bootstrap_visitor.py 2.2 KB

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  1. import string
  2. from primitives_visitor import PrimitivesVisitor
  3. class BootstrapVisitor(PrimitivesVisitor):
  4. def __init__(self, args):
  5. PrimitivesVisitor.__init__(self, args)
  6. def dump(self):
  7. link_id = 0
  8. call = self.value("call")
  9. access = self.value("access")
  10. resolve = self.value("resolve")
  11. main = self.value('"__main"')
  12. self.dict(resolve, "var", main)
  13. self.dict(access, "var", resolve)
  14. self.dict(call, "func", access)
  15. self.dict(self.last_instruction, "next", call)
  16. output = []
  17. for t, data in self.output:
  18. if t == "N":
  19. output.append("Node auto_%s()\n" % data)
  20. elif t == "V":
  21. name, value = data
  22. name = name if self.first != name else "initial_IP"
  23. output.append("Node auto_%s(%s)\n" % (name, value))
  24. elif t == "D":
  25. source, value, target = data
  26. source = source if self.first != source else "auto_initial_IP"
  27. target = target if self.first != target else "auto_initial_IP"
  28. source = "auto_%s" % source if isinstance(source, int) else source
  29. target = "auto_%s" % target if isinstance(target, int) else target
  30. # output.append("D %s,%s,%s\n" % (source, value, target))
  31. linkname = "%s_%s_%s" % (source, link_id, target)
  32. link_id += 1
  33. output.append("Edge _%s_0(%s, %s)\n" % (linkname, source, target))
  34. output.append("Node _%s_2(%s)\n" % (linkname, value))
  35. output.append("Edge _%s_1(_%s_0, _%s_2)\n" % (linkname, linkname, linkname))
  36. elif t == "E":
  37. name, source, target = data
  38. source = source if self.first != source else "auto_initial_IP"
  39. target = target if self.first != target else "auto_initial_IP"
  40. name = "auto_%s" % name if isinstance(name, int) else name
  41. source = "auto_%s" % source if isinstance(source, int) else source
  42. target = "auto_%s" % target if isinstance(target, int) else target
  43. output.append("Edge _%s(_%s, _%s)\n" % (name, source, target))
  44. return ''.join(output)