diff --git a/server/Cargo.lock b/server/Cargo.lock
index 5584513..d6dab7b 100644
--- a/server/Cargo.lock
+++ b/server/Cargo.lock
@@ -4,9 +4,9 @@ version = 3
 
 [[package]]
 name = "aho-corasick"
-version = "0.7.15"
+version = "0.7.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7404febffaa47dac81aa44dba71523c9d069b1bdc50a77db41195149e17f68e5"
+checksum = "1e37cfd5e7657ada45f742d6e99ca5788580b5c529dc78faf11ece6dc702656f"
 dependencies = [
  "memchr",
 ]
@@ -28,9 +28,9 @@ dependencies = [
 
 [[package]]
 name = "anyhow"
-version = "1.0.38"
+version = "1.0.56"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "afddf7f520a80dbf76e6f50a35bca42a2331ef227a28b3b6dc5c2e2338d114b1"
+checksum = "4361135be9122e0870de935d7c439aef945b9f9ddd4199a553b5270b49c82a27"
 
 [[package]]
 name = "arc-swap"
@@ -51,21 +51,15 @@ dependencies = [
 
 [[package]]
 name = "autocfg"
-version = "1.0.1"
+version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cdb031dd78e28731d87d56cc8ffef4a8f36ca26c38fe2de700543e627f8a464a"
-
-[[package]]
-name = "base64"
-version = "0.12.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3441f0f7b02788e948e47f457ca01f1d7e6d92c693bc132c22b087d3141c03ff"
+checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
 [[package]]
 name = "bitflags"
-version = "1.2.1"
+version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cf1de2fe8c75bc145a2f577add951f8134889b4795d47466a54a5c846d691693"
+checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
 
 [[package]]
 name = "block"
@@ -91,9 +85,9 @@ dependencies = [
 
 [[package]]
 name = "cc"
-version = "1.0.66"
+version = "1.0.73"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4c0496836a84f8d0495758516b8621a622beb77c0fed418570e50764093ced48"
+checksum = "2fff2a6927b3bb87f9595d67196a70493f627687a71d87a0d692242c33f58c11"
 
 [[package]]
 name = "cfg-if"
@@ -125,8 +119,8 @@ dependencies = [
  "bitflags",
  "block",
  "cocoa-foundation",
- "core-foundation 0.9.1",
- "core-graphics 0.22.2",
+ "core-foundation 0.9.3",
+ "core-graphics 0.22.3",
  "foreign-types",
  "libc",
  "objc",
@@ -140,7 +134,7 @@ checksum = "7ade49b65d560ca58c403a479bb396592b155c0185eada742ee323d1d68d6318"
 dependencies = [
  "bitflags",
  "block",
- "core-foundation 0.9.1",
+ "core-foundation 0.9.3",
  "core-graphics-types",
  "foreign-types",
  "libc",
@@ -159,11 +153,11 @@ dependencies = [
 
 [[package]]
 name = "core-foundation"
-version = "0.9.1"
+version = "0.9.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0a89e2ae426ea83155dccf10c0fa6b1463ef6d5fcb44cee0b224a408fa640a62"
+checksum = "194a7a9e6de53fa55116934067c844d9d749312f75c6f6d0980e8c252f8c2146"
 dependencies = [
- "core-foundation-sys 0.8.2",
+ "core-foundation-sys 0.8.3",
  "libc",
 ]
 
@@ -175,9 +169,9 @@ checksum = "b3a71ab494c0b5b860bdc8407ae08978052417070c2ced38573a9157ad75b8ac"
 
 [[package]]
 name = "core-foundation-sys"
-version = "0.8.2"
+version = "0.8.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ea221b5284a47e40033bf9b66f35f984ec0ea2931eb03505246cd27a963f981b"
+checksum = "5827cebf4670468b8772dd191856768aedcb1b0278a04f989f7766351917b9dc"
 
 [[package]]
 name = "core-graphics"
@@ -193,12 +187,12 @@ dependencies = [
 
 [[package]]
 name = "core-graphics"
-version = "0.22.2"
+version = "0.22.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "269f35f69b542b80e736a20a89a05215c0ce80c2c03c514abb2e318b78379d86"
+checksum = "2581bbab3b8ffc6fcbd550bf46c355135d16e9ff2a6ea032ad6b9bf1d7efe4fb"
 dependencies = [
  "bitflags",
- "core-foundation 0.9.1",
+ "core-foundation 0.9.3",
  "core-graphics-types",
  "foreign-types",
  "libc",
@@ -211,7 +205,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3a68b68b3446082644c91ac778bf50cd4104bfb002b5a6a7c44cca5a2c70788b"
 dependencies = [
  "bitflags",
- "core-foundation 0.9.1",
+ "core-foundation 0.9.3",
  "foreign-types",
  "libc",
 ]
@@ -231,9 +225,9 @@ dependencies = [
 
 [[package]]
 name = "ctor"
-version = "0.1.18"
+version = "0.1.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "10bcb9d7dcbf7002aaffbb53eac22906b64cdcc127971dcc387d8eb7c95d5560"
+checksum = "f877be4f7c9f246b183111634f75baa039715e3f46ce860677d3b19a69fb229c"
 dependencies = [
  "quote",
  "syn",
@@ -247,9 +241,9 @@ checksum = "b365fabc795046672053e29c954733ec3b05e4be654ab130fe8f1f94d7051f35"
 
 [[package]]
 name = "darling"
-version = "0.13.1"
+version = "0.13.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d0d720b8683f8dd83c65155f0530560cba68cd2bf395f6513a483caee57ff7f4"
+checksum = "a01d95850c592940db9b8194bc39f4bc0e89dee5c4265e4b1807c34a9aba453c"
 dependencies = [
  "darling_core",
  "darling_macro",
@@ -257,9 +251,9 @@ dependencies = [
 
 [[package]]
 name = "darling_core"
-version = "0.13.1"
+version = "0.13.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7a340f241d2ceed1deb47ae36c4144b2707ec7dd0b649f894cb39bb595986324"
+checksum = "859d65a907b6852c9361e3185c862aae7fafd2887876799fa55f5f99dc40d610"
 dependencies = [
  "fnv",
  "ident_case",
@@ -271,26 +265,15 @@ dependencies = [
 
 [[package]]
 name = "darling_macro"
-version = "0.13.1"
+version = "0.13.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "72c41b3b7352feb3211a0d743dc5700a4e3b60f51bd2b368892d1e0f9a95f44b"
+checksum = "9c972679f83bdf9c42bd905396b6c3588a843a17f0f16dfcfa3e2c5d57441835"
 dependencies = [
  "darling_core",
  "quote",
  "syn",
 ]
 
