Add LALRPOP to the project.

4 files changed, 1877 insertions, 0 deletions

diff --git a/Cargo.lock b/Cargo.lock
index 8d60690..c3482f9 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,5 +1,554 @@
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+ "diff",
+ "docopt",
+ "ena",
+ "itertools",
+ "lalrpop-util",
+ "petgraph",
+ "regex",
+ "regex-syntax",
+ "serde",
+ "serde_derive",
+ "sha2",
+ "string_cache",
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+ "unicode-xid",
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diff --git a/Cargo.nix b/Cargo.nix
index e59159d..0e39dd2 100644
--- a/Cargo.nix
+++ b/Cargo.nix
@@ -76,6 +76,1092 @@ rec {
     #   inject test dependencies into the build
 
     crates = {
+      "aho-corasick" = rec {
+        crateName = "aho-corasick";
+        version = "0.7.13";
+        edition = "2015";
+        sha256 = "11hfmqf90rdvjdpk0x1lixw1s9n08y3fxfy9zqsk0k2wpbc68c84";
+        libName = "aho_corasick";
+        authors = [
+          "Andrew Gallant <jamslam@gmail.com>"
+        ];
+        dependencies = [
+          {
+            name = "memchr";
+            packageId = "memchr";
+            usesDefaultFeatures = false;
+          }
+        ];
+        features = {
+          "default" = [ "std" ];
+          "std" = [ "memchr/use_std" ];
+        };
+        resolvedDefaultFeatures = [ "default" "std" ];
+      };
+      "arrayref" = rec {
+        crateName = "arrayref";
+        version = "0.3.6";
+        edition = "2015";
+        sha256 = "0i6m1l3f73i0lf0cjdf5rh3xpvxydyhfbakq7xx7bkrp5qajgid4";
+        authors = [
+          "David Roundy <roundyd@physics.oregonstate.edu>"
+        ];
+        
+      };
+      "arrayvec" = rec {
+        crateName = "arrayvec";
+        version = "0.5.1";
+        edition = "2018";
+        sha256 = "1f5mca8kiiwhvhxd1mbnq68j6v6rk139sch567zwwzl6hs37vxyg";
+        authors = [
+          "bluss"
+        ];
+        features = {
+          "default" = [ "std" ];
+        };
+      };
+      "ascii-canvas" = rec {
+        crateName = "ascii-canvas";
+        version = "2.0.0";
+        edition = "2015";
+        sha256 = "0a9s8vrbc5jr6ry5ygjyfqmbs9gyya1v6dsxzsczpai8z4nvg3pz";
+        authors = [
+          "Niko Matsakis <niko@alum.mit.edu>"
+        ];
+        dependencies = [
+          {
+            name = "term";
+            packageId = "term";
+          }
+        ];
+        
+      };
+      "atty" = rec {
+        crateName = "atty";
+        version = "0.2.14";
+        edition = "2015";
+        sha256 = "1s7yslcs6a28c5vz7jwj63lkfgyx8mx99fdirlhi9lbhhzhrpcyr";
+        authors = [
+          "softprops <d.tangren@gmail.com>"
+        ];
+        dependencies = [
+          {
+            name = "hermit-abi";
+            packageId = "hermit-abi";
+            target = { target, features }: (target."os" == "hermit");
+          }
+          {
+            name = "libc";
+            packageId = "libc";
+            usesDefaultFeatures = false;
+            target = { target, features }: target."unix";
+          }
+          {
+            name = "winapi";
+            packageId = "winapi";
+            target = { target, features }: target."windows";
+            features = [ "consoleapi" "processenv" "minwinbase" "minwindef" "winbase" ];
+          }
+        ];
+        
+      };
+      "autocfg" = rec {
+        crateName = "autocfg";
+        version = "1.0.1";
+        edition = "2015";
+        sha256 = "0jj6i9zn4gjl03kjvziqdji6rwx8ykz8zk2ngpc331z2g3fk3c6d";
+        authors = [
+          "Josh Stone <cuviper@gmail.com>"
+        ];
+        
+      };
+      "base64" = rec {
+        crateName = "base64";
+        version = "0.12.3";
+        edition = "2018";
+        sha256 = "1zq33had71xh48n17g4kqs96szhx3yh7qibzwi4fk217n3vz0h9l";
+        authors = [
+          "Alice Maz <alice@alicemaz.com>"
+          "Marshall Pierce <marshall@mpierce.org>"
+        ];
+        features = {
+          "default" = [ "std" ];
+        };
+        resolvedDefaultFeatures = [ "default" "std" ];
+      };
+      "bit-set" = rec {
+        crateName = "bit-set";
+        version = "0.5.2";
+        edition = "2015";
+        sha256 = "1pjrmpsnad5ipwjsv8ppi0qrhqvgpyn3wfbvk7jy8dga6mhf24bf";
+        authors = [
+          "Alexis Beingessner <a.beingessner@gmail.com>"
+        ];
+        dependencies = [
+          {
+            name = "bit-vec";
+            packageId = "bit-vec";
+            usesDefaultFeatures = false;
+          }
+        ];
+        features = {
+          "default" = [ "std" ];
+          "std" = [ "bit-vec/std" ];
+        };
+        resolvedDefaultFeatures = [ "default" "std" ];
+      };
+      "bit-vec" = rec {
+        crateName = "bit-vec";
+        version = "0.6.2";
+        edition = "2015";
+        sha256 = "1lwws9l5x4j2m1aw9qvr7pbhsk0v02xmhy6419jqa6la5mgwa3az";
+        authors = [
+          "Alexis Beingessner <a.beingessner@gmail.com>"
+        ];
+        features = {
+          "default" = [ "std" ];
+          "serde_no_std" = [ "serde/alloc" ];
+          "serde_std" = [ "std" "serde/std" ];
