From 95fcd2836a3cd5cd0f5cec85e655ec851412b62a Mon Sep 17 00:00:00 2001
From: mlokr <jdoka@crownsterling.io>
Date: Mon, 8 Jul 2024 07:22:53 +0200
Subject: [PATCH] removing garbage

---
 Cargo.lock                         | 435 +--------------
 Cargo.toml                         |   2 +-
 hbasm/Cargo.toml                   |   9 -
 hbasm/examples/ableos/main.rhai    |  13 -
 hbasm/examples/ableos/std.rhai     |  24 -
 hbasm/examples/hello-linux.rhai    |   9 -
 hbasm/examples/macros.rhai         |  33 --
 hbasm/src/data.rs                  | 101 ----
 hbasm/src/ins.rs                   | 321 -----------
 hbasm/src/label.rs                 | 112 ----
 hbasm/src/lib.rs                   |  45 --
 hbasm/src/linker.rs                |  47 --
 hbasm/src/main.rs                  |   8 -
 hbasm/src/object.rs                |  94 ----
 hbbytecode/src/lib.rs              |   8 +-
 hblang/build.rs                    |  26 +-
 hblang/src/codegen.rs              | 836 ++++++++++-------------------
 hblang/src/lexer.rs                | 125 ++---
 hblang/src/lib.rs                  |  84 +--
 hblang/src/main.rs                 |   2 +-
 hblang/src/parser.rs               | 408 +++++++-------
 hblang/text-prj/main.hb            |   4 +-
 hbvm/src/bmc.rs                    |  57 +-
 hbvm/src/float/mod.rs              |   2 +-
 hbvm/src/lib.rs                    |  17 +-
 hbvm/src/mem/mod.rs                |   3 +-
 hbvm/src/mem/softpaging/icache.rs  |  12 +-
 hbvm/src/mem/softpaging/lookup.rs  |  24 +-
 hbvm/src/mem/softpaging/mapping.rs |  25 +-
 hbvm/src/mem/softpaging/mod.rs     |  23 +-
 hbvm/src/mem/softpaging/paging.rs  |   9 +-
 hbvm/src/vmrun.rs                  |  38 +-
 hbxrt/src/main.rs                  |  12 +-
 rustfmt.toml                       |   9 +-
 xtask/Cargo.toml                   |   1 -
 xtask/src/fmt.rs                   |  18 +-
 xtask/src/main.rs                  |   8 +-
 37 files changed, 675 insertions(+), 2329 deletions(-)
 delete mode 100644 hbasm/Cargo.toml
 delete mode 100644 hbasm/examples/ableos/main.rhai
 delete mode 100644 hbasm/examples/ableos/std.rhai
 delete mode 100644 hbasm/examples/hello-linux.rhai
 delete mode 100644 hbasm/examples/macros.rhai
 delete mode 100644 hbasm/src/data.rs
 delete mode 100644 hbasm/src/ins.rs
 delete mode 100644 hbasm/src/label.rs
 delete mode 100644 hbasm/src/lib.rs
 delete mode 100644 hbasm/src/linker.rs
 delete mode 100644 hbasm/src/main.rs
 delete mode 100644 hbasm/src/object.rs

diff --git a/Cargo.lock b/Cargo.lock
index 7698ffcd..0d6e0db6 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2,35 +2,6 @@
 # It is not intended for manual editing.
 version = 3
 
-[[package]]
-name = "addr2line"
-version = "0.21.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8a30b2e23b9e17a9f90641c7ab1549cd9b44f296d3ccbf309d2863cfe398a0cb"
-dependencies = [
- "gimli",
-]
-
-[[package]]
-name = "adler"
-version = "1.0.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
-
-[[package]]
-name = "ahash"
-version = "0.8.11"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e89da841a80418a9b391ebaea17f5c112ffaaa96f621d2c285b5174da76b9011"
-dependencies = [
- "cfg-if",
- "const-random",
- "getrandom",
- "once_cell",
- "version_check",
- "zerocopy",
-]
-
 [[package]]
 name = "argh"
 version = "0.1.12"
@@ -50,7 +21,7 @@ dependencies = [
  "argh_shared",
  "proc-macro2",
  "quote",
- "syn 2.0.63",
+ "syn",
 ]
 
 [[package]]
@@ -62,134 +33,6 @@ dependencies = [
  "serde",
 ]
 
-[[package]]
-name = "autocfg"
-version = "1.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0c4b4d0bd25bd0b74681c0ad21497610ce1b7c91b1022cd21c80c6fbdd9476b0"
-
-[[package]]
-name = "backtrace"
-version = "0.3.71"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "26b05800d2e817c8b3b4b54abd461726265fa9789ae34330622f2db9ee696f9d"
-dependencies = [
- "addr2line",
- "cc",
- "cfg-if",
- "libc",
- "miniz_oxide",
- "object",
- "rustc-demangle",
-]
-
-[[package]]
-name = "bitflags"
-version = "2.5.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cf4b9d6a944f767f8e5e0db018570623c85f3d925ac718db4e06d0187adb21c1"
-
-[[package]]
-name = "cc"
-version = "1.0.97"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "099a5357d84c4c61eb35fc8eafa9a79a902c2f76911e5747ced4e032edd8d9b4"
-
-[[package]]
-name = "cfg-if"
-version = "1.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
-
-[[package]]
-name = "color-eyre"
-version = "0.6.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "55146f5e46f237f7423d74111267d4597b59b0dad0ffaf7303bce9945d843ad5"
-dependencies = [
- "backtrace",
- "color-spantrace",
- "eyre",
- "indenter",
- "once_cell",
- "owo-colors",
- "tracing-error",
-]
-
-[[package]]
-name = "color-spantrace"
-version = "0.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cd6be1b2a7e382e2b98b43b2adcca6bb0e465af0bdd38123873ae61eb17a72c2"
-dependencies = [
- "once_cell",
- "owo-colors",
- "tracing-core",
- "tracing-error",
-]
-
-[[package]]
-name = "const-random"
-version = "0.1.18"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "87e00182fe74b066627d63b85fd550ac2998d4b0bd86bfed477a0ae4c7c71359"
-dependencies = [
- "const-random-macro",
-]
-
-[[package]]
-name = "const-random-macro"
-version = "0.1.16"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f9d839f2a20b0aee515dc581a6172f2321f96cab76c1a38a4c584a194955390e"
-dependencies = [
- "getrandom",
- "once_cell",
- "tiny-keccak",
-]
-
-[[package]]
-name = "crunchy"
-version = "0.2.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7a81dae078cea95a014a339291cec439d2f232ebe854a9d672b796c6afafa9b7"
-
-[[package]]
-name = "eyre"
-version = "0.6.12"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7cd915d99f24784cdc19fd37ef22b97e3ff0ae756c7e492e9fbfe897d61e2aec"
-dependencies = [
- "indenter",
- "once_cell",
-]
-
-[[package]]
-name = "getrandom"
-version = "0.2.15"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c4567c8db10ae91089c99af84c68c38da3ec2f087c3f82960bcdbf3656b6f4d7"
-dependencies = [
- "cfg-if",
- "libc",
- "wasi",
-]
-
-[[package]]
-name = "gimli"
-version = "0.28.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4271d37baee1b8c7e4b708028c57d816cf9d2434acb33a549475f78c181f6253"
-
-[[package]]
-name = "hbasm"
-version = "0.1.0"
-dependencies = [
- "paste",
- "rhai",
- "with_builtin_macros",
-]
-
 [[package]]
 name = "hbbytecode"
 version = "0.1.0"
@@ -220,39 +63,12 @@ dependencies = [
  "memmap2",
 ]
 
-[[package]]
-name = "indenter"
-version = "0.3.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ce23b50ad8242c51a442f3ff322d56b02f08852c77e4c0b4d3fd684abc89c683"
-
-[[package]]
-name = "instant"
-version = "0.1.12"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7a5bbe824c507c5da5956355e86a746d82e0e1464f65d862cc5e71da70e94b2c"
-dependencies = [
- "cfg-if",
-]
-
-[[package]]
-name = "lazy_static"
-version = "1.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
-
 [[package]]
 name = "libc"
 version = "0.2.154"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ae743338b92ff9146ce83992f766a31066a91a8c84a45e0e9f21e7cf6de6d346"
 
-[[package]]
-name = "memchr"
-version = "2.7.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6c8640c5d730cb13ebd907d8d04b52f55ac9a2eec55b440c8892f40d56c76c1d"
-
 [[package]]
 name = "memmap2"
 version = "0.9.4"
@@ -262,57 +78,12 @@ dependencies = [
  "libc",
 ]
 
-[[package]]
-name = "miniz_oxide"
-version = "0.7.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9d811f3e15f28568be3407c8e7fdb6514c1cda3cb30683f15b6a1a1dc4ea14a7"
-dependencies = [
- "adler",
-]
-
-[[package]]
-name = "num-traits"
-version = "0.2.19"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "071dfc062690e90b734c0b2273ce72ad0ffa95f0c74596bc250dcfd960262841"
-dependencies = [
- "autocfg",
-]
-
-[[package]]
-name = "object"
-version = "0.32.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a6a622008b6e321afc04970976f62ee297fdbaa6f95318ca343e3eebb9648441"
-dependencies = [
- "memchr",
-]
-
 [[package]]
 name = "once_cell"
 version = "1.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3fdb12b2476b595f9358c5161aa467c2438859caa136dec86c26fdd2efe17b92"
 
-[[package]]
-name = "owo-colors"
-version = "3.5.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c1b04fb49957986fdce4d6ee7a65027d55d4b6d2265e5848bbb507b58ccfdb6f"
-
-[[package]]
-name = "paste"
-version = "1.0.15"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "57c0d7b74b563b49d38dae00a0c37d4d6de9b432382b2892f0574ddcae73fd0a"
-
-[[package]]
-name = "pin-project-lite"
-version = "0.2.14"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bda66fc9667c18cb2758a2ac84d1167245054bcf85d5d1aaa6923f45801bdd02"
-
 [[package]]
 name = "proc-macro2"
 version = "1.0.82"
@@ -331,40 +102,6 @@ dependencies = [
  "proc-macro2",
 ]
 
-[[package]]
-name = "rhai"
-version = "1.18.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7a7d88770120601ba1e548bb6bc2a05019e54ff01b51479e38e64ec3b59d4759"
-dependencies = [
- "ahash",
- "bitflags",
- "instant",
- "num-traits",
- "once_cell",
- "rhai_codegen",
- "smallvec",
- "smartstring",
- "thin-vec",
-]
-
-[[package]]
-name = "rhai_codegen"
-version = "2.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "59aecf17969c04b9c0c5d21f6bc9da9fec9dd4980e64d1871443a476589d8c86"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn 2.0.63",
-]
-
-[[package]]
-name = "rustc-demangle"
-version = "0.1.24"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "719b953e2095829ee67db738b3bfa9fa368c94900df327b3f07fe6e794d2fe1f"
-
 [[package]]
 name = "serde"
 version = "1.0.202"
@@ -382,50 +119,7 @@ checksum = "6048858004bcff69094cd972ed40a32500f153bd3be9f716b2eed2e8217c4838"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.63",
-]
-
-[[package]]
-name = "sharded-slab"
-version = "0.1.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f40ca3c46823713e0d4209592e8d6e826aa57e928f09752619fc696c499637f6"
-dependencies = [
- "lazy_static",
-]
-
-[[package]]
-name = "smallvec"
-version = "1.13.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3c5e1a9a646d36c3599cd173a41282daf47c44583ad367b8e6837255952e5c67"
-
-[[package]]
-name = "smartstring"
-version = "1.0.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3fb72c633efbaa2dd666986505016c32c3044395ceaf881518399d2f4127ee29"
-dependencies = [
- "autocfg",
- "static_assertions",
- "version_check",
-]
-
-[[package]]
-name = "static_assertions"
-version = "1.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
-
-[[package]]
-name = "syn"
-version = "1.0.109"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "72b64191b275b66ffe2469e8af2c1cfe3bafa67b529ead792a6d0160888b4237"
-dependencies = [
- "proc-macro2",
- "quote",
- "unicode-ident",
+ "syn",
 ]
 
 [[package]]
@@ -439,141 +133,16 @@ dependencies = [
  "unicode-ident",
 ]
 
-[[package]]
-name = "thin-vec"
-version = "0.2.13"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a38c90d48152c236a3ab59271da4f4ae63d678c5d7ad6b7714d7cb9760be5e4b"
-
-[[package]]
-name = "thread_local"
-version = "1.1.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8b9ef9bad013ada3808854ceac7b46812a6465ba368859a37e2100283d2d719c"
-dependencies = [
- "cfg-if",
- "once_cell",
-]
-
-[[package]]
-name = "tiny-keccak"
-version = "2.0.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2c9d3793400a45f954c52e73d068316d76b6f4e36977e3fcebb13a2721e80237"
-dependencies = [
- "crunchy",
-]
-
-[[package]]
-name = "tracing"
-version = "0.1.40"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c3523ab5a71916ccf420eebdf5521fcef02141234bbc0b8a49f2fdc4544364ef"
-dependencies = [
- "pin-project-lite",
- "tracing-core",
-]
-
-[[package]]
-name = "tracing-core"
-version = "0.1.32"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c06d3da6113f116aaee68e4d601191614c9053067f9ab7f6edbcb161237daa54"
-dependencies = [
- "once_cell",
- "valuable",
-]
-
-[[package]]
-name = "tracing-error"
-version = "0.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d686ec1c0f384b1277f097b2f279a2ecc11afe8c133c1aabf036a27cb4cd206e"
-dependencies = [
- "tracing",
- "tracing-subscriber",
-]
-
-[[package]]
-name = "tracing-subscriber"
-version = "0.3.18"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ad0f048c97dbd9faa9b7df56362b8ebcaa52adb06b498c050d2f4e32f90a7a8b"
-dependencies = [
- "sharded-slab",
- "thread_local",
- "tracing-core",
-]
-
 [[package]]
 name = "unicode-ident"
 version = "1.0.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3354b9ac3fae1ff6755cb6db53683adb661634f67557942dea4facebec0fee4b"
 