-[[package]]
-name = "derivative"
-version = "2.1.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eaed5874effa6cde088c644ddcdcb4ffd1511391c5be4fdd7a5ccd02c7e4a183"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
-]
-
 [[package]]
 name = "diff"
 version = "0.1.12"
@@ -359,9 +342,9 @@ checksum = "e78d4f1cc4ae33bbfc157ed5d5a5ef3bc29227303d595861deb238fcec4e9457"
 
 [[package]]
 name = "fixedbitset"
-version = "0.4.0"
+version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "398ea4fabe40b9b0d885340a2a991a44c8a645624075ad966d21f88688e2b69e"
+checksum = "279fb028e20b3c4c320317955b77c5e0c9701f05a1d309905d6fc702cdc5053e"
 
 [[package]]
 name = "float-cmp"
@@ -395,9 +378,9 @@ checksum = "00b0228411908ca8685dba7fc2cdd70ec9990a6e753e89b6ac91a84c40fbaf4b"
 
 [[package]]
 name = "form_urlencoded"
-version = "1.0.0"
+version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ece68d15c92e84fa4f19d3780f1294e5ca82a78a6d515f1efaabcc144688be00"
+checksum = "5fc25a87fa4fd2094bffb06925852034d90a17f0d1e05197d4956d3555752191"
 dependencies = [
  "matches",
  "percent-encoding",
@@ -405,9 +388,9 @@ dependencies = [
 
 [[package]]
 name = "fragile"
-version = "1.0.0"
+version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "69a039c3498dc930fe810151a34ba0c1c70b02b8625035592e74432f678591f2"
+checksum = "e9d758e60b45e8d749c89c1b389ad8aee550f86aa12e2b9298b546dda7a82ab1"
 
 [[package]]
 name = "fs_extra"
@@ -423,19 +406,19 @@ checksum = "a06f77d526c1a601b7c4cdd98f54b5eaabffc14d5f2f0296febdc7f357c6d3ba"
 
 [[package]]
 name = "futures"
-version = "0.1.30"
+version = "0.1.31"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4c7e4c2612746b0df8fed4ce0c69156021b704c9aefa360311c04e6e9e002eed"
+checksum = "3a471a38ef8ed83cd6e40aa59c1ffe17db6855c18e3604d9c4ed8c08ebc28678"
 
 [[package]]
 name = "getrandom"
-version = "0.2.5"
+version = "0.2.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d39cd93900197114fa1fcb7ae84ca742095eed9442088988ae74fa744e930e77"
+checksum = "9be70c98951c83b8d2f8f60d7065fa6d5146873094452a1008da8c2f1e4205ad"
 dependencies = [
  "cfg-if 1.0.0",
  "libc",
- "wasi",
+ "wasi 0.10.2+wasi-snapshot-preview1",
 ]
 
 [[package]]
@@ -467,7 +450,7 @@ dependencies = [
  "android_glue",
  "cgl",
  "cocoa",
- "core-foundation 0.9.1",
+ "core-foundation 0.9.3",
  "glutin_egl_sys",
  "glutin_emscripten_sys",
  "glutin_gles2_sys",
@@ -563,9 +546,9 @@ checksum = "b9e0384b61958566e926dc50660321d12159025e767c18e043daf26b70104c39"
 
 [[package]]
 name = "idna"
-version = "0.2.0"
+version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "02e2673c30ee86b5b96a9cb52ad15718aa1f966f5ab9ad54a8b95d5ca33120a9"
+checksum = "418a0a6fab821475f634efe3ccc45c013f742efe03d853e8d3355d5cb850ecf8"
 dependencies = [
  "matches",
  "unicode-bidi",
@@ -574,9 +557,9 @@ dependencies = [
 
 [[package]]
 name = "indexmap"
-version = "1.7.0"
+version = "1.8.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bc633605454125dec4b66843673f01c7df2b89479b32e0ed634e43a91cff62a5"
+checksum = "0f647032dfaa1f8b6dc29bd3edb7bbef4861b8b8007ebb118d6db284fd59f6ee"
 dependencies = [
  "autocfg",
  "hashbrown",
@@ -584,9 +567,9 @@ dependencies = [
 
 [[package]]
 name = "instant"
-version = "0.1.9"
+version = "0.1.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "61124eeebbd69b8190558df225adf7e4caafce0d743919e5d6b19652314ec5ec"
+checksum = "7a5bbe824c507c5da5956355e86a746d82e0e1464f65d862cc5e71da70e94b2c"
 dependencies = [
  "cfg-if 1.0.0",
  "js-sys",
@@ -603,12 +586,6 @@ dependencies = [
  "either",
 ]
 
-[[package]]
-name = "itoa"
-version = "0.4.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dd25036021b0de88a0aff6b850051563c6516d0bf53f8638938edbb9de732736"
-
 [[package]]
 name = "itoa"
 version = "1.0.1"
@@ -623,9 +600,9 @@ checksum = "8eaf4bc02d17cbdd7ff4c7438cafcdf7fb9a4613313ad11b4f8fefe7d3fa0130"
 
 [[package]]
 name = "js-sys"
-version = "0.3.56"
+version = "0.3.57"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a38fc24e30fd564ce974c02bf1d337caddff65be6cc4735a1f7eab22a7440f04"
+checksum = "671a26f820db17c2a2750743f1dd03bafd15b98c9f30c7c2628c024c05d73397"
 dependencies = [
  "wasm-bindgen",
 ]
@@ -644,15 +621,15 @@ checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 
 [[package]]
 name = "libc"
-version = "0.2.119"
+version = "0.2.122"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1bf2e165bb3457c8e098ea76f3e3bc9db55f87aa90d52d0e6be741470916aaa4"
+checksum = "ec647867e2bf0772e28c8bcde4f0d19a9216916e890543b5a03ed8ef27b8f259"
 
 [[package]]
 name = "libloading"
-version = "0.7.0"
+version = "0.7.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6f84d96438c15fcd6c3f244c8fce01d1e2b9c6b5623e9c711dc9286d8fc92d6a"
+checksum = "efbc0f03f9a775e9f6aed295c6a1ba2253c5757a9e03d55c6caa46a681abcddd"
 dependencies = [
  "cfg-if 1.0.0",
  "winapi",
@@ -660,18 +637,19 @@ dependencies = [
 
 [[package]]
 name = "lock_api"
-version = "0.4.2"
+version = "0.4.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dd96ffd135b2fd7b973ac026d28085defbe8983df057ced3eb4f2130b0831312"
+checksum = "327fa5b6a6940e4699ec49a9beae1ea4845c6bab9314e4f84ac68742139d8c53"
 dependencies = [
+ "autocfg",
  "scopeguard",
 ]
 
