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compilerC3A.l
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%s ETIQUETTE OPERATOR ARGUMENT1 ARGUMENT2 DESTINATION
%{
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "bilquad.h"
#include "environment.h"
BILQUAD bilquad;
char *etiq, *arg1, *arg2, *dest;
int oper = 0;
char *strdup(const char *s);
int fileno(FILE *stream);
%}
%%
<ETIQUETTE>([a-zA-Z][A-Za-z0-9]*)* {
BEGIN OPERATOR;
etiq = strdup(yytext);
}
<OPERATOR>:(PL|MO|MU|AF|AFc|SK|JP|JZ|ST) {
BEGIN ARGUMENT1;
for(int opp = PL; opp <= ST; opp++){
if(strcmp(nomop(opp), yytext+1) == 0)
oper = opp;
}
}
<ARGUMENT1>:([A-Za-z][A-Za-z0-9]*|[0-9]+)* {
BEGIN ARGUMENT2;
arg1 = strdup(yytext+1);
}
<ARGUMENT2>:([A-Za-z][A-Za-z0-9]*)* {
BEGIN DESTINATION;
arg2 = strdup(yytext+1);
}
<DESTINATION>:([A-Za-z][A-Za-z0-9]*)* {
dest = strdup(yytext+1);
}
<DESTINATION>[ \t\n]*\n {
/* Creating a bilquad if it does not exist yet, otherwise concatenating a new one */
BEGIN ETIQUETTE;
QUAD Quad = creer_quad(etiq, oper, arg1, arg2, dest);
BILQUAD tmp = creer_bilquad(Quad);
//bilquad = (bilquad.first == NULL) ? creer_bilquad(Quad) : concatq(bilquad, creer_bilquad(Quad));
bilquad = concatq(bilquad, tmp);
}
[ \t\n]+ ; /* ignore whitespace */
%%
void echo(int n,char *etiq, char *oper, char *arg1, char *arg2) {
char *tmmpEtiq = NULL;
if(etiq == NULL) {
tmmpEtiq = malloc(1);
tmmpEtiq[0] = '\0';
} else {
tmmpEtiq = strdup(etiq);
strcat(tmmpEtiq,":");
}
if(n == 1) {
printf("%s\t%s\t%s\n", tmmpEtiq ,oper ? oper : "",arg1 ? arg1 : "");
} else {
printf("%s\t%s\t%s,\t\t%s\n", tmmpEtiq ,oper ? oper : "",arg1 ? arg1 : "",arg2 ? arg2 : "");
}
free(tmmpEtiq);
}
void printInstructs() {
printf("MUL:\tnop\n");
echo(2,NULL,"mrmovl","4(%esp)","%eax");
echo(2,NULL,"mrmovl","8(%esp)","%ebx");
echo(2,NULL,"rrmovl","%eax","%ecx");
echo(2,NULL,"subl","%ebx","%ecx");
echo(1,NULL,"jl","NEXT",NULL);
echo(2,NULL,"rmmovl","%ebx","4(%esp)");
echo(2,NULL,"rmmovl","%eax","8(%esp)");
echo(2,NULL,"rrmovl","%eax","%ecx");
echo(2,NULL,"rrmovl","%ebx","%eax");
echo(2,NULL,"rrmovl","%ecx","%ebx");
echo(2,"NEXT","andl","%eax","%eax");
echo(1,NULL,"je","ENDMUL",NULL);
echo(1,"SIGN","nop",NULL,NULL);
echo(1,NULL,"jg","MULPLUS",NULL);
echo(2,NULL,"irmovl","0","%ecx");
echo(2,NULL,"subl","%eax","%ecx");
echo(2,NULL,"rrmovl","%ecx","%eax");
echo(2,NULL,"rmmovl","%eax","4(%esp)");
echo(2,NULL,"irmovl","0","%ecx");
echo(2,NULL,"subl","%ebx","%ecx");
echo(2,NULL,"rrmovl","%ecx","%ebx");
echo(2,NULL,"rmmovl","%ebx","8(%esp)");
printf("MULPLUS:\tnop\n");
echo(2,NULL,"mrmovl","4(%esp)","%eax");
echo(2,NULL,"andl","%eax","%eax");
echo(1,NULL,"je","ENDMUL",NULL);
echo(2,NULL,"irmovl","1","%esi");
echo(2,NULL,"subl","%esi","%eax");
echo(2,NULL,"mrmovl","8(%esp)","%ebx");
echo(1,NULL,"pushl","%ebx",NULL);
echo(1,NULL,"pushl","%eax",NULL);
echo(1,NULL,"call","MULPLUS",NULL);
echo(1,NULL,"popl","%ebx",NULL);
echo(1,NULL,"popl","%ebx",NULL);
echo(2,NULL,"mrmovl","8(%esp)","%ebx");
echo(2,NULL,"addl","%ebx","%eax");
echo(1,NULL,"ret",NULL,NULL);
echo(2,"ENDMUL","irmovl","0","%eax");
echo(1,NULL,"ret",NULL,NULL);
}
int main(int argc,char *argv[]) {
//BEGIN(ETIQUETTE);
char buf[128];
int current = 0;
yylex();
Environment environment = envirAlloc();
QUAD quad = bilquad.first;
//Init all variables with a memory case associated with it name
while(quad != NULL) {
if(quad->OPER == AFc) {
if(strcmp(quad->DEST,"") != 0) {
if(initEnvironment(&environment,quad->DEST) == EXIT_SUCCESS) {
affect(environment,quad->DEST,++current);
}
}
} else if(quad->OPER == AF) {
if(strcmp(quad->ARG1,"") != 0) {
if(initEnvironment(&environment,quad->ARG1) == EXIT_SUCCESS) {
affect(environment,quad->ARG1,++current);
