From bc59b6f5759f20febe7781a887899f5f901bf19c Mon Sep 17 00:00:00 2001
From: sofia <sofia@teascade.net>
Date: Tue, 29 Jul 2025 17:48:45 +0300
Subject: [PATCH] Start adding LSP implementation

---
 Cargo.lock                                 | 937 +++++++++++++++++++++
 Cargo.toml                                 |   5 +-
 reid-lsp/.gitignore                        |   6 +
 reid-lsp/.npmrc                            |   1 +
 reid-lsp/.vscode-test.mjs                  |   5 +
 reid-lsp/.vscodeignore                     |  15 +
 reid-lsp/CHANGELOG.md                      |   9 +
 reid-lsp/Cargo.toml                        |   9 +
 reid-lsp/README.md                         |  71 ++
 reid-lsp/client/package.json               |  27 +
 reid-lsp/client/src/extension.ts           |  69 ++
 reid-lsp/client/src/test/extension.test.ts |  15 +
 reid-lsp/client/tsconfig.json              |  24 +
 reid-lsp/eslint.config.mjs                 |  28 +
 reid-lsp/package.json                      |  76 ++
 reid-lsp/src/main.rs                       |  41 +
 reid-lsp/tsconfig.json                     |  29 +
 reid-lsp/vsc-extension-quickstart.md       |  48 ++
 reid-lsp/webpack.config.js                 |  48 ++
 19 files changed, 1461 insertions(+), 2 deletions(-)
 create mode 100644 reid-lsp/.gitignore
 create mode 100644 reid-lsp/.npmrc
 create mode 100644 reid-lsp/.vscode-test.mjs
 create mode 100644 reid-lsp/.vscodeignore
 create mode 100644 reid-lsp/CHANGELOG.md
 create mode 100644 reid-lsp/Cargo.toml
 create mode 100644 reid-lsp/README.md
 create mode 100644 reid-lsp/client/package.json
 create mode 100644 reid-lsp/client/src/extension.ts
 create mode 100644 reid-lsp/client/src/test/extension.test.ts
 create mode 100644 reid-lsp/client/tsconfig.json
 create mode 100644 reid-lsp/eslint.config.mjs
 create mode 100644 reid-lsp/package.json
 create mode 100644 reid-lsp/src/main.rs
 create mode 100644 reid-lsp/tsconfig.json
 create mode 100644 reid-lsp/vsc-extension-quickstart.md
 create mode 100644 reid-lsp/webpack.config.js

diff --git a/Cargo.lock b/Cargo.lock
index b7b0a65..56ce98d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2,12 +2,88 @@
 # It is not intended for manual editing.
 version = 4
 
+[[package]]
+name = "addr2line"
+version = "0.24.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dfbe277e56a376000877090da837660b4427aad530e3028d44e0bffe4f89a1c1"
+dependencies = [
+ "gimli",
+]
+
+[[package]]
+name = "adler2"
+version = "2.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "320119579fcad9c21884f5c4861d16174d0e06250625266f50fe6898340abefa"
+
 [[package]]
 name = "anyhow"
 version = "1.0.98"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e16d2d3311acee920a9eb8d33b8cbc1787ce4a264e85f964c2404b969bdcd487"
 
+[[package]]
+name = "async-trait"
+version = "0.1.88"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e539d3fca749fcee5236ab05e93a52867dd549cc157c8cb7f99595f3cedffdb5"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "auto_impl"
+version = "1.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ffdcb70bdbc4d478427380519163274ac86e52916e10f0a8889adf0f96d3fee7"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "autocfg"
+version = "1.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c08606f8c3cbf4ce6ec8e28fb0014a2c086708fe954eaa885384a6165172e7e8"
+
+[[package]]
+name = "backtrace"
+version = "0.3.75"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6806a6321ec58106fea15becdad98371e28d92ccbc7c8f1b3b6dd724fe8f1002"
+dependencies = [
+ "addr2line",
+ "cfg-if",
+ "libc",
+ "miniz_oxide",
+ "object",
+ "rustc-demangle",
+ "windows-targets",
+]
+
+[[package]]
+name = "bitflags"
+version = "1.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
+
+[[package]]
+name = "bitflags"
+version = "2.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1b8e56985ec62d17e9c1001dc89c88ecd7dc08e47eba5ec7c29c7b5eeecde967"
+
+[[package]]
+name = "bytes"
+version = "1.10.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d71b6127be86fdcfddb610f7182ac57211d4b18a3e9c82eb2d17662f2227ad6a"
+
 [[package]]
 name = "cc"
 version = "1.2.29"
@@ -17,6 +93,12 @@ dependencies = [
  "shlex",
 ]
 
+[[package]]
+name = "cfg-if"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9555578bc9e57714c812a1f84e4fc5b4d21fcb063490c624de019f7464c91268"
+
 [[package]]
 name = "colored"
 version = "3.0.0"
@@ -26,6 +108,258 @@ dependencies = [
  "windows-sys",
 ]
 
+[[package]]
+name = "dashmap"
+version = "5.5.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "978747c1d849a7d2ee5e8adc0159961c48fb7e5db2f06af6723b80123bb53856"
+dependencies = [
+ "cfg-if",
+ "hashbrown",
+ "lock_api",
+ "once_cell",
+ "parking_lot_core",
+]
+
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+version = "0.2.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "97369cbbc041bc366949bc74d34658d6cda5621039731c6310521892a3a20ae0"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "form_urlencoded"
+version = "1.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e13624c2627564efccf4934284bdd98cbaa14e79b0b5a141218e507b3a823456"
+dependencies = [
+ "percent-encoding",
+]
+
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+name = "futures"
