From 955d344b0da1b44a704fd45f2c952d30d2ae1c4f Mon Sep 17 00:00:00 2001
From: Michael Zhang <iptq@protonmail.com>
Date: Tue, 11 Feb 2020 01:46:02 -0600
Subject: [PATCH] add the parser back in

---
 Cargo.lock                                    | 616 +++++++++++++
 Cargo.toml                                    |   1 +
 enterprise-compiler/Cargo.toml                |   1 -
 enterprise-compiler/src/lib.rs                |  14 +-
 enterprise-compiler/src/model.rs              |  50 ++
 enterprise-compiler/src/symbol.rs             |  10 +-
 enterprise-compiler/src/visitor.rs            |  56 +-
 .../Cargo.toml                                |   2 +-
 .../build.rs                                  |   0
 .../src/ast.rs                                |   0
 .../src/flatten.rs                            |   1 +
 .../src/lib.rs                                |   9 +-
 .../src/parser.lalrpop                        |   0
 enterprise-old/.gitignore                     |   1 -
 enterprise-old/Cargo.lock                     | 809 ------------------
 enterprise-old/Cargo.toml                     |  10 -
 enterprise-old/enterprise-compiler/Cargo.toml |   7 -
 enterprise-old/enterprise-compiler/src/lib.rs |   6 -
 .../enterprise-macros/src/old_parser.rs       | 188 ----
 enterprise-old/src/backend.rs                 |  11 -
 enterprise-old/src/component.rs               |   0
 enterprise-old/src/lib.rs                     |   1 -
 enterprise-old/todomvc/Cargo.toml             |  12 -
 enterprise-old/todomvc/build.rs               |   6 -
 enterprise-old/todomvc/components/mod.rs      |  24 -
 enterprise-old/todomvc/src/Counter.en         |   0
 enterprise-old/todomvc/src/main.rs            |   3 -
 enterprise-old/todomvc/src/yolo.rs            |  47 -
 examples/helloworld/Cargo.toml                |   5 +
 examples/helloworld/src/build.rs              |  11 +
 src/compiler.rs                               |   4 +
 src/lib.rs                                    |   3 +-
 32 files changed, 710 insertions(+), 1198 deletions(-)
 create mode 100644 enterprise-compiler/src/model.rs
 rename {enterprise-old/enterprise-macros => enterprise-macros}/Cargo.toml (92%)
 rename {enterprise-old/enterprise-macros => enterprise-macros}/build.rs (100%)
 rename {enterprise-old/enterprise-macros => enterprise-macros}/src/ast.rs (100%)
 rename {enterprise-old/enterprise-macros => enterprise-macros}/src/flatten.rs (99%)
 rename {enterprise-old/enterprise-macros => enterprise-macros}/src/lib.rs (92%)
 rename {enterprise-old/enterprise-macros => enterprise-macros}/src/parser.lalrpop (100%)
 delete mode 100644 enterprise-old/.gitignore
 delete mode 100644 enterprise-old/Cargo.lock
 delete mode 100644 enterprise-old/Cargo.toml
 delete mode 100644 enterprise-old/enterprise-compiler/Cargo.toml
 delete mode 100644 enterprise-old/enterprise-compiler/src/lib.rs
 delete mode 100644 enterprise-old/enterprise-macros/src/old_parser.rs
 delete mode 100644 enterprise-old/src/backend.rs
 delete mode 100644 enterprise-old/src/component.rs
 delete mode 100644 enterprise-old/src/lib.rs
 delete mode 100644 enterprise-old/todomvc/Cargo.toml
 delete mode 100644 enterprise-old/todomvc/build.rs
 delete mode 100644 enterprise-old/todomvc/components/mod.rs
 delete mode 100644 enterprise-old/todomvc/src/Counter.en
 delete mode 100644 enterprise-old/todomvc/src/main.rs
 delete mode 100644 enterprise-old/todomvc/src/yolo.rs
 create mode 100644 examples/helloworld/src/build.rs
 create mode 100644 src/compiler.rs

diff --git a/Cargo.lock b/Cargo.lock
index f1efc8e..5a57ec7 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,5 +1,46 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
+[[package]]
+name = "aho-corasick"
+version = "0.7.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "memchr 2.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "arrayref"
+version = "0.3.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "arrayvec"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "ascii-canvas"
+version = "2.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "term 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "atty"
+version = "0.2.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "hermit-abi 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "autocfg"
+version = "0.1.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "autocfg"
 version = "1.0.0"
@@ -10,6 +51,11 @@ name = "base-x"
 version = "0.2.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "base64"
+version = "0.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "bimap"
 version = "0.4.0"
@@ -18,16 +64,68 @@ dependencies = [
  "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "bit-set"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "bit-vec 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "bit-vec"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "bitflags"
 version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "blake2b_simd"
+version = "0.5.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "arrayref 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "arrayvec 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "constant_time_eq 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "block-buffer"
+version = "0.7.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "block-padding 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byte-tools 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "generic-array 0.12.3 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "block-padding"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "byte-tools 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "bumpalo"
 version = "3.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "byte-tools"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "byteorder"
+version = "1.3.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "cfg-if"
 version = "0.1.10"
@@ -41,11 +139,73 @@ dependencies = [
  "bitflags 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "constant_time_eq"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "crossbeam-utils"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "autocfg 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "diff"
+version = "0.1.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "digest"
+version = "0.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "generic-array 0.12.3 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "dirs"
+version = "1.0.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
+ "redox_users 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "discard"
 version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "docopt"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
+ "strsim 0.9.3 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "either"
+version = "1.5.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "ena"
+version = "0.13.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "enterprise"
 version = "0.1.0"
@@ -69,19 +229,73 @@ dependencies = [
  "syn 1.0.14 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "enterprise-macros"
+version = "0.1.0"
+dependencies = [
+ "lalrpop 0.17.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lalrpop-util 0.17.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 1.0.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "thiserror 1.0.10 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "fake-simd"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "fixedbitset"
+version = "0.1.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "fixedbitset"
 version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "fuchsia-cprng"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "generic-array"
+version = "0.12.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "typenum 1.11.2 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "getrandom"
+version = "0.1.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasi 0.9.0+wasi-snapshot-preview1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "helloworld"
 version = "0.1.0"
 dependencies = [
  "enterprise 0.1.0",
+ "enterprise-compiler 0.1.0",
+ "enterprise-macros 0.1.0",
  "stdweb 0.4.20 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "hermit-abi"
+version = "0.1.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "indexmap"
 version = "1.3.1"
@@ -90,11 +304,48 @@ dependencies = [
  "autocfg 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "itertools"
+version = "0.8.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "either 1.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "itoa"
 version = "0.4.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "lalrpop"
+version = "0.17.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "ascii-canvas 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "atty 0.2.14 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bit-set 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "diff 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "docopt 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ena 0.13.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "itertools 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lalrpop-util 0.17.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "petgraph 0.4.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex-syntax 0.6.14 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
+ "sha2 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "string_cache 0.7.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "term 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "lalrpop-util"
+version = "0.17.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "lazy_static"
 version = "1.4.0"
@@ -126,6 +377,26 @@ name = "maplit"
 version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "memchr"
+version = "2.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "new_debug_unreachable"
+version = "1.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "opaque-debug"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "ordermap"
+version = "0.3.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "parking_lot"
 version = "0.10.0"
@@ -148,6 +419,15 @@ dependencies = [
  "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "petgraph"
+version = "0.4.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "fixedbitset 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ordermap 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "petgraph"
 version = "0.5.0"
@@ -157,6 +437,28 @@ dependencies = [
  "indexmap 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "phf_generator"
+version = "0.7.24"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "phf_shared 0.7.24 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "phf_shared"
+version = "0.7.24"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "siphasher 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "precomputed-hash"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "proc-macro2"
 version = "1.0.8"
@@ -173,11 +475,152 @@ dependencies = [
  "proc-macro2 1.0.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "rand"
+version = "0.6.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "autocfg 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_chacha 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_core 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_hc 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
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+ "rand_jitter 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_os 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_pcg 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_xorshift 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
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+version = "0.1.1"
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+ "rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
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+source = "registry+https://github.com/rust-lang/crates.io-index"
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+ "rand_core 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
+]
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+
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+dependencies = [
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+]
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+"checksum redox_users 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)" = "09b23093265f8d200fa7b4c2c76297f47e681c655f6f1285a8780d6a022f7431"
+"checksum regex 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)" = "322cf97724bea3ee221b78fe25ac9c46114ebb51747ad5babd51a2fc6a8235a8"
+"checksum regex-syntax 0.6.14 (registry+https://github.com/rust-lang/crates.io-index)" = "b28dfe3fe9badec5dbf0a79a9cccad2cfc2ab5484bdb3e44cbd1ae8b3ba2be06"
+"checksum rust-argon2 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "2bc8af4bda8e1ff4932523b94d3dd20ee30a87232323eda55903ffd71d2fb017"
 "checksum rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "138e3e0acb6c9fb258b19b67cb8abd63c00679d2851805ea151465464fe9030a"
 "checksum ryu 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "bfa8506c1de11c9c4e4c38863ccbe02a305c8188e85a05a784c9e11e1c3910c8"
 "checksum scopeguard 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "b42e15e59b18a828bbf5c58ea01debb36b9b096346de35d941dcb89009f24a0d"
@@ -411,14 +1014,27 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum serde_derive 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)" = "128f9e303a5a29922045a830221b8f78ec74a5f544944f3d5984f8ec3895ef64"
 "checksum serde_json 1.0.46 (registry+https://github.com/rust-lang/crates.io-index)" = "21b01d7f0288608a01dca632cf1df859df6fd6ffa885300fc275ce2ba6221953"
 "checksum sha1 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "2579985fda508104f7587689507983eadd6a6e84dd35d6d115361f530916fa0d"
+"checksum sha2 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)" = "27044adfd2e1f077f649f59deb9490d3941d674002f7d062870a60ebe9bd47a0"
+"checksum siphasher 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "0b8de496cf83d4ed58b6be86c3a275b8602f6ffe98d3024a869e124147a9a3ac"
 "checksum smallvec 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "5c2fb2ec9bcd216a5b0d0ccf31ab17b5ed1d627960edff65bbe95d3ce221cefc"
 "checksum spin 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)" = "6e63cff320ae2c57904679ba7cb63280a3dc4613885beafb148ee7bf9aa9042d"
 "checksum stdweb 0.4.20 (registry+https://github.com/rust-lang/crates.io-index)" = "d022496b16281348b52d0e30ae99e01a73d737b2f45d38fed4edf79f9325a1d5"
 "checksum stdweb-derive 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)" = "c87a60a40fccc84bef0652345bbbbbe20a605bf5d0ce81719fc476f5c03b50ef"
 "checksum stdweb-internal-macros 0.2.9 (registry+https://github.com/rust-lang/crates.io-index)" = "58fa5ff6ad0d98d1ffa8cb115892b6e69d67799f6763e162a1c9db421dc22e11"
 "checksum stdweb-internal-runtime 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "213701ba3370744dcd1a12960caa4843b3d68b4d1c0a5d575e0d65b2ee9d16c0"
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+"checksum strsim 0.9.3 (registry+https://github.com/rust-lang/crates.io-index)" = "6446ced80d6c486436db5c078dde11a9f73d42b57fb273121e160b84f63d894c"
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+"checksum thiserror 1.0.10 (registry+https://github.com/rust-lang/crates.io-index)" = "205684fd018ca14432b12cce6ea3d46763311a571c3d294e71ba3f01adcf1aad"
+"checksum thiserror-impl 1.0.10 (registry+https://github.com/rust-lang/crates.io-index)" = "57e4d2e50ca050ed44fb58309bdce3efa79948f84f9993ad1978de5eebdce5a7"
+"checksum thread_local 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "d40c6d1b69745a6ec6fb1ca717914848da4b44ae29d9b3080cbee91d72a69b14"
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+"checksum wasi 0.9.0+wasi-snapshot-preview1 (registry+https://github.com/rust-lang/crates.io-index)" = "cccddf32554fecc6acb585f82a32a72e28b48f8c4c1883ddfeeeaa96f7d8e519"
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 "checksum wasm-bindgen-backend 0.2.58 (registry+https://github.com/rust-lang/crates.io-index)" = "11cdb95816290b525b32587d76419facd99662a07e59d3cdb560488a819d9a45"
 "checksum wasm-bindgen-macro 0.2.58 (registry+https://github.com/rust-lang/crates.io-index)" = "574094772ce6921576fb6f2e3f7497b8a76273b6db092be18fc48a082de09dc3"
diff --git a/Cargo.toml b/Cargo.toml
index 8bd9eac..501afab 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -7,6 +7,7 @@ edition = "2018"
 [workspace]
 members = [
     "enterprise-compiler",
+    "enterprise-macros",
     "examples/helloworld",
 ]
 
diff --git a/enterprise-compiler/Cargo.toml b/enterprise-compiler/Cargo.toml
index db2b3a0..9d372d4 100644
--- a/enterprise-compiler/Cargo.toml
+++ b/enterprise-compiler/Cargo.toml
@@ -16,4 +16,3 @@ proc-macro2 = "1.0.8"
 quote = "1.0.2"
 spin = "0.5.2"
 syn = { version = "1.0.14", features = ["extra-traits", "full"] }
-
diff --git a/enterprise-compiler/src/lib.rs b/enterprise-compiler/src/lib.rs
index fe8468a..b21d09b 100644
--- a/enterprise-compiler/src/lib.rs
+++ b/enterprise-compiler/src/lib.rs
@@ -5,6 +5,7 @@ extern crate maplit;
 extern crate proc_macro;
 
 mod symbol;
+mod model;
 mod visitor;
 
 use std::collections::HashMap;
@@ -13,7 +14,8 @@ use proc_macro2::TokenStream;
 use syn::Expr;
 
 use crate::symbol::Symbol;
-use crate::visitor::{Elem, Rsx, TagLhs, Visitor};
+use crate::visitor::{Visitor};
+use crate::model::{Elem, Rsx, TagLhs};
 
 fn process(
     name: impl AsRef<str>,
@@ -38,12 +40,14 @@ fn process(
         let name = format_ident!("{}", name);
         // TODO: parse this into an actual expression tree for Vec<T>
         let ty = format_ident!("{}", ty);
-        model.extend(quote! { #name : Arc<enterprise::parking_lot::Mutex<#ty>> , });
+        model.extend(quote! { #name : std::sync::Arc<enterprise::parking_lot::Mutex<#ty>> , });
     }
     for (name, value) in datainit {
         let name = format_ident!("{}", name);
         let value = syn::parse_str::<Expr>(&value).unwrap();
-        init.extend(quote! { #name : Arc::new(enterprise::parking_lot::Mutex::new(#value)) , });
+        init.extend(
+            quote! { #name : std::sync::Arc::new(enterprise::parking_lot::Mutex::new(#value)) , },
+        );
     }
 
     let impl_code = &visitor.impl_code;
@@ -76,7 +80,7 @@ fn process(
             #impl_code
         }
 
-        impl<B: Backend> crate::Component<B> for #name<B> {
+        impl<B: enterprise::Backend> enterprise::Component<B> for #name<B> {
             fn create(&self, el: &enterprise::stdweb::web::Element) {
                 #init_el_code
             }
@@ -103,7 +107,7 @@ pub fn example(_input_tokens: proc_macro::TokenStream) -> proc_macro::TokenStrea
             inner: vec![],
         }),
         Rsx::Text("Hello, ".into()),
-        Rsx::Code(syn::parse_str::<Expr>("name").unwrap()),
+        Rsx::Code(Box::new(syn::parse_str::<Expr>("name").unwrap())),
         Rsx::Text("!".into()),
     ];
 
diff --git a/enterprise-compiler/src/model.rs b/enterprise-compiler/src/model.rs
new file mode 100644
index 0000000..d1f5bf5
--- /dev/null
+++ b/enterprise-compiler/src/model.rs
@@ -0,0 +1,50 @@
+use crate::symbol::Symbol;
+use std::collections::HashMap;
+use syn::Expr;
+
+pub type Id = Symbol;
+
+#[derive(Clone, Debug, PartialEq, Eq, Hash)]
+pub enum TagLhs {
+    Bind(String),
+    // On(String),
+    // Plain(String),
+    #[doc(hidden)]
+    _Nonexhaustive,
+}
+
+#[derive(Debug, Default)]
+pub struct Elem<T> {
+    pub tag: String,
+    pub attrs: HashMap<TagLhs, String>,
+    pub inner: Vec<T>,
+}
+
+#[derive(Debug)]
+pub enum Rsx {
+    Elem(Elem<Rsx>),
+    Code(Box<Expr>),
+    Text(String),
+
+    #[doc(hidden)]
+    _Nonexhaustive,
+}
+
+#[derive(Debug)]
+pub enum TaggedRsx {
+    Elem(Id, Elem<TaggedRsx>),
+    Code(Id, Box<Expr>),
+    Text(Id, String),
+
+    #[doc(hidden)]
+    _Nonexhaustive,
+}
+
+impl TaggedRsx {
+    pub fn get_id(&self) -> Id {
+        match self {
+            TaggedRsx::Elem(id, _) | TaggedRsx::Code(id, _) | TaggedRsx::Text(id, _) => *id,
+            _ => unimplemented!(),
+        }
+    }
+}
\ No newline at end of file
diff --git a/enterprise-compiler/src/symbol.rs b/enterprise-compiler/src/symbol.rs
index d150718..d8b0977 100644
--- a/enterprise-compiler/src/symbol.rs
+++ b/enterprise-compiler/src/symbol.rs
@@ -15,7 +15,7 @@ lazy_static! {
 }
 
 /// An interned string with O(1) equality.
-#[derive(Clone, Copy, Eq, Hash, PartialOrd)]
+#[derive(Clone, Copy, PartialEq, Eq, Hash, PartialOrd)]
 pub struct Symbol {
     s: &'static str,
 }
@@ -80,7 +80,7 @@ impl<S: AsRef<str>> From<S> for Symbol {
         }
         let s = {
             let heap = SYMBOL_HEAP.lock();
-            heap.get(s).unwrap().clone()
+            *heap.get(s).unwrap()
         };
         Symbol { s }
     }
@@ -94,12 +94,6 @@ impl Ord for Symbol {
     }
 }
 
-impl PartialEq for Symbol {
-    fn eq(&self, other: &Self) -> bool {
-        self.cmp(other) == Ordering::Equal
-    }
-}
-
 impl<S: AsRef<str>> PartialEq<S> for Symbol {
     fn eq(&self, other: &S) -> bool {
         self.partial_cmp(&other.as_ref()) == Some(Ordering::Equal)
diff --git a/enterprise-compiler/src/visitor.rs b/enterprise-compiler/src/visitor.rs
index 08cea3b..374451f 100644
--- a/enterprise-compiler/src/visitor.rs
+++ b/enterprise-compiler/src/visitor.rs
@@ -8,55 +8,9 @@ use proc_macro2::{TokenStream, TokenTree};
 use quote::ToTokens;
 use syn::Expr;
 
+use crate::model::{Id, TaggedRsx, Elem, Rsx, TagLhs};
 use crate::Symbol;
 
-type Id = Symbol;
-
-#[derive(Clone, Debug, PartialEq, Eq, Hash)]
-pub enum TagLhs {
-    Bind(String),
-    // On(String),
-    // Plain(String),
-    #[doc(hidden)]
-    _Nonexhaustive,
-}
-
-#[derive(Debug, Default)]
-pub struct Elem<T> {
-    pub tag: String,
-    pub attrs: HashMap<TagLhs, String>,
-    pub inner: Vec<T>,
-}
-
-#[derive(Debug)]
-pub enum Rsx {
-    Elem(Elem<Rsx>),
-    Code(Expr),
-    Text(String),
-
-    #[doc(hidden)]
-    _Nonexhaustive,
-}
-
-#[derive(Debug)]
-pub enum TaggedRsx {
-    Elem(Id, Elem<TaggedRsx>),
-    Code(Id, Expr),
-    Text(Id, String),
-
-    #[doc(hidden)]
-    _Nonexhaustive,
-}
-
-impl TaggedRsx {
-    pub fn get_id(&self) -> Id {
-        match self {
-            TaggedRsx::Elem(id, _) | TaggedRsx::Code(id, _) | TaggedRsx::Text(id, _) => *id,
-            _ => unimplemented!(),
-        }
-    }
-}
-
 #[derive(Copy, Clone, Debug, Hash, PartialOrd, Ord, PartialEq, Eq)]
 pub enum DepNode {
     // This is an attribute on an element
@@ -212,7 +166,7 @@ impl Visitor {
                                 {
                                     use enterprise::stdweb::{web::IEventTarget, unstable::TryFrom};
                                     let inner_el = el.clone();
-                                    el.add_event_listener(move |evt: stdweb::web::event::InputEvent| {
+                                    el.add_event_listener(move |evt: enterprise::stdweb::web::event::InputEvent| {
                                         let new_value = enterprise::stdweb::web::html_element::InputElement::try_from(inner_el.clone()).unwrap().raw_value();
                                         #update_func
                                     });
@@ -221,7 +175,7 @@ impl Visitor {
                         }
                     }
                     self.impl_code.extend(quote! {
-                        fn #make_node_id(&self) -> impl stdweb::web::INode {
+                        fn #make_node_id(&self) -> impl enterprise::stdweb::web::INode {
                             use enterprise::stdweb::web::IElement;
                             let el = enterprise::stdweb::web::document().create_element(#tag).unwrap();
                             el.set_attribute("id", #node_str).unwrap();
@@ -234,7 +188,7 @@ impl Visitor {
                 TaggedRsx::Code(_, _) => {
                     self.impl_code.extend(quote! {
                         #[inline]
-                        fn #make_node_id(&self) -> impl stdweb::web::INode {
+                        fn #make_node_id(&self) -> impl enterprise::stdweb::web::INode {
                             use enterprise::stdweb::web::IElement;
                             let el = enterprise::stdweb::web::document().create_element("span").expect("shouldn't fail");
                             el.set_attribute("id", #node_str).unwrap();
@@ -245,7 +199,7 @@ impl Visitor {
                 TaggedRsx::Text(_, literal) => {
                     self.impl_code.extend(quote! {
                         #[inline]
-                        fn #make_node_id(&self) -> impl stdweb::web::INode {
+                        fn #make_node_id(&self) -> impl enterprise::stdweb::web::INode {
                             enterprise::stdweb::web::document().create_text_node(#literal)
                         }
                     });
diff --git a/enterprise-old/enterprise-macros/Cargo.toml b/enterprise-macros/Cargo.toml
similarity index 92%
rename from enterprise-old/enterprise-macros/Cargo.toml
rename to enterprise-macros/Cargo.toml
index 0908eb0..fe87072 100644
--- a/enterprise-old/enterprise-macros/Cargo.toml
+++ b/enterprise-macros/Cargo.toml
@@ -14,4 +14,4 @@ lalrpop = "0.17.2"
 proc-macro2 = { version = "1.0.7", features = ["span-locations"] }
 quote = "1.0.2"
 thiserror = "1.0.9"
-lalrpop-util = "0.17.2"
+lalrpop-util = "0.17.2"
\ No newline at end of file
diff --git a/enterprise-old/enterprise-macros/build.rs b/enterprise-macros/build.rs
similarity index 100%
rename from enterprise-old/enterprise-macros/build.rs
rename to enterprise-macros/build.rs
diff --git a/enterprise-old/enterprise-macros/src/ast.rs b/enterprise-macros/src/ast.rs
similarity index 100%
rename from enterprise-old/enterprise-macros/src/ast.rs
rename to enterprise-macros/src/ast.rs
diff --git a/enterprise-old/enterprise-macros/src/flatten.rs b/enterprise-macros/src/flatten.rs
similarity index 99%
rename from enterprise-old/enterprise-macros/src/flatten.rs
rename to enterprise-macros/src/flatten.rs
index f2162c8..8405e5c 100644
--- a/enterprise-old/enterprise-macros/src/flatten.rs
+++ b/enterprise-macros/src/flatten.rs
@@ -125,3 +125,4 @@ impl Default for Span {
         Span(Span2::call_site())
     }
 }
+
diff --git a/enterprise-old/enterprise-macros/src/lib.rs b/enterprise-macros/src/lib.rs
similarity index 92%
rename from enterprise-old/enterprise-macros/src/lib.rs
rename to enterprise-macros/src/lib.rs
index a00a847..64e156a 100644
--- a/enterprise-old/enterprise-macros/src/lib.rs
+++ b/enterprise-macros/src/lib.rs
@@ -1,5 +1,4 @@
 extern crate proc_macro;
-#[macro_use]
 extern crate thiserror;
 #[macro_use]
 extern crate lalrpop_util;
@@ -8,21 +7,19 @@ mod ast;
 mod flatten;
 
 mod parser {
+    #![allow(dead_code, unused_variables, unknown_lints, non_snake_case)]
     lalrpop_mod!(pub parser);
 }
 
-use std::fmt;
-
 use proc_macro2::TokenStream;
 use quote::quote;
 
-use crate::flatten::{Span, Token, TokenType};
+use crate::flatten::{Span, TokenType};
 use crate::parser::parser::*;
 
 #[proc_macro]
 pub fn component(input_tokens: proc_macro::TokenStream) -> proc_macro::TokenStream {
     let input_tokens: TokenStream = input_tokens.into();
-    let input_as_str = input_tokens.to_string();
     let tokens = flatten::flatten(input_tokens);
 
     eprintln!("Tokens:");
@@ -38,7 +35,7 @@ pub fn component(input_tokens: proc_macro::TokenStream) -> proc_macro::TokenStre
         Err(err) => {
             use lalrpop_util::ParseError::*;
             match err {
-                User { ref error } => print!("user error"),
+                User { ref error } => print!("user error: {:?}", error),
                 InvalidToken { ref location } => print!("Invalid token at {}", location),
                 UnrecognizedEOF {
                     ref location,
diff --git a/enterprise-old/enterprise-macros/src/parser.lalrpop b/enterprise-macros/src/parser.lalrpop
similarity index 100%
rename from enterprise-old/enterprise-macros/src/parser.lalrpop
rename to enterprise-macros/src/parser.lalrpop
diff --git a/enterprise-old/.gitignore b/enterprise-old/.gitignore
deleted file mode 100644
index 1de5659..0000000
--- a/enterprise-old/.gitignore
+++ /dev/null
@@ -1 +0,0 @@
-target
\ No newline at end of file
diff --git a/enterprise-old/Cargo.lock b/enterprise-old/Cargo.lock
deleted file mode 100644
index b2c9d77..0000000
--- a/enterprise-old/Cargo.lock
+++ /dev/null
@@ -1,809 +0,0 @@
-# This file is automatically @generated by Cargo.
-# It is not intended for manual editing.
-[[package]]
-name = "aho-corasick"
-version = "0.7.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "memchr 2.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "arrayref"
-version = "0.3.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
-[[package]]
-name = "arrayvec"
-version = "0.5.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
-[[package]]
-name = "ascii-canvas"
-version = "2.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "term 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "atty"
-version = "0.2.14"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "hermit-abi 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "autocfg"
-version = "0.1.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
-[[package]]
-name = "backtrace"
-version = "0.3.40"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "backtrace-sys 0.1.32 (registry+https://github.com/rust-lang/crates.io-index)",
- "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
- "rustc-demangle 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "backtrace-sys"
-version = "0.1.32"
-source = "registry+https://github.com/rust-lang/crates.io-index"
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-name = "enterprise"
-version = "0.1.0"
-authors = ["Michael Zhang <iptq@protonmail.com>"]
-edition = "2018"
-
-[workspace]
-members = ["enterprise-compiler", "enterprise-macros", "todomvc"]
-
-[dependencies]
diff --git a/enterprise-old/enterprise-compiler/Cargo.toml b/enterprise-old/enterprise-compiler/Cargo.toml
deleted file mode 100644
index 4c62645..0000000
--- a/enterprise-old/enterprise-compiler/Cargo.toml
+++ /dev/null
@@ -1,7 +0,0 @@
-[package]
-name = "enterprise-compiler"
-version = "0.1.0"
-authors = ["Michael Zhang <iptq@protonmail.com>"]
-edition = "2018"
-
-[dependencies]
diff --git a/enterprise-old/enterprise-compiler/src/lib.rs b/enterprise-old/enterprise-compiler/src/lib.rs
deleted file mode 100644
index a5a345b..0000000
--- a/enterprise-old/enterprise-compiler/src/lib.rs
+++ /dev/null
@@ -1,6 +0,0 @@
-#[derive(Debug)]
-pub enum Error {}
-
-pub fn process_root() -> Result<(), Error> {
-    Ok(())
-}
diff --git a/enterprise-old/enterprise-macros/src/old_parser.rs b/enterprise-old/enterprise-macros/src/old_parser.rs
deleted file mode 100644
index da7e015..0000000
--- a/enterprise-old/enterprise-macros/src/old_parser.rs
+++ /dev/null
@@ -1,188 +0,0 @@
-use std::iter::Peekable;
-
-use proc_macro2::{token_stream::IntoIter, Group, Ident, Literal, Punct, TokenStream, TokenTree};
-
-type TokenIter = Peekable<IntoIter>;
-
-#[derive(Debug, Error)]
-pub enum ParseError {
-    #[error("Expected token type {0:?}, found {1:?}.")]
-    ExpectedTokenType(TokenType, TokenType),
-
-    #[error("Expected idents {0:?}, found {1:?}")]
-    ExpectedIdents(Vec<&'static str>, String),
-
-    #[error("Unexpected end of file")]
-    UnexpectedEndOfFile,
-}
-
-#[derive(Debug)]
-pub enum TokenType {
-    Group,
-    Ident,
-    Punct,
-    Literal,
-}
-
-impl TokenType {
-    fn from_tree(token_tree: &TokenTree) -> Self {
-        match token_tree {
-            TokenTree::Group(_) => TokenType::Group,
-            TokenTree::Ident(_) => TokenType::Ident,
-            TokenTree::Punct(_) => TokenType::Punct,
-            TokenTree::Literal(_) => TokenType::Literal,
-        }
-    }
-}
-
-#[derive(Debug)]
-pub enum Toplevel {
-    Use(UseStatement),
-    Component(Component),
-}
-
-#[derive(Debug)]
-pub struct UseStatement;
-
-#[derive(Debug)]
-pub struct Component {
-    name: String,
-}
-
-pub fn parse(tokens: TokenStream) -> Result<Vec<Toplevel>, ParseError> {
-    // TODO: maybe don't need to cloen?
-    let mut token_iter = tokens.clone().into_iter().peekable();
-
-    let mut toplevels = Vec::new();
-    while let Some(toplevel) = expect_toplevel(&mut token_iter)? {
-        toplevels.push(toplevel);
-    }
-
-    Ok(toplevels)
-}
-
-fn expect_toplevel(token_iter: &mut TokenIter) -> Result<Option<Toplevel>, ParseError> {
-    let ident = consume_expect_ident(token_iter, Some(&["use", "component"]))?;
-    let ident_string = ident.to_string();
-
-    match ident_string.as_ref() {
-        "use" => Ok(Some(Toplevel::Use(UseStatement))),
-        "component" => {
-            let component = expect_component(token_iter)?;
-            Ok(Some(Toplevel::Component(component)))
-        }
-        _ => Err(ParseError::ExpectedIdents(
-            vec!["use", "component"],
-            ident_string,
-        )),
-    }
-}
-
-fn expect_component(token_iter: &mut TokenIter) -> Result<Component, ParseError> {
-    let name_ident = expect_ident(token_iter, None)?;
-    let name = name_ident.to_string();
-
-    expect_component_body(token_iter, name)
-}
-
-fn expect_component_body(
-    token_iter: &mut TokenIter,
-    name: String,
-) -> Result<Component, ParseError> {
-    expect_group(token_iter)?;
-    Ok(Component { name })
-}
-
-//////
-
-fn optional<T, U>(
-    token_iter: &mut TokenIter,
-    arg: T,
-    func: impl Fn(&mut TokenIter, T) -> Result<U, ParseError>,
-) {
-    match func(token_iter, arg) {
-    }
-}
-
-macro_rules! expect_token_tree {
-    ($peek_fn_name:ident, $consume_fn_name:ident, $ty:ident) => {
-        #[allow(dead_code)]
-        fn $peek_fn_name<'a>(token_iter: &'a mut TokenIter) -> Result<&'a $ty, ParseError> {
-            match token_iter.peek() {
-                Some(TokenTree::$ty(value)) => Ok(value),
-                Some(other_tree) => Err(ParseError::ExpectedTokenType(
-                    TokenType::Ident,
-                    TokenType::from_tree(&other_tree),
-                )),
-                None => Err(ParseError::UnexpectedEndOfFile),
-            }
-        }
-        #[allow(dead_code)]
-        fn $consume_fn_name<'a>(token_iter: &'a mut TokenIter) -> Result<$ty, ParseError> {
-            match token_iter.next() {
-                Some(TokenTree::$ty(value)) => Ok(value),
-                Some(other_tree) => Err(ParseError::ExpectedTokenType(
-                    TokenType::Ident,
-                    TokenType::from_tree(&other_tree),
-                )),
-                None => Err(ParseError::UnexpectedEndOfFile),
-            }
-        }
-    };
-}
-
-expect_token_tree!(peek_expect_group, consume_expect_group, Group);
-expect_token_tree!(peek_expect_punct, consume_expect_punct, Punct);
-expect_token_tree!(peek_expect_literal, consume_expect_literal, Literal);
-
-fn peek_expect_ident<'a>(
-    token_iter: &'a mut TokenIter,
-    possible: Option<&[&'static str]>,
-) -> Result<&'a Ident, ParseError> {
-    match token_iter.peek() {
-        Some(TokenTree::Ident(ident)) => {
-            if let Some(possible) = possible {
-                let ident_string = ident.to_string();
-                for expected in possible {
-                    if *expected == ident_string.as_str() {
-                        return Ok(ident);
-                    }
-                }
-                Err(ParseError::ExpectedIdents(possible.into(), ident_string))
-            } else {
-                Ok(ident)
-            }
-        }
-        Some(other_tree) => Err(ParseError::ExpectedTokenType(
-            TokenType::Ident,
-            TokenType::from_tree(&other_tree),
-        )),
-        None => Err(ParseError::UnexpectedEndOfFile),
-    }
-}
-
-fn consume_expect_ident<'a>(
-    token_iter: &'a mut TokenIter,
-    possible: Option<&[&'static str]>,
-) -> Result<Ident, ParseError> {
-    match token_iter.next() {
-        Some(TokenTree::Ident(ident)) => {
-            if let Some(possible) = possible {
-                let ident_string = ident.to_string();
-                for expected in possible {
-                    if *expected == ident_string.as_str() {
-                        return Ok(ident);
-                    }
-                }
-                Err(ParseError::ExpectedIdents(possible.into(), ident_string))
-            } else {
-                Ok(ident)
-            }
-        }
-        Some(other_tree) => Err(ParseError::ExpectedTokenType(
-            TokenType::Ident,
-            TokenType::from_tree(&other_tree),
-        )),
-        None => Err(ParseError::UnexpectedEndOfFile),
-    }
-}
diff --git a/enterprise-old/src/backend.rs b/enterprise-old/src/backend.rs
deleted file mode 100644
index 0c33054..0000000
--- a/enterprise-old/src/backend.rs
+++ /dev/null
@@ -1,11 +0,0 @@
-pub trait Backend {
-    
-}
-
-pub struct WebBackend {
-
-}
-
-impl Backend for WebBackend {
-    
-}
\ No newline at end of file
diff --git a/enterprise-old/src/component.rs b/enterprise-old/src/component.rs
deleted file mode 100644
index e69de29..0000000
diff --git a/enterprise-old/src/lib.rs b/enterprise-old/src/lib.rs
deleted file mode 100644
index 8b13789..0000000
--- a/enterprise-old/src/lib.rs
+++ /dev/null
@@ -1 +0,0 @@
-
diff --git a/enterprise-old/todomvc/Cargo.toml b/enterprise-old/todomvc/Cargo.toml
deleted file mode 100644
index 8d8807c..0000000
--- a/enterprise-old/todomvc/Cargo.toml
+++ /dev/null
@@ -1,12 +0,0 @@
-[package]
-name = "todomvc"
-version = "0.1.0"
-authors = ["Michael Zhang <iptq@protonmail.com>"]
-edition = "2018"
-
-[build-dependencies]
-enterprise-compiler = { path = "../enterprise-compiler" }
-enterprise-macros = { path = "../enterprise-macros" }
-
-[dependencies]
-enterprise = { path = ".." }
\ No newline at end of file
diff --git a/enterprise-old/todomvc/build.rs b/enterprise-old/todomvc/build.rs
deleted file mode 100644
index e7a636f..0000000
--- a/enterprise-old/todomvc/build.rs
+++ /dev/null
@@ -1,6 +0,0 @@
-#[macro_use]
-extern crate enterprise_macros;
-
-mod components;
-
-fn main() {}
diff --git a/enterprise-old/todomvc/components/mod.rs b/enterprise-old/todomvc/components/mod.rs
deleted file mode 100644
index e6b9394..0000000
--- a/enterprise-old/todomvc/components/mod.rs
+++ /dev/null
@@ -1,24 +0,0 @@
-component! {
-    use enterprise::event::ClickEvent;
-    use enterprise::components::Button;
-
-    component Counter {
-        constructor() {
-            count: u32 = 0u32,
-        }
-
-        view {
-            <Button on:click={handleClick}>
-                Clicked {count} {if count == 1 { "time" } else { "times" }}
-            </Button>
-        }
-
-        fn handleClick(&mut self, _: ClickEvent) {
-            self.count += 1;
-        }
-    }
-
-    component Other {
-
-    }
-}
diff --git a/enterprise-old/todomvc/src/Counter.en b/enterprise-old/todomvc/src/Counter.en
deleted file mode 100644
index e69de29..0000000
diff --git a/enterprise-old/todomvc/src/main.rs b/enterprise-old/todomvc/src/main.rs
deleted file mode 100644
index e7a11a9..0000000
--- a/enterprise-old/todomvc/src/main.rs
+++ /dev/null
@@ -1,3 +0,0 @@
-fn main() {
-    println!("Hello, world!");
-}
diff --git a/enterprise-old/todomvc/src/yolo.rs b/enterprise-old/todomvc/src/yolo.rs
deleted file mode 100644
index 6d71475..0000000
--- a/enterprise-old/todomvc/src/yolo.rs
+++ /dev/null
@@ -1,47 +0,0 @@
-struct YourFuckingMap;
-
-struct Options {
-    shit_you_get_from_the_net: EnumA,
-    other_shit: EnumB,
-    number: f32,
-}
-
-impl<B: Backend> Component<B> for YourFuckingMap {
-    type Context = Options;
-
-    fn view(&self, context: Self::Context) -> Vec<B::Markup> {
-        // in here
-        let mut node = B::Markup::empty();
-        if context.number > 0.5 {
-            node += this;
-        }
-
-        match context.shit_you_get_from_the_net {
-            A => node += that,
-            B => node += ehtis,
-        }
-
-        [node]
-    }
-}
-
-
-///////
-
-        => {
-            let listeners = span.listeners();
-        }
-
-        =>view(&self) -> B::Markup {
-            let button = (...);
-
-            let mut data2 = Markup::empty();
-            for row in ctx.data {
-                match row {
-                    A => data2 += span.render(),
-                    B => data2 
-                }
-            }
-
-            [button, data2]
-        }
\ No newline at end of file
diff --git a/examples/helloworld/Cargo.toml b/examples/helloworld/Cargo.toml
index a1d52d2..c3e2525 100644
--- a/examples/helloworld/Cargo.toml
+++ b/examples/helloworld/Cargo.toml
@@ -3,6 +3,11 @@ name = "helloworld"
 version = "0.1.0"
 authors = ["Michael Zhang <iptq@protonmail.com>"]
 edition = "2018"
+build = "src/build.rs"
+
+[build-dependencies]
+enterprise-compiler = { path = "../../enterprise-compiler" }
+enterprise-macros = { path = "../../enterprise-macros" }
 
 [dependencies]
 stdweb = "0.4.20"
diff --git a/examples/helloworld/src/build.rs b/examples/helloworld/src/build.rs
new file mode 100644
index 0000000..e697a1d
--- /dev/null
+++ b/examples/helloworld/src/build.rs
@@ -0,0 +1,11 @@
+#[macro_use]
+extern crate enterprise_macros;
+
+component! {
+    component HelloWorld {
+
+    }
+}
+
+fn main() {
+}
diff --git a/src/compiler.rs b/src/compiler.rs
new file mode 100644
index 0000000..2a5212c
--- /dev/null
+++ b/src/compiler.rs
@@ -0,0 +1,4 @@
+//! Compiler-related procedures.
+
+/// Processes a set of component definitions.
+pub fn process() {}
diff --git a/src/lib.rs b/src/lib.rs
index b647568..0fbbf97 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -2,13 +2,14 @@
 
 #![deny(missing_docs)]
 
-extern crate enterprise_compiler;
+pub extern crate enterprise_compiler;
 
 // re-exports
 pub extern crate parking_lot;
 pub extern crate stdweb;
 
 mod backend;
+pub mod compiler;
 
 pub use enterprise_compiler::example;