+        };
+        resolvedDefaultFeatures = [ "std" ];
+      };
+      "blake2b_simd" = rec {
+        crateName = "blake2b_simd";
+        version = "0.5.10";
+        edition = "2018";
+        sha256 = "12icvk8ixlivv3jv5nyrg01sajp4s279zb1kmif0nfja4ms2vyyq";
+        authors = [
+          "Jack O'Connor"
+        ];
+        dependencies = [
+          {
+            name = "arrayref";
+            packageId = "arrayref";
+          }
+          {
+            name = "arrayvec";
+            packageId = "arrayvec";
+            usesDefaultFeatures = false;
+          }
+          {
+            name = "constant_time_eq";
+            packageId = "constant_time_eq";
+          }
+        ];
+        features = {
+          "default" = [ "std" ];
+        };
+        resolvedDefaultFeatures = [ "default" "std" ];
+      };
+      "block-buffer" = rec {
+        crateName = "block-buffer";
+        version = "0.7.3";
+        edition = "2015";
+        sha256 = "12v8wizynqin0hqf140kmp9s38q223mp1b0hkqk8j5pk8720v560";
+        authors = [
+          "RustCrypto Developers"
+        ];
+        dependencies = [
+          {
+            name = "block-padding";
+            packageId = "block-padding";
+          }
+          {
+            name = "byte-tools";
+            packageId = "byte-tools";
+          }
+          {
+            name = "byteorder";
+            packageId = "byteorder";
+            usesDefaultFeatures = false;
+          }
+          {
+            name = "generic-array";
+            packageId = "generic-array";
+          }
+        ];
+        
+      };
+      "block-padding" = rec {
+        crateName = "block-padding";
+        version = "0.1.5";
+        edition = "2015";
+        sha256 = "1xbkmysiz23vimd17rnsjpw9bgjxipwfslwyygqlkx4in3dxwygs";
+        authors = [
+          "RustCrypto Developers"
+        ];
+        dependencies = [
+          {
+            name = "byte-tools";
+            packageId = "byte-tools";
+          }
+        ];
+        
+      };
+      "byte-tools" = rec {
+        crateName = "byte-tools";
+        version = "0.3.1";
+        edition = "2015";
+        sha256 = "1mqi29wsm8njpl51pfwr31wmpzs5ahlcb40wsjyd92l90ixcmdg3";
+        authors = [
+          "RustCrypto Developers"
+        ];
+        
+      };
+      "byteorder" = rec {
+        crateName = "byteorder";
+        version = "1.3.4";
+        edition = "2015";
+        sha256 = "1pkjfhgjnq898g1d38ygcfi0msg3m6756cwv0sgysj1d26p8mi08";
+        authors = [
+          "Andrew Gallant <jamslam@gmail.com>"
+        ];
+        features = {
+          "default" = [ "std" ];
+        };
+        resolvedDefaultFeatures = [ "default" "std" ];
+      };
+      "cfg-if" = rec {
+        crateName = "cfg-if";
+        version = "0.1.10";
+        edition = "2018";
+        sha256 = "08h80ihs74jcyp24cd75wwabygbbdgl05k6p5dmq8akbr78vv1a7";
+        authors = [
+          "Alex Crichton <alex@alexcrichton.com>"
+        ];
+        features = {
+          "rustc-dep-of-std" = [ "core" "compiler_builtins" ];
+        };
+      };
+      "constant_time_eq" = rec {
+        crateName = "constant_time_eq";
+        version = "0.1.5";
+        edition = "2015";
+        sha256 = "1g3vp04qzmk6cpzrd19yci6a95m7ap6wy7wkwgiy2pjklklrfl14";
+        authors = [
+          "Cesar Eduardo Barros <cesarb@cesarb.eti.br>"
+        ];
+        
+      };
+      "crossbeam-utils" = rec {
+        crateName = "crossbeam-utils";
+        version = "0.7.2";
+        edition = "2015";
+        sha256 = "1a31wbrda1320gj2a6az1lin2d34xfc3xf88da4c17qy5lxcgiy3";
+        authors = [
+          "The Crossbeam Project Developers"
+        ];
+        dependencies = [
+          {
+            name = "cfg-if";
+            packageId = "cfg-if";
+          }
+          {
+            name = "lazy_static";
+            packageId = "lazy_static";
+            optional = true;
+          }
+        ];
+        buildDependencies = [
+          {
+            name = "autocfg";
+            packageId = "autocfg";
+          }
+        ];
+        features = {
+          "default" = [ "std" ];
+          "std" = [ "lazy_static" ];
+        };
+        resolvedDefaultFeatures = [ "default" "lazy_static" "std" ];
+      };
+      "diff" = rec {
+        crateName = "diff";
+        version = "0.1.12";
+        edition = "2015";
+        sha256 = "16b40bhsa2qgvgvxs983l625pkxyp6m0mzmpwg2605cvj53yl98f";
+        authors = [
+          "Utkarsh Kukreti <utkarshkukreti@gmail.com>"
+        ];
+        
+      };
+      "digest" = rec {
+        crateName = "digest";
+        version = "0.8.1";
+        edition = "2015";
+        sha256 = "1madjl27f3kj5ql7kwgvb9c8b7yb7bv7yfgx7rqzj4i3fp4cil7k";
+        authors = [
+          "RustCrypto Developers"
+        ];
+        dependencies = [
+          {
+            name = "generic-array";
+            packageId = "generic-array";
+          }
+        ];
+        features = {
+          "dev" = [ "blobby" ];
+        };
+        resolvedDefaultFeatures = [ "std" ];
+      };
+      "dirs" = rec {
+        crateName = "dirs";