 [[package]]
 name = "log"
-version = "0.4.14"
+version = "0.4.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "51b9bbe6c47d51fc3e1a9b945965946b4c44142ab8792c50835a980d362c2710"
+checksum = "6389c490849ff5bc16be905ae24bc913a9c8892e19b2341dbc175e14c341c2b8"
 dependencies = [
  "cfg-if 1.0.0",
 ]
@@ -698,10 +676,9 @@ dependencies = [
 
 [[package]]
 name = "lsp-types"
-version = "0.86.0"
-source = "git+https://github.com/gluon-lang/lsp-types?branch=master#1be3254cd8589950a224d92456840c369cd1553a"
+version = "0.93.0"
+source = "git+https://github.com/gluon-lang/lsp-types?branch=master#36e19b01a385acf475d9fdfaef6738cf76f1a3d8"
 dependencies = [
- "base64",
  "bitflags",
  "serde",
  "serde_json",
@@ -720,15 +697,9 @@ dependencies = [
 
 [[package]]
 name = "matches"
-version = "0.1.8"
+version = "0.1.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7ffc5c5338469d4d3ea17d269fa8ea3512ad247247c30bd2df69e68309ed0a08"
-
-[[package]]
-name = "maybe-uninit"
-version = "2.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "60302e4db3a61da70c0cb7991976248362f30319e88850c487b9b95bbf059e00"
+checksum = "a3e378b66a060d48947b590737b30a1be76706c8dd7b8ba0f2fe3989c68a853f"
 
 [[package]]
 name = "mcshader-lsp"
@@ -764,9 +735,9 @@ dependencies = [
 
 [[package]]
 name = "memchr"
-version = "2.3.4"
+version = "2.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0ee1c47aaa256ecabcaea351eae4a9b01ef39ed810004e298d2511ed284b1525"
+checksum = "308cc39be01b73d0d18f82a0e7b2a3df85245f84af96fdddc5d202d27e47b86a"
 
 [[package]]
 name = "memmap2"
@@ -779,23 +750,30 @@ dependencies = [
 
 [[package]]
 name = "memoffset"
-version = "0.6.4"
+version = "0.6.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "59accc507f1338036a0477ef61afdae33cde60840f4dfe481319ce3ad116ddf9"
+checksum = "5aa361d4faea93603064a027415f07bd8e1d5c88c9fbf68bf56a285428fd79ce"
 dependencies = [
  "autocfg",
 ]
 
 [[package]]
-name = "mio"
-version = "0.8.0"
+name = "minimal-lexical"
+version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ba272f85fa0b41fc91872be579b3bbe0f56b792aa361a380eb669469f68dafb2"
+checksum = "68354c5c6bd36d73ff3feceb05efa59b6acb7626617f4962be322a825e61f79a"
+
+[[package]]
+name = "mio"
+version = "0.8.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "52da4364ffb0e4fe33a9841a98a3f3014fb964045ce4f7a45a398243c8d6b0c9"
 dependencies = [
  "libc",
  "log",
  "miow",
  "ntapi",
+ "wasi 0.11.0+wasi-snapshot-preview1",
  "winapi",
 ]
 
@@ -903,12 +881,12 @@ dependencies = [
 
 [[package]]
 name = "nom"
-version = "6.0.1"
+version = "7.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "88034cfd6b4a0d54dd14f4a507eceee36c0b70e5a02236c4e4df571102be17f0"
+checksum = "a8903e5a29a317527874d0402f867152a3d21c908bb0b933e416c65e301d4c36"
 dependencies = [
  "memchr",
- "version_check",
+ "minimal-lexical",
 ]
 
 [[package]]
@@ -919,9 +897,9 @@ checksum = "61807f77802ff30975e01f4f071c8ba10c022052f98b3294119f3e615d13e5be"
 
 [[package]]
 name = "ntapi"
-version = "0.3.6"
+version = "0.3.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3f6bb902e437b6d86e03cce10a7e2af662292c5dfef23b65899ea3ac9354ad44"
+checksum = "c28774a7fd2fbb4f0babd8237ce554b73af68021b5f695a3cebd6c59bac0980f"
 dependencies = [
  "winapi",
 ]
@@ -1005,19 +983,18 @@ dependencies = [
 
 [[package]]
 name = "num_enum"
-version = "0.5.4"
+version = "0.5.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3f9bd055fb730c4f8f4f57d45d35cd6b3f0980535b056dc7ff119cee6a66ed6f"
+checksum = "cf5395665662ef45796a4ff5486c5d41d29e0c09640af4c5f17fd94ee2c119c9"
 dependencies = [
- "derivative",
  "num_enum_derive",
 ]
 
 [[package]]
 name = "num_enum_derive"
-version = "0.5.4"
+version = "0.5.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "486ea01961c4a818096de679a8b740b26d9033146ac5291b1c98557658f8cdd9"
+checksum = "3b0498641e53dd6ac1a4f22547548caa6864cc4933784319cd1775271c5a46ce"
 dependencies = [
  "proc-macro-crate",
  "proc-macro2",
@@ -1027,9 +1004,9 @@ dependencies = [
 
 [[package]]
 name = "num_threads"
-version = "0.1.4"
+version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c539a50b93a303167eded6e8dff5220cd39447409fb659f4cd24b1f72fe4f133"
+checksum = "aba1801fb138d8e85e11d0fc70baf4fe1cdfffda7c6cd34a854905df588e5ed0"
 dependencies = [
  "libc",
 ]
@@ -1045,9 +1022,9 @@ dependencies = [
 
 [[package]]
 name = "once_cell"
-version = "1.7.2"
+version = "1.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "af8b08b04175473088b46763e51ee54da5f9a164bc162f615b91bc179dbf15a3"
+checksum = "87f3e037eac156d1775da914196f0f37741a274155e34a0b7e427c35d2a2ecb9"
 
 [[package]]
 name = "osmesa-sys"
@@ -1060,18 +1037,18 @@ dependencies = [
 
 [[package]]
 name = "output_vt100"
-version = "0.1.2"
+version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "53cdc5b785b7a58c5aad8216b3dfa114df64b0b06ae6e1501cef91df2fbdf8f9"
+checksum = "628223faebab4e3e40667ee0b2336d34a5b960ff60ea743ddfdbcf7770bcfb66"
 dependencies = [
  "winapi",
 ]
 
 [[package]]
 name = "parking_lot"
-version = "0.11.1"
+version = "0.11.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6d7744ac029df22dca6284efe4e898991d28e3085c706c972bcd7da4a27a15eb"
+checksum = "7d17b78036a60663b797adeaee46f5c9dfebb86948d1255007a1d6be0271ff99"
 dependencies = [
  "instant",
  "lock_api",
@@ -1080,14 +1057,14 @@ dependencies = [
 