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+checksum = "65bc07b1a8bc7c85c5f2e110c476c7389b4554ba72af57d8445ea63a576b0876"
+dependencies = [
+ "futures-channel",
+ "futures-core",
+ "futures-io",
+ "futures-sink",
+ "futures-task",
+ "futures-util",
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+
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+dependencies = [
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "05f29059c0c2090612e8d742178b0580d2dc940c837851ad723096f87af6663e"
+
+[[package]]
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+version = "0.3.31"
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+dependencies = [
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+dependencies = [
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+ "futures-macro",
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+ "memchr",
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+dependencies = [
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+ "potential_utf",
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+ "zerofrom",
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+dependencies = [
+ "displaydoc",
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+ "tinystr",
+ "writeable",
+ "zerovec",
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+
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+dependencies = [
+ "displaydoc",
+ "icu_collections",
+ "icu_normalizer_data",
+ "icu_properties",
+ "icu_provider",
+ "smallvec",
+ "zerovec",
+]
+
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+checksum = "016c619c1eeb94efb86809b015c58f479963de65bdb6253345c1a1276f22e32b"
+dependencies = [
+ "displaydoc",
+ "icu_collections",
+ "icu_locale_core",
+ "icu_properties_data",
+ "icu_provider",
+ "potential_utf",
+ "zerotrie",
+ "zerovec",
+]
+
+[[package]]
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+version = "2.0.1"
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+
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+checksum = "03c80da27b5f4187909049ee2d72f276f0d9f99a42c306bd0131ecfe04d8e5af"
+dependencies = [
+ "displaydoc",
+ "icu_locale_core",
+ "stable_deref_trait",
+ "tinystr",
+ "writeable",
+ "yoke",
+ "zerofrom",
+ "zerotrie",
+ "zerovec",
+]
+
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "686f825264d630750a544639377bae737628043f20d38bbc029e8f29ea968a7e"
+dependencies = [
+ "idna_adapter",
+ "smallvec",
+ "utf8_iter",
+]
+
+[[package]]
+name = "idna_adapter"
+version = "1.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3acae9609540aa318d1bc588455225fb2085b9ed0c4f6bd0d9d5bcd86f1a0344"
+dependencies = [
+ "icu_normalizer",
+ "icu_properties",
+]
+
+[[package]]
+name = "io-uring"
+version = "0.7.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d93587f37623a1a17d94ef2bc9ada592f5465fe7732084ab7beefabe5c77c0c4"
+dependencies = [
+ "bitflags 2.9.1",
+ "cfg-if",
+ "libc",
+]
+
+[[package]]
+name = "itoa"
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4a5f13b858c8d314ee3e8f639011f7ccefe71f97f96e50151fb991f267928e2c"
+
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@@ -38,6 +372,12 @@ version = "0.2.174"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1171693293099992e19cddea4e8b849964e9846f4acee11b3948bcc337be8776"
 
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+version = "0.8.0"
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+checksum = "241eaef5fd12c88705a01fc1066c48c4b36e0dd4377dcdc7ec3942cea7a69956"
+
 [[package]]
 name = "llvm-sys"
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@@ -52,6 +392,213 @@ dependencies = [
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 ]
 
+[[package]]
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+version = "0.4.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "96936507f153605bddfcda068dd804796c84324ed2510809e5b2a624c81da765"
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+
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+ "serde",
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+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "pin-project-lite"
+version = "0.2.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3b3cff922bd51709b605d9ead9aa71031d81447142d828eb4a6eba76fe619f9b"
+
+[[package]]
+name = "pin-utils"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
+
+[[package]]
+name = "potential_utf"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e5a7c30837279ca13e7c867e9e40053bc68740f988cb07f7ca6df43cc734b585"
+dependencies = [
+ "zerovec",
+]
+
 [[package]]
 name = "proc-macro2"
 version = "1.0.95"
@@ -70,6 +617,15 @@ dependencies = [
  "proc-macro2",
 ]
 
+[[package]]
+name = "redox_syscall"
+version = "0.5.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5407465600fb0548f1442edf71dd20683c6ed326200ace4b1ef0763521bb3b77"
+dependencies = [
+ "bitflags 2.9.1",
+]
+
 [[package]]
 name = "regex-lite"
 version = "0.1.6"
@@ -93,18 +649,135 @@ dependencies = [
  "thiserror",
 ]
 
+[[package]]
+name = "reid-lsp"
+version = "0.1.0"
+dependencies = [
+ "socket",
+ "tokio",
+ "tower-lsp",
+]
+
+[[package]]
+name = "rustc-demangle"
+version = "0.1.26"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "56f7d92ca342cea22a06f2121d944b4fd82af56988c270852495420f961d4ace"
