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authormonster <monster@ydb.tech>2022-07-07 14:41:37 +0300
committermonster <monster@ydb.tech>2022-07-07 14:41:37 +0300
commit06e5c21a835c0e923506c4ff27929f34e00761c2 (patch)
tree75efcbc6854ef9bd476eb8bf00cc5c900da436a2 /contrib/tools/python3/src/Objects/codeobject.c
parent03f024c4412e3aa613bb543cf1660176320ba8f4 (diff)
downloadydb-06e5c21a835c0e923506c4ff27929f34e00761c2.tar.gz
fix ya.make
Diffstat (limited to 'contrib/tools/python3/src/Objects/codeobject.c')
-rw-r--r--contrib/tools/python3/src/Objects/codeobject.c1356
1 files changed, 0 insertions, 1356 deletions
diff --git a/contrib/tools/python3/src/Objects/codeobject.c b/contrib/tools/python3/src/Objects/codeobject.c
deleted file mode 100644
index c9f922707e9..00000000000
--- a/contrib/tools/python3/src/Objects/codeobject.c
+++ /dev/null
@@ -1,1356 +0,0 @@
-#include <stdbool.h>
-
-#include "Python.h"
-#include "code.h"
-#include "opcode.h"
-#include "structmember.h" // PyMemberDef
-#include "pycore_code.h" // _PyOpcache
-#include "pycore_interp.h" // PyInterpreterState.co_extra_freefuncs
-#include "pycore_pystate.h" // _PyInterpreterState_GET()
-#include "pycore_tuple.h" // _PyTuple_ITEMS()
-#include "clinic/codeobject.c.h"
-
-/* Holder for co_extra information */
-typedef struct {
- Py_ssize_t ce_size;
- void *ce_extras[1];
-} _PyCodeObjectExtra;
-
-/*[clinic input]
-class code "PyCodeObject *" "&PyCode_Type"
-[clinic start generated code]*/
-/*[clinic end generated code: output=da39a3ee5e6b4b0d input=78aa5d576683bb4b]*/
-
-/* all_name_chars(s): true iff s matches [a-zA-Z0-9_]* */
-static int
-all_name_chars(PyObject *o)
-{
- const unsigned char *s, *e;
-
- if (!PyUnicode_IS_ASCII(o))
- return 0;
-
- s = PyUnicode_1BYTE_DATA(o);
- e = s + PyUnicode_GET_LENGTH(o);
- for (; s != e; s++) {
- if (!Py_ISALNUM(*s) && *s != '_')
- return 0;
- }
- return 1;
-}
-
-static int
-intern_strings(PyObject *tuple)
-{
- Py_ssize_t i;
-
- for (i = PyTuple_GET_SIZE(tuple); --i >= 0; ) {
- PyObject *v = PyTuple_GET_ITEM(tuple, i);
- if (v == NULL || !PyUnicode_CheckExact(v)) {
- PyErr_SetString(PyExc_SystemError,
- "non-string found in code slot");
- return -1;
- }
- PyUnicode_InternInPlace(&_PyTuple_ITEMS(tuple)[i]);
- }
- return 0;
-}
-
-/* Intern selected string constants */
-static int
-intern_string_constants(PyObject *tuple, int *modified)
-{
- for (Py_ssize_t i = PyTuple_GET_SIZE(tuple); --i >= 0; ) {
- PyObject *v = PyTuple_GET_ITEM(tuple, i);
- if (PyUnicode_CheckExact(v)) {
- if (PyUnicode_READY(v) == -1) {
- return -1;
- }
-
- if (all_name_chars(v)) {
- PyObject *w = v;
- PyUnicode_InternInPlace(&v);
- if (w != v) {
- PyTuple_SET_ITEM(tuple, i, v);
- if (modified) {
- *modified = 1;
- }
- }
- }
- }
- else if (PyTuple_CheckExact(v)) {
- if (intern_string_constants(v, NULL) < 0) {
- return -1;
- }
- }
- else if (PyFrozenSet_CheckExact(v)) {
- PyObject *w = v;
- PyObject *tmp = PySequence_Tuple(v);
- if (tmp == NULL) {
- return -1;
- }
- int tmp_modified = 0;
- if (intern_string_constants(tmp, &tmp_modified) < 0) {
- Py_DECREF(tmp);
- return -1;
- }
- if (tmp_modified) {
- v = PyFrozenSet_New(tmp);
- if (v == NULL) {
- Py_DECREF(tmp);
- return -1;
- }
-
- PyTuple_SET_ITEM(tuple, i, v);
- Py_DECREF(w);
- if (modified) {
- *modified = 1;
- }
- }
- Py_DECREF(tmp);
- }
- }
- return 0;
-}
-
-PyCodeObject *
-PyCode_NewWithPosOnlyArgs(int argcount, int posonlyargcount, int kwonlyargcount,
- int nlocals, int stacksize, int flags,
- PyObject *code, PyObject *consts, PyObject *names,
- PyObject *varnames, PyObject *freevars, PyObject *cellvars,
- PyObject *filename, PyObject *name, int firstlineno,
- PyObject *linetable)
-{
- PyCodeObject *co;
- Py_ssize_t *cell2arg = NULL;
- Py_ssize_t i, n_cellvars, n_varnames, total_args;
-
- /* Check argument types */
- if (argcount < posonlyargcount || posonlyargcount < 0 ||
- kwonlyargcount < 0 || nlocals < 0 ||
- stacksize < 0 || flags < 0 ||
- code == NULL || !PyBytes_Check(code) ||
- consts == NULL || !PyTuple_Check(consts) ||
- names == NULL || !PyTuple_Check(names) ||
- varnames == NULL || !PyTuple_Check(varnames) ||
- freevars == NULL || !PyTuple_Check(freevars) ||
- cellvars == NULL || !PyTuple_Check(cellvars) ||
- name == NULL || !PyUnicode_Check(name) ||
- filename == NULL || !PyUnicode_Check(filename) ||
- linetable == NULL || !PyBytes_Check(linetable)) {
- PyErr_BadInternalCall();
- return NULL;
- }
-
- /* Ensure that strings are ready Unicode string */
- if (PyUnicode_READY(name) < 0) {
- return NULL;
- }
- if (PyUnicode_READY(filename) < 0) {
- return NULL;
- }
-
- if (intern_strings(names) < 0) {
- return NULL;
- }
- if (intern_strings(varnames) < 0) {
- return NULL;
- }
- if (intern_strings(freevars) < 0) {
- return NULL;
- }
- if (intern_strings(cellvars) < 0) {
- return NULL;
- }
- if (intern_string_constants(consts, NULL) < 0) {
- return NULL;
- }
-
