diff options
Diffstat (limited to 'Python/bltinmodule.c')
| -rw-r--r-- | Python/bltinmodule.c | 163 |
1 files changed, 115 insertions, 48 deletions
diff --git a/Python/bltinmodule.c b/Python/bltinmodule.c index e08c63924ca..51d7297ec24 100644 --- a/Python/bltinmodule.c +++ b/Python/bltinmodule.c @@ -957,6 +957,7 @@ builtin_eval_impl(PyObject *module, PyObject *source, PyObject *globals, PyObject *locals) /*[clinic end generated code: output=0a0824aa70093116 input=7c7bce5299a89062]*/ { + PyThreadState *tstate = _PyThreadState_GET(); PyObject *result = NULL, *source_copy; const char *str; @@ -970,35 +971,46 @@ builtin_eval_impl(PyObject *module, PyObject *source, PyObject *globals, : "globals must be a dict"); return NULL; } - if (globals == Py_None) { + + int fromframe = 0; + if (globals != Py_None) { + Py_INCREF(globals); + } + else if (_PyEval_GetFrame() != NULL) { + fromframe = 1; globals = PyEval_GetGlobals(); - if (locals == Py_None) { - locals = _PyEval_GetFrameLocals(); - if (locals == NULL) - return NULL; - } - else { - Py_INCREF(locals); - } + assert(globals != NULL); + Py_INCREF(globals); } - else if (locals == Py_None) - locals = Py_NewRef(globals); else { - Py_INCREF(locals); + globals = _PyEval_GetGlobalsFromRunningMain(tstate); + if (globals == NULL) { + if (!_PyErr_Occurred(tstate)) { + PyErr_SetString(PyExc_TypeError, + "eval must be given globals and locals " + "when called without a frame"); + } + return NULL; + } + Py_INCREF(globals); } - if (globals == NULL || locals == NULL) { - PyErr_SetString(PyExc_TypeError, - "eval must be given globals and locals " - "when called without a frame"); - goto error; + if (locals != Py_None) { + Py_INCREF(locals); } - - int r = PyDict_Contains(globals, &_Py_ID(__builtins__)); - if (r == 0) { - r = PyDict_SetItem(globals, &_Py_ID(__builtins__), PyEval_GetBuiltins()); + else if (fromframe) { + locals = _PyEval_GetFrameLocals(); + if (locals == NULL) { + assert(PyErr_Occurred()); + Py_DECREF(globals); + return NULL; + } + } + else { + locals = Py_NewRef(globals); } - if (r < 0) { + + if (_PyEval_EnsureBuiltins(tstate, globals, NULL) < 0) { goto error; } @@ -1039,6 +1051,7 @@ builtin_eval_impl(PyObject *module, PyObject *source, PyObject *globals, } error: + Py_XDECREF(globals); Py_XDECREF(locals); return result; } @@ -1069,29 +1082,44 @@ builtin_exec_impl(PyObject *module, PyObject *source, PyObject *globals, PyObject *locals, PyObject *closure) /*[clinic end generated code: output=7579eb4e7646743d input=25e989b6d87a3a21]*/ { + PyThreadState *tstate = _PyThreadState_GET(); PyObject *v; - if (globals == Py_None) { + int fromframe = 0; + if (globals != Py_None) { + Py_INCREF(globals); + } + else if (_PyEval_GetFrame() != NULL) { + fromframe = 1; globals = PyEval_GetGlobals(); - if (locals == Py_None) { - locals = _PyEval_GetFrameLocals(); - if (locals == NULL) - return NULL; - } - else { - Py_INCREF(locals); + assert(globals != NULL); + Py_INCREF(globals); + } + else { + globals = _PyEval_GetGlobalsFromRunningMain(tstate); + if (globals == NULL) { + if (!