 [[package]]
 name = "parking_lot_core"
-version = "0.8.2"
+version = "0.8.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9ccb628cad4f84851442432c60ad8e1f607e29752d0bf072cbd0baf28aa34272"
+checksum = "d76e8e1493bcac0d2766c42737f34458f1c8c50c0d23bcb24ea953affb273216"
 dependencies = [
  "cfg-if 1.0.0",
  "instant",
  "libc",
- "redox_syscall 0.1.57",
+ "redox_syscall",
  "smallvec",
  "winapi",
 ]
@@ -1116,9 +1093,9 @@ dependencies = [
 
 [[package]]
 name = "pkg-config"
-version = "0.3.19"
+version = "0.3.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3831453b3449ceb48b6d9c7ad7c96d5ea673e9b470a1dc578c2ce6521230884c"
+checksum = "1df8c4ec4b0627e53bdf214615ad287367e482558cf84b109250b37464dc03ae"
 
 [[package]]
 name = "ppv-lite86"
@@ -1142,25 +1119,25 @@ dependencies = [
 
 [[package]]
 name = "predicates-core"
-version = "1.0.1"
+version = "1.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fb3dbeaaf793584e29c58c7e3a82bbb3c7c06b63cea68d13b0e3cddc124104dc"
+checksum = "da1c2388b1513e1b605fcec39a95e0a9e8ef088f71443ef37099fa9ae6673fcb"
 
 [[package]]
 name = "predicates-tree"
-version = "1.0.1"
+version = "1.0.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "aee95d988ee893cb35c06b148c80ed2cd52c8eea927f50ba7a0be1a786aeab73"
+checksum = "4d86de6de25020a36c6d3643a86d9a6a9f552107c0559c60ea03551b5e16c032"
 dependencies = [
  "predicates-core",
- "treeline",
+ "termtree",
 ]
 
 [[package]]
 name = "pretty_assertions"
-version = "1.1.0"
+version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "76d5b548b725018ab5496482b45cb8bef21e9fed1858a6d674e3a8a0f0bb5d50"
+checksum = "c89f989ac94207d048d92db058e4f6ec7342b0971fc58d1271ca148b799b3563"
 dependencies = [
  "ansi_term",
  "ctor",
@@ -1170,9 +1147,9 @@ dependencies = [
 
 [[package]]
 name = "proc-macro-crate"
-version = "1.1.0"
+version = "1.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1ebace6889caf889b4d3f76becee12e90353f2b8c7d875534a71e5742f8f6f83"
+checksum = "e17d47ce914bf4de440332250b0edd23ce48c005f59fab39d3335866b114f11a"
 dependencies = [
  "thiserror",
  "toml",
@@ -1180,18 +1157,18 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.36"
+version = "1.0.37"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c7342d5883fbccae1cc37a2353b09c87c9b0f3afd73f5fb9bba687a1f733b029"
+checksum = "ec757218438d5fda206afc041538b2f6d889286160d649a86a24d37e1235afd1"
 dependencies = [
  "unicode-xid",
 ]
 
 [[package]]
 name = "quote"
-version = "1.0.15"
+version = "1.0.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "864d3e96a899863136fc6e99f3d7cae289dafe43bf2c5ac19b70df7210c0a145"
+checksum = "a1feb54ed693b93a84e14094943b84b7c4eae204c512b7ccb95ab0c66d278ad1"
 dependencies = [
  "proc-macro2",
 ]
@@ -1256,9 +1233,9 @@ dependencies = [
 
 [[package]]
 name = "raw-window-handle"
-version = "0.4.2"
+version = "0.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fba75eee94a9d5273a68c9e1e105d9cffe1ef700532325788389e5a83e2522b7"
+checksum = "b800beb9b6e7d2df1fe337c9e3d04e3af22a124460fb4c30fcc22c9117cefb41"
 dependencies = [
  "cty",
 ]
@@ -1274,46 +1251,40 @@ dependencies = [
 
 [[package]]
 name = "redox_syscall"
-version = "0.1.57"
+version = "0.2.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "41cc0f7e4d5d4544e8861606a285bb08d3e70712ccc7d2b84d7c0ccfaf4b05ce"
-
-[[package]]
-name = "redox_syscall"
-version = "0.2.11"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8380fe0152551244f0747b1bf41737e0f8a74f97a14ccefd1148187271634f3c"
+checksum = "62f25bc4c7e55e0b0b7a1d43fb893f4fa1361d0abe38b9ce4f323c2adfe6ef42"
 dependencies = [
  "bitflags",
 ]
 
 [[package]]
 name = "redox_users"
-version = "0.4.0"
+version = "0.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "528532f3d801c87aec9def2add9ca802fe569e44a544afe633765267840abe64"
+checksum = "b033d837a7cf162d7993aded9304e30a83213c648b6e389db233191f891e5c2b"
 dependencies = [
  "getrandom",
- "redox_syscall 0.2.11",
+ "redox_syscall",
+ "thiserror",
 ]
 
 [[package]]
 name = "regex"
-version = "1.4.3"
+version = "1.5.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d9251239e129e16308e70d853559389de218ac275b515068abc96829d05b948a"
+checksum = "1a11647b6b25ff05a515cb92c365cec08801e83423a235b51e231e1808747286"
 dependencies = [
  "aho-corasick",
  "memchr",
  "regex-syntax",
- "thread_local",
 ]
 
 [[package]]
 name = "regex-syntax"
-version = "0.6.22"
+version = "0.6.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b5eb417147ba9860a96cfe72a0b93bf88fee1744b5636ec99ab20c1aa9376581"
+checksum = "f497285884f3fcff424ffc933e56d7cbca511def0c9831a7f9b5f6153e3cc89b"
 
 [[package]]
 name = "remove_dir_all"
@@ -1327,7 +1298,7 @@ dependencies = [
 [[package]]
 name = "rust_lsp"
 version = "0.6.0"
-source = "git+https://github.com/Strum355/RustLSP?branch=master#1f6d533300fd64a739930fd42f0572328be48469"
+source = "git+https://github.com/Strum355/RustLSP?branch=master#22694b563c8bae1a64cf91f91e80c1933693203f"
 dependencies = [
  "log",
  "lsp-types",
@@ -1363,9 +1334,9 @@ checksum = "f2cc38e8fa666e2de3c4aba7edeb5ffc5246c1c2ed0e3d17e560aeeba736b23f"
 