- /* Make sure that code is indexable with an int, this is
- a long running assumption in ceval.c and many parts of
- the interpreter. */
- if (PyBytes_GET_SIZE(code) > INT_MAX) {
- PyErr_SetString(PyExc_OverflowError, "co_code larger than INT_MAX");
- return NULL;
- }
-
- /* Check for any inner or outer closure references */
- n_cellvars = PyTuple_GET_SIZE(cellvars);
- if (!n_cellvars && !PyTuple_GET_SIZE(freevars)) {
- flags |= CO_NOFREE;
- } else {
- flags &= ~CO_NOFREE;
- }
-
- n_varnames = PyTuple_GET_SIZE(varnames);
- if (argcount <= n_varnames && kwonlyargcount <= n_varnames) {
- /* Never overflows. */
- total_args = (Py_ssize_t)argcount + (Py_ssize_t)kwonlyargcount +
- ((flags & CO_VARARGS) != 0) + ((flags & CO_VARKEYWORDS) != 0);
- }
- else {
- total_args = n_varnames + 1;
- }
- if (total_args > n_varnames) {
- PyErr_SetString(PyExc_ValueError, "code: varnames is too small");
- return NULL;
- }
-
- /* Create mapping between cells and arguments if needed. */
- if (n_cellvars) {
- bool used_cell2arg = false;
- cell2arg = PyMem_NEW(Py_ssize_t, n_cellvars);
- if (cell2arg == NULL) {
- PyErr_NoMemory();
- return NULL;
- }
- /* Find cells which are also arguments. */
- for (i = 0; i < n_cellvars; i++) {
- Py_ssize_t j;
- PyObject *cell = PyTuple_GET_ITEM(cellvars, i);
- cell2arg[i] = CO_CELL_NOT_AN_ARG;
- for (j = 0; j < total_args; j++) {
- PyObject *arg = PyTuple_GET_ITEM(varnames, j);
- int cmp = PyUnicode_Compare(cell, arg);
- if (cmp == -1 && PyErr_Occurred()) {
- PyMem_Free(cell2arg);
- return NULL;
- }
- if (cmp == 0) {
- cell2arg[i] = j;
- used_cell2arg = true;
- break;
- }
- }
- }
- if (!used_cell2arg) {
- PyMem_Free(cell2arg);
- cell2arg = NULL;
- }
- }
- co = PyObject_New(PyCodeObject, &PyCode_Type);
- if (co == NULL) {
- if (cell2arg)
- PyMem_Free(cell2arg);
- return NULL;
- }
- co->co_argcount = argcount;
- co->co_posonlyargcount = posonlyargcount;
- co->co_kwonlyargcount = kwonlyargcount;
- co->co_nlocals = nlocals;
- co->co_stacksize = stacksize;
- co->co_flags = flags;
- Py_INCREF(code);
- co->co_code = code;
- Py_INCREF(consts);
- co->co_consts = consts;
- Py_INCREF(names);
- co->co_names = names;
- Py_INCREF(varnames);
- co->co_varnames = varnames;
- Py_INCREF(freevars);
- co->co_freevars = freevars;
- Py_INCREF(cellvars);
- co->co_cellvars = cellvars;
- co->co_cell2arg = cell2arg;
- Py_INCREF(filename);
- co->co_filename = filename;
- Py_INCREF(name);
- co->co_name = name;
- co->co_firstlineno = firstlineno;
- Py_INCREF(linetable);
- co->co_linetable = linetable;
- co->co_zombieframe = NULL;
- co->co_weakreflist = NULL;
- co->co_extra = NULL;
-
- co->co_opcache_map = NULL;
- co->co_opcache = NULL;
- co->co_opcache_flag = 0;
- co->co_opcache_size = 0;
- return co;
-}
-
-PyCodeObject *
-PyCode_New(int argcount, int kwonlyargcount,
- int nlocals, int stacksize, int flags,
- PyObject *code, PyObject *consts, PyObject *names,
- PyObject *varnames, PyObject *freevars, PyObject *cellvars,
- PyObject *filename, PyObject *name, int firstlineno,
- PyObject *linetable)
-{
- return PyCode_NewWithPosOnlyArgs(argcount, 0, kwonlyargcount, nlocals,
- stacksize, flags, code, consts, names,
- varnames, freevars, cellvars, filename,
- name, firstlineno, linetable);
-}
-
-int
-_PyCode_InitOpcache(PyCodeObject *co)
-{
- Py_ssize_t co_size = PyBytes_Size(co->co_code) / sizeof(_Py_CODEUNIT);
- co->co_opcache_map = (unsigned char *)PyMem_Calloc(co_size, 1);
- if (co->co_opcache_map == NULL) {
- return -1;
- }
-
- const _Py_CODEUNIT *opcodes = (_Py_CODEUNIT*)PyBytes_AS_STRING(co->co_code);
- Py_ssize_t opts = 0;
-
- for (Py_ssize_t i = 0; i < co_size;) {
- unsigned char opcode = _Py_OPCODE(opcodes[i]);
- i++; // 'i' is now aligned to (next_instr - first_instr)
-
- // TODO: LOAD_METHOD
- if (opcode == LOAD_GLOBAL || opcode == LOAD_ATTR) {
- opts++;
- co->co_opcache_map[i] = (unsigned char)opts;
- if (opts > 254) {
- break;
- }
- }
- }
-
- if (opts) {
- co->co_opcache = (_PyOpcache *)PyMem_Calloc(opts, sizeof(_PyOpcache));
- if (co->co_opcache == NULL) {
- PyMem_Free(co->co_opcache_map);
- return -1;
- }
- }
- else {
- PyMem_Free(co->co_opcache_map);
- co->co_opcache_map = NULL;
- co->co_opcache = NULL;
- }
-
- co->co_opcache_size = (unsigned char)opts;
- return 0;
-}
-
-PyCodeObject *
-PyCode_NewEmpty(const char *filename, const char *funcname, int firstlineno)
-{
- static PyObject *emptystring = NULL;
- static PyObject *nulltuple = NULL;
- PyObject *filename_ob = NULL;
- PyObject *funcname_ob = NULL;
- PyCodeObject *result = NULL;
- if (emptystring == NULL) {
- emptystring = PyBytes_FromString("");
- if (emptystring == NULL)
- goto failed;
- }
- if (nulltuple == NULL) {
- nulltuple = PyTuple_New(0);
- if (nulltuple == NULL)
- goto failed;
- }
- funcname_ob = PyUnicode_FromString(funcname);
- if (funcname_ob == NULL)
- goto failed;
- filename_ob = PyUnicode_DecodeFSDefault(filename);
- if (filename_ob == NULL)
- goto failed;
