
+                    "default": null,
                     "anyOf": [
                         {
+                            "type": "null"
+                        },
+                        {
                             "type": "string"
                         },
                         {
@@ -947,6 +966,21 @@
                         "Only show type hints for return types of closures with blocks."
                     ]
                 },
+                "rust-analyzer.inlayHints.discriminantHints.enable": {
+                    "markdownDescription": "Whether to show enum variant discriminant hints.",
+                    "default": "never",
+                    "type": "string",
+                    "enum": [
+                        "always",
+                        "never",
+                        "fieldless"
+                    ],
+                    "enumDescriptions": [
+                        "Always show all discriminant hints.",
+                        "Never show discriminant hints.",
+                        "Only show discriminant hints on fieldless enum variants."
+                    ]
+                },
                 "rust-analyzer.inlayHints.expressionAdjustmentHints.enable": {
                     "markdownDescription": "Whether to show inlay hints for type adjustments.",
                     "default": "never",
@@ -962,6 +996,28 @@
                         "Only show auto borrow and dereference adjustment hints."
                     ]
                 },
+                "rust-analyzer.inlayHints.expressionAdjustmentHints.hideOutsideUnsafe": {
+                    "markdownDescription": "Whether to hide inlay hints for type adjustments outside of `unsafe` blocks.",
+                    "default": false,
+                    "type": "boolean"
+                },
+                "rust-analyzer.inlayHints.expressionAdjustmentHints.mode": {
+                    "markdownDescription": "Whether to show inlay hints as postfix ops (`.*` instead of `*`, etc).",
+                    "default": "prefix",
+                    "type": "string",
+                    "enum": [
+                        "prefix",
+                        "postfix",
+                        "prefer_prefix",
+                        "prefer_postfix"
+                    ],
+                    "enumDescriptions": [
+                        "Always show adjustment hints as prefix (`*expr`).",
+                        "Always show adjustment hints as postfix (`expr.*`).",
+                        "Show prefix or postfix depending on which uses less parenthesis, prefering prefix.",
+                        "Show prefix or postfix depending on which uses less parenthesis, prefering postfix."
+                    ]
+                },
                 "rust-analyzer.inlayHints.lifetimeElisionHints.enable": {
                     "markdownDescription": "Whether to show inlay type hints for elided lifetimes in function signatures.",
                     "default": "never",
@@ -982,6 +1038,11 @@
                     "default": false,
                     "type": "boolean"
                 },
+                "rust-analyzer.inlayHints.locationLinks": {
+                    "markdownDescription": "Whether to use location links for parts of type mentioned in inlay hints.",
+                    "default": true,
+                    "type": "boolean"
+                },
                 "rust-analyzer.inlayHints.maxLength": {
                     "markdownDescription": "Maximum length for inlay hints. Set to null to have an unlimited length.",
                     "default": 25,
@@ -1134,6 +1195,15 @@
                     "default": true,
                     "type": "boolean"
                 },
+                "rust-analyzer.numThreads": {
+                    "markdownDescription": "How many worker threads in the main loop. The default `null` means to pick automatically.",
+                    "default": null,
+                    "type": [
+                        "null",
+                        "integer"
+                    ],
+                    "minimum": 0
+                },
