From 50e25101ccc273678aeca6078660d7fc24dbd5a5 Mon Sep 17 00:00:00 2001
From: Dongdong Zhou <dz@yay.com>
Date: Wed, 22 Dec 2021 17:06:27 +0000
Subject: [PATCH] plugin to use wasmer

---
 Cargo.lock          | 718 +++++++++++++++++++++++++++++++++++++++++++-
 proxy/Cargo.toml    |   2 +
 proxy/src/plugin.rs | 177 +++++++----
 3 files changed, 838 insertions(+), 59 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index d47f927b..37bb3e4b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -194,7 +194,7 @@ dependencies = [
  "cfg-if 1.0.0",
  "libc",
  "miniz_oxide",
- "object",
+ "object 0.26.2",
  "rustc-demangle",
 ]
 
@@ -312,6 +312,27 @@ version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e3b5ca7a04898ad4bcd41c90c5285445ff5b791899bb1b0abdd2a2aa791211d7"
 
+[[package]]
+name = "bytecheck"
+version = "0.6.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "314889ea31cda264cb7c3d6e6e5c9415a987ecb0e72c17c00d36fbb881d34abe"
+dependencies = [
+ "bytecheck_derive",
+ "ptr_meta",
+]
+
+[[package]]
+name = "bytecheck_derive"
+version = "0.6.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4a2b3b92c135dae665a6f760205b89187638e83bed17ef3e44e83c712cf30600"
+dependencies = [
+ "proc-macro2 1.0.29",
+ "quote 1.0.9",
+ "syn 1.0.75",
+]
+
 [[package]]
 name = "bytecount"
 version = "0.5.1"
@@ -509,7 +530,7 @@ dependencies = [
  "clicolors-control",
  "lazy_static 1.4.0",
  "libc",
- "parking_lot 0.6.4",
+ "parking_lot 0.11.2",
  "regex",
  "termios",
  "unicode-width",
@@ -655,6 +676,66 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "cranelift-bforest"
+version = "0.76.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7e6bea67967505247f54fa2c85cf4f6e0e31c4e5692c9b70e4ae58e339067333"
+dependencies = [
+ "cranelift-entity",
+]
+
+[[package]]
+name = "cranelift-codegen"
+version = "0.76.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "48194035d2752bdd5bdae429e3ab88676e95f52a2b1355a5d4e809f9e39b1d74"
+dependencies = [
+ "cranelift-bforest",
+ "cranelift-codegen-meta",
+ "cranelift-codegen-shared",
+ "cranelift-entity",
+ "gimli",
+ "log",
+ "regalloc",
+ "smallvec 1.6.1",
+ "target-lexicon",
+]
+
+[[package]]
+name = "cranelift-codegen-meta"
+version = "0.76.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "976efb22fcab4f2cd6bd4e9913764616a54d895c1a23530128d04e03633c555f"
+dependencies = [
+ "cranelift-codegen-shared",
+ "cranelift-entity",
+]
+
+[[package]]
+name = "cranelift-codegen-shared"
+version = "0.76.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9dabb5fe66e04d4652e434195b45ae65b5c8172d520247b8f66d8df42b2b45dc"
+
+[[package]]
+name = "cranelift-entity"
+version = "0.76.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3329733e4d4b8e91c809efcaa4faee80bf66f20164e3dd16d707346bd3494799"
+
+[[package]]
+name = "cranelift-frontend"
+version = "0.76.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "279afcc0d3e651b773f94837c3d581177b348c8d69e928104b2e9fccb226f921"
+dependencies = [
+ "cranelift-codegen",
+ "log",
+ "smallvec 1.6.1",
+ "target-lexicon",
+]
+
 [[package]]
 name = "crc32fast"
 version = "1.2.1"
@@ -900,8 +981,18 @@ version = "0.10.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0d706e75d87e35569db781a9b5e2416cff1236a47ed380831f959382ccd5f858"
 dependencies = [
- "darling_core",
- "darling_macro",
+ "darling_core 0.10.2",
+ "darling_macro 0.10.2",
+]
+
+[[package]]
+name = "darling"
+version = "0.13.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d0d720b8683f8dd83c65155f0530560cba68cd2bf395f6513a483caee57ff7f4"
+dependencies = [
+ "darling_core 0.13.1",
+ "darling_macro 0.13.1",
 ]
 
 [[package]]
@@ -918,13 +1009,38 @@ dependencies = [
  "syn 1.0.75",
 ]
 
