ProjetCompilation/interC3A.l at master · abinzagr/ProjetCompilation · GitHub

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%{
#include "utils/bilquad.h"
#include "utils/environ.h"
#include <string.h>
BILQUAD list;
char *etiq=NULL,*arg1=NULL,*arg2=NULL,*res=NULL;
int op = 0;
int first = 1;
char *copy(char *src){
    int len = strlen(src);
    char *dst = malloc(sizeof(int)*(len+1));
    return strcpy(dst,src);
}
int fileno();
%}
%option nounput noinput
%s Op Arg1 Arg2 Dest
%%

(JMP|ET)[0-9]+                {
                            BEGIN Op; free(etiq); etiq=copy(yytext);
                        }
<Op>:[A-Za-z]+         {
                            BEGIN Arg1;
                            if(strncmp("Pl",yytext+1,2)==0) {
                                op = Pl;
                            } else if (strncmp("Mo",yytext+1,2)==0) {
                                op = Mo;
                            } else if (strncmp("Mu",yytext+1,2)==0) {
                                op = Mu;
                            } else if (strncmp("Afc",yytext+1,3)==0) {
                                op = Afc;
                            } else if (strncmp("Af",yytext+1,2)==0) {
                                op = Af;
                            } else if (strncmp("Sk",yytext+1,2)==0) {
                                op = Sk;
                            } else if (strncmp("Jp",yytext+1,2)==0) {
                                op = Jp;
                            } else if (strncmp("Jz",yytext+1,2)==0) {
                                op = Jz;
                            } else if (strncmp("St",yytext+1,2)==0) {
                                op = St;
                            }
                        }
<Arg1>:[A-Za-z0-9]*      {
                            BEGIN Arg2;
                            free(arg1);
                            arg1=copy(yytext+1);
                        }
<Arg2>:[A-Za-z0-9]*        {
                            BEGIN Dest;
                            free(arg2);
                            arg2=copy(yytext+1);
                        }
<Dest>:[A-Za-z0-9]*        {
                            BEGIN INITIAL;
                            char *dst=NULL;
                            dst = copy(yytext+1);
                            if(first) {
                                first = 0;
                                list = creer_bilquad(creer_quad(etiq,op,arg1,arg2,dst));
                            } else {
                                BILQUAD tmp = creer_bilquad(creer_quad(etiq,op,arg1,arg2,dst));
                                list = concatq(list,tmp);

                            }
                            free(dst);
                        }
[ \t\n]                 ;
. {;}
%%
int yywrap(){
return -1;}

int main(int argc, char *argv[]) {
    yylex();
    ENV env = Envalloc();
    QUAD elem = list.debut;
    while (elem != NULL) {
        /***Afc***/
        if (elem->OP == Afc) {
            initenv(&env, elem->RES);
            affect(env, elem->RES, atoi(elem->ARG1));
            elem = elem->SUIV;
        }
        /***Pl Mu Mo***/
        else if (elem->OP == Pl || elem->OP == Mu || elem->OP == Mo) {
            initenv(&env, elem->RES);
            initenv(&env, elem->ARG1);
            initenv(&env, elem->ARG2);
            int res = eval(elem->OP, valch(env, elem->ARG1), valch(env, elem->ARG2));
            affect(env, elem->RES, res);
            elem = elem->SUIV;
        }
        /***Af***/
        else if (elem->OP == Af) {
            initenv(&env, elem->ARG1);
            initenv(&env, elem->ARG2);
            affect(env, elem->ARG1, valch(env, elem->ARG2));
            elem = elem->SUIV;
        }
        /***Jp***/
        else if (elem->OP == Jp) {
            QUAD listStart = list.debut;
            char *dest = elem->RES;
            while (strcmp(listStart->ETIQ,dest) != 0)
                listStart = listStart->SUIV;
            elem=listStart;
        }
        /***Je***/
        else if (elem->OP == Jz) {
            QUAD listStart = list.debut;
            char *dest = elem->RES;
            if(valch(env, elem->ARG1) == 0){
                while (strcmp(listStart->ETIQ,dest) != 0){
                    listStart = listStart->SUIV;
                }
                elem=listStart;
            }else{
                elem = elem->SUIV;
            }
        } else if (elem->OP == St){
            break;
        } else if (elem->OP == Sk){
            elem = elem->SUIV;
        }
    }

    ecrire_env(env);


}