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syntaxique.y
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syntaxique.y
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/*
list des routines sémantiques implémentés:
* déclaration des variables
* double déclaration des variables
* compatibilité des types dans les instructions
* la taille maximale des entiers
* vérification d'apartenance des champs aux structures
* double déclaration des champs dans les structures
* Division par zéro
* autres...
*/
%{
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "TS.h"
#include "RS.h"
#include "Quad.h"
#include "CodeMachine.h"
int yylex();
int yyerror(char *);
extern FILE* yyin;
extern int line,colo;
char msg[100];//message d'erreur en générale
//variable pour les quad--------------------------------
int nTemp=1; char tempC[12]="";
int sauv_BNE,sauv_BR,sauv_BE,sauv_BLE,sauv_BL,sauv_BGE,sauv_BG,sauv_BNZ,sauv_BZ,sauv_res,sauv_pos;
char *quadNum;
char *tempStr;
char position[12]="";
%}
%union {char* nom;
struct {char* name; int type; char* res; int nbr; int pos; int debut;}NT;
struct {char* nom; int val;}DECT;
struct {char* nomIndice; char* etape; int debutCond; int sauv_BZ; int sauv_BNZ;}boucle;
struct {int sauv_BZ; int sauv_BR;}Cond;
struct{int indexStr;}structure;
}
%token<nom> VAR CODE INTEGER FLOAT STRUCT IF CONST ELSE FOR WHILE
%token<nom> IDF REEL ENTIER REEL_SGN ENTIER_SGN
%token AFF ADD SUB MUL DIV
%token '(' ')' '{' '}' ';' ':' '[' ']' ',' '.'
%token OR AND NOT
%token G GE L LE E NE
%left OR
%left AND
%left NOT
%left ADD SUB
%left MUL DIV
%type<NT> exp term factor NUMBER condition instruction
%type<DECT> listIDF
%type<boucle> FORpartie1 FORpartie2 FORpartie3 FORpartie4 WHILEpartie1 WHILEpartie2
%type<Cond> IFpartie1 IFpartie2 IFpartie3
%type<structure> STRuse
%%
S:IDF '{' VAR '{' declaration '}' CODE '{' instruction'}' '}';
//-------------partie Declaration---------------------------------------
declaration:
INTEGERdecPartie1 declaration {}
|INTEGER IDF'['ENTIER']' ';' declaration {rsDoubleDec($2); inserer($2,4,atoi($4),-1);}
|FLOATdecPartie1 declaration {}
|FLOAT IDF '['ENTIER']' ';' declaration {rsDoubleDec($2); inserer($2,5,atoi($4),-1);}
|STRusePartie2 declaration {}
|CONST IDF AFF ENTIER ';'declaration {if(rechercher($2)==-1){EntierOverflow(atoi($4)); insererCst($2,1,$4);}
else{printf("constante %s deja declare. ",$2); yyerror("");}
}
|CONST IDF AFF ENTIER_SGN ';'declaration {if(rechercher($2)==-1){EntierOverflow(atoi(SupPar($4))); insererCst($2,1,$4);}
else{printf("constante %s deja declare. ",$2); yyerror("");}
}
|CONST IDF AFF REEL ';'declaration {if(rechercher($2)==-1){insererCst($2,2,$4);}
else{printf("constante %s deja declare. ",$2); yyerror("");}
}
|CONST IDF AFF REEL_SGN ';'declaration {if(rechercher($2)==-1){insererCst($2,2,$4);}
else{printf("constante %s deja declare. ",$2); yyerror("");}
}
|STRdec ';' declaration {}
|
;
INTEGERdecPartie1 : INTEGER listIDF {MAJtype(1,-1);}
