diff options
Diffstat (limited to 'AppPkg/Applications/Python/Python-2.7.2/Objects/moduleobject.c')
| -rw-r--r-- | AppPkg/Applications/Python/Python-2.7.2/Objects/moduleobject.c | 260 |
1 files changed, 260 insertions, 0 deletions
diff --git a/AppPkg/Applications/Python/Python-2.7.2/Objects/moduleobject.c b/AppPkg/Applications/Python/Python-2.7.2/Objects/moduleobject.c new file mode 100644 index 0000000000..19cadd2e54 --- /dev/null +++ b/AppPkg/Applications/Python/Python-2.7.2/Objects/moduleobject.c @@ -0,0 +1,260 @@ +
+/* Module object implementation */
+
+#include "Python.h"
+#include "structmember.h"
+
+typedef struct {
+ PyObject_HEAD
+ PyObject *md_dict;
+} PyModuleObject;
+
+static PyMemberDef module_members[] = {
+ {"__dict__", T_OBJECT, offsetof(PyModuleObject, md_dict), READONLY},
+ {0}
+};
+
+PyObject *
+PyModule_New(const char *name)
+{
+ PyModuleObject *m;
+ PyObject *nameobj;
+ m = PyObject_GC_New(PyModuleObject, &PyModule_Type);
+ if (m == NULL)
+ return NULL;
+ nameobj = PyString_FromString(name);
+ m->md_dict = PyDict_New();
+ if (m->md_dict == NULL || nameobj == NULL)
+ goto fail;
+ if (PyDict_SetItemString(m->md_dict, "__name__", nameobj) != 0)
+ goto fail;
+ if (PyDict_SetItemString(m->md_dict, "__doc__", Py_None) != 0)
+ goto fail;
+ if (PyDict_SetItemString(m->md_dict, "__package__", Py_None) != 0)
+ goto fail;
+ Py_DECREF(nameobj);
+ PyObject_GC_Track(m);
+ return (PyObject *)m;
+
+ fail:
+ Py_XDECREF(nameobj);
+ Py_DECREF(m);
+ return NULL;
+}
+
+PyObject *
+PyModule_GetDict(PyObject *m)
+{
+ PyObject *d;
+ if (!PyModule_Check(m)) {
+ PyErr_BadInternalCall();
+ return NULL;
+ }
+ d = ((PyModuleObject *)m) -> md_dict;
+ if (d == NULL)
+ ((PyModuleObject *)m) -> md_dict = d = PyDict_New();
+ return d;
+}
+
+char *
+PyModule_GetName(PyObject *m)
+{
+ PyObject *d;
+ PyObject *nameobj;
+ if (!PyModule_Check(m)) {
+ PyErr_BadArgument();
+ return NULL;
+ }
+ d = ((PyModuleObject *)m)->md_dict;
+ if (d == NULL ||
+ (nameobj = PyDict_GetItemString(d, "__name__")) == NULL ||
+ !PyString_Check(nameobj))
+ {
+ PyErr_SetString(PyExc_SystemError, "nameless module");
+ return NULL;
+ }
+ return PyString_AsString(nameobj);
+}
+
+char *
+PyModule_GetFilename(PyObject *m)
+{
+ PyObject *d;
+ PyObject *fileobj;
+ if (!PyModule_Check(m)) {
+ PyErr_BadArgument();
+ return NULL;
+ }
+ d = ((PyModuleObject *)m)->md_dict;
+ if (d == NULL ||
+ (fileobj = PyDict_GetItemString(d, "__file__")) == NULL ||
+ !PyString_Check(fileobj))
+ {
+ PyErr_SetString(PyExc_SystemError, "module filename missing");
+ return NULL;
+ }
+ return PyString_AsString(fileobj);
+}
+
+void
+_PyModule_Clear(PyObject *m)
+{
+ /* To make the execution order of destructors for global
+ objects a bit more predictable, we first zap all objects
+ whose name starts with a single underscore, before we clear
+ the entire dictionary. We zap them by replacing them with
+ None, rather than deleting them from the dictionary, to
+ avoid rehashing the dictionary (to some extent). */
+
+ Py_ssize_t pos;
+ PyObject *key, *value;
+ PyObject *d;
+
+ d = ((PyModuleObject *)m)->md_dict;
+ if (d == NULL)
+ return;
+
+ /* First, clear only names starting with a single underscore */
+ pos = 0;
+ while (PyDict_Next(d, &pos, &key, &value)) {
+ if (value != Py_None && PyString_Check(key)) {
+ char *s = PyString_AsString(key);
+ if (s[0] == '_' && s[1] != '_') {
+ if (Py_VerboseFlag > 1)
+ PySys_WriteStderr("# clear[1] %s\n", s);
+ PyDict_SetItem(d, key, Py_None);
+ }
+ }
+ }
+