                 "rust-analyzer.procMacro.attributes.enable": {
                     "markdownDescription": "Expand attribute macros. Requires `#rust-analyzer.procMacro.enable#` to be set.",
                     "default": true,
@@ -1494,6 +1564,11 @@
                 "superType": "attribute"
             },
             {
+                "id": "deriveHelper",
+                "description": "Style for derive helpers",
+                "superType": "attribute"
+            },
+            {
                 "id": "dot",
                 "description": "Style for .",
                 "superType": "punctuation"
@@ -1780,6 +1855,12 @@
                     "group": "navigation@1000"
                 }
             ]
-        }
+        },
+        "jsonValidation": [
+            {
+                "fileMatch": "rust-project.json",
+                "url": "https://json.schemastore.org/rust-project.json"
+            }
+        ]
     }
 }
diff --git a/src/tools/rust-analyzer/editors/code/src/client.ts b/src/tools/rust-analyzer/editors/code/src/client.ts
index 23e039722ee..82cdf0390ac 100644
--- a/src/tools/rust-analyzer/editors/code/src/client.ts
+++ b/src/tools/rust-analyzer/editors/code/src/client.ts
@@ -1,8 +1,10 @@
+import * as anser from "anser";
 import * as lc from "vscode-languageclient/node";
 import * as vscode from "vscode";
 import * as ra from "../src/lsp_ext";
 import * as Is from "vscode-languageclient/lib/common/utils/is";
 import { assert } from "./util";
+import * as diagnostics from "./diagnostics";
 import { WorkspaceEdit } from "vscode";
 import { Config, substituteVSCodeVariables } from "./config";
 import { randomUUID } from "crypto";
@@ -100,13 +102,32 @@ export async function createClient(
                     }
                 },
             },
+            async provideInlayHints(document, viewPort, token, next) {
+                const inlays = await next(document, viewPort, token);
+                if (!inlays) {
+                    return inlays;
+                }
+                // U+200C is a zero-width non-joiner to prevent the editor from forming a ligature
+                // between code and hints
+                for (const inlay of inlays) {
+                    if (typeof inlay.label === "string") {
+                        inlay.label = `\u{200c}${inlay.label}\u{200c}`;
+                    } else if (Array.isArray(inlay.label)) {
+                        for (const it of inlay.label) {
+                            it.value = `\u{200c}${it.value}\u{200c}`;
+                        }
+                    }
+                }
+                return inlays;
+            },
             async handleDiagnostics(
                 uri: vscode.Uri,
-                diagnostics: vscode.Diagnostic[],
+                diagnosticList: vscode.Diagnostic[],
                 next: lc.HandleDiagnosticsSignature
             ) {
                 const preview = config.previewRustcOutput;
-                diagnostics.forEach((diag, idx) => {
+                const errorCode = config.useRustcErrorCode;
+                diagnosticList.forEach((diag, idx) => {
                     // Abuse the fact that VSCode leaks the LSP diagnostics data field through the
                     // Diagnostic class, if they ever break this we are out of luck and have to go
                     // back to the worst diagnostics experience ever:)
@@ -119,23 +140,33 @@ export async function createClient(
                         ?.rendered;
                     if (rendered) {
                         if (preview) {
-                            const index = rendered.match(/^(note|help):/m)?.index || 0;
-                            diag.message = rendered
+                            const decolorized = anser.ansiToText(rendered);
+                            const index =
+                                decolorized.match(/^(note|help):/m)?.index || rendered.length;
+                            diag.message = decolorized
                                 .substring(0, index)
                                 .replace(/^ -->[^\n]+\n/m, "");
                         }
+                        let value;
