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1 changed files with 54 additions and 35 deletions
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@ -426,12 +426,12 @@ and expression pos environment memory = function
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| Some adr ->
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Memory.read (Memory.dereference memory adr) Mint.zero
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(* On lis la valeur de la mémoire *)
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| None -> failwith "erreur")
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(* TODO : faire une vrai erreur *)
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| Case (expr, branch) ->
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(* case_value expr branch environment memory *)
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| None ->
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(* TODO : faire une vrai erreur *)
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failwith "erreur")
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| Case (expr, branches) ->
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(* TODO *)
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failwith "Students! This is your job (Case)!"
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case_value expr branches environment memory
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| IfThenElse (expr1, expr2, expr3) ->
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if_then_else_value expr1 expr2 expr3 environment memory
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| While (expr1, expr2) -> while_value expr1 expr2 environment memory pos
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@ -439,12 +439,31 @@ and expression pos environment memory = function
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| TypeAnnotation _ -> VUnit
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(* On ignore le type car on interprète *)
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(* TODO a finir (à commencer plutôt)*)
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(* and case_value expr branch environment memory =
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(* On calcule d'abord l'expression *)
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let v = expression' environment memory expr in
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match v with
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| *)
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(* TODO a finir (à commencer plutôt) *)
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and case_value expr branches environment memory =
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(* On calcule d'abord l'expression *)
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let expr' = expression' environment memory expr in
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(* On évalue les branches *)
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let branches' =
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List.fold_left
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(fun acc branch ->
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match acc with
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| [] ->
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(* Faut évaluer la branche avec l'expression *)
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let (Branch (pat, branch')) = branch.value in
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(match pattern environment pat.value expr' with
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| Some env -> [ expression' env memory branch' ]
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| None -> [])
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| _ -> acc)
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[]
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branches
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in
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(* On fait le match avec ce qu'on a comme info *)
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match branches' with
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| [] ->
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(* TODO *)
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error [] "error"
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| _ as env -> List.hd env
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and for_value id expr1 expr2 expr3 environment memory =
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let borne_inf = value_as_int (expression' environment memory expr1) in
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@ -456,7 +475,7 @@ and for_value id expr1 expr2 expr3 environment memory =
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boucle_for id borne_inf borne_sup expr3 environment memory
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(* On appelle une seconde fonction car pour évalué la boucle for, il faudra rappeler la boucle
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en augmentant l'indice de la borne inférieur de 1 à chaque appelle. *)
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| _ -> error [ position expr1; position expr2 ] "erreur"
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| _ -> error [ expr1.position; expr2.position ] "erreur"
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and boucle_for id borne_inf borne_sup expr3 environment memory =
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if borne_inf <= borne_sup (* Cas où nous sommes dans la boucle *)
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@ -476,7 +495,7 @@ and assign_value expr1 expr2 environment memory =
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let vall = value_as_location (expression' environment memory expr1) in
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(* On regarde ensuite si*)
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match vall with
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| None -> error [ position expr1; position expr2 ] "erreur assign"
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| None -> error [ expr1.position; expr2.position ] "erreur assign"
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| Some v -> assign_calcul environment memory expr2 v
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and assign_calcul environment memory expr2 v =
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@ -520,7 +539,7 @@ and apply_expression f x environment memory =
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(* Fonction "primitive" *)
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f memory x_val
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| VClosure (_env_fn, _pattern, _expr) ->
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let valeur_pattern = value _pattern in
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let valeur_pattern = _pattern.value in
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let pat = pattern _env_fn valeur_pattern x_val in
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(* Pattern va nous calculer un nouvelle environnement *)
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(match pat with
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@ -536,47 +555,49 @@ and literal_expression = function
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(* On match le pattern et expression en même temps *)
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and pattern environment pat expression =
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match pat, expression with
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| PWildcard, _ -> Some environment
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| PLiteral pl, _ -> literal_pattern pl environment expression
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| PVariable var, _ -> Some (Environment.bind environment (value var) expression)
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| PTypeAnnotation (new_pattern, _), _ ->
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let valeur_pattern = value new_pattern in
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pattern environment valeur_pattern expression
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| PWildcard, _ -> wildcard_pattern environment
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| PLiteral lit, _ -> literal_pattern lit environment expression
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| PVariable var, _ -> variable_pattern var environment expression
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| PTypeAnnotation (pattern', _), _ ->
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typeannot_pattern pattern'.value environment expression
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| PTaggedValue (cons, _, new_pattern), VTagged (cons2, new_pattern2) ->
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tagged_pattern cons cons2 new_pattern new_pattern2 environment
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| PRecord (r, _), VRecord r2 -> (*TODO*) failwith "erreur"
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| PRecord (r, _), VRecord r2 -> record_pattern environment r r2
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| PTuple tab, VTuple tab2 -> tuple_pattern environment tab tab2
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| POr pl, _ -> or_pattern environment pl expression
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| PAnd pl, _ -> and_pattern environment pl expression
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| _ -> None
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(* On va match les deux listes *)
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and wildcard_pattern environment = Some environment
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and variable_pattern var env expression = Some (Environment.bind env var.value expression)
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and typeannot_pattern pattern' env expression = pattern env pattern' expression
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and and_pattern env pl expression =
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match pl with
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| [] -> Some env
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| p :: pl' ->
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let valeur_pattern = value p in
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let valeur_pattern = p.value in
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(match pattern env valeur_pattern expression with
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| None -> None
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| Some env' -> and_pattern env pl' expression)
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| Some env' -> and_pattern env' pl' expression)
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and or_pattern env pl expression =
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match pl with
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| [] -> None
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| p :: pl' ->
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let valeur_pattern = value p in
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let valeur_pattern = p.value in
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(match pattern env valeur_pattern expression with
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| Some env' -> Some env'
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| None -> or_pattern env pl' expression)
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and tuple_pattern environment tab tab2 =
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(* BOUCLE INFINIE ??? *)
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if List.length tab = List.length tab2
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then (
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match tab, tab2 with
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| [], [] -> Some environment
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| pat :: tab', expr :: tab2' ->
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let valeur_pattern = value pat in
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let valeur_pattern = pat.value in
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(match pattern environment valeur_pattern expr with
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| Some env' -> tuple_pattern env' tab' tab2'
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| None -> None)
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@ -584,19 +605,17 @@ and tuple_pattern environment tab tab2 =
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else None
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and tagged_pattern cons1 cons2 pattern1 pattern2 environment =
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let valeur_cons1 = value cons1 in
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if valeur_cons1 = cons2 then tuple_pattern environment pattern1 pattern2 else None
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(* BOUCLE INFINIE ??? *)
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if cons1.value = cons2 then tuple_pattern environment pattern1 pattern2 else None
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(*
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and variable_pattern environment var expression =
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let valeur_var = value var in
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Some(Environment.bind environment var expression)
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*)
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and record_pattern environment r r' =
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(* TODO *)
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None
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and literal_pattern pl environment expression =
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let valeur_pl = value pl in
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let valeur_literal = pl.value in
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let verif_literal l1 l2 = if l1 = l2 then Some environment else None in
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match valeur_pl, expression with
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match valeur_literal, expression with
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| LInt int1, VInt int2 -> verif_literal int1 int2
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| LChar char1, VChar char2 -> verif_literal char1 char2
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| LString str1, VString str2 -> verif_literal str1 str2
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