+[[package]]
+name = "darling_core"
+version = "0.13.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7a340f241d2ceed1deb47ae36c4144b2707ec7dd0b649f894cb39bb595986324"
+dependencies = [
+ "fnv",
+ "ident_case",
+ "proc-macro2 1.0.29",
+ "quote 1.0.9",
+ "strsim 0.10.0",
+ "syn 1.0.75",
+]
+
 [[package]]
 name = "darling_macro"
 version = "0.10.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d9b5a2f4ac4969822c62224815d069952656cadc7084fdca9751e6d959189b72"
 dependencies = [
- "darling_core",
+ "darling_core 0.10.2",
+ "quote 1.0.9",
+ "syn 1.0.75",
+]
+
+[[package]]
+name = "darling_macro"
+version = "0.13.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "72c41b3b7352feb3211a0d743dc5700a4e3b60f51bd2b368892d1e0f9a95f44b"
+dependencies = [
+ "darling_core 0.13.1",
  "quote 1.0.9",
  "syn 1.0.75",
 ]
@@ -1133,6 +1249,27 @@ version = "1.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e78d4f1cc4ae33bbfc157ed5d5a5ef3bc29227303d595861deb238fcec4e9457"
 
+[[package]]
+name = "enumset"
+version = "1.0.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6216d2c19a6fb5f29d1ada1dc7bc4367a8cbf0fa4af5cf12e07b5bbdde6b5b2c"
+dependencies = [
+ "enumset_derive",
+]
+
+[[package]]
+name = "enumset_derive"
+version = "0.5.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6451128aa6655d880755345d085494cf7561a6bee7c8dc821e5d77e6d267ecd4"
+dependencies = [
+ "darling 0.13.1",
+ "proc-macro2 1.0.29",
+ "quote 1.0.9",
+ "syn 1.0.75",
+]
+
 [[package]]
 name = "euclid"
 version = "0.22.6"
@@ -1158,6 +1295,12 @@ version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e88a8acf291dafb59c2d96e8f59828f3838bb1a70398823ade51a84de6a6deed"
 
+[[package]]
+name = "fallible-iterator"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4443176a9f2c162692bd3d352d745ef9413eec5782a80d8fd6f8a1ac692a07f7"
+
 [[package]]
 name = "filetime"
 version = "0.2.15"
@@ -1514,6 +1657,15 @@ dependencies = [
  "ndarray",
 ]
 
+[[package]]
+name = "generational-arena"
+version = "0.2.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8e1d3b771574f62d0548cee0ad9057857e9fc25d7a3335f140c84f6acd0bf601"
+dependencies = [
+ "cfg-if 0.1.10",
+]
+
 [[package]]
 name = "generic-array"
 version = "0.12.4"
@@ -1549,6 +1701,11 @@ name = "gimli"
 version = "0.25.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f0a01e0497841a3b2db4f8afa483cce65f7e96a3498bd6c541734792aeac8fe7"
+dependencies = [
+ "fallible-iterator",
+ "indexmap",
+ "stable_deref_trait",
+]
 
 [[package]]
 name = "git2"
@@ -1766,6 +1923,7 @@ checksum = "bc633605454125dec4b66843673f01c7df2b89479b32e0ed634e43a91cff62a5"
 dependencies = [
  "autocfg 1.0.1",
  "hashbrown 0.11.2",
+ "serde 1.0.130",
 ]
 
 [[package]]
@@ -2040,6 +2198,8 @@ dependencies = [
  "serde 1.0.130",
  "serde_json",
  "toml",
+ "wasmer",
+ "wasmer-wasi",
  "xi-core-lib",
  "xi-rope 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "xi-rpc",
@@ -2080,6 +2240,12 @@ version = "1.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "830d08ce1d1d941e6b30645f1a0eb5643013d835ce3779a5fc208261dbe10f55"
 
+[[package]]
+name = "leb128"
+version = "0.2.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "884e2677b40cc8c339eaefcb701c32ef1fd2493d71118dc0ca4b6a736c93bd67"
+
 [[package]]
 name = "lexical-core"
 version = "0.7.6"
@@ -2215,6 +2381,27 @@ dependencies = [
  "cfg-if 1.0.0",
 ]
 
+[[package]]
+name = "loupe"
+version = "0.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9b6a72dfa44fe15b5e76b94307eeb2ff995a8c5b283b55008940c02e0c5b634d"
+dependencies = [
+ "indexmap",
+ "loupe-derive",
+ "rustversion",
+]
+
+[[package]]
+name = "loupe-derive"
+version = "0.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c0fbfc88337168279f2e9ae06e157cfed4efd3316e14dc96ed074d4f2e6c5952"
+dependencies = [
+ "quote 1.0.9",
+ "syn 1.0.75",
+]
+
 [[package]]
 name = "lsp-types"
 version = "0.89.2"
@@ -2280,6 +2467,15 @@ dependencies = [
  "sid",
 ]
 