-
- result = PyCode_NewWithPosOnlyArgs(
- 0, /* argcount */
- 0, /* posonlyargcount */
- 0, /* kwonlyargcount */
- 0, /* nlocals */
- 0, /* stacksize */
- 0, /* flags */
- emptystring, /* code */
- nulltuple, /* consts */
- nulltuple, /* names */
- nulltuple, /* varnames */
- nulltuple, /* freevars */
- nulltuple, /* cellvars */
- filename_ob, /* filename */
- funcname_ob, /* name */
- firstlineno, /* firstlineno */
- emptystring /* linetable */
- );
-
-failed:
- Py_XDECREF(funcname_ob);
- Py_XDECREF(filename_ob);
- return result;
-}
-
-#define OFF(x) offsetof(PyCodeObject, x)
-
-static PyMemberDef code_memberlist[] = {
- {"co_argcount", T_INT, OFF(co_argcount), READONLY},
- {"co_posonlyargcount", T_INT, OFF(co_posonlyargcount), READONLY},
- {"co_kwonlyargcount", T_INT, OFF(co_kwonlyargcount), READONLY},
- {"co_nlocals", T_INT, OFF(co_nlocals), READONLY},
- {"co_stacksize",T_INT, OFF(co_stacksize), READONLY},
- {"co_flags", T_INT, OFF(co_flags), READONLY},
- {"co_code", T_OBJECT, OFF(co_code), READONLY},
- {"co_consts", T_OBJECT, OFF(co_consts), READONLY},
- {"co_names", T_OBJECT, OFF(co_names), READONLY},
- {"co_varnames", T_OBJECT, OFF(co_varnames), READONLY},
- {"co_freevars", T_OBJECT, OFF(co_freevars), READONLY},
- {"co_cellvars", T_OBJECT, OFF(co_cellvars), READONLY},
- {"co_filename", T_OBJECT, OFF(co_filename), READONLY},
- {"co_name", T_OBJECT, OFF(co_name), READONLY},
- {"co_firstlineno", T_INT, OFF(co_firstlineno), READONLY},
- {"co_linetable", T_OBJECT, OFF(co_linetable), READONLY},
- {NULL} /* Sentinel */
-};
-
-static int
-emit_pair(PyObject **bytes, int *offset, int a, int b)
-{
- Py_ssize_t len = PyBytes_GET_SIZE(*bytes);
- if (*offset + 2 >= len) {
- if (_PyBytes_Resize(bytes, len * 2) < 0)
- return 0;
- }
- unsigned char *lnotab = (unsigned char *) PyBytes_AS_STRING(*bytes);
- lnotab += *offset;
- *lnotab++ = a;
- *lnotab++ = b;
- *offset += 2;
- return 1;
-}
-
-static int
-emit_delta(PyObject **bytes, int bdelta, int ldelta, int *offset)
-{
- while (bdelta > 255) {
- if (!emit_pair(bytes, offset, 255, 0)) {
- return 0;
- }
- bdelta -= 255;
- }
- while (ldelta > 127) {
- if (!emit_pair(bytes, offset, bdelta, 127)) {
- return 0;
- }
- bdelta = 0;
- ldelta -= 127;
- }
- while (ldelta < -128) {
- if (!emit_pair(bytes, offset, bdelta, -128)) {
- return 0;
- }
- bdelta = 0;
- ldelta += 128;
- }
- return emit_pair(bytes, offset, bdelta, ldelta);
-}
-
-static PyObject *
-code_getlnotab(PyCodeObject *code, void *closure)
-{
- PyCodeAddressRange bounds;
- PyObject *bytes;
- int table_offset = 0;
- int code_offset = 0;
- int line = code->co_firstlineno;
- bytes = PyBytes_FromStringAndSize(NULL, 64);
- if (bytes == NULL) {
- return NULL;
- }
- _PyCode_InitAddressRange(code, &bounds);
- while (PyLineTable_NextAddressRange(&bounds)) {
- if (bounds.opaque.computed_line != line) {
- int bdelta = bounds.ar_start - code_offset;
- int ldelta = bounds.opaque.computed_line - line;
- if (!emit_delta(&bytes, bdelta, ldelta, &table_offset)) {
- Py_DECREF(bytes);
- return NULL;
- }
- code_offset = bounds.ar_start;
- line = bounds.opaque.computed_line;
- }
- }
- _PyBytes_Resize(&bytes, table_offset);
- return bytes;
-}
-
-
-static PyGetSetDef code_getsetlist[] = {
- {"co_lnotab", (getter)code_getlnotab, NULL, NULL},
- {0}
-};
-
-
-/* Helper for code_new: return a shallow copy of a tuple that is
- guaranteed to contain exact strings, by converting string subclasses
- to exact strings and complaining if a non-string is found. */
-static PyObject*
-validate_and_copy_tuple(PyObject *tup)
-{
- PyObject *newtuple;
- PyObject *item;
- Py_ssize_t i, len;
-
- len = PyTuple_GET_SIZE(tup);
- newtuple = PyTuple_New(len);
- if (newtuple == NULL)
- return NULL;
-
- for (i = 0; i < len; i++) {
- item = PyTuple_GET_ITEM(tup, i);
- if (PyUnicode_CheckExact(item)) {
- Py_INCREF(item);
- }
- else if (!PyUnicode_Check(item)) {
- PyErr_Format(
- PyExc_TypeError,
- "name tuples must contain only "
- "strings, not '%.500s'",
- Py_TYPE(item)->tp_name);
- Py_DECREF(newtuple);
- return NULL;
- }
- else {
- item = _PyUnicode_Copy(item);
- if (item == NULL) {
- Py_DECREF(newtuple);
- return NULL;
- }
- }
- PyTuple_SET_ITEM(newtuple, i, item);
- }
-
- return newtuple;
-}
-
-/*[clinic input]
-@classmethod
-code.__new__ as code_new
-
- argcount: int
- posonlyargcount: int
- kwonlyargcount: int
- nlocals: int
- stacksize: int
- flags: int
- codestring as code: object(subclass_of="&PyBytes_Type")
- constants as consts: object(subclass_of="&PyTuple_Type")
- names: object(subclass_of="&PyTuple_Type")
- varnames: object(subclass_of="&PyTuple_Type")
- filename: unicode
- name: unicode
- firstlineno: int
- linetable: object(subclass_of="&PyBytes_Type")
- freevars: object(subclass_of="&PyTuple_Type", c_default="NULL") = ()
- cellvars: object(subclass_of="&PyTuple_Type", c_default="NULL") = ()
- /
-
-Create a code object. Not for the faint of heart.
