ajout type et fonction dans le parser
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a58be772ac
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2 changed files with 55 additions and 32 deletions
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@ -81,7 +81,7 @@ rule token = parse
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| '[' { LBRACK }
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| ']' { RBRACK }
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| '_' { WILDCARD }
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| ':' { DPOINT }
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| ':' { COLON }
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| "->" { ARROW }
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| "<" { INFERIOR }
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| ">" { SUPERIOR }
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@ -5,14 +5,18 @@
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%}
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%token EOF LET TYPE WILDCARD STAR INFERIOR SUPERIOR ARROW DPOINT EXTERN FUN MATCH COMMA IF THEN ELSE REF AND WHILE DO UNTIL FOR FROM TO BINOP EQUAL LPAREN RPAREN LBRACK RBRACK
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%token EOF LET TYPE WILDCARD STAR INFERIOR SUPERIOR ARROW COLON EXTERN FUN MATCH COMMA IF THEN ELSE REF AND WHILE DO UNTIL FOR FROM TO BINOP EQUAL LPAREN RPAREN LBRACK RBRACK
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%token<Mint.t> INT
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%token<string> ID TID
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%token<string> ID TID CID STRING
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%token<char> CHAR
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%start<HopixAST.t> program
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%%
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(************** PROGRAM ****************)
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program:
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| definition=located(definition)* EOF {
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@ -24,30 +28,34 @@ definition:
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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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| 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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| LET i=located(identifier) COLON ts=option(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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/*
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| FUN f=fundef {
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RecFunctions([f])
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}*/
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| FUN f=separated_nonempty_list(AND,fundef){
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RecFunctions(f)
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}
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(*fun : int f a = 1*)
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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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| i=located(identifier) p=located(pattern) EQUAL e=located(expression){
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i,None,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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| DPOINT ts=option(located(type_scheme)) i=located(identifier) p=located(pattern) EQUAL e=located(expression){
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i,ts,FunctionDefinition(p,e)
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}
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(************* PATTERN **************)
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pattern:
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| i=located(identifier){
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PVariable i
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@ -57,22 +65,20 @@ pattern:
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}
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(************** DATA TYPE **************)
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ty:
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| tc = type_constructor{
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TyCon(tc,None)
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TyCon(tc,[])
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}
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| tc= type_constructor INFERIOR liste_ty=separated_nonempty_list(COMMA,located(ty)) SUPERIOR{
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TyCon(tc,liste_ty)
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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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TyTuple(ty1::ty2::liste_ty)
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| ty1=located(ty) STAR liste_ty = separated_nonempty_list(STAR,located(ty)){
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TyTuple(ty1::liste_ty)
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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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@ -88,6 +94,20 @@ ty:
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}
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(************ EXPRESSION **************)
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expression:
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| l=located(literal) {
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Literal l
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}
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(******* BASIC TYPES *********)
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type_variable:
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| tid=TID {
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TId tid
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@ -98,18 +118,21 @@ type_constructor:
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TCon tcon
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}
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constructor:
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| kid = CID {
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KId kid
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}
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label:
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| label = TID {
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TId = label
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}
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expression:
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| l=located(literal) {
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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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| i=INT { LInt i}
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| c=CHAR { LChar c}
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| s = STRING { LString s }
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identifier:
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| i=ID {
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