+[[package]]
+name = "mach"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b823e83b2affd8f40a9ee8c29dbc56404c1e34cd2710921f2801e2cf29527afa"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "malloc_buf"
 version = "0.0.6"
@@ -2334,6 +2530,15 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "memmap2"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4647a11b578fead29cdbb34d4adef8dd3dc35b876c9c6d5240d83f205abfe96e"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "memoffset"
 version = "0.2.1"
@@ -2478,6 +2683,12 @@ dependencies = [
  "winapi 0.3.9",
 ]
 
+[[package]]
+name = "more-asserts"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7843ec2de400bcbc6a6328c958dc38e5359da6e93e72e37bc5246bf1ae776389"
+
 [[package]]
 name = "naga"
 version = "0.7.1"
@@ -2541,7 +2752,7 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "05d1c6307dc424d0f65b9b06e94f88248e6305726b14729fd67a5e47b2dc481d"
 dependencies = [
- "darling",
+ "darling 0.10.2",
  "proc-macro-crate 0.1.5",
  "proc-macro2 1.0.29",
  "quote 1.0.9",
@@ -2695,6 +2906,16 @@ dependencies = [
  "autocfg 1.0.1",
 ]
 
+[[package]]
+name = "num_cpus"
+version = "1.13.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "19e64526ebdee182341572e50e9ad03965aa510cd94427a4549448f285e957a1"
+dependencies = [
+ "hermit-abi",
+ "libc",
+]
+
 [[package]]
 name = "num_enum"
 version = "0.5.4"
@@ -2765,6 +2986,17 @@ dependencies = [
  "memchr",
 ]
 
+[[package]]
+name = "object"
+version = "0.27.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "67ac1d3f9a1d3616fd9a60c8d74296f22406a238b6a72f5cc1e6f314df4ffbf9"
+dependencies = [
+ "crc32fast",
+ "indexmap",
+ "memchr",
+]
+
 [[package]]
 name = "once_cell"
 version = "1.8.0"
@@ -3034,6 +3266,12 @@ dependencies = [
  "xml-rs",
 ]
 
+[[package]]
+name = "ppv-lite86"
+version = "0.2.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ed0cfbc8191465bed66e1718596ee0b0b35d5ee1f41c5df2189d0fe8bde535ba"
+
 [[package]]
 name = "proc-macro-crate"
 version = "0.1.5"
@@ -3113,6 +3351,26 @@ version = "1.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "87dfd5592a8eed7e74f56ad7b125f8234763b805c30f0c7c95c486920026a6ec"
 
+[[package]]
+name = "ptr_meta"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0738ccf7ea06b608c10564b31debd4f5bc5e197fc8bfe088f68ae5ce81e7a4f1"
+dependencies = [
+ "ptr_meta_derive",
+]
+
+[[package]]
+name = "ptr_meta_derive"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "16b845dbfca988fa33db069c0e230574d15a3088f147a87b64c7589eb662c9ac"
+dependencies = [
+ "proc-macro2 1.0.29",
+ "quote 1.0.9",
+ "syn 1.0.75",
+]
+
 [[package]]
 name = "quick-error"
 version = "1.2.3"
@@ -3158,9 +3416,9 @@ checksum = "6d71dacdc3c88c1fde3885a3be3fbab9f35724e6ce99467f7d9c5026132184ca"
 dependencies = [
  "autocfg 0.1.7",
  "libc",
- "rand_chacha",
+ "rand_chacha 0.1.1",
  "rand_core 0.4.2",
- "rand_hc",
+ "rand_hc 0.1.0",
  "rand_isaac",
  "rand_jitter",
  "rand_os",
@@ -3169,6 +3427,18 @@ dependencies = [
  "winapi 0.3.9",
 ]
 
+[[package]]
+name = "rand"
+version = "0.8.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2e7573632e6454cf6b99d7aac4ccca54be06da05aca2ef7423d22d27d4d4bcd8"
+dependencies = [
+ "libc",
+ "rand_chacha 0.3.1",
+ "rand_core 0.6.3",
+ "rand_hc 0.3.1",
+]
+
 [[package]]
 name = "rand_chacha"
 version = "0.1.1"
@@ -3179,6 +3449,16 @@ dependencies = [
  "rand_core 0.3.1",
 ]
 
+[[package]]
+name = "rand_chacha"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88"
+dependencies = [
+ "ppv-lite86",
+ "rand_core 0.6.3",
+]
+
 [[package]]
 name = "rand_core"
 version = "0.3.1"
@@ -3200,6 +3480,15 @@ version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "90bde5296fc891b0cef12a6d03ddccc162ce7b2aff54160af9338f8d40df6d19"
 