;
FLOATdecPartie1 : FLOAT listIDF {MAJtype(2,-1);}
;
STRusePartie2 : STRuse listIDF {MAJtype(3,$1.indexStr);}
;
STRdec : STRUCT '{' CHAMPS '}' IDF {if(getIndexStruct($5)!=-1){printf("erreur sémantique double déclaration de structure. "); yyerror("");}
ajouterStructure($5);
}
;
CHAMPS : CHAMP ';' CHAMPS {}
| {}
;
listIDF: IDF ';' {rsDoubleDec($1); inserer($1,0,-1,-1); insererTab($1); }
| IDF ',' listIDF {rsDoubleDec($1); inserer($1,0,-1,-1); insererTab($1); }
;
CHAMP : INTEGER IDF {if(ajouterChamps($2,1)!=-1){printf("erreur semantique; double déclaration de champs. "); yyerror("");}}
|FLOAT IDF {if(ajouterChamps($2,2)!=-1){printf("erreur semantique; double déclaration de champs. "); yyerror("");}}
;
STRuse : STRUCT IDF {if(getIndexStruct($2)==-1){printf("erreur semantique; structure nest pas declare."); yyerror("");}
$$.indexStr = getIndexStruct($2);
}
;
NUMBER: ENTIER {$$.res = strdup($1); $$.type = 1;}
|REEL {$$.res = strdup($1); $$.type = 2;}
|ENTIER_SGN {$$.type = 1; tempStr=strdup(SupPar($1));
if(checkSign(tempStr)){sprintf(tempC,"T%d",nTemp); nTemp++; quad("-",strdup(SupSign(tempStr)),"",strdup(tempC)); $$.res=strdup(tempC);}
else{$$.res=strdup(SupSign(tempStr));}
}
|REEL_SGN {$$.type = 2; tempStr=strdup(SupPar($1));
if(checkSign(tempStr)){sprintf(tempC,"T%d",nTemp); nTemp++; quad("-",strdup(SupSign(tempStr)),"",strdup(tempC)); $$.res=strdup(tempC);}
else{$$.res=strdup(SupSign(tempStr));}
}
;
//--------------------------partie instruction-------------------------------------------------------
instruction : INSTaff ';' instruction {}
|INSTaff2';' instruction {}
|INSTaff3 ';' instruction {}
|INSTaff4 ';' instruction {}
|IFpartie3 '}' instruction {}
|FORpartie4 '}' instruction {}
|WHILEpartie2 '}' instruction {}
| {}
;
/*-------------------------------------- non termineaux affectation --------------------------------*/
INSTaff : IDF AFF exp {rsVerifierDec($1); rsMAJconst($1);
if(TypeIDF($1)!=$3.type){yyerror("Affectation impossible, types incompatible. ");}
quad(":=",$3.res,"",$1);
}
;
INSTaff2 : IDF '.' IDF AFF exp {rsVerifierDec($1);
if(TypeIDF($1)!=3){sprintf(msg,"%s n\'est pas une structure. ",$1); yyerror(msg);}
rsVerifierDecChamp($1,$3);
if(TypeChamp($1,$3) != $5.type){yyerror("Affectation impossible, types incompatible. ");}
sprintf(tempC,"%s.%s",$1,$3);
quad(":=",$5.res,"",strdup(tempC));
}
;
INSTaff3 : IDF '[' ENTIER ']' AFF exp {rsVerifierDec($1);
if(TypeIDF($1)!=4 && TypeIDF($1)!=5){sprintf(msg,"%s n\'est pas un tableau. ",$1); yyerror(msg);}
if((TypeIDF($1) - $6.type)!=3){yyerror("types incompatible. ");}
sprintf(tempC,"%s[%s]",$1,$3);
quad(":=",$6.res,"",strdup(tempC));
}
;
INSTaff4 : IDF '[' IDF ']' AFF exp {rsVerifierDec($1);
if(TypeIDF($1)!=4 && TypeIDF($1)!=5){sprintf(msg,"%s n\'est pas un tableau. ",$1); yyerror(msg);}
if(TypeIDF($3)!=1){yyerror("l\'indice utilise pour acceder aux elements du tableau doit etre entier. ");}