-[clinic start generated code]*/
-
-static PyObject *
-code_new_impl(PyTypeObject *type, int argcount, int posonlyargcount,
- int kwonlyargcount, int nlocals, int stacksize, int flags,
- PyObject *code, PyObject *consts, PyObject *names,
- PyObject *varnames, PyObject *filename, PyObject *name,
- int firstlineno, PyObject *linetable, PyObject *freevars,
- PyObject *cellvars)
-/*[clinic end generated code: output=42c1839b082ba293 input=0ec80da632b99f57]*/
-{
- PyObject *co = NULL;
- PyObject *ournames = NULL;
- PyObject *ourvarnames = NULL;
- PyObject *ourfreevars = NULL;
- PyObject *ourcellvars = NULL;
-
- if (PySys_Audit("code.__new__", "OOOiiiiii",
- code, filename, name, argcount, posonlyargcount,
- kwonlyargcount, nlocals, stacksize, flags) < 0) {
- goto cleanup;
- }
-
- if (argcount < 0) {
- PyErr_SetString(
- PyExc_ValueError,
- "code: argcount must not be negative");
- goto cleanup;
- }
-
- if (posonlyargcount < 0) {
- PyErr_SetString(
- PyExc_ValueError,
- "code: posonlyargcount must not be negative");
- goto cleanup;
- }
-
- if (kwonlyargcount < 0) {
- PyErr_SetString(
- PyExc_ValueError,
- "code: kwonlyargcount must not be negative");
- goto cleanup;
- }
- if (nlocals < 0) {
- PyErr_SetString(
- PyExc_ValueError,
- "code: nlocals must not be negative");
- goto cleanup;
- }
-
- ournames = validate_and_copy_tuple(names);
- if (ournames == NULL)
- goto cleanup;
- ourvarnames = validate_and_copy_tuple(varnames);
- if (ourvarnames == NULL)
- goto cleanup;
- if (freevars)
- ourfreevars = validate_and_copy_tuple(freevars);
- else
- ourfreevars = PyTuple_New(0);
- if (ourfreevars == NULL)
- goto cleanup;
- if (cellvars)
- ourcellvars = validate_and_copy_tuple(cellvars);
- else
- ourcellvars = PyTuple_New(0);
- if (ourcellvars == NULL)
- goto cleanup;
-
- co = (PyObject *)PyCode_NewWithPosOnlyArgs(argcount, posonlyargcount,
- kwonlyargcount,
- nlocals, stacksize, flags,
- code, consts, ournames,
- ourvarnames, ourfreevars,
- ourcellvars, filename,
- name, firstlineno, linetable);
- cleanup:
- Py_XDECREF(ournames);
- Py_XDECREF(ourvarnames);
- Py_XDECREF(ourfreevars);
- Py_XDECREF(ourcellvars);
- return co;
-}
-
-static void
-code_dealloc(PyCodeObject *co)
-{
- if (co->co_opcache != NULL) {
- PyMem_Free(co->co_opcache);
- }
- if (co->co_opcache_map != NULL) {
- PyMem_Free(co->co_opcache_map);
- }
- co->co_opcache_flag = 0;
- co->co_opcache_size = 0;
-
- if (co->co_extra != NULL) {
- PyInterpreterState *interp = _PyInterpreterState_GET();
- _PyCodeObjectExtra *co_extra = co->co_extra;
-
- for (Py_ssize_t i = 0; i < co_extra->ce_size; i++) {
- freefunc free_extra = interp->co_extra_freefuncs[i];
-
- if (free_extra != NULL) {
- free_extra(co_extra->ce_extras[i]);
- }
- }
-
- PyMem_Free(co_extra);
- }
-
- Py_XDECREF(co->co_code);
- Py_XDECREF(co->co_consts);
- Py_XDECREF(co->co_names);
- Py_XDECREF(co->co_varnames);
- Py_XDECREF(co->co_freevars);
- Py_XDECREF(co->co_cellvars);
- Py_XDECREF(co->co_filename);
- Py_XDECREF(co->co_name);
- Py_XDECREF(co->co_linetable);
- if (co->co_cell2arg != NULL)
- PyMem_Free(co->co_cell2arg);
- if (co->co_zombieframe != NULL)
- PyObject_GC_Del(co->co_zombieframe);
- if (co->co_weakreflist != NULL)
- PyObject_ClearWeakRefs((PyObject*)co);
- PyObject_Free(co);
-}
-
-static PyObject *
-code_sizeof(PyCodeObject *co, PyObject *Py_UNUSED(args))
-{
- Py_ssize_t res = _PyObject_SIZE(Py_TYPE(co));
- _PyCodeObjectExtra *co_extra = (_PyCodeObjectExtra*) co->co_extra;
-
- if (co->co_cell2arg != NULL && co->co_cellvars != NULL) {
- res += PyTuple_GET_SIZE(co->co_cellvars) * sizeof(Py_ssize_t);
- }
- if (co_extra != NULL) {
- res += sizeof(_PyCodeObjectExtra) +
- (co_extra->ce_size-1) * sizeof(co_extra->ce_extras[0]);
- }
- if (co->co_opcache != NULL) {
- assert(co->co_opcache_map != NULL);
- // co_opcache_map
- res += PyBytes_GET_SIZE(co->co_code) / sizeof(_Py_CODEUNIT);
- // co_opcache
- res += co->co_opcache_size * sizeof(_PyOpcache);
- }
- return PyLong_FromSsize_t(res);
-}
-
-/*[clinic input]
-code.replace
-
- *
- co_argcount: int(c_default="self->co_argcount") = -1
- co_posonlyargcount: int(c_default="self->co_posonlyargcount") = -1
- co_kwonlyargcount: int(c_default="self->co_kwonlyargcount") = -1
- co_nlocals: int(c_default="self->co_nlocals") = -1
- co_stacksize: int(c_default="self->co_stacksize") = -1
- co_flags: int(c_default="self->co_flags") = -1
- co_firstlineno: int(c_default="self->co_firstlineno") = -1
- co_code: PyBytesObject(c_default="(PyBytesObject *)self->co_code") = None
- co_consts: object(subclass_of="&PyTuple_Type", c_default="self->co_consts") = None
- co_names: object(subclass_of="&PyTuple_Type", c_default="self->co_names") = None
- co_varnames: object(subclass_of="&PyTuple_Type", c_default="self->co_varnames") = None
- co_freevars: object(subclass_of="&PyTuple_Type", c_default="self->co_freevars") = None
- co_cellvars: object(subclass_of="&PyTuple_Type", c_default="self->co_cellvars") = None
- co_filename: unicode(c_default="self->co_filename") = None
- co_name: unicode(c_default="self->co_name") = None
- co_linetable: PyBytesObject(c_default="(PyBytesObject *)self->co_linetable") = None
-
-Return a copy of the code object with new values for the specified fields.
-[clinic start generated code]*/
-
-static PyObject *
-code_replace_impl(PyCodeObject *self, int co_argcount,
- int co_posonlyargcount, int co_kwonlyargcount,
- int co_nlocals, int co_stacksize, int co_flags,
- int co_firstlineno, PyBytesObject *co_code,
- PyObject *co_consts, PyObject *co_names,
- PyObject *co_varnames, PyObject *co_freevars,
- PyObject *co_cellvars, PyObject *co_filename,
- PyObject *co_name, PyBytesObject *co_linetable)
-/*[clinic end generated code: output=50d77e668d3b449b input=a5f997b173d7f636]*/
-{
-#define CHECK_INT_ARG(ARG) \
- if (ARG < 0) { \
- PyErr_SetString(PyExc_ValueError, \
- #ARG " must be a positive integer"); \
- return NULL; \
- }
-
- CHECK_INT_ARG(co_argcount);
- CHECK_INT_ARG(co_posonlyargcount);
- CHECK_INT_ARG(co_kwonlyargcount);
- CHECK_INT_ARG(co_nlocals);
- CHECK_INT_ARG(co_stacksize);
- CHECK_INT_ARG(co_flags);
- CHECK_INT_ARG(co_firstlineno);
-
-#undef CHECK_INT_ARG
-
- if (PySys_Audit("code.__new__", "OOOiiiiii",
- co_code, co_filename, co_name, co_argcount,
- co_posonlyargcount, co_kwonlyargcount, co_nlocals,
- co_stacksize, co_flags) < 0) {
- return NULL;
- }
-
- return (PyObject *)PyCode_NewWithPosOnlyArgs(
- co_argcount, co_posonlyargcount, co_kwonlyargcount, co_nlocals,
- co_stacksize, co_flags, (PyObject*)co_code, co_consts, co_names,
- co_varnames, co_freevars, co_cellvars, co_filename, co_name,
- co_firstlineno, (PyObject*)co_linetable);
-}
-
-static PyObject *
-code_repr(PyCodeObject *co)
-{
- int lineno;
- if (co->co_firstlineno != 0)
- lineno = co->co_firstlineno;
- else
- lineno = -1;
- if (co->co_filename && PyUnicode_Check(co->co_filename)) {
- return PyUnicode_FromFormat(
- "<code object %U at %p, file \"%U\", line %d>",
- co->co_name, co, co->co_filename, lineno);
- } else {
- return PyUnicode_FromFormat(
- "<code object %U at %p, file ???, line %d>",
- co->co_name, co, lineno);
- }
-}
-
-PyObject*
-_PyCode_ConstantKey(PyObject *op)
-{
- PyObject *key;
-
- /* Py_None and Py_Ellipsis are singletons. */
- if (op == Py_None || op == Py_Ellipsis
- || PyLong_CheckExact(op)
- || PyUnicode_CheckExact(op)
- /* code_richcompare() uses _PyCode_ConstantKey() internally */
- || PyCode_Check(op))
- {
- /* Objects of these types are always different from object of other
- * type and from tuples. */
- Py_INCREF(op);
- key = op;
- }
- else if (PyBool_Check(op) || PyBytes_CheckExact(op)) {
- /* Make booleans different from integers 0 and 1.
- * Avoid BytesWarning from comparing bytes with strings. */
- key = PyTuple_Pack(2, Py_TYPE(op), op);
- }
- else if (PyFloat_CheckExact(op)) {
- double d = PyFloat_AS_DOUBLE(op);
- /* all we need is to make the tuple different in either the 0.0
- * or -0.0 case from all others, just to avoid the "coercion".
- */
- if (d == 0.0 && copysign(1.0, d) < 0.0)
- key = PyTuple_Pack(3, Py_TYPE(op), op, Py_None);
- else
- key = PyTuple_Pack(2, Py_TYPE(op), op);
- }
- else if (PyComplex_CheckExact(op)) {
- Py_complex z;
- int real_negzero, imag_negzero;
- /* For the complex case we must make complex(x, 0.)