_PyErr_Occurred(tstate)) { + PyErr_SetString(PyExc_SystemError, + "globals and locals cannot be NULL"); + } + goto error; } - if (!globals || !locals) { - PyErr_SetString(PyExc_SystemError, - "globals and locals cannot be NULL"); + Py_INCREF(globals); + } + + if (locals != Py_None) { + Py_INCREF(locals); + } + else if (fromframe) { + locals = _PyEval_GetFrameLocals(); + if (locals == NULL) { + assert(PyErr_Occurred()); + Py_DECREF(globals); return NULL; } } - else if (locals == Py_None) { - locals = Py_NewRef(globals); - } else { - Py_INCREF(locals); + locals = Py_NewRef(globals); } if (!PyDict_Check(globals)) { @@ -1105,11 +1133,8 @@ builtin_exec_impl(PyObject *module, PyObject *source, PyObject *globals, Py_TYPE(locals)->tp_name); goto error; } - int r = PyDict_Contains(globals, &_Py_ID(__builtins__)); - if (r == 0) { - r = PyDict_SetItem(globals, &_Py_ID(__builtins__), PyEval_GetBuiltins()); - } - if (r < 0) { + + if (_PyEval_EnsureBuiltins(tstate, globals, NULL) < 0) { goto error; } @@ -1186,11 +1211,13 @@ builtin_exec_impl(PyObject *module, PyObject *source, PyObject *globals, } if (v == NULL) goto error; + Py_DECREF(globals); Py_DECREF(locals); Py_DECREF(v); Py_RETURN_NONE; error: + Py_XDECREF(globals); Py_XDECREF(locals); return NULL; } @@ -1240,10 +1267,21 @@ static PyObject * builtin_globals_impl(PyObject *module) /*[clinic end generated code: output=e5dd1527067b94d2 input=9327576f92bb48ba]*/ { - PyObject *d; - - d = PyEval_GetGlobals(); - return Py_XNewRef(d); + PyObject *globals; + if (_PyEval_GetFrame() != NULL) { + globals = PyEval_GetGlobals(); + assert(globals != NULL); + return Py_NewRef(globals); + } + PyThreadState *tstate = _PyThreadState_GET(); + globals = _PyEval_GetGlobalsFromRunningMain(tstate); + if (globals == NULL) { + if (_PyErr_Occurred(tstate)) { + return NULL; + } + Py_RETURN_NONE; + } + return Py_NewRef(globals); } @@ -1887,7 +1925,21 @@ static PyObject * builtin_locals_impl(PyObject *module) /*[clinic end generated code: output=b46c94015ce11448 input=7874018d478d5c4b]*/ { - return _PyEval_GetFrameLocals(); + PyObject *locals; + if (_PyEval_GetFrame() != NULL) { + locals = _PyEval_GetFrameLocals(); + assert(locals != NULL || PyErr_Occurred()); + return locals; + } + PyThreadState *tstate = _PyThreadState_GET(); + locals = _PyEval_GetGlobalsFromRunningMain(tstate); + if (locals == NULL) { + if (_PyErr_Occurred(tstate)) { + return NULL; + } + Py_RETURN_NONE; + } + return Py_NewRef(locals); } @@ -2623,7 +2675,22 @@ builtin_vars(PyObject *self, PyObject *args) if (!PyArg_UnpackTuple(args, "vars", 0, 1, &v)) return NULL; if (v == NULL) { - d = _PyEval_GetFrameLocals(); + if (_PyEval_GetFrame() != NULL) { + d = _PyEval_GetFrameLocals(); + } + else { + PyThreadState *tstate = _PyThreadState_GET(); + d = _PyEval_GetGlobalsFromRunningMain(tstate); + if (d == NULL) { + if (!_PyErr_Occurred(tstate)) { + d = _PyEval_GetFrameLocals(); + assert(_PyErr_Occurred(tstate)); + } + } + else { + Py_INCREF(d); + } + } } else { if (PyObject_GetOptionalAttr(v, &_Py_ID(__dict__), &d) == 0) { |