+[[package]]
+name = "rand_core"
+version = "0.6.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d34f1408f55294453790c48b2f1ebbb1c5b4b7563eb1f418bcfcfdbb06ebb4e7"
+dependencies = [
+ "getrandom",
+]
+
 [[package]]
 name = "rand_hc"
 version = "0.1.0"
@@ -3209,6 +3498,15 @@ dependencies = [
  "rand_core 0.3.1",
 ]
 
+[[package]]
+name = "rand_hc"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d51e9f596de227fda2ea6c84607f5558e196eeaf43c986b724ba4fb8fdf497e7"
+dependencies = [
+ "rand_core 0.6.3",
+]
+
 [[package]]
 name = "rand_isaac"
 version = "0.1.1"
@@ -3292,6 +3590,31 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ebac11a9d2e11f2af219b8b8d833b76b1ea0e054aa0e8d8e9e4cbde353bdf019"
 
+[[package]]
+name = "rayon"
+version = "1.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c06aca804d41dbc8ba42dfd964f0d01334eceb64314b9ecf7c5fad5188a06d90"
+dependencies = [
+ "autocfg 1.0.1",
+ "crossbeam-deque 0.8.1",
+ "either",
+ "rayon-core",
+]
+
+[[package]]
+name = "rayon-core"
+version = "1.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d78120e2c850279833f1dd3582f730c4ab53ed95aeaaaa862a2a5c71b1656d8e"
+dependencies = [
+ "crossbeam-channel 0.5.1",
+ "crossbeam-deque 0.8.1",
+ "crossbeam-utils 0.8.5",
+ "lazy_static 1.4.0",
+ "num_cpus",
+]
+
 [[package]]
 name = "rctree"
 version = "0.3.3"
@@ -3326,6 +3649,17 @@ dependencies = [
  "redox_syscall",
 ]
 
+[[package]]
+name = "regalloc"
+version = "0.0.31"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "571f7f397d61c4755285cd37853fe8e03271c243424a907415909379659381c5"
+dependencies = [
+ "log",
+ "rustc-hash",
+ "smallvec 1.6.1",
+]
+
 [[package]]
 name = "regex"
 version = "1.5.4"
@@ -3352,12 +3686,67 @@ version = "0.6.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f497285884f3fcff424ffc933e56d7cbca511def0c9831a7f9b5f6153e3cc89b"
 
+[[package]]
+name = "region"
+version = "3.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "76e189c2369884dce920945e2ddf79b3dff49e071a167dd1817fa9c4c00d512e"
+dependencies = [
+ "bitflags",
+ "libc",
+ "mach",
+ "winapi 0.3.9",
+]
+
+[[package]]
+name = "remove_dir_all"
+version = "0.5.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3acd125665422973a33ac9d3dd2df85edad0f4ae9b00dafb1a05e43a9f5ef8e7"
+dependencies = [
+ "winapi 0.3.9",
+]
+
+[[package]]
+name = "rend"
+version = "0.3.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "79af64b4b6362ffba04eef3a4e10829718a4896dac19daa741851c86781edf95"
+dependencies = [
+ "bytecheck",
+]
+
 [[package]]
 name = "renderdoc-sys"
 version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f1382d1f0a252c4bf97dc20d979a2fdd05b024acd7c2ed0f7595d7817666a157"
 
+[[package]]
+name = "rkyv"
+version = "0.7.28"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "631f7d2a2854abb66724f492ce5256e79685a673dc210ac022194cedd5c914d3"
+dependencies = [
+ "bytecheck",
+ "hashbrown 0.11.2",
+ "ptr_meta",
+ "rend",
+ "rkyv_derive",
+ "seahash",
+]
+
+[[package]]
+name = "rkyv_derive"
+version = "0.7.28"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c067e650861a749720952aed722fb344449bc95de33e6456d426f5c7d44f71c0"
+dependencies = [
+ "proc-macro2 1.0.29",
+ "quote 1.0.9",
+ "syn 1.0.75",
+]
+
 [[package]]
 name = "roxmltree"
 version = "0.14.1"
@@ -3413,6 +3802,12 @@ dependencies = [
  "owned_ttf_parser",
 ]
 
+[[package]]
+name = "rustversion"
+version = "1.0.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f2cc38e8fa666e2de3c4aba7edeb5ffc5246c1c2ed0e3d17e560aeeba736b23f"
+
 [[package]]
 name = "rustybuzz"
 version = "0.3.0"
@@ -3468,6 +3863,12 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d29ab0c6d3fc0ee92fe66e2d99f700eab17a8d57d1c1d3b748380fb20baa78cd"
 