-[[package]]
-name = "valuable"
-version = "0.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "830b7e5d4d90034032940e4ace0d9a9a057e7a45cd94e6c007832e39edb82f6d"
-
-[[package]]
-name = "version_check"
-version = "0.9.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
-
-[[package]]
-name = "wasi"
-version = "0.11.0+wasi-snapshot-preview1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
-
-[[package]]
-name = "with_builtin_macros"
-version = "0.0.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a59d55032495429b87f9d69954c6c8602e4d3f3e0a747a12dea6b0b23de685da"
-dependencies = [
- "with_builtin_macros-proc_macros",
-]
-
-[[package]]
-name = "with_builtin_macros-proc_macros"
-version = "0.0.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "15bd7679c15e22924f53aee34d4e448c45b674feb6129689af88593e129f8f42"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn 1.0.109",
-]
-
 [[package]]
 name = "xtask"
 version = "0.1.0"
 dependencies = [
  "argh",
- "color-eyre",
  "once_cell",
 ]
-
-[[package]]
-name = "zerocopy"
-version = "0.7.34"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ae87e3fcd617500e5d106f0380cf7b77f3c6092aae37191433159dda23cfb087"
-dependencies = [
- "zerocopy-derive",
-]
-
-[[package]]
-name = "zerocopy-derive"
-version = "0.7.34"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "15e934569e47891f7d9411f1a451d947a60e000ab3bd24fbb970f000387d1b3b"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn 2.0.63",
-]
diff --git a/Cargo.toml b/Cargo.toml
index 539119e1..04c812b1 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,3 +1,3 @@
 [workspace]
 resolver = "2"
-members = ["hbasm", "hbbytecode", "hbvm", "hbxrt", "xtask", "hblang", "hbjit"]
+members = ["hbbytecode", "hbvm", "hbxrt", "xtask", "hblang", "hbjit"]
diff --git a/hbasm/Cargo.toml b/hbasm/Cargo.toml
deleted file mode 100644
index 3cac5660..00000000
--- a/hbasm/Cargo.toml
+++ /dev/null
@@ -1,9 +0,0 @@
-[package]
-name = "hbasm"
-version = "0.1.0"
-edition = "2021"
-
-[dependencies]
-paste               = "1.0"
-rhai                = "1.16"
-with_builtin_macros = "0.0.3"
diff --git a/hbasm/examples/ableos/main.rhai b/hbasm/examples/ableos/main.rhai
deleted file mode 100644
index 0302a2ce..00000000
--- a/hbasm/examples/ableos/main.rhai
+++ /dev/null
@@ -1,13 +0,0 @@
-import "hbasm/examples/ableos/std" as std;
-
-fn main(){
-    std::Error(":+)");
-    std::Warn("Your mom fell in a well!");
-    std::Info("Hello, world!");
-    std::Debug("ABC");
-    std::Trace("Trace Deez");
-
-    tx();
-}
-
-main();
\ No newline at end of file
diff --git a/hbasm/examples/ableos/std.rhai b/hbasm/examples/ableos/std.rhai
deleted file mode 100644
index 5ff9deeb..00000000
--- a/hbasm/examples/ableos/std.rhai
+++ /dev/null
@@ -1,24 +0,0 @@
-fn ipc_send(buffer_id, mem_addr, length){
-    // set the ecall
-    li8(r1, 3);
-    // Set the buffer ID to be the BufferID
-    li64(r2, buffer_id);
-    lra(r3, r0, mem_addr);
-    // set the length
-    li64(r4, length);
-    // ecall
-    eca(); 
-}
-
-private fn log(log_level, string){
-    let str = data::str(string);
-    ipc_send(1, str, str.len);
-}
-
-fn Error(string) {log(0, string);}
-fn Warn(string) {log(1, string);}
-fn Info(string) {log(2, string);}
-// Due to rhai limitations this cannot be debug
-// because of this all of the log levels are upper case
-fn Debug(string) {log(3, string);}
-fn Trace(string) {log(4, string);}
diff --git a/hbasm/examples/hello-linux.rhai b/hbasm/examples/hello-linux.rhai
deleted file mode 100644
index 326a80a4..00000000
--- a/hbasm/examples/hello-linux.rhai
+++ /dev/null
@@ -1,9 +0,0 @@
-let hello = data::str("Hello, world!");
-
-li8     (r1, 1);            // Write syscall
-li8     (r2, 1);            // Stdout FD
-lra16   (r3, r0, hello);    // String buffer
-li8     (r4, hello.len);    // String length
-eca     ();                 // System call
-
-tx      ();                 // End program
\ No newline at end of file
diff --git a/hbasm/examples/macros.rhai b/hbasm/examples/macros.rhai
deleted file mode 100644
index afd7bd2f..00000000
--- a/hbasm/examples/macros.rhai
+++ /dev/null
@@ -1,33 +0,0 @@
-li8(r1, 69);
-li8(r2,  0);
-
-if_eq(r1, r2,
-    || puts("Equals!"),
-    || puts("Not equals!"),
-);
-
-
-tx(); // END OF MAIN
-
-/// Inline function – write text to stdout
-fn puts(string) {
-    let d = data::str(string);
-    li8   (r1, 1);     // Write syscall
-    li8   (r2, 1);     // Stdout handle
-    lra16 (r3, r0, d);
-    li64  (r4, d.len);
-    eca   ();
-}
-
-fn if_eq(a, b, thenblk, elseblk) {
-    let elselbl = declabel();
-    let endlbl  = declabel();
-
-    jne(a, b, elselbl);
-    thenblk.call();
-    jmp16(endlbl);
-
-    elselbl.here();
-    elseblk.call();
-    endlbl.here();
-}
\ No newline at end of file
diff --git a/hbasm/src/data.rs b/hbasm/src/data.rs
deleted file mode 100644
index 16e00f4f..00000000
--- a/hbasm/src/data.rs
+++ /dev/null
@@ -1,101 +0,0 @@
-//! Data section inserts
-
-use {
-    crate::{object::SymbolRef, SharedObject},
-    rhai::{CustomType, Engine, FuncRegistration, ImmutableString, Module},
-};
-
-/// Generate insertions for data types
-///
-/// `gen_data_instructions!($module, $obj, [$type, …]);`
-/// - `$module`: Rhai module
-/// - `$obj`: Code object
-/// - `$type`: Type of single array item
-macro_rules! gen_data_insertions {
-    ($module:expr, $obj:expr, [$($ty:ident),* $(,)?] $(,)?) => {{
-        let (module, obj) = ($module, $obj);
-        $({
-            // Clone object to each function
-            let obj = ::std::rc::Rc::clone(obj);
-
-            FuncRegistration::new(stringify!($ty))
-                .with_namespace(rhai::FnNamespace::Global)
-                .set_into_module::<_, 1, false, _, true, _>(module, move |arr: ::rhai::Array| {
-                    let obj    = &mut *obj.borrow_mut();
-                    let symbol = obj.symbol($crate::object::Section::Data);
-
-                    // Reserve space for object so we don't resize it
-                    // all the time
-                    obj.sections
-                        .data
-                        .reserve(arr.len() * ::std::mem::size_of::<$ty>());
-
-                    // For every item…
-                    for item in arr {
-                        // … try do conversions from i32 to desired type
-                        //   and insert it.
-                        obj.sections.data.extend(
-                            match item.as_int() {
-                                Ok(num) => $ty::try_from(num).map_err(|_| "i64".to_owned()),
-                                Err(ty) => Err(ty.to_owned()),
-                            }
-                            .map_err(|err| {
-
-                                ::rhai::EvalAltResult::ErrorMismatchDataType(
-                                    stringify!($ty).to_owned(),
-                                    err,
-                                    ::rhai::Position::NONE,
-                                )
-                            })?
-                            .to_le_bytes(),
-                        );
-                    }
-
-                    Ok(DataRef {
-                        symbol,
-                        len: obj.sections.data.len() - symbol.0,
-                    })
-                });
-        })*
-    }};
-}
-
-/// Reference to entry in data section
-#[derive(Clone, Copy, Debug)]
-pub struct DataRef {
-    pub symbol: SymbolRef,
-    pub len:    usize,
-}
-
-impl CustomType for DataRef {
-    fn build(mut builder: rhai::TypeBuilder<Self>) {
-        builder
-            .with_name("DataRef")
-            .with_get("symbol", |this: &mut Self| this.symbol)
-            .with_get("len", |this: &mut Self| this.len as u64 as i64);
-    }
-}
-
-pub fn module(engine: &mut Engine, obj: SharedObject) -> Module {
-    let mut module = Module::new();
-
-    gen_data_insertions!(&mut module, &obj, [i8, i16, i32, i64]);
-
-    // Specialisation for strings, they should be
-    // inserted as plain UTF-8 arrays
-    FuncRegistration::new("str")
-        .with_namespace(rhai::FnNamespace::Global)
-        .set_into_module::<_, 1, false, _, true, _>(&mut module, move |s: ImmutableString| {
-            let obj = &mut *obj.borrow_mut();
-            let symbol = obj.symbol(crate::object::Section::Data);
-
-            obj.sections.data.extend(s.as_bytes());
-            Ok(DataRef {
-                symbol,
-                len: s.len(),
-            })
-        });
-
-    engine.build_type::<DataRef>();
-    module
-}
diff --git a/hbasm/src/ins.rs b/hbasm/src/ins.rs
deleted file mode 100644
index 4b4a2402..00000000
--- a/hbasm/src/ins.rs
+++ /dev/null
@@ -1,321 +0,0 @@
-//! Functions for inserting instructions
-//! 
-//! Most of the code you see is just metaprogramming stuff.
-//! This ensures that adding new instructions won't need any
-//! specific changes and consistent behaviour.
-//!
-//! > I tried to comment stuff here, but I meanwhile forgor how it works.
-//!
-//! — Erin
-
-use {
-    crate::object::Object,
-    rhai::{FuncRegistration, Module},
-    std::{cell::RefCell, rc::Rc},
-};
-
-/// Operand types and their insertions
-pub mod optypes {
-    use {
-        crate::{
-            label::UnboundLabel,
-            object::{Object, RelocKey, RelocType, SymbolRef},
-        },
-        rhai::{Dynamic, EvalAltResult, ImmutableString, Position},
-    };
-
-    // These types represent operand types to be inserted
-    pub type R = u8;
-    pub type B = i8;
-    pub type H = i16;
-    pub type W = i32;
-    pub type D = i64;
-
-    pub type A = Dynamic;
-    pub type O = Dynamic;
-    pub type P = Dynamic;
-
-    /// Insert relocation into code
-    ///
-    /// - If integer, just write it to the code
-    /// - Otherwise insert entry into relocation table
-    ///   and fill zeroes
-    pub fn insert_reloc(
-        obj: &mut Object,
-        ty: RelocType,
-        val: &Dynamic,
-    ) -> Result<(), EvalAltResult> {
-        match () {
-            // Direct references – insert directly to table
-            _ if val.is::<SymbolRef>() => {
-                obj.relocation(RelocKey::Symbol(val.clone_cast::<SymbolRef>().0), ty)
-            }
-            _ if val.is::<UnboundLabel>() => {
-                obj.relocation(RelocKey::Symbol(val.clone_cast::<UnboundLabel>().0), ty)
-            }
-            _ if val.is::<DataRef>() => {
-                obj.relocation(RelocKey::Symbol(val.clone_cast::<DataRef>().symbol.0), ty)
-            }
-
-            // String (indirect) reference
-            _ if val.is_string() => {
-                obj.relocation(RelocKey::Label(val.clone_cast::<ImmutableString>()), ty)
-            }
-
-            // Manual offset
-            _ if val.is_int() => {
-                let int = val.clone_cast::<i64>();
-                match ty {
-                    RelocType::Rel32 => obj.sections.text.extend((int as i32).to_le_bytes()),
-                    RelocType::Rel16 => obj.sections.text.extend((int as i16).to_le_bytes()),
-                    RelocType::Abs64 => obj.sections.text.extend(int.to_le_bytes()),
-                }
-            }
-
-            _ => {
-                return Err(EvalAltResult::ErrorMismatchDataType(
-                    "SymbolRef, UnboundLabel, String or Int".to_owned(),
-                    val.type_name().to_owned(),
-                    Position::NONE,
-                ))
-            }
-        }
-
-        Ok(())
-    }
-
-    /// Generate macro for inserting item into the output object
-    ///
-    /// Pre-defines inserts for absolute address and relative offsets.
-    /// These are inserted with function [`insert_reloc`]
-    /// # le_bytes
-    /// `gen_insert!(le_bytes: [B, …]);`
-    ///
-    /// Takes sequence of operand types which should be inserted
-    /// by invoking `to_le_bytes` method on it.
-    macro_rules! gen_insert {
-        (le_bytes: [$($lety:ident),* $(,)?]) => {
-            /// `insert!($thing, $obj, $type)` where
-            /// - `$thing`: Value you want to insert
-            /// - `$obj`: Code object
-            /// - `$type`: Type of inserted value
-            ///
-            /// Eg. `insert!(69_u8, obj, B);`
-            macro_rules! insert {
-                $(($thing:expr, $obj: expr, $lety) => {
-                    $obj.sections.text.extend($thing.to_le_bytes());
-                };)*
-
-                ($thing:expr, $obj:expr, A) => {
-                    $crate::ins::optypes::insert_reloc(
-                        $obj,
-                        $crate::object::RelocType::Abs64,
-                        $thing
-                    )?
-                };
-                ($thing:expr, $obj:expr, O) => {
-                    $crate::ins::optypes::insert_reloc(
-                        $obj,
-                        $crate::object::RelocType::Rel32,
-                        $thing
-                    )?
-                };
-                ($thing:expr, $obj:expr, P) => {
-                    $crate::ins::optypes::insert_reloc(
-                        $obj,
-                        $crate::object::RelocType::Rel16,
-                        $thing
-                    )?
-                };
-            }
-        };
-    }
-
-    gen_insert!(le_bytes: [R, B, H, W, D]);
-
-    #[allow(clippy::single_component_path_imports)]
-    pub(super) use insert;
-
-    use crate::data::DataRef;
-}
-
-/// Rhai Types (types for function parameters as Rhai uses only 64bit signed integers)
-pub mod rity {
-    pub use super::optypes::{A, O, P, R};
-    pub type B = i64;
-    pub type H = i64;
-    pub type W = i64;
-    pub type D = i64;
-}
-
-/// Generic instruction (instruction of certain operands type) inserts
-pub mod generic {
-    use {crate::object::Object, rhai::EvalAltResult};
-
-    pub(super) fn convert_op<A, B>(from: A) -> Result<B, EvalAltResult>
-    where
-        B: TryFrom<A>,
-        <B as TryFrom<A>>::Error: std::error::Error + Sync + Send + 'static,
-    {
-        B::try_from(from).map_err(|e| {
-            EvalAltResult::ErrorSystem("Data conversion error".to_owned(), Box::new(e))
-        })
-    }
-
-    /// Generate opcode-generic instruction insert macro
-    macro_rules! gen_ins {
-        ($($($name:ident : $ty:ty),*;)*) => {
-            paste::paste! {
-                $(
-                    /// Instruction-generic opcode insertion function
-                    /// - `obj`: Code object
-                    /// - `opcode`: opcode, not checked if valid for instruction type
-                    /// - … for operands
-                    #[inline]
-                    pub fn [<$($ty:lower)*>](
-                        obj: &mut Object,
-                        opcode: u8,
-                        $($name: $crate::ins::optypes::$ty),*,
-                    ) -> Result<(), EvalAltResult> {
-                        // Push opcode
-                        obj.sections.text.push(opcode);
-
-                        // Insert based on type
-                        $($crate::ins::optypes::insert!(&$name, obj, $ty);)*
-                        Ok(())
-                    }
-                )*
-
-                /// Generate Rhai opcode-specific instruction insertion functions
-                ///
-                /// `gen_ins_fn!($obj, $opcode, $optype);` where:
-                /// - `$obj`: Code object
-                /// - `$opcode`: Opcode value
-                macro_rules! gen_ins_fn {
-                    $(
-                        ($obj:expr, $opcode:expr, [<$($ty)*>]) => {
-                            // Opcode-specific insertion function
-                            // - Parameters = operands
-                            move |$($name: $crate::ins::rity::$ty),*| {
-                                // Invoke generic function
-                                $crate::ins::generic::[<$($ty:lower)*>](
-                                    &mut *$obj.borrow_mut(),
-                                    $opcode,
-                                    $(
-                                        // Convert to desired type (from Rhai-provided values)
-                                        $crate::ins::generic::convert_op::<     
-                                            _,
-                                            $crate::ins::optypes::$ty
-                                        >($name)?
-                                    ),*
-                                )?;
-                                Ok(())
-                            }
-                        };
-
-                        // Internal-use: count args
-                        (@arg_count [<$($ty)*>]) => {
-                            { ["", $(stringify!($ty)),*].len() - 1 }
-                        };
-                    )*
-
-                    // Specialisation for no-operand instructions
-                    ($obj:expr, $opcode:expr, N) => {
-                        move || {
-                            $crate::ins::generic::n(&mut *$obj.borrow_mut(), $opcode);
-                            Ok(())
-                        }
-                    };
-
-                    // Internal-use specialisation: no-operand instructions
-                    (@arg_count N) => {
-                        { 0 }
-                    };
-                }
-            }
-        };
-    }
-
-    /// Specialisation for no-operand instructions – simply just push opcode
-    #[inline]
-    pub fn n(obj: &mut Object, opcode: u8) {
-        obj.sections.text.push(opcode);
-    }
-
-    // Generate opcode-generic instruction inserters
-    // (operand identifiers are arbitrary)
-    //
-    // New instruction types have to be added manually here
-    gen_ins! {
-        o0: R, o1: R;
-        o0: R, o1: R, o2: R;
-        o0: R, o1: R, o2: R, o3: R;
-        o0: R, o1: R, o2: B;
-        o0: R, o1: R, o2: H;
-        o0: R, o1: R, o2: W;
-        o0: R, o1: R, o2: D;
-        o0: R, o1: B;
-        o0: R, o1: H;
-        o0: R, o1: W;
-        o0: R, o1: D;
-        o0: R, o1: R, o2: A;
-        o0: R, o1: R, o2: A, o3: H;
-        o0: R, o1: R, o2: O, o3: H;
-        o0: R, o1: R, o2: P, o3: H;
-        o0: R, o1: R, o2: O;
-        o0: R, o1: R, o2: P;
-        o0: O;
-        o0: P;
-    }
-
-    #[allow(clippy::single_component_path_imports)]
-    pub(super) use gen_ins_fn;
-}
-
-/// Generate instructions from instruction table
-///
-/// ```ignore
-/// instructions!(($module, $obj) {
-///     // Data from instruction table
-///     $opcode, $mnemonic, $opty, $doc;
-///     …
-/// });
-/// ```
-/// - `$module`: Rhai module
-/// - `$obj`: Code object
-macro_rules! instructions {
-    (
-        ($module:expr, $obj:expr $(,)?)
-        { $($opcode:expr, $mnemonic:ident, $ops:tt, $doc:literal;)* }
-    ) => {{
-        paste::paste! {
-            let (module, obj) = ($module, $obj);
-            $({
-                // Object is shared across all functions
-                let obj = Rc::clone(&obj);
-
-                // Register newly generated function for each instruction
-                FuncRegistration::new(stringify!([<$mnemonic:lower>]))
-                    .with_namespace(rhai::FnNamespace::Global)
-                    .set_into_module::<_, { generic::gen_ins_fn!(@arg_count $ops) }, false, _, true, _>(
-                        module,
-                        generic::gen_ins_fn!(
-                            obj,
-                            $opcode,
-                            $ops
-                        )
-                    );
-            })*
-        }
-    }};
-}
-
-/// Setup instruction insertors
-pub fn setup(module: &mut Module, obj: Rc<RefCell<Object>>) {
-    // Import instructions table and use it for generation
-    with_builtin_macros::with_builtin! {
-        let $spec = include_from_root!("../hbbytecode/instructions.in") in {
-            instructions!((module, obj) { $spec });
-        }
-    }
-}
diff --git a/hbasm/src/label.rs b/hbasm/src/label.rs
deleted file mode 100644
index 86142df2..00000000
--- a/hbasm/src/label.rs
+++ /dev/null
@@ -1,112 +0,0 @@
-//! Stuff related to labels
-
-use {
-    crate::SharedObject,
-    rhai::{Engine, FuncRegistration, ImmutableString, Module},
-};
-
-/// Macro for creating functions for Rhai which
-/// is bit more friendly
-///
-/// ```ignore
-///     shdm_fns!{
-///         module: $module;
-///         shared: $shared => $shname;
-///         
-///         $vis fn $name($param_name: $param_ty, …) -> $ret { … }
-///         …
-///     }
-/// ```
-/// - `$module`: Rhai module
-/// - `$shared`: Data to be shared across the functions
-///     - `$shname`: The binding name inside functions
-/// - `$vis`: Function visibility for Rhai
-///     - Lowercased [`rhai::FnNamespace`] variants
-/// - `$name`: Function name
-/// - `$param_name`: Parameter name
-/// - `$param_ty`: Rust parameter type
-/// - `$ret`: Optional return type (otherwise infer)
-macro_rules! shdm_fns {
-    (
-        module: $module:expr;
-        shared: $shared:expr => $shname:ident;
-
-        $(
-            $vis:ident fn $name:ident($($param_name:ident: $param_ty:ty),*) $(-> $ret:ty)? $blk:block
-        )*
-    ) => {{
-        let module = $module;
-        let shared = $shared;
-        paste::paste! {
-            $({
-
-                let $shname = SharedObject::clone(&shared);
-    
-                FuncRegistration::new(stringify!($name))
-                    .with_namespace(rhai::FnNamespace::[<$vis:camel>])
-                    .set_into_module::<_, { ["", $(stringify!($param_name)),*].len() - 1 }, false, _, true, _>(
-                        module,
-                        move |$($param_name: $param_ty),*| $(-> $ret)? {
-                            let mut $shname = $shname.borrow_mut();
-                            $blk
-                        }
-                    );
-            })*
-        }
-    }};
-}
-
-/// Label without any place bound
-#[derive(Clone, Copy, Debug)]
-pub struct UnboundLabel(pub usize);
-
-pub fn setup(engine: &mut Engine, module: &mut Module, object: SharedObject) {
-    shdm_fns! {
-        module: module;
-        shared: object => obj;
-
-        // Insert unnamed label
-        global fn label() {
-            let symbol = obj.symbol(crate::object::Section::Text);
-            Ok(symbol)
-        }
-
-        // Insert string-labeled label
-        global fn label(label: ImmutableString) {
-            let symbol = obj.symbol(crate::object::Section::Text);
-            obj.labels.insert(label, symbol.0);
-
-            Ok(symbol)
-        }
-
-        // Declare unbound label (to be bound later)
-        global fn declabel() {
-            let index = obj.symbols.len();
-            obj.symbols.push(None);
-
-            Ok(UnboundLabel(index))
-        }
-
-        // Declare unbound label (to be bound later)
-        // with string label
-        global fn declabel(label: ImmutableString) {
-            let index = obj.symbols.len();
-            obj.symbols.push(None);
-            obj.labels.insert(label, index);
-
-            Ok(UnboundLabel(index))
-        }
-
-        // Set location for unbound label
-        global fn here(label: UnboundLabel) {
-            obj.symbols[label.0] = Some(crate::object::SymbolEntry {
-                location: crate::object::Section::Text,
-                offset:   obj.sections.text.len(),
-            });
-
-            Ok(())
-        }
-    }
-
-    engine.register_type_with_name::<UnboundLabel>("UnboundLabel");
-}
diff --git a/hbasm/src/lib.rs b/hbasm/src/lib.rs
deleted file mode 100644
index 21c29108..00000000
--- a/hbasm/src/lib.rs
+++ /dev/null
@@ -1,45 +0,0 @@
-pub mod data;
-pub mod ins;
-pub mod label;
-pub mod linker;
-pub mod object;
-
-use {
-    object::Object,
-    rhai::{Engine, Module},
-    std::{cell::RefCell, rc::Rc},
-};
-
-type SharedObject = Rc<RefCell<Object>>;
-
-pub fn assembler(
-    linkout: &mut impl std::io::Write,
-    loader: impl FnOnce(&mut Engine) -> Result<(), Box<rhai::EvalAltResult>>,
-) -> Result<(), Box<dyn std::error::Error>> {
-    let mut engine = Engine::new();
-    let mut module = Module::new();
-    let obj = Rc::new(RefCell::new(Object::default()));
-    ins::setup(&mut module, Rc::clone(&obj));
-    label::setup(&mut engine, &mut module, Rc::clone(&obj));
-
-    // Registers
-    for n in 0_u8..=255 {
-        module.set_var(format!("r{n}"), n);
-    }
-
-    module.set_native_fn("reg", |n: i64| {
-        Ok(u8::try_from(n).map_err(|_| {
-            rhai::EvalAltResult::ErrorRuntime("Invalid register value".into(), rhai::Position::NONE)
-        })?)
-    });
-
-    module.set_native_fn("as_i64", |n: u8| Ok(n as i64));
-
-    let datamod = Rc::new(data::module(&mut engine, SharedObject::clone(&obj)));
-    engine.register_global_module(Rc::new(module));
-    engine.register_static_module("data", datamod);
-    engine.register_type_with_name::<object::SymbolRef>("SymbolRef");
-    loader(&mut engine)?;
-    linker::link(obj, linkout)?;
-    Ok(())
-}
diff --git a/hbasm/src/linker.rs b/hbasm/src/linker.rs
deleted file mode 100644
index 80968849..00000000
--- a/hbasm/src/linker.rs
+++ /dev/null
@@ -1,47 +0,0 @@
-//! Simple flat-bytecode linker
-
-use {
-    crate::{
-        object::{RelocKey, RelocType, Section},
-        SharedObject,
-    },
-    std::io::Write,
-};
-
-pub fn link(object: SharedObject, out: &mut impl Write) -> std::io::Result<()> {
-    let obj = &mut *object.borrow_mut();
-
-    // Walk relocation table entries
-    for (&loc, entry) in &obj.relocs {
-        let value = match &entry.key {
-            // Symbol – direct reference
-            RelocKey::Symbol(sym) => obj.symbols[*sym],
-
-            // Label – indirect label reference
-            RelocKey::Label(label) => obj.symbols[obj.labels[label]],
-        }
-        .ok_or_else(|| std::io::Error::other("Invalid symbol"))?;
-
-        let offset = match value.location {
-            // Text section is on the beginning
-            Section::Text => value.offset,
-
-            // Data section follows text section immediately
-            Section::Data => value.offset + obj.sections.text.len(),
-        };
-
-        // Insert address or calulate relative offset
-        match entry.ty {
-            RelocType::Rel32 => obj.sections.text[loc..loc + 4]
-                .copy_from_slice(&((offset as isize - loc as isize) as i32).to_le_bytes()),
-            RelocType::Rel16 => obj.sections.text[loc..loc + 2]
-                .copy_from_slice(&((offset as isize - loc as isize) as i16).to_le_bytes()),
-            RelocType::Abs64 => obj.sections.text[loc..loc + 8]
-                .copy_from_slice(&(offset as isize - loc as isize).to_le_bytes()),
-        }
-    }
-
-    // Write to output
-    out.write_all(&obj.sections.text)?;
-    out.write_all(&obj.sections.data)
-}
diff --git a/hbasm/src/main.rs b/hbasm/src/main.rs
deleted file mode 100644
index ca9a2585..00000000
--- a/hbasm/src/main.rs
+++ /dev/null
@@ -1,8 +0,0 @@
-use std::{io::stdout, path::PathBuf};
-
-fn main() -> Result<(), Box<dyn std::error::Error>> {
-    let path = PathBuf::from(std::env::args().nth(1).ok_or("Missing path")?);
-    hbasm::assembler(&mut stdout(), |engine| engine.run_file(path))?;
-    
-    Ok(())
-}
diff --git a/hbasm/src/object.rs b/hbasm/src/object.rs
deleted file mode 100644
index 073a808e..00000000
--- a/hbasm/src/object.rs
+++ /dev/null
@@ -1,94 +0,0 @@
-//! Code object
-
-use {rhai::ImmutableString, std::collections::HashMap};
-
-/// Section tabel
-#[derive(Clone, Copy, Debug, PartialEq, Eq)]
-pub enum Section {
-    Text,
-    Data,
-}
-
-/// Symbol entry (in what section, where)
-#[derive(Clone, Copy, Debug)]
-pub struct SymbolEntry {
-    pub location: Section,
-    pub offset:   usize,
-}
-
-/// Relocation table key
-#[derive(Clone, Debug)]
-pub enum RelocKey {
-    /// Direct reference
-    Symbol(usize),
-    /// Indirect reference
-    Label(ImmutableString),
-}
-
-/// Relocation type
-#[derive(Clone, Copy, Debug)]
-pub enum RelocType {
-    Rel32,
-    Rel16,
-    Abs64,
-}
-
-/// Relocation table entry
-#[derive(Clone, Debug)]
-pub struct RelocEntry {
-    pub key: RelocKey,
-    pub ty:  RelocType,
-}
-
-/// Object code
-#[derive(Clone, Debug, Default)]
-pub struct Sections {
-    pub text: Vec<u8>,
-    pub data: Vec<u8>,
-}
-
-/// Object
-#[derive(Clone, Debug, Default)]
-pub struct Object {
-    /// Vectors with sections
-    pub sections: Sections,
-    /// Symbol table
-    pub symbols:  Vec<Option<SymbolEntry>>,
-    /// Labels to symbols table
-    pub labels:   HashMap<ImmutableString, usize>,
-    /// Relocation table
-    pub relocs:   HashMap<usize, RelocEntry>,
-}
-
-#[derive(Clone, Copy, Debug)]
-#[repr(transparent)]
-pub struct SymbolRef(pub usize);
-
-impl Object {
-    /// Insert symbol at current location in specified section
-    pub fn symbol(&mut self, section: Section) -> SymbolRef {
-        let section_buf = match section {
-            Section::Text => &mut self.sections.text,
-            Section::Data => &mut self.sections.data,
-        };
-
-        self.symbols.push(Some(SymbolEntry {
-            location: section,
-            offset:   section_buf.len(),
-        }));
-
-        SymbolRef(self.symbols.len() - 1)
-    }
-
-    /// Insert to relocation table and write zeroes to code
-    pub fn relocation(&mut self, key: RelocKey, ty: RelocType) {
-        self.relocs
-            .insert(self.sections.text.len(), RelocEntry { key, ty });
-
-        self.sections.text.extend(match ty {
-            RelocType::Rel32 => &[0_u8; 4] as &[u8],
-            RelocType::Rel16 => &[0; 2],
-            RelocType::Abs64 => &[0; 8],
-        });
-    }
-}
diff --git a/hbbytecode/src/lib.rs b/hbbytecode/src/lib.rs
index 1d260c1f..bcebd5b3 100644
--- a/hbbytecode/src/lib.rs
+++ b/hbbytecode/src/lib.rs
@@ -28,16 +28,14 @@ unsafe impl BytecodeItem for u8 {}
 pub enum RoundingMode {
     NearestEven = 0,
     Truncate = 1,
-    Up       = 2,
-    Down     = 3,
+    Up = 2,
+    Down = 3,
 }
 
 impl TryFrom<u8> for RoundingMode {
     type Error = ();
 
     fn try_from(value: u8) -> Result<Self, Self::Error> {
-        (value <= 3)
-            .then(|| unsafe { core::mem::transmute(value) })
-            .ok_or(())
+        (value <= 3).then(|| unsafe { core::mem::transmute(value) }).ok_or(())
     }
 }
diff --git a/hblang/build.rs b/hblang/build.rs
index e6f5f256..5cf605ce 100644
--- a/hblang/build.rs
+++ b/hblang/build.rs
@@ -7,10 +7,7 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
 
     let mut generated = String::new();
 
