Intermediate Code -> Target Code

icg.c

#include <stdio.h>
#include <string.h>

void main(){
  char icode[10][30], str[30], opr[30];
  int i=0;
  printf("Enter Intermediate Code (terminated by exit):\n");

  do{
      scanf("%s", icode[i]);
  }while(strcmp(icode[i++], "exit") !=0);
  printf("Target Code Generator\n");
  i = 0;
  do{
    strcpy(str, icode[i]);
    switch (str[3]) { //this is where symbols are
      case '+':
        strcpy(opr, "ADD");
        break;
      case '-':
        strcpy(opr, "SUB");
        break;
      case '*':
        strcpy(opr, "MUL");
        break;
      case '/':
        strcpy(opr, "DIV");
        break;
    }
    printf("\nMOV %c,R%d",str[2],i);
    printf("\n%s %c,R%d",opr,str[4],i);
    printf("\nMOV R%d,%c",i,str[0]);

  }while(strcmp(icode[++i], "exit") !=0);
}