formats, ajout commentaires et makefile

This commit is contained in:
Nicolas PENELOUX 2023-11-13 17:47:48 +01:00
parent d7b09be593
commit c7c9b0c351
2 changed files with 132 additions and 80 deletions

View file

@ -387,9 +387,7 @@ and expression' environment memory e =
and E = [runtime.environment], M = [runtime.memory]. *) and E = [runtime.environment], M = [runtime.memory]. *)
and expression pos environment memory = function and expression pos environment memory = function
| Literal l -> literal_expression l.value | Literal l -> literal_expression l.value
| Variable (id, _) -> | Variable (id, _) -> variable_value id environment
(* On cherche l'id dans l'environnement *)
Environment.lookup id.position id.value environment
| Tagged (constructor, _, list_t) -> | Tagged (constructor, _, list_t) ->
(* On ignore le type car on interprète *) (* On ignore le type car on interprète *)
VTagged (constructor.value, List.map (expression' environment memory) list_t) VTagged (constructor.value, List.map (expression' environment memory) list_t)
@ -397,40 +395,21 @@ and expression pos environment memory = function
VRecord (List.map (pair_labels_gvalue environment memory) labels) VRecord (List.map (pair_labels_gvalue environment memory) labels)
| Field (expr, label, _) -> | Field (expr, label, _) ->
field_value expr label environment memory (* On ignore la liste de type *) field_value expr label environment memory (* On ignore la liste de type *)
| Tuple [] -> | Tuple [] -> (* Cas pour le Tuple vide. Un tuple vide ne contient rien (logique), donc on utilise un VUnit*)
(* Cas pour le Tuple vide
* Un tuple vide ne contient rien (logique), donc on utilise un VUnit*)
VUnit VUnit
| Tuple list_exp -> VTuple (List.map (expression' environment memory) list_exp) | Tuple list_expr ->
(* Sequence : on evalue chaque expression, tuple_value list_expr environment memory
* puis on récupère la dernière à avoir été évalué.
* Le dernier élément se trouve facilement en faisant un reverse de liste
* et en récupérant la tête. *)
| Sequence list_expr -> | Sequence list_expr ->
let vs = List.map (expression' environment memory) list_expr in sequence_value list_expr environment memory
List.hd (List.rev vs)
| Define (value_def, expr) -> | Define (value_def, expr) ->
let runtime = value_definition { environment; memory } value_def in define_value value_def expr environment memory
expression' runtime.environment runtime.memory expr
| Fun (FunctionDefinition (pattern, expr)) -> VClosure (environment, pattern, expr) | Fun (FunctionDefinition (pattern, expr)) -> VClosure (environment, pattern, expr)
| Apply (f, x) -> apply_expression f x environment memory | Apply (f, x) -> apply_expression f x environment memory
| Ref ref -> | Ref ref -> ref_value ref environment memory
let dref = expression' environment memory ref in
VLocation (Memory.allocate memory Mint.one dref)
| Assign (expr1, expr2) -> | Assign (expr1, expr2) ->
assign_value expr1 expr2 environment memory; assign_value expr1 expr2 environment memory; VUnit
VUnit | Read read -> read_value read environment memory
| Read read ->
let loc = value_as_location (expression' environment memory read) in
(match loc with
| Some adr ->
Memory.read (Memory.dereference memory adr) Mint.zero
(* On lis la valeur de la mémoire *)
| None ->
(* TODO : faire une vrai erreur *)
failwith "erreur")
| Case (expr, branches) -> | Case (expr, branches) ->
(* TODO *)
case_value expr branches environment memory case_value expr branches environment memory
| IfThenElse (expr1, expr2, expr3) -> | IfThenElse (expr1, expr2, expr3) ->
if_then_else_value expr1 expr2 expr3 environment memory if_then_else_value expr1 expr2 expr3 environment memory
@ -439,6 +418,43 @@ and expression pos environment memory = function
| TypeAnnotation _ -> VUnit | TypeAnnotation _ -> VUnit
(* On ignore le type car on interprète *) (* On ignore le type car on interprète *)
(* Variable : On cherche la variable dans l'environnement *)
and variable_value id environment =
Environment.lookup id.position id.value environment
(* Tuple : On applique à chaque expression de la liste l'opération de calcul de sa valeur *)
and tuple_value list_expr environment memory =
VTuple (List.map (expression' environment memory) list_expr)
(* Sequence : on evalue chaque expression,
* puis on récupère la dernière à avoir été évalué.
