Undefined reference to 'yyval' Flex/bison

Bonjour,

J'ai cette erreur quand je tape : ggc lex.yy.c -o nom -lfl

Citation:

C:\Users\Abdou-PC\AppData\Local\Temp\cc5kC4Rr.o:lex.yy.c:(.text+0x5b4): undefined reference to `yylval'
C:\Users\Abdou-PC\AppData\Local\Temp\cc5kC4Rr.o:lex.yy.c:(.text+0x5b9): undefined reference to `yylval'
C:\Users\Abdou-PC\AppData\Local\Temp\cc5kC4Rr.o:lex.yy.c:(.text+0x5c5): undefined reference to `yylval'
C:\Users\Abdou-PC\AppData\Local\Temp\cc5kC4Rr.o:lex.yy.c:(.text+0x5f2): undefined reference to `yylval'
C:\Users\Abdou-PC\AppData\Local\Temp\cc5kC4Rr.o:lex.yy.c:(.text+0x681): undefined reference to `yylval'
C:\Users\Abdou-PC\AppData\Local\Temp\cc5kC4Rr.o:lex.yy.c:(.text+0x6cc): more undefined references to `yylval' follow
collect2.exe: error: ld returned 1 exit status

Voici mes deux fichiers : .l et .y :
clog.y

Code:

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 %{#include<stdio.h>
extern FILE* yyin;
extern tab;
char nouvType [20];
extern char* yytext;
%}
%union
{char name[50];
 int num;
 char* car;
 }
 %token ENTIER REEL VECTOR INTEGER FLOAT CONST CHAR READ DISPLAY IF ELSE FOR END AND OR NOT G L GE LE EQ DI ACOUV AT
 %token ACFER AFFEC PLUS MOIN MUL DIV CROOUV CROFER PAROUV PARFER SEP VERG PVERG DEUXPT ESPACE ID CAR CHCAR STRING
 %left OR 
 %left AND
 %left G GE EQ DI LE L 
 %left PLUS MOIN 
 %left MUL DIV 
 %start S
 %%
S: ID ACOUV DEC CODE ACFER {printf("Prog synt Juste!");YYACCEPT;}
;
DEC: ACOUV dectype ACFER;
dectype: type DEUXPT listidf PVERG | VECTOR DEUXPT type DEUXPT ID CROOUV ENTIER VERG ENTIER CROFER PVERG |dectype;
listidf: ID ',' listidf  | ID;
type: INTEGER /*{strcpy(nouvType,$1); } */|STRING /*{strcpy(nouvType,$1); }*/| CHAR /*{strcpy(nouvType,$1); } */|FLOAT/* {strcpy(nouvType,$1); }*/| CONST /*{strcpy(nouvType,$1); }*/;
CODE:ACOUV listcommands ACFER;
listcommands: | command | listcommands;
command: affichage lecture affectation condition boucle ;
affichage: DISPLAY PAROUV CHCAR DEUXPT ID PARFER PVERG;
lecture: READ PAROUV CHCAR DEUXPT AT ID PARFER PVERG;
affectation: ID AFFEC expressionar PVERG/* {insererval($1,retournerVal($3));} */| ID AFFEC ENTIER PVERG/* {insererval($1,$3);}*/|ID AFFEC REEL PVERG/* {insererval($1,$3);}*/;
expressionar: PAROUV expressionar PARFER| expressionar MOIN expressionar | expressionar PLUS expressionar | expressionar DIV expressionar | expressionar MUL expressionar |ID |ENTIER ;
condition: IF PAROUV expressioncond PARFER listcommands ELSE listcommands END  | IF PAROUV expressioncond PARFER listcommands END | IF PAROUV expressioncond PARFER condition END;
expressioncond: expressionar G expressionar | expressionar L expressionar | expressionar GE expressionar | expressionar EQ expressionar | expressionar LE expressionar | expressionar DI expressionar |NOT expressioncond | expressioncond OR expressioncond | expressioncond AND expressioncond;
boucle: FOR PAROUV ID DEUXPT expressionar conditiondarret PARFER listcommands END;
conditiondarret:expressionar;
 %%
 int yyerror(char* msg)
 {printf("%s",msg);
  return 1;}
 int main(int argc,char *argv[]) {
     yyin=fopen(argv[1],"r");
     yypase();
     affiche();
     return 0;
 }

clog.l

Code:

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%{
 
#include <string.h>
#include"TS.h"
#include"clog.tab.h" 
 
  extern YYSTYPE yylval;
int Col=1;
%}
/*pour que yylineno marche*/
%option lex-compat 
 
commentaire "//".*
saut [\n]
blanc [ ]
chiffre [0-9]
maj[A-Z]
mini[a-z]
entier [1-9]{chiffre}*|"(-"?[1-9]{chiffre}*")"|"(+"?[1-9]{chiffre}*")"|0
reel "(+"?{chiffre}+"."{chiffre}*")"|"(-"?{chiffre}+"."{chiffre}*")"
ident {maj}[a-z1-9]+
CHAR \'.?\'
string \".*\"  // '
%%
 
{blanc} {Col++;}
{commentaire} 
{entier} {    yylval.num=atoi(yytext);
            if(yylval.num<-32768||yylval.num>32767)printf("entier doit etre entre -32768 et 32767");break;
            Col = Col + strlen(yytext);
         return ENTIER;
         }
 
{reel} {yylval.num=atoi(yytext);            
       Col = Col + strlen(yytext);
       return REEL;
       }
{saut} {Col=1;} 
{ident} {if(yyleng>8)
                    {
                    printf("erreur dans la ligne %d colonne %d\n",yylineno,Col);printf("l'identificateur ne doit pas depasser 8 caracteres\n");break;
                    Col = Col + strlen(yytext);}
 
         printf("%s est un Identificateur\n",yytext);
         strcpy(yylval.name,yytext);
         Col = Col + strlen(yytext);
         return ID;
         {init(yytext,"Identificateur");
         affiche();}
        }
 
 
{CHAR} {
        printf("%s : Caractere\n",yytext);
        strcpy(yylval.name,yytext);            
        Col = Col + strlen(yytext);
        /*return CAR;*/
       }
 
{string} {
        printf("%s : Chaine de car\n",yytext);
        strcpy(yylval.name,yytext);            
        Col = Col + strlen(yytext);     
       /*return CHCAR;*/
       } 
"{" {printf("accolade ouvrente \n");
     strcpy(yylval.car,yytext+1);
    Col = Col + strlen(yytext);
    return ACOUV;}
 
"}" {printf("accolade fermente \n");
    strcpy(yylval.car,yytext+1);
    Col = Col + strlen(yytext);
    return ACFER;
    }
 
"=" {printf("affectation := \n");
      strcpy(yylval.car,yytext+1);
      Col = Col + strlen(yytext);
      return AFFEC;
      }
 
"+" {printf("plus \n");
     strcpy(yylval.car,yytext);            
     Col = Col + strlen(yytext);
     /*return PLUS;*/
     }
 
"-" {printf("moins \n");
     strcpy(yylval.car,yytext);
     Col = Col + strlen(yytext);
     /*return MOIN;*/
     }
 
"*" {printf("multiplié par \n");
    strcpy(yylval.car,yytext);
    Col = Col + strlen(yytext);
    /*return MUL;*/
    }
 
"/" {printf("divisé sur \n");
     strcpy(yylval.car,yytext);            
     Col = Col + strlen(yytext);
     /*return DIV;*/
     }
 
"[" {printf("crochet ouvrent \n");
     strcpy(yylval.car,yytext);
     Col = Col + strlen(yytext);
     /*return CROOUV;*/
     }
 
"]" {printf("crochet ferment \n");
     strcpy(yylval.car,yytext);
     Col = Col + strlen(yytext);
     /*return CROFER;*/
     }
 
"(" {printf("parenthèse ouvrente \n");
     strcpy(yylval.car,yytext);
     Col = Col + strlen(yytext);
     /*return PAROUV;*/
     }
 
")" {printf("parenthèse fermente \n");
     strcpy(yylval.car,yytext);
     Col = Col + strlen(yytext);
     /*return PARFER;*/
     }
 
"|" {printf("séparateur pour les variables \n");
     strcpy(yylval.car,yytext);
     Col = Col + strlen(yytext);
     /*return SEP;*/
     }
 
"," {printf("virgule \n");
     strcpy(yylval.car,yytext);
     Col = Col + strlen(yytext);
     /*return VERG;*/
     }
 
";" { printf("point virgule \n");
      strcpy(yylval.car,yytext);
      Col = Col + strlen(yytext);
      /*return PVERG;*/
      }
 