 [[package]]
 name = "ryu"
-version = "1.0.5"
+version = "1.0.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "71d301d4193d031abdd79ff7e3dd721168a9572ef3fe51a1517aba235bd8f86e"
+checksum = "73b4b750c782965c211b42f022f59af1fbceabdd026623714f104152f1ec149f"
 
 [[package]]
 name = "same-file"
@@ -1390,18 +1361,18 @@ checksum = "d29ab0c6d3fc0ee92fe66e2d99f700eab17a8d57d1c1d3b748380fb20baa78cd"
 
 [[package]]
 name = "serde"
-version = "1.0.123"
+version = "1.0.136"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "92d5161132722baa40d802cc70b15262b98258453e85e5d1d365c757c73869ae"
+checksum = "ce31e24b01e1e524df96f1c2fdd054405f8d7376249a5110886fb4b658484789"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.123"
+version = "1.0.136"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9391c295d64fc0abb2c556bad848f33cb8296276b1ad2677d1ae1ace4f258f31"
+checksum = "08597e7152fcd306f41838ed3e37be9eaeed2b61c42e2117266a554fab4662f9"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1410,20 +1381,20 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.61"
+version = "1.0.79"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4fceb2595057b6891a4ee808f70054bd2d12f0e97f1cbb78689b59f676df325a"
+checksum = "8e8d9fa5c3b304765ce1fd9c4c8a3de2c8db365a5b91be52f186efc675681d95"
 dependencies = [
- "itoa 0.4.7",
+ "itoa",
  "ryu",
  "serde",
 ]
 
 [[package]]
 name = "serde_repr"
-version = "0.1.6"
+version = "0.1.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2dc6b7951b17b051f3210b063f12cc17320e2fe30ae05b0fe2a3abb068551c76"
+checksum = "98d0516900518c29efa217c298fa1f4e6c6ffc85ae29fd7f4ee48f176e1a9ed5"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1482,15 +1453,15 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.6.1"
+version = "1.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fe0f37c9e8f3c5a4a66ad655a93c74daac4ad00c441533bf5c6e7990bb42604e"
+checksum = "f2dd574626839106c320a323308629dcb1acfc96e32a8cba364ddc61ac23ee83"
 
 [[package]]
 name = "smithay-client-toolkit"
-version = "0.15.3"
+version = "0.15.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1325f292209cee78d5035530932422a30aa4c8fda1a16593ac083c1de211e68a"
+checksum = "8a28f16a97fa0e8ce563b2774d1e732dd5d4025d2772c5dba0a41a0f90a29da3"
 dependencies = [
  "bitflags",
  "calloop",
@@ -1513,9 +1484,9 @@ checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
 
 [[package]]
 name = "syn"
-version = "1.0.86"
+version = "1.0.91"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8a65b3f4ffa0092e9887669db0eae07941f023991ab58ea44da8fe8e2d511c6b"
+checksum = "b683b2b825c8eef438b77c36a06dc262294da3d5a5813fac20da149241dcd44d"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1544,19 +1515,25 @@ dependencies = [
 ]
 
 [[package]]
-name = "thiserror"
-version = "1.0.29"
+name = "termtree"
+version = "0.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "602eca064b2d83369e2b2f34b09c70b605402801927c65c11071ac911d299b88"
+checksum = "507e9898683b6c43a9aa55b64259b721b52ba226e0f3779137e50ad114a4c90b"
+
+[[package]]
+name = "thiserror"
+version = "1.0.30"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "854babe52e4df1653706b98fcfc05843010039b406875930a70e4d9644e5c417"
 dependencies = [
  "thiserror-impl",
 ]
 
 [[package]]
 name = "thiserror-impl"
-version = "1.0.29"
+version = "1.0.30"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bad553cc2c78e8de258400763a647e80e6d1b31ee237275d756f6836d204494c"
+checksum = "aa32fd3f627f367fe16f893e2597ae3c05020f8bba2666a4e6ea73d377e5714b"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1574,11 +1551,11 @@ dependencies = [
 
 [[package]]
 name = "time"
-version = "0.3.7"
+version = "0.3.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "004cbc98f30fa233c61a38bc77e96a9106e65c88f2d3bef182ae952027e5753d"
+checksum = "c2702e08a7a860f005826c6815dcac101b19b5eb330c27fe4a5928fec1d20ddd"
 dependencies = [
- "itoa 1.0.1",
+ "itoa",
  "libc",
  "num_threads",
  "time-macros",
@@ -1586,15 +1563,15 @@ dependencies = [
 
 [[package]]
 name = "time-macros"
-version = "0.2.3"
+version = "0.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "25eb0ca3468fc0acc11828786797f6ef9aa1555e4a211a60d64cc8e4d1be47d6"
+checksum = "42657b1a6f4d817cda8e7a0ace261fe0cc946cf3a80314390b22cc61ae080792"
 
 [[package]]
 name = "tinyvec"
-version = "1.1.0"
+version = "1.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ccf8dbc19eb42fba10e8feaaec282fb50e2c14b2726d6301dbfeed0f73306a6f"
+checksum = "2c1c1d5a42b6245520c249549ec267180beaffcc0615401ac8e31853d4b6d8d2"
 dependencies = [
  "tinyvec_macros",
 ]
@@ -1634,41 +1611,32 @@ dependencies = [
  "tree-sitter",
 ]
 
-[[package]]
-name = "treeline"
-version = "0.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a7f741b240f1a48843f9b8e0444fb55fb2a4ff67293b50a9179dfd5ea67f8d41"
-
 [[package]]
 name = "unicode-bidi"
-version = "0.3.4"
+version = "0.3.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "49f2bd0c6468a8230e1db229cff8029217cf623c767ea5d60bfbd42729ea54d5"
-dependencies = [
- "matches",
-]
+checksum = "1a01404663e3db436ed2746d9fefef640d868edae3cceb81c3b8d5732fda678f"
 
 [[package]]
 name = "unicode-normalization"
-version = "0.1.16"
+version = "0.1.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a13e63ab62dbe32aeee58d1c5408d35c36c392bba5d9d3142287219721afe606"
+checksum = "d54590932941a9e9266f0832deed84ebe1bf2e4c9e4a3554d393d18f5e854bf9"
 dependencies = [
  "tinyvec",
 ]
 
 [[package]]
 name = "unicode-xid"
-version = "0.2.1"
+version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f7fe0bb3479651439c9112f72b6c505038574c9fbb575ed1bf3b797fa39dd564"
+checksum = "8ccb82d61f80a663efe1f787a51b16b5a51e3314d6ac365b08639f52387b33f3"
 