+        version = "1.0.5";
+        edition = "2015";
+        sha256 = "009rrhzj9pxyncmm2vhlj70npg0cgggv2hjbbkiwdl9vccq8kmrz";
+        authors = [
+          "Simon Ochsenreither <simon@ochsenreither.de>"
+        ];
+        dependencies = [
+          {
+            name = "libc";
+            packageId = "libc";
+            target = { target, features }: target."unix";
+          }
+          {
+            name = "redox_users";
+            packageId = "redox_users";
+            target = { target, features }: (target."os" == "redox");
+          }
+          {
+            name = "winapi";
+            packageId = "winapi";
+            target = { target, features }: target."windows";
+            features = [ "knownfolders" "objbase" "shlobj" "winbase" "winerror" ];
+          }
+        ];
+        
+      };
+      "docopt" = rec {
+        crateName = "docopt";
+        version = "1.1.0";
+        edition = "2018";
+        crateBin = [];
+        sha256 = "0s9rcpmnnivs502q69lc1h1wrwapkq09ikgbfbgqf31idmc5llkz";
+        authors = [
+          "Andrew Gallant <jamslam@gmail.com>"
+        ];
+        dependencies = [
+          {
+            name = "lazy_static";
+            packageId = "lazy_static";
+          }
+          {
+            name = "regex";
+            packageId = "regex";
+          }
+          {
+            name = "serde";
+            packageId = "serde";
+            features = [ "derive" ];
+          }
+          {
+            name = "strsim";
+            packageId = "strsim";
+          }
+        ];
+        
+      };
+      "either" = rec {
+        crateName = "either";
+        version = "1.6.0";
+        edition = "2015";
+        sha256 = "0krcvv612bd14iz2nxncjya3nv4ga3x9qxsqb6n4gsdwcncbamnd";
+        authors = [
+          "bluss"
+        ];
+        features = {
+          "default" = [ "use_std" ];
+        };
+      };
+      "ena" = rec {
+        crateName = "ena";
+        version = "0.14.0";
+        edition = "2015";
+        sha256 = "1hrnkx2swbczn0jzpscxxipx7jcxhg6sf9vk911ff91wm6a2nh6p";
+        authors = [
+          "Niko Matsakis <niko@alum.mit.edu>"
+        ];
+        dependencies = [
+          {
+            name = "log";
+            packageId = "log";
+          }
+        ];
+        features = {
+          "congruence-closure" = [ "petgraph" ];
+          "persistent" = [ "dogged" ];
+        };
+      };
+      "fake-simd" = rec {
+        crateName = "fake-simd";
+        version = "0.1.2";
+        edition = "2015";
+        sha256 = "1vfylvk4va2ivqx85603lyqqp0zk52cgbs4n5nfbbbqx577qm2p8";
+        authors = [
+          "The Rust-Crypto Project Developers"
+        ];
+        
+      };
+      "fixedbitset" = rec {
+        crateName = "fixedbitset";
+        version = "0.2.0";
+        edition = "2015";
+        sha256 = "0kg03p777wc0dajd9pvlcnsyrwa8dhqwf0sd9r4dw0p82rs39arp";
+        authors = [
+          "bluss"
+        ];
+        features = {
+          "default" = [ "std" ];
+        };
+      };
+      "generic-array" = rec {
+        crateName = "generic-array";
+        version = "0.12.3";
+        edition = "2015";
+        sha256 = "1v5jg7djicq34nbiv1dwaki71gkny002wyy9qfn3y0hfmrs053y6";
+        libName = "generic_array";
+        authors = [
+          "Bartłomiej Kamiński <fizyk20@gmail.com>"
+          "Aaron Trent <novacrazy@gmail.com>"
+        ];
+        dependencies = [
+          {
+            name = "typenum";
+            packageId = "typenum";
+          }
+        ];
+        
+      };
+      "getrandom" = rec {
+        crateName = "getrandom";
+        version = "0.1.14";
+        edition = "2018";
+        sha256 = "1sq30li71h19rhnhs1h6576ja68insajx8wvh1nn088r8pc8vg3s";
+        authors = [
+          "The Rand Project Developers"
+        ];
+        dependencies = [
+          {
+            name = "cfg-if";
+            packageId = "cfg-if";
+          }
+          {
+            name = "libc";
+            packageId = "libc";
+            usesDefaultFeatures = false;
+            target = { target, features }: target."unix";
+          }
+          {
+            name = "wasi";
+            packageId = "wasi";
+            target = { target, features }: (target."os" == "wasi");
+          }
+        ];
+        features = {
+          "rustc-dep-of-std" = [ "compiler_builtins" "core" ];
+          "test-in-browser" = [ "wasm-bindgen" ];
+        };
+      };
+      "hashbrown" = rec {
+        crateName = "hashbrown";
+        version = "0.9.0";
+        edition = "2018";
+        sha256 = "1xzmbslaa3ydxnxjb9wda38kl48rl3p0i0yk5r3gnl0rskrkvmh0";
+        authors = [
+          "Amanieu d'Antras <amanieu@gmail.com>"
+        ];
+        features = {
+          "ahash-compile-time-rng" = [ "ahash/compile-time-rng" ];
+          "default" = [ "ahash" "inline-more" ];
+          "rustc-dep-of-std" = [ "nightly" "core" "compiler_builtins" "alloc" "rustc-internal-api" ];
+        };
+        resolvedDefaultFeatures = [ "raw" ];
+      };
+      "hermit-abi" = rec {
+        crateName = "hermit-abi";
+        version = "0.1.15";
