mirror of
https://github.com/python/cpython.git
synced 2024-11-25 09:39:56 +01:00
449 lines
11 KiB
C
449 lines
11 KiB
C
#ifndef Py_BUILD_CORE_BUILTIN
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# define Py_BUILD_CORE_MODULE 1
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#endif
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#include "Python.h"
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#include "compile.h"
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#include "opcode.h"
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#include "pycore_ceval.h"
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#include "pycore_code.h"
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#include "pycore_compile.h"
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#include "pycore_intrinsics.h"
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#include "pycore_optimizer.h" // _Py_GetExecutor()
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#include "pycore_opcode_metadata.h" // IS_VALID_OPCODE, OPCODE_HAS_*, etc
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#include "pycore_opcode_utils.h"
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/*[clinic input]
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module _opcode
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[clinic start generated code]*/
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/*[clinic end generated code: output=da39a3ee5e6b4b0d input=117442e66eb376e6]*/
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#include "clinic/_opcode.c.h"
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/*[clinic input]
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_opcode.stack_effect -> int
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opcode: int
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oparg: object = None
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/
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*
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jump: object = None
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Compute the stack effect of the opcode.
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[clinic start generated code]*/
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static int
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_opcode_stack_effect_impl(PyObject *module, int opcode, PyObject *oparg,
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PyObject *jump)
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/*[clinic end generated code: output=64a18f2ead954dbb input=461c9d4a44851898]*/
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{
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int oparg_int = 0;
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int jump_int;
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if (oparg != Py_None) {
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oparg_int = (int)PyLong_AsLong(oparg);
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if ((oparg_int == -1) && PyErr_Occurred()) {
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return -1;
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}
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}
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if (jump == Py_None) {
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jump_int = -1;
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}
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else if (jump == Py_True) {
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jump_int = 1;
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}
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else if (jump == Py_False) {
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jump_int = 0;
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}
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else {
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PyErr_SetString(PyExc_ValueError,
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"stack_effect: jump must be False, True or None");
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return -1;
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}
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int effect = PyCompile_OpcodeStackEffectWithJump(opcode, oparg_int, jump_int);
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if (effect == PY_INVALID_STACK_EFFECT) {
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PyErr_SetString(PyExc_ValueError, "invalid opcode or oparg");
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return -1;
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}
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return effect;
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}
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/*[clinic input]
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_opcode.is_valid -> bool
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opcode: int
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Return True if opcode is valid, False otherwise.
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[clinic start generated code]*/
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static int
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_opcode_is_valid_impl(PyObject *module, int opcode)
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/*[clinic end generated code: output=b0d918ea1d073f65 input=fe23e0aa194ddae0]*/
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{
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return IS_VALID_OPCODE(opcode);
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}
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/*[clinic input]
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_opcode.has_arg -> bool
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opcode: int
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Return True if the opcode uses its oparg, False otherwise.
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[clinic start generated code]*/
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static int
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_opcode_has_arg_impl(PyObject *module, int opcode)
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/*[clinic end generated code: output=7a062d3b2dcc0815 input=93d878ba6361db5f]*/
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{
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return IS_VALID_OPCODE(opcode) && OPCODE_HAS_ARG(opcode);
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}
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/*[clinic input]
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_opcode.has_const -> bool
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opcode: int
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Return True if the opcode accesses a constant, False otherwise.
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[clinic start generated code]*/
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static int
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_opcode_has_const_impl(PyObject *module, int opcode)
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/*[clinic end generated code: output=c646d5027c634120 input=a6999e4cf13f9410]*/
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{
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return IS_VALID_OPCODE(opcode) && OPCODE_HAS_CONST(opcode);
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}
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/*[clinic input]
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_opcode.has_name -> bool
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opcode: int
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Return True if the opcode accesses an attribute by name, False otherwise.
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[clinic start generated code]*/
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static int
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_opcode_has_name_impl(PyObject *module, int opcode)
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/*[clinic end generated code: output=b49a83555c2fa517 input=448aa5e4bcc947ba]*/
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{
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return IS_VALID_OPCODE(opcode) && OPCODE_HAS_NAME(opcode);
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}
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/*[clinic input]
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_opcode.has_jump -> bool
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opcode: int
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Return True if the opcode has a jump target, False otherwise.
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[clinic start generated code]*/
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static int
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_opcode_has_jump_impl(PyObject *module, int opcode)
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/*[clinic end generated code: output=e9c583c669f1c46a input=35f711274357a0c3]*/
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{
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return IS_VALID_OPCODE(opcode) && OPCODE_HAS_JUMP(opcode);
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}
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/*[clinic input]
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_opcode.has_free -> bool
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opcode: int
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Return True if the opcode accesses a free variable, False otherwise.
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Note that 'free' in this context refers to names in the current scope
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that are referenced by inner scopes or names in outer scopes that are
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referenced from this scope. It does not include references to global
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or builtin scopes.