+                        if (errorCode) {
+                            if (typeof diag.code === "string" || typeof diag.code === "number") {
+                                value = diag.code;
+                            } else {
+                                value = diag.code?.value;
+                            }
+                        }
                         diag.code = {
                             target: vscode.Uri.from({
-                                scheme: "rust-analyzer-diagnostics-view",
-                                path: "/diagnostic message",
+                                scheme: diagnostics.URI_SCHEME,
+                                path: `/diagnostic message [${idx.toString()}]`,
                                 fragment: uri.toString(),
                                 query: idx.toString(),
                             }),
-                            value: "Click for full compiler diagnostic",
+                            value: value ?? "Click for full compiler diagnostic",
                         };
                     }
                 });
-                return next(uri, diagnostics);
+                return next(uri, diagnosticList);
             },
             async provideHover(
                 document: vscode.TextDocument,
@@ -302,6 +333,7 @@ class ExperimentalFeatures implements lc.StaticFeature {
         caps.codeActionGroup = true;
         caps.hoverActions = true;
         caps.serverStatusNotification = true;
+        caps.colorDiagnosticOutput = true;
         caps.commands = {
             commands: [
                 "rust-analyzer.runSingle",
diff --git a/src/tools/rust-analyzer/editors/code/src/commands.ts b/src/tools/rust-analyzer/editors/code/src/commands.ts
index 312087e4cff..cb4e13e2c60 100644
--- a/src/tools/rust-analyzer/editors/code/src/commands.ts
+++ b/src/tools/rust-analyzer/editors/code/src/commands.ts
@@ -788,8 +788,23 @@ export function openDocs(ctx: CtxInit): Cmd {
 
 export function cancelFlycheck(ctx: CtxInit): Cmd {
     return async () => {
+        await ctx.client.sendNotification(ra.cancelFlycheck);
+    };
+}
+
+export function clearFlycheck(ctx: CtxInit): Cmd {
+    return async () => {
+        await ctx.client.sendNotification(ra.clearFlycheck);
+    };
+}
+
+export function runFlycheck(ctx: CtxInit): Cmd {
+    return async () => {
+        const editor = ctx.activeRustEditor;
         const client = ctx.client;
-        await client.sendRequest(ra.cancelFlycheck);
+        const params = editor ? { uri: editor.document.uri.toString() } : null;
+
+        await client.sendNotification(ra.runFlycheck, { textDocument: params });
     };
 }
 
@@ -797,12 +812,12 @@ export function resolveCodeAction(ctx: CtxInit): Cmd {
     return async (params: lc.CodeAction) => {
         const client = ctx.client;
         params.command = undefined;
-        const item = await client?.sendRequest(lc.CodeActionResolveRequest.type, params);
+        const item = await client.sendRequest(lc.CodeActionResolveRequest.type, params);
         if (!item?.edit) {
             return;
         }
         const itemEdit = item.edit;
-        const edit = await client?.protocol2CodeConverter.asWorkspaceEdit(itemEdit);
+        const edit = await client.protocol2CodeConverter.asWorkspaceEdit(itemEdit);
         // filter out all text edits and recreate the WorkspaceEdit without them so we can apply
         // snippet edits on our own
         const lcFileSystemEdit = {
diff --git a/src/tools/rust-analyzer/editors/code/src/config.ts b/src/tools/rust-analyzer/editors/code/src/config.ts
index d8dbd1df16d..eb4f965291f 100644
--- a/src/tools/rust-analyzer/editors/code/src/config.ts
+++ b/src/tools/rust-analyzer/editors/code/src/config.ts
@@ -241,6 +241,10 @@ export class Config {
     get previewRustcOutput() {
         return this.get<boolean>("diagnostics.previewRustcOutput");
     }
+
+    get useRustcErrorCode() {
+        return this.get<boolean>("diagnostics.useRustcErrorCode");
+    }
 }
 
 const VarRegex = new RegExp(/\$\{(.+?)\}/g);
diff --git a/src/tools/rust-analyzer/editors/code/src/diagnostics.ts b/src/tools/rust-analyzer/editors/code/src/diagnostics.ts