+        edition = "2018";
+        sha256 = "1ac5bij39rhzs8zngfxi109dh0h3v0jl5ng8595f9yg7nsbd3vix";
+        authors = [
+          "Stefan Lankes"
+        ];
+        dependencies = [
+          {
+            name = "libc";
+            packageId = "libc";
+            usesDefaultFeatures = false;
+          }
+        ];
+        features = {
+          "rustc-dep-of-std" = [ "core" "compiler_builtins/rustc-dep-of-std" "libc/rustc-dep-of-std" ];
+        };
+        resolvedDefaultFeatures = [ "default" ];
+      };
+      "indexmap" = rec {
+        crateName = "indexmap";
+        version = "1.6.0";
+        edition = "2018";
+        sha256 = "1wi8l3y2f3k4c2azaf3jm3pw2sksm90rzgv18x1a0lxacp3y9qjm";
+        authors = [
+          "bluss"
+          "Josh Stone <cuviper@gmail.com>"
+        ];
+        dependencies = [
+          {
+            name = "hashbrown";
+            packageId = "hashbrown";
+            usesDefaultFeatures = false;
+            features = [ "raw" ];
+          }
+        ];
+        buildDependencies = [
+          {
+            name = "autocfg";
+            packageId = "autocfg";
+          }
+        ];
+        features = {
+          "serde-1" = [ "serde" ];
+        };
+      };
+      "itertools" = rec {
+        crateName = "itertools";
+        version = "0.9.0";
+        edition = "2018";
+        sha256 = "0jyml7ygr7kijkcjdl3fk5f34y5h5jsavclim7l13zjiavw1hkr8";
+        authors = [
+          "bluss"
+        ];
+        dependencies = [
+          {
+            name = "either";
+            packageId = "either";
+            usesDefaultFeatures = false;
+          }
+        ];
+        features = {
+          "default" = [ "use_std" ];
+        };
+        resolvedDefaultFeatures = [ "default" "use_std" ];
+      };
+      "lalrpop" = rec {
+        crateName = "lalrpop";
+        version = "0.19.1";
+        edition = "2015";
+        crateBin = [];
+        sha256 = "1j52sybjhn82ydgsmnw7nkywjyb7pvg50mvyb48m7vdq3wcmdyv0";
+        authors = [
+          "Niko Matsakis <niko@alum.mit.edu>"
+        ];
+        dependencies = [
+          {
+            name = "ascii-canvas";
+            packageId = "ascii-canvas";
+          }
+          {
+            name = "atty";
+            packageId = "atty";
+          }
+          {
+            name = "bit-set";
+            packageId = "bit-set";
+          }
+          {
+            name = "diff";
+            packageId = "diff";
+          }
+          {
+            name = "docopt";
+            packageId = "docopt";
+          }
+          {
+            name = "ena";
+            packageId = "ena";
+          }
+          {
+            name = "itertools";
+            packageId = "itertools";
+          }
+          {
+            name = "lalrpop-util";
+            packageId = "lalrpop-util";
+          }
+          {
+            name = "petgraph";
+            packageId = "petgraph";
+          }
+          {
+            name = "regex";
+            packageId = "regex";
+          }
+          {
+            name = "regex-syntax";
+            packageId = "regex-syntax";
+          }
+          {
+            name = "serde";
+            packageId = "serde";
+          }
+          {
+            name = "serde_derive";
+            packageId = "serde_derive";
+          }
+          {
+            name = "sha2";
+            packageId = "sha2";
+          }
+          {
+            name = "string_cache";
+            packageId = "string_cache";
+          }
+          {
+            name = "term";
+            packageId = "term";
+          }
+          {
+            name = "unicode-xid";
+            packageId = "unicode-xid";
+          }
+        ];
+        features = {
+          "lexer" = [ "lalrpop-util/lexer" ];
+        };
+        resolvedDefaultFeatures = [ "lexer" ];
+      };
+      "lalrpop-util" = rec {
+        crateName = "lalrpop-util";
+        version = "0.19.1";
+        edition = "2015";
+        sha256 = "0224r8gsbk8and96nhwgzdj4hc1c01g78zmvv3x4f5jnzwg1cwb7";
+        authors = [
+          "Niko Matsakis <niko@alum.mit.edu>"
+        ];
+        dependencies = [
+          {
+            name = "regex";
+            packageId = "regex";
+            optional = true;
+          }
+        ];
+        features = {
+          "lexer" = [ "regex" ];
+        };
+        resolvedDefaultFeatures = [ "lexer" "regex" ];
+      };
+      "lazy_static" = rec {
+        crateName = "lazy_static";
+        version = "1.4.0";
+        edition = "2015";
+        sha256 = "0in6ikhw8mgl33wjv6q6xfrb5b9jr16q8ygjy803fay4zcisvaz2";
+        authors = [
+          "Marvin Löbel <loebel.marvin@gmail.com>"
+        ];
+        features = {
+          "spin_no_std" = [ "spin" ];
+        };
+      };
+      "libc" = rec {
+        crateName = "libc";
+        version = "0.2.76";
+        edition = "2015";
+        sha256 = "1hvv01y8cjlkg6xqgvflgq4p77p15a83w6xxpcggmrj4w3x5cm3m";
+        authors = [
+          "The Rust Project Developers"
+        ];
+        features = {
+          "default" = [ "std" ];
+          "rustc-dep-of-std" = [ "align" "rustc-std-workspace-core" ];