}
}
if(strcmp(quad->ARG2,"") != 0) {
if(initEnvironment(&environment,quad->ARG2) == EXIT_SUCCESS) {
affect(environment,quad->ARG2,++current);
}
}
} else if(quad->OPER == SK) {
if(strcmp(quad->ARG2,"") != 0) {
if(initEnvironment(&environment,quad->DEST) == EXIT_SUCCESS) {
affect(environment,quad->DEST,++current);
}
}
} else if(quad->OPER == PL || quad->OPER == MU || quad->OPER == MO) {
if(strcmp(quad->ARG1,"") != 0) {
if(initEnvironment(&environment,quad->ARG1) == EXIT_SUCCESS) {
affect(environment,quad->ARG1,++current);
}
}
if(strcmp(quad->ARG2,"") != 0) {
if(initEnvironment(&environment,quad->ARG2) == EXIT_SUCCESS) {
affect(environment,quad->ARG2,++current);
}
}
if(strcmp(quad->DEST,"") != 0) {
if(initEnvironment(&environment,quad->DEST) == EXIT_SUCCESS) {
affect(environment,quad->DEST,++current);
}
}
}
quad = quad->NEXT;
}
//Real compilation
printf("\t\t.pos\t0\n");
echo(2,"INIT","irmovl","Data","%edx");
echo(2,NULL,"rrmovl","%edx","%eax");
echo(2,NULL,"rrmovl","%eax","%esp");
echo(2,NULL,"rrmovl","%eax","%ebp");
quad = bilquad.first;
while(quad != NULL) {
if(quad->OPER == AFc) {
echo(2,quad->ETIQ,"irmovl",quad->ARG1,"%eax");
snprintf(buf,128,"%d(%%edx)",4*getValue(environment,quad->DEST));
echo(2,NULL,"rmmovl","%eax", buf);
}
else if(quad->OPER == AF) {
snprintf(buf,128,"%d(%%edx)",4*getValue(environment,quad->ARG2));
echo(2,quad->ETIQ,"mrmovl",buf,"%eax");
snprintf(buf,128,"%d(%%edx)",4*getValue(environment,quad->ARG1));
echo(2,NULL,"rmmovl","%eax", buf);
}
else if(quad->OPER == PL ) {
snprintf(buf,128,"%d(%%edx)",4*getValue(environment,quad->ARG1));
echo(2,quad->ETIQ,"mrmovl",buf,"%eax");
snprintf(buf,128,"%d(%%edx)",4*getValue(environment,quad->ARG2));
echo(2,NULL,"mrmovl", buf,"%ebx");
echo(2,NULL,"addl", "%eax","%ebx");
snprintf(buf,128,"%d(%%edx)",4*getValue(environment,quad->DEST));
echo(2,NULL,"rmmovl", "%ebx",buf);
}
else if(quad->OPER == MO ) {
snprintf(buf,128,"%d(%%edx)",4*getValue(environment,quad->ARG1));
echo(2,quad->ETIQ,"mrmovl",buf,"%eax");
snprintf(buf,128,"%d(%%edx)",4*getValue(environment,quad->ARG2));
echo(2,NULL,"mrmovl", buf,"%ebx");
echo(2,NULL,"subl", "%ebx","%eax");
snprintf(buf,128,"%d(%%edx)",4*getValue(environment,quad->DEST));
echo(2,NULL,"rmmovl", "%eax",buf);
}
else if(quad->OPER == MU ) {
snprintf(buf,128,"%d(%%edx)",4*getValue(environment,quad->ARG2));
echo(2,quad->ETIQ,"mrmovl",buf,"%eax");
snprintf(buf,128,"%d(%%edx)",4*getValue(environment,quad->ARG1));
echo(1,NULL,"pushl","%eax",NULL);
echo(2,NULL,"mrmovl", buf,"%eax");
echo(1,NULL,"pushl","%eax",NULL);
echo(1,NULL,"call", "MUL",NULL);
snprintf(buf,128,"%d(%%edx)",4*getValue(environment,quad->DEST));
echo(1,NULL,"popl","%ebx",NULL);
echo(1,NULL,"popl","%ebx",NULL);
echo(2,NULL,"rmmovl", "%eax",buf);
}
else if(quad->OPER == JP) {
echo(1,quad->ETIQ,"jmp",quad->DEST,NULL);
}
else if(quad->OPER == JZ) {
snprintf(buf,128,"%d(%%edx)",4*getValue(environment,quad->ARG1));
echo(2,quad->ETIQ,"mrmovl",buf,"%eax");
echo(2,NULL,"andl","%eax","%eax");
echo(1,NULL,"je",quad->DEST,NULL);
}
else if(quad->OPER == SK) {
echo(1,quad->ETIQ,"nop",NULL,NULL);
}else if(quad->OPER == ST) {
echo(1,quad->ETIQ,"halt",NULL,NULL);
}
quad = quad->NEXT;
}
printInstructs();
printf("\t\t.align\t8\n");
printf("\t\t.pos\t0xF00\n");
printf("Data:\n");
printf("\t\t.long 255\n");
char **tmpArr = malloc(sizeof(char*) * 100);
int ind=0;
while(environment != NULL) {
if(environment->identifier != NULL && strcmp(environment->identifier,"(null)") != 0 ) {
tmpArr[ind++] = strdup(environment->identifier);
}
environment = environment->next;
}
for(int i = ind-1; i >= 0; i--) {
printf("%s:\t.long 0\n",tmpArr[i]);
free(tmpArr[i]);
}
printf("\n");
free(tmpArr);
}