MipC Language

    assg := reg = num
          | reg = hex
          | reg = reg op reg
          | reg = reg op num
          | reg = reg op hex
    mems := reg = reg[num]
          | reg[num] = reg
    seln := if (reg == reg) { stmt }
          | if (reg == reg) { stmt } else { stmt }
          | if (reg != reg) { stmt }
          | if (reg != reg) { stmt } else { stmt }
    iter := wlop | flop | dlop
    dlop := do { stmt } while (reg == reg);
          | do { stmt } while (reg != reg);
    wlop := while (reg == reg) { stmt }
          | while (reg != reg) { stmt }
    flop := for(assg; reg == reg; assg) { stmt }
          | for(assg; reg != reg; assg) { stmt }
    stmt := assg | seln | iter