-    writeln!(
-        generated,
-        "#![allow(dead_code)] #![allow(clippy::upper_case_acronyms)]"
-    )?;
+    writeln!(generated, "#![allow(dead_code)] #![allow(clippy::upper_case_acronyms)]")?;
     gen_max_size(&mut generated)?;
     gen_encodes(&mut generated)?;
     gen_structs(&mut generated)?;
@@ -22,11 +19,7 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
 }
 
 fn gen_name_list(generated: &mut String) -> Result<(), Box<dyn std::error::Error>> {
-    writeln!(
-        generated,
-        "pub const NAMES: [&str; {}] = [",
-        instructions().count()
-    )?;
+    writeln!(generated, "pub const NAMES: [&str; {}] = [", instructions().count())?;
     for [_, name, _, _] in instructions() {
         writeln!(generated, "    \"{}\",", name.to_lowercase())?;
     }
@@ -59,15 +52,9 @@ fn gen_encodes(generated: &mut String) -> Result<(), Box<dyn std::error::Error>>
         let args = comma_sep(
             iter_args(ty).map(|(i, c)| format!("{}{i}: {}", arg_to_name(c), arg_to_type(c))),
         );
-        writeln!(
-            generated,
-            "pub fn {name}({args}) -> (usize, [u8; MAX_SIZE]) {{"
-        )?;
+        writeln!(generated, "pub fn {name}({args}) -> (usize, [u8; MAX_SIZE]) {{")?;
         let arg_names = comma_sep(iter_args(ty).map(|(i, c)| format!("{}{i}", arg_to_name(c))));
-        writeln!(
-            generated,
-            "    unsafe {{ crate::encode({ty}({op}, {arg_names})) }}"
-        )?;
+        writeln!(generated, "    unsafe {{ crate::encode({ty}({op}, {arg_names})) }}")?;
         writeln!(generated, "}}")?;
     }
 
@@ -88,10 +75,7 @@ fn gen_structs(generated: &mut String) -> Result<(), Box<dyn std::error::Error>>
 }
 
 fn comma_sep(items: impl Iterator<Item = String>) -> String {
-    items
-        .map(|item| item.to_string())
-        .collect::<Vec<_>>()
-        .join(", ")
+    items.map(|item| item.to_string()).collect::<Vec<_>>().join(", ")
 }
 
 fn instructions() -> impl Iterator<Item = [&'static str; 4]> {
diff --git a/hblang/src/codegen.rs b/hblang/src/codegen.rs
index 23e3521d..b5cb9f9d 100644
--- a/hblang/src/codegen.rs
+++ b/hblang/src/codegen.rs
@@ -1,24 +1,24 @@
 use {
+    self::reg::{RET_ADDR, STACK_PTR, ZERO},
     crate::{
         ident::{self, Ident},
         instrs::{self, *},
         lexer::TokenKind,
         log,
-        parser::{self, find_symbol, idfl, Expr, ExprRef, FileId, Pos},
+        parser::{self, find_symbol, idfl, CtorField, Expr, ExprRef, FileId, Pos},
         HashMap,
     },
     std::{ops::Range, rc::Rc},
 };
 
-use self::reg::{RET_ADDR, STACK_PTR, ZERO};
-
 type Offset = u32;
 type Size = u32;
 
 mod stack {
-    use std::num::NonZeroU32;
-
-    use super::{Offset, Size};
+    use {
+        super::{Offset, Size},
+        std::num::NonZeroU32,
+    };
 
     #[derive(Debug, PartialEq, Eq)]
     pub struct Id(NonZeroU32);
@@ -51,9 +51,9 @@ mod stack {
 
     #[derive(PartialEq)]
     struct Meta {
-        size:   Size,
+        size: Size,
         offset: Offset,
-        rc:     u32,
+        rc: u32,
     }
 
     #[derive(Default)]
@@ -65,11 +65,7 @@ mod stack {
 
     impl Alloc {
         pub fn allocate(&mut self, size: Size) -> Id {
-            self.meta.push(Meta {
-                size,
-                offset: 0,
-                rc: 1,
-            });
+            self.meta.push(Meta { size, offset: 0, rc: 1 });
 
             self.height += size;
             self.max_height = self.max_height.max(self.height);
@@ -91,6 +87,15 @@ mod stack {
             self.height -= meta.size;
         }
 
+        pub fn dup_id(&mut self, id: &Id) -> Id {
+            if id.is_ref() {
+                return id.as_ref();
+            }
+
+            self.meta[id.index()].rc += 1;
+            Id(id.0)
+        }
+
         pub fn finalize_leaked(&mut self) {
             for meta in self.meta.iter_mut().filter(|m| m.rc > 0) {
                 meta.offset = self.height;
@@ -154,7 +159,7 @@ mod reg {
 
     #[derive(Default, PartialEq, Eq)]
     pub struct Alloc {
-        free:     Vec<Reg>,
+        free: Vec<Reg>,
         max_used: Reg,
     }
 
@@ -185,11 +190,12 @@ mod reg {
 }
 
 pub mod ty {
-    use std::{num::NonZeroU32, ops::Range};
-
-    use crate::{
-        lexer::TokenKind,
-        parser::{self, Expr},
+    use {
+        crate::{
+            lexer::TokenKind,
+            parser::{self, Expr},
+        },
+        std::{num::NonZeroU32, ops::Range},
     };
 
     pub type Builtin = u32;
@@ -205,8 +211,8 @@ pub mod ty {
 
     impl Tuple {
         const LEN_BITS: u32 = 5;
-        const MAX_LEN: usize = 1 << Self::LEN_BITS;
         const LEN_MASK: usize = Self::MAX_LEN - 1;
+        const MAX_LEN: usize = 1 << Self::LEN_BITS;
 
         pub fn new(pos: usize, len: usize) -> Option<Self> {
             if len >= Self::MAX_LEN {
@@ -420,9 +426,9 @@ pub mod ty {
     }
 
     pub struct Display<'a> {
-        tys:   &'a super::Types,
+        tys: &'a super::Types,
         files: &'a [parser::Ast],
-        ty:    Id,
+        ty: Id,
     }
 
     impl<'a> Display<'a> {
@@ -482,11 +488,11 @@ pub mod ty {
 
 #[derive(Clone, Copy, Debug)]
 struct Reloc {
-    offset:     Offset,
+    offset: Offset,
     sub_offset: u8,
-    width:      u8,
+    width: u8,
     #[cfg(debug_assertions)]
-    shifted:    bool,
+    shifted: bool,
 }
 
 impl Reloc {
@@ -539,37 +545,25 @@ impl Reloc {
 }
 
 struct Value {
-    ty:  ty::Id,
+    ty: ty::Id,
     loc: Loc,
 }
 
 impl Value {
     fn new(ty: impl Into<ty::Id>, loc: impl Into<Loc>) -> Self {
-        Self {
-            ty:  ty.into(),
-            loc: loc.into(),
-        }
+        Self { ty: ty.into(), loc: loc.into() }
     }
 
     fn void() -> Self {
-        Self {
-            ty:  ty::VOID.into(),
-            loc: Loc::imm(0),
-        }
+        Self { ty: ty::VOID.into(), loc: Loc::imm(0) }
     }
 
     fn imm(value: u64) -> Self {
-        Self {
-            ty:  ty::UINT.into(),
-            loc: Loc::imm(value),
-        }
+        Self { ty: ty::UINT.into(), loc: Loc::imm(value) }
     }
 
     fn ty(ty: ty::Id) -> Self {
-        Self {
-            ty:  ty::TYPE.into(),
-            loc: Loc::ct((ty.repr() as u64).to_ne_bytes()),
-        }
+        Self { ty: ty::TYPE.into(), loc: Loc::ct((ty.repr() as u64).to_ne_bytes()) }
     }
 }
 
@@ -601,36 +595,19 @@ impl<'a> From<Loc> for LocCow<'a> {
 
 #[derive(Debug, PartialEq, Eq)]
 pub enum Loc {
-    Rt {
-        derefed: bool,
-        reg:     reg::Id,
-        stack:   Option<stack::Id>,
-        offset:  Offset,
-    },
-    Ct {
-        value: [u8; 8],
-    },
+    Rt { derefed: bool, reg: reg::Id, stack: Option<stack::Id>, offset: Offset },
+    Ct { value: [u8; 8] },
 }
 
 impl Loc {
     fn stack(stack: stack::Id) -> Self {
-        Self::Rt {
-            stack:   Some(stack),
-            reg:     reg::STACK_PTR.into(),
-            derefed: true,
-            offset:  0,
-        }
+        Self::Rt { stack: Some(stack), reg: reg::STACK_PTR.into(), derefed: true, offset: 0 }
     }
 
     fn reg(reg: impl Into<reg::Id>) -> Self {
         let reg = reg.into();
         assert!(reg.get() != 0);
-        Self::Rt {
-            derefed: false,
-            reg,
-            stack: None,
-            offset: 0,
-        }
+        Self::Rt { derefed: false, reg, stack: None, offset: 0 }
     }
 
     fn imm(value: u64) -> Self {
@@ -655,12 +632,7 @@ impl Loc {
 
     fn as_ref(&self) -> Self {
         match *self {
-            Loc::Rt {
-                derefed,
-                ref reg,
-                ref stack,
-                offset,
-            } => Loc::Rt {
+            Loc::Rt { derefed, ref reg, ref stack, offset } => Loc::Rt {
                 derefed,
                 reg: reg.as_ref(),
                 stack: stack.as_ref().map(stack::Id::as_ref),
@@ -715,61 +687,53 @@ impl Default for Loc {
 }
 
 struct Loop {
-    var_count:  u32,
-    offset:     u32,
+    var_count: u32,
+    offset: u32,
     reloc_base: u32,
 }
 
 struct Variable {
-    id:    Ident,
+    id: Ident,
     value: Value,
 }
 
 #[derive(Default)]
 struct ItemCtx {
-    file:    FileId,
-    id:      ty::Kind,
-    ret:     ty::Id,
+    file: FileId,
+    id: ty::Kind,
+    ret: ty::Id,
     ret_reg: reg::Id,
 
     task_base: usize,
-    snap:      Snapshot,
+    snap: Snapshot,
 
     stack: stack::Alloc,
-    regs:  reg::Alloc,
+    regs: reg::Alloc,
 
     stack_relocs: Vec<Reloc>,
-    ret_relocs:   Vec<Reloc>,
-    loop_relocs:  Vec<Reloc>,
-    loops:        Vec<Loop>,
-    vars:         Vec<Variable>,
+    ret_relocs: Vec<Reloc>,
+    loop_relocs: Vec<Reloc>,
+    loops: Vec<Loop>,
+    vars: Vec<Variable>,
 }
 
 impl ItemCtx {
-    // pub fn dup_loc(&mut self, loc: &Loc) -> Loc {
-    //     match *loc {
-    //         Loc::Rt {
-    //             derefed,
-    //             ref reg,
-    //             ref stack,
-    //             offset,
-    //         } => Loc::Rt {
-    //             reg: reg.as_ref(),
-    //             derefed,
-    //             stack: stack.as_ref().map(|s| self.stack.dup_id(s)),
-    //             offset,
-    //         },
-    //         Loc::Ct { value } => Loc::Ct { value },
-    //     }
-    // }
+    pub fn dup_loc(&mut self, loc: &Loc) -> Loc {
+        match *loc {
+            Loc::Rt { derefed, ref reg, ref stack, offset } => Loc::Rt {
+                reg: reg.as_ref(),
+                derefed,
+                stack: stack.as_ref().map(|s| self.stack.dup_id(s)),
+                offset,
+            },
+            Loc::Ct { value } => Loc::Ct { value },
+        }
+    }
 
     fn finalize(&mut self, output: &mut Output) {
         let len = output.code.len() as Offset;
         let base = self.snap.code as Offset;
-        for reloc in output
-            .reloc_iter_mut(&self.snap)
-            .chain(&mut self.ret_relocs)
-        {
+        for reloc in output.reloc_iter_mut(&self.snap).chain(&mut self.ret_relocs) {
             #[cfg(debug_assertions)]
             {
                 if std::mem::replace(&mut reloc.shifted, true) {
@@ -807,10 +771,7 @@ impl ItemCtx {
         let mut exmpl = Output::default();
         exmpl.emit_prelude();
 
-        debug_assert_eq!(
-            exmpl.code.as_slice(),
-            &output.code[self.snap.code..][..exmpl.code.len()],
-        );
+        debug_assert_eq!(exmpl.code.as_slice(), &output.code[self.snap.code..][..exmpl.code.len()],);
 
         write_reloc(&mut output.code, allocate(3), -(pushed + stack), 8);
         write_reloc(&mut output.code, allocate(8 + 3), stack, 8);
@@ -837,41 +798,38 @@ fn write_reloc(doce: &mut [u8], offset: usize, value: i64, size: u16) {
 
 #[derive(PartialEq, Eq, Hash)]
 struct SymKey {
-    file:  u32,
+    file: u32,
     ident: u32,
 }
 
 impl SymKey {
     pub fn pointer_to(ty: ty::Id) -> Self {
-        Self {
-            file:  u32::MAX,
-            ident: ty.repr(),
-        }
+        Self { file: u32::MAX, ident: ty.repr() }
     }
 }
 
 #[derive(Clone, Copy)]
 struct Sig {
     args: ty::Tuple,
-    ret:  ty::Id,
+    ret: ty::Id,
 }
 
 #[derive(Clone, Copy)]
 struct Func {
-    file:   FileId,
-    expr:   ExprRef,
-    sig:    Option<Sig>,
+    file: FileId,
+    expr: ExprRef,
+    sig: Option<Sig>,
     offset: Offset,
 }
 
 struct Global {
     offset: Offset,
-    ty:     ty::Id,
+    ty: ty::Id,
 }
 
 struct Field {
     name: Rc<str>,
-    ty:   ty::Id,
+    ty: ty::Id,
 }
 
 struct Struct {
@@ -898,11 +856,11 @@ impl ParamAlloc {
 struct Types {
     syms: HashMap<SymKey, ty::Id>,
 
-    funcs:   Vec<Func>,
-    args:    Vec<ty::Id>,
+    funcs: Vec<Func>,
+    args: Vec<ty::Id>,
     globals: Vec<Global>,
     structs: Vec<Struct>,
-    ptrs:    Vec<Ptr>,
+    ptrs: Vec<Ptr>,
 }
 
 impl Types {
@@ -910,19 +868,14 @@ impl Types {
         ParamAlloc(2 + (9..=16).contains(&self.size_of(ret.into())) as u8..12)
     }
 
-    fn offset_of(&self, idx: ty::Struct, field: Result<&str, usize>) -> Option<(Offset, ty::Id)> {
+    fn offset_of(&self, idx: ty::Struct, field: &str) -> Option<(Offset, ty::Id)> {
         let record = &self.structs[idx as usize];
-        let until = match field {
-            Ok(str) => record.fields.iter().position(|f| f.name.as_ref() == str)?,
-            Err(i) => i,
-        };
-
+        let until = record.fields.iter().position(|f| f.name.as_ref() == field)?;
         let mut offset = 0;
         for &Field { ty, .. } in &record.fields[..until] {
             offset = Self::align_up(offset, self.align_of(ty));
             offset += self.size_of(ty);
         }
-
         Some((offset, record.fields[until].ty))
     }
 
@@ -1001,25 +954,25 @@ mod task {
 
 struct FTask {
     file: FileId,
-    id:   ty::Func,
+    id: ty::Func,
 }
 
 #[derive(Default, Clone, Copy, PartialEq, Eq, Debug)]
 pub struct Snapshot {
-    code:        usize,
+    code: usize,
     string_data: usize,
-    funcs:       usize,
-    globals:     usize,
-    strings:     usize,
+    funcs: usize,
+    globals: usize,
+    strings: usize,
 }
 
 #[derive(Default)]
 struct Output {
-    code:        Vec<u8>,
+    code: Vec<u8>,
     string_data: Vec<u8>,
-    funcs:       Vec<(ty::Func, Reloc)>,
-    globals:     Vec<(ty::Global, Reloc)>,
-    strings:     Vec<StringReloc>,
+    funcs: Vec<(ty::Func, Reloc)>,
+    globals: Vec<(ty::Global, Reloc)>,
+    strings: Vec<StringReloc>,
 }
 
 impl Output {
@@ -1040,12 +993,7 @@ impl Output {
             "{:08x}: {}: {}",
             self.code.len(),
             name,
-            instr
-                .iter()
-                .take(len)
-                .skip(1)
-                .map(|b| format!("{:02x}", b))
-                .collect::<String>()
+            instr.iter().take(len).skip(1).map(|b| format!("{:02x}", b)).collect::<String>()
         );
         self.code.extend_from_slice(&instr[..len]);
     }
@@ -1065,11 +1013,7 @@ impl Output {
             .iter_mut()
             .chain(&mut self.funcs[snap.funcs..])
             .map(|(_, rel)| rel)
-            .chain(
-                self.strings[snap.strings..]
-                    .iter_mut()
-                    .map(|rl| &mut rl.reloc),
-            )
+            .chain(self.strings[snap.strings..].iter_mut().map(|rl| &mut rl.reloc))
     }
 
     fn append(&mut self, val: &mut Self) {
@@ -1080,38 +1024,30 @@ impl Output {
         let init_code = stash.code.len();
 
         stash.code.extend(self.code.drain(snap.code..));
-        stash
-            .string_data
-            .extend(self.string_data.drain(snap.string_data..));
-        stash
-            .funcs
-            .extend(self.funcs.drain(snap.funcs..).inspect(|(_, rel)| {
-                #[cfg(debug_assertions)]
-                assert!(!rel.shifted);
-                debug_assert!(
-                    rel.offset as usize + init_code < stash.code.len(),
-                    "{} {} {}",
-                    rel.offset,
-                    init_code,
-                    stash.code.len()
-                )
-            }));
-        stash
-            .globals
-            .extend(self.globals.drain(snap.globals..).inspect(|(_, rel)| {
-                log::dbg!(
-                    "reloc: {rel:?} {init_code} {} {} {}",
-                    stash.code.len(),
-                    self.code.len(),
-                    snap.code
-                );
-                debug_assert!(rel.offset as usize + init_code < stash.code.len())
-            }));
-        stash
-            .strings
-            .extend(self.strings.drain(snap.strings..).inspect(|str| {
-                debug_assert!(str.reloc.offset as usize + init_code < stash.code.len())
-            }));
+        stash.string_data.extend(self.string_data.drain(snap.string_data..));
+        stash.funcs.extend(self.funcs.drain(snap.funcs..).inspect(|(_, rel)| {
+            #[cfg(debug_assertions)]
+            assert!(!rel.shifted);
+            debug_assert!(
+                rel.offset as usize + init_code < stash.code.len(),
+                "{} {} {}",
+                rel.offset,
+                init_code,
+                stash.code.len()
+            )
+        }));
+        stash.globals.extend(self.globals.drain(snap.globals..).inspect(|(_, rel)| {
+            log::dbg!(
+                "reloc: {rel:?} {init_code} {} {} {}",
+                stash.code.len(),
+                self.code.len(),
+                snap.code
+            );
+            debug_assert!(rel.offset as usize + init_code < stash.code.len())
+        }));
+        stash.strings.extend(self.strings.drain(snap.strings..).inspect(|str| {
+            debug_assert!(str.reloc.offset as usize + init_code < stash.code.len())
+        }));
     }
 
     fn trunc(&mut self, snap: &Snapshot) {
@@ -1130,11 +1066,11 @@ impl Output {
 
     fn snap(&mut self) -> Snapshot {
         Snapshot {
-            code:        self.code.len(),
+            code: self.code.len(),
             string_data: self.string_data.len(),
-            funcs:       self.funcs.len(),
-            globals:     self.globals.len(),
-            strings:     self.strings.len(),
+            funcs: self.funcs.len(),
+            globals: self.globals.len(),
+            strings: self.strings.len(),
         }
     }
 }
@@ -1142,45 +1078,33 @@ impl Output {
 #[derive(Default, Debug)]
 struct Ctx {
     loc: Option<Loc>,
-    ty:  Option<ty::Id>,
+    ty: Option<ty::Id>,
 }
 
 impl Ctx {
     pub fn with_loc(self, loc: Loc) -> Self {
-        Self {
-            loc: Some(loc),
-            ..self
-        }
+        Self { loc: Some(loc), ..self }
     }
 
     pub fn with_ty(self, ty: impl Into<ty::Id>) -> Self {
-        Self {
-            ty: Some(ty.into()),
-            ..self
-        }
+        Self { ty: Some(ty.into()), ..self }
     }
 
     fn into_value(self) -> Option<Value> {
-        Some(Value {
-            ty:  self.ty.unwrap(),
-            loc: self.loc?,
-        })
+        Some(Value { ty: self.ty.unwrap(), loc: self.loc? })
     }
 }
 
 impl From<Value> for Ctx {
     fn from(value: Value) -> Self {
-        Self {
-            loc: Some(value.loc),
-            ty:  Some(value.ty),
-        }
+        Self { loc: Some(value.loc), ty: Some(value.ty) }
     }
 }
 
 #[derive(Default)]
 struct Pool {
-    cis:      Vec<ItemCtx>,
-    outputs:  Vec<Output>,
+    cis: Vec<ItemCtx>,
+    outputs: Vec<Output>,
     arg_locs: Vec<Loc>,
 }
 
@@ -1250,7 +1174,7 @@ impl hbvm::mem::Memory for LoggedMem {
 const VM_STACK_SIZE: usize = 1024 * 1024 * 2;
 
 struct Comptime {
-    vm:     hbvm::Vm<LoggedMem, 0>,
+    vm: hbvm::Vm<LoggedMem, 0>,
     _stack: Box<[u8; VM_STACK_SIZE]>,
 }
 
@@ -1261,23 +1185,17 @@ impl Default for Comptime {
         let ptr = unsafe { stack.as_mut_ptr().cast::<u8>().add(VM_STACK_SIZE) as u64 };
         log::dbg!("stack_ptr: {:x}", ptr);
         vm.write_reg(STACK_PTR, ptr);
-        Self {
-            vm,
-            _stack: unsafe { stack.assume_init() },
-        }
+        Self { vm, _stack: unsafe { stack.assume_init() } }
     }
 }
 
 enum Trap {
-    MakeStruct {
-        file:        FileId,
-        struct_expr: ExprRef,
-    },
+    MakeStruct { file: FileId, struct_expr: ExprRef },
 }
 
 struct StringReloc {
-    reloc:   Reloc,
-    range:   std::ops::Range<u32>,
+    reloc: Reloc,
+    range: std::ops::Range<u32>,
     #[cfg(debug_assertions)]
     shifted: bool,
 }
@@ -1285,13 +1203,13 @@ struct StringReloc {
 #[derive(Default)]
 pub struct Codegen {
     pub files: Vec<parser::Ast>,
-    tasks:     Vec<Option<FTask>>,
+    tasks: Vec<Option<FTask>>,
 
-    tys:    Types,
-    ci:     ItemCtx,
+    tys: Types,
+    ci: ItemCtx,
     output: Output,
-    pool:   Pool,
-    ct:     Comptime,
+    pool: Pool,
+    ct: Comptime,
 }
 
 impl Codegen {
@@ -1316,10 +1234,7 @@ impl Codegen {
     fn build_struct(&mut self, fields: &[(&str, Expr)]) -> ty::Struct {
         let fields = fields
             .iter()
-            .map(|&(name, ty)| Field {
-                name: name.into(),
-                ty:   self.ty(&ty),
-            })
+            .map(|&(name, ty)| Field { name: name.into(), ty: self.ty(&ty) })
             .collect();
         self.tys.structs.push(Struct { fields });
         self.tys.structs.len() as u32 - 1
@@ -1329,28 +1244,17 @@ impl Codegen {
         use {Expr as E, TokenKind as T};
         let value = match *expr {
             E::Mod { id, .. } => Some(Value::ty(ty::Kind::Module(id).compress())),
-            E::Struct {
-                fields, captured, ..
-            } => {
+            E::Struct { fields, captured, .. } => {
                 if captured.is_empty() {
-                    Some(Value::ty(
-                        ty::Kind::Struct(self.build_struct(fields)).compress(),
-                    ))
+                    Some(Value::ty(ty::Kind::Struct(self.build_struct(fields)).compress()))
                 } else {
                     let values = captured
                         .iter()
-                        .map(|&id| E::Ident {
-                            pos: 0,
-                            id,
-                            name: "booodab",
-                            index: u16::MAX,
-                        })
+                        .map(|&id| E::Ident { pos: 0, id, name: "booodab", index: u16::MAX })
                         .map(|expr| self.expr(&expr))
                         .collect::<Option<Vec<_>>>()?;
-                    let values_size = values
-                        .iter()
-                        .map(|value| 4 + self.tys.size_of(value.ty))
-                        .sum::<Size>();
+                    let values_size =
+                        values.iter().map(|value| 4 + self.tys.size_of(value.ty)).sum::<Size>();
 
                     let stack = self.ci.stack.allocate(values_size);
                     let mut ptr = Loc::stack(stack.as_ref());
@@ -1364,38 +1268,25 @@ impl Codegen {
 
                     self.stack_offset(2, STACK_PTR, Some(&stack), 0);
                     let val = self.eca(
-                        Trap::MakeStruct {
-                            file:        self.ci.file,
-                            struct_expr: ExprRef::new(expr),
-                        },
+                        Trap::MakeStruct { file: self.ci.file, struct_expr: ExprRef::new(expr) },
                         ty::TYPE,
                     );
                     self.ci.free_loc(Loc::stack(stack));
                     Some(val)
                 }
             }
-            E::UnOp {
-                op: T::Xor, val, ..
-            } => {
+            E::UnOp { op: T::Xor, val, .. } => {
                 let val = self.ty(val);
                 Some(Value::ty(self.tys.make_ptr(val)))
             }
-            E::Directive {
-                name: "TypeOf",
-                args: [expr],
-                ..
-            } => {
+            E::Directive { name: "TypeOf", args: [expr], .. } => {
                 let snap = self.output.snap();
                 let value = self.expr(expr).unwrap();
                 self.ci.free_loc(value.loc);
                 self.output.trunc(&snap);
                 Some(Value::ty(value.ty))
             }
-            E::Directive {
-                name: "eca",
-                args: [ret_ty, args @ ..],
-                ..
-            } => {
+            E::Directive { name: "eca", args: [ret_ty, args @ ..], .. } => {
                 let ty = self.ty(ret_ty);
 
                 let mut parama = self.tys.parama(ty);
@@ -1417,27 +1308,15 @@ impl Codegen {
 
                 return Some(Value { ty, loc });
             }
-            E::Directive {
-                name: "sizeof",
-                args: [ty],
-                ..
-            } => {
+            E::Directive { name: "sizeof", args: [ty], .. } => {
                 let ty = self.ty(ty);
                 return Some(Value::imm(self.tys.size_of(ty) as _));
             }
-            E::Directive {
-                name: "alignof",
-                args: [ty],
-                ..
-            } => {
+            E::Directive { name: "alignof", args: [ty], .. } => {
                 let ty = self.ty(ty);
                 return Some(Value::imm(self.tys.align_of(ty) as _));
             }
-            E::Directive {
-                name: "intcast",
-                args: [val],
-                ..
-            } => {
+            E::Directive { name: "intcast", args: [val], .. } => {
                 let Some(ty) = ctx.ty else {
                     self.report(
                         expr.pos(),
@@ -1458,11 +1337,7 @@ impl Codegen {
 
                 Some(Value { ty, loc: val.loc })
             }
-            E::Directive {
-                name: "bitcast",
-                args: [val],
-                ..
-            } => {
+            E::Directive { name: "bitcast", args: [val], .. } => {
                 let Some(ty) = ctx.ty else {
                     self.report(
                         expr.pos(),
@@ -1496,19 +1371,14 @@ impl Codegen {
 
                 return Some(Value { ty, loc: val.loc });
             }
-            E::Directive {
-                name: "as",
-                args: [ty, val],
-                ..
-            } => {
+            E::Directive { name: "as", args: [ty, val], .. } => {
                 let ty = self.ty(ty);
                 ctx.ty = Some(ty);
                 return self.expr_ctx(val, ctx);
             }
-            E::Bool { value, .. } => Some(Value {
-                ty:  ty::BOOL.into(),
-                loc: Loc::imm(value as u64),
-            }),
+            E::Bool { value, .. } => {
+                Some(Value { ty: ty::BOOL.into(), loc: Loc::imm(value as u64) })
+            }
             E::String { pos, mut literal } => {
                 literal = literal.trim_matches('"');
 
@@ -1560,11 +1430,7 @@ impl Codegen {
                             decode_braces(self, &mut bytes);
                             continue;
                         }
-                        _ => report(
-                            self,
-                            &bytes,
-                            "unknown escape sequence, expected [nrt\\\"'{0]",
-                        ),
+                        _ => report(self, &bytes, "unknown escape sequence, expected [nrt\\\"'{0]"),
                     };
                     self.output.string_data.push(b);
                 }
@@ -1581,28 +1447,21 @@ impl Codegen {
                 self.output.emit(instrs::lra(reg.get(), 0, 0));
                 Some(Value::new(self.tys.make_ptr(ty::U8.into()), reg))
             }
-            E::Ctor {
-                pos, ty, fields, ..
-            } => {
+            E::Ctor { pos, ty, fields, .. } => {
                 let (stuct, loc) = self.prepare_struct_ctor(pos, ctx, ty, fields.len());
-                for (name, field) in fields {
-                    let Some((offset, ty)) = self.tys.offset_of(stuct, Ok(name)) else {
+                for &CtorField { pos, name, ref value, .. } in fields {
+                    let Some((offset, ty)) = self.tys.offset_of(stuct, name) else {
                         self.report(pos, format_args!("field not found: {name:?}"));
                     };
                     let loc = loc.as_ref().offset(offset);
-                    let value = self.expr_ctx(
-                        field.as_ref().expect("TODO"),
-                        Ctx::default().with_loc(loc).with_ty(ty),
-                    )?;
+                    let value = self.expr_ctx(value, Ctx::default().with_loc(loc).with_ty(ty))?;
                     self.ci.free_loc(value.loc);
                 }
 
                 let ty = ty::Kind::Struct(stuct).compress();
                 return Some(Value { ty, loc });
             }
-            E::Tupl {
-                pos, ty, fields, ..
-            } => {
+            E::Tupl { pos, ty, fields, .. } => {
                 let (stuct, loc) = self.prepare_struct_ctor(pos, ctx, ty, fields.len());
                 let mut offset = 0;
                 let sfields = self.tys.structs[stuct as usize].fields.clone();
@@ -1618,7 +1477,7 @@ impl Codegen {
                 let ty = ty::Kind::Struct(stuct).compress();
                 return Some(Value { ty, loc });
             }
-            E::Field { target, field } => {
+            E::Field { target, name: field } => {
                 let checkpoint = self.local_snap();
                 let mut tal = self.expr(target)?;
 
@@ -1629,13 +1488,10 @@ impl Codegen {
 
                 match tal.ty.expand() {
                     ty::Kind::Struct(idx) => {
-                        let Some((offset, ty)) = self.tys.offset_of(idx, Ok(field)) else {
+                        let Some((offset, ty)) = self.tys.offset_of(idx, field) else {
                             self.report(target.pos(), format_args!("field not found: {field:?}"));
                         };
-                        Some(Value {
-                            ty,
-                            loc: tal.loc.offset(offset),
-                        })
+                        Some(Value { ty, loc: tal.loc.offset(offset) })
                     }
                     ty::Kind::Builtin(ty::TYPE) => {
                         self.ci.free_loc(tal.loc);
@@ -1657,19 +1513,9 @@ impl Codegen {
                     ),
                 }
             }
-            E::UnOp {
-                op: T::Band,
-                val,
-                pos,
-            } => {
+            E::UnOp { op: T::Band, val, pos } => {
                 let mut val = self.expr(val)?;
-                let Loc::Rt {
-                    derefed: drfd @ true,
-                    reg,
-                    stack,
-                    offset,
-                } = &mut val.loc
-                else {
+                let Loc::Rt { derefed: drfd @ true, reg, stack, offset } = &mut val.loc else {
                     self.report(
                         pos,
                         format_args!(
@@ -1693,20 +1539,13 @@ impl Codegen {
                 // FIXME: we might be able to track this but it will be pain
                 std::mem::forget(stack.take());
 
-                Some(Value {
-                    ty:  self.tys.make_ptr(val.ty),
-                    loc: val.loc,
-                })
+                Some(Value { ty: self.tys.make_ptr(val.ty), loc: val.loc })
             }
-            E::UnOp {
-                op: T::Mul,
-                val,
-                pos,
-            } => {
+            E::UnOp { op: T::Mul, val, pos } => {
                 let val = self.expr(val)?;
                 match val.ty.expand() {
                     ty::Kind::Ptr(ty) => Some(Value {
-                        ty:  self.tys.ptrs[ty as usize].base,
+                        ty: self.tys.ptrs[ty as usize].base,
                         loc: Loc::reg(self.loc_to_reg(val.loc, self.tys.size_of(val.ty)))
                             .into_derefed(),
                     }),
@@ -1716,26 +1555,12 @@ impl Codegen {
                     ),
                 }
             }
-            E::BinOp {
-                left: &E::Ident { id, .. },
-                op: T::Decl,
-                right,
-            } => {
-                let val = self.expr(right)?;
-                let mut loc = self.make_loc_owned(val.loc, val.ty);
-                let sym = parser::find_symbol(&self.cfile().symbols, id);
-                if sym.flags & idfl::REFERENCED != 0 {
-                    loc = self.spill(loc, self.tys.size_of(val.ty));
-                }
-                self.ci.vars.push(Variable {
-                    id,
-                    value: Value { ty: val.ty, loc },
-                });
-                Some(Value::void())
+            E::BinOp { left, op: T::Decl, right } => {
+                let value = self.expr(right)?;
+
+                self.assign_pattern(left, value)
             }
-            E::Call {
-                func: fast, args, ..
-            } => {
+            E::Call { func: fast, args, .. } => {
                 log::dbg!("call {fast}");
                 let func_ty = self.ty(fast);
                 let ty::Kind::Func(mut func_id) = func_ty.expand() else {
@@ -1744,13 +1569,8 @@ impl Codegen {
 
                 let func = self.tys.funcs[func_id as usize];
                 let ast = self.files[func.file as usize].clone();
-                let E::BinOp {
-                    right:
-                        &E::Closure {
-                            args: cargs, ret, ..
-                        },
-                    ..
-                } = func.expr.get(&ast).unwrap()
+                let E::BinOp { right: &E::Closure { args: cargs, ret, .. }, .. } =
+                    func.expr.get(&ast).unwrap()
                 else {
                     unreachable!();
                 };
@@ -1780,33 +1600,27 @@ impl Codegen {
                             arg.loc
                         };
 
-                        self.ci.vars.push(Variable {
-                            id:    carg.id,
-                            value: Value { ty, loc },
-                        });
+                        self.ci.vars.push(Variable { id: carg.id, value: Value { ty, loc } });
                     }
 
                     let args = self.pack_args(expr.pos(), arg_base);
                     let ret = self.ty(ret);
                     self.ci.vars.truncate(scope);
 
-                    let sym = SymKey {
-                        file:  !args.repr(),
-                        ident: func_id,
-                    };
+                    let sym = SymKey { file: !args.repr(), ident: func_id };
                     let ct = || {
                         let func_id = self.tys.funcs.len();
                         self.tys.funcs.push(Func {
-                            file:   func.file,
+                            file: func.file,
                             offset: task::id(func_id),
-                            sig:    Some(Sig { args, ret }),
-                            expr:   func.expr,
+                            sig: Some(Sig { args, ret }),
+                            expr: func.expr,
                         });
 
                         self.tasks.push(Some(FTask {
                             // FIXME: this will fuck us
                             file: self.ci.file,
-                            id:   func_id as _,
+                            id: func_id as _,
                         }));
 
                         ty::Kind::Func(func_id as _).compress()
@@ -1850,37 +1664,23 @@ impl Codegen {
             }
             E::Ident { id, .. } if ident::is_null(id) => Some(Value::ty(id.into())),
             E::Ident { id, index, .. }
-                if let Some((var_index, var)) = self
-                    .ci
-                    .vars
-                    .iter_mut()
-                    .enumerate()
-                    .find(|(_, v)| v.id == id) =>
+                if let Some((var_index, var)) =
+                    self.ci.vars.iter_mut().enumerate().find(|(_, v)| v.id == id) =>
             {
                 let sym = parser::find_symbol(&self.files[self.ci.file as usize].symbols, id);
                 let loc = match idfl::index(sym.flags) == index
-                    && !self
-                        .ci
-                        .loops
-                        .last()
-                        .is_some_and(|l| l.var_count > var_index as u32)
+                    && !self.ci.loops.last().is_some_and(|l| l.var_count > var_index as u32)
                 {
                     true => std::mem::take(&mut var.value.loc),
                     false => var.value.loc.as_ref(),
                 };
 
-                Some(Value {
-                    ty: self.ci.vars[var_index].value.ty,
-                    loc,
-                })
+                Some(Value { ty: self.ci.vars[var_index].value.ty, loc })
             }
             E::Ident { id, name, .. } => match self
                 .tys
                 .syms
-                .get(&SymKey {
-                    ident: id,
-                    file:  self.ci.file,
-                })
+                .get(&SymKey { ident: id, file: self.ci.file })
                 .copied()
                 .map(ty::Kind::from_ty)
                 .unwrap_or_else(|| self.find_or_declare(ident::pos(id), self.ci.file, Ok(id), name))
@@ -1898,9 +1698,7 @@ impl Codegen {
                     };
                     self.expr_ctx(val, Ctx::default().with_ty(self.ci.ret).with_loc(loc))?;
                 }
-                self.ci
-                    .ret_relocs
-                    .push(Reloc::new(self.local_offset(), 1, 4));
+                self.ci.ret_relocs.push(Reloc::new(self.local_offset(), 1, 4));
                 self.output.emit(jmp(0));
                 None
             }
@@ -1911,12 +1709,10 @@ impl Codegen {
                 Some(Value::void())
             }
             E::Number { value, .. } => Some(Value {
-                ty:  ctx.ty.map(ty::Id::strip_pointer).unwrap_or(ty::INT.into()),
+                ty: ctx.ty.map(ty::Id::strip_pointer).unwrap_or(ty::INT.into()),
                 loc: Loc::imm(value),
             }),
-            E::If {
-                cond, then, else_, ..
-            } => {
+            E::If { cond, then, else_, .. } => {
                 log::dbg!("if-cond");
                 let cond = self.expr_ctx(cond, Ctx::default().with_ty(ty::BOOL))?;
                 let reg = self.loc_to_reg(&cond.loc, 1);
@@ -1957,8 +1753,8 @@ impl Codegen {
 
                 let loop_start = self.local_offset();
                 self.ci.loops.push(Loop {
-                    var_count:  self.ci.vars.len() as _,
-                    offset:     loop_start,
+                    var_count: self.ci.vars.len() as _,
+                    offset: loop_start,
                     reloc_base: self.ci.loop_relocs.len() as u32,
                 });
                 let body_unreachable = self.expr(body).is_none();
@@ -1991,9 +1787,7 @@ impl Codegen {
                 Some(Value::void())
             }
             E::Break { .. } => {
-                self.ci
-                    .loop_relocs
-                    .push(Reloc::shifted(self.local_offset(), 1, 4));
+                self.ci.loop_relocs.push(Reloc::shifted(self.local_offset(), 1, 4));
                 self.output.emit(jmp(0));
                 None
             }
@@ -2003,11 +1797,7 @@ impl Codegen {
                 self.output.emit(jmp(loop_.offset as i32 - offset as i32));
                 None
             }
-            E::BinOp {
-                left,
-                op: op @ (T::And | T::Or),
-                right,
-            } => {
+            E::BinOp { left, op: op @ (T::And | T::Or), right } => {
                 let lhs = self.expr_ctx(left, Ctx::default().with_ty(ty::BOOL))?;
                 let lhs = self.loc_to_reg(lhs.loc, 1);
                 let jump_offset = self.output.code.len() + 3;
@@ -2022,12 +1812,9 @@ impl Codegen {
                 let jump = self.output.code.len() as i64 - jump_offset as i64;
                 write_reloc(&mut self.output.code, jump_offset, jump, 2);
 
-                Some(Value {
-                    ty:  ty::BOOL.into(),
-                    loc: Loc::reg(lhs),
-                })
+                Some(Value { ty: ty::BOOL.into(), loc: Loc::reg(lhs) })
             }
-            E::BinOp { left, op, right } => 'ops: {
+            E::BinOp { left, op, right } if op != T::Decl => 'ops: {
                 let left = self.expr(left)?;
 
                 if op == T::Assign {
@@ -2085,9 +1872,7 @@ impl Codegen {
                             (lhs.get(), right.ty)
                         };
 
-                        let ty::Kind::Ptr(ty) = ty.expand() else {
-                            unreachable!()
-                        };
+                        let ty::Kind::Ptr(ty) = ty.expand() else { unreachable!() };
 
                         let size = self.tys.size_of(self.tys.ptrs[ty as usize].base);
                         self.output.emit(muli64(offset, offset, size as _));
@@ -2122,7 +1907,15 @@ impl Codegen {
                 unimplemented!("{:#?}", op)
             }
             E::Comment { .. } => Some(Value::void()),
-            ast => unimplemented!("{:#?}", ast),
+            ast => self.report(
+                ast.pos(),
+                format_args!(
+                    "compiler does not (yet) konw how to handle:\n\
+                    {ast:}\n\
+                    info for weak people:\n\
+                    {ast:#?}"
+                ),
+            ),
         }?;
 
         if let Some(ty) = ctx.ty {
@@ -2133,15 +1926,51 @@ impl Codegen {
             Some(dest) => {
                 let ty = ctx.ty.unwrap_or(value.ty);
                 self.store_typed(value.loc, dest, ty);
-                Value {
-                    ty,
-                    loc: Loc::imm(0),
-                }
+                Value { ty, loc: Loc::imm(0) }
             }
             None => value,
         })
     }
 
+    fn assign_pattern(&mut self, pat: &Expr, right: Value) -> Option<Value> {
+        match *pat {
+            Expr::Ident { id, .. } => {
+                let mut loc = self.make_loc_owned(right.loc, right.ty);
+                let sym = parser::find_symbol(&self.cfile().symbols, id);
+                if sym.flags & idfl::REFERENCED != 0 {
+                    loc = self.spill(loc, self.tys.size_of(right.ty));
+                }
+                self.ci.vars.push(Variable { id, value: Value { ty: right.ty, loc } });
+            }
+            Expr::Ctor { pos, fields, .. } => {
+                let ty::Kind::Struct(idx) = right.ty.expand() else {
+                    self.report(pos, "can't use struct destruct on non struct value (TODO: shold work with modules)");
+                };
+
+                for &CtorField { pos, name, ref value } in fields {
+                    let Some((offset, ty)) = self.tys.offset_of(idx, name) else {
+                        self.report(pos, format_args!("field not found: {name:?}"));
+                    };
+                    let loc = self.ci.dup_loc(&right.loc).offset(offset);
+                    self.assign_pattern(value, Value::new(ty, loc));
+                }
+
+                self.ci.free_loc(right.loc);
+            }
+            pat => self.report(
+                pat.pos(),
+                format_args!(
+                    "compiler does not (yet) konw how to handle:\n\
+                    {pat:}\n\
+                    info for weak people:\n\
+                    {pat:#?}"
+                ),
+            ),
+        };
+
+        Some(Value::void())
+    }
+
     fn prepare_struct_ctor(
         &mut self,
         pos: Pos,
@@ -2154,19 +1983,14 @@ impl Codegen {
         };
 
         let size = self.tys.size_of(ty);
-        let loc = ctx
-            .loc
-            .unwrap_or_else(|| Loc::stack(self.ci.stack.allocate(size)));
+        let loc = ctx.loc.unwrap_or_else(|| Loc::stack(self.ci.stack.allocate(size)));
         let ty::Kind::Struct(stuct) = ty.expand() else {
             self.report(pos, "expected expression to evaluate to struct")
         };
 
         let field_count = self.tys.structs[stuct as usize].fields.len();
         if field_count != field_len {
-            self.report(
-                pos,
-                format_args!("expected {field_count} fields, got {field_len}"),
-            );
+            self.report(pos, format_args!("expected {field_count} fields, got {field_len}"));
         }
 
         (stuct, loc)
@@ -2189,10 +2013,7 @@ impl Codegen {
             for &Field { ty, .. } in self.tys.structs[stuct as usize].fields.clone().iter() {
                 offset = Types::align_up(offset, self.tys.align_of(ty));
                 let size = self.tys.size_of(ty);
-                let ctx = Ctx::from(Value {
-                    ty,
-                    loc: loc.as_ref().offset(offset),
-                });
+                let ctx = Ctx::from(Value { ty, loc: loc.as_ref().offset(offset) });
                 let left = left.as_ref().offset(offset);
                 let right = right.as_ref().offset(offset);
                 let value = self.struct_op(op, ty, ctx, left, right)?;
@@ -2213,16 +2034,12 @@ impl Codegen {
         if let Loc::Ct { value } = right
             && let Some(op) = Self::imm_math_op(op, signed, size)
         {
-            self.output
-                .emit(op(lhs.get(), lhs.get(), u64::from_ne_bytes(value)));
+            self.output.emit(op(lhs.get(), lhs.get(), u64::from_ne_bytes(value)));
             return Some(if let Some(value) = ctx.into_value() {
                 self.store_typed(Loc::reg(lhs.as_ref()), value.loc, value.ty);
                 Value::void()
             } else {
-                Value {
-                    ty,
-                    loc: Loc::reg(lhs),
-                }
+                Value { ty, loc: Loc::reg(lhs) }
             });
         }
 
@@ -2235,10 +2052,7 @@ impl Codegen {
                 self.store_typed(Loc::reg(lhs), value.loc, value.ty);
                 Some(Value::void())
             } else {
-                Some(Value {
-                    ty,
-                    loc: Loc::reg(lhs),
-                })
+                Some(Value { ty, loc: Loc::reg(lhs) })
             };
         }
 
@@ -2324,10 +2138,7 @@ impl Codegen {
         log::dbg!("{}", self.output.globals.len() - self.ci.snap.globals);
         self.output.emit(instrs::lra(ptr.get(), 0, 0));
 
-        Some(Value {
-            ty:  global.ty,
-            loc: Loc::reg(ptr).into_derefed(),
-        })
+        Some(Value { ty: global.ty, loc: Loc::reg(ptr).into_derefed() })
     }
 
     fn spill(&mut self, loc: Loc, size: Size) -> Loc {
@@ -2423,10 +2234,7 @@ impl Codegen {
                 true => Loc::ty(self.tys.args[sig_args.next().unwrap()]),
                 false => self.load_arg(sym.flags, ty, &mut parama),
             };
-            self.ci.vars.push(Variable {
-                id:    arg.id,
-                value: Value { ty, loc },
-            });
+            self.ci.vars.push(Variable { id: arg.id, value: Value { ty, loc } });
         }
 
         if self.tys.size_of(self.ci.ret) > 16 {
@@ -2466,24 +2274,15 @@ impl Codegen {
             ..=8 if flags & idfl::REFERENCED == 0 => {
                 (Loc::reg(parama.next()), Loc::reg(self.ci.regs.allocate()))
             }
-            1..=8 => (
-                Loc::reg(parama.next()),
-                Loc::stack(self.ci.stack.allocate(size)),
-            ),
-            9..=16 => (
-                Loc::reg(parama.next_wide()),
-                Loc::stack(self.ci.stack.allocate(size)),
-            ),
+            1..=8 => (Loc::reg(parama.next()), Loc::stack(self.ci.stack.allocate(size))),
+            9..=16 => (Loc::reg(parama.next_wide()), Loc::stack(self.ci.stack.allocate(size))),
             _ if flags & (idfl::MUTABLE | idfl::REFERENCED) == 0 => {
                 let ptr = parama.next();
                 let reg = self.ci.regs.allocate();
                 self.output.emit(instrs::cp(reg.get(), ptr));
                 return Loc::reg(reg).into_derefed();
             }
-            _ => (
-                Loc::reg(parama.next()).into_derefed(),
-                Loc::stack(self.ci.stack.allocate(size)),
-            ),
+            _ => (Loc::reg(parama.next()).into_derefed(), Loc::stack(self.ci.stack.allocate(size))),
         };
 
         self.store_sized(src, &dst, size);
@@ -2493,10 +2292,7 @@ impl Codegen {
     fn eca(&mut self, trap: Trap, ret: impl Into<ty::Id>) -> Value {
         self.output.emit(eca());
         self.output.write_trap(trap);
-        Value {
-            ty:  ret.into(),
-            loc: Loc::reg(1),
-        }
+        Value { ty: ret.into(), loc: Loc::reg(1) }
     }
 
     fn alloc_ret(&mut self, ret: ty::Id, ctx: Ctx) -> Loc {
@@ -2506,13 +2302,8 @@ impl Codegen {
             1..=8 => Loc::reg(1),
             9..=16 => Loc::stack(self.ci.stack.allocate(size)),
             _ => {
-                let loc = ctx
-                    .loc
-                    .unwrap_or_else(|| Loc::stack(self.ci.stack.allocate(size)));
-                let Loc::Rt {
-                    reg, stack, offset, ..
-                } = &loc
-                else {
+                let loc = ctx.loc.unwrap_or_else(|| Loc::stack(self.ci.stack.allocate(size)));
+                let Loc::Rt { reg, stack, offset, .. } = &loc else {
                     todo!("old man with the beard looks at the sky scared");
                 };
                 self.stack_offset(1, reg.get(), stack.as_ref(), *offset);
@@ -2523,12 +2314,7 @@ impl Codegen {
 
     fn loc_to_reg(&mut self, loc: impl Into<LocCow>, size: Size) -> reg::Id {
         match loc.into() {
-            LocCow::Owned(Loc::Rt {
-                derefed: false,
-                mut reg,
-                offset,
-                stack,
-            }) => {
+            LocCow::Owned(Loc::Rt { derefed: false, mut reg, offset, stack }) => {
                 debug_assert!(stack.is_none(), "TODO");
                 assert_eq!(offset, 0, "TODO");
                 if reg.is_ref() {
@@ -2538,12 +2324,7 @@ impl Codegen {
                 }
                 reg
             }
-            LocCow::Ref(&Loc::Rt {
-                derefed: false,
-                ref reg,
-                offset,
-                ref stack,
-            }) => {
+            LocCow::Ref(&Loc::Rt { derefed: false, ref reg, offset, ref stack }) => {
                 debug_assert!(stack.is_none(), "TODO");
                 assert_eq!(offset, 0, "TODO");
                 reg.as_ref()
@@ -2569,12 +2350,7 @@ impl Codegen {
 
     fn pass_arg_low(&mut self, loc: &Loc, size: Size, parama: &mut ParamAlloc) {
         if size > 16 {
-            let Loc::Rt {
-                reg, stack, offset, ..
-            } = loc
-            else {
-                unreachable!()
-            };
+            let Loc::Rt { reg, stack, offset, .. } = loc else { unreachable!() };
             self.stack_offset(parama.next(), reg.get(), stack.as_ref(), *offset as _);
             return;
         }
@@ -2627,8 +2403,7 @@ impl Codegen {
                 let dst_off = self.ci.regs.allocate();
                 self.stack_offset(src_off.get(), src.get(), ssta.as_ref(), soff);
                 self.stack_offset(dst_off.get(), dst.get(), dsta.as_ref(), doff);
-                self.output
-                    .emit(bmc(src_off.get(), dst_off.get(), size as _));
+                self.output.emit(bmc(src_off.get(), dst_off.get(), size as _));
                 self.ci.regs.free(src_off);
                 self.ci.regs.free(dst_off);
             }
@@ -2666,17 +2441,13 @@ impl Codegen {
     }
 
     fn opt_stack_reloc(&mut self, stack: Option<&stack::Id>, off: Offset, sub_offset: u8) -> u64 {
-        stack
-            .map(|s| self.stack_reloc(s, off, sub_offset))
-            .unwrap_or(off as _)
+        stack.map(|s| self.stack_reloc(s, off, sub_offset)).unwrap_or(off as _)
     }
 
     fn stack_reloc(&mut self, stack: &stack::Id, off: Offset, sub_offset: u8) -> u64 {
         log::dbg!("whaaaaatahack: {:b}", stack.repr());
         let offset = self.local_offset();
-        self.ci
-            .stack_relocs
-            .push(Reloc::shifted(offset, sub_offset, 8));
+        self.ci.stack_relocs.push(Reloc::shifted(offset, sub_offset, 8));
         Reloc::pack_srel(stack, off)
     }
 
@@ -2699,8 +2470,7 @@ impl Codegen {
         for srel in self.output.strings.drain(..) {
             #[cfg(debug_assertions)]
             assert!(srel.shifted);
-            srel.reloc
-                .apply_jump(&mut self.output.code, srel.range.start);
+            srel.reloc.apply_jump(&mut self.output.code, srel.range.start);
         }
     }
 
@@ -2747,10 +2517,7 @@ impl Codegen {
             s.output.emit_prelude();
 
             if s.expr_ctx(
-                &Expr::Return {
-                    pos: 0,
-                    val: Some(expr),
-                },
+                &Expr::Return { pos: 0, val: Some(expr) },
                 Ctx::default().with_ty(ty::TYPE),
             )
             .is_some()
@@ -2787,9 +2554,7 @@ impl Codegen {
         match trap {
             Trap::MakeStruct { file, struct_expr } => {
                 let cfile = self.files[file as usize].clone();
-                let &Expr::Struct {
-                    fields, captured, ..
-                } = struct_expr.get(&cfile).unwrap()
+                let &Expr::Struct { fields, captured, .. } = struct_expr.get(&cfile).unwrap()
                 else {
                     unreachable!()
                 };
@@ -2890,16 +2655,9 @@ impl Codegen {
                 op: TokenKind::Decl,
                 right: Expr::Struct { fields, .. },
             } => ty::Kind::Struct(self.build_struct(fields)),
-            Expr::BinOp {
-                left: &Expr::Ident { .. },
-                op: TokenKind::Decl,
-                right,
-            } => {
+            Expr::BinOp { left, op: TokenKind::Decl, right } => {
                 let gid = self.tys.globals.len() as ty::Global;
-                self.tys.globals.push(Global {
-                    offset: u32::MAX,
-                    ty:     Default::default(),
-                });
+                self.tys.globals.push(Global { offset: u32::MAX, ty: Default::default() });
 
                 let ci = ItemCtx {
                     file,
@@ -2907,9 +2665,10 @@ impl Codegen {
                     ..self.pool.cis.pop().unwrap_or_default()
                 };
 
-                self.tys.globals[gid as usize] = self
-                    .ct_eval(ci, |s, _| Ok::<_, !>(s.generate_global(right)))
-                    .into_ok();
+                _ = left.find_pattern_path(ident, right, |expr| {
+                    self.tys.globals[gid as usize] =
+                        self.ct_eval(ci, |s, _| Ok::<_, !>(s.generate_global(expr))).into_ok();
+                });
 
                 ty::Kind::Global(gid)
             }
@@ -2945,10 +2704,7 @@ impl Codegen {
         let ret_loc = unsafe { self.output.code.as_mut_ptr().add(offset) };
         self.ct.vm.write_reg(1, ret_loc as u64);
 
-        Global {
-            ty:     ret.ty,
-            offset: offset as _,
-        }
+        Global { ty: ret.ty, offset: offset as _ }
     }
 
     fn dunp_imported_fns(&mut self) {
@@ -2989,10 +2745,7 @@ impl Codegen {
 
         if ret.is_ok() {
             self.link();
-            self.output.trunc(&Snapshot {
-                code: self.output.code.len(),
-                ..self.ci.snap
-            });
+            self.output.trunc(&Snapshot { code: self.output.code.len(), ..self.ci.snap });
             log::dbg!("{} {}", self.output.code.len(), self.ci.snap.code);
             let entry = &mut self.output.code[self.ci.snap.code] as *mut _ as _;
             let prev_pc = std::mem::replace(&mut self.ct.vm.pc, hbvm::mem::Address::new(entry));
@@ -3053,26 +2806,20 @@ impl Codegen {
 
     fn local_snap(&self) -> Snapshot {
         Snapshot {
-            code:        self.output.code.len() - self.ci.snap.code,
+            code: self.output.code.len() - self.ci.snap.code,
             string_data: self.output.string_data.len() - self.ci.snap.string_data,
-            funcs:       self.output.funcs.len() - self.ci.snap.funcs,
-            globals:     self.output.globals.len() - self.ci.snap.globals,
-            strings:     self.output.strings.len() - self.ci.snap.strings,
+            funcs: self.output.funcs.len() - self.ci.snap.funcs,
+            globals: self.output.globals.len() - self.ci.snap.globals,
+            strings: self.output.strings.len() - self.ci.snap.strings,
         }
     }
 
     fn pop_local_snap(&mut self, snap: Snapshot) {
         self.output.code.truncate(snap.code + self.ci.snap.code);
-        self.output
-            .string_data
-            .truncate(snap.string_data + self.ci.snap.string_data);
+        self.output.string_data.truncate(snap.string_data + self.ci.snap.string_data);
         self.output.funcs.truncate(snap.funcs + self.ci.snap.funcs);
-        self.output
-            .globals
-            .truncate(snap.globals + self.ci.snap.globals);
-        self.output
-            .strings
-            .truncate(snap.strings + self.ci.snap.strings);
+        self.output.globals.truncate(snap.globals + self.ci.snap.globals);
+        self.output.strings.truncate(snap.strings + self.ci.snap.strings);
     }
 
     fn pack_args(&mut self, pos: Pos, arg_base: usize) -> ty::Tuple {
@@ -3083,12 +2830,7 @@ impl Codegen {
         let len = needle.len();
         // FIXME: maybe later when this becomes a bottleneck we use more
         // efficient search (SIMD?, indexing?)
-        let sp = self
-            .tys
-            .args
-            .windows(needle.len())
-            .position(|val| val == needle)
-            .unwrap();
+        let sp = self.tys.args.windows(needle.len()).position(|val| val == needle).unwrap();
         self.tys.args.truncate((sp + needle.len()).max(arg_base));
         ty::Tuple::new(sp, len)
             .unwrap_or_else(|| self.report(pos, "amount of arguments not supported"))
@@ -3097,9 +2839,10 @@ impl Codegen {
 
 #[cfg(test)]
 mod tests {
-    use crate::{codegen::LoggedMem, log};
-
-    use super::parser;
+    use {
+        super::parser,
+        crate::{codegen::LoggedMem, log},
+    };
 
     const README: &str = include_str!("../README.md");
 
@@ -3151,10 +2894,7 @@ mod tests {
             )
         };
 
-        vm.write_reg(
-            super::STACK_PTR,
-            unsafe { stack.as_mut_ptr().add(stack.len()) } as u64,
-        );
+        vm.write_reg(super::STACK_PTR, unsafe { stack.as_mut_ptr().add(stack.len()) } as u64);
 
         let stat = loop {
             match vm.run() {
diff --git a/hblang/src/lexer.rs b/hblang/src/lexer.rs
index f1b3d57d..cbcf1a37 100644
--- a/hblang/src/lexer.rs
+++ b/hblang/src/lexer.rs
@@ -13,9 +13,9 @@ const fn ascii_mask(chars: &[u8]) -> u128 {
 
 #[derive(Debug, PartialEq, Eq, Clone, Copy)]
 pub struct Token {
-    pub kind:  TokenKind,
+    pub kind: TokenKind,
     pub start: u32,
-    pub end:   u32,
+    pub end: u32,
 }
 
 impl Token {
@@ -82,31 +82,31 @@ macro_rules! gen_token_kind {
 #[derive(Debug, PartialEq, Eq, Clone, Copy)]
 #[repr(u8)]
 pub enum TokenKind {
-    Not     = b'!',
-    DQuote  = b'"',
-    Pound   = b'#',
+    Not = b'!',
+    DQuote = b'"',
+    Pound = b'#',
     CtIdent = b'$',
-    Mod     = b'%',
-    Band    = b'&',
-    Quote   = b'\'',
-    LParen  = b'(',
-    RParen  = b')',
-    Mul     = b'*',
-    Add     = b'+',
-    Comma   = b',',
-    Sub     = b'-',
-    Dot     = b'.',
-    Div     = b'/',
+    Mod = b'%',
+    Band = b'&',
+    Quote = b'\'',
+    LParen = b'(',
+    RParen = b')',
+    Mul = b'*',
+    Add = b'+',
+    Comma = b',',
+    Sub = b'-',
+    Dot = b'.',
+    Div = b'/',
     // Unused = 2-6
-    Shr     = b'<' - 5,
+    Shr = b'<' - 5,
     // Unused = 8
-    Shl     = b'>' - 5,
-    Colon   = b':',
-    Semi    = b';',
-    Lt      = b'<',
-    Assign  = b'=',
-    Gt      = b'>',
-    Que     = b'?',
+    Shl = b'>' - 5,
+    Colon = b':',
+    Semi = b';',
+    Lt = b'<',
+    Assign = b'=',
+    Gt = b'>',
+    Que = b'?',
     Directive = b'@',
 
     Comment,
@@ -132,37 +132,37 @@ pub enum TokenKind {
     And,
 
     // Unused = R-Z
-    LBrack  = b'[',
-    BSlash  = b'\\',
-    RBrack  = b']',
-    Xor     = b'^',
-    Tick    = b'`',
+    LBrack = b'[',
+    BSlash = b'\\',
+    RBrack = b']',
+    Xor = b'^',
+    Tick = b'`',
     // Unused = a-z
-    LBrace  = b'{',
-    Bor     = b'|',
-    RBrace  = b'}',
-    Tilde   = b'~',
+    LBrace = b'{',
+    Bor = b'|',
+    RBrace = b'}',
+    Tilde = b'~',
 
-    Decl    = b':' + 128,
-    Eq      = b'=' + 128,
-    Ne      = b'!' + 128,
-    Le      = b'<' + 128,
-    Ge      = b'>' + 128,
+    Decl = b':' + 128,
+    Eq = b'=' + 128,
+    Ne = b'!' + 128,
+    Le = b'<' + 128,
+    Ge = b'>' + 128,
 
-    BorAss  = b'|' + 128,
-    AddAss  = b'+' + 128,
-    SubAss  = b'-' + 128,
-    MulAss  = b'*' + 128,
-    DivAss  = b'/' + 128,
-    ModAss  = b'%' + 128,
-    XorAss  = b'^' + 128,
+    BorAss = b'|' + 128,
+    AddAss = b'+' + 128,
+    SubAss = b'-' + 128,
+    MulAss = b'*' + 128,
+    DivAss = b'/' + 128,
+    ModAss = b'%' + 128,
+    XorAss = b'^' + 128,
     BandAss = b'&' + 128,
-    ShlAss  = b'0' + 128,
-    ShrAss  = b'1' + 128,
+    ShlAss = b'0' + 128,
+    ShrAss = b'1' + 128,
 }
 
 impl TokenKind {
-    pub fn assign_op(self) -> Option<Self> {
+    pub fn ass_op(self) -> Option<Self> {
         let id = (self as u8).saturating_sub(128);
         if ascii_mask(b"|+-*/%^&01") & (1u128 << id) == 0 {
             return None;
@@ -228,7 +228,7 @@ gen_token_kind! {
 }
 
 pub struct Lexer<'a> {
-    pos:   u32,
+    pos: u32,
     bytes: &'a [u8],
 }
 
@@ -238,10 +238,7 @@ impl<'a> Lexer<'a> {
     }
 
     pub fn restore(input: &'a str, pos: u32) -> Self {
-        Self {
-            pos,
-            bytes: input.as_bytes(),
-        }
+        Self { pos, bytes: input.as_bytes() }
     }
 
     pub fn slice(&self, tok: std::ops::Range<usize>) -> &'a str {
@@ -268,11 +265,7 @@ impl<'a> Lexer<'a> {
             let mut start = self.pos;
 
             let Some(c) = self.advance() else {
-                return Token {
-                    kind: T::Eof,
-                    start,
-                    end: self.pos,
-                };
+                return Token { kind: T::Eof, start, end: self.pos };
             };
 
             let advance_ident = |s: &mut Self| {
@@ -345,11 +338,7 @@ impl<'a> Lexer<'a> {
                 _ => identity(c),
             };
 
-            return Token {
-                kind,
-                start,
-                end: self.pos,
-            };
+            return Token { kind, start, end: self.pos };
         }
     }
 
@@ -416,10 +405,8 @@ impl LineMap {
         let query = std::simd::u8x16::splat(b'\n');
 
         let nl_count = start.iter().map(|&b| (b == b'\n') as usize).sum::<usize>()
-            + simd_mid
-                .iter()
-                .map(|s| s.simd_eq(query).to_bitmask().count_ones())
-                .sum::<u32>() as usize
+            + simd_mid.iter().map(|s| s.simd_eq(query).to_bitmask().count_ones()).sum::<u32>()
+                as usize
             + end.iter().map(|&b| (b == b'\n') as usize).sum::<usize>();
 
         let mut lines = Vec::with_capacity(nl_count);
@@ -457,9 +444,7 @@ impl LineMap {
 
         handle_rem(bytes.len() - end.len(), end, &mut last_nl, &mut lines);
 
-        Self {
-            lines: Box::from(lines),
-        }
+        Self { lines: Box::from(lines) }
     }
 }
 
diff --git a/hblang/src/lib.rs b/hblang/src/lib.rs
index d032e56a..53326b2f 100644
--- a/hblang/src/lib.rs
+++ b/hblang/src/lib.rs
@@ -20,15 +20,16 @@
 #![allow(internal_features)]
 #![allow(clippy::format_collect)]
 
-use std::{
-    collections::VecDeque,
-    io::{self, Read},
-    path::{Path, PathBuf},
-    sync::Mutex,
+use {
+    parser::Ast,
+    std::{
+        collections::VecDeque,
+        io::{self, Read},
+        path::{Path, PathBuf},
+        sync::Mutex,
+    },
 };
 
-use parser::Ast;
-
 #[macro_export]
 macro_rules! run_tests {
     ($runner:path: $($name:ident => $input:expr;)*) => {$(
@@ -137,9 +138,7 @@ struct TaskQueue<T> {
 
 impl<T> TaskQueue<T> {
     fn new(max_waiters: usize) -> Self {
-        Self {
-            inner: Mutex::new(TaskQueueInner::new(max_waiters)),
-        }
+        Self { inner: Mutex::new(TaskQueueInner::new(max_waiters)) }
     }
 
     pub fn push(&self, message: T) {
@@ -163,8 +162,8 @@ enum TaskSlot<T> {
 
 struct TaskQueueInner<T> {
     max_waiters: usize,
-    messages:    VecDeque<T>,
-    parked:      VecDeque<(*mut TaskSlot<T>, std::thread::Thread)>,
+    messages: VecDeque<T>,
+    parked: VecDeque<(*mut TaskSlot<T>, std::thread::Thread)>,
 }
 
 unsafe impl<T: Send> Send for TaskQueueInner<T> {}
@@ -172,11 +171,7 @@ unsafe impl<T: Send + Sync> Sync for TaskQueueInner<T> {}
 
 impl<T> TaskQueueInner<T> {
     fn new(max_waiters: usize) -> Self {
-        Self {
-            max_waiters,
-            messages: Default::default(),
-            parked: Default::default(),
-        }
+        Self { max_waiters, messages: Default::default(), parked: Default::default() }
     }
 
     fn push(&mut self, messages: impl IntoIterator<Item = T>) {
@@ -232,17 +227,9 @@ pub fn parse_from_fs(threads: usize, root: &str) -> io::Result<Vec<Ast>> {
     }
 
     enum ImportPath<'a> {
-        Root {
-            path: &'a str,
-        },
-        Rel {
-            path: &'a str,
-        },
-        Git {
-            link: &'a str,
-            path: &'a str,
-            chk:  Option<Chk<'a>>,
-        },
+        Root { path: &'a str },
+        Rel { path: &'a str },
+        Git { link: &'a str, path: &'a str, chk: Option<Chk<'a>> },
     }
 
     impl<'a> TryFrom<&'a str> for ImportPath<'a> {
@@ -258,15 +245,14 @@ pub fn parse_from_fs(threads: usize, root: &str) -> io::Result<Vec<Ast>> {
                     let (link, path) =
                         path.split_once(':').ok_or(ParseImportError::ExpectedPath)?;
                     let (link, params) = link.split_once('?').unwrap_or((link, ""));
-                    let chk = params
-                        .split('&')
-                        .filter_map(|s| s.split_once('='))
-                        .find_map(|(key, value)| match key {
+                    let chk = params.split('&').filter_map(|s| s.split_once('=')).find_map(
+                        |(key, value)| match key {
                             "branch" => Some(Chk::Branch(value)),
                             "rev" => Some(Chk::Rev(value)),
                             "tag" => Some(Chk::Tag(value)),
                             _ => None,
-                        });
+                        },
+                    );
                     Ok(Self::Git { link, path, chk })
                 }
                 _ => Err(ParseImportError::InvalidPrefix),
@@ -296,8 +282,8 @@ pub fn parse_from_fs(threads: usize, root: &str) -> io::Result<Vec<Ast>> {
             path.canonicalize().map_err(|e| CantLoadFile {
                 file_name: path,
                 directory: PathBuf::from(root),
-                from:      PathBuf::from(from),
-                source:    e,
+                from: PathBuf::from(from),
+                source: e,
             })
         }
     }
@@ -331,8 +317,8 @@ pub fn parse_from_fs(threads: usize, root: &str) -> io::Result<Vec<Ast>> {
     struct CantLoadFile {
         file_name: PathBuf,
         directory: PathBuf,
-        from:      PathBuf,
-        source:    io::Error,
+        from: PathBuf,
+        source: io::Error,
     }
 
     impl std::fmt::Display for CantLoadFile {
@@ -439,10 +425,8 @@ pub fn parse_from_fs(threads: usize, root: &str) -> io::Result<Vec<Ast>> {
         if let Some(mut command) = command {
             let output = command.output()?;
             if !output.status.success() {
-                let msg = format!(
-                    "git command failed: {}",
-                    String::from_utf8_lossy(&output.stderr)
-                );
+                let msg =
+                    format!("git command failed: {}", String::from_utf8_lossy(&output.stderr));
                 return Err(io::Error::new(io::ErrorKind::Other, msg));
             }
         }
@@ -478,10 +462,7 @@ pub fn parse_from_fs(threads: usize, root: &str) -> io::Result<Vec<Ast>> {
 
     std::thread::scope(|s| (0..threads).for_each(|_| _ = s.spawn(thread)));
 
-    ast.into_inner()
-        .unwrap()
-        .into_iter()
-        .collect::<io::Result<Vec<_>>>()
+    ast.into_inner().unwrap().into_iter().collect::<io::Result<Vec<_>>>()
 }
 
 type HashMap<K, V> = std::collections::HashMap<K, V, std::hash::BuildHasherDefault<FnvHasher>>;
@@ -530,10 +511,7 @@ pub fn run_test(
         std::env::var("PT_TEST_ROOT")
             .unwrap_or(concat!(env!("CARGO_MANIFEST_DIR"), "/tests").to_string()),
     );
-    root.push(
-        name.replace("::", "_")
-            .replace(concat!(env!("CARGO_PKG_NAME"), "_"), ""),
-    );
+    root.push(name.replace("::", "_").replace(concat!(env!("CARGO_PKG_NAME"), "_"), ""));
     root.set_extension("txt");
 
     let expected = std::fs::read_to_string(&root).unwrap_or_default();
@@ -562,11 +540,7 @@ pub fn run_test(
         .spawn()
         .unwrap();
 
-    proc.stdin
-        .as_mut()
-        .unwrap()
-        .write_all(output.as_bytes())
-        .unwrap();
+    proc.stdin.as_mut().unwrap().write_all(output.as_bytes()).unwrap();
 
     proc.wait().unwrap();
 
@@ -575,7 +549,7 @@ pub fn run_test(
 
 #[derive(Default)]
 pub struct Options {
-    pub fmt:         bool,
+    pub fmt: bool,
     pub fmt_current: bool,
 }
 
diff --git a/hblang/src/main.rs b/hblang/src/main.rs
index d4f06bfd..593035e8 100644
--- a/hblang/src/main.rs
+++ b/hblang/src/main.rs
@@ -11,7 +11,7 @@ fn main() -> std::io::Result<()> {
     hblang::run_compiler(
         args.get(1).copied().unwrap_or("main.hb"),
         hblang::Options {
-            fmt:         args.contains(&"--fmt"),
+            fmt: args.contains(&"--fmt"),
             fmt_current: args.contains(&"--fmt-current"),
         },
         &mut std::io::stdout(),
diff --git a/hblang/src/parser.rs b/hblang/src/parser.rs
index fc6a560b..a5145dfa 100644
--- a/hblang/src/parser.rs
+++ b/hblang/src/parser.rs
@@ -1,22 +1,24 @@
-use std::{
-    cell::{Cell, UnsafeCell},
-    io,
-    ops::{Deref, Not},
-    ptr::NonNull,
-    sync::atomic::AtomicUsize,
-};
-
-use crate::{
-    codegen,
-    ident::{self, Ident},
-    lexer::{Lexer, LineMap, Token, TokenKind},
-    log,
+use {
+    crate::{
+        codegen,
+        ident::{self, Ident},
+        lexer::{Lexer, LineMap, Token, TokenKind},
+        log,
+    },
+    std::{
+        cell::{Cell, UnsafeCell},
+        io,
+        ops::{Deref, Not},
+        ptr::NonNull,
+        sync::atomic::AtomicUsize,
+    },
 };
 
 pub type Pos = u32;
 pub type IdentFlags = u32;
 pub type Symbols = Vec<Symbol>;
 pub type FileId = u32;
+pub type IdentIndex = u16;
 pub type Loader<'a> = &'a (dyn Fn(&str, &str) -> io::Result<FileId> + 'a);
 
 pub mod idfl {
@@ -35,7 +37,7 @@ pub mod idfl {
         COMPTIME,
     }
 
-    pub fn index(i: IdentFlags) -> u16 {
+    pub fn index(i: IdentFlags) -> IdentIndex {
         (i & !ALL) as _
     }
 }
@@ -46,28 +48,28 @@ pub fn no_loader(_: &str, _: &str) -> io::Result<FileId> {
 
 #[derive(Debug)]
 pub struct Symbol {
-    pub name:  Ident,
+    pub name: Ident,
     pub flags: IdentFlags,
 }
 
 #[derive(Clone, Copy)]
 struct ScopeIdent {
-    ident:    Ident,
+    ident: Ident,
     declared: bool,
-    flags:    IdentFlags,
+    flags: IdentFlags,
 }
 
 pub struct Parser<'a, 'b> {
-    path:         &'b str,
-    loader:       Loader<'b>,
-    lexer:        Lexer<'b>,
-    arena:        &'b Arena<'a>,
-    token:        Token,
-    symbols:      &'b mut Symbols,
-    ns_bound:     usize,
+    path: &'b str,
+    loader: Loader<'b>,
+    lexer: Lexer<'b>,
+    arena: &'b Arena<'a>,
+    token: Token,
+    symbols: &'b mut Symbols,
+    ns_bound: usize,
     trailing_sep: bool,
-    idents:       Vec<ScopeIdent>,
-    captured:     Vec<Ident>,
+    idents: Vec<ScopeIdent>,
+    captured: Vec<Ident>,
 }
 
 impl<'a, 'b> Parser<'a, 'b> {
@@ -92,7 +94,7 @@ impl<'a, 'b> Parser<'a, 'b> {
         self.lexer = Lexer::new(input);
         self.token = self.lexer.next();
 
-        let f = self.collect_list(TokenKind::Semi, TokenKind::Eof, Self::expr);
+        let f = self.collect_list(TokenKind::Semi, TokenKind::Eof, |s| s.expr_low(true));
 
         self.pop_scope(0);
         let has_undeclared = !self.idents.is_empty();
@@ -123,12 +125,16 @@ impl<'a, 'b> Parser<'a, 'b> {
         self.arena.alloc(self.expr())
     }
 
-    fn expr(&mut self) -> Expr<'a> {
+    fn expr_low(&mut self, top_level: bool) -> Expr<'a> {
         let left = self.unit_expr();
-        self.bin_expr(left, 0)
+        self.bin_expr(left, 0, top_level)
     }
 
-    fn bin_expr(&mut self, mut fold: Expr<'a>, min_prec: u8) -> Expr<'a> {
+    fn expr(&mut self) -> Expr<'a> {
+        self.expr_low(false)
+    }
+
+    fn bin_expr(&mut self, mut fold: Expr<'a>, min_prec: u8, top_level: bool) -> Expr<'a> {
         loop {
             let Some(prec) = self.token.kind.precedence() else {
                 break;
@@ -141,7 +147,11 @@ impl<'a, 'b> Parser<'a, 'b> {
             let checkpoint = self.token.start;
             let op = self.next().kind;
 
-            let op_ass = op.assign_op().map(|op| {
+            if op == TokenKind::Decl {
+                self.declare_rec(&fold, top_level);
+            }
+
+            let op_ass = op.ass_op().map(|op| {
                 // this abomination reparses the left side, so that the desubaring adheres to the
                 // parser invariants.
                 let source = self.lexer.slice(0..checkpoint as usize);
@@ -156,23 +166,15 @@ impl<'a, 'b> Parser<'a, 'b> {
             });
 
             let right = self.unit_expr();
-            let right = self.bin_expr(right, prec);
+            let right = self.bin_expr(right, prec, false);
             let right = self.arena.alloc(right);
             let left = self.arena.alloc(fold);
 
             if let Some((op, clone)) = op_ass {
                 self.flag_idents(*left, idfl::MUTABLE);
 
-                let right = Expr::BinOp {
-                    left: self.arena.alloc(clone),
-                    op,
-                    right,
-                };
-                fold = Expr::BinOp {
-                    left,
-                    op: TokenKind::Assign,
-                    right: self.arena.alloc(right),
-                };
+                let right = Expr::BinOp { left: self.arena.alloc(clone), op, right };
+                fold = Expr::BinOp { left, op: TokenKind::Assign, right: self.arena.alloc(right) };
             } else {
                 fold = Expr::BinOp { left, right, op };
                 if op == TokenKind::Assign {
@@ -184,7 +186,42 @@ impl<'a, 'b> Parser<'a, 'b> {
         fold
     }
 
-    fn resolve_ident(&mut self, token: Token, decl: bool) -> (Ident, u16) {
+    fn declare_rec(&mut self, expr: &Expr, top_level: bool) {
+        let idx = |idx| top_level.not().then_some(idx);
+        match *expr {
+            Expr::Ident { pos, id, index, .. } => self.declare(pos, id, idx(index)),
+            Expr::Ctor { fields, .. } => {
+                for CtorField { value, .. } in fields {
+                    self.declare_rec(value, top_level)
+                }
+            }
+            _ => self.report_pos(expr.pos(), "cant declare this shit (yet)"),
+        }
+    }
+
+    fn declare(&mut self, pos: Pos, id: Ident, index_to_check: Option<IdentIndex>) {
+        if let Some(index) = index_to_check
+            && index != 0
+        {
+            self.report_pos(
+                pos,
+                format_args!(
+                    "out of order declaration not allowed: {}",
+                    self.lexer.slice(ident::range(id))
+                ),
+            );
+        }
+
+        let index = self.idents.binary_search_by_key(&id, |s| s.ident).expect("fck up");
+        if std::mem::replace(&mut self.idents[index].declared, true) {
+            self.report_pos(
+                pos,
+                format_args!("redeclaration of identifier: {}", self.lexer.slice(ident::range(id))),
+            )
+        }
+    }
+
+    fn resolve_ident(&mut self, token: Token) -> (Ident, IdentIndex) {
         let is_ct = token.kind == TokenKind::CtIdent;
         let name = self.lexer.slice(token.range());
 
@@ -198,25 +235,17 @@ impl<'a, 'b> Parser<'a, 'b> {
             .enumerate()
             .rfind(|(_, elem)| self.lexer.slice(ident::range(elem.ident)) == name)
         {
-            Some((_, elem)) if decl && elem.declared => {
-                self.report(format_args!("redeclaration of identifier: {name}"))
-            }
             Some((i, elem)) => {
                 elem.flags += 1;
                 (i, elem)
             }
             None => {
                 let id = ident::new(token.start, name.len() as _);
-                self.idents.push(ScopeIdent {
-                    ident:    id,
-                    declared: false,
-                    flags:    0,
-                });
+                self.idents.push(ScopeIdent { ident: id, declared: false, flags: 0 });
                 (self.idents.len() - 1, self.idents.last_mut().unwrap())
             }
         };
 
-        id.declared |= decl;
         id.flags |= idfl::COMPTIME * is_ct as u32;
         if id.declared && self.ns_bound > i {
             id.flags |= idfl::COMPTIME;
@@ -244,32 +273,26 @@ impl<'a, 'b> Parser<'a, 'b> {
                 let path = self.lexer.slice(str.range()).trim_matches('"');
 