+
+[[package]]
+name = "ryu"
+version = "1.0.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "28d3b2b1366ec20994f1fd18c3c594f05c5dd4bc44d8bb0c1c632c8d6829481f"
+
+[[package]]
+name = "scopeguard"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "94143f37725109f92c262ed2cf5e59bce7498c01bcc1502d7b9afe439a4e9f49"
+
 [[package]]
 name = "semver"
 version = "1.0.26"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "56e6fa9c48d24d85fb3de5ad847117517440f6beceb7798af16b4a87d616b8d0"
 
+[[package]]
+name = "serde"
+version = "1.0.219"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5f0e2c6ed6606019b4e29e69dbaba95b11854410e5347d525002456dbbb786b6"
+dependencies = [
+ "serde_derive",
+]
+
+[[package]]
+name = "serde_derive"
+version = "1.0.219"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5b0276cf7f2c73365f7157c8123c21cd9a50fbbd844757af28ca1f5925fc2a00"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "serde_json"
+version = "1.0.141"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "30b9eff21ebe718216c6ec64e1d9ac57087aad11efc64e32002bce4a0d4c03d3"
+dependencies = [
+ "itoa",
+ "memchr",
+ "ryu",
+ "serde",
+]
+
+[[package]]
+name = "serde_repr"
+version = "0.1.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "175ee3e80ae9982737ca543e96133087cbd9a485eecc3bc4de9c1a37b47ea59c"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "shlex"
 version = "1.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0fda2ff0d084019ba4d7c6f371c95d8fd75ce3524c3cb8fb653a3023f6323e64"
 
+[[package]]
+name = "signal-hook-registry"
+version = "1.4.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9203b8055f63a2a00e2f593bb0510367fe707d7ff1e5c872de2f537b339e5410"
+dependencies = [
+ "libc",
+]
+
+[[package]]
+name = "slab"
+version = "0.4.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "04dc19736151f35336d325007ac991178d504a119863a2fcb3758cdb5e52c50d"
+
+[[package]]
+name = "smallvec"
+version = "1.15.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "67b1b7a3b5fe4f1376887184045fcf45c69e92af734b7aaddc05fb777b6fbd03"
+
+[[package]]
+name = "socket"
+version = "0.0.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "36f1c5d7424494d003ee83bdc9dd719c4021aa02bcd7da7052cb1d461bfeb353"
+dependencies = [
+ "libc",
+ "num",
+]
+
+[[package]]
+name = "socket2"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "233504af464074f9d066d7b5416c5f9b894a5862a6506e306f7b816cdd6f1807"
+dependencies = [
+ "libc",
+ "windows-sys",
+]
+
+[[package]]
+name = "stable_deref_trait"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a8f112729512f8e442d81f95a8a7ddf2b7c6b8a1a6f509a95864142b30cab2d3"
+
 [[package]]
 name = "syn"
 version = "2.0.104"
@@ -116,6 +789,17 @@ dependencies = [
  "unicode-ident",
 ]
 
+[[package]]
+name = "synstructure"
+version = "0.13.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "728a70f3dbaf5bab7f0c4b1ac8d7ae5ea60a4b5549c8a5914361c99147a709d2"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "thiserror"
 version = "1.0.69"
@@ -136,12 +820,181 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "tinystr"
+version = "0.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5d4f6d1145dcb577acf783d4e601bc1d76a13337bb54e6233add580b07344c8b"
+dependencies = [
+ "displaydoc",
+ "zerovec",
+]
+
+[[package]]
+name = "tokio"
+version = "1.47.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "43864ed400b6043a4757a25c7a64a8efde741aed79a056a2fb348a406701bb35"
+dependencies = [
+ "backtrace",
+ "bytes",
+ "io-uring",
+ "libc",
+ "mio",
+ "parking_lot",
+ "pin-project-lite",
+ "signal-hook-registry",
+ "slab",
+ "socket2",
+ "tokio-macros",
+ "windows-sys",
+]
+
+[[package]]
+name = "tokio-macros"
+version = "2.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6e06d43f1345a3bcd39f6a56dbb7dcab2ba47e68e8ac134855e7e2bdbaf8cab8"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "tokio-util"
+version = "0.7.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "66a539a9ad6d5d281510d5bd368c973d636c02dbf8a67300bfb6b950696ad7df"
+dependencies = [
+ "bytes",
+ "futures-core",
+ "futures-sink",
+ "pin-project-lite",
+ "tokio",
+]
+
+[[package]]
+name = "tower"
+version = "0.4.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b8fa9be0de6cf49e536ce1851f987bd21a43b771b09473c3549a6c853db37c1c"
+dependencies = [
+ "futures-core",
+ "futures-util",
+ "pin-project",
+ "pin-project-lite",
+ "tower-layer",
+ "tower-service",
+]
+
+[[package]]
+name = "tower-layer"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "121c2a6cda46980bb0fcd1647ffaf6cd3fc79a013de288782836f6df9c48780e"
+
+[[package]]
+name = "tower-lsp"
+version = "0.20.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d4ba052b54a6627628d9b3c34c176e7eda8359b7da9acd497b9f20998d118508"
+dependencies = [
+ "async-trait",
+ "auto_impl",
+ "bytes",
+ "dashmap",
+ "futures",
+ "httparse",
+ "lsp-types",
+ "memchr",
+ "serde",
+ "serde_json",
+ "tokio",
+ "tokio-util",
+ "tower",
+ "tower-lsp-macros",
+ "tracing",
+]
+
+[[package]]
+name = "tower-lsp-macros"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "84fd902d4e0b9a4b27f2f440108dc034e1758628a9b702f8ec61ad66355422fa"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "tower-service"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8df9b6e13f2d32c91b9bd719c00d1958837bc7dec474d94952798cc8e69eeec3"