":" {printf("deux points \n");
     strcpy(yylval.car,yytext);
     Col = Col + strlen(yytext);
     /*return DEUXPT;*/
     }
 
"@" { printf("@ arobas \n");
       strcpy(yylval.car,yytext);
       Col = Col + strlen(yytext);
       /*return AT;*/
       }
 
"VECTOR" { printf("declaration de vecteur \n");
           strcpy(yylval.name,yytext);
           Col = Col + strlen(yytext);
           /*return VECTOR;*/
           }
 
"INTEGER" { printf("mot clé int \n");
            strcpy(yylval.name,yytext);
            Col = Col + strlen(yytext);
            /*return INTEGER;*/
            }
 
"FLOAT" {printf("mot clé float \n");
         strcpy(yylval.name,yytext);
         Col = Col + strlen(yytext);
         /*return FLOAT;*/
         }
 
"STRING" {printf("mot clé string \n");
         strcpy(yylval.name,yytext);
         Col = Col + strlen(yytext);
         /*return STRING;*/
         }
 
"CHAR" {printf("mot clé char \n");
         strcpy(yylval.name,yytext);
         Col = Col + strlen(yytext);
         /*return CHAR;*/
         }
 
"CONST" { printf("mot clé const \n");
          strcpy(yylval.name,yytext);
          Col = Col + strlen(yytext);
          /*return CONST;*/  
          }
 
"READ" {printf("mot clé read \n");
        strcpy(yylval.name,yytext);
        Col = Col + strlen(yytext);
        /*return READ;*/
        }
 
"DISPLAY" {printf("mot clé display \n");
           strcpy(yylval.name,yytext);
           Col = Col + strlen(yytext);
           /*return DISPLAY;*/
           }
 
"IF" {printf("mot clé if \n");
      strcpy(yylval.name,yytext);
      Col = Col + strlen(yytext);
      /*return IF;*/
      }
 
"ELSE" { printf("mot clé else \n");
         strcpy(yylval.name,yytext);
         Col = Col + strlen(yytext);
         /*return ELSE;*/
         }
 
"FOR" {printf("mot clé for \n");
       strcpy(yylval.name,yytext);
       Col = Col + strlen(yytext);
       /*return FOR;*/
       }
 
"END" { printf("mot clé end \n");
        strcpy(yylval.name,yytext);
        Col = Col + strlen(yytext);
        /*return END;*/
        }
 
"AND" {printf("et \n");
       strcpy(yylval.name,yytext);
       Col = Col + strlen(yytext);
       /*return AND;*/
       }
 
"OR" { printf("ou \n");
       strcpy(yylval.name,yytext);
       Col = Col + strlen(yytext);
       /*return OR;*/
       }
 
"NOT" {printf(" negation \n");
       strcpy(yylval.name,yytext);
       Col = Col + strlen(yytext);
       /*return NOT;*/
       }
 
"G" {printf("superieur \n");
     strcpy(yylval.name,yytext);
     Col = Col + strlen(yytext);
     /*return G;*/
     }
 
"L" {printf("inferieur \n");
     strcpy(yylval.name,yytext);
     Col = Col + strlen(yytext);
     /*return L;*/
     }
 
"GE" { printf(" superieur ou egale \n");
       strcpy(yylval.name,yytext);
       Col = Col + strlen(yytext);
       /*return GE;*/
       }
 
"LE" { printf("inferieur ou egale \n");
       strcpy(yylval.name,yytext);
       Col = Col + strlen(yytext);
       /*return LE;*/
       }
 
"EQ" { printf("egalité \n");
       strcpy(yylval.name,yytext);
       Col = Col + strlen(yytext);
       /*return EQ;*/
       }
 
"DI" {printf("egale pas \n");
      strcpy(yylval.name,yytext);
      Col = Col + strlen(yytext);
      /*return DI;*/
      }
 
"TABLE" {affiche();}       
. {printf("erreur a la ligne %d  colonne:%d \n",yylineno,Col);Col = Col + strlen(yytext);}
%%
 
int yywrap()
{
return 1;
 }   
/*
int main(int argc,char *argv[]) {
     FILE *f=NULL;
     f=fopen(argv[1],"r");
     yyin=f;
     yylex();
            printf("FIN\n");
            return 0;
            }*/

Pouvez-vous m'aider ?
Merci d'avance.