Library iris.array_lang.notation

From iris.array_lang Require Export derived.
Export heap_lang.

Arguments wp {_ _} _ _%E _.

Notation "'WP' e @ E {{ Φ } }" := (wp E e%E Φ)
  (at level 20, e, Φ at level 200,
   format "'WP' e @ E {{ Φ } }") : uPred_scope.
Notation "'WP' e {{ Φ } }" := (wp e%E Φ)
  (at level 20, e, Φ at level 200,
   format "'WP' e {{ Φ } }") : uPred_scope.

Notation "'WP' e @ E {{ v , Q } }" := (wp E e%E (λ v, Q))
  (at level 20, e, Q at level 200,
   format "'WP' e @ E {{ v , Q } }") : uPred_scope.
Notation "'WP' e {{ v , Q } }" := (wp e%E (λ v, Q))
  (at level 20, e, Q at level 200,
   format "'WP' e {{ v , Q } }") : uPred_scope.

Coercion LitInt : Z >-> base_lit.
Coercion LitBool : bool >-> base_lit.

Coercion App : expr >-> Funclass.
Coercion of_val : val >-> expr.

Coercion Var : string >-> expr.

Coercion BNamed : string >-> binder.
Notation "≠" := BAnon : binder_scope.

Notation "# l" := (LitV l%Z%V) (at level 8, format "# l").
Notation "# l" := (Lit l%Z%V) (at level 8, format "# l") : expr_scope.

Syntax inspired by Coq/Ocaml. Constructions with higher precedence come first.
Notation "( e1 , e2 , .. , en )" := (Pair .. (Pair e1 e2) .. en) : expr_scope.
Notation "( e1 , e2 , .. , en )" := (PairV .. (PairV e1 e2) .. en) : val_scope.
Notation "'match:' e0 'with' 'InjL' x1 => e1 | 'InjR' x2 => e2 'end'" :=
  (Match e0 x1%bind e1 x2%bind e2)
  (e0, x1, e1, x2, e2 at level 200) : expr_scope.
Notation "'match:' e0 'with' 'InjR' x1 => e1 | 'InjL' x2 => e2 'end'" :=
  (Match e0 x2%bind e2 x1%bind e1)
  (e0, x1, e1, x2, e2 at level 200, only parsing) : expr_scope.
Notation "()" := LitUnit : val_scope.
Notation "! e" := (Load e%E) (at level 9, right associativity) : expr_scope.
Notation "'ref' e" := (Alloc e%E #0)
  (at level 30, right associativity) : expr_scope.
Notation "- e" := (UnOp MinusUnOp e%E)
  (at level 35, right associativity) : expr_scope.
Notation "e1 +* e2" := (BinOp OffsetOp e1%E e2%E)
  (at level 50, left associativity) : expr_scope.
Notation "e1 + e2" := (BinOp PlusOp e1%E e2%E)
  (at level 50, left associativity) : expr_scope.
Notation "e1 - e2" := (BinOp MinusOp e1%E e2%E)
  (at level 50, left associativity) : expr_scope.
Notation "e1 % e2" := (BinOp ModOp e1%E e2%E)
  (at level 50, left associativity) : expr_scope.
Notation "e1 ≤ e2" := (BinOp LeOp e1%E e2%E) (at level 70) : expr_scope.
Notation "e1 < e2" := (BinOp LtOp e1%E e2%E) (at level 70) : expr_scope.
Notation "e1 = e2" := (BinOp EqOp e1%E e2%E) (at level 70) : expr_scope.
Notation "e1 ≠ e2" := (UnOp NegOp (BinOp EqOp e1%E e2%E)) (at level 70) : expr_scope.
Notation "~ e" := (UnOp NegOp e%E) (at level 75, right associativity) : expr_scope.
Notation "e1 <- e2" := (Store e1%E e2%E) (at level 80) : expr_scope.
Notation "'rec:' f x := e" := (Rec f%bind x%bind e%E)
  (at level 102, f at level 1, x at level 1, e at level 200) : expr_scope.
Notation "'rec:' f x := e" := (RecV f%bind x%bind e%E)
  (at level 102, f at level 1, x at level 1, e at level 200) : val_scope.
Notation "'if:' e1 'then' e2 'else' e3" := (If e1%E e2%E e3%E)
  (at level 200, e1, e2, e3 at level 200) : expr_scope.
Notation "'letp:' x y := e1 'in' e2" := (Letp x%bind y%bind e1%E e2%E)
  (at level 102, x at level 1, y at level 1, e1, e2 at level 200) : expr_scope.