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[clinic start generated code]*/
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static int
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_opcode_has_free_impl(PyObject *module, int opcode)
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/*[clinic end generated code: output=d81ae4d79af0ee26 input=117dcd5c19c1139b]*/
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{
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return IS_VALID_OPCODE(opcode) && OPCODE_HAS_FREE(opcode);
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}
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/*[clinic input]
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_opcode.has_local -> bool
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opcode: int
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Return True if the opcode accesses a local variable, False otherwise.
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[clinic start generated code]*/
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static int
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_opcode_has_local_impl(PyObject *module, int opcode)
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/*[clinic end generated code: output=da5a8616b7a5097b input=9a798ee24aaef49d]*/
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{
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return IS_VALID_OPCODE(opcode) && OPCODE_HAS_LOCAL(opcode);
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}
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/*[clinic input]
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_opcode.has_exc -> bool
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opcode: int
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Return True if the opcode sets an exception handler, False otherwise.
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[clinic start generated code]*/
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static int
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_opcode_has_exc_impl(PyObject *module, int opcode)
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/*[clinic end generated code: output=41b68dff0ec82a52 input=db0e4bdb9bf13fa5]*/
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{
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return IS_VALID_OPCODE(opcode) && IS_BLOCK_PUSH_OPCODE(opcode);
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}
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/*[clinic input]
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_opcode.get_specialization_stats
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Return the specialization stats
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[clinic start generated code]*/
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static PyObject *
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_opcode_get_specialization_stats_impl(PyObject *module)
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/*[clinic end generated code: output=fcbc32fdfbec5c17 input=e1f60db68d8ce5f6]*/
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{
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#ifdef Py_STATS
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return _Py_GetSpecializationStats();
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#else
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Py_RETURN_NONE;
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#endif
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}
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/*[clinic input]
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_opcode.get_nb_ops
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Return array of symbols of binary ops.
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Indexed by the BINARY_OP oparg value.
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[clinic start generated code]*/
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static PyObject *
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_opcode_get_nb_ops_impl(PyObject *module)
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/*[clinic end generated code: output=d997d306cc15426f input=9462fc544c823176]*/
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{
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PyObject *list = PyList_New(NB_OPARG_LAST + 1);
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if (list == NULL) {
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return NULL;
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}
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#define ADD_NB_OP(NUM, STR) \
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do { \
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PyObject *pair = Py_BuildValue("ss", #NUM, STR); \
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if (pair == NULL) { \
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Py_DECREF(list); \
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return NULL; \
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} \
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PyList_SET_ITEM(list, (NUM), pair); \
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} while(0);
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ADD_NB_OP(NB_ADD, "+");
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ADD_NB_OP(NB_AND, "&");
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ADD_NB_OP(NB_FLOOR_DIVIDE, "//");
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ADD_NB_OP(NB_LSHIFT, "<<");
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ADD_NB_OP(NB_MATRIX_MULTIPLY, "@");
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ADD_NB_OP(NB_MULTIPLY, "*");
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ADD_NB_OP(NB_REMAINDER, "%");
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ADD_NB_OP(NB_OR, "|");
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ADD_NB_OP(NB_POWER, "**");
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ADD_NB_OP(NB_RSHIFT, ">>");
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ADD_NB_OP(NB_SUBTRACT, "-");
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ADD_NB_OP(NB_TRUE_DIVIDE, "/");
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ADD_NB_OP(NB_XOR, "^");
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ADD_NB_OP(NB_INPLACE_ADD, "+=");
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ADD_NB_OP(NB_INPLACE_AND, "&=");
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ADD_NB_OP(NB_INPLACE_FLOOR_DIVIDE, "//=");
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ADD_NB_OP(NB_INPLACE_LSHIFT, "<<=");
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ADD_NB_OP(NB_INPLACE_MATRIX_MULTIPLY, "@=");
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ADD_NB_OP(NB_INPLACE_MULTIPLY, "*=");
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ADD_NB_OP(NB_INPLACE_REMAINDER, "%=");
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ADD_NB_OP(NB_INPLACE_OR, "|=");
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ADD_NB_OP(NB_INPLACE_POWER, "**=");
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ADD_NB_OP(NB_INPLACE_RSHIFT, ">>=");
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ADD_NB_OP(NB_INPLACE_SUBTRACT, "-=");
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ADD_NB_OP(NB_INPLACE_TRUE_DIVIDE, "/=");
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ADD_NB_OP(NB_INPLACE_XOR, "^=");
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#undef ADD_NB_OP
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for(int i = 0; i <= NB_OPARG_LAST; i++) {
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if (PyList_GET_ITEM(list, i) == NULL) {
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Py_DECREF(list);
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PyErr_Format(PyExc_ValueError,
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"Missing initialization for NB_OP %d",
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i);
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return NULL;
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}
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}
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return list;
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}
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/*[clinic input]
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_opcode.get_intrinsic1_descs
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Return a list of names of the unary intrinsics.