- different from complex(x, -0.) and complex(0., y)
- different from complex(-0., y), for any x and y.
- All four complex zeros must be distinguished.*/
- z = PyComplex_AsCComplex(op);
- real_negzero = z.real == 0.0 && copysign(1.0, z.real) < 0.0;
- imag_negzero = z.imag == 0.0 && copysign(1.0, z.imag) < 0.0;
- /* use True, False and None singleton as tags for the real and imag
- * sign, to make tuples different */
- if (real_negzero && imag_negzero) {
- key = PyTuple_Pack(3, Py_TYPE(op), op, Py_True);
- }
- else if (imag_negzero) {
- key = PyTuple_Pack(3, Py_TYPE(op), op, Py_False);
- }
- else if (real_negzero) {
- key = PyTuple_Pack(3, Py_TYPE(op), op, Py_None);
- }
- else {
- key = PyTuple_Pack(2, Py_TYPE(op), op);
- }
- }
- else if (PyTuple_CheckExact(op)) {
- Py_ssize_t i, len;
- PyObject *tuple;
-
- len = PyTuple_GET_SIZE(op);
- tuple = PyTuple_New(len);
- if (tuple == NULL)
- return NULL;
-
- for (i=0; i < len; i++) {
- PyObject *item, *item_key;
-
- item = PyTuple_GET_ITEM(op, i);
- item_key = _PyCode_ConstantKey(item);
- if (item_key == NULL) {
- Py_DECREF(tuple);
- return NULL;
- }
-
- PyTuple_SET_ITEM(tuple, i, item_key);
- }
-
- key = PyTuple_Pack(2, tuple, op);
- Py_DECREF(tuple);
- }
- else if (PyFrozenSet_CheckExact(op)) {
- Py_ssize_t pos = 0;
- PyObject *item;
- Py_hash_t hash;
- Py_ssize_t i, len;
- PyObject *tuple, *set;
-
- len = PySet_GET_SIZE(op);
- tuple = PyTuple_New(len);
- if (tuple == NULL)
- return NULL;
-
- i = 0;
- while (_PySet_NextEntry(op, &pos, &item, &hash)) {
- PyObject *item_key;
-
- item_key = _PyCode_ConstantKey(item);
- if (item_key == NULL) {
- Py_DECREF(tuple);
- return NULL;
- }
-
- assert(i < len);
- PyTuple_SET_ITEM(tuple, i, item_key);
- i++;
- }
- set = PyFrozenSet_New(tuple);
- Py_DECREF(tuple);
- if (set == NULL)
- return NULL;
-
- key = PyTuple_Pack(2, set, op);
- Py_DECREF(set);
- return key;
- }
- else {
- /* for other types, use the object identifier as a unique identifier
- * to ensure that they are seen as unequal. */
- PyObject *obj_id = PyLong_FromVoidPtr(op);
- if (obj_id == NULL)
- return NULL;
-
- key = PyTuple_Pack(2, obj_id, op);
- Py_DECREF(obj_id);
- }
- return key;
-}
-
-static PyObject *
-code_richcompare(PyObject *self, PyObject *other, int op)
-{
- PyCodeObject *co, *cp;
- int eq;
- PyObject *consts1, *consts2;
- PyObject *res;
-
- if ((op != Py_EQ && op != Py_NE) ||
- !PyCode_Check(self) ||
- !PyCode_Check(other)) {
- Py_RETURN_NOTIMPLEMENTED;
- }
-
- co = (PyCodeObject *)self;
- cp = (PyCodeObject *)other;
-
- eq = PyObject_RichCompareBool(co->co_name, cp->co_name, Py_EQ);
- if (!eq) goto unequal;
- eq = co->co_argcount == cp->co_argcount;
- if (!eq) goto unequal;
- eq = co->co_posonlyargcount == cp->co_posonlyargcount;
- if (!eq) goto unequal;
- eq = co->co_kwonlyargcount == cp->co_kwonlyargcount;
- if (!eq) goto unequal;
- eq = co->co_nlocals == cp->co_nlocals;
- if (!eq) goto unequal;
- eq = co->co_flags == cp->co_flags;
- if (!eq) goto unequal;
- eq = co->co_firstlineno == cp->co_firstlineno;
- if (!eq) goto unequal;
- eq = PyObject_RichCompareBool(co->co_code, cp->co_code, Py_EQ);
- if (eq <= 0) goto unequal;
-
- /* compare constants */
- consts1 = _PyCode_ConstantKey(co->co_consts);
- if (!consts1)
- return NULL;
- consts2 = _PyCode_ConstantKey(cp->co_consts);
- if (!consts2) {
- Py_DECREF(consts1);
- return NULL;
- }
- eq = PyObject_RichCompareBool(consts1, consts2, Py_EQ);
- Py_DECREF(consts1);
- Py_DECREF(consts2);
- if (eq <= 0) goto unequal;
-
- eq = PyObject_RichCompareBool(co->co_names, cp->co_names, Py_EQ);
- if (eq <= 0) goto unequal;
- eq = PyObject_RichCompareBool(co->co_varnames, cp->co_varnames, Py_EQ);
- if (eq <= 0) goto unequal;
- eq = PyObject_RichCompareBool(co->co_freevars, cp->co_freevars, Py_EQ);
- if (eq <= 0) goto unequal;
- eq = PyObject_RichCompareBool(co->co_cellvars, cp->co_cellvars, Py_EQ);
- if (eq <= 0) goto unequal;
-
- if (op == Py_EQ)
- res = Py_True;
- else
- res = Py_False;
- goto done;
-
- unequal:
- if (eq < 0)
- return NULL;
- if (op == Py_NE)
- res = Py_True;
- else
- res = Py_False;
-
- done:
- Py_INCREF(res);
- return res;
-}
-
-static Py_hash_t
-code_hash(PyCodeObject *co)
-{
- Py_hash_t h, h0, h1, h2, h3, h4, h5, h6;
- h0 = PyObject_Hash(co->co_name);
- if (h0 == -1) return -1;
- h1 = PyObject_Hash(co->co_code);
- if (h1 == -1) return -1;
- h2 = PyObject_Hash(co->co_consts);
- if (h2 == -1) return -1;
- h3 = PyObject_Hash(co->co_names);
- if (h3 == -1) return -1;
- h4 = PyObject_Hash(co->co_varnames);
- if (h4 == -1) return -1;
- h5 = PyObject_Hash(co->co_freevars);
- if (h5 == -1) return -1;
- h6 = PyObject_Hash(co->co_cellvars);
- if (h6 == -1) return -1;
- h = h0 ^ h1 ^ h2 ^ h3 ^ h4 ^ h5 ^ h6 ^
- co->co_argcount ^ co->co_posonlyargcount ^ co->co_kwonlyargcount ^
- co->co_nlocals ^ co->co_flags;
- if (h == -1) h = -2;
- return h;
-}
-
-typedef struct {
- PyObject_HEAD
- PyCodeObject *li_code;
- PyCodeAddressRange li_line;
- char *li_end;
-} lineiterator;
-
-
-static void
-lineiter_dealloc(lineiterator *li)
-{
- Py_DECREF(li->li_code);
- Py_TYPE(li)->tp_free(li);
-}
-
-static PyObject *
-lineiter_next(lineiterator *li)
-{
- PyCodeAddressRange *bounds = &li->li_line;
- if (!PyLineTable_NextAddressRange(bounds)) {
- return NULL;
- }
- PyObject *start = NULL;
- PyObject *end = NULL;
- PyObject *line = NULL;
- PyObject *result = PyTuple_New(3);
- start = PyLong_FromLong(bounds->ar_start);
- end = PyLong_FromLong(bounds->ar_end);
- if (bounds->ar_line < 0) {
- Py_INCREF(Py_None);
- line = Py_None;
- }
- else {
- line = PyLong_FromLong(bounds->ar_line);
- }
- if (result == NULL || start == NULL || end == NULL || line == NULL) {
- goto error;
- }
- PyTuple_SET_ITEM(result, 0, start);
- PyTuple_SET_ITEM(result, 1, end);
- PyTuple_SET_ITEM(result, 2, line);
- return result;
-error:
- Py_XDECREF(start);
- Py_XDECREF(end);
- Py_XDECREF(line);
- Py_XDECREF(result);
- return result;
-}
-
-static PyTypeObject LineIterator = {
- PyVarObject_HEAD_INIT(&PyType_Type, 0)
- "line_iterator", /* tp_name */
- sizeof(lineiterator), /* tp_basicsize */
- 0, /* tp_itemsize */
- /* methods */
- (destructor)lineiter_dealloc, /* tp_dealloc */
- 0, /* tp_vectorcall_offset */
- 0, /* tp_getattr */
- 0, /* tp_setattr */
- 0, /* tp_as_async */
- 0, /* tp_repr */
- 0, /* tp_as_number */
- 0, /* tp_as_sequence */
- 0, /* tp_as_mapping */
- 0, /* tp_hash */
- 0, /* tp_call */
- 0, /* tp_str */
- 0, /* tp_getattro */
- 0, /* tp_setattro */
- 0, /* tp_as_buffer */
- Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */
- 0, /* tp_doc */
- 0, /* tp_traverse */
- 0, /* tp_clear */
- 0, /* tp_richcompare */
- 0, /* tp_weaklistoffset */
- PyObject_SelfIter, /* tp_iter */
- (iternextfunc)lineiter_next, /* tp_iternext */
- 0, /* tp_methods */
- 0, /* tp_members */
- 0, /* tp_getset */
- 0, /* tp_base */
- 0, /* tp_dict */
- 0, /* tp_descr_get */
- 0, /* tp_descr_set */
- 0, /* tp_dictoffset */
- 0, /* tp_init */
- 0, /* tp_alloc */
- 0, /* tp_new */
- PyObject_Del, /* tp_free */
-};
-
-static PyObject *
-code_linesiterator(PyCodeObject *code, PyObject *Py_UNUSED(args))
-{
- lineiterator *li = (lineiterator *)PyType_GenericAlloc(&LineIterator, 0);
- if (li == NULL) {
- return NULL;
- }
- Py_INCREF(code);
- li->li_code = code;
- _PyCode_InitAddressRange(code, &li->li_line);
- return (PyObject *)li;
-}
-
-static void
-retreat(PyCodeAddressRange *bounds)
-{
- int ldelta = ((signed char *)bounds->opaque.lo_next)[-1];
- if (ldelta == -128) {
- ldelta = 0;
- }
- bounds->opaque.computed_line -= ldelta;
- bounds->opaque.lo_next -= 2;
- bounds->ar_end = bounds->ar_start;
- bounds->ar_start -= ((unsigned char *)bounds->opaque.lo_next)[-2];
- ldelta = ((signed char *)bounds->opaque.lo_next)[-1];
- if (ldelta == -128) {
- bounds->ar_line = -1;
- }
- else {
- bounds->ar_line = bounds->opaque.computed_line;
- }
-}
-
-static void
-advance(PyCodeAddressRange *bounds)
-{
- bounds->ar_start = bounds->ar_end;
- int delta = ((unsigned char *)bounds->opaque.lo_next)[0];
- bounds->ar_end += delta;
- int ldelta = ((signed char *)bounds->opaque.lo_next)[1];
- bounds->opaque.lo_next += 2;
- if (ldelta == -128) {
- bounds->ar_line = -1;
- }
- else {
- bounds->opaque.computed_line += ldelta;
- bounds->ar_line = bounds->opaque.computed_line;
- }
-}
-
-static inline int
-at_end(PyCodeAddressRange *bounds) {
- return bounds->opaque.lo_next >= bounds->opaque.limit;
-}
-
-int
-PyLineTable_PreviousAddressRange(PyCodeAddressRange *range)
-{
- if (range->ar_start <= 0) {
- return 0;
- }
- retreat(range);
- while (range->ar_start == range->ar_end) {
- assert(range->ar_start > 0);
- retreat(range);
- }
- return 1;
-}
-
-int
-PyLineTable_NextAddressRange(PyCodeAddressRange *range)
-{
- if (at_end(range)) {
- return 0;
- }
- advance(range);
- while (range->ar_start == range->ar_end && !at_end(range)) {
- assert(!at_end(range));
- advance(range);