if((TypeIDF($1) - $6.type)!=3){yyerror("types incompatible. ");}
sprintf(tempC,"%s[%s]",$1,$3);
quad(":=",$6.res,"",strdup(tempC));
}
;
/*-------------------------------------- non termineaux instruction IF --------------------------------*/
IFpartie3 : IFpartie2 '}' ELSE '{' instruction { sprintf(position,"%d",getIndq());
MajQaud($1.sauv_BR,strdup(position));
}
;
IFpartie2 : IFpartie1 ')' '{' instruction {$$.sauv_BR = quad("BR","","","");
sprintf(position,"%d",$$.sauv_BR+1);
MajQaud($1.sauv_BZ,strdup(position));
}
;
IFpartie1 : IF '(' condition {$$.sauv_BZ = quad("BZ","",$3.res,"");
}
;
/*-------------------------------------- non termineaux instruction FOR --------------------------------*/
FORpartie4 : FORpartie3 ')' '{' instruction {sprintf(tempC,"T%d",nTemp); nTemp++;
quad("+",$1.nomIndice,$1.etape,strdup(tempC));
quad(":=",strdup(tempC),"",$1.nomIndice);
sprintf(position,"%d",$1.debutCond);
quad("BR",strdup(position),"","");
sprintf(position,"%d",getIndq());
MajQaud($1.sauv_BNZ,strdup(position));
}
;
FORpartie3 : FORpartie2 ':' ENTIER ':' condition {$$.debutCond = getIndq() - $5.nbr;
$$.sauv_BNZ = quad("BNZ","",$5.res,"");
$$.etape = strdup($3);
}
;
FORpartie2 : FORpartie1 ':' ENTIER {quad(":=",$3,"",$1.nomIndice);
}
;
FORpartie1 : FOR '(' IDF {rsVerifierDec($3);
if(TypeIDF($3)!=1){ printf("erreur sémantique; %s n\'nest pas entier. ",$3); yyerror("");}
$$.nomIndice = strdup($3);
}
;
/*-------------------------------------- non termineux instruction WHILE --------------------------------*/
WHILEpartie2 : WHILEpartie1 ')' '{' instruction {sprintf(position,"%d",$1.debutCond);
quad("BR",strdup(position),"","");
sprintf(position,"%d",getIndq());
MajQaud($1.sauv_BZ,strdup(position));
}
;
WHILEpartie1 : WHILE '(' condition {$$.debutCond = getIndq() - $3.nbr;
$$.sauv_BZ = quad("BZ","",$3.res,"");
}
;
/*-------------------------------------- les conditions --------------------------------*/
condition:condition OR condition {if($1.type != $3.type){yyerror("expressions de types incompatible. ");}else{$$.type = $1.type;}
sauv_BZ = quad("BZ","",$1.res,"");
sprintf(tempC,"T%d",nTemp); nTemp++;
sauv_res = quad(":=","1","",strdup(tempC));
sauv_BR = quad("BR","","","");
sauv_BNZ = quad("BNZ","",$3.res,"");
sprintf(position,"%d",sauv_BNZ);
MajQaud(sauv_BZ,strdup(position));
sprintf(position,"%d",sauv_res);
MajQaud(sauv_BNZ,strdup(position));
quad(":=","0","",strdup(tempC));
sprintf(position,"%d",getIndq());
MajQaud(sauv_BR,strdup(position));
$$.res=strdup(tempC); tempC[0]='\0'; $$.nbr=$3.nbr+5;
}
|condition AND condition {if($1.type != $3.type){yyerror("expressions de types incompatible. ");}else{$$.type = $1.type;}
push(quad("BZ","",$1.res,""));
push(quad("BZ","",$3.res,""));
sprintf(tempC,"T%d",nTemp); nTemp++;
quad(":=","1","",strdup(tempC));
sauv_BR = quad("BR","","","");
sprintf(position,"%d",getIndq());
MajQaudPile(strdup(position));
quad(":=","0","",strdup(tempC));
sprintf(position,"%d",getIndq());