+
+[[package]]
+name = "tracing"
+version = "0.1.41"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "784e0ac535deb450455cbfa28a6f0df145ea1bb7ae51b821cf5e7927fdcfbdd0"
+dependencies = [
+ "pin-project-lite",
+ "tracing-attributes",
+ "tracing-core",
+]
+
+[[package]]
+name = "tracing-attributes"
+version = "0.1.30"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "81383ab64e72a7a8b8e13130c49e3dab29def6d0c7d76a03087b3cf71c5c6903"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "tracing-core"
+version = "0.1.34"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b9d12581f227e93f094d3af2ae690a574abb8a2b9b7a96e7cfe9647b2b617678"
+dependencies = [
+ "once_cell",
+]
+
 [[package]]
 name = "unicode-ident"
 version = "1.0.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5a5f39404a5da50712a4c1eecf25e90dd62b613502b7e925fd4e4d19b5c96512"
 
+[[package]]
+name = "url"
+version = "2.5.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "32f8b686cadd1473f4bd0117a5d28d36b1ade384ea9b5069a1c40aefed7fda60"
+dependencies = [
+ "form_urlencoded",
+ "idna",
+ "percent-encoding",
+ "serde",
+]
+
+[[package]]
+name = "utf8_iter"
+version = "1.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b6c140620e7ffbb22c2dee59cafe6084a59b5ffc27a8859a5f0d494b5d52b6be"
+
+[[package]]
+name = "wasi"
+version = "0.11.1+wasi-snapshot-preview1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ccf3ec651a847eb01de73ccad15eb7d99f80485de043efb2f370cd654f4ea44b"
+
 [[package]]
 name = "windows-sys"
 version = "0.59.0"
@@ -214,3 +1067,87 @@ name = "windows_x86_64_msvc"
 version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
+
+[[package]]
+name = "writeable"
+version = "0.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ea2f10b9bb0928dfb1b42b65e1f9e36f7f54dbdf08457afefb38afcdec4fa2bb"
+
+[[package]]
+name = "yoke"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5f41bb01b8226ef4bfd589436a297c53d118f65921786300e427be8d487695cc"
+dependencies = [
+ "serde",
+ "stable_deref_trait",
+ "yoke-derive",
+ "zerofrom",
+]
+
+[[package]]
+name = "yoke-derive"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "38da3c9736e16c5d3c8c597a9aaa5d1fa565d0532ae05e27c24aa62fb32c0ab6"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+ "synstructure",
+]
+
+[[package]]
+name = "zerofrom"
+version = "0.1.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "50cc42e0333e05660c3587f3bf9d0478688e15d870fab3346451ce7f8c9fbea5"
+dependencies = [
+ "zerofrom-derive",
+]
+
+[[package]]
+name = "zerofrom-derive"
+version = "0.1.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d71e5d6e06ab090c67b5e44993ec16b72dcbaabc526db883a360057678b48502"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+ "synstructure",
+]
+
+[[package]]
+name = "zerotrie"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "36f0bbd478583f79edad978b407914f61b2972f5af6fa089686016be8f9af595"
+dependencies = [
+ "displaydoc",
+ "yoke",
+ "zerofrom",
+]
+
+[[package]]
+name = "zerovec"
+version = "0.11.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4a05eb080e015ba39cc9e23bbe5e7fb04d5fb040350f99f34e338d5fdd294428"
+dependencies = [
+ "yoke",
+ "zerofrom",
+ "zerovec-derive",
+]
+
+[[package]]
+name = "zerovec-derive"
+version = "0.11.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5b96237efa0c878c64bd89c436f661be4e46b2f3eff1ebb976f7ef2321d2f58f"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
diff --git a/Cargo.toml b/Cargo.toml
index 640a093..87a9050 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,5 +1,6 @@
 [workspace]
 members = [
     "reid",
-    "reid-llvm-lib"
-]
\ No newline at end of file
+    "reid-llvm-lib", 
+    "reid-lsp"
+]
diff --git a/reid-lsp/.gitignore b/reid-lsp/.gitignore
new file mode 100644
index 0000000..68b46e6
--- /dev/null
+++ b/reid-lsp/.gitignore
@@ -0,0 +1,6 @@
+.vscode
+node_modules
+dist
+package-lock.json
+pnpm-lock.yaml
+tsconfig.tsbuildinfo
\ No newline at end of file
diff --git a/reid-lsp/.npmrc b/reid-lsp/.npmrc
new file mode 100644
index 0000000..37d1b60
--- /dev/null
+++ b/reid-lsp/.npmrc
@@ -0,0 +1 @@
+enable-pre-post-scripts = true
\ No newline at end of file
diff --git a/reid-lsp/.vscode-test.mjs b/reid-lsp/.vscode-test.mjs
new file mode 100644
index 0000000..b62ba25
--- /dev/null
+++ b/reid-lsp/.vscode-test.mjs
@@ -0,0 +1,5 @@
+import { defineConfig } from '@vscode/test-cli';
+
+export default defineConfig({
+	files: 'out/test/**/*.test.js',
+});
diff --git a/reid-lsp/.vscodeignore b/reid-lsp/.vscodeignore
new file mode 100644
index 0000000..b1b105a
--- /dev/null
+++ b/reid-lsp/.vscodeignore
@@ -0,0 +1,15 @@
+.vscode/**
+.vscode-test/**
+out/**
+node_modules/**
+src/**
+client/**
+.gitignore
+.yarnrc
+webpack.config.js
+vsc-extension-quickstart.md
+**/tsconfig.json
+**/eslint.config.mjs
+**/*.map
+**/*.ts
+**/.vscode-test.*
diff --git a/reid-lsp/CHANGELOG.md b/reid-lsp/CHANGELOG.md
new file mode 100644
index 0000000..874cc47
--- /dev/null
+++ b/reid-lsp/CHANGELOG.md
@@ -0,0 +1,9 @@
+# Change Log
+
+All notable changes to the "reid-lsp" extension will be documented in this file.
