Library import 16 (#2433)

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1 files changed, 188 insertions, 0 deletions

diff --git a/contrib/tools/python3/Include/cpython/funcobject.h b/contrib/tools/python3/Include/cpython/funcobject.h
new file mode 100644
index 0000000000..6f78f5868d
--- /dev/null
+++ b/contrib/tools/python3/Include/cpython/funcobject.h
@@ -0,0 +1,188 @@
+/* Function object interface */
+
+#ifndef Py_LIMITED_API
+#ifndef Py_FUNCOBJECT_H
+#define Py_FUNCOBJECT_H
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+#define COMMON_FIELDS(PREFIX) \
+    PyObject *PREFIX ## globals; \
+    PyObject *PREFIX ## builtins; \
+    PyObject *PREFIX ## name; \
+    PyObject *PREFIX ## qualname; