From 76ce025faa596c6bc43f328674c0f77eeffd029e Mon Sep 17 00:00:00 2001
From: Ayaz Hafiz <ayaz@rwx.com>
Date: Tue, 11 Oct 2022 10:48:25 -0500
Subject: [PATCH] Turn on type caching for Encode, Decode, Hash

---
 crates/compiler/load/build.rs            |  1 +
 crates/compiler/load/src/lib.rs          | 11 ++++++++++-
 crates/compiler/load_internal/src/lib.rs | 17 +++++++++++++++++
 3 files changed, 28 insertions(+), 1 deletion(-)

diff --git a/crates/compiler/load/build.rs b/crates/compiler/load/build.rs
index 8c39b69d37..08583d00d6 100644
--- a/crates/compiler/load/build.rs
+++ b/crates/compiler/load/build.rs
@@ -11,6 +11,7 @@ const SKIP_SUBS_CACHE: bool = {
     }
 };
 
+// IFTTT: crates/compiler/load/src/lib.rs
 const MODULES: &[(ModuleId, &str)] = &[
     (ModuleId::BOOL, "Bool.roc"),
     (ModuleId::RESULT, "Result.roc"),
diff --git a/crates/compiler/load/src/lib.rs b/crates/compiler/load/src/lib.rs
index 5c3ea10da1..1a5925fa0a 100644
--- a/crates/compiler/load/src/lib.rs
+++ b/crates/compiler/load/src/lib.rs
@@ -156,14 +156,18 @@ pub fn load_and_typecheck_str<'a>(
     }
 }
 
+// IFTTT: crates/compiler/load/build.rs
 const BOOL: &[u8] = include_bytes!(concat!(env!("OUT_DIR"), "/Bool.dat")) as &[_];
 const RESULT: &[u8] = include_bytes!(concat!(env!("OUT_DIR"), "/Result.dat")) as &[_];
+const NUM: &[u8] = include_bytes!(concat!(env!("OUT_DIR"), "/Num.dat")) as &[_];
 const LIST: &[u8] = include_bytes!(concat!(env!("OUT_DIR"), "/List.dat")) as &[_];
 const STR: &[u8] = include_bytes!(concat!(env!("OUT_DIR"), "/Str.dat")) as &[_];
 const DICT: &[u8] = include_bytes!(concat!(env!("OUT_DIR"), "/Dict.dat")) as &[_];
 const SET: &[u8] = include_bytes!(concat!(env!("OUT_DIR"), "/Set.dat")) as &[_];
 const BOX: &[u8] = include_bytes!(concat!(env!("OUT_DIR"), "/Box.dat")) as &[_];
-const NUM: &[u8] = include_bytes!(concat!(env!("OUT_DIR"), "/Num.dat")) as &[_];
+const ENCODE: &[u8] = include_bytes!(concat!(env!("OUT_DIR"), "/Encode.dat")) as &[_];
+const DECODE: &[u8] = include_bytes!(concat!(env!("OUT_DIR"), "/Decode.dat")) as &[_];
+const HASH: &[u8] = include_bytes!(concat!(env!("OUT_DIR"), "/Hash.dat")) as &[_];
 
 fn deserialize_help(bytes: &[u8]) -> TypeState {
     let (state, _offset) = TypeState::deserialize(bytes);
@@ -188,6 +192,11 @@ fn read_cached_types() -> MutMap<ModuleId, TypeState> {
 
         output.insert(ModuleId::SET, deserialize_help(SET));
         output.insert(ModuleId::BOX, deserialize_help(BOX));
+
+        output.insert(ModuleId::ENCODE, deserialize_help(ENCODE));
+        output.insert(ModuleId::DECODE, deserialize_help(DECODE));
+
+        output.insert(ModuleId::HASH, deserialize_help(HASH));
     }
 
     output
diff --git a/crates/compiler/load_internal/src/lib.rs b/crates/compiler/load_internal/src/lib.rs
index e7131d151e..89e7656529 100644
--- a/crates/compiler/load_internal/src/lib.rs
+++ b/crates/compiler/load_internal/src/lib.rs
@@ -1,9 +1,26 @@
 #![warn(clippy::dbg_macro)]
 // See github.com/roc-lang/roc/issues/800 for discussion of the large_enum_variant check.
 #![allow(clippy::large_enum_variant)]
+
+use roc_module::symbol::ModuleId;
 pub mod docs;
 pub mod file;
 mod work;
 
 #[cfg(target_family = "wasm")]
 mod wasm_instant;
+
+pub const BUILTIN_MODULES: &[(ModuleId, &str)] = &[
+    (ModuleId::BOOL, "Bool"),
+    (ModuleId::RESULT, "Result"),
+    (ModuleId::NUM, "Num"),
+    (ModuleId::LIST, "List"),
+    (ModuleId::STR, "Str"),
+    (ModuleId::DICT, "Dict"),
+    (ModuleId::SET, "Set"),
+    (ModuleId::BOX, "Box"),
+    (ModuleId::ENCODE, "Encode"),
+    (ModuleId::DECODE, "Decode"),
+    (ModuleId::HASH, "Hash"),
+    (ModuleId::JSON, "Json"),
+];