new file mode 100644
index 00000000000..9695d8bf26d
--- /dev/null
+++ b/src/tools/rust-analyzer/editors/code/src/diagnostics.ts
@@ -0,0 +1,212 @@
+import * as anser from "anser";
+import * as vscode from "vscode";
+import { ProviderResult, Range, TextEditorDecorationType, ThemeColor, window } from "vscode";
+import { Ctx } from "./ctx";
+
+export const URI_SCHEME = "rust-analyzer-diagnostics-view";
+
+export class TextDocumentProvider implements vscode.TextDocumentContentProvider {
+    private _onDidChange = new vscode.EventEmitter<vscode.Uri>();
+
+    public constructor(private readonly ctx: Ctx) {}
+
+    get onDidChange(): vscode.Event<vscode.Uri> {
+        return this._onDidChange.event;
+    }
+
+    triggerUpdate(uri: vscode.Uri) {
+        if (uri.scheme === URI_SCHEME) {
+            this._onDidChange.fire(uri);
+        }
+    }
+
+    dispose() {
+        this._onDidChange.dispose();
+    }
+
+    async provideTextDocumentContent(uri: vscode.Uri): Promise<string> {
+        const contents = getRenderedDiagnostic(this.ctx, uri);
+        return anser.ansiToText(contents);
+    }
+}
+
+function getRenderedDiagnostic(ctx: Ctx, uri: vscode.Uri): string {
+    const diags = ctx.client?.diagnostics?.get(vscode.Uri.parse(uri.fragment, true));
+    if (!diags) {
+        return "Unable to find original rustc diagnostic";
+    }
+
+    const diag = diags[parseInt(uri.query)];
+    if (!diag) {
+        return "Unable to find original rustc diagnostic";
+    }
+    const rendered = (diag as unknown as { data?: { rendered?: string } }).data?.rendered;
+
+    if (!rendered) {
+        return "Unable to find original rustc diagnostic";
+    }
+
+    return rendered;
+}
+
+interface AnserStyle {
+    fg: string;
+    bg: string;
+    fg_truecolor: string;
+    bg_truecolor: string;
+    decorations: Array<anser.DecorationName>;
+}
+
+export class AnsiDecorationProvider implements vscode.Disposable {
+    private _decorationTypes = new Map<AnserStyle, TextEditorDecorationType>();
+
+    public constructor(private readonly ctx: Ctx) {}
+
+    dispose(): void {
+        for (const decorationType of this._decorationTypes.values()) {
+            decorationType.dispose();
+        }
+
+        this._decorationTypes.clear();
+    }
+
+    async provideDecorations(editor: vscode.TextEditor) {
+        if (editor.document.uri.scheme !== URI_SCHEME) {
+            return;
+        }
+
+        const decorations = (await this._getDecorations(editor.document.uri)) || [];
+        for (const [decorationType, ranges] of decorations) {
+            editor.setDecorations(decorationType, ranges);
+        }
+    }
+
+    private _getDecorations(
+        uri: vscode.Uri
+    ): ProviderResult<[TextEditorDecorationType, Range[]][]> {
+        const stringContents = getRenderedDiagnostic(this.ctx, uri);
+        const lines = stringContents.split("\n");
+
+        const result = new Map<TextEditorDecorationType, Range[]>();
+        // Populate all known decoration types in the result. This forces any
+        // lingering decorations to be cleared if the text content changes to
+        // something without ANSI codes for a given decoration type.
+        for (const decorationType of this._decorationTypes.values()) {
+            result.set(decorationType, []);
+        }
+
+        for (const [lineNumber, line] of lines.entries()) {
+            const totalEscapeLength = 0;
+
+            // eslint-disable-next-line camelcase
+            const parsed = anser.ansiToJson(line, { use_classes: true });
+
+            let offset = 0;
+
+            for (const span of parsed) {
+                const { content, ...style } = span;
+
+                const range = new Range(
+                    lineNumber,
+                    offset - totalEscapeLength,
+                    lineNumber,
+                    offset + content.length - totalEscapeLength
+                );
+
+                offset += content.length;
+
+                const decorationType = this._getDecorationType(style);
+
+                if (!result.has(decorationType)) {
