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ðŸ“„ pycore_abstract.h(611 B)
ðŸ“„ pycore_asdl.h(2.96 KB)
ðŸ“„ pycore_ast.h(30.55 KB)
ðŸ“„ pycore_ast_state.h(6.59 KB)
ðŸ“„ pycore_atexit.h(1.12 KB)
ðŸ“„ pycore_atomic.h(16.58 KB)
ðŸ“„ pycore_atomic_funcs.h(2.38 KB)
ðŸ“„ pycore_bitutils.h(5.92 KB)
ðŸ“„ pycore_blocks_output_buffer.h(8.48 KB)
ðŸ“„ pycore_bytes_methods.h(3.3 KB)
ðŸ“„ pycore_bytesobject.h(1.31 KB)
ðŸ“„ pycore_call.h(3.83 KB)
ðŸ“„ pycore_ceval.h(5.14 KB)
ðŸ“„ pycore_ceval_state.h(2.68 KB)
ðŸ“„ pycore_code.h(15.46 KB)
ðŸ“„ pycore_compile.h(3.37 KB)
ðŸ“„ pycore_condvar.h(2.84 KB)
ðŸ“„ pycore_context.h(1.27 KB)
ðŸ“„ pycore_descrobject.h(499 B)
ðŸ“„ pycore_dict.h(6.23 KB)
ðŸ“„ pycore_dict_state.h(1.07 KB)
ðŸ“„ pycore_dtoa.h(1.58 KB)
ðŸ“„ pycore_emscripten_signal.h(562 B)
ðŸ“„ pycore_exceptions.h(842 B)
ðŸ“„ pycore_faulthandler.h(2.17 KB)
ðŸ“„ pycore_fileutils.h(7.72 KB)
ðŸ“„ pycore_fileutils_windows.h(2.66 KB)
ðŸ“„ pycore_floatobject.h(1.54 KB)
ðŸ“„ pycore_flowgraph.h(4.52 KB)
ðŸ“„ pycore_format.h(480 B)
ðŸ“„ pycore_frame.h(9.04 KB)
ðŸ“„ pycore_function.h(611 B)
ðŸ“„ pycore_gc.h(7.48 KB)
ðŸ“„ pycore_genobject.h(1.16 KB)
ðŸ“„ pycore_getopt.h(490 B)
ðŸ“„ pycore_gil.h(1.53 KB)
ðŸ“„ pycore_global_objects.h(2.96 KB)
ðŸ“„ pycore_global_objects_fini_generated.h(112.66 KB)
ðŸ“„ pycore_global_strings.h(24.84 KB)
ðŸ“„ pycore_hamt.h(3.65 KB)
ðŸ“„ pycore_hashtable.h(4.19 KB)
ðŸ“„ pycore_import.h(6.21 KB)
ðŸ“„ pycore_initconfig.h(5.57 KB)
ðŸ“„ pycore_instruments.h(2.93 KB)
ðŸ“„ pycore_interp.h(8.87 KB)
ðŸ“„ pycore_intrinsics.h(1.36 KB)
ðŸ“„ pycore_list.h(1.93 KB)
ðŸ“„ pycore_long.h(7.62 KB)
ðŸ“„ pycore_memoryobject.h(383 B)
ðŸ“„ pycore_moduleobject.h(1.16 KB)
ðŸ“„ pycore_namespace.h(392 B)
ðŸ“„ pycore_object.h(14.57 KB)
ðŸ“„ pycore_object_state.h(1016 B)
ðŸ“„ pycore_obmalloc.h(26.64 KB)
ðŸ“„ pycore_obmalloc_init.h(2.04 KB)
ðŸ“„ pycore_opcode.h(19.61 KB)
ðŸ“„ pycore_opcode_utils.h(2.62 KB)
ðŸ“„ pycore_parser.h(1.33 KB)
ðŸ“„ pycore_pathconfig.h(606 B)
ðŸ“„ pycore_pyarena.h(2.67 KB)
ðŸ“„ pycore_pyerrors.h(3.04 KB)
ðŸ“„ pycore_pyhash.h(709 B)
ðŸ“„ pycore_pylifecycle.h(3.29 KB)
ðŸ“„ pycore_pymath.h(8.4 KB)
ðŸ“„ pycore_pymem.h(2.97 KB)
ðŸ“„ pycore_pymem_init.h(2.59 KB)
ðŸ“„ pycore_pystate.h(4.87 KB)
ðŸ“„ pycore_pythread.h(2.03 KB)
ðŸ“„ pycore_range.h(346 B)
ðŸ“„ pycore_runtime.h(8.23 KB)
ðŸ“„ pycore_runtime_init.h(5.77 KB)
ðŸ“„ pycore_runtime_init_generated.h(44.68 KB)
ðŸ“„ pycore_signal.h(2.55 KB)
ðŸ“„ pycore_sliceobject.h(414 B)
ðŸ“„ pycore_strhex.h(937 B)
ðŸ“„ pycore_structseq.h(923 B)
ðŸ“„ pycore_symtable.h(6.87 KB)
ðŸ“„ pycore_sysmodule.h(999 B)
ðŸ“„ pycore_time.h(388 B)
ðŸ“„ pycore_token.h(2.98 KB)
ðŸ“„ pycore_traceback.h(3.42 KB)
ðŸ“„ pycore_tracemalloc.h(3 KB)
ðŸ“„ pycore_tuple.h(2.15 KB)
ðŸ“„ pycore_typeobject.h(4.62 KB)
ðŸ“„ pycore_typevarobject.h(763 B)
ðŸ“„ pycore_ucnhash.h(898 B)
ðŸ“„ pycore_unicodeobject.h(2.59 KB)
ðŸ“„ pycore_unicodeobject_generated.h(122.57 KB)
ðŸ“„ pycore_unionobject.h(682 B)
ðŸ“„ pycore_warnings.h(740 B)