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[clinic start generated code]*/
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static PyObject *
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_opcode_get_intrinsic1_descs_impl(PyObject *module)
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/*[clinic end generated code: output=bd1ddb6b4447d18b input=13b51c712618459b]*/
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{
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PyObject *list = PyList_New(MAX_INTRINSIC_1 + 1);
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if (list == NULL) {
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return NULL;
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}
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for (int i=0; i <= MAX_INTRINSIC_1; i++) {
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PyObject *name = _PyCompile_GetUnaryIntrinsicName(i);
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if (name == NULL) {
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Py_DECREF(list);
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return NULL;
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}
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PyList_SET_ITEM(list, i, name);
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}
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return list;
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}
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/*[clinic input]
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_opcode.get_intrinsic2_descs
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Return a list of names of the binary intrinsics.
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[clinic start generated code]*/
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static PyObject *
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_opcode_get_intrinsic2_descs_impl(PyObject *module)
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/*[clinic end generated code: output=40e62bc27584c8a0 input=e83068f249f5471b]*/
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{
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PyObject *list = PyList_New(MAX_INTRINSIC_2 + 1);
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if (list == NULL) {
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return NULL;
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}
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for (int i=0; i <= MAX_INTRINSIC_2; i++) {
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PyObject *name = _PyCompile_GetBinaryIntrinsicName(i);
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if (name == NULL) {
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Py_DECREF(list);
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return NULL;
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}
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PyList_SET_ITEM(list, i, name);
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}
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return list;
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}
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/*[clinic input]
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_opcode.get_special_method_names
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Return a list of special method names.
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[clinic start generated code]*/
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static PyObject *
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_opcode_get_special_method_names_impl(PyObject *module)
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/*[clinic end generated code: output=fce72614cd988d17 input=25f2115560bdf163]*/
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{
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PyObject *list = PyList_New(SPECIAL_MAX + 1);
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if (list == NULL) {
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return NULL;
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}
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for (int i=0; i <= SPECIAL_MAX; i++) {
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PyObject *name = _Py_SpecialMethods[i].name;
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if (name == NULL) {
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Py_DECREF(list);
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return NULL;
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}
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PyList_SET_ITEM(list, i, name);
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}
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return list;
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}
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/*[clinic input]
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_opcode.get_executor
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code: object
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offset: int
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Return the executor object at offset in code if exists, None otherwise.
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[clinic start generated code]*/
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static PyObject *
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_opcode_get_executor_impl(PyObject *module, PyObject *code, int offset)
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/*[clinic end generated code: output=c035c7a47b16648f input=85eff93ea7aac282]*/
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{
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if (!PyCode_Check(code)) {
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PyErr_Format(PyExc_TypeError,
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"expected a code object, not '%.100s'",
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Py_TYPE(code)->tp_name);
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return NULL;
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}
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#ifdef _Py_TIER2
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return (PyObject *)_Py_GetExecutor((PyCodeObject *)code, offset);
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#else
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PyErr_Format(PyExc_RuntimeError,
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"Executors are not available in this build");
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return NULL;
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#endif
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}
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static PyMethodDef
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opcode_functions[] = {
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_OPCODE_STACK_EFFECT_METHODDEF
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_OPCODE_IS_VALID_METHODDEF
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_OPCODE_HAS_ARG_METHODDEF
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_OPCODE_HAS_CONST_METHODDEF
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_OPCODE_HAS_NAME_METHODDEF
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_OPCODE_HAS_JUMP_METHODDEF
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_OPCODE_HAS_FREE_METHODDEF
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_OPCODE_HAS_LOCAL_METHODDEF
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_OPCODE_HAS_EXC_METHODDEF
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_OPCODE_GET_SPECIALIZATION_STATS_METHODDEF
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_OPCODE_GET_NB_OPS_METHODDEF
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_OPCODE_GET_INTRINSIC1_DESCS_METHODDEF
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_OPCODE_GET_INTRINSIC2_DESCS_METHODDEF
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_OPCODE_GET_EXECUTOR_METHODDEF
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_OPCODE_GET_SPECIAL_METHOD_NAMES_METHODDEF
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{NULL, NULL, 0, NULL}
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};
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static int
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_opcode_exec(PyObject *m) {
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if (PyModule_AddIntMacro(m, ENABLE_SPECIALIZATION) < 0) {
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return -1;
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}
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return 0;
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}
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static PyModuleDef_Slot module_slots[] = {
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{Py_mod_exec, _opcode_exec},
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{Py_mod_multiple_interpreters, Py_MOD_PER_INTERPRETER_GIL_SUPPORTED},
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{Py_mod_gil, Py_MOD_GIL_NOT_USED},
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{0, NULL}
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};
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static struct PyModuleDef opcodemodule = {
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PyModuleDef_HEAD_INIT,
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.m_name = "_opcode",
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.m_doc = "Opcode support module.",
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.m_size = 0,
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.m_methods = opcode_functions,
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.m_slots = module_slots,
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};
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PyMODINIT_FUNC
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PyInit__opcode(void)
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{
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return PyModuleDef_Init(&opcodemodule);
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}
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