- }
- return 1;
-}
-
-
-/* XXX code objects need to participate in GC? */
-
-static struct PyMethodDef code_methods[] = {
- {"__sizeof__", (PyCFunction)code_sizeof, METH_NOARGS},
- {"co_lines", (PyCFunction)code_linesiterator, METH_NOARGS},
- CODE_REPLACE_METHODDEF
- {NULL, NULL} /* sentinel */
-};
-
-PyTypeObject PyCode_Type = {
- PyVarObject_HEAD_INIT(&PyType_Type, 0)
- "code",
- sizeof(PyCodeObject),
- 0,
- (destructor)code_dealloc, /* tp_dealloc */
- 0, /* tp_vectorcall_offset */
- 0, /* tp_getattr */
- 0, /* tp_setattr */
- 0, /* tp_as_async */
- (reprfunc)code_repr, /* tp_repr */
- 0, /* tp_as_number */
- 0, /* tp_as_sequence */
- 0, /* tp_as_mapping */
- (hashfunc)code_hash, /* tp_hash */
- 0, /* tp_call */
- 0, /* tp_str */
- PyObject_GenericGetAttr, /* tp_getattro */
- 0, /* tp_setattro */
- 0, /* tp_as_buffer */
- Py_TPFLAGS_DEFAULT, /* tp_flags */
- code_new__doc__, /* tp_doc */
- 0, /* tp_traverse */
- 0, /* tp_clear */
- code_richcompare, /* tp_richcompare */
- offsetof(PyCodeObject, co_weakreflist), /* tp_weaklistoffset */
- 0, /* tp_iter */
- 0, /* tp_iternext */
- code_methods, /* tp_methods */
- code_memberlist, /* tp_members */
- code_getsetlist, /* tp_getset */
- 0, /* tp_base */
- 0, /* tp_dict */
- 0, /* tp_descr_get */
- 0, /* tp_descr_set */
- 0, /* tp_dictoffset */
- 0, /* tp_init */
- 0, /* tp_alloc */
- code_new, /* tp_new */
-};
-
-/* Use co_linetable to compute the line number from a bytecode index, addrq. See
- lnotab_notes.txt for the details of the lnotab representation.
-*/
-
-int
-PyCode_Addr2Line(PyCodeObject *co, int addrq)
-{
- if (addrq < 0) {
- return co->co_firstlineno;
- }
- assert(addrq >= 0 && addrq < PyBytes_GET_SIZE(co->co_code));
- PyCodeAddressRange bounds;
- _PyCode_InitAddressRange(co, &bounds);
- return _PyCode_CheckLineNumber(addrq, &bounds);
-}
-
-void
-PyLineTable_InitAddressRange(const char *linetable, Py_ssize_t length, int firstlineno, PyCodeAddressRange *range)
-{
- range->opaque.lo_next = linetable;
- range->opaque.limit = range->opaque.lo_next + length;
- range->ar_start = -1;
- range->ar_end = 0;
- range->opaque.computed_line = firstlineno;
- range->ar_line = -1;
-}
-
-int
-_PyCode_InitAddressRange(PyCodeObject* co, PyCodeAddressRange *bounds)
-{
- const char *linetable = PyBytes_AS_STRING(co->co_linetable);
- Py_ssize_t length = PyBytes_GET_SIZE(co->co_linetable);
- PyLineTable_InitAddressRange(linetable, length, co->co_firstlineno, bounds);
- return bounds->ar_line;
-}
-
-/* Update *bounds to describe the first and one-past-the-last instructions in
- the same line as lasti. Return the number of that line, or -1 if lasti is out of bounds. */
-int
-_PyCode_CheckLineNumber(int lasti, PyCodeAddressRange *bounds)
-{
- while (bounds->ar_end <= lasti) {
- if (!PyLineTable_NextAddressRange(bounds)) {
- return -1;
- }
- }
- while (bounds->ar_start > lasti) {
- if (!PyLineTable_PreviousAddressRange(bounds)) {
- return -1;
- }
- }
- return bounds->ar_line;
-}
-
-
-int
-_PyCode_GetExtra(PyObject *code, Py_ssize_t index, void **extra)
-{
- if (!PyCode_Check(code)) {
- PyErr_BadInternalCall();
- return -1;
- }
-
- PyCodeObject *o = (PyCodeObject*) code;
- _PyCodeObjectExtra *co_extra = (_PyCodeObjectExtra*) o->co_extra;
-
- if (co_extra == NULL || co_extra->ce_size <= index) {
- *extra = NULL;
- return 0;
- }
-
- *extra = co_extra->ce_extras[index];
- return 0;
-}
-
-
-int
-_PyCode_SetExtra(PyObject *code, Py_ssize_t index, void *extra)
-{
- PyInterpreterState *interp = _PyInterpreterState_GET();
-
- if (!PyCode_Check(code) || index < 0 ||
- index >= interp->co_extra_user_count) {
- PyErr_BadInternalCall();
- return -1;
- }
-
- PyCodeObject *o = (PyCodeObject*) code;
- _PyCodeObjectExtra *co_extra = (_PyCodeObjectExtra *) o->co_extra;
-
- if (co_extra == NULL || co_extra->ce_size <= index) {
- Py_ssize_t i = (co_extra == NULL ? 0 : co_extra->ce_size);
- co_extra = PyMem_Realloc(
- co_extra,
- sizeof(_PyCodeObjectExtra) +
- (interp->co_extra_user_count-1) * sizeof(void*));
- if (co_extra == NULL) {
- return -1;
- }
- for (; i < interp->co_extra_user_count; i++) {
- co_extra->ce_extras[i] = NULL;
- }
- co_extra->ce_size = interp->co_extra_user_count;
- o->co_extra = co_extra;
- }
-
- if (co_extra->ce_extras[index] != NULL) {
- freefunc free = interp->co_extra_freefuncs[index];
- if (free != NULL) {
- free(co_extra->ce_extras[index]);
- }
- }
-
- co_extra->ce_extras[index] = extra;
- return 0;
-}