From 9b281e021b3b2dbfa6ff265cc843e0aac3b400ac Mon Sep 17 00:00:00 2001
From: Zyad Hassan
Date: Fri, 12 Apr 2024 10:48:03 -0700
Subject: Add core::option::unwrap builtin

---
 backends/lean/Base/Primitives/Base.lean   | 5 +++++
 backends/lean/Base/Primitives/Core.lean   | 8 ++++++++
 backends/lean/Base/Primitives/Scalar.lean | 5 -----
 3 files changed, 13 insertions(+), 5 deletions(-)

(limited to 'backends/lean')

diff --git a/backends/lean/Base/Primitives/Base.lean b/backends/lean/Base/Primitives/Base.lean
index 4c5b2795..ac4fd340 100644
--- a/backends/lean/Base/Primitives/Base.lean
+++ b/backends/lean/Base/Primitives/Base.lean
@@ -76,6 +76,11 @@ def eval_global {α: Type u} (x: Result α) (_: ok? x := by prove_eval_global) :
   | fail _ | div => by contradiction
   | ok x => x
 
+def Result.ofOption {a : Type u} (x : Option a) (e : Error) : Result a :=
+  match x with
+  | some x => ok x
+  | none => fail e
+
 /- DO-DSL SUPPORT -/
 
 def bind {α : Type u} {β : Type v} (x: Result α) (f: α → Result β) : Result β :=
diff --git a/backends/lean/Base/Primitives/Core.lean b/backends/lean/Base/Primitives/Core.lean
index 99f65985..b7dd6d2c 100644
--- a/backends/lean/Base/Primitives/Core.lean
+++ b/backends/lean/Base/Primitives/Core.lean
@@ -51,4 +51,12 @@ def clone.CloneBool : clone.Clone Bool := {
   clone := fun b => ok (clone.impls.CloneBool.clone b)
 }
 
+namespace option
+
+/- [core::option::{core::option::Option<T>}::unwrap] -/
+def Option.unwrap (T : Type) (x : Option T) : Result T :=
+  Result.ofOption x Error.panic
+
+end option -- core.option
+
 end core
diff --git a/backends/lean/Base/Primitives/Scalar.lean b/backends/lean/Base/Primitives/Scalar.lean
index 014decb1..2bee8a2f 100644
--- a/backends/lean/Base/Primitives/Scalar.lean
+++ b/backends/lean/Base/Primitives/Scalar.lean
@@ -364,11 +364,6 @@ def Scalar.tryMkOpt (ty : ScalarTy) (x : Int) : Option (Scalar ty) :=
     some (Scalar.ofIntCore x (Scalar.check_bounds_imp_in_bounds h))
   else none
 
-def Result.ofOption {a : Type u} (x : Option a) (e : Error) : Result a :=
-  match x with
-  | some x => ok x
-  | none => fail e
-
 def Scalar.tryMk (ty : ScalarTy) (x : Int) : Result (Scalar ty) :=
   Result.ofOption (tryMkOpt ty x) integerOverflow
 
-- 
cgit v1.2.3


From eb5b2e76de6e2c6780b9817c1424777276ea5e00 Mon Sep 17 00:00:00 2001
From: Son Ho
Date: Thu, 25 Apr 2024 16:27:43 +0200
Subject: Update the backend and ExtractBuiltin.ml

---
 backends/lean/Base/Primitives/Core.lean | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'backends/lean')

diff --git a/backends/lean/Base/Primitives/Core.lean b/backends/lean/Base/Primitives/Core.lean
index b7dd6d2c..14a51bc1 100644
--- a/backends/lean/Base/Primitives/Core.lean
+++ b/backends/lean/Base/Primitives/Core.lean
@@ -51,7 +51,7 @@ def clone.CloneBool : clone.Clone Bool := {
   clone := fun b => ok (clone.impls.CloneBool.clone b)
 }
 
-namespace option
+namespace option -- core.option
 
 /- [core::option::{core::option::Option<T>}::unwrap] -/
 def Option.unwrap (T : Type) (x : Option T) : Result T :=
-- 
cgit v1.2.3