Add two more libraries for Cython

Author: Franziska Geiger

graalpython/com.oracle.graal.python.cext/include/Python.h

@@ -121,6 +121,8 @@
 #include "iterobject.h"
 #include "datetime.h"
 #include "typeslots.h"
+#include "weakrefobject.h"
+#include "sysmodule.h"
 
 // TODO: we must extend the refcounting behavior to support handles to managed objects
 #undef Py_DECREF

graalpython/com.oracle.graal.python.cext/include/sysmodule.h

@@ -0,0 +1,42 @@
+/* System module interface */
+
+#ifndef Py_SYSMODULE_H
+#define Py_SYSMODULE_H
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+PyAPI_FUNC(PyObject *) PySys_GetObject(const char *);
+PyAPI_FUNC(int) PySys_SetObject(const char *, PyObject *);
+#ifndef Py_LIMITED_API
+PyAPI_FUNC(PyObject *) _PySys_GetObjectId(_Py_Identifier *key);
+PyAPI_FUNC(int) _PySys_SetObjectId(_Py_Identifier *key, PyObject *);
+#endif
+
+PyAPI_FUNC(void) PySys_SetArgv(int, wchar_t **);
+PyAPI_FUNC(void) PySys_SetArgvEx(int, wchar_t **, int);
+PyAPI_FUNC(void) PySys_SetPath(const wchar_t *);
+
+PyAPI_FUNC(void) PySys_WriteStdout(const char *format, ...)
+                 Py_GCC_ATTRIBUTE((format(printf, 1, 2)));
+PyAPI_FUNC(void) PySys_WriteStderr(const char *format, ...)
+                 Py_GCC_ATTRIBUTE((format(printf, 1, 2)));
+PyAPI_FUNC(void) PySys_FormatStdout(const char *format, ...);
+PyAPI_FUNC(void) PySys_FormatStderr(const char *format, ...);
+
+PyAPI_FUNC(void) PySys_ResetWarnOptions(void);
+PyAPI_FUNC(void) PySys_AddWarnOption(const wchar_t *);
+PyAPI_FUNC(void) PySys_AddWarnOptionUnicode(PyObject *);
+PyAPI_FUNC(int) PySys_HasWarnOptions(void);
+
+PyAPI_FUNC(void) PySys_AddXOption(const wchar_t *);
+PyAPI_FUNC(PyObject *) PySys_GetXOptions(void);
+
+#ifndef Py_LIMITED_API
+PyAPI_FUNC(size_t) _PySys_GetSizeOf(PyObject *);
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+#endif /* !Py_SYSMODULE_H */

graalpython/com.oracle.graal.python.cext/include/weakrefobject.h

@@ -0,0 +1,86 @@
+/* Weak references objects for Python. */
+
+#ifndef Py_WEAKREFOBJECT_H
+#define Py_WEAKREFOBJECT_H
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+typedef struct _PyWeakReference PyWeakReference;
+
+/* PyWeakReference is the base struct for the Python ReferenceType, ProxyType,
+ * and CallableProxyType.
+ */
+#ifndef Py_LIMITED_API
+struct _PyWeakReference {
+    PyObject_HEAD
+
+    /* The object to which this is a weak reference, or Py_None if none.
+     * Note that this is a stealth reference:  wr_object's refcount is
+     * not incremented to reflect this pointer.
+     */
+    PyObject *wr_object;
+
+    /* A callable to invoke when wr_object dies, or NULL if none. */
+    PyObject *wr_callback;
+
+    /* A cache for wr_object's hash code.  As usual for hashes, this is -1
+     * if the hash code isn't known yet.
+     */
+    Py_hash_t hash;
+
+    /* If wr_object is weakly referenced, wr_object has a doubly-linked NULL-
+     * terminated list of weak references to it.  These are the list pointers.
+     * If wr_object goes away, wr_object is set to Py_None, and these pointers
+     * have no meaning then.
+     */
+    PyWeakReference *wr_prev;
+    PyWeakReference *wr_next;
+};
+#endif
+
+PyAPI_DATA(PyTypeObject) _PyWeakref_RefType;
+PyAPI_DATA(PyTypeObject) _PyWeakref_ProxyType;
+PyAPI_DATA(PyTypeObject) _PyWeakref_CallableProxyType;
+
+#define PyWeakref_CheckRef(op) PyObject_TypeCheck(op, &_PyWeakref_RefType)
+#define PyWeakref_CheckRefExact(op) \
+        (Py_TYPE(op) == &_PyWeakref_RefType)
+#define PyWeakref_CheckProxy(op) \
+        ((Py_TYPE(op) == &_PyWeakref_ProxyType) || \
+         (Py_TYPE(op) == &_PyWeakref_CallableProxyType))
+
+#define PyWeakref_Check(op) \
+        (PyWeakref_CheckRef(op) || PyWeakref_CheckProxy(op))
+
+
+PyAPI_FUNC(PyObject *) PyWeakref_NewRef(PyObject *ob,
+                                              PyObject *callback);
+PyAPI_FUNC(PyObject *) PyWeakref_NewProxy(PyObject *ob,
+                                                PyObject *callback);
+PyAPI_FUNC(PyObject *) PyWeakref_GetObject(PyObject *ref);
+
+#ifndef Py_LIMITED_API
+PyAPI_FUNC(Py_ssize_t) _PyWeakref_GetWeakrefCount(PyWeakReference *head);
+
+PyAPI_FUNC(void) _PyWeakref_ClearRef(PyWeakReference *self);
+#endif
+
+/* Explanation for the Py_REFCNT() check: when a weakref's target is part
+   of a long chain of deallocations which triggers the trashcan mechanism,
+   clearing the weakrefs can be delayed long after the target's refcount
+   has dropped to zero.  In the meantime, code accessing the weakref will
+   be able to "see" the target object even though it is supposed to be
+   unreachable.  See issue #16602. */
+
+#define PyWeakref_GET_OBJECT(ref)                           \
+    (Py_REFCNT(((PyWeakReference *)(ref))->wr_object) > 0   \
+     ? ((PyWeakReference *)(ref))->wr_object                \
+     : Py_None)
+
+
+#ifdef __cplusplus
+}
+#endif
+#endif /* !Py_WEAKREFOBJECT_H */