bootstrap_visitor.py 2.3 KB

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  1. import string
  2. from hutn_compiler.primitives_visitor import PrimitivesVisitor, Action
  3. class BootstrapVisitor(PrimitivesVisitor):
  4. def __init__(self, args):
  5. PrimitivesVisitor.__init__(self, args)
  6. self.main = "--main" in args
  7. for f in args:
  8. if "--prepend:" in f:
  9. self.prepend_name = f.split(":", 1)[1]
  10. break
  11. else:
  12. self.prepend_name = "auto"
  13. def rename(self, name):
  14. if name == "initial_IP":
  15. return "%s_%s" % (self.prepend_name, name)
  16. else:
  17. return "%s_%s" % (self.prepend_name, name) if isinstance(name, int) else name
  18. def dump(self):
  19. if self.main:
  20. call = self.value(Action("call"))
  21. access = self.value(Action("access"))
  22. resolve = self.value(Action("resolve"))
  23. main = self.value("__main")
  24. self.dict(resolve, "var", main)
  25. self.dict(access, "var", resolve)
  26. self.dict(call, "func", access)
  27. self.dict(self.last_instruction, "next", call)
  28. ret = self.value(Action("return"))
  29. self.dict(call, "next", ret)
  30. output = []
  31. for t, data in self.output:
  32. if t == "N":
  33. output.append("Node %s_%s()\n" % (self.prepend_name, data))
  34. elif t == "V":
  35. name, value = data
  36. name = name if self.first != name else "initial_IP"
  37. output.append("Node %s_%s(%s)\n" % (self.prepend_name, name, value))
  38. elif t == "D":
  39. source, value, target = data
  40. source = source if self.first != source else "initial_IP"
  41. target = target if self.first != target else "initial_IP"
  42. source = self.rename(source)
  43. target = self.rename(target)
  44. output.append("Dict (%s, %s, %s)\n" % (source, value, target))
  45. elif t == "E":
  46. name, source, target = data
  47. source = source if self.first != source else "initial_IP"
  48. target = target if self.first != target else "initial_IP"
  49. name = self.rename(name)
  50. source = self.rename(source)
  51. target = self.rename(target)
  52. output.append("Edge _%s(_%s, _%s)\n" % (name, source, target))
  53. return ''.join(output)