+
+Check [Keep a Changelog](http://keepachangelog.com/) for recommendations on how to structure this file.
+
+## [Unreleased]
+
+- Initial release
\ No newline at end of file
diff --git a/reid-lsp/Cargo.toml b/reid-lsp/Cargo.toml
new file mode 100644
index 0000000..b44d6fa
--- /dev/null
+++ b/reid-lsp/Cargo.toml
@@ -0,0 +1,9 @@
+[package]
+name = "reid-lsp"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
+socket = "0.0.7"
+tokio = { version = "1.47.0", features = ["full"] }
+tower-lsp = "0.20.0"
diff --git a/reid-lsp/README.md b/reid-lsp/README.md
new file mode 100644
index 0000000..459f2ae
--- /dev/null
+++ b/reid-lsp/README.md
@@ -0,0 +1,71 @@
+# reid-lsp README
+
+This is the README for your extension "reid-lsp". After writing up a brief description, we recommend including the following sections.
+
+## Features
+
+Describe specific features of your extension including screenshots of your extension in action. Image paths are relative to this README file.
+
+For example if there is an image subfolder under your extension project workspace:
+
+\!\[feature X\]\(images/feature-x.png\)
+
+> Tip: Many popular extensions utilize animations. This is an excellent way to show off your extension! We recommend short, focused animations that are easy to follow.
+
+## Requirements
+
+If you have any requirements or dependencies, add a section describing those and how to install and configure them.
+
+## Extension Settings
+
+Include if your extension adds any VS Code settings through the `contributes.configuration` extension point.
+
+For example:
+
+This extension contributes the following settings:
+
+* `myExtension.enable`: Enable/disable this extension.
+* `myExtension.thing`: Set to `blah` to do something.
+
+## Known Issues
+
+Calling out known issues can help limit users opening duplicate issues against your extension.
+
+## Release Notes
+
+Users appreciate release notes as you update your extension.
+
+### 1.0.0
+
+Initial release of ...
+
+### 1.0.1
+
+Fixed issue #.
+
+### 1.1.0
+
+Added features X, Y, and Z.
+
+---
+
+## Following extension guidelines
+
+Ensure that you've read through the extensions guidelines and follow the best practices for creating your extension.
+
+* [Extension Guidelines](https://code.visualstudio.com/api/references/extension-guidelines)
+
+## Working with Markdown
+
+You can author your README using Visual Studio Code. Here are some useful editor keyboard shortcuts:
+
+* Split the editor (`Cmd+\` on macOS or `Ctrl+\` on Windows and Linux).
+* Toggle preview (`Shift+Cmd+V` on macOS or `Shift+Ctrl+V` on Windows and Linux).
+* Press `Ctrl+Space` (Windows, Linux, macOS) to see a list of Markdown snippets.
+
+## For more information
+
+* [Visual Studio Code's Markdown Support](http://code.visualstudio.com/docs/languages/markdown)
+* [Markdown Syntax Reference](https://help.github.com/articles/markdown-basics/)
+
+**Enjoy!**
diff --git a/reid-lsp/client/package.json b/reid-lsp/client/package.json
new file mode 100644
index 0000000..9a6139b
--- /dev/null
+++ b/reid-lsp/client/package.json
@@ -0,0 +1,27 @@
+{
+  "name": "reid-lsp",
+  "displayName": "Reid Language Server",
+  "description": "Language Server Extension for Reid",
+  "version": "0.0.1",
+  "engines": {
+    "vscode": "^1.102.0"
+  },
+  "main": "../out/extension.js",
+  "devDependencies": {
+    "@types/mocha": "^10.0.10",
+    "@types/node": "20.x",
+    "@types/vscode": "^1.102.0",
+    "@typescript-eslint/eslint-plugin": "^8.31.1",
+    "@typescript-eslint/parser": "^8.31.1",
+    "@vscode/test-cli": "^0.0.11",
+    "@vscode/test-electron": "^2.5.2",
+    "eslint": "^9.25.1",
+    "ts-loader": "^9.5.2",
+    "typescript": "^5.8.3",
+    "webpack": "^5.99.7",
+    "webpack-cli": "^6.0.1"
+  },
+  "dependencies": {
+    "vscode-languageclient": "^9.0.1"
+  }
+}
\ No newline at end of file
diff --git a/reid-lsp/client/src/extension.ts b/reid-lsp/client/src/extension.ts
new file mode 100644
index 0000000..e286bb7
--- /dev/null
+++ b/reid-lsp/client/src/extension.ts
@@ -0,0 +1,69 @@
+/* --------------------------------------------------------------------------------------------
+ * Copyright (c) Microsoft Corporation. All rights reserved.