 [[package]]
 name = "url"
-version = "2.2.0"
+version = "2.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5909f2b0817350449ed73e8bcd81c8c3c8d9a7a5d8acba4b27db277f1868976e"
+checksum = "a507c383b2d33b5fc35d1861e77e6b383d158b2da5e14fe51b83dfedf6fd578c"
 dependencies = [
  "form_urlencoded",
  "idna",
@@ -1677,17 +1645,11 @@ dependencies = [
  "serde",
 ]
 
-[[package]]
-name = "version_check"
-version = "0.9.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b5a972e5669d67ba988ce3dc826706fb0a8b01471c088cb0b6110b805cc36aed"
-
 [[package]]
 name = "walkdir"
-version = "2.3.1"
+version = "2.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "777182bc735b6424e1a57516d35ed72cb8019d85c8c9bf536dccb3445c1a2f7d"
+checksum = "808cf2735cd4b6866113f648b791c6adc5714537bc222d9347bb203386ffda56"
 dependencies = [
  "same-file",
  "winapi",
@@ -1701,10 +1663,16 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fd6fbd9a79829dd1ad0cc20627bf1ed606756a7f77edff7b66b7064f9cb327c6"
 
 [[package]]
-name = "wasm-bindgen"
-version = "0.2.79"
+name = "wasi"
+version = "0.11.0+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "25f1af7423d8588a3d840681122e72e6a24ddbcb3f0ec385cac0d12d24256c06"
+checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
+
+[[package]]
+name = "wasm-bindgen"
+version = "0.2.80"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "27370197c907c55e3f1a9fbe26f44e937fe6451368324e009cba39e139dc08ad"
 dependencies = [
  "cfg-if 1.0.0",
  "wasm-bindgen-macro",
@@ -1712,9 +1680,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-backend"
-version = "0.2.79"
+version = "0.2.80"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8b21c0df030f5a177f3cba22e9bc4322695ec43e7257d865302900290bcdedca"
+checksum = "53e04185bfa3a779273da532f5025e33398409573f348985af9a1cbf3774d3f4"
 dependencies = [
  "bumpalo",
  "lazy_static",
@@ -1727,9 +1695,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-macro"
-version = "0.2.79"
+version = "0.2.80"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2f4203d69e40a52ee523b2529a773d5ffc1dc0071801c87b3d270b471b80ed01"
+checksum = "17cae7ff784d7e83a2fe7611cfe766ecf034111b49deb850a3dc7699c08251f5"
 dependencies = [
  "quote",
  "wasm-bindgen-macro-support",
@@ -1737,9 +1705,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-macro-support"
-version = "0.2.79"
+version = "0.2.80"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bfa8a30d46208db204854cadbb5d4baf5fcf8071ba5bf48190c3e59937962ebc"
+checksum = "99ec0dc7a4756fffc231aab1b9f2f578d23cd391390ab27f952ae0c9b3ece20b"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1750,9 +1718,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-shared"
-version = "0.2.79"
+version = "0.2.80"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3d958d035c4438e28c70e4321a2911302f10135ce78a9c7834c0cab4123d06a2"
+checksum = "d554b7f530dee5964d9a9468d95c1f8b8acae4f282807e7d27d4b03099a46744"
 
 [[package]]
 name = "wayland-client"
@@ -1839,9 +1807,9 @@ dependencies = [
 
 [[package]]
 name = "web-sys"
-version = "0.3.56"
+version = "0.3.57"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c060b319f29dd25724f09a2ba1418f142f539b2be99fbf4d2d5a8f7330afb8eb"
+checksum = "7b17e741662c70c8bd24ac5c5b18de314a2c26c32bf8346ee1e6f53de919c283"
 dependencies = [
  "js-sys",
  "wasm-bindgen",
@@ -1886,8 +1854,8 @@ checksum = "9b43cc931d58b99461188607efd7acb2a093e65fc621f54cad78517a6063e73a"
 dependencies = [
  "bitflags",
  "cocoa",
- "core-foundation 0.9.1",
- "core-graphics 0.22.2",
+ "core-foundation 0.9.3",
+ "core-graphics 0.22.3",
  "core-video-sys",
  "dispatch",
  "instant",
@@ -1913,27 +1881,26 @@ dependencies = [
 
 [[package]]
 name = "x11-dl"
-version = "2.18.5"
+version = "2.19.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2bf981e3a5b3301209754218f962052d4d9ee97e478f4d26d4a6eced34c1fef8"
+checksum = "ea26926b4ce81a6f5d9d0f3a0bc401e5a37c6ae14a1bfaa8ff6099ca80038c59"
 dependencies = [
  "lazy_static",
  "libc",
- "maybe-uninit",
  "pkg-config",
 ]
 
 [[package]]
 name = "xcursor"
-version = "0.3.3"
+version = "0.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3a9a231574ae78801646617cefd13bfe94be907c0e4fa979cfd8b770aa3c5d08"
+checksum = "463705a63313cd4301184381c5e8042f0a7e9b4bb63653f216311d4ae74690b7"
 dependencies = [
  "nom",
 ]
 
 [[package]]
 name = "xml-rs"
-version = "0.8.3"
+version = "0.8.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b07db065a5cf61a7e4ba64f29e67db906fb1787316516c4e6e5ff0fea1efcd8a"
+checksum = "d2d7d3948613f75c98fd9328cfdcc45acc4d360655289d0a7d4ec931392200a3"
diff --git a/server/main/src/dfs.rs b/server/main/src/dfs.rs
index dfba565..03be1a7 100644
--- a/server/main/src/dfs.rs
+++ b/server/main/src/dfs.rs
@@ -134,7 +134,7 @@ pub mod error {
     impl From<CycleError> for Diagnostic {
         fn from(e: CycleError) -> Diagnostic {
             Diagnostic {
-                severity: Some(DiagnosticSeverity::Error),
+                severity: Some(DiagnosticSeverity::ERROR),
                 range: Range::new(Position::new(0, 0), Position::new(0, 500)),
                 source: Some(consts::SOURCE.into()),
                 message: e.into(),
diff --git a/server/main/src/diagnostics_parser.rs b/server/main/src/diagnostics_parser.rs
index f798827..978dcd9 100644
--- a/server/main/src/diagnostics_parser.rs
+++ b/server/main/src/diagnostics_parser.rs
@@ -73,11 +73,11 @@ impl<'a, T: opengl::ShaderValidator + ?Sized> DiagnosticsParser<'a, T> {
 