* Le dernier élément se trouve facilement en faisant un reverse de liste
* et en récupérant la tête. *)
and sequence_value list_expr environment memory =
let vs = List.map (expression' environment memory) list_expr in
List.hd (List.rev vs)
(*Define : On évalue la définition local puis on en fait un nouveau runtime et on calcule la valeur de l'expression. *)
and define_value value_def expr environment memory =
let runtime = value_definition { environment; memory } value_def in
expression' runtime.environment runtime.memory expr
(* Reference : On alloue de la mémoire pour le résultat du calcul de l'expression *)
and ref_value ref environment memory =
let dref = expression' environment memory ref in
VLocation (Memory.allocate memory Mint.one dref)
(* Lecture : On va lire l'espace mémoire *)
and read_value read environment memory =
let loc = value_as_location (expression' environment memory read) in
(match loc with
| Some adr ->
Memory.read (Memory.dereference memory adr) Mint.zero
(* On lis la valeur de la mémoire *)
| None -> error [position read] "Erreur read")
(* Case : On effectue le pattern matching des branches associés à notre case,
* et on renvoie l'environnement modifié après avoir calculer toute les branches. *)
and case_value expr branches environment memory = and case_value expr branches environment memory =
(* On calcule d'abord l'expression *) (* On calcule d'abord l'expression *)
let expr' = expression' environment memory expr in let expr' = expression' environment memory expr in
@ -462,7 +478,7 @@ and case_value expr branches environment memory =
| [] -> error [ expr.position ] "erreur" | [] -> error [ expr.position ] "erreur"
| _ as env -> List.hd env | _ as env -> List.hd env
(* For : On va calculer les valeurs de l'expression (ici expr3) à chaque itération de la boucle *)
and for_value id expr1 expr2 expr3 environment memory = and for_value id expr1 expr2 expr3 environment memory =
let borne_inf = value_as_int (expression' environment memory expr1) in let borne_inf = value_as_int (expression' environment memory expr1) in
let borne_sup = value_as_int (expression' environment memory expr2) in let borne_sup = value_as_int (expression' environment memory expr2) in
@ -501,9 +517,9 @@ and assign_calcul environment memory expr2 v =
let mem = Memory.dereference memory v in let mem = Memory.dereference memory v in
Memory.write mem Mint.zero value Memory.write mem Mint.zero value
and pair_labels_gvalue environment memory (lab, expr) =
Position.value lab, expression' environment memory expr
(*While : Tant que la condition (valeur de l'expression 1) est true, alors on calcule l'expression de expression 2
Sinon, on renvoie un VUnit, qui va stopper le processus d'interprétation pour While. *)
and while_value expr1 expr2 environment memory pos = and while_value expr1 expr2 environment memory pos =
let cond = expression' environment memory expr1 in let cond = expression' environment memory expr1 in
(* On récupère la valeur de la condition *) (* On récupère la valeur de la condition *)
@ -513,6 +529,8 @@ and while_value expr1 expr2 environment memory pos =
expression pos environment memory (While (expr1, expr2)) expression pos environment memory (While (expr1, expr2))
| false -> VUnit | false -> VUnit
(* IfThenELse : Comme pour While, on regarde si la condition est vrai, si c'est le cas,
alors on calcule l'expression du "then", sinon celle du "else" *)
and if_then_else_value expr1 expr2 expr3 environment memory = and if_then_else_value expr1 expr2 expr3 environment memory =
let cond = expression' environment memory expr1 in let cond = expression' environment memory expr1 in
(* On récupère la valeur de la condition *) (* On récupère la valeur de la condition *)
