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#include
"Python.h"
#include
"opcode.h"
#include
"internal/pycore_code.h"
/*[clinic input]
module _opcode
[clinic start generated code]*/
/*[clinic end generated code: output=da39a3ee5e6b4b0d input=117442e66eb376e6]*/
#include
"clinic/_opcode.c.h"
/*[clinic input]
_opcode.stack_effect -> int
opcode: int
oparg: object = None
/
*
jump: object = None
Compute the stack effect of the opcode.
[clinic start generated code]*/
static
int
_opcode_stack_effect_impl
(
PyObject
*
module
,
int
opcode
,
PyObject
*
oparg
,
PyObject
*
jump
)
/*[clinic end generated code: output=64a18f2ead954dbb input=461c9d4a44851898]*/
{
int
effect
;
int
oparg_int
=
0
;
int
jump_int
;
if
(
HAS_ARG
(
opcode
)) {
if
(
oparg
==
Py_None
) {
PyErr_SetString
(
PyExc_ValueError
,
"stack_effect: opcode requires oparg but oparg was not specified"
);
return
-1
;
}
oparg_int
=
(
int
)
PyLong_AsLong
(
oparg
);
if
((
oparg_int
==
-1
)
&&
PyErr_Occurred
()) {
return
-1
;
}
}
else
if
(
oparg
!=
Py_None
) {
PyErr_SetString
(
PyExc_ValueError
,
"stack_effect: opcode does not permit oparg but oparg was specified"
);
return
-1
;
}
if
(
jump
==
Py_None
) {
jump_int
=
-1
;
}
else
if
(
jump
==
Py_True
) {
jump_int
=
1
;
}
else
if
(
jump
==
Py_False
) {
jump_int
=
0
;
}
else
{
PyErr_SetString
(
PyExc_ValueError
,
"stack_effect: jump must be False, True or None"
);
return
-1
;
}
if
(
IS_ARTIFICIAL
(
opcode
)) {
effect
=
PY_INVALID_STACK_EFFECT
;
}
else
{
effect
=
PyCompile_OpcodeStackEffectWithJump
(
opcode
,
oparg_int
,
jump_int
);
}
if
(
effect
==
PY_INVALID_STACK_EFFECT
) {
PyErr_SetString
(
PyExc_ValueError
,
"invalid opcode or oparg"
);
return
-1
;
}
return
effect
;
}
/*[clinic input]
_opcode.get_specialization_stats
Return the specialization stats
[clinic start generated code]*/
static
PyObject
*
_opcode_get_specialization_stats_impl
(
PyObject
*
module
)
/*[clinic end generated code: output=fcbc32fdfbec5c17 input=e1f60db68d8ce5f6]*/
{
#ifdef
Py_STATS
return
_Py_GetSpecializationStats
();
#else
Py_RETURN_NONE
;
#endif
}
static
PyMethodDef
opcode_functions
[]
=
{
_OPCODE_STACK_EFFECT_METHODDEF
_OPCODE_GET_SPECIALIZATION_STATS_METHODDEF
{
NULL
,
NULL
,
0
,
NULL
}
};
static
struct
PyModuleDef
opcodemodule
=
{
PyModuleDef_HEAD_INIT
,
.
m_name
=
"_opcode"
,
.
m_doc
=
"Opcode support module."
,
.
m_size
=
0
,
.
m_methods
=
opcode_functions
};
PyMODINIT_FUNC
PyInit__opcode
(
void
)
{
return
PyModuleDef_Init
(
&
opcodemodule
);
}
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