+[[package]]
+name = "seahash"
+version = "4.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1c107b6f4780854c8b126e228ea8869f4d7b71260f962fefb57b996b8959ba6b"
+
 [[package]]
 name = "semver"
 version = "0.9.0"
@@ -3528,6 +3929,15 @@ dependencies = [
  "serde 0.8.23",
 ]
 
+[[package]]
+name = "serde_bytes"
+version = "0.11.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "16ae07dd2f88a366f15bd0632ba725227018c69a1c8550a927324f8eb8368bb9"
+dependencies = [
+ "serde 1.0.130",
+]
+
 [[package]]
 name = "serde_derive"
 version = "1.0.130"
@@ -3878,6 +4288,12 @@ version = "0.9.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6446ced80d6c486436db5c078dde11a9f73d42b57fb273121e160b84f63d894c"
 
+[[package]]
+name = "strsim"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
+
 [[package]]
 name = "strum"
 version = "0.19.5"
@@ -3946,6 +4362,26 @@ dependencies = [
  "walkdir",
 ]
 
+[[package]]
+name = "target-lexicon"
+version = "0.12.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d9bffcddbc2458fa3e6058414599e3c838a022abae82e5c67b4f7f80298d5bff"
+
+[[package]]
+name = "tempfile"
+version = "3.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dac1c663cfc93810f88aed9b8941d48cabf856a1b111c29a40439018d870eb22"
+dependencies = [
+ "cfg-if 1.0.0",
+ "libc",
+ "rand 0.8.4",
+ "redox_syscall",
+ "remove_dir_all",
+ "winapi 0.3.9",
+]
+
 [[package]]
 name = "termcolor"
 version = "1.1.2"
@@ -4109,6 +4545,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "09adeb8c97449311ccd28a427f96fb563e7fd31aabf994189879d9da2394b89d"
 dependencies = [
  "cfg-if 1.0.0",
+ "log",
  "pin-project-lite",
  "tracing-attributes",
  "tracing-core",
@@ -4561,6 +4998,260 @@ version = "0.2.76"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "acdb075a845574a1fa5f09fd77e43f7747599301ea3417a9fbffdeedfc1f4a29"
 