@ -522,14 +540,18 @@ and if_then_else_value expr1 expr2 expr3 environment memory =
(* Si c'est true, alors on évalue la première expression *) (* Si c'est true, alors on évalue la première expression *)
| false -> expression' environment memory expr3 (* sinon la deuxième *) | false -> expression' environment memory expr3 (* sinon la deuxième *)
(* Record : on calcule l'expression, et on associe à chaque élément de la liste la valeur du label *)
and field_value expr label environment memory = and field_value expr label environment memory =
match expression' environment memory expr with match expression' environment memory expr with
| VRecord record -> List.assoc label.value record | VRecord record -> List.assoc label.value record
| _ -> assert false (* Cas où il n'y a pas de record, donc c'est une erreur *) | _ -> assert false (* Cas où il n'y a pas de record, donc c'est une erreur *)
and label_gvalue_pair environment memory (label, expr) = (* Fonction annexe qui renverra une paire label * valeur de expression *)
Position.value label, expression' environment memory expr and pair_labels_gvalue environment memory (lab, expr) =
Position.value lab, expression' environment memory expr
(* Apply : on applique la fonction f à x en fonction des différents cas possibles *)
and apply_expression f x environment memory = and apply_expression f x environment memory =
let x_val = expression' environment memory x in let x_val = expression' environment memory x in
match expression' environment memory f with match expression' environment memory f with
@ -545,12 +567,19 @@ and apply_expression f x environment memory =
| None -> failwith "erreur") | None -> failwith "erreur")
| _ -> assert false (* By typing *) | _ -> assert false (* By typing *)
(* Littéraux *)
and literal_expression = function and literal_expression = function
| LInt n -> VInt n | LInt n -> VInt n
| LChar c -> VChar c | LChar c -> VChar c
| LString s -> VString s | LString s -> VString s
(* On match le pattern et expression en même temps *)
(* --------------- PATTERN MATCHING ----------------- *)
and pattern environment pat expression = and pattern environment pat expression =
match pat, expression with match pat, expression with
| PWildcard, _ -> wildcard_pattern environment | PWildcard, _ -> wildcard_pattern environment
@ -566,47 +595,32 @@ and pattern environment pat expression =
| PAnd pl, _ -> and_pattern environment pl expression | PAnd pl, _ -> and_pattern environment pl expression
| _ -> None | _ -> None
(* PWildcard : on renvoie l'environnement sans modification *)
and wildcard_pattern environment = Some environment and wildcard_pattern environment = Some environment
(* PVariable : On bind la valeur de la variable ) l'expression dans l'environnement *)
and variable_pattern var env expression = Some (Environment.bind env var.value expression) and variable_pattern var env expression = Some (Environment.bind env var.value expression)
(* PTypeAnnotation : On calcule le pattern à son tour *)
and typeannot_pattern pattern' env expression = pattern env pattern' expression and typeannot_pattern pattern' env expression = pattern env pattern' expression
and and_pattern env pl expression = (* PLiteral : On regarde si la valeur du pattern correspond à celle de l'expression *)
match pl with and literal_pattern pl environment expression =
| [] -> Some env let valeur_literal = pl.value in
| p :: pl' -> let verif_literal l1 l2 = if l1 = l2 then Some environment else None in
let valeur_pattern = p.value in match valeur_literal, expression with
(match pattern env valeur_pattern expression with | LInt int1, VInt int2 -> verif_literal int1 int2
| None -> None | LChar char1, VChar char2 -> verif_literal char1 char2
| Some env' -> and_pattern env' pl' expression) | LString str1, VString str2 -> verif_literal str1 str2