MajQaud(sauv_BR,strdup(position));
$$.res=strdup(tempC); tempC[0]='\0'; $$.nbr=$3.nbr+5;
}
|NOT '(' condition ')' {$$.type = $3.type;
sauv_BNZ = quad("BNZ","",$3.res,"");
sprintf(tempC,"T%d",nTemp); nTemp++;
quad(":=","0","",strdup(tempC));
sauv_BR = quad("BR","","","");
sprintf(position,"%d",getIndq());
MajQaud(sauv_BNZ,strdup(position));
quad(":=","1","",strdup(tempC));
sprintf(position,"%d",getIndq());
MajQaud(sauv_BR,strdup(position));
$$.res=strdup(tempC); tempC[0]='\0'; $$.nbr=$3.nbr+4;
}
|exp G exp {if($1.type != $3.type){yyerror("expressions de types incompatible. ");}else{$$.type = $1.type;}
sauv_BG = quad("BG","",$1.res,$3.res);
sprintf(tempC,"T%d",nTemp); nTemp++;
quad(":=","0","",strdup(tempC));
sauv_BR = quad("BR","","","");
sprintf(position,"%d",getIndq());
MajQaud(sauv_BG,strdup(position));
quad(":=","1","",strdup(tempC));
sprintf(position,"%d",getIndq());
MajQaud(sauv_BR,strdup(position));
$$.res=strdup(tempC); tempC[0]='\0'; $$.nbr=$1.nbr+$3.nbr+4;
}
|exp GE exp {if($1.type != $3.type){yyerror("expressions de types incompatible. ");}else{$$.type = $1.type;}
sauv_BGE = quad("BGE","",$1.res,$3.res);
sprintf(tempC,"T%d",nTemp); nTemp++;
quad(":=","0","",strdup(tempC));
sauv_BR = quad("BR","","","");
sprintf(position,"%d",getIndq());
MajQaud(sauv_BGE,strdup(position));
quad(":=","1","",strdup(tempC));
sprintf(position,"%d",getIndq());
MajQaud(sauv_BR,strdup(position));
$$.res=strdup(tempC); tempC[0]='\0'; $$.nbr=$1.nbr+$3.nbr+4;
}
|exp L exp {if($1.type != $3.type){yyerror("expressions de types incompatible. ");}else{$$.type = $1.type;}
sauv_BL = quad("BL","",$1.res,$3.res);
sprintf(tempC,"T%d",nTemp); nTemp++;
quad(":=","0","",strdup(tempC));
sauv_BR = quad("BR","","","");
sprintf(position,"%d",getIndq());
MajQaud(sauv_BL,strdup(position));
quad(":=","1","",strdup(tempC));
sprintf(position,"%d",getIndq());
MajQaud(sauv_BR,strdup(position));
$$.res=strdup(tempC); tempC[0]='\0'; $$.nbr=$1.nbr+$3.nbr+4;
}
|exp LE exp {if($1.type != $3.type){yyerror("expressions de types incompatible. ");}else{$$.type = $1.type;}
sauv_BLE = quad("BLE","",$1.res,$3.res);
sprintf(tempC,"T%d",nTemp); nTemp++;
quad(":=","0","",strdup(tempC));
sauv_BR = quad("BR","","","");
sprintf(position,"%d",getIndq());
MajQaud(sauv_BLE,strdup(position));
quad(":=","1","",strdup(tempC));
sprintf(position,"%d",getIndq());
MajQaud(sauv_BR,strdup(position));
$$.res=strdup(tempC); tempC[0]='\0'; $$.nbr=$1.nbr+$3.nbr+4;
}
|exp E exp {if($1.type != $3.type){yyerror("expressions de types incompatible. ");}else{$$.type = $1.type;}
sauv_BE = quad("BE","",$1.res,$3.res);
sprintf(tempC,"T%d",nTemp); nTemp++;
quad(":=","0","",strdup(tempC));
sauv_BR = quad("BR","","","");
sprintf(position,"%d",getIndq());
MajQaud(sauv_BE,strdup(position));
quad(":=","1","",strdup(tempC));
sprintf(position,"%d",getIndq());
MajQaud(sauv_BR,strdup(position));
$$.res=strdup(tempC); tempC[0]='\0'; $$.nbr=$1.nbr+$3.nbr+4;
}