+[[package]]
+name = "wasmer"
+version = "2.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "23f0188c23fc1b7de9bd7f8b834d0b1cd5edbe66e287452e8ce36d24418114f7"
+dependencies = [
+ "cfg-if 1.0.0",
+ "indexmap",
+ "js-sys",
+ "loupe",
+ "more-asserts",
+ "target-lexicon",
+ "thiserror",
+ "wasm-bindgen",
+ "wasmer-compiler",
+ "wasmer-compiler-cranelift",
+ "wasmer-derive",
+ "wasmer-engine",
+ "wasmer-engine-dylib",
+ "wasmer-engine-universal",
+ "wasmer-types",
+ "wasmer-vm",
+ "wat",
+ "winapi 0.3.9",
+]
+
+[[package]]
+name = "wasmer-compiler"
+version = "2.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "88c51cc589772c5f90bd329244c2416976d6cb2ee00d59429aaa8f421d9fe447"
+dependencies = [
+ "enumset",
+ "loupe",
+ "rkyv",
+ "serde 1.0.130",
+ "serde_bytes",
+ "smallvec 1.6.1",
+ "target-lexicon",
+ "thiserror",
+ "wasmer-types",
+ "wasmer-vm",
+ "wasmparser",
+]
+
+[[package]]
+name = "wasmer-compiler-cranelift"
+version = "2.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "09691e3e323b4e1128d2127f60f9cd988b66ce49afc8184b071c2b5ab16793f2"
+dependencies = [
+ "cranelift-codegen",
+ "cranelift-entity",
+ "cranelift-frontend",
+ "gimli",
+ "loupe",
+ "more-asserts",
+ "rayon",
+ "smallvec 1.6.1",
+ "target-lexicon",
+ "tracing",
+ "wasmer-compiler",
+ "wasmer-types",
+ "wasmer-vm",
+]
+
+[[package]]
+name = "wasmer-derive"
+version = "2.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "93f5cb7b09640e09f1215da95d6fb7477d2db572f064b803ff705f39ff079cc5"
+dependencies = [
+ "proc-macro-error",
+ "proc-macro2 1.0.29",
+ "quote 1.0.9",
+ "syn 1.0.75",
+]
+
+[[package]]
+name = "wasmer-engine"
+version = "2.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ab20311c354fe2c12bc766417e0a1a45f399c1cd8ff262127d1dc86d0588971a"
+dependencies = [
+ "backtrace",
+ "enumset",
+ "lazy_static 1.4.0",
+ "loupe",
+ "memmap2 0.5.0",
+ "more-asserts",
+ "rustc-demangle",
+ "serde 1.0.130",
+ "serde_bytes",
+ "target-lexicon",
+ "thiserror",
+ "wasmer-compiler",
+ "wasmer-types",
+ "wasmer-vm",
+]
+
+[[package]]
+name = "wasmer-engine-dylib"
+version = "2.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8dd5b7a74731e1dcccaf10a8ff5f72216c82f12972ce17cc81c6caa1afff75ea"
+dependencies = [
+ "cfg-if 1.0.0",
+ "enumset",
+ "leb128",
+ "libloading 0.7.0",
+ "loupe",
+ "rkyv",
+ "serde 1.0.130",
+ "tempfile",
+ "tracing",
+ "wasmer-compiler",
+ "wasmer-engine",
+ "wasmer-object",
+ "wasmer-types",
+ "wasmer-vm",
+ "which",
+]
+
+[[package]]
+name = "wasmer-engine-universal"
+version = "2.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dfeae8d5b825ad7abcf9a34e66eb11e1507b21020efe7bbf9897e3dd8d7869e2"
+dependencies = [
+ "cfg-if 1.0.0",
+ "enumset",
+ "leb128",
+ "loupe",
+ "region",
+ "rkyv",
+ "wasmer-compiler",
+ "wasmer-engine",
+ "wasmer-types",
+ "wasmer-vm",
+ "winapi 0.3.9",
+]
+
+[[package]]
+name = "wasmer-object"
+version = "2.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c3d4714e4f3bdc3b2157c24284417d19cd99de036da31d00ec5664712dcb72f7"
+dependencies = [
+ "object 0.27.1",
+ "thiserror",
+ "wasmer-compiler",
+ "wasmer-types",
+]
+
+[[package]]
+name = "wasmer-types"
+version = "2.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "434e1c0177da0a74ecca90b2aa7d5e86198260f07e8ba83be89feb5f0a4aeead"
+dependencies = [
+ "indexmap",
+ "loupe",
+ "rkyv",
+ "serde 1.0.130",
+ "thiserror",
+]
+
+[[package]]
+name = "wasmer-vfs"
+version = "2.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8a3a58a3700781aa4f5344915ea082086e75ba7ebe294f60ae499614db92dd00"
+dependencies = [
+ "libc",
+ "thiserror",
+ "tracing",
+]
+
+[[package]]
+name = "wasmer-vm"
+version = "2.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cc8f964ebba70d9f81340228b98a164782591f00239fc7f01e1b67afcf0e0156"
+dependencies = [
+ "backtrace",
+ "cc",
+ "cfg-if 1.0.0",
+ "indexmap",
+ "libc",
+ "loupe",
+ "memoffset 0.6.4",
+ "more-asserts",
+ "region",
+ "rkyv",
+ "serde 1.0.130",
+ "thiserror",
+ "wasmer-types",
+ "winapi 0.3.9",
+]
+
+[[package]]
+name = "wasmer-wasi"
+version = "2.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0c2b1d981ad312dac6e74a41a35b9bca41a6d1157c3e6a575fb1041e4b516610"
+dependencies = [
+ "cfg-if 1.0.0",
+ "generational-arena",
+ "getrandom",
+ "libc",
+ "thiserror",
+ "tracing",
+ "wasm-bindgen",
+ "wasmer",
+ "wasmer-vfs",
+ "wasmer-wasi-types",
+ "winapi 0.3.9",
+]
+
+[[package]]
+name = "wasmer-wasi-types"
+version = "2.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7731240c0ae536623414beb73091dddf68d1a080f49086fc31ec916536b1af98"
+dependencies = [
+ "byteorder",
+ "time 0.2.27",
+ "wasmer-types",
+]
+
+[[package]]
+name = "wasmparser"
+version = "0.78.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "52144d4c78e5cf8b055ceab8e5fa22814ce4315d6002ad32cfd914f37c12fd65"
+
+[[package]]
+name = "wast"
+version = "38.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ae0d7b256bef26c898fa7344a2d627e8499f5a749432ce0a05eae1a64ff0c271"
+dependencies = [
+ "leb128",
+]
+
+[[package]]
+name = "wat"
+version = "1.0.40"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "adcfaeb27e2578d2c6271a45609f4a055e6d7ba3a12eff35b1fd5ba147bdf046"
+dependencies = [
+ "wast",
+]
+
 [[package]]
 name = "wayland-client"
 version = "0.28.6"
@@ -4734,6 +5425,17 @@ dependencies = [
  "bitflags",
 ]
 