| _ -> None
and or_pattern env pl expression =
match pl with
| [] -> None
| p :: pl' ->
let valeur_pattern = p.value in
(match pattern env valeur_pattern expression with
| Some env' -> Some env'
| None -> or_pattern env pl' expression)
and tuple_pattern environment tab tab2 =
if List.length tab = List.length tab2
then (
match tab, tab2 with
| [], [] -> Some environment
| pat :: tab', expr :: tab2' ->
let valeur_pattern = pat.value in
(match pattern environment valeur_pattern expr with
| Some env' -> tuple_pattern env' tab' tab2'
| None -> None)
| _ -> None)
else None
(* PTagged : On regarde si les deux constructeurs sont égaux, si c'est le cas on calcule
comme si c'était un PTuple, les deux listes de patterns que nous avons *)
and tagged_pattern cons1 cons2 pattern1 pattern2 environment = and tagged_pattern cons1 cons2 pattern1 pattern2 environment =
if cons1.value = cons2 then tuple_pattern environment pattern1 pattern2 else None if cons1.value = cons2 then tuple_pattern environment pattern1 pattern2 else None
(*PRecord On compare les deux records, on essaye de trouver un match pour chaque field
(du premier record) dans le deuxième record, si c'est le cas on met à jour l'env, sinon
On regarde le prochain élément. *)
and record_pattern environment r r' = and record_pattern environment r r' =
match r with match r with
| [] -> Some environment | [] -> Some environment
| field :: reste -> | field :: reste ->
@ -627,15 +641,52 @@ and record_pattern environment r r' =
else else
record_labbel_pattern environment field reste record_labbel_pattern environment field reste
(* PTuple : On a deux tuples, qui pour chaque pair d'éléments effectue un pattern matching, et
renvoie le nouvel environnement *)
and tuple_pattern environment tab tab2 =
if List.length tab = List.length tab2
then (
match tab, tab2 with
| [], [] -> Some environment
| pat :: tab', expr :: tab2' ->
let valeur_pattern = pat.value in
(match pattern environment valeur_pattern expr with
| Some env' -> tuple_pattern env' tab' tab2'
| None -> None)
| _ -> None)
else None
(* POr : Renvoie le nouvelle environnement si au moins un des patterns match avec l'expression*)
and or_pattern env pl expression =
match pl with
| [] -> None
| p :: pl' ->
let valeur_pattern = p.value in
(match pattern env valeur_pattern expression with
| Some env' -> Some env'
| None -> or_pattern env pl' expression)
(* PAnd : de même, mais chaque élément de la liste des patterns doivent matchs avec l'expression*)
and and_pattern env pl expression =
match pl with
| [] -> Some env
| p :: pl' ->
let valeur_pattern = p.value in
(match pattern env valeur_pattern expression with
| None -> None
| Some env' -> and_pattern env' pl' expression)
and literal_pattern pl environment expression =
let valeur_literal = pl.value in
let verif_literal l1 l2 = if l1 = l2 then Some environment else None in
match valeur_literal, expression with
| LInt int1, VInt int2 -> verif_literal int1 int2
| LChar char1, VChar char2 -> verif_literal char1 char2
| LString str1, VString str2 -> verif_literal str1 str2
| _ -> None
(** This function returns the difference between two runtimes. *) (** This function returns the difference between two runtimes. *)
and extract_observable runtime runtime' = and extract_observable runtime runtime' =

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@ -1,7 +1,8 @@
FLAP?=../_build/default/src/flap.exe FLAP?=../_build/default/src/flap.exe
JALONS=\ JALONS=\
01-Parsing.results \ 01-Parsing.results \
01-Parsing-no-positions.results 01-Parsing-no-positions.results \
02-Interpreter.results
EXTS=parsing.hopix parsing-no-positions.hopix EXTS=parsing.hopix parsing-no-positions.hopix
.PHONY: all clean test FAKE .PHONY: all clean test FAKE