|exp NE exp {if($1.type != $3.type){yyerror("expressions de types incompatible. ");}else{$$.type = $1.type;}
sauv_BNE = quad("BNE","",$1.res,$3.res);
sprintf(tempC,"T%d",nTemp); nTemp++;
quad(":=","0","",strdup(tempC));
sauv_BR = quad("BR","","","");
sprintf(position,"%d",getIndq());
MajQaud(sauv_BNE,strdup(position));
quad(":=","1","",strdup(tempC));
sprintf(position,"%d",getIndq());
MajQaud(sauv_BR,strdup(position));
$$.res=strdup(tempC); tempC[0]='\0'; $$.nbr=$1.nbr+$3.nbr+4;
}
|NUMBER {$$.type = $1.type; $$.res=$1.res;
sprintf(tempC,"T%d",nTemp); nTemp++;
if(atoi($1.res)!=0){
quad(":=","1","",strdup(tempC));
}
else quad(":=","0","",strdup(tempC));
$$.res=strdup(tempC); tempC[0]='\0'; $$.nbr=1;
}
;
exp : exp SUB term {if($1.type != $3.type) {yyerror("types incompatible. ");} else{$$.type = $1.type;}
sprintf(tempC,"T%d",nTemp); nTemp++; $$.res=strdup(tempC); tempC[0]='\0';
quad("-",$1.res,$3.res,$$.res);
$$.nbr=$1.nbr+$3.nbr+1;
}
|exp ADD term {if($1.type != $3.type) {yyerror("types incompatible. ");} else{$$.type = $1.type;}
sprintf(tempC,"T%d",nTemp); nTemp++; $$.res=strdup(tempC); tempC[0]='\0';
quad("+",$1.res,$3.res,$$.res);
$$.nbr=$1.nbr+$3.nbr+1;
}
|term {$$.res=$1.res; $$.type = $1.type;
$$.nbr=$1.nbr;
}
;
term: term MUL factor {if($1.type != $3.type){yyerror("types incompatible. ");} else{$$.type = $1.type;}
sprintf(tempC,"T%d",nTemp); nTemp++; $$.res=strdup(tempC); tempC[0]='\0';
quad("*",$1.res,$3.res,$$.res);
$$.nbr=$1.nbr+1;
}
|term DIV factor {if(!strcmp($3.res,"0")){yyerror("division par zero.");}
sprintf(tempC,"T%d",nTemp); nTemp++; $$.res=strdup(tempC); tempC[0]='\0';
quad("/",$1.res,$3.res,$$.res);
$$.nbr=$1.nbr+1;
}
|factor { $$.res =strdup($1.res); $$.type = $1.type;
$$.nbr=0;
}
;
factor : IDF {rsVerifierDec($1); $$.res=strdup($1); $$.type = TypeIDF($1);}
|IDF '[' ENTIER ']' {rsVerifierDec($1);
if(TypeIDF($1)!=4 && TypeIDF($1)!=5){sprintf(msg,"%s n\'est pas un tableau. ",$1); yyerror(msg);}
$$.type = TypeIDF($1)-3;
sprintf(msg,"%s[%d]",$1,atoi($3));
$$.res = strdup(msg);
}
|IDF '[' IDF ']' {rsVerifierDec($1);
if(TypeIDF($1)!=4 && TypeIDF($1)!=5){sprintf(msg,"%s n\'est pas un tableau. ",$1); yyerror(msg);}
if(TypeIDF($3)!=1){yyerror("l\'indice utilise pour acceder aux elements du tableau doit etre entier. ");}
$$.type = TypeIDF($1)-3;
sprintf(msg,"%s[%s]",$1,$3);
$$.res = strdup(msg);
}
|IDF '.' IDF {rsVerifierDec($1);
if(TypeIDF($1)!=3){sprintf(msg,"%s n\'est pas une structure. ",$1); yyerror(msg);}
rsVerifierDecChamp($1,$3);
$$.type = TypeChamp($1,$3);
sprintf(msg,"%s.%s",$1,$3);
$$.res = strdup(msg);
}
|NUMBER {$$.res = $1.res; $$.type = $1.type;}
|'(' exp ')' {$$.res = $2.res; $$.type = $2.type;}
;
%%
int yyerror(char* msg){
printf (" %s ligne %d colonne %d \n",msg,line,colo); exit (0);return 1;
}
int main (){
yyin = fopen("test.txt", "r");
yyparse ();
fclose (yyin);
afficherTS();
//afficherStrTable();
//afficherChamps();
afficherQuad();
createTextQuad();
createCodeAssembleur();
}