Editing: pycore_hamt.h

#ifndef Py_INTERNAL_HAMT_H
#define Py_INTERNAL_HAMT_H

#ifndef Py_BUILD_CORE
#  error "this header requires Py_BUILD_CORE define"
#endif

/*
HAMT tree is shaped by hashes of keys. Every group of 5 bits of a hash denotes
the exact position of the key in one level of the tree. Since we're using
32 bit hashes, we can have at most 7 such levels. Although if there are
two distinct keys with equal hashes, they will have to occupy the same
cell in the 7th level of the tree -- so we'd put them in a "collision" node.
Which brings the total possible tree depth to 8. Read more about the actual
layout of the HAMT tree in `hamt.c`.

This constant is used to define a datastucture for storing iteration state.
*/
#define _Py_HAMT_MAX_TREE_DEPTH 8

extern PyTypeObject _PyHamt_Type;
extern PyTypeObject _PyHamt_ArrayNode_Type;
extern PyTypeObject _PyHamt_BitmapNode_Type;
extern PyTypeObject _PyHamt_CollisionNode_Type;
extern PyTypeObject _PyHamtKeys_Type;
extern PyTypeObject _PyHamtValues_Type;
extern PyTypeObject _PyHamtItems_Type;

/* other API */

#define PyHamt_Check(o) Py_IS_TYPE((o), &_PyHamt_Type)

/* Abstract tree node. */
typedef struct {
    PyObject_HEAD
} PyHamtNode;

/* An HAMT immutable mapping collection. */
typedef struct {
    PyObject_HEAD
    PyHamtNode *h_root;
    PyObject *h_weakreflist;
    Py_ssize_t h_count;
} PyHamtObject;

typedef struct {
    PyObject_VAR_HEAD
    uint32_t b_bitmap;
    PyObject *b_array[1];
} PyHamtNode_Bitmap;

/* A struct to hold the state of depth-first traverse of the tree.

HAMT is an immutable collection.  Iterators will hold a strong reference
   to it, and every node in the HAMT has strong references to its children.

So for iterators, we can implement zero allocations and zero reference
   inc/dec depth-first iteration.

- i_nodes: an array of seven pointers to tree nodes
   - i_level: the current node in i_nodes
   - i_pos: an array of positions within nodes in i_nodes.
*/
typedef struct {
    PyHamtNode *i_nodes[_Py_HAMT_MAX_TREE_DEPTH];
    Py_ssize_t i_pos[_Py_HAMT_MAX_TREE_DEPTH];
    int8_t i_level;
} PyHamtIteratorState;

/* Base iterator object.

Contains the iteration state, a pointer to the HAMT tree,
   and a pointer to the 'yield function'.  The latter is a simple
   function that returns a key/value tuple for the 'Items' iterator,
   just a key for the 'Keys' iterator, and a value for the 'Values'
   iterator.
*/
typedef struct {
    PyObject_HEAD
    PyHamtObject *hi_obj;
    PyHamtIteratorState hi_iter;
    binaryfunc hi_yield;
} PyHamtIterator;

/* Create a new HAMT immutable mapping. */
PyHamtObject * _PyHamt_New(void);

/* Return a new collection based on "o", but with an additional
   key/val pair. */
PyHamtObject * _PyHamt_Assoc(PyHamtObject *o, PyObject *key, PyObject *val);

/* Return a new collection based on "o", but without "key". */
PyHamtObject * _PyHamt_Without(PyHamtObject *o, PyObject *key);

/* Find "key" in the "o" collection.

Return:
   - -1: An error occurred.
   - 0: "key" wasn't found in "o".
   - 1: "key" is in "o"; "*val" is set to its value (a borrowed ref).
*/
int _PyHamt_Find(PyHamtObject *o, PyObject *key, PyObject **val);

/* Check if "v" is equal to "w".

Return:
   - 0: v != w
   - 1: v == w
   - -1: An error occurred.
*/
int _PyHamt_Eq(PyHamtObject *v, PyHamtObject *w);

/* Return the size of "o"; equivalent of "len(o)". */
Py_ssize_t _PyHamt_Len(PyHamtObject *o);

/* Return a Keys iterator over "o". */
PyObject * _PyHamt_NewIterKeys(PyHamtObject *o);

/* Return a Values iterator over "o". */
PyObject * _PyHamt_NewIterValues(PyHamtObject *o);

/* Return a Items iterator over "o". */
PyObject * _PyHamt_NewIterItems(PyHamtObject *o);

#endif /* !Py_INTERNAL_HAMT_H */

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