+          "use_std" = [ "std" ];
+        };
+        resolvedDefaultFeatures = [ "default" "std" ];
+      };
+      "log" = rec {
+        crateName = "log";
+        version = "0.4.11";
+        edition = "2015";
+        sha256 = "12xzqaflpiljn5cmxsbnbv9sjaj13ykhwsvll0gysbx4blbyvasg";
+        authors = [
+          "The Rust Project Developers"
+        ];
+        dependencies = [
+          {
+            name = "cfg-if";
+            packageId = "cfg-if";
+          }
+        ];
+        features = {
+          "kv_unstable_sval" = [ "kv_unstable" "sval/fmt" ];
+        };
+      };
+      "memchr" = rec {
+        crateName = "memchr";
+        version = "2.3.3";
+        edition = "2015";
+        sha256 = "0074pvsfl938ndl5js14ibc7i9q0k3zp390z843w8nlyv4bxha1p";
+        authors = [
+          "Andrew Gallant <jamslam@gmail.com>"
+          "bluss"
+        ];
+        features = {
+          "default" = [ "std" ];
+          "use_std" = [ "std" ];
+        };
+        resolvedDefaultFeatures = [ "default" "std" "use_std" ];
+      };
+      "new_debug_unreachable" = rec {
+        crateName = "new_debug_unreachable";
+        version = "1.0.4";
+        edition = "2018";
+        sha256 = "0m1bg3wz3nvxdryg78x4i8hh9fys4wp2bi0zg821dhvf44v4g8p4";
+        libName = "debug_unreachable";
+        authors = [
+          "Matt Brubeck <mbrubeck@limpet.net>"
+          "Jonathan Reem <jonathan.reem@gmail.com>"
+        ];
+        
+      };
+      "opaque-debug" = rec {
+        crateName = "opaque-debug";
+        version = "0.2.3";
+        edition = "2015";
+        sha256 = "172j6bs8ndclqxa2m64qc0y1772rr73g4l9fg2svscgicnbfff98";
+        authors = [
+          "RustCrypto Developers"
+        ];
+        
+      };
+      "petgraph" = rec {
+        crateName = "petgraph";
+        version = "0.5.1";
+        edition = "2018";
+        sha256 = "1dzxda6z17sfxly11m8ja3iargh73pw0s1sdgjyp0qp5dm51cza6";
+        authors = [
+          "bluss"
+          "mitchmindtree"
+        ];
+        dependencies = [
+          {
+            name = "fixedbitset";
+            packageId = "fixedbitset";
+            usesDefaultFeatures = false;
+          }
+          {
+            name = "indexmap";
+            packageId = "indexmap";
+          }
+        ];
+        features = {
+          "all" = [ "unstable" "quickcheck" "matrix_graph" "stable_graph" "graphmap" ];
+          "default" = [ "graphmap" "stable_graph" "matrix_graph" ];
+          "serde-1" = [ "serde" "serde_derive" ];
+          "unstable" = [ "generate" ];
+        };
+        resolvedDefaultFeatures = [ "default" "graphmap" "matrix_graph" "stable_graph" ];
+      };
+      "phf_shared" = rec {
+        crateName = "phf_shared";
+        version = "0.8.0";
+        edition = "2018";
+        sha256 = "1xssnqrrcn0nr9ayqrnm8xm37ac4xvwcx8pax7jxss7yxawzh360";
+        authors = [
+          "Steven Fackler <sfackler@gmail.com>"
+        ];
+        dependencies = [
+          {
+            name = "siphasher";
+            packageId = "siphasher";
+          }
+        ];
+        features = {
+          "default" = [ "std" ];
+        };
+        resolvedDefaultFeatures = [ "default" "std" ];
+      };
+      "precomputed-hash" = rec {
+        crateName = "precomputed-hash";
+        version = "0.1.1";
+        edition = "2015";
+        sha256 = "075k9bfy39jhs53cb2fpb9klfakx2glxnf28zdw08ws6lgpq6lwj";
+        authors = [
+          "Emilio Cobos Álvarez <emilio@crisal.io>"
+        ];
+        
+      };
+      "proc-macro2" = rec {
+        crateName = "proc-macro2";
+        version = "1.0.20";
+        edition = "2018";
+        sha256 = "0a8sgk1i60nz7qlf611dxj1npawbv9nb0ch2lafvk7bialym2p0p";
+        authors = [
+          "Alex Crichton <alex@alexcrichton.com>"
+          "David Tolnay <dtolnay@gmail.com>"
+        ];
+        dependencies = [
+          {
+            name = "unicode-xid";
+            packageId = "unicode-xid";
+          }
+        ];
+        features = {
+          "default" = [ "proc-macro" ];
+        };
+        resolvedDefaultFeatures = [ "default" "proc-macro" ];
+      };
+      "quote" = rec {
+        crateName = "quote";
+        version = "1.0.7";
+        edition = "2018";
+        sha256 = "0drzd6pq7whq7qhdvvs8wn6pbb0hhc12pz8wv80fb05ixhbksmma";
+        authors = [
+          "David Tolnay <dtolnay@gmail.com>"
+        ];
+        dependencies = [
+          {
+            name = "proc-macro2";
+            packageId = "proc-macro2";
+            usesDefaultFeatures = false;
+          }
+        ];
+        features = {
+          "default" = [ "proc-macro" ];
+          "proc-macro" = [ "proc-macro2/proc-macro" ];
+        };
+        resolvedDefaultFeatures = [ "default" "proc-macro" ];
+      };
+      "redox_syscall" = rec {
+        crateName = "redox_syscall";
+        version = "0.1.57";
+        edition = "2015";
+        sha256 = "1kh59fpwy33w9nwd5iyc283yglq8pf2s41hnhvl48iax9mz0zk21";
+        libName = "syscall";
+        authors = [
+          "Jeremy Soller <jackpot51@gmail.com>"
+        ];
