format
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2 changed files with 104 additions and 100 deletions
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@ -10,8 +10,6 @@
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let error lexbuf =
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error "during lexing" (lex_join lexbuf.lex_start_p lexbuf.lex_curr_p)
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}
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let newline = ('\010' | '\013' | "\013\010")
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@ -31,13 +29,14 @@ let printable = [' ' '\t' '\n' '\r' (*33-126*)] (*pas sûr*)
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let ident = ['a'-'z']['A'-'Z' 'a'-'z' '0'-'9' '_']*
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let constr_id = ['A'-'Z']['A'-'Z' 'a'-'z' '0'-'9' '_']*
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let type_variable = ['\'']['a'-'z']['A'-'Z' 'a'-'z' '0'-'9' '_']*
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(* On ne peut pas différencier au niveau du lexer var_id label_id et type_con, il faudra le faire à l'analyseur syntaxique*)
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(* On ne peut pas différencier au niveau du lexer var_id label_id et type_con,
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* il faudra le faire à l'analyseur syntaxique *)
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let atom = '"'
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let char = ['\'']atom['\'']
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let string = ['\"']((atom | '\'' | "\\\""))['\"']
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(*let binop = '+' | '-' | '*' | '/' | "&&" | "||"| "=?"| "<=?" |">=?" |"<?" |">?"*)
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(* let binop = '+' | '-' | '*' | '/' | "&&" | "||"| "=?"| "<=?" |">=?" |"<?" |">?" *)
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rule token = parse
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@ -46,7 +45,7 @@ rule token = parse
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| blank+ { token lexbuf }
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| eof { EOF }
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| "{*" { commentary lexbuf; token lexbuf }
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| "##" {commentary_line lexbuf}
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| "##" { commentary_line lexbuf }
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(** Keywords *)
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| "let" { LET }
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@ -68,12 +67,11 @@ rule token = parse
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| "for" { FOR }
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(* Fini ? *)
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(* binar operation : pas sûr pour celui là*)
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(*
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| binop as b { BINOP (* TODO *) }
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*)
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(** Binar operation : pas sûr pour celui là*)
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(* | binop as b { BINOP (* TODO *) } *)
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(** Operators *)
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| '=' { EQUAL }
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(* | '=' { EQUAL } *)
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(* ponctuation *)
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| '(' { LPAREN }
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@ -19,86 +19,89 @@ program:
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definition
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}
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definition:
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| v=vdefinition {
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DefineValue v
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}
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vdefinition: // manque le type ici, on met None en attendant
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vdefinition:
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// manque le type ici, on met None en attendant
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| LET i=located(identifier) EQUAL e=located(expression) {
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SimpleValue(i, None, e)
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}(*
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| LET i=located(identifier) DPOINT ts=located(type_scheme) EQUAL e=located(expression){
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}
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/* // marche pas
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| LET i=located(identifier) DPOINT ts=located(type_scheme) EQUAL e=located(expression) {
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SimpleValue(i,ts,e)
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}*)
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(* marche pas*)
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} */
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/* fun : int f a = 1 */
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| FUN f=fundef {
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RecFunctions([f])
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}
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(*fun : int f a = 1*)
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}
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(* de même*)
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/* de même */
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fundef:
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|(*ts est temp*) i=located(identifier) p=pattern EQUAL e=located(expression){
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FunctionDefinition(p,e)
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}
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|(*ts est temp*) DPOINT ts=located(type_scheme) i=located(identifier) p=pattern EQUAL e=located(expression){
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FunctionDefinition(p,e)
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}
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/* ts est temp */
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| i=located(identifier) p=pattern EQUAL e=located(expression) {
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FunctionDefinition(p, e)
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}
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/* ts est temp */
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| DPOINT ts=located(type_scheme) i=located(identifier) p=pattern EQUAL e=located(expression) {
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FunctionDefinition(p, e)
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}
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pattern:
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| i=located(identifier){
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| i=located(identifier) {
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PVariable i
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}
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}
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| WILDCARD {
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PWildcard
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}
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}
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ty:
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| tc = type_constructor{
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TyCon(tc,None)
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}
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| tc = type_constructor {
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TyCon(tc, None)
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}
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(* Todo version avec l'optionnel*)
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| ty1=located(ty) ARROW ty2=located(ty){
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TyArrow(ty1,ty2)
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}
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| ty1=located(ty) STAR ty2=located(ty){
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TyTuple([ty1;ty2])
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}
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| ty1=located(ty) STAR ty2= located(ty) STAR liste_ty = separated_list(STAR,located(ty)){
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| ty1=located(ty) ARROW ty2=located(ty) {
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TyArrow(ty1, ty2)
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}
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| ty1=located(ty) STAR ty2=located(ty) {
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TyTuple([ty1; ty2])
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}
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| ty1=located(ty) STAR ty2=located(ty) STAR liste_ty = separated_list(STAR,located(ty)) {
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TyTuple(ty1::ty2::liste_ty)
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}
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}
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| LPAREN type_var=type_variable RPAREN {
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TyVar type_var
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}
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type_scheme:
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(* il faut peut être modifié le séparateur*)
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| LBRACK liste_typevar = separated_list(COMMA,located(type_variable)) RBRACK ty=located(ty){
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ForallTy(liste_typevar,ty)
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}
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| ty=located(ty){
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ForallTy([],ty)
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type_scheme:
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(* il faut peut être modifié le séparateur*)
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| LBRACK liste_typevar=separated_list(COMMA,located(type_variable)) RBRACK ty=located(ty) {
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ForallTy(liste_typevar, ty)
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}
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| ty=located(ty) {
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ForallTy([], ty)
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}
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type_variable:
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| tid=TID {
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TId tid
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}
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}
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type_constructor:
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| tcon = TID {
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TCon tcon
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}
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}
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expression:
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@ -106,16 +109,19 @@ expression:
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Literal l
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}
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literal:
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| i=INT {
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LInt i
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}
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identifier:
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| i=ID {
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Id i
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}
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%inline located(X): x=X {
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Position.with_poss $startpos $endpos x
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}
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