+ * Licensed under the MIT License. See License.txt in the project root for license information.
+ * ------------------------------------------------------------------------------------------ */
+
+import * as path from 'path';
+import { workspace, ExtensionContext, window } from 'vscode';
+
+import {
+	Executable,
+	LanguageClient,
+	LanguageClientOptions,
+	ServerOptions,
+	TransportKind
+} from 'vscode-languageclient/node';
+
+
+let client: LanguageClient;
+
+export function activate(context: ExtensionContext) {
+	const traceOutputChannel = window.createOutputChannel("Reid Language Server trace");
+	const command = process.env.SERVER_PATH || "reid-language-server";
+
+
+	const run: Executable = {
+		command,
+		options: {
+			env: {
+				...process.env,
+				RUST_LOG: "debug",
+			}
+		}
+	};
+
+	const serverOptions: ServerOptions = {
+		run,
+		debug: run,
+	};
+
+	// Options to control the language client
+	const clientOptions: LanguageClientOptions = {
+		// Register the server for plain text documents
+		documentSelector: [{ scheme: 'file', language: 'reid' }],
+		synchronize: {
+			// Notify the server about file changes to '.clientrc files contained in the workspace
+			fileEvents: workspace.createFileSystemWatcher('**/.clientrc')
+		}
+	};
+
+	// Create the language client and start the client.
+	client = new LanguageClient(
+		'reid-lsp',
+		'Reid Language Server',
+		serverOptions,
+		clientOptions
+	);
+
+	client.info("hello");
+
+	// Start the client. This will also launch the server
+	client.start();
+}
+
+export function deactivate(): Thenable<void> | undefined {
+	if (!client) {
+		return undefined;
+	}
+	return client.stop();
+}
diff --git a/reid-lsp/client/src/test/extension.test.ts b/reid-lsp/client/src/test/extension.test.ts
new file mode 100644
index 0000000..4ca0ab4
--- /dev/null
+++ b/reid-lsp/client/src/test/extension.test.ts
@@ -0,0 +1,15 @@
+import * as assert from 'assert';
+
+// You can import and use all API from the 'vscode' module
+// as well as import your extension to test it
+import * as vscode from 'vscode';
+// import * as myExtension from '../../extension';
+
+suite('Extension Test Suite', () => {
+	vscode.window.showInformationMessage('Start all tests.');
+
+	test('Sample test', () => {
+		assert.strictEqual(-1, [1, 2, 3].indexOf(5));
+		assert.strictEqual(-1, [1, 2, 3].indexOf(0));
+	});
+});
diff --git a/reid-lsp/client/tsconfig.json b/reid-lsp/client/tsconfig.json
new file mode 100644
index 0000000..e794d5f
--- /dev/null
+++ b/reid-lsp/client/tsconfig.json
@@ -0,0 +1,24 @@
+{
+	"compilerOptions": {
+		"module": "Node16",
+		"target": "ES2022",
+		"lib": [
+			"ES2022"
+		],
+		"sourceMap": true,
+		"rootDir": "src",
+		"outDir": "../dist",
+		"strict": true /* enable all strict type-checking options */
+		/* Additional Checks */
+		// "noImplicitReturns": true, /* Report error when not all code paths in function return a value. */
+		// "noFallthroughCasesInSwitch": true, /* Report errors for fallthrough cases in switch statement. */
+		// "noUnusedParameters": true,  /* Report errors on unused parameters. */
+	},
+	"include": [
+		"src"
+	],
+	"exclude": [
+		"node_modules",
+		".vscode-test"
+	]
+}
\ No newline at end of file
diff --git a/reid-lsp/eslint.config.mjs b/reid-lsp/eslint.config.mjs
new file mode 100644
index 0000000..d5c0b53
--- /dev/null
+++ b/reid-lsp/eslint.config.mjs
@@ -0,0 +1,28 @@
+import typescriptEslint from "@typescript-eslint/eslint-plugin";
+import tsParser from "@typescript-eslint/parser";
+
+export default [{
+    files: ["**/*.ts"],
+}, {
+    plugins: {
+        "@typescript-eslint": typescriptEslint,
+    },
+
+    languageOptions: {
+        parser: tsParser,
+        ecmaVersion: 2022,
+        sourceType: "module",
+    },
+
+    rules: {
+        "@typescript-eslint/naming-convention": ["warn", {
+            selector: "import",
+            format: ["camelCase", "PascalCase"],
+        }],
+
+        curly: "warn",
+        eqeqeq: "warn",
+        "no-throw-literal": "warn",
+        semi: "warn",
+    },
+}];
\ No newline at end of file
diff --git a/reid-lsp/package.json b/reid-lsp/package.json
new file mode 100644
index 0000000..aa4d0ec
--- /dev/null
+++ b/reid-lsp/package.json
@@ -0,0 +1,76 @@
+{
+  "name": "reid-lsp",
+  "displayName": "Reid Language Server",
+  "description": "Language Server Extension for Reid",
+  "version": "0.0.1",
+  "engines": {
+    "vscode": "^1.102.0"
+  },
+  "categories": [
+    "Other"
+  ],
+  "activationEvents": [
+    "onLanguage:reid"
+  ],
+  "main": "./dist/extension.js",
+  "contributes": {
+    "languages": [
+      {
+        "id": "reid",
+        "extensions": [
+          ".reid"
+        ]
+      }
+    ],
+    "configuration": {
+      "type": "object",
+      "title": "reid-language-server",
+      "properties": {
+        "nrs-language-server.trace.server": {
+          "type": "string",
+          "scope": "window",
+          "enum": [
+            "off",
+            "messages",
+            "verbose"
+          ],
+          "enumDescriptions": [
+            "No traces",
+            "Error only",
+            "Full log"
+          ],
+          "default": "off",
+          "description": "Traces the communication between VS Code and the language server."