             let severity = match diagnostic_capture.name("severity") {
                 Some(c) => match c.as_str().to_lowercase().as_str() {
-                    "error" => DiagnosticSeverity::Error,
-                    "warning" => DiagnosticSeverity::Warning,
-                    _ => DiagnosticSeverity::Information,
+                    "error" => DiagnosticSeverity::ERROR,
+                    "warning" => DiagnosticSeverity::WARNING,
+                    _ => DiagnosticSeverity::INFORMATION,
                 },
-                _ => DiagnosticSeverity::Information,
+                _ => DiagnosticSeverity::INFORMATION,
             };
 
             let origin = match diagnostic_capture.name("filepath") {
diff --git a/server/main/src/main.rs b/server/main/src/main.rs
index 01c4217..90f4d58 100644
--- a/server/main/src/main.rs
+++ b/server/main/src/main.rs
@@ -1,4 +1,5 @@
 #![feature(once_cell)]
+#![feature(option_get_or_insert_default)]
 
 use merge_views::FilialTuple;
 use rust_lsp::jsonrpc::{method_types::*, *};
@@ -517,6 +518,7 @@ impl LanguageServerHandling for MinecraftShaderLanguageServer {
             let capabilities = ServerCapabilities {
                 definition_provider: Some(OneOf::Left(true)),
                 references_provider: Some(OneOf::Left(true)),
+                document_symbol_provider: Some(OneOf::Left(true)),
                 document_link_provider: Some(DocumentLinkOptions {
                     resolve_provider: None,
                     work_done_progress_options: WorkDoneProgressOptions { work_done_progress: None },
@@ -529,7 +531,7 @@ impl LanguageServerHandling for MinecraftShaderLanguageServer {
                     open_close: Some(true),
                     will_save: None,
                     will_save_wait_until: None,
-                    change: Some(TextDocumentSyncKind::Full),
+                    change: Some(TextDocumentSyncKind::FULL),
                     save: Some(TextDocumentSyncSaveOptions::SaveOptions(SaveOptions { include_text: Some(true) })),
                 })),
                 ..ServerCapabilities::default()
@@ -661,7 +663,7 @@ impl LanguageServerHandling for MinecraftShaderLanguageServer {
                         .send_notification(
                             ShowMessage::METHOD,
                             ShowMessageParams {
-                                typ: MessageType::Info,
+                                typ: MessageType::INFO,
                                 message: format!("Command {} executed successfully.", params.command),
                             },
                         )
@@ -674,7 +676,7 @@ impl LanguageServerHandling for MinecraftShaderLanguageServer {
                         .send_notification(
                             ShowMessage::METHOD,
                             ShowMessageParams {
-                                typ: MessageType::Error,
+                                typ: MessageType::ERROR,
                                 message: format!("Failed to execute `{}`. Reason: {}", params.command, err),
                             },
                         )
@@ -751,11 +753,38 @@ impl LanguageServerHandling for MinecraftShaderLanguageServer {
         completable.complete(Err(Self::error_not_available(())));
     }
 
-    fn document_symbols(&mut self, _: DocumentSymbolParams, completable: LSCompletable<Vec<SymbolInformation>>) {
-        completable.complete(Err(Self::error_not_available(())));
+    fn document_symbols(&mut self, params: DocumentSymbolParams, completable: LSCompletable<DocumentSymbolResponse>) {
+        logging::slog_with_trace_id(|| {
+            let path = PathBuf::from_url(params.text_document.uri);
+            if !path.starts_with(&self.root) {
+                return;
+            }
+            let parser = &mut self.tree_sitter.borrow_mut();
+            let parser_ctx = match navigation::ParserContext::new(parser, &path) {
+                Ok(ctx) => ctx,
+                Err(e) => {
+                    return completable.complete(Err(MethodError {
+                        code: 42069,
+                        message: format!("error building parser context: error={}, path={:?}", e, path),
+                        data: (),
+                    }))
+                }
+            };
+
+            match parser_ctx.list_symbols(&path) {
+                Ok(symbols) => completable.complete(Ok(DocumentSymbolResponse::from(symbols.unwrap_or_default()))),
+                Err(e) => {
+                    return completable.complete(Err(MethodError {
+                        code: 42069,
+                        message: format!("error finding definitions: error={}, path={:?}", e, path),
+                        data: (),
+                    }))
+                }
+            }
+        });
     }
 
-    fn workspace_symbols(&mut self, _: WorkspaceSymbolParams, completable: LSCompletable<Vec<SymbolInformation>>) {
+    fn workspace_symbols(&mut self, _: WorkspaceSymbolParams, completable: LSCompletable<DocumentSymbolResponse>) {
         completable.complete(Err(Self::error_not_available(())));
     }
 
diff --git a/server/main/src/navigation.rs b/server/main/src/navigation.rs
index 884171c..d1b3c82 100644
--- a/server/main/src/navigation.rs
+++ b/server/main/src/navigation.rs
@@ -1,13 +1,60 @@
-use std::{fs::read_to_string, path::Path};
+use std::{collections::HashMap, fs::read_to_string, path::Path, vec};
 
 use anyhow::Result;
-use rust_lsp::lsp_types::{Location, Position, Range};
+use rust_lsp::lsp_types::{DocumentSymbol, Location, Position, Range, SymbolKind};
 use slog_scope::{debug, info, trace};
 use tree_sitter::{Node, Parser, Point, Query, QueryCursor, Tree};
 use url::Url;
 
 use crate::linemap::LineMap;
 
+#[derive(Clone, Debug, Hash, PartialEq, Eq, Default)]
+struct SymbolName(String);
+
+impl SymbolName {
+    // construct a new SymbolName from a node and its node ID for overload disambiguating.
+    fn new(node: &Node, source: &str, node_id: usize) -> Self {
+        let mut fqname = vec![format!("{}[{}]", node.utf8_text(source.as_bytes()).unwrap(), node_id)];
+
+        // first node will always have a parent
+        let mut prev = *node;
+        let mut node = node.parent().unwrap();
+
+        loop {
+            match (node.kind(), prev.kind()) {
+                ("function_definition", "compound_statement") => {
+                    let func_ident = node.child_by_field_name("declarator").unwrap().child(0).unwrap();
+                    fqname.push(format!("{}[{}]", func_ident.utf8_text(source.as_bytes()).unwrap(), func_ident.id()));
+                }
+                ("struct_specifier", "field_declaration_list") => {
+                    let struct_ident = node.child_by_field_name("name").unwrap();
+                    fqname.push(format!("{}[{}]", struct_ident.utf8_text(source.as_bytes()).unwrap(), struct_ident.id()));
+                }
+                _ => (),
+            }
+
+            prev = node;
+            node = match node.parent() {
+                Some(n) => n,
+                None => break,
+            };
+        }
+
+        fqname.reverse();
+        SymbolName(fqname.join("/"))
+    }
+
+    fn parent(&self) -> Option<Self> {
+        self.0.rsplit_once('/').map(|(left, _)| SymbolName(left.to_string()))
+    }
+}
+
+impl slog::Value for SymbolName {
+    fn serialize(&self, record: &slog::Record, key: slog::Key, serializer: &mut dyn slog::Serializer) -> slog::Result {
+        self.0.serialize(record, key, serializer)
+    }
+}
+
 macro_rules! find_function_def_str {
     () => {
         r#"
@@ -35,24 +82,58 @@ macro_rules! find_function_refs_str {
 macro_rules! find_variable_def_str {
     () => {
         r#"
-            (
-                [
-                    (init_declarator 
-                        (identifier) @variable)
-                        
-                    (parameter_declaration
-                        (identifier) @variable)
-                        
-                    (declaration
-                        (identifier) @variable)
+            [
+                (init_declarator 
+                    (identifier) @variable)
                     
