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bpo-45636: Simplify BINARY_OP (GH-29565)

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Brandt Bucher 2021-11-16 05:53:57 -08:00 • committed by GitHub
parent 55868f1a33
commit 6a84d61c55
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4 changed files with 51 additions and 83 deletions
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117
Python/ceval.c
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@ -835,6 +835,36 @@ _Py_CheckRecursiveCall(PyThreadState *tstate, const char *where)
}
static const binaryfunc binary_ops[] = {
[NB_ADD] = PyNumber_Add,
[NB_AND] = PyNumber_And,
[NB_FLOOR_DIVIDE] = PyNumber_FloorDivide,
[NB_LSHIFT] = PyNumber_Lshift,
[NB_MATRIX_MULTIPLY] = PyNumber_MatrixMultiply,
[NB_MULTIPLY] = PyNumber_Multiply,
[NB_REMAINDER] = PyNumber_Remainder,
[NB_OR] = PyNumber_Or,
[NB_POWER] = _PyNumber_PowerNoMod,
[NB_RSHIFT] = PyNumber_Rshift,
[NB_SUBTRACT] = PyNumber_Subtract,
[NB_TRUE_DIVIDE] = PyNumber_TrueDivide,
[NB_XOR] = PyNumber_Xor,
[NB_INPLACE_ADD] = PyNumber_InPlaceAdd,
[NB_INPLACE_AND] = PyNumber_InPlaceAnd,
[NB_INPLACE_FLOOR_DIVIDE] = PyNumber_InPlaceFloorDivide,
[NB_INPLACE_LSHIFT] = PyNumber_InPlaceLshift,
[NB_INPLACE_MATRIX_MULTIPLY] = PyNumber_InPlaceMatrixMultiply,
[NB_INPLACE_MULTIPLY] = PyNumber_InPlaceMultiply,
[NB_INPLACE_REMAINDER] = PyNumber_InPlaceRemainder,
[NB_INPLACE_OR] = PyNumber_InPlaceOr,
[NB_INPLACE_POWER] = _PyNumber_InPlacePowerNoMod,
[NB_INPLACE_RSHIFT] = PyNumber_InPlaceRshift,
[NB_INPLACE_SUBTRACT] = PyNumber_InPlaceSubtract,
[NB_INPLACE_TRUE_DIVIDE] = PyNumber_InPlaceTrueDivide,
[NB_INPLACE_XOR] = PyNumber_InPlaceXor,
};
// PEP 634: Structural Pattern Matching
@ -4697,89 +4727,10 @@ check_eval_breaker:
STAT_INC(BINARY_OP, unquickened);
PyObject *rhs = POP();
PyObject *lhs = TOP();
PyObject *res;
switch (oparg) {
case NB_ADD:
res = PyNumber_Add(lhs, rhs);
break;
case NB_AND:
res = PyNumber_And(lhs, rhs);
break;
case NB_FLOOR_DIVIDE:
res = PyNumber_FloorDivide(lhs, rhs);
break;
case NB_LSHIFT:
res = PyNumber_Lshift(lhs, rhs);
break;
case NB_MATRIX_MULTIPLY:
res = PyNumber_MatrixMultiply(lhs, rhs);
break;
case NB_MULTIPLY:
res = PyNumber_Multiply(lhs, rhs);
break;
case NB_REMAINDER:
res = PyNumber_Remainder(lhs, rhs);
break;
case NB_OR:
res = PyNumber_Or(lhs, rhs);
break;
case NB_POWER:
res = PyNumber_Power(lhs, rhs, Py_None);
break;
case NB_RSHIFT:
res = PyNumber_Rshift(lhs, rhs);
break;
case NB_SUBTRACT:
res = PyNumber_Subtract(lhs, rhs);
break;
case NB_TRUE_DIVIDE:
res = PyNumber_TrueDivide(lhs, rhs);
break;
case NB_XOR:
res = PyNumber_Xor(lhs, rhs);
break;
case NB_INPLACE_ADD:
res = PyNumber_InPlaceAdd(lhs, rhs);
break;
case NB_INPLACE_AND:
res = PyNumber_InPlaceAnd(lhs, rhs);
break;
case NB_INPLACE_FLOOR_DIVIDE:
res = PyNumber_InPlaceFloorDivide(lhs, rhs);
break;
case NB_INPLACE_LSHIFT:
res = PyNumber_InPlaceLshift(lhs, rhs);
break;
case NB_INPLACE_MATRIX_MULTIPLY:
res = PyNumber_InPlaceMatrixMultiply(lhs, rhs);
break;
case NB_INPLACE_MULTIPLY:
res = PyNumber_InPlaceMultiply(lhs, rhs);
break;
case NB_INPLACE_REMAINDER:
res = PyNumber_InPlaceRemainder(lhs, rhs);
break;
case NB_INPLACE_OR:
res = PyNumber_InPlaceOr(lhs, rhs);
break;
case NB_INPLACE_POWER:
res = PyNumber_InPlacePower(lhs, rhs, Py_None);
break;
case NB_INPLACE_RSHIFT:
res = PyNumber_InPlaceRshift(lhs, rhs);
break;
case NB_INPLACE_SUBTRACT:
res = PyNumber_InPlaceSubtract(lhs, rhs);
break;
case NB_INPLACE_TRUE_DIVIDE:
res = PyNumber_InPlaceTrueDivide(lhs, rhs);
break;
case NB_INPLACE_XOR:
res = PyNumber_InPlaceXor(lhs, rhs);
break;
default:
Py_UNREACHABLE();
}
assert(0 <= oparg);
assert((unsigned)oparg < Py_ARRAY_LENGTH(binary_ops));
assert(binary_ops[oparg]);
PyObject *res = binary_ops[oparg](lhs, rhs);
Py_DECREF(lhs);
Py_DECREF(rhs);
SET_TOP(res);