+                    result.set(decorationType, []);
+                }
+
+                result.get(decorationType)!.push(range);
+            }
+        }
+
+        return [...result];
+    }
+
+    private _getDecorationType(style: AnserStyle): TextEditorDecorationType {
+        let decorationType = this._decorationTypes.get(style);
+
+        if (decorationType) {
+            return decorationType;
+        }
+
+        const fontWeight = style.decorations.find((s) => s === "bold");
+        const fontStyle = style.decorations.find((s) => s === "italic");
+        const textDecoration = style.decorations.find((s) => s === "underline");
+
+        decorationType = window.createTextEditorDecorationType({
+            backgroundColor: AnsiDecorationProvider._convertColor(style.bg, style.bg_truecolor),
+            color: AnsiDecorationProvider._convertColor(style.fg, style.fg_truecolor),
+            fontWeight,
+            fontStyle,
+            textDecoration,
+        });
+
+        this._decorationTypes.set(style, decorationType);
+
+        return decorationType;
+    }
+
+    // NOTE: This could just be a kebab-case to camelCase conversion, but I think it's
+    // a short enough list to just write these by hand
+    static readonly _anserToThemeColor: Record<string, ThemeColor> = {
+        "ansi-black": "ansiBlack",
+        "ansi-white": "ansiWhite",
+        "ansi-red": "ansiRed",
+        "ansi-green": "ansiGreen",
+        "ansi-yellow": "ansiYellow",
+        "ansi-blue": "ansiBlue",
+        "ansi-magenta": "ansiMagenta",
+        "ansi-cyan": "ansiCyan",
+
+        "ansi-bright-black": "ansiBrightBlack",
+        "ansi-bright-white": "ansiBrightWhite",
+        "ansi-bright-red": "ansiBrightRed",
+        "ansi-bright-green": "ansiBrightGreen",
+        "ansi-bright-yellow": "ansiBrightYellow",
+        "ansi-bright-blue": "ansiBrightBlue",
+        "ansi-bright-magenta": "ansiBrightMagenta",
+        "ansi-bright-cyan": "ansiBrightCyan",
+    };
+
+    private static _convertColor(
+        color?: string,
+        truecolor?: string
+    ): ThemeColor | string | undefined {
+        if (!color) {
+            return undefined;
+        }
+
+        if (color === "ansi-truecolor") {
+            if (!truecolor) {
+                return undefined;
+            }
+            return `rgb(${truecolor})`;
+        }
+
+        const paletteMatch = color.match(/ansi-palette-(.+)/);
+        if (paletteMatch) {
+            const paletteColor = paletteMatch[1];
+            // anser won't return both the RGB and the color name at the same time,
+            // so just fake a single foreground control char with the palette number:
+            const spans = anser.ansiToJson(`\x1b[38;5;${paletteColor}m`);
+            const rgb = spans[1].fg;
+
+            if (rgb) {
+                return `rgb(${rgb})`;
+            }
+        }
+
+        const themeColor = AnsiDecorationProvider._anserToThemeColor[color];
+        if (themeColor) {
+            return new ThemeColor("terminal." + themeColor);
+        }
+
+        return undefined;
+    }
+}
diff --git a/src/tools/rust-analyzer/editors/code/src/lsp_ext.ts b/src/tools/rust-analyzer/editors/code/src/lsp_ext.ts
index 875261c48a6..29349cc20f5 100644
--- a/src/tools/rust-analyzer/editors/code/src/lsp_ext.ts
+++ b/src/tools/rust-analyzer/editors/code/src/lsp_ext.ts
@@ -79,7 +79,11 @@ export const relatedTests = new lc.RequestType<lc.TextDocumentPositionParams, Te
     "rust-analyzer/relatedTests"
 );
 
-export const cancelFlycheck = new lc.RequestType0<void, void>("rust-analyzer/cancelFlycheck");
+export const cancelFlycheck = new lc.NotificationType0("rust-analyzer/cancelFlycheck");
+export const clearFlycheck = new lc.NotificationType0("rust-analyzer/clearFlycheck");
+export const runFlycheck = new lc.NotificationType<{
+    textDocument: lc.TextDocumentIdentifier | null;
+}>("rust-analyzer/runFlycheck");
 
 // Experimental extensions
 
diff --git a/src/tools/rust-analyzer/editors/code/src/main.ts b/src/tools/rust-analyzer/editors/code/src/main.ts
index 25f1e83d109..dd439317c70 100644
--- a/src/tools/rust-analyzer/editors/code/src/main.ts