+[[package]]
+name = "which"
+version = "4.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ea187a8ef279bc014ec368c27a920da2024d2a711109bfbe3440585d5cf27ad9"
+dependencies = [
+ "either",
+ "lazy_static 1.4.0",
+ "libc",
+]
+
 [[package]]
 name = "winapi"
 version = "0.2.8"
diff --git a/proxy/Cargo.toml b/proxy/Cargo.toml
index cb0cd424..7a7b0994 100644
--- a/proxy/Cargo.toml
+++ b/proxy/Cargo.toml
@@ -5,6 +5,8 @@ authors = ["Dongdong Zhou <dzhou121@gmail.com>"]
 edition = "2021"
 
 [dependencies]
+wasmer = "2.1.1"
+wasmer-wasi = "2.1.1"
 directories = "4.0.1"
 locale_config = "0.3.0"
 base64 = "0.13.0"
diff --git a/proxy/src/plugin.rs b/proxy/src/plugin.rs
index e05e2d2e..43ea1da8 100644
--- a/proxy/src/plugin.rs
+++ b/proxy/src/plugin.rs
@@ -1,5 +1,6 @@
-use anyhow::Result;
+use anyhow::{anyhow, Result};
 use home::home_dir;
+use serde::de::DeserializeOwned;
 use serde::{Deserialize, Serialize};
 use serde_json::json;
 use serde_json::Value;
@@ -14,6 +15,13 @@
 use std::sync::Arc;
 use std::thread;
 use toml;
+use wasmer::ChainableNamedResolver;
+use wasmer::ImportObject;
+use wasmer::Store;
+use wasmer::WasmerEnv;
+use wasmer_wasi::Pipe;
+use wasmer_wasi::WasiEnv;
+use wasmer_wasi::WasiState;
 use xi_rpc::Handler;
 use xi_rpc::RpcLoop;
 use xi_rpc::RpcPeer;
@@ -47,6 +55,17 @@ pub struct PluginDescription {
     configuration: Option<Value>,
 }
 
+#[derive(WasmerEnv, Clone)]
+pub(crate) struct PluginEnv {
+    wasi_env: WasiEnv,
+    dispatcher: Dispatcher,
+}
+
+pub(crate) struct PluginNew {
+    instance: wasmer::Instance,
+    env: PluginEnv,
+}
+
 pub struct Plugin {
     id: PluginId,
     dispatcher: Dispatcher,
@@ -59,6 +78,8 @@ pub struct Plugin {
 pub struct PluginCatalog {
     id_counter: Counter,
     items: HashMap<PluginName, PluginDescription>,
+    plugins: HashMap<PluginId, PluginNew>,
+    store: wasmer::Store,
 }
 
 impl PluginCatalog {
@@ -66,12 +87,15 @@ pub fn new() -> PluginCatalog {
         PluginCatalog {
             id_counter: Counter::default(),
             items: HashMap::new(),
+            plugins: HashMap::new(),
+            store: wasmer::Store::default(),
         }
     }
 
     pub fn reload(&mut self) {
         eprintln!("plugin reload from paths");
         self.items.clear();
+        self.plugins.clear();
         self.load();
     }
 
@@ -89,66 +113,117 @@ pub fn load(&mut self) {
 
     pub fn start_all(&mut self, dispatcher: Dispatcher) {
         for (_, manifest) in self.items.clone().iter() {
-            start_plugin_process(
-                self.next_plugin_id(),
-                dispatcher.clone(),
-                manifest.clone(),
-            );
+            if let Ok(plugin) =
+                self.start_plugin(dispatcher.clone(), manifest.clone())
+            {
+                let id = self.next_plugin_id();
+                self.plugins.insert(id, plugin);
+            }
         }
     }
 
+    fn start_plugin(
+        &mut self,
+        dispatcher: Dispatcher,
+        plugin_desc: PluginDescription,
+    ) -> Result<PluginNew> {
+        let module = wasmer::Module::from_file(&self.store, plugin_desc.exec_path)?;
+
+        let output = Pipe::new();
+        let input = Pipe::new();
+        let mut wasi_env = WasiState::new("Lapce")
+            .stdin(Box::new(input))
+            .stdout(Box::new(output))
+            .finalize()?;
+        let wasi = wasi_env.import_object(&module)?;
+
+        let plugin_env = PluginEnv {
+            wasi_env,
+            dispatcher,
+        };
+        let lapce = lapce_exports(&self.store, &plugin_env);
+        let instance = wasmer::Instance::new(&module, &lapce.chain_back(wasi))?;
+
+        let initialize = instance.exports.get_function("initialize")?;
+        wasi_write_object(
+            &plugin_env.wasi_env,
+            &plugin_desc.configuration.unwrap_or(serde_json::json!({})),
+        );
+        initialize.call(&[])?;
+
+        Ok(PluginNew {
+            instance,
+            env: plugin_env,
+        })
+    }
+
     pub fn next_plugin_id(&mut self) -> PluginId {
         PluginId(self.id_counter.next())
     }
 }
 