+ /* Next, clear all names except for __builtins__ */
+ pos = 0;
+ while (PyDict_Next(d, &pos, &key, &value)) {
+ if (value != Py_None && PyString_Check(key)) {
+ char *s = PyString_AsString(key);
+ if (s[0] != '_' || strcmp(s, "__builtins__") != 0) {
+ if (Py_VerboseFlag > 1)
+ PySys_WriteStderr("# clear[2] %s\n", s);
+ PyDict_SetItem(d, key, Py_None);
+ }
+ }
+ }
+
+ /* Note: we leave __builtins__ in place, so that destructors
+ of non-global objects defined in this module can still use
+ builtins, in particularly 'None'. */
+
+}
+
+/* Methods */
+
+static int
+module_init(PyModuleObject *m, PyObject *args, PyObject *kwds)
+{
+ static char *kwlist[] = {"name", "doc", NULL};
+ PyObject *dict, *name = Py_None, *doc = Py_None;
+ if (!PyArg_ParseTupleAndKeywords(args, kwds, "S|O:module.__init__",
+ kwlist, &name, &doc))
+ return -1;
+ dict = m->md_dict;
+ if (dict == NULL) {
+ dict = PyDict_New();
+ if (dict == NULL)
+ return -1;
+ m->md_dict = dict;
+ }
+ if (PyDict_SetItemString(dict, "__name__", name) < 0)
+ return -1;
+ if (PyDict_SetItemString(dict, "__doc__", doc) < 0)
+ return -1;
+ return 0;
+}
+
+static void
+module_dealloc(PyModuleObject *m)
+{
+ PyObject_GC_UnTrack(m);
+ if (m->md_dict != NULL) {
+ _PyModule_Clear((PyObject *)m);
+ Py_DECREF(m->md_dict);
+ }
+ Py_TYPE(m)->tp_free((PyObject *)m);
+}
+
+static PyObject *
+module_repr(PyModuleObject *m)
+{
+ char *name;
+ char *filename;
+
+ name = PyModule_GetName((PyObject *)m);
+ if (name == NULL) {
+ PyErr_Clear();
+ name = "?";
+ }
+ filename = PyModule_GetFilename((PyObject *)m);
+ if (filename == NULL) {
+ PyErr_Clear();
+ return PyString_FromFormat("<module '%s' (built-in)>", name);
+ }
+ return PyString_FromFormat("<module '%s' from '%s'>", name, filename);
+}
+
+/* We only need a traverse function, no clear function: If the module
+ is in a cycle, md_dict will be cleared as well, which will break
+ the cycle. */
+static int
+module_traverse(PyModuleObject *m, visitproc visit, void *arg)
+{
+ Py_VISIT(m->md_dict);
+ return 0;
+}
+
+PyDoc_STRVAR(module_doc,
+"module(name[, doc])\n\
+\n\
+Create a module object.\n\
+The name must be a string; the optional doc argument can have any type.");
+
+PyTypeObject PyModule_Type = {
+ PyVarObject_HEAD_INIT(&PyType_Type, 0)
+ "module", /* tp_name */
+ sizeof(PyModuleObject), /* tp_size */
+ 0, /* tp_itemsize */
+ (destructor)module_dealloc, /* tp_dealloc */
+ 0, /* tp_print */
+ 0, /* tp_getattr */
+ 0, /* tp_setattr */
+ 0, /* tp_compare */
+ (reprfunc)module_repr, /* tp_repr */
+ 0, /* tp_as_number */
+ 0, /* tp_as_sequence */
+ 0, /* tp_as_mapping */
+ 0, /* tp_hash */
+ 0, /* tp_call */
+ 0, /* tp_str */
+ PyObject_GenericGetAttr, /* tp_getattro */
+ PyObject_GenericSetAttr, /* tp_setattro */
+ 0, /* tp_as_buffer */
+ Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC |
+ Py_TPFLAGS_BASETYPE, /* tp_flags */
+ module_doc, /* tp_doc */
+ (traverseproc)module_traverse, /* tp_traverse */
+ 0, /* tp_clear */
+ 0, /* tp_richcompare */
+ 0, /* tp_weaklistoffset */
+ 0, /* tp_iter */
+ 0, /* tp_iternext */
+ 0, /* tp_methods */
+ module_members, /* tp_members */
+ 0, /* tp_getset */
+ 0, /* tp_base */
+ 0, /* tp_dict */
+ 0, /* tp_descr_get */
+ 0, /* tp_descr_set */
+ offsetof(PyModuleObject, md_dict), /* tp_dictoffset */
+ (initproc)module_init, /* tp_init */
+ PyType_GenericAlloc, /* tp_alloc */
+ PyType_GenericNew, /* tp_new */
+ PyObject_GC_Del, /* tp_free */
+};
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