Simple tavor format to generate assembly code statement

instruction.tavor

START = line | 

register_name = "eax" | "ebx" | "ecx" | "edx"
label = +([\w]) ":"
inst_mov = "mov " register_name "," register_name,
				| "mov " register_name "," +([\d])
inst_add = "add " register_name "," register_name,
				| "add " register_name "," +([\d])
inst_jmp = "jmp " +([\w])

inst_inc = "inc " register_name

inst = inst_mov | inst_add | inst_inc | inst_jmp

line = inst | label