UVM class 类的继承派生关系

#! /usr/bin/python
import re, sys, commands
tmp = commands.getoutput("grep -rh -A 5 \"class \" " + sys.argv[1] + " --include=\"*.sv*\"").split('\n')
for line in tmp:
    if '//' in line or '--' in line or len(line) < 2 or 'endclass' in line:
        tmp.remove(line)
tmp2 = []
for i in range(len(tmp)):
    if 'class ' in tmp[i]:
        new_line = tmp[i]
        if ';' in tmp[i]:
            tmp2.append(tmp[i])    
        else:
          for j in range(10):
               if (i+1) < len(tmp):
                    i = i+1
               new_line += tmp[i]
               if ';' in tmp[i]:
                    tmp2.append(new_line)
                    break
tmp3 = []
for line in tmp2:
  if 'extends' in line:
      res = re.match('\s*(virtual\s)*class\s+(\S+).*extends\s+(\S+).*', line)
      if res:
          tmp3.append(res.group(2) + ' extends ' + res.group(3))
    else:
      res = re.match('\s*(virtual\s)*class\s+(\S+).*', line)
      if res:
          tmp3.append(res.group(2))
tmp4 = {}.fromkeys(tmp3).keys()
for i in range(len(tmp4)):
  tmp4[i] = re.sub('#\S+', '', tmp4[i])
  tmp4[i] = re.sub(';', '', tmp4[i])
tmp5 = []
for i in range(len(tmp4)):
    if 'extends' not in tmp4[i]:
      hier = tmp4[i]
    else:
      res = re.match('(.*) extends (.*)', tmp4[i])
        son = res.group(1)
      father = res.group(2)
      hier = father + '.' + son
        while True:
          if father is not '':
              son = father
          else:
              break
          for j in range(len(tmp4)):
              res = re.match(son + ' extends ' + '(.*)', tmp4[j])
              if res:
                  hier = res.group(1) + '.' + hier
                  father = res.group(1)
                  break
              else:
                  father = ''
    tmp5.append(hier)
tmp6 = sorted(set(tmp5))
fp = open('uvm_family.csv', 'w')
for line in tmp6:
  fp.write(line + '\n')
    print line
fp.close()

fp = open('uvm_void_family.csv', 'w')
for line in tmp6:
    if 'uvm_void' in line:
        fp.write(line + '\n')
fp.close()