+        }
+      }
+    }
+  },
+  "scripts": {
+    "vscode:prepublish": "pnpm run package",
+    "compile": "webpack",
+    "watch": "webpack --watch",
+    "package": "webpack --mode production --devtool hidden-source-map",
+    "compile-tests": "tsc -p . --outDir out",
+    "watch-tests": "tsc -p . -w --outDir out",
+    "pretest": "pnpm run compile-tests && pnpm run compile && pnpm run lint",
+    "lint": "eslint src",
+    "test": "vscode-test"
+  },
+  "devDependencies": {
+    "@types/mocha": "^10.0.10",
+    "@types/node": "20.x",
+    "@types/vscode": "^1.102.0",
+    "@typescript-eslint/eslint-plugin": "^8.31.1",
+    "@typescript-eslint/parser": "^8.31.1",
+    "@vscode/test-cli": "^0.0.11",
+    "@vscode/test-electron": "^2.5.2",
+    "eslint": "^9.25.1",
+    "ts-loader": "^9.5.2",
+    "typescript": "^5.8.3",
+    "webpack": "^5.99.7",
+    "webpack-cli": "^6.0.1"
+  },
+  "dependencies": {
+    "vscode-languageclient": "^9.0.1"
+  }
+}
\ No newline at end of file
diff --git a/reid-lsp/src/main.rs b/reid-lsp/src/main.rs
new file mode 100644
index 0000000..8b3b908
--- /dev/null
+++ b/reid-lsp/src/main.rs
@@ -0,0 +1,41 @@
+use tower_lsp::jsonrpc::Result;
+use tower_lsp::lsp_types::*;
+use tower_lsp::{Client, LanguageServer, LspService, Server};
+
+#[derive(Debug)]
+struct Backend {
+    client: Client,
+}
+
+#[tower_lsp::async_trait]
+impl LanguageServer for Backend {
+    async fn initialize(&self, _: InitializeParams) -> Result<InitializeResult> {
+        Ok(InitializeResult {
+            capabilities: ServerCapabilities {
+                hover_provider: Some(HoverProviderCapability::Simple(true)),
+                completion_provider: Some(CompletionOptions::default()),
+                ..Default::default()
+            },
+            ..Default::default()
+        })
+    }
+
+    async fn initialized(&self, _: InitializedParams) {
+        self.client
+            .log_message(MessageType::INFO, "Reid Language Server initialized!")
+            .await;
+    }
+
+    async fn shutdown(&self) -> Result<()> {
+        Ok(())
+    }
+}
+
+#[tokio::main]
+async fn main() {
+    let stdin = tokio::io::stdin();
+    let stdout = tokio::io::stdout();
+
+    let (service, socket) = LspService::new(|client| Backend { client });
+    Server::new(stdin, stdout, socket).serve(service).await;
+}
diff --git a/reid-lsp/tsconfig.json b/reid-lsp/tsconfig.json
new file mode 100644
index 0000000..fb86a21
--- /dev/null
+++ b/reid-lsp/tsconfig.json
@@ -0,0 +1,29 @@
+{
+	"compilerOptions": {
+		"module": "Node16",
+		"target": "ES2022",
+		"lib": [
+			"ES2022"
+		],
+		"sourceMap": true,
+		"rootDir": "src",
+		"outDir": "out",
+		"strict": true /* enable all strict type-checking options */
+		/* Additional Checks */
+		// "noImplicitReturns": true, /* Report error when not all code paths in function return a value. */
+		// "noFallthroughCasesInSwitch": true, /* Report errors for fallthrough cases in switch statement. */
+		// "noUnusedParameters": true,  /* Report errors on unused parameters. */
+	},
+	"include": [
+		"src"
+	],
+	"exclude": [
+		"node_modules",
+		".vscode-test"
+	],
+	"references": [
+		{
+			"path": "./client/"
+		},
+	]
+}
\ No newline at end of file
diff --git a/reid-lsp/vsc-extension-quickstart.md b/reid-lsp/vsc-extension-quickstart.md
new file mode 100644
index 0000000..f518bb8
--- /dev/null
+++ b/reid-lsp/vsc-extension-quickstart.md
@@ -0,0 +1,48 @@
+# Welcome to your VS Code Extension
+
+## What's in the folder
+
+* This folder contains all of the files necessary for your extension.