Derived notions, in order of declaration. The notations for let and seq are stated explicitly instead of relying on the Notations Let and Seq as defined above. This is needed because App is now a coercion, and these notations are otherwise not pretty printed back accordingly.
Notation "'rec:' f x y := e" := (Rec f%bind x%bind (Lam y%bind e%E))
  (at level 102, f, x, y at level 1, e at level 200) : expr_scope.
Notation "'rec:' f x y := e" := (RecV f%bind x%bind (Lam y%bind e%E))
  (at level 102, f, x, y at level 1, e at level 200) : val_scope.
Notation "'rec:' f x y .. z := e" := (Rec f%bind x%bind (Lam y%bind .. (Lam z%bind e%E) ..))
  (at level 102, f, x, y, z at level 1, e at level 200) : expr_scope.
Notation "'rec:' f x y .. z := e" := (RecV f%bind x%bind (Lam y%bind .. (Lam z%bind e%E) ..))
  (at level 102, f, x, y, z at level 1, e at level 200) : val_scope.

Notation "λ: x , e" := (Lam x%bind e%E)
  (at level 102, x at level 1, e at level 200) : expr_scope.
Notation "λ: x y .. z , e" := (Lam x%bind (Lam y%bind .. (Lam z%bind e%E) ..))
  (at level 102, x, y, z at level 1, e at level 200) : expr_scope.
Notation "λ: x , e" := (LamV x%bind e%E)
  (at level 102, x at level 1, e at level 200) : val_scope.
Notation "λ: x y .. z , e" := (LamV x%bind (Lam y%bind .. (Lam z%bind e%E) .. ))
  (at level 102, x, y, z at level 1, e at level 200) : val_scope.

Notation "'let:' x := e1 'in' e2" := (Lam x%bind e2%E e1%E)
  (at level 102, x at level 1, e1, e2 at level 200) : expr_scope.
Notation "e1 ;; e2" := (Lam BAnon e2%E e1%E)
  (at level 100, e2 at level 200, format "e1 ;; e2") : expr_scope.
Notation "'let:' x := e1 'in' e2" := (LamV x%bind e2%E e1%E)
  (at level 102, x at level 1, e1, e2 at level 200) : val_scope.
Notation "e1 ;; e2" := (LamV BAnon e2%E e1%E)
  (at level 100, e2 at level 200, format "e1 ;; e2") : val_scope.

Notation "e1 && e2" := (If e1%E e2%E (Lit (LitBool false))) : expr_scope.
Notation "e1 || e2" := (If e1%E (Lit (LitBool true)) e2%E) : expr_scope.

Notations for option
Notation NONE := (InjL #()).
Notation SOME x := (InjR x).

Notation NONEV := (InjLV #()).
Notation SOMEV x := (InjRV x).

Notation "'match:' e0 'with' 'NONE' => e1 | 'SOME' x => e2 'end'" :=
  (Match e0 BAnon e1 x%bind e2)
  (e0, e1, x, e2 at level 200) : expr_scope.
Notation "'match:' e0 'with' 'SOME' x => e2 | 'NONE' => e1 'end'" :=
  (Match e0 BAnon e1 x%bind e2)
  (e0, e1, x, e2 at level 200, only parsing) : expr_scope.