+++ b/src/tools/rust-analyzer/editors/code/src/main.ts
@@ -3,6 +3,7 @@ import * as lc from "vscode-languageclient/node";
 
 import * as commands from "./commands";
 import { CommandFactory, Ctx, fetchWorkspace } from "./ctx";
+import * as diagnostics from "./diagnostics";
 import { activateTaskProvider } from "./tasks";
 import { setContextValue } from "./util";
 
@@ -48,30 +49,52 @@ async function activateServer(ctx: Ctx): Promise<RustAnalyzerExtensionApi> {
         ctx.pushExtCleanup(activateTaskProvider(ctx.config));
     }
 
+    const diagnosticProvider = new diagnostics.TextDocumentProvider(ctx);
     ctx.pushExtCleanup(
         vscode.workspace.registerTextDocumentContentProvider(
-            "rust-analyzer-diagnostics-view",
-            new (class implements vscode.TextDocumentContentProvider {
-                async provideTextDocumentContent(uri: vscode.Uri): Promise<string> {
-                    const diags = ctx.client?.diagnostics?.get(
-                        vscode.Uri.parse(uri.fragment, true)
-                    );
-                    if (!diags) {
-                        return "Unable to find original rustc diagnostic";
-                    }
-
-                    const diag = diags[parseInt(uri.query)];
-                    if (!diag) {
-                        return "Unable to find original rustc diagnostic";
-                    }
-                    const rendered = (diag as unknown as { data?: { rendered?: string } }).data
-                        ?.rendered;
-                    return rendered ?? "Unable to find original rustc diagnostic";
-                }
-            })()
+            diagnostics.URI_SCHEME,
+            diagnosticProvider
         )
     );
 
+    const decorationProvider = new diagnostics.AnsiDecorationProvider(ctx);
+    ctx.pushExtCleanup(decorationProvider);
+
+    async function decorateVisibleEditors(document: vscode.TextDocument) {
+        for (const editor of vscode.window.visibleTextEditors) {
+            if (document === editor.document) {
+                await decorationProvider.provideDecorations(editor);
+            }
+        }
+    }
+
+    vscode.workspace.onDidChangeTextDocument(
+        async (event) => await decorateVisibleEditors(event.document),
+        null,
+        ctx.subscriptions
+    );
+    vscode.workspace.onDidOpenTextDocument(decorateVisibleEditors, null, ctx.subscriptions);
+    vscode.window.onDidChangeActiveTextEditor(
+        async (editor) => {
+            if (editor) {
+                diagnosticProvider.triggerUpdate(editor.document.uri);
+                await decorateVisibleEditors(editor.document);
+            }
+        },
+        null,
+        ctx.subscriptions
+    );
+    vscode.window.onDidChangeVisibleTextEditors(
+        async (visibleEditors) => {
+            for (const editor of visibleEditors) {
+                diagnosticProvider.triggerUpdate(editor.document.uri);
+                await decorationProvider.provideDecorations(editor);
+            }
+        },
+        null,
+        ctx.subscriptions
+    );
+
     vscode.workspace.onDidChangeWorkspaceFolders(
         async (_) => ctx.onWorkspaceFolderChanges(),
         null,
@@ -79,7 +102,7 @@ async function activateServer(ctx: Ctx): Promise<RustAnalyzerExtensionApi> {
     );
     vscode.workspace.onDidChangeConfiguration(
         async (_) => {
-            await ctx.client?.sendNotification("workspace/didChangeConfiguration", {
+            await ctx.client?.sendNotification(lc.DidChangeConfigurationNotification.type, {
                 settings: "",
             });
         },
@@ -150,6 +173,8 @@ function createCommands(): Record<string, CommandFactory> {
         moveItemUp: { enabled: commands.moveItemUp },
         moveItemDown: { enabled: commands.moveItemDown },
         cancelFlycheck: { enabled: commands.cancelFlycheck },
+        clearFlycheck: { enabled: commands.clearFlycheck },
+        runFlycheck: { enabled: commands.runFlycheck },
         ssr: { enabled: commands.ssr },
         serverVersion: { enabled: commands.serverVersion },
         // Internal commands which are invoked by the server.