+* `package.json` - this is the manifest file in which you declare your extension and command.
+  * The sample plugin registers a command and defines its title and command name. With this information VS Code can show the command in the command palette. It doesn’t yet need to load the plugin.
+* `src/extension.ts` - this is the main file where you will provide the implementation of your command.
+  * The file exports one function, `activate`, which is called the very first time your extension is activated (in this case by executing the command). Inside the `activate` function we call `registerCommand`.
+  * We pass the function containing the implementation of the command as the second parameter to `registerCommand`.
+
+## Setup
+
+* install the recommended extensions (amodio.tsl-problem-matcher, ms-vscode.extension-test-runner, and dbaeumer.vscode-eslint)
+
+
+## Get up and running straight away
+
+* Press `F5` to open a new window with your extension loaded.
+* Run your command from the command palette by pressing (`Ctrl+Shift+P` or `Cmd+Shift+P` on Mac) and typing `Hello World`.
+* Set breakpoints in your code inside `src/extension.ts` to debug your extension.
+* Find output from your extension in the debug console.
+
+## Make changes
+
+* You can relaunch the extension from the debug toolbar after changing code in `src/extension.ts`.
+* You can also reload (`Ctrl+R` or `Cmd+R` on Mac) the VS Code window with your extension to load your changes.
+
+
+## Explore the API
+
+* You can open the full set of our API when you open the file `node_modules/@types/vscode/index.d.ts`.
+
+## Run tests
+
+* Install the [Extension Test Runner](https://marketplace.visualstudio.com/items?itemName=ms-vscode.extension-test-runner)
+* Run the "watch" task via the **Tasks: Run Task** command. Make sure this is running, or tests might not be discovered.
+* Open the Testing view from the activity bar and click the Run Test" button, or use the hotkey `Ctrl/Cmd + ; A`
+* See the output of the test result in the Test Results view.
+* Make changes to `src/test/extension.test.ts` or create new test files inside the `test` folder.
+  * The provided test runner will only consider files matching the name pattern `**.test.ts`.
+  * You can create folders inside the `test` folder to structure your tests any way you want.
+
+## Go further
+
+* Reduce the extension size and improve the startup time by [bundling your extension](https://code.visualstudio.com/api/working-with-extensions/bundling-extension).
+* [Publish your extension](https://code.visualstudio.com/api/working-with-extensions/publishing-extension) on the VS Code extension marketplace.
+* Automate builds by setting up [Continuous Integration](https://code.visualstudio.com/api/working-with-extensions/continuous-integration).
diff --git a/reid-lsp/webpack.config.js b/reid-lsp/webpack.config.js
new file mode 100644
index 0000000..f747533
--- /dev/null
+++ b/reid-lsp/webpack.config.js
@@ -0,0 +1,48 @@
+//@ts-check
+
+'use strict';
+
+const path = require('path');
+
+//@ts-check
+/** @typedef {import('webpack').Configuration} WebpackConfig **/
+
+/** @type WebpackConfig */
+const extensionConfig = {
+  target: 'node', // VS Code extensions run in a Node.js-context 📖 -> https://webpack.js.org/configuration/node/
+  mode: 'none', // this leaves the source code as close as possible to the original (when packaging we set this to 'production')
+
+  entry: './client/src/extension.ts', // the entry point of this extension, 📖 -> https://webpack.js.org/configuration/entry-context/
+  output: {
+    // the bundle is stored in the 'dist' folder (check package.json), 📖 -> https://webpack.js.org/configuration/output/
+    path: path.resolve(__dirname, 'dist'),
+    filename: 'extension.js',
+    libraryTarget: 'commonjs2'
+  },
+  externals: {
+    vscode: 'commonjs vscode' // the vscode-module is created on-the-fly and must be excluded. Add other modules that cannot be webpack'ed, 📖 -> https://webpack.js.org/configuration/externals/
+    // modules added here also need to be added in the .vscodeignore file
+  },
+  resolve: {
+    // support reading TypeScript and JavaScript files, 📖 -> https://github.com/TypeStrong/ts-loader
+    extensions: ['.ts', '.js']
+  },
+  module: {
+    rules: [
+      {
+        test: /\.ts$/,
+        exclude: /node_modules/,
+        use: [
+          {
+            loader: 'ts-loader'
+          }
+        ]
+      }
+    ]
+  },
+  devtool: 'nosources-source-map',
+  infrastructureLogging: {
+    level: "log", // enables logging required for problem matchers
+  },
+};
+module.exports = [extensionConfig];
\ No newline at end of file