-fn start_plugin_process(
-    id: PluginId,
-    dispatcher: Dispatcher,
-    plugin_desc: PluginDescription,
-) {
-    thread::spawn(move || {
-        let parts: Vec<&str> = plugin_desc
-            .exec_path
-            .to_str()
-            .unwrap()
-            .split(" ")
-            .into_iter()
-            .collect();
-        let mut child = Command::new(parts[0]);
-        for part in &parts[1..] {
-            child.arg(part);
+pub(crate) fn lapce_exports(store: &Store, plugin_env: &PluginEnv) -> ImportObject {
+    macro_rules! lapce_export {
+        ($($host_function:ident),+ $(,)?) => {
+            wasmer::imports! {
+                "lapce" => {
+                    $(stringify!($host_function) =>
+                        wasmer::Function::new_native_with_env(store, plugin_env.clone(), $host_function),)+
+                }
+            }
         }
-        child.current_dir(plugin_desc.dir.as_ref().unwrap());
-        let child = child.stdin(Stdio::piped()).stdout(Stdio::piped()).spawn();
-        if child.is_err() {
-            eprintln!("can't start proxy {:?}", child);
-            return;
+    }
+
+    lapce_export! {
+        host_handle_notification,
+    }
+}
+
+fn host_handle_notification(plugin_env: &PluginEnv) {
+    let notification: Result<PluginNotification> =
+        wasi_read_object(&plugin_env.wasi_env);
+    if let Ok(notification) = notification {
+        match notification {
+            PluginNotification::StartLspServer {
+                exec_path,
+                language_id,
+                options,
+            } => {
+                plugin_env.dispatcher.lsp.lock().start_server(
+                    &exec_path,
+                    &language_id,
+                    options.clone(),
+                );
+            }
         }
-        let mut child = child.unwrap();
-        let child_stdin = child.stdin.take().unwrap();
-        let child_stdout = child.stdout.take().unwrap();
-        let mut looper = RpcLoop::new(child_stdin);
-        let peer: RpcPeer = Box::new(looper.get_raw_peer());
-        let name = plugin_desc.name.clone();
-        let plugin = Plugin {
-            id,
-            dispatcher: dispatcher.clone(),
-            configuration: plugin_desc.configuration.clone(),
-            peer,
-            process: child,
-            name,
-        };
-        eprintln!("plugin main loop starting {:?}", &plugin_desc.exec_path);
-        plugin.initialize();
-        let mut handler = PluginHandler { dispatcher };
-        if let Err(e) =
-            looper.mainloop(|| BufReader::new(child_stdout), &mut handler)
-        {
-            eprintln!("plugin main loop failed {} {:?}", e, &plugin_desc.dir);
-        }
-        eprintln!("plugin main loop exit {:?}", plugin_desc.dir);
-    });
+    }
+}
+
+pub fn wasi_read_string(wasi_env: &WasiEnv) -> Result<String> {
+    let mut state = wasi_env.state();
+    let wasi_file = state
+        .fs
+        .stdout_mut()?
+        .as_mut()
+        .ok_or(anyhow!("can't get stdout"))?;
+    let mut buf = String::new();
+    wasi_file.read_to_string(&mut buf)?;
+    Ok(buf)
+}
+
+pub fn wasi_read_object<T: DeserializeOwned>(wasi_env: &WasiEnv) -> Result<T> {
+    let json = wasi_read_string(wasi_env)?;
+    Ok(serde_json::from_str(&json)?)
+}
+
+pub fn wasi_write_string(wasi_env: &WasiEnv, buf: &str) {
+    let mut state = wasi_env.state();
+    let wasi_file = state.fs.stdin_mut().unwrap().as_mut().unwrap();
+    writeln!(wasi_file, "{}\r", buf).unwrap();
+}
+
+pub fn wasi_write_object(wasi_env: &WasiEnv, object: &(impl Serialize + ?Sized)) {
+    wasi_write_string(wasi_env, &serde_json::to_string(&object).unwrap());
 }
 
 #[derive(Serialize, Deserialize, Debug)]