+        
+      };
+      "redox_users" = rec {
+        crateName = "redox_users";
+        version = "0.3.5";
+        edition = "2015";
+        sha256 = "179fxmyqaqzibp533ajgbn4ljah9lrzpqvd3i73h55bs7qrkf1yy";
+        authors = [
+          "Jose Narvaez <goyox86@gmail.com>"
+          "Wesley Hershberger <mggmugginsmc@gmail.com>"
+        ];
+        dependencies = [
+          {
+            name = "getrandom";
+            packageId = "getrandom";
+          }
+          {
+            name = "redox_syscall";
+            packageId = "redox_syscall";
+          }
+          {
+            name = "rust-argon2";
+            packageId = "rust-argon2";
+            optional = true;
+          }
+        ];
+        features = {
+          "auth" = [ "rust-argon2" ];
+          "default" = [ "auth" ];
+        };
+        resolvedDefaultFeatures = [ "auth" "default" "rust-argon2" ];
+      };
+      "regex" = rec {
+        crateName = "regex";
+        version = "1.3.9";
+        edition = "2015";
+        sha256 = "1rnqga94ypykl2apgj26l2j1s9bvr2ix4dlzs323n6abyky80dww";
+        authors = [
+          "The Rust Project Developers"
+        ];
+        dependencies = [
+          {
+            name = "aho-corasick";
+            packageId = "aho-corasick";
+            optional = true;
+          }
+          {
+            name = "memchr";
+            packageId = "memchr";
+            optional = true;
+          }
+          {
+            name = "regex-syntax";
+            packageId = "regex-syntax";
+            usesDefaultFeatures = false;
+          }
+          {
+            name = "thread_local";
+            packageId = "thread_local";
+            optional = true;
+          }
+        ];
+        features = {
+          "default" = [ "std" "perf" "unicode" "regex-syntax/default" ];
+          "perf" = [ "perf-cache" "perf-dfa" "perf-inline" "perf-literal" ];
+          "perf-cache" = [ "thread_local" ];
+          "perf-literal" = [ "aho-corasick" "memchr" ];
+          "unicode" = [ "unicode-age" "unicode-bool" "unicode-case" "unicode-gencat" "unicode-perl" "unicode-script" "unicode-segment" "regex-syntax/unicode" ];
+          "unicode-age" = [ "regex-syntax/unicode-age" ];
+          "unicode-bool" = [ "regex-syntax/unicode-bool" ];
+          "unicode-case" = [ "regex-syntax/unicode-case" ];
+          "unicode-gencat" = [ "regex-syntax/unicode-gencat" ];
+          "unicode-perl" = [ "regex-syntax/unicode-perl" ];
+          "unicode-script" = [ "regex-syntax/unicode-script" ];
+          "unicode-segment" = [ "regex-syntax/unicode-segment" ];
+          "unstable" = [ "pattern" ];
+          "use_std" = [ "std" ];
+        };
+        resolvedDefaultFeatures = [ "aho-corasick" "default" "memchr" "perf" "perf-cache" "perf-dfa" "perf-inline" "perf-literal" "std" "thread_local" "unicode" "unicode-age" "unicode-bool" "unicode-case" "unicode-gencat" "unicode-perl" "unicode-script" "unicode-segment" ];
+      };
+      "regex-syntax" = rec {
+        crateName = "regex-syntax";
+        version = "0.6.18";
+        edition = "2015";
+        sha256 = "1s648w7rwpxnq9iqwbyy43ar4al07906jpz0jxlql23bgjwjwh96";
+        authors = [
+          "The Rust Project Developers"
+        ];
+        features = {
+          "default" = [ "unicode" ];
+          "unicode" = [ "unicode-age" "unicode-bool" "unicode-case" "unicode-gencat" "unicode-perl" "unicode-script" "unicode-segment" ];
+        };
+        resolvedDefaultFeatures = [ "default" "unicode" "unicode-age" "unicode-bool" "unicode-case" "unicode-gencat" "unicode-perl" "unicode-script" "unicode-segment" ];
+      };
+      "rust-argon2" = rec {
+        crateName = "rust-argon2";
+        version = "0.8.2";
+        edition = "2018";
+        sha256 = "069syiy3ncg9yai58p3dalwvgpr1aqisqls0x1sk54vm0wjn3awx";
+        libName = "argon2";
+        authors = [
+          "Martijn Rijkeboer <mrr@sru-systems.com>"
+        ];
+        dependencies = [
+          {
+            name = "base64";
+            packageId = "base64";
+          }
+          {
+            name = "blake2b_simd";
+            packageId = "blake2b_simd";
+          }
+          {
+            name = "constant_time_eq";
+            packageId = "constant_time_eq";
+          }
+          {
+            name = "crossbeam-utils";
+            packageId = "crossbeam-utils";
+            optional = true;
+          }
+        ];
+        features = {
+          "default" = [ "crossbeam-utils" ];
+        };
+        resolvedDefaultFeatures = [ "crossbeam-utils" "default" ];
+      };
+      "serde" = rec {
+        crateName = "serde";
+        version = "1.0.115";
+        edition = "2015";
+        sha256 = "1mamxl1ijys9r6jk8pj5vjxs7l60y11i845mhjpkhwnsya49lk75";
+        authors = [
+          "Erick Tryzelaar <erick.tryzelaar@gmail.com>"
+          "David Tolnay <dtolnay@gmail.com>"
+        ];
+        dependencies = [
+          {
+            name = "serde_derive";
+            packageId = "serde_derive";
+            optional = true;
+          }
+        ];
+        devDependencies = [
+          {
