98 lines
3.7 KiB
OCaml
98 lines
3.7 KiB
OCaml
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open Ast
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open Type
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(* Interface d'affichage des arbres abstraits *)
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module type PrinterAst =
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sig
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module A:Ast
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(* string_of_expression : expression -> string *)
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(* transforme une expression en chaîne de caractère *)
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val string_of_expression : A.expression -> string
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(* string_of_instruction : instruction -> string *)
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(* transforme une instruction en chaîne de caractère *)
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val string_of_instruction : A.instruction -> string
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(* string_of_fonction : fonction -> string *)
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(* transforme une fonction en chaîne de caractère *)
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val string_of_fonction : A.fonction -> string
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(* string_of_ast : ast -> string *)
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(* transforme un ast en chaîne de caractère *)
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val string_of_programme : A.programme -> string
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(* print_ast : ast -> unit *)
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(* affiche un ast *)
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val print_programme : A.programme -> unit
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end
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(*Module d'affiche des AST issus de la phase d'analyse syntaxique *)
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module PrinterAstSyntax : PrinterAst with module A = AstSyntax =
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struct
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module A = AstSyntax
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open A
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(* Conversion des opérateurs unaires *)
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let string_of_unaire op =
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match op with
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| Numerateur -> "num "
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| Denominateur -> "denom "
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(* Conversion des opérateurs binaires *)
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let string_of_binaire b =
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match b with
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| Fraction -> "/ " (* not used *)
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| Plus -> "+ "
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| Mult -> "* "
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| Equ -> "= "
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| Inf -> "< "
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(* Conversion des expressions *)
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let rec string_of_expression e =
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match e with
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| AppelFonction (n,le) -> "call "^n^"("^((List.fold_right (fun i tq -> (string_of_expression i)^tq) le ""))^") "
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| Ident n -> n^" "
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| Booleen b -> if b then "true " else "false "
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| Entier i -> (string_of_int i)^" "
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| Unaire (op,e1) -> (string_of_unaire op) ^ (string_of_expression e1)^" "
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| Binaire (b,e1,e2) ->
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begin
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match b with
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| Fraction -> "["^(string_of_expression e1)^"/"^(string_of_expression e2)^"] "
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| _ -> (string_of_expression e1)^(string_of_binaire b)^(string_of_expression e2)^" "
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end
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(* Conversion des instructions *)
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let rec string_of_instruction i =
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match i with
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| Declaration (t, n, e) -> "Declaration : "^(string_of_type t)^" "^n^" = "^(string_of_expression e)^"\n"
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| Affectation (n,e) -> "Affectation : "^n^" = "^(string_of_expression e)^"\n"
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| Constante (n,i) -> "Constante : "^n^" = "^(string_of_int i)^"\n"
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| Affichage e -> "Affichage : "^(string_of_expression e)^"\n"
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| Conditionnelle (c,t,e) -> "Conditionnelle : IF "^(string_of_expression c)^"\n"^
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"THEN \n"^((List.fold_right (fun i tq -> (string_of_instruction i)^tq) t ""))^
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"ELSE \n"^((List.fold_right (fun i tq -> (string_of_instruction i)^tq) e ""))^"\n"
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| TantQue (c,b) -> "TantQue : TQ "^(string_of_expression c)^"\n"^
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"FAIRE \n"^((List.fold_right (fun i tq -> (string_of_instruction i)^tq) b ""))^"\n"
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| Retour (e) -> "Retour : RETURN "^(string_of_expression e)^"\n"
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(* Conversion des fonctions *)
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let string_of_fonction (Fonction(t,n,lp,li)) = (string_of_type t)^" "^n^" ("^((List.fold_right (fun (t,n) tq -> (string_of_type t)^" "^n^" "^tq) lp ""))^") = \n"^
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((List.fold_right (fun i tq -> (string_of_instruction i)^tq) li ""))^"\n"
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(* Conversion d'un programme Rat *)
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let string_of_programme (Programme (fonctions, instruction)) =
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(List.fold_right (fun f tq -> (string_of_fonction f)^tq) fonctions "")^
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(List.fold_right (fun i tq -> (string_of_instruction i)^tq) instruction "")
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(* Affichage d'un programme Rat *)
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let print_programme programme =
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print_string "AST : \n";
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print_string (string_of_programme programme);
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flush_all ()
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end
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