-                    (#match? @variable "^{}$")
-                ]
-            )	        
+                (parameter_declaration
+                    (identifier) @variable)
+                    
+                (declaration
+                    (identifier) @variable)
+                
+                (#match? @variable "^{}$")
+            ]
         "#
     };
 }
 
+const LIST_SYMBOLS_STR: &str = r#"
+    ; global consts
+    (declaration
+        (type_qualifier) @const_qualifier
+            (init_declarator
+                (identifier) @const_ident))
+    (#match? @const_qualifier "^const")
+    
+    ; global uniforms, varyings, struct variables etc
+    (translation_unit
+    	(declaration
+    		(identifier) @ident))
+        
+    ; #defines
+    (preproc_def
+        (identifier) @define_ident)
+    
+    ; function definitions
+    (function_declarator
+        (identifier) @func_ident)
+
+    ; struct definitions
+    (struct_specifier
+        (type_identifier) @struct_ident)
+
+    ; struct fields
+    (struct_specifier
+        (field_declaration_list
+            (field_declaration
+                [
+                  (field_identifier) @field_ident
+                  (array_declarator
+                      (field_identifier) @field_ident)
+                 ])) @field_list)
+"#;
+
 pub struct ParserContext<'a> {
     source: String,
     tree: Tree,
@@ -76,6 +157,89 @@ impl<'a> ParserContext<'a> {
         })
     }
 
+    pub fn list_symbols(&self, _path: &Path) -> Result<Option<Vec<DocumentSymbol>>> {
+        let query = Query::new(tree_sitter_glsl::language(), LIST_SYMBOLS_STR)?;
+        let mut query_cursor = QueryCursor::new();
+
+        let mut parent_child_vec: Vec<(Option<SymbolName>, DocumentSymbol)> = vec![];
+        let mut fqname_to_index: HashMap<SymbolName, usize> = HashMap::new();
+
+        for (m, _) in query_cursor.captures(&query, self.root_node(), self.source.as_bytes()) {
+            if m.captures.is_empty() {
+                continue;
+            }
+
+            let mut capture_iter = m.captures.iter();
+
+            let capture = capture_iter.next().unwrap();
+            let capture_name = query.capture_names()[capture.index as usize].as_str();
+
+            trace!("next capture name"; "name" => capture_name, "capture" => format!("{:?}", capture));
+
+            let (kind, node) = match capture_name {
+                "const_qualifier" => (SymbolKind::CONSTANT, capture_iter.next().unwrap().node),
+                "ident" => (SymbolKind::VARIABLE, capture.node),
+                "func_ident" => (SymbolKind::FUNCTION, capture.node),
+                "define_ident" => (SymbolKind::STRING, capture.node),
+                "struct_ident" => (SymbolKind::STRUCT, capture.node),
+                "field_list" => (SymbolKind::FIELD, capture_iter.next().unwrap().node),
+                _ => (SymbolKind::NULL, capture.node),
+            };
+
+            let range = Range {
+                start: Position {
+                    line: node.start_position().row as u32,
+                    character: node.start_position().column as u32,
+                },
+                end: Position {
+                    line: node.end_position().row as u32,
+                    character: node.end_position().column as u32,
+                },
+            };
+
+            let name = node.utf8_text(self.source.as_bytes()).unwrap().to_string();
+
+            let fqname = SymbolName::new(&node, self.source.as_str(), node.id());
+
+            debug!("found symbol"; "node_name" => &name, "kind" => format!("{:?}", kind), "fqname" => &fqname);
+
+            let child_symbol = DocumentSymbol {
+                name,
+                detail: None,
+                kind,
+                tags: None,
+                deprecated: None,
+                range,
+                selection_range: range,
+                children: None,
+            };
+            parent_child_vec.push((fqname.parent(), child_symbol));
+            trace!("inserting fqname"; "fqname" => &fqname, "index" => parent_child_vec.len() - 1);
+            fqname_to_index.insert(fqname, parent_child_vec.len() - 1);
+        }
+
+        // let mut symbols = vec![];
+        for i in 1..parent_child_vec.len() {
+            let (left, right) = parent_child_vec.split_at_mut(i);
+            let parent = &right[0].0;
+            let child = &right[0].1;
+            if let Some(parent) = parent {
+                trace!("finding parent"; "parent_symbol_name" => &parent, "child" => format!("{:?}", child), "split_point" => i, "left_len" => left.len(), "right_len" => right.len());
+                let parent_index = fqname_to_index.get(parent).unwrap();
+                let parent_sym = &mut left[*parent_index];
+                parent_sym.1.children.get_or_insert_default().push(right[0].1.clone())
+            }
+        }
+
+        let symbols = parent_child_vec
+            .iter()
+            .filter(|tuple| tuple.0.is_none())
+            .map(|tuple| tuple.1.clone())
+            .collect();
+
+        Ok(Some(symbols))
+    }
+
     pub fn find_definitions(&self, path: &Path, point: Position) -> Result<Option<Vec<Location>>> {
         let current_node = match self.find_node_at_point(point) {
             Some(node) => node,
@@ -94,12 +258,10 @@ impl<'a> ParserContext<'a> {
                 let query_str = format!(find_function_def_str!(), current_node.utf8_text(self.source.as_bytes())?);
                 self.simple_global_search(path, &query_str)?
             }
-            ("identifier", "argument_list") | 
-            ("identifier", "field_expression") | 
-            ("identifier", "binary_expression") |
-            ("identifier", "assignment_expression") => {
-                self.tree_climbing_search(path, current_node)?
-            }
+            ("identifier", "argument_list")
+            | ("identifier", "field_expression")
+            | ("identifier", "binary_expression")
+            | ("identifier", "assignment_expression") => self.tree_climbing_search(path, current_node)?,
             _ => return Ok(None),
         };