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Issue #27140: Added BUILD_CONST_KEY_MAP opcode.

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This commit is contained in:
Serhiy Storchaka 2016-06-12 00:39:41 +03:00
parent d611f4cf10
commit 6a7506a77f
10 changed files with 1362 additions and 1188 deletions
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33
Python/ceval.c
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@ -2647,6 +2647,39 @@ PyEval_EvalFrameEx(PyFrameObject *f, int throwflag)
DISPATCH();
}
TARGET(BUILD_CONST_KEY_MAP) {
int i;
PyObject *map;
PyObject *keys = TOP();
if (!PyTuple_CheckExact(keys) ||
PyTuple_GET_SIZE(keys) != (Py_ssize_t)oparg) {
PyErr_SetString(PyExc_SystemError,
"bad BUILD_CONST_KEY_MAP keys argument");
goto error;
}
map = _PyDict_NewPresized((Py_ssize_t)oparg);
if (map == NULL) {
goto error;
}
for (i = oparg; i > 0; i--) {
int err;
PyObject *key = PyTuple_GET_ITEM(keys, oparg - i);
PyObject *value = PEEK(i + 1);
err = PyDict_SetItem(map, key, value);
if (err != 0) {
Py_DECREF(map);
goto error;
}
}
Py_DECREF(POP());
while (oparg--) {
Py_DECREF(POP());
}
PUSH(map);
DISPATCH();
}
TARGET(BUILD_MAP_UNPACK_WITH_CALL)
TARGET(BUILD_MAP_UNPACK) {
int with_call = opcode == BUILD_MAP_UNPACK_WITH_CALL;