diff options
Diffstat (limited to 'src/Helium/Data/Pseudocode')
| -rw-r--r-- | src/Helium/Data/Pseudocode/Core.agda | 23 |
1 files changed, 14 insertions, 9 deletions
diff --git a/src/Helium/Data/Pseudocode/Core.agda b/src/Helium/Data/Pseudocode/Core.agda index 9f0c12d..286b259 100644 --- a/src/Helium/Data/Pseudocode/Core.agda +++ b/src/Helium/Data/Pseudocode/Core.agda @@ -113,7 +113,6 @@ module Code {o} (Σ : Vec Type o) where data Expression {n} (Γ : Vec Type n) : Type → Set data CanAssign {n Γ} : ∀ {t} → Expression {n} Γ t → Set canAssign? : ∀ {n Γ t} → Decidable (CanAssign {n} {Γ} {t}) - canAssignAll? : ∀ {n Γ m ts} → Decidable {A = All (Expression {n} Γ) {m} ts} (All (CanAssign ∘ proj₂) ∘ (reduce (λ {x} e → x , e))) data AssignsState {n Γ} : ∀ {t e} → CanAssign {n} {Γ} {t} e → Set assignsState? : ∀ {n Γ t e} → Decidable (AssignsState {n} {Γ} {t} {e}) assignsStateAny? : ∀ {n Γ m ts es} → Decidable {A = All (CanAssign ∘ proj₂) (reduce {P = Expression {n} Γ} (λ {x} e → x , e) {m} {ts} es)} (Any (AssignsState ∘ proj₂) ∘ reduce (λ {x} a → x , a)) @@ -157,7 +156,8 @@ module Code {o} (Σ : Vec Type o) where rnd : Expression Γ real → Expression Γ int fin : ∀ {k ms n} → (All (Fin) ms → Fin n) → Expression Γ (tuple k (map fin ms)) → Expression Γ (fin n) asInt : ∀ {m} → Expression Γ (fin m) → Expression Γ int - tup : ∀ {m ts} → All (Expression Γ) ts → Expression Γ (tuple m ts) + nil : Expression Γ (tuple 0 []) + cons : ∀ {m t ts} → Expression Γ t → Expression Γ (tuple m ts) → Expression Γ (tuple (suc m) (t ∷ ts)) head : ∀ {m t ts} → Expression Γ (tuple (suc m) (t ∷ ts)) → Expression Γ t tail : ∀ {m t ts} → Expression Γ (tuple (suc m) (t ∷ ts)) → Expression Γ (tuple m ts) call : ∀ {t m Δ} → Function Δ t → All (Expression Γ) {m} Δ → Expression Γ t @@ -172,7 +172,8 @@ module Code {o} (Σ : Vec Type o) where splice : ∀ {m n t e₁ e₂} → CanAssign e₁ → CanAssign e₂ → ∀ e₃ → CanAssign (splice {m = m} {n} {t} e₁ e₂ e₃) cut : ∀ {m n t e₁} → CanAssign e₁ → ∀ e₂ → CanAssign (cut {m = m} {n} {t} e₁ e₂) cast : ∀ {i j t e} .(eq : i ≡ j) → CanAssign e → CanAssign (cast {t = t} eq e) - tup : ∀ {m ts es} → All (CanAssign ∘ proj₂) (reduce (λ {x} e → x , e) es) → CanAssign (tup {m = m} {ts} es) + nil : CanAssign nil + cons : ∀ {m t ts e₁ e₂} → CanAssign e₁ → CanAssign e₂ → CanAssign (cons {m = m} {t} {ts} e₁ e₂) head : ∀ {m t ts e} → CanAssign e → CanAssign (head {m = m} {t} {ts} e) tail : ∀ {m t ts e} → CanAssign e → CanAssign (tail {m = m} {t} {ts} e) @@ -202,15 +203,13 @@ module Code {o} (Σ : Vec Type o) where canAssign? (rnd e) = no λ () canAssign? (fin x e) = no λ () canAssign? (asInt e) = no λ () - canAssign? (tup es) = map′ tup (λ { (tup es) → es }) (canAssignAll? es) + canAssign? nil = yes nil + canAssign? (cons e e₁) = map′ (uncurry cons) (λ { (cons e e₁) → e , e₁ }) (canAssign? e ×-dec canAssign? e₁) canAssign? (head e) = map′ head (λ { (head e) → e }) (canAssign? e) canAssign? (tail e) = map′ tail (λ { (tail e) → e }) (canAssign? e) canAssign? (call x e) = no λ () canAssign? (if e then e₁ else e₂) = no λ () - canAssignAll? [] = yes [] - canAssignAll? (e ∷ es) = map′ (uncurry _∷_) (λ { (e ∷ es) → e , es }) (canAssign? e ×-dec canAssignAll? es) - data AssignsState where state : ∀ i → AssignsState (state i) [_] : ∀ {t e a} → AssignsState a → AssignsState ([_] {t = t} {e} a) @@ -219,7 +218,8 @@ module Code {o} (Σ : Vec Type o) where spliceʳ : ∀ {m n t e₁ e₂} a₁ {a₂} → AssignsState a₂ → ∀ e₃ → AssignsState (splice {m = m} {n} {t} {e₁} {e₂} a₁ a₂ e₃) cut : ∀ {m n t e₁ a₁} → AssignsState a₁ → ∀ e₂ → AssignsState (cut {m = m} {n} {t} {e₁} a₁ e₂) cast : ∀ {i j t e} .(eq : i ≡ j) {a} → AssignsState a → AssignsState (cast {t = t} {e} eq a) - tup : ∀ {m ts es as} → Any (AssignsState ∘ proj₂) (reduce (λ {x} a → x , a) as) → AssignsState (tup {m = m} {ts} {es} as) + consˡ : ∀ {m t ts e₁ e₂ a₁} → AssignsState a₁ → ∀ a₂ → AssignsState (cons {m = m} {t} {ts} {e₁} {e₂} a₁ a₂) + consʳ : ∀ {m t ts e₁ e₂} a₁ {a₂} → AssignsState a₂ → AssignsState (cons {m = m} {t} {ts} {e₁} {e₂} a₁ a₂) head : ∀ {m t ts e a} → AssignsState a → AssignsState (head {m = m} {t} {ts} {e} a) tail : ∀ {m t ts e a} → AssignsState a → AssignsState (tail {m = m} {t} {ts} {e} a) @@ -231,7 +231,8 @@ module Code {o} (Σ : Vec Type o) where assignsState? (splice a₁ a₂ e₃) = map′ [ (λ a₁ → spliceˡ a₁ a₂ e₃) , (λ a₂ → spliceʳ a₁ a₂ e₃) ]′ (λ { (spliceˡ a₁ _ _) → inj₁ a₁ ; (spliceʳ _ a₂ _) → inj₂ a₂ }) (assignsState? a₁ ⊎-dec assignsState? a₂) assignsState? (cut a e₂) = map′ (λ s → cut s e₂ ) (λ { (cut s _) → s }) (assignsState? a) assignsState? (cast eq a) = map′ (cast eq) (λ { (cast _ s) → s }) (assignsState? a) - assignsState? (tup as) = map′ tup (λ { (tup ss) → ss }) (assignsStateAny? as) + assignsState? nil = no λ () + assignsState? (cons a₁ a₂) = map′ [ (λ a₁ → consˡ a₁ a₂) , (λ a₂ → consʳ a₁ a₂) ]′ (λ { (consˡ a₁ _) → inj₁ a₁ ; (consʳ _ a₂) → inj₂ a₂ }) (assignsState? a₁ ⊎-dec assignsState? a₂) assignsState? (head a) = map′ head (λ { (head s) → s }) (assignsState? a) assignsState? (tail a) = map′ tail (λ { (tail s) → s }) (assignsState? a) @@ -280,6 +281,10 @@ module Code {o} (Σ : Vec Type o) where infixl 6 _<<_ infixl 5 _-_ + tup : ∀ {n Γ m ts} → All (Expression {n} Γ) ts → Expression Γ (tuple m ts) + tup [] = nil + tup (e ∷ es) = cons e (tup es) + _∶_ : ∀ {n Γ i j t} → Expression {n} Γ (asType t j) → Expression Γ (asType t i) → Expression Γ (asType t (i ℕ.+ j)) e₁ ∶ e₂ = splice e₁ e₂ (lit (Fin.fromℕ _ ′f)) |