+            name = "serde_derive";
+            packageId = "serde_derive";
+          }
+        ];
+        features = {
+          "default" = [ "std" ];
+          "derive" = [ "serde_derive" ];
+        };
+        resolvedDefaultFeatures = [ "default" "derive" "serde_derive" "std" ];
+      };
+      "serde_derive" = rec {
+        crateName = "serde_derive";
+        version = "1.0.115";
+        edition = "2015";
+        sha256 = "0j6w64m3z7kaagq6j0qmn7q84jkvnfll1a4205mc6g57s38yx7v0";
+        procMacro = true;
+        authors = [
+          "Erick Tryzelaar <erick.tryzelaar@gmail.com>"
+          "David Tolnay <dtolnay@gmail.com>"
+        ];
+        dependencies = [
+          {
+            name = "proc-macro2";
+            packageId = "proc-macro2";
+          }
+          {
+            name = "quote";
+            packageId = "quote";
+          }
+          {
+            name = "syn";
+            packageId = "syn";
+            features = [ "visit" ];
+          }
+        ];
+        features = {
+        };
+        resolvedDefaultFeatures = [ "default" ];
+      };
+      "sha2" = rec {
+        crateName = "sha2";
+        version = "0.8.2";
+        edition = "2015";
+        sha256 = "0s9yddvyg6anaikdl86wmwfim25c0d4m0xq0y2ghs34alxpg8mm2";
+        authors = [
+          "RustCrypto Developers"
+        ];
+        dependencies = [
+          {
+            name = "block-buffer";
+            packageId = "block-buffer";
+          }
+          {
+            name = "digest";
+            packageId = "digest";
+          }
+          {
+            name = "fake-simd";
+            packageId = "fake-simd";
+          }
+          {
+            name = "opaque-debug";
+            packageId = "opaque-debug";
+          }
+        ];
+        devDependencies = [
+          {
+            name = "digest";
+            packageId = "digest";
+            features = [ "dev" ];
+          }
+        ];
+        features = {
+          "asm" = [ "sha2-asm" ];
+          "asm-aarch64" = [ "asm" "libc" ];
+          "default" = [ "std" ];
+          "std" = [ "digest/std" ];
+        };
+        resolvedDefaultFeatures = [ "default" "std" ];
+      };
       "shell" = rec {
         crateName = "shell";
         version = "0.1.0";
@@ -87,6 +1173,239 @@ rec {
         authors = [
           "Irene Knapp <ireneista@gmail.com>"
         ];
+        dependencies = [
+          {
+            name = "lalrpop-util";
+            packageId = "lalrpop-util";
+          }
+        ];
+        buildDependencies = [
+          {
+            name = "lalrpop";
+            packageId = "lalrpop";
+            features = [ "lexer" ];
+          }
+        ];
+        
+      };
+      "siphasher" = rec {
+        crateName = "siphasher";
+        version = "0.3.3";
+        edition = "2015";
+        sha256 = "1dw648sij9rarz5rk58zrjmxm70c6xl60d6rkd8pabipqx0kg3zs";
+        authors = [
+          "Frank Denis <github@pureftpd.org>"
+        ];
+        features = {
+          "default" = [ "std" ];
+          "serde_no_std" = [ "serde/alloc" ];
+          "serde_std" = [ "std" "serde/std" ];
+        };
+        resolvedDefaultFeatures = [ "default" "std" ];
+      };
+      "string_cache" = rec {
+        crateName = "string_cache";
+        version = "0.8.0";
+        edition = "2018";
+        sha256 = "12i0synp8l0qpnzi5qki4pjq3jx28ykikyffjjjg6fsfxddwfh19";
+        authors = [
+          "The Servo Project Developers"
+        ];
+        dependencies = [
+          {
+            name = "lazy_static";
+            packageId = "lazy_static";
+          }
+          {
+            name = "new_debug_unreachable";
+            packageId = "new_debug_unreachable";
+          }
+          {
+            name = "phf_shared";
+            packageId = "phf_shared";
+          }
+          {
+            name = "precomputed-hash";
+            packageId = "precomputed-hash";
+          }
+          {
+            name = "serde";
+            packageId = "serde";
+          }
+        ];
+        
+      };
+      "strsim" = rec {
+        crateName = "strsim";
+        version = "0.9.3";
+        edition = "2015";
+        sha256 = "0k497pv882qn3q977ckznm13vxx927g8s1swvcv68j3c1pccwik4";
+        authors = [
+          "Danny Guo <dannyguo91@gmail.com>"
+        ];
+        
+      };
+      "syn" = rec {
+        crateName = "syn";
+        version = "1.0.39";
+        edition = "2018";
+        sha256 = "1y8ikwihdrfn64ybrhaqlbxlcf4g43s8mad36n47yz7ycxjqs7c9";
+        authors = [
+          "David Tolnay <dtolnay@gmail.com>"
+        ];
+        dependencies = [
+          {
+            name = "proc-macro2";
+            packageId = "proc-macro2";
+            usesDefaultFeatures = false;
+          }
+          {
+            name = "quote";
+            packageId = "quote";
+            optional = true;
+            usesDefaultFeatures = false;
+          }
+          {
+            name = "unicode-xid";
+            packageId = "unicode-xid";
+          }
+        ];
+        features = {
+          "default" = [ "derive" "parsing" "printing" "clone-impls" "proc-macro" ];
+          "printing" = [ "quote" ];
+          "proc-macro" = [ "proc-macro2/proc-macro" "quote/proc-macro" ];
+          "test" = [ "syn-test-suite/all-features" ];
+        };
+        resolvedDefaultFeatures = [ "clone-impls" "default" "derive" "parsing" "printing" "proc-macro" "quote" "visit" ];
+      };
+      "term" = rec {
+        crateName = "term";
+        version = "0.5.2";
+        edition = "2015";
+        sha256 = "0hkgjrfisj6zjwz525639pmsvzhlc48a0h65nw87qrdp6jihdlgd";
+        authors = [
+          "The Rust Project Developers"
+          "Steven Allen"
+        ];
+        dependencies = [
+          {
+            name = "byteorder";
+            packageId = "byteorder";
+          }
+          {
+            name = "dirs";
+            packageId = "dirs";
+          }
+          {
+            name = "winapi";
+            packageId = "winapi";
+            target = { target, features }: target."windows";
+            features = [ "consoleapi" "wincon" "handleapi" "fileapi" ];
+          }
+        ];
+        features = {
+        };
+        resolvedDefaultFeatures = [ "default" ];
+      };
+      "thread_local" = rec {
+        crateName = "thread_local";
+        version = "1.0.1";
+        edition = "2015";
+        sha256 = "054vlrr1vsdy1h4b7n99mr24pnj8928ig9qwzg36wnkld4dns36l";
+        authors = [
+          "Amanieu d'Antras <amanieu@gmail.com>"
+        ];
+        dependencies = [
+          {
+            name = "lazy_static";
+            packageId = "lazy_static";
+          }
+        ];
+        
+      };
+      "typenum" = rec {
+        crateName = "typenum";
+        version = "1.12.0";
+        edition = "2015";
+        sha256 = "0cvbksljz61ian21fnn0h51kphl0pwpzb932bv4s0rwy1wh8lg1p";
+        build = "build/main.rs";
+        authors = [
+          "Paho Lurie-Gregg <paho@paholg.com>"
+          "Andre Bogus <bogusandre@gmail.com>"
+        ];
+        features = {
+        };
+      };
+      "unicode-xid" = rec {
+        crateName = "unicode-xid";
+        version = "0.2.1";
+        edition = "2015";
+        sha256 = "0r6mknipyy9vpz8mwmxvkx65ff2ha1n2pxqjj6f46lcn8yrhpzpp";
+        authors = [
+          "erick.tryzelaar <erick.tryzelaar@gmail.com>"
+          "kwantam <kwantam@gmail.com>"
+        ];
+        features = {
+        };
+        resolvedDefaultFeatures = [ "default" ];
+      };
+      "wasi" = rec {
+        crateName = "wasi";
+        version = "0.9.0+wasi-snapshot-preview1";
+        edition = "2018";
+        sha256 = "06g5v3vrdapfzvfq662cij7v8a1flwr2my45nnncdv2galrdzkfc";
+        authors = [
+          "The Cranelift Project Developers"
+        ];
+        features = {
+          "default" = [ "std" ];
+          "rustc-dep-of-std" = [ "compiler_builtins" "core" "rustc-std-workspace-alloc" ];
+        };
+        resolvedDefaultFeatures = [ "default" "std" ];
+      };
+      "winapi" = rec {
+        crateName = "winapi";
+        version = "0.3.9";
+        edition = "2015";
+        sha256 = "06gl025x418lchw1wxj64ycr7gha83m44cjr5sarhynd9xkrm0sw";
+        authors = [
+          "Peter Atashian <retep998@gmail.com>"
+        ];
+        dependencies = [
+          {
+            name = "winapi-i686-pc-windows-gnu";
+            packageId = "winapi-i686-pc-windows-gnu";
+            target = { target, features }: (stdenv.hostPlatform.config == "i686-pc-windows-gnu");
+          }
+          {
+            name = "winapi-x86_64-pc-windows-gnu";
+            packageId = "winapi-x86_64-pc-windows-gnu";
+            target = { target, features }: (stdenv.hostPlatform.config == "x86_64-pc-windows-gnu");
+          }
+        ];
+        features = {
+          "debug" = [ "impl-debug" ];
+        };
+        resolvedDefaultFeatures = [ "consoleapi" "fileapi" "handleapi" "knownfolders" "minwinbase" "minwindef" "objbase" "processenv" "shlobj" "winbase" "wincon" "winerror" ];
+      };
+      "winapi-i686-pc-windows-gnu" = rec {
+        crateName = "winapi-i686-pc-windows-gnu";
+        version = "0.4.0";
+        edition = "2015";
+        sha256 = "1dmpa6mvcvzz16zg6d5vrfy4bxgg541wxrcip7cnshi06v38ffxc";
+        authors = [
+          "Peter Atashian <retep998@gmail.com>"
+        ];
+        
+      };
+      "winapi-x86_64-pc-windows-gnu" = rec {
+        crateName = "winapi-x86_64-pc-windows-gnu";
+        version = "0.4.0";
+        edition = "2015";
+        sha256 = "0gqq64czqb64kskjryj8isp62m2sgvx25yyj3kpc2myh85w24bki";
+        authors = [
+          "Peter Atashian <retep998@gmail.com>"
+        ];
         
       };
     };
diff --git a/Cargo.toml b/Cargo.toml
index 985f7dc..f245856 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -5,3 +5,7 @@ authors = ["Irene Knapp <ireneista@gmail.com>"]
 edition = "2018"
 
 [dependencies]
+lalrpop-util = "0.19"
+
+[build-dependencies]
+lalrpop = { version = "0.19", features = [ "lexer" ] }
diff --git a/build.rs b/build.rs
new file mode 100644
index 0000000..23c7d3f
--- /dev/null
+++ b/build.rs
@@ -0,0 +1,5 @@
+extern crate lalrpop;
+
+fn main() {
+    lalrpop::process_root().unwrap();
+}