                 E::Mod {
-                    pos:  token.start,
+                    pos: token.start,
                     path: self.arena.alloc_str(path),
-                    id:   match (self.loader)(path, self.path) {
+                    id: match (self.loader)(path, self.path) {
                         Ok(id) => id,
                         Err(e) => self.report(format_args!("error loading dependency: {e:#}")),
                     },
                 }
             }
             T::Directive => E::Directive {
-                pos:  token.start,
+                pos: token.start,
                 name: self.move_str(token),
                 args: {
                     self.expect_advance(T::LParen);
                     self.collect_list(T::Comma, T::RParen, Self::expr)
                 },
             },
-            T::True => E::Bool {
-                pos:   token.start,
-                value: true,
-            },
-            T::DQuote => E::String {
-                pos:     token.start,
-                literal: self.move_str(token),
-            },
+            T::True => E::Bool { pos: token.start, value: true },
+            T::DQuote => E::String { pos: token.start, literal: self.move_str(token) },
             T::Struct => E::Struct {
-                fields:   {
+                fields: {
                     self.ns_bound = self.idents.len();
                     self.expect_advance(T::LBrace);
                     self.collect_list(T::Comma, T::RBrace, |s| {
@@ -285,7 +308,7 @@ impl<'a, 'b> Parser<'a, 'b> {
                     self.captured.truncate(prev_captured + preserved);
                     self.arena.alloc_slice(&self.captured[prev_captured..])
                 },
-                pos:      {
+                pos: {
                     if self.ns_bound == 0 {
                         // we might save some memory
                         self.captured.clear();
@@ -294,25 +317,17 @@ impl<'a, 'b> Parser<'a, 'b> {
                 },
             },
             T::Ident | T::CtIdent => {
-                let (id, index) = self.resolve_ident(token, self.token.kind == T::Decl);
+                let (id, index) = self.resolve_ident(token);
                 let name = self.move_str(token);
-                E::Ident {
-                    pos: token.start,
-                    name,
-                    id,
-                    index,
-                }
+                E::Ident { pos: token.start, name, id, index }
             }
             T::If => E::If {
-                pos:   token.start,
-                cond:  self.ptr_expr(),
-                then:  self.ptr_expr(),
+                pos: token.start,
+                cond: self.ptr_expr(),
+                then: self.ptr_expr(),
                 else_: self.advance_if(T::Else).then(|| self.ptr_expr()),
             },
-            T::Loop => E::Loop {
-                pos:  token.start,
-                body: self.ptr_expr(),
-            },
+            T::Loop => E::Loop { pos: token.start, body: self.ptr_expr() },
             T::Break => E::Break { pos: token.start },
             T::Continue => E::Continue { pos: token.start },
             T::Return => E::Return {
@@ -320,22 +335,18 @@ impl<'a, 'b> Parser<'a, 'b> {
                 val: (self.token.kind != T::Semi).then(|| self.ptr_expr()),
             },
             T::Fn => E::Closure {
-                pos:  token.start,
+                pos: token.start,
                 args: {
                     self.expect_advance(T::LParen);
                     self.collect_list(T::Comma, T::RParen, |s| {
                         let name = s.advance_ident();
-                        let (id, index) = s.resolve_ident(name, true);
+                        let (id, index) = s.resolve_ident(name);
+                        s.declare(name.start, id, None);
                         s.expect_advance(T::Colon);
-                        Arg {
-                            name: s.move_str(name),
-                            id,
-                            index,
-                            ty: s.expr(),
-                        }
+                        Arg { name: s.move_str(name), id, index, ty: s.expr() }
                     })
                 },
-                ret:  {
+                ret: {
                     self.expect_advance(T::Colon);
                     self.ptr_expr()
                 },
@@ -345,7 +356,7 @@ impl<'a, 'b> Parser<'a, 'b> {
             T::Tupl => self.tupl(token.start, None),
             T::Band | T::Mul | T::Xor => E::UnOp {
                 pos: token.start,
-                op:  token.kind,
+                op: token.kind,
                 val: {
                     let expr = if token.kind == T::Xor {
                         let expr = self.expr();
@@ -360,11 +371,11 @@ impl<'a, 'b> Parser<'a, 'b> {
                 },
             },
             T::LBrace => E::Block {
-                pos:   token.start,
+                pos: token.start,
                 stmts: self.collect_list(T::Semi, T::RBrace, Self::expr),
             },
             T::Number => E::Number {
-                pos:   token.start,
+                pos: token.start,
                 value: match self.lexer.slice(token.range()).parse() {
                     Ok(value) => value,
                     Err(e) => self.report(format_args!("invalid number: {e}")),
@@ -375,10 +386,7 @@ impl<'a, 'b> Parser<'a, 'b> {
                 self.expect_advance(T::RParen);
                 expr
             }
-            T::Comment => Expr::Comment {
-                pos:     token.start,
-                literal: self.move_str(token),
-            },
+            T::Comment => Expr::Comment { pos: token.start, literal: self.move_str(token) },
             tok => self.report(format_args!("unexpected token: {tok:?}")),
         };
 
@@ -398,7 +406,7 @@ impl<'a, 'b> Parser<'a, 'b> {
                 T::Tupl => self.tupl(token.start, Some(expr)),
                 T::Dot => E::Field {
                     target: self.arena.alloc(expr),
-                    field:  {
+                    name: {
                         let token = self.expect_advance(T::Ident);
                         self.move_str(token)
                     },
@@ -432,9 +440,18 @@ impl<'a, 'b> Parser<'a, 'b> {
             pos,
             ty: ty.map(|ty| self.arena.alloc(ty)),
             fields: self.collect_list(TokenKind::Comma, TokenKind::RBrace, |s| {
-                let name = s.advance_ident();
-                let value = s.advance_if(TokenKind::Colon).then(|| s.expr());
-                (s.move_str(name), value)
+                let name_tok = s.advance_ident();
+                let name = s.move_str(name_tok);
+                CtorField {
+                    pos: name_tok.start,
+                    name,
+                    value: if s.advance_if(TokenKind::Colon) {
+                        s.expr()
+                    } else {
+                        let (id, index) = s.resolve_ident(name_tok);
+                        Expr::Ident { pos: name_tok.start, id, name, index }
+                    },
+                }
             }),
             trailing_comma: std::mem::take(&mut self.trailing_sep),
         }
@@ -444,10 +461,7 @@ impl<'a, 'b> Parser<'a, 'b> {
         if matches!(self.token.kind, TokenKind::Ident | TokenKind::CtIdent) {
             self.next()
         } else {
-            self.report(format_args!(
-                "expected identifier, found {:?}",
-                self.token.kind
-            ))
+            self.report(format_args!("expected identifier, found {:?}", self.token.kind))
         }
     }
 
@@ -462,10 +476,7 @@ impl<'a, 'b> Parser<'a, 'b> {
 
         self.idents
             .drain(undeclared_count..)
-            .map(|ident| Symbol {
-                name:  ident.ident,
-                flags: ident.flags,
-            })
+            .map(|ident| Symbol { name: ident.ident, flags: ident.flags })
             .collect_into(self.symbols);
     }
 
@@ -489,6 +500,7 @@ impl<'a, 'b> Parser<'a, 'b> {
     }
 
     fn collect<T: Copy>(&mut self, mut f: impl FnMut(&mut Self) -> Option<T>) -> &'a [T] {
+        // TODO: avoid this allocation
         let vec = std::iter::from_fn(|| f(self)).collect::<Vec<_>>();
         self.arena.alloc_slice(&vec)
     }
@@ -504,10 +516,7 @@ impl<'a, 'b> Parser<'a, 'b> {
 
     fn expect_advance(&mut self, kind: TokenKind) -> Token {
         if self.token.kind != kind {
-            self.report(format_args!(
-                "expected {:?}, found {:?}",
-                kind, self.token.kind
-            ));
+            self.report(format_args!("expected {:?}, found {:?}", kind, self.token.kind));
         }
         self.next()
     }
@@ -534,25 +543,19 @@ impl<'a, 'b> Parser<'a, 'b> {
 }
 
 fn find_ident(idents: &mut [ScopeIdent], id: Ident) -> &mut ScopeIdent {
-    idents
-        .binary_search_by_key(&id, |si| si.ident)
-        .map(|i| &mut idents[i])
-        .unwrap()
+    idents.binary_search_by_key(&id, |si| si.ident).map(|i| &mut idents[i]).unwrap()
 }
 
 pub fn find_symbol(symbols: &[Symbol], id: Ident) -> &Symbol {
-    symbols
-        .binary_search_by_key(&id, |s| s.name)
-        .map(|i| &symbols[i])
-        .unwrap()
+    symbols.binary_search_by_key(&id, |s| s.name).map(|i| &symbols[i]).unwrap()
 }
 
 #[derive(Debug, Clone, Copy, PartialEq, Eq)]
 pub struct Arg<'a> {
-    pub name:  &'a str,
-    pub id:    Ident,
-    pub index: u16,
-    pub ty:    Expr<'a>,
+    pub name: &'a str,
+    pub id: Ident,
+    pub index: IdentIndex,
+    pub ty: Expr<'a>,
 }
 
 macro_rules! generate_expr {
@@ -632,7 +635,7 @@ generate_expr! {
             pos:   Pos,
             id:    Ident,
             name:  &'a str,
-            index: u16,
+            index: IdentIndex,
         },
         Block {
             pos:   Pos,
@@ -670,7 +673,7 @@ generate_expr! {
         Ctor {
             pos:    Pos,
             ty:     Option<&'a Self>,
-            fields: &'a [(&'a str, Option<Self>)],
+            fields: &'a [CtorField<'a>],
             trailing_comma: bool,
         },
         Tupl {
@@ -681,7 +684,7 @@ generate_expr! {
         },
         Field {
             target: &'a Self,
-            field:  &'a str,
+            name:  &'a str,
         },
         Bool {
             pos:   Pos,
@@ -700,6 +703,48 @@ generate_expr! {
     }
 }
 
+impl<'a> Expr<'a> {
+    pub fn declares(&self, iden: Result<Ident, &str>) -> Option<Ident> {
+        match *self {
+            Self::Ident { id, name, .. } if iden == Ok(id) || iden == Err(name) => Some(id),
+            Self::Ctor { fields, .. } => fields.iter().find_map(|f| f.value.declares(iden)),
+            _ => None,
+        }
+    }
+
+    pub fn find_pattern_path<F: FnOnce(&Expr)>(
+        &self,
+        ident: Ident,
+        target: &Expr,
+        mut with_final: F,
+    ) -> Result<(), F> {
+        match *self {
+            Self::Ident { id, .. } if id == ident => {
+                with_final(target);
+                Ok(())
+            }
+            Self::Ctor { fields, .. } => {
+                for CtorField { name, value, .. } in fields {
+                    match value.find_pattern_path(ident, &Expr::Field { target, name }, with_final)
+                    {
+                        Ok(()) => return Ok(()),
+                        Err(e) => with_final = e,
+                    }
+                }
+                Err(with_final)
+            }
+            _ => Err(with_final),
+        }
+    }
+}
+
+#[derive(Debug, Clone, Copy, PartialEq, Eq)]
+pub struct CtorField<'a> {
+    pub pos: Pos,
+    pub name: &'a str,
+    pub value: Expr<'a>,
+}
+
 trait Poser {
     fn posi(self) -> Pos;
 }
@@ -813,42 +858,30 @@ impl<'a> std::fmt::Display for Expr<'a> {
             Self::String { literal, .. } => write!(f, "{}", literal),
             Self::Comment { literal, .. } => write!(f, "{}", literal.trim_end()),
             Self::Mod { path, .. } => write!(f, "@mod(\"{path}\")"),
-            Self::Field { target, field } => write!(f, "{}.{field}", Postfix(target)),
+            Self::Field { target, name: field } => write!(f, "{}.{field}", Postfix(target)),
             Self::Directive { name, args, .. } => {
                 write!(f, "@{name}(")?;
                 fmt_list(f, false, ")", args, std::fmt::Display::fmt)
             }
             Self::Struct { fields, .. } => {
                 write!(f, "struct {{")?;
-                fmt_list(f, true, "}", fields, |(name, val), f| {
-                    write!(f, "{name}: {val}",)
-                })
+                fmt_list(f, true, "}", fields, |(name, val), f| write!(f, "{name}: {val}",))
             }
-            Self::Ctor {
-                ty,
-                fields,
-                trailing_comma,
-                ..
-            } => {
+            Self::Ctor { ty, fields, trailing_comma, .. } => {
                 if let Some(ty) = ty {
                     write!(f, "{}", Unary(ty))?;
                 }
                 write!(f, ".{{")?;
-                let fmt_field = |(name, val): &_, f: &mut std::fmt::Formatter| {
-                    if let Some(val) = val {
-                        write!(f, "{name}: {val}")
-                    } else {
+                let fmt_field = |CtorField { name, value, .. }: &_, f: &mut std::fmt::Formatter| {
+                    if matches!(value, Expr::Ident { name: n, .. } if name == n) {
                         write!(f, "{name}")
+                    } else {
+                        write!(f, "{name}: {value}")
                     }
                 };
                 fmt_list(f, trailing_comma, "}", fields, fmt_field)
             }
-            Self::Tupl {
-                ty,
-                fields,
-                trailing_comma,
-                ..
-            } => {
+            Self::Tupl { ty, fields, trailing_comma, .. } => {
                 if let Some(ty) = ty {
                     write!(f, "{}", Unary(ty))?;
                 }
@@ -858,9 +891,7 @@ impl<'a> std::fmt::Display for Expr<'a> {
             Self::UnOp { op, val, .. } => write!(f, "{op}{}", Unary(val)),
             Self::Break { .. } => write!(f, "break"),
             Self::Continue { .. } => write!(f, "continue"),
-            Self::If {
-                cond, then, else_, ..
-            } => {
+            Self::If { cond, then, else_, .. } => {
                 write!(f, "if {cond} {}", Consecutive(then))?;
                 if let Some(else_) = else_ {
                     write!(f, " else {else_}")?;
@@ -868,24 +899,16 @@ impl<'a> std::fmt::Display for Expr<'a> {
                 Ok(())
             }
             Self::Loop { body, .. } => write!(f, "loop {body}"),
-            Self::Closure {
-                ret, body, args, ..
-            } => {
+            Self::Closure { ret, body, args, .. } => {
                 write!(f, "fn(")?;
-                fmt_list(f, false, "", args, |arg, f| {
-                    write!(f, "{}: {}", arg.name, arg.ty)
-                })?;
+                fmt_list(f, false, "", args, |arg, f| write!(f, "{}: {}", arg.name, arg.ty))?;
                 write!(f, "): {ret} {body}")?;
                 if !matches!(body, Self::Block { .. }) {
                     write!(f, ";")?;
                 }
                 Ok(())
             }
-            Self::Call {
-                func,
-                args,
-                trailing_comma,
-            } => {
+            Self::Call { func, args, trailing_comma } => {
                 write!(f, "{}(", Postfix(func))?;
                 fmt_list(f, trailing_comma, ")", args, std::fmt::Display::fmt)
             }
@@ -936,11 +959,11 @@ impl<'a> std::fmt::Display for Expr<'a> {
 #[repr(C)]
 pub struct AstInner<T: ?Sized> {
     ref_count: AtomicUsize,
-    mem:       ArenaChunk,
-    exprs:     *const [Expr<'static>],
+    mem: ArenaChunk,
+    exprs: *const [Expr<'static>],
 
-    pub path:    Box<str>,
-    pub nlines:  LineMap,
+    pub path: Box<str>,
+    pub nlines: LineMap,
     pub symbols: T,
 }
 
@@ -966,17 +989,14 @@ impl AstInner<[Symbol]> {
             let ptr = std::alloc::alloc(layout);
             let inner: *mut Self = std::ptr::from_raw_parts_mut(ptr as *mut _, syms.len());
 
-            std::ptr::write(
-                inner as *mut AstInner<()>,
-                AstInner {
-                    ref_count: AtomicUsize::new(1),
-                    mem: arena.chunk.into_inner(),
-                    exprs,
-                    path: path.into(),
-                    nlines: LineMap::new(content),
-                    symbols: (),
-                },
-            );
+            std::ptr::write(inner as *mut AstInner<()>, AstInner {
+                ref_count: AtomicUsize::new(1),
+                mem: arena.chunk.into_inner(),
+                exprs,
+                path: path.into(),
+                nlines: LineMap::new(content),
+                symbols: (),
+            });
             std::ptr::addr_of_mut!((*inner).symbols)
                 .as_mut_ptr()
                 .copy_from_nonoverlapping(syms.as_ptr(), syms.len());
@@ -1004,11 +1024,7 @@ impl Ast {
 
     pub fn find_decl(&self, id: Result<Ident, &str>) -> Option<(&Expr, Ident)> {
         self.exprs().iter().find_map(|expr| match expr {
-            Expr::BinOp {
-                left: &Expr::Ident { id: iden, name, .. },
-                op: TokenKind::Decl,
-                ..
-            } if Ok(iden) == id || Err(name) == id => Some((expr, iden)),
+            Expr::BinOp { left, op: TokenKind::Decl, .. } => left.declares(id).map(|id| (expr, id)),
             _ => None,
         })
     }
@@ -1052,9 +1068,7 @@ unsafe impl Sync for Ast {}
 
 impl Clone for Ast {
     fn clone(&self) -> Self {
-        unsafe { self.0.as_ref() }
-            .ref_count
-            .fetch_add(1, std::sync::atomic::Ordering::Relaxed);
+        unsafe { self.0.as_ref() }.ref_count.fetch_add(1, std::sync::atomic::Ordering::Relaxed);
         Self(self.0)
     }
 }
@@ -1062,11 +1076,7 @@ impl Clone for Ast {
 impl Drop for Ast {
     fn drop(&mut self) {
         let inner = unsafe { self.0.as_ref() };
-        if inner
-            .ref_count
-            .fetch_sub(1, std::sync::atomic::Ordering::Relaxed)
-            == 1
-        {
+        if inner.ref_count.fetch_sub(1, std::sync::atomic::Ordering::Relaxed) == 1 {
             unsafe { std::ptr::drop_in_place(self.0.as_ptr()) };
 
             let layout = AstInner::layout(inner.symbols.len());
@@ -1088,7 +1098,7 @@ impl Deref for Ast {
 #[derive(Default)]
 pub struct Arena<'a> {
     chunk: UnsafeCell<ArenaChunk>,
-    ph:    std::marker::PhantomData<&'a ()>,
+    ph: std::marker::PhantomData<&'a ()>,
 }
 
 impl<'a> Arena<'a> {
@@ -1103,8 +1113,7 @@ impl<'a> Arena<'a> {
         let layout = unsafe { std::alloc::Layout::from_size_align_unchecked(size, align) };
         let ptr = self.alloc_low(layout);
         unsafe {
-            ptr.cast::<u64>()
-                .copy_from_nonoverlapping(NonNull::from(&expr).cast(), size / 8)
+            ptr.cast::<u64>().copy_from_nonoverlapping(NonNull::from(&expr).cast(), size / 8)
         };
         unsafe { ptr.cast::<Expr<'a>>().as_ref() }
     }
@@ -1116,11 +1125,7 @@ impl<'a> Arena<'a> {
 
         let layout = std::alloc::Layout::array::<T>(slice.len()).unwrap();
         let ptr = self.alloc_low(layout);
-        unsafe {
-            ptr.as_ptr()
-                .cast::<T>()
-                .copy_from_nonoverlapping(slice.as_ptr(), slice.len())
-        };
+        unsafe { ptr.as_ptr().cast::<T>().copy_from_nonoverlapping(slice.as_ptr(), slice.len()) };
         unsafe { std::slice::from_raw_parts(ptr.as_ptr() as _, slice.len()) }
     }
 
@@ -1144,24 +1149,21 @@ impl<'a> Arena<'a> {
 
 struct ArenaChunk {
     base: *mut u8,
-    end:  *mut u8,
+    end: *mut u8,
 }
 
 impl Default for ArenaChunk {
     fn default() -> Self {
-        Self {
-            base: std::ptr::null_mut(),
-            end:  std::ptr::null_mut(),
-        }
+        Self { base: std::ptr::null_mut(), end: std::ptr::null_mut() }
     }
 }
 
 impl ArenaChunk {
-    const CHUNK_SIZE: usize = 1 << 16;
     const ALIGN: usize = std::mem::align_of::<Self>();
-    const NEXT_OFFSET: usize = Self::CHUNK_SIZE - std::mem::size_of::<*mut u8>();
+    const CHUNK_SIZE: usize = 1 << 16;
     const LAYOUT: std::alloc::Layout =
         unsafe { std::alloc::Layout::from_size_align_unchecked(Self::CHUNK_SIZE, Self::ALIGN) };
+    const NEXT_OFFSET: usize = Self::CHUNK_SIZE - std::mem::size_of::<*mut u8>();
 
     fn new(next: *mut u8) -> Self {
         let base = unsafe { std::alloc::alloc(Self::LAYOUT) };
diff --git a/hblang/text-prj/main.hb b/hblang/text-prj/main.hb
index f36f2fe8..4c7bc19c 100644
--- a/hblang/text-prj/main.hb
+++ b/hblang/text-prj/main.hb
@@ -1,5 +1,5 @@
-pkg := @use("pkg.hb");
+.{ global, fib } := @use("pkg.hb");
 
 main := fn(a: int): int {
-	return pkg.fib(pkg.global);
+	return fib(global);
 }
diff --git a/hbvm/src/bmc.rs b/hbvm/src/bmc.rs
index 4a7919b9..e87421e0 100644
--- a/hbvm/src/bmc.rs
+++ b/hbvm/src/bmc.rs
@@ -16,25 +16,20 @@ struct AlignedBuf([MaybeUninit<u8>; BUF_SIZE]);
 /// State for block memory copy
 pub struct BlockCopier {
     /// Source address
-    src:       Address,
+    src: Address,
     /// Destination address
-    dst:       Address,
+    dst: Address,
     /// How many buffer sizes to copy?
     n_buffers: usize,
     /// …and what remainds after?
-    rem:       usize,
+    rem: usize,
 }
 
 impl BlockCopier {
     /// Construct a new one
     #[inline]
     pub fn new(src: Address, dst: Address, count: usize) -> Self {
-        Self {
-            src,
-            dst,
-            n_buffers: count / BUF_SIZE,
-            rem: count % BUF_SIZE,
-        }
+        Self { src, dst, n_buffers: count / BUF_SIZE, rem: count % BUF_SIZE }
     }
 
     /// Copy one block
@@ -47,15 +42,9 @@ impl BlockCopier {
 
         // We have at least one buffer size to copy
         if self.n_buffers != 0 {
-            if let Err(e) = unsafe {
-                act(
-                    memory,
-                    self.src,
-                    self.dst,
-                    buf.0.as_mut_ptr().cast(),
-                    BUF_SIZE,
-                )
-            } {
+            if let Err(e) =
+                unsafe { act(memory, self.src, self.dst, buf.0.as_mut_ptr().cast(), BUF_SIZE) }
+            {
                 return Poll::Ready(Err(e));
             }
 
@@ -75,15 +64,9 @@ impl BlockCopier {
         }
 
         if self.rem != 0 {
-            if let Err(e) = unsafe {
-                act(
-                    memory,
-                    self.src,
-                    self.dst,
-                    buf.0.as_mut_ptr().cast(),
-                    self.rem,
-                )
-            } {
+            if let Err(e) =
+                unsafe { act(memory, self.src, self.dst, buf.0.as_mut_ptr().cast(), self.rem) }
+            {
                 return Poll::Ready(Err(e));
             }
         }
@@ -103,20 +86,16 @@ unsafe fn act(
 ) -> Result<(), BlkCopyError> {
     unsafe {
         // Load to buffer
-        memory
-            .load(src, buf, count)
-            .map_err(|super::mem::LoadError(addr)| BlkCopyError {
-                access_reason: MemoryAccessReason::Load,
-                addr,
-            })?;
+        memory.load(src, buf, count).map_err(|super::mem::LoadError(addr)| BlkCopyError {
+            access_reason: MemoryAccessReason::Load,
+            addr,
+        })?;
 
