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bpo-43693: Revert commits 2c1e2583fd and b2bf2bc1ec (GH-26530)

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* Revert "bpo-43693: Compute deref offsets in compiler (gh-25152)"

This reverts commit b2bf2bc1ec.

* Revert "bpo-43693: Add new internal code objects fields: co_fastlocalnames and co_fastlocalkinds. (gh-26388)"

This reverts commit 2c1e2583fd.

These two commits are breaking the refleak buildbots.
This commit is contained in:
Pablo Galindo 2021-06-04 17:51:05 +01:00 • committed by GitHub
parent a46c220edc
commit 17c4edc4e0
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GPG key ID: 4AEE18F83AFDEB23
23 changed files with 5707 additions and 6028 deletions
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20
Include/cpython/code.h
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@ -3,8 +3,6 @@
#endif
typedef uint16_t _Py_CODEUNIT;
// Each oparg must fit in the second half of _Py_CODEUNIT, hence 8 bits.
#define _Py_MAX_OPARG 255
#ifdef WORDS_BIGENDIAN
# define _Py_OPCODE(word) ((word) >> 8)
@ -16,11 +14,6 @@ typedef uint16_t _Py_CODEUNIT;
typedef struct _PyOpcache _PyOpcache;
// These are duplicated from pycore_code.h.
typedef unsigned char _PyLocalsPlusKind;
typedef _PyLocalsPlusKind *_PyLocalsPlusKinds;
/* Bytecode object */
struct PyCodeObject {
PyObject_HEAD
@ -60,8 +53,9 @@ struct PyCodeObject {
int co_kwonlyargcount; /* #keyword only arguments */
int co_stacksize; /* #entries needed for evaluation stack */
int co_firstlineno; /* first source line number */
PyObject *co_localsplusnames; /* tuple mapping offsets to names */
_PyLocalsPlusKinds co_localspluskinds; /* array mapping to local kinds */
PyObject *co_varnames; /* tuple of strings (local variable names) */
PyObject *co_cellvars; /* tuple of strings (cell variable names) */
PyObject *co_freevars; /* tuple of strings (free variable names) */
PyObject *co_filename; /* unicode (where it was loaded from) */
PyObject *co_name; /* unicode (name, for reference) */
PyObject *co_linetable; /* string (encoding addr<->lineno mapping) See
@ -71,15 +65,11 @@ struct PyCodeObject {
/* These fields are set with computed values on new code objects. */
int *co_cell2arg; /* Maps cell vars which are arguments. */
// redundant values (derived from co_localsplusnames and co_localspluskinds)
// These are redundant but offer some performance benefit.
int co_nlocalsplus; /* number of local + cell + free variables */
int co_nlocals; /* number of local variables */
int co_ncellvars; /* number of cell variables */
int co_nfreevars; /* number of free variables */
// lazily-computed values
PyObject *co_varnames; /* tuple of strings (local variable names) */
PyObject *co_cellvars; /* tuple of strings (cell variable names) */
PyObject *co_freevars; /* tuple of strings (free variable names) */
/* The remaining fields are zeroed out on new code objects. */
@ -153,7 +143,7 @@ struct PyCodeObject {
PyAPI_DATA(PyTypeObject) PyCode_Type;
#define PyCode_Check(op) Py_IS_TYPE(op, &PyCode_Type)
#define PyCode_GetNumFree(op) ((op)->co_nfreevars)
#define PyCode_GetNumFree(op) (PyTuple_GET_SIZE((op)->co_freevars))
/* Public interface */
PyAPI_FUNC(PyCodeObject *) PyCode_New(