Python开发【源码剖析】 Dict对象

static void ShowDictObject(PyDictObject* dictObject)

{

    PyDictEntry* entry = dictObject->ma_table;

    int count = dictObject->ma_mask+1;

    int i;

    //输出key

    printf("  key : ");

    for(i = 0; i < count; ++i) {

    PyObject* key = entry->me_key;

    PyObject* value = entry->me_value;

    if(key == NULL) {

      printf("NULL");

    }

    else {

      if(PyString_Check(key)) {

        if(PyString_AsString(key)[0] == '<') {

          printf("dummy");

        }

        else {

          (key->ob_type)->tp_print(key, stdout, 0);

        }

      }

      else{

        (key->ob_type)->tp_print(key, stdout, 0);

      }

    }

    printf("\t");

    ++entry;

    }

    //输出value

    printf("\nvalue : ");

    entry = dictObject->ma_table;

    for(i = 0; i < count; ++i) {

    PyObject* key = entry->me_key;

    PyObject* value = entry->me_value;

    if(value == NULL) {

      printf("NULL");

    }

    else {

      (key->ob_type)->tp_print(value, stdout, 0);

    }

    printf("\t");

    ++entry;

    }

    printf("\n");

}

static void IsTestDictObject(PyDictObject* mp,PyObject *key,Py_ssize_t n_used) 

{

    PyDictEntry *p;

    long strHash;

    PyObject* str = PyString_FromString("test");

    strHash = PyObject_Hash(str);

    p = mp->ma_lookup(mp, str, strHash);

    if(p->me_value != NULL && (key->ob_type)->tp_name[0] == 'i') {

    	PyIntObject* intObject = (PyIntObject*)key;

    	printf("insert %d\n", intObject->ob_ival);

    	ShowDictObject(mp);

    	printf("n_used=%d\tma_used=%d\t ma_fill=%d\t ma_mask=%d\n",n_used,mp->ma_used,mp->ma_fill,mp->ma_mask);

    }

}