         // Store from buffer
-        memory
-            .store(dst, buf, count)
-            .map_err(|super::mem::StoreError(addr)| BlkCopyError {
-                access_reason: MemoryAccessReason::Store,
-                addr,
-            })?;
+        memory.store(dst, buf, count).map_err(|super::mem::StoreError(addr)| BlkCopyError {
+            access_reason: MemoryAccessReason::Store,
+            addr,
+        })?;
     }
 
     Ok(())
diff --git a/hbvm/src/float/mod.rs b/hbvm/src/float/mod.rs
index 5206f702..9b876a80 100644
--- a/hbvm/src/float/mod.rs
+++ b/hbvm/src/float/mod.rs
@@ -12,7 +12,7 @@ macro_rules! arch_specific {
             #[cfg($($cfg)*)]
             pub const FL_ARCH_SPECIFIC_SUPPORTED: bool = true;
         )*
-        
+
         #[cfg(not(any($($($cfg)*),*)))]
         mod unsupported;
 
diff --git a/hbvm/src/lib.rs b/hbvm/src/lib.rs
index 565fc728..0527c737 100644
--- a/hbvm/src/lib.rs
+++ b/hbvm/src/lib.rs
@@ -26,7 +26,6 @@ mod utils;
 mod vmrun;
 
 pub use float::FL_ARCH_SPECIFIC_SUPPORTED;
-
 use {
     bmc::BlockCopier,
     mem::{Address, Memory},
@@ -58,10 +57,10 @@ impl<Mem: Default, const TIMER_QUOTIENT: usize> Default for Vm<Mem, TIMER_QUOTIE
     fn default() -> Self {
         Self {
             registers: [Value::from(0_u64); 256],
-            memory:    Mem::default(),
-            pc:        Address::default(),
-            timer:     0,
-            copier:    None,
+            memory: Mem::default(),
+            pc: Address::default(),
+            timer: 0,
+            copier: None,
         }
     }
 }
@@ -75,13 +74,7 @@ where
     /// # Safety
     /// Program code has to be validated
     pub unsafe fn new(memory: Mem, entry: Address) -> Self {
-        Self {
-            registers: [Value::from(0_u64); 256],
-            memory,
-            pc: entry,
-            timer: 0,
-            copier: None,
-        }
+        Self { registers: [Value::from(0_u64); 256], memory, pc: entry, timer: 0, copier: None }
     }
 
     /// Read register
diff --git a/hbvm/src/mem/mod.rs b/hbvm/src/mem/mod.rs
index c90096a9..0767614a 100644
--- a/hbvm/src/mem/mod.rs
+++ b/hbvm/src/mem/mod.rs
@@ -4,9 +4,8 @@ pub mod softpaging;
 
 pub(crate) mod addr;
 
-pub use addr::Address;
-
 use crate::utils::impl_display;
+pub use addr::Address;
 
 /// Load-store memory access
 pub trait Memory {
diff --git a/hbvm/src/mem/softpaging/icache.rs b/hbvm/src/mem/softpaging/icache.rs
index 84f4c337..5928cc6b 100644
--- a/hbvm/src/mem/softpaging/icache.rs
+++ b/hbvm/src/mem/softpaging/icache.rs
@@ -1,9 +1,8 @@
 //! Program instruction cache
 
-use crate::mem::Address;
-
 use {
     super::{lookup::AddrPageLookuper, paging::PageTable, PageSize},
+    crate::mem::Address,
     core::{
         mem::{size_of, MaybeUninit},
         ptr::{copy_nonoverlapping, NonNull},
@@ -46,9 +45,8 @@ impl ICache {
     ) -> Option<T> {
         let mut ret = MaybeUninit::<T>::uninit();
 
-        let pbase = self
-            .data
-            .or_else(|| unsafe { self.fetch_page(self.base + self.size, root_pt) })?;
+        let pbase =
+            self.data.or_else(|| unsafe { self.fetch_page(self.base + self.size, root_pt) })?;
 
         // Get address base
         let base = addr.map(|x| x & self.mask);
@@ -62,9 +60,7 @@ impl ICache {
         let requ_size = size_of::<T>();
 
         // Page overflow
-        let rem = (offset as usize)
-            .saturating_add(requ_size)
-            .saturating_sub(self.size as _);
+        let rem = (offset as usize).saturating_add(requ_size).saturating_sub(self.size as _);
         let first_copy = requ_size.saturating_sub(rem);
 
         // Copy non-overflowing part
diff --git a/hbvm/src/mem/softpaging/lookup.rs b/hbvm/src/mem/softpaging/lookup.rs
index 04b17d2d..3c4668f4 100644
--- a/hbvm/src/mem/softpaging/lookup.rs
+++ b/hbvm/src/mem/softpaging/lookup.rs
@@ -1,11 +1,12 @@
 //! Address lookup
 
-use crate::mem::addr::Address;
-
-use super::{
-    addr_extract_index,
-    paging::{PageTable, Permission},
-    PageSize,
+use {
+    super::{
+        addr_extract_index,
+        paging::{PageTable, Permission},
+        PageSize,
+    },
+    crate::mem::addr::Address,
 };
 
 /// Good result from address split
@@ -48,11 +49,7 @@ impl AddrPageLookuper {
     /// Create a new page lookuper
     #[inline]
     pub const fn new(addr: Address, size: usize, pagetable: *const PageTable) -> Self {
-        Self {
-            addr,
-            size,
-            pagetable,
-        }
+        Self { addr, size, pagetable }
     }
 
     /// Bump address by size X
@@ -78,9 +75,8 @@ impl Iterator for AddrPageLookuper {
             for lvl in (0..5).rev() {
                 // Get an entry
                 unsafe {
-                    let entry = (*current_pt)
-                        .table
-                        .get_unchecked(addr_extract_index(self.addr, lvl));
+                    let entry =
+                        (*current_pt).table.get_unchecked(addr_extract_index(self.addr, lvl));
 
                     let ptr = entry.ptr();
                     match entry.permission() {
diff --git a/hbvm/src/mem/softpaging/mapping.rs b/hbvm/src/mem/softpaging/mapping.rs
index 3f131f4e..0bf9a38d 100644
--- a/hbvm/src/mem/softpaging/mapping.rs
+++ b/hbvm/src/mem/softpaging/mapping.rs
@@ -1,13 +1,12 @@
 //! Automatic memory mapping
 
-use crate::{mem::addr::Address, utils::impl_display};
-
 use {
     super::{
         addr_extract_index,
         paging::{PageTable, Permission, PtEntry, PtPointedData},
         PageSize, SoftPagedMem,
     },
+    crate::{mem::addr::Address, utils::impl_display},
     alloc::boxed::Box,
 };
 
@@ -36,11 +35,8 @@ impl<'p, A, const OUT_PROG_EXEC: bool> SoftPagedMem<'p, A, OUT_PROG_EXEC> {
 
         // Walk pagetable levels
         for lvl in (lookup_depth + 1..5).rev() {
-            let entry = unsafe {
-                (*current_pt)
-                    .table
-                    .get_unchecked_mut(addr_extract_index(target, lvl))
-            };
+            let entry =
+                unsafe { (*current_pt).table.get_unchecked_mut(addr_extract_index(target, lvl)) };
 
             let ptr = entry.ptr();
             match entry.permission() {
@@ -50,9 +46,7 @@ impl<'p, A, const OUT_PROG_EXEC: bool> SoftPagedMem<'p, A, OUT_PROG_EXEC> {
                     // Increase children count
                     unsafe { *current_pt }.childen += 1;
 
-                    let table = Box::into_raw(Box::new(PtPointedData {
-                        pt: PageTable::default(),
-                    }));
+                    let table = Box::into_raw(Box::new(PtPointedData { pt: PageTable::default() }));
 
                     unsafe { core::ptr::write(entry, PtEntry::new(table, Permission::Node)) };
                     current_pt = table as _;
@@ -66,9 +60,7 @@ impl<'p, A, const OUT_PROG_EXEC: bool> SoftPagedMem<'p, A, OUT_PROG_EXEC> {
         }
 
         let node = unsafe {
-            (*current_pt)
-                .table
-                .get_unchecked_mut(addr_extract_index(target, lookup_depth))
+            (*current_pt).table.get_unchecked_mut(addr_extract_index(target, lookup_depth))
         };
 
         // Check if node is not mapped
@@ -95,11 +87,8 @@ impl<'p, A, const OUT_PROG_EXEC: bool> SoftPagedMem<'p, A, OUT_PROG_EXEC> {
 
         // Walk page table in reverse
         for lvl in (0..5).rev() {
-            let entry = unsafe {
-                (*current_pt)
-                    .table
-                    .get_unchecked_mut(addr_extract_index(addr, lvl))
-            };
+            let entry =
+                unsafe { (*current_pt).table.get_unchecked_mut(addr_extract_index(addr, lvl)) };
 
             let ptr = entry.ptr();
             match entry.permission() {
diff --git a/hbvm/src/mem/softpaging/mod.rs b/hbvm/src/mem/softpaging/mod.rs
index 6696ead1..22761ac2 100644
--- a/hbvm/src/mem/softpaging/mod.rs
+++ b/hbvm/src/mem/softpaging/mod.rs
@@ -23,13 +23,13 @@ use {
 #[derive(Clone, Debug)]
 pub struct SoftPagedMem<'p, PfH, const OUT_PROG_EXEC: bool = true> {
     /// Root page table
-    pub root_pt:    *mut PageTable,
+    pub root_pt: *mut PageTable,
     /// Page fault handler
     pub pf_handler: PfH,
     /// Program memory segment
-    pub program:    &'p [u8],
+    pub program: &'p [u8],
     /// Program instruction cache
-    pub icache:     ICache,
+    pub icache: ICache,
 }
 
 impl<'p, PfH: HandlePageFault, const OUT_PROG_EXEC: bool> Memory
@@ -127,10 +127,7 @@ impl<'p, PfH: HandlePageFault, const OUT_PROG_EXEC: bool> SoftPagedMem<'p, PfH,
             );
 
             // Return shifted from what we've already copied
-            (
-                src.saturating_add(to_copy as u64),
-                len.saturating_sub(to_copy),
-            )
+            (src.saturating_add(to_copy as u64), len.saturating_sub(to_copy))
         } else {
             (src, len) // Nothing weird!
         };
@@ -145,12 +142,7 @@ impl<'p, PfH: HandlePageFault, const OUT_PROG_EXEC: bool> SoftPagedMem<'p, PfH,
         loop {
             match pspl.next() {
                 // Page is found
-                Some(Ok(AddrPageLookupOk {
-                    vaddr,
-                    ptr,
-                    size,
-                    perm,
-                })) => {
+                Some(Ok(AddrPageLookupOk { vaddr, ptr, size, perm })) => {
                     if !permission_check(perm) {
                         return Err(vaddr);
                     }
@@ -243,10 +235,7 @@ pub mod perm_check {
     /// Page is readable
     #[inline(always)]
     pub const fn readable(perm: Permission) -> bool {
-        matches!(
-            perm,
-            Permission::Readonly | Permission::Write | Permission::Exec
-        )
+        matches!(perm, Permission::Readonly | Permission::Write | Permission::Exec)
     }
 
     /// Page is writable
diff --git a/hbvm/src/mem/softpaging/paging.rs b/hbvm/src/mem/softpaging/paging.rs
index c1ab8426..38deed6b 100644
--- a/hbvm/src/mem/softpaging/paging.rs
+++ b/hbvm/src/mem/softpaging/paging.rs
@@ -62,16 +62,13 @@ pub struct PageTable {
     /// How much entries are in use
     pub childen: u8,
     /// Entries
-    pub table:   [PtEntry; 256],
+    pub table: [PtEntry; 256],
 }
 
 impl Default for PageTable {
     fn default() -> Self {
         // SAFETY: It's fine, zeroed page table entry is valid (= empty)
-        Self {
-            childen: 0,
-            table:   unsafe { MaybeUninit::zeroed().assume_init() },
-        }
+        Self { childen: 0, table: unsafe { MaybeUninit::zeroed().assume_init() } }
     }
 }
 
@@ -80,7 +77,7 @@ impl Default for PageTable {
 #[repr(C, align(4096))]
 pub union PtPointedData {
     /// Node - next page table
-    pub pt:   PageTable,
+    pub pt: PageTable,
     /// Leaf
     pub page: u8,
 }
diff --git a/hbvm/src/vmrun.rs b/hbvm/src/vmrun.rs
index fc7645ef..603dac31 100644
--- a/hbvm/src/vmrun.rs
+++ b/hbvm/src/vmrun.rs
@@ -173,9 +173,7 @@ where
                     LI64 => handler!(self, |OpsRD(tg, imm)| self.write_reg(tg, imm)),
                     LRA => handler!(self, |OpsRRO(tg, reg, off)| self.write_reg(
                         tg,
-                        self.pcrel(off)
-                            .wrapping_add(self.read_reg(reg).cast::<i64>())
-                            .get(),
+                        self.pcrel(off).wrapping_add(self.read_reg(reg).cast::<i64>()).get(),
                     )),
                     // Load. If loading more than register size, continue on adjecent registers
                     LD => handler!(self, |OpsRRAH(dst, base, off, count)| self
@@ -251,9 +249,7 @@ where
                         let OpsRRO(save, reg, offset) = self.decode();
 
                         self.write_reg(save, self.pc.next::<OpsRRO>());
-                        self.pc = self
-                            .pcrel(offset)
-                            .wrapping_add(self.read_reg(reg).cast::<i64>());
+                        self.pc = self.pcrel(offset).wrapping_add(self.read_reg(reg).cast::<i64>());
                     }
                     JALA => {
                         // Jump and link. Save PC after this instruction to
@@ -375,10 +371,7 @@ where
     /// Bump instruction pointer
     #[inline(always)]
     fn bump_pc<T: Copy>(&mut self) {
-        self.pc = self
-            .pc
-            .wrapping_add(core::mem::size_of::<T>())
-            .wrapping_add(1);
+        self.pc = self.pc.wrapping_add(core::mem::size_of::<T>()).wrapping_add(1);
     }
 
     /// Decode instruction operands
@@ -404,10 +397,7 @@ where
         unsafe {
             self.memory.load(
                 self.ldst_addr_uber(dst, base, offset, count, n)?,
-                self.registers
-                    .as_mut_ptr()
-                    .add(usize::from(dst) + usize::from(n))
-                    .cast(),
+                self.registers.as_mut_ptr().add(usize::from(dst) + usize::from(n)).cast(),
                 usize::from(count).saturating_sub(n.into()),
             )
         }?;
@@ -444,10 +434,7 @@ where
     #[inline(always)]
     unsafe fn binary_op<T: ValueVariant>(&mut self, op: impl Fn(T, T) -> T) {
         let OpsRRR(tg, a0, a1) = unsafe { self.decode() };
-        self.write_reg(
-            tg,
-            op(self.read_reg(a0).cast::<T>(), self.read_reg(a1).cast::<T>()),
-        );
+        self.write_reg(tg, op(self.read_reg(a0).cast::<T>(), self.read_reg(a1).cast::<T>()));
         self.bump_pc::<OpsRRR>();
     }
 
@@ -467,13 +454,7 @@ where
     #[inline(always)]
     unsafe fn binary_op_shift<T: ValueVariant>(&mut self, op: impl Fn(T, u32) -> T) {
         let OpsRRR(tg, a0, a1) = unsafe { self.decode() };
-        self.write_reg(
-            tg,
-            op(
-                self.read_reg(a0).cast::<T>(),
-                self.read_reg(a1).cast::<u32>(),
-            ),
-        );
+        self.write_reg(tg, op(self.read_reg(a0).cast::<T>(), self.read_reg(a1).cast::<u32>()));
         self.bump_pc::<OpsRRR>();
     }
 
@@ -540,12 +521,7 @@ where
     #[inline(always)]
     unsafe fn cond_jmp<T: ValueVariant + Ord>(&mut self, expected: Ordering) {
         let OpsRRP(a0, a1, ja) = unsafe { self.decode() };
-        if self
-            .read_reg(a0)
-            .cast::<T>()
-            .cmp(&self.read_reg(a1).cast::<T>())
-            == expected
-        {
+        if self.read_reg(a0).cast::<T>().cmp(&self.read_reg(a1).cast::<T>()) == expected {
             self.pc = self.pcrel(ja);
         } else {
             self.bump_pc::<OpsRRP>();
diff --git a/hbxrt/src/main.rs b/hbxrt/src/main.rs
index 2c0dde06..bde59aff 100644
--- a/hbxrt/src/main.rs
+++ b/hbxrt/src/main.rs
@@ -53,20 +53,16 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
     eprintln!("[I] Image loaded at {:p}", mmap.as_ptr());
 
     let mut vm = unsafe {
-        Vm::<_, 0>::new(
-            hbvm::mem::HostMemory,
-            Address::new(mmap.as_ptr().add(stack.len()) as u64),
-        )
+        Vm::<_, 0>::new(hbvm::mem::HostMemory, Address::new(mmap.as_ptr().add(stack.len()) as u64))
     };
     vm.write_reg(254, stack.as_mut_ptr() as u64);
 
     // Execute program
     let stat = loop {
         match vm.run() {
-            Ok(VmRunOk::Breakpoint) => eprintln!(
-                "[I] Hit breakpoint\nIP: {}\n== Registers ==\n{:?}",
-                vm.pc, vm.registers
-            ),
+            Ok(VmRunOk::Breakpoint) => {
+                eprintln!("[I] Hit breakpoint\nIP: {}\n== Registers ==\n{:?}", vm.pc, vm.registers)
+            }
             Ok(VmRunOk::Timer) => (),
             Ok(VmRunOk::Ecall) if dsls => unsafe {
                 std::arch::asm!(
diff --git a/rustfmt.toml b/rustfmt.toml
index 907ba344..4ac15f18 100644
--- a/rustfmt.toml
+++ b/rustfmt.toml
@@ -1,4 +1,7 @@
-hex_literal_case = "Upper"
 imports_granularity = "One"
-struct_field_align_threshold = 8
-enum_discrim_align_threshold = 8
\ No newline at end of file
+group_imports = "One"
+reorder_impl_items = true
+unstable_features = false
+overflow_delimited_expr = true
+use_small_heuristics = "Max"
+use_field_init_shorthand = true
diff --git a/xtask/Cargo.toml b/xtask/Cargo.toml
index cde8bef2..a8494b73 100644
--- a/xtask/Cargo.toml
+++ b/xtask/Cargo.toml
@@ -5,5 +5,4 @@ edition = "2021"
 
 [dependencies]
 argh       = "0.1"
-color-eyre = "0.6"
 once_cell  = "1.18"
diff --git a/xtask/src/fmt.rs b/xtask/src/fmt.rs
index 4cce8d73..4be107ab 100644
--- a/xtask/src/fmt.rs
+++ b/xtask/src/fmt.rs
@@ -1,10 +1,9 @@
 use {
     crate::{utils::IterExt, ROOT},
     argh::FromArgs,
-    color_eyre::{eyre::eyre, Result},
     std::{
         fs::File,
-        io::{BufRead, BufReader, BufWriter, Seek, Write},
+        io::{self, BufRead, BufReader, BufWriter, Seek, Write},
     },
 };
 
@@ -17,11 +16,9 @@ pub struct Command {
     renumber: bool,
 }
 
-pub fn command(args: Command) -> Result<()> {
-    let mut file = File::options()
-        .read(true)
-        .write(true)
-        .open(ROOT.join("hbbytecode/instructions.in"))?;
+pub fn command(args: Command) -> io::Result<()> {
+    let mut file =
+        File::options().read(true).write(true).open(ROOT.join("hbbytecode/instructions.in"))?;
 
     // Extract records
     let reader = BufReader::new(&file);
@@ -36,14 +33,11 @@ pub fn command(args: Command) -> Result<()> {
                 return None;
             }
 
-            s.split(',')
-                .map(|s| Box::<str>::from(s.trim()))
-                .collect_array::<4>()
-                .map(Ok::<_, ()>)
+            s.split(',').map(|s| Box::<str>::from(s.trim())).collect_array::<4>().map(Ok::<_, ()>)
         })
         .transpose()
     }) {
-        let rec = rec?.map_err(|_| eyre!("Invalid record format"))?;
+        let rec = rec?.expect("Valid record format");
         for (current, next) in lens.iter_mut().zip(rec.iter()) {
             *current = (*current).max(next.len());
         }
diff --git a/xtask/src/main.rs b/xtask/src/main.rs
index 8468a8fc..0fc50f78 100644
--- a/xtask/src/main.rs
+++ b/xtask/src/main.rs
@@ -1,7 +1,11 @@
 mod fmt;
 mod utils;
 
-use {argh::FromArgs, color_eyre::Result, once_cell::sync::Lazy, std::path::Path};
+use {
+    argh::FromArgs,
+    once_cell::sync::Lazy,
+    std::{io, path::Path},
+};
 
 static ROOT: Lazy<&Path> = Lazy::new(|| Path::new(env!("CARGO_MANIFEST_DIR")).parent().unwrap());
 
@@ -18,7 +22,7 @@ enum Subcommands {
     Format(fmt::Command),
 }
 
-fn main() -> Result<()> {
+fn main() -> io::Result<()> {
     match argh::from_env::<Command>().subcom {
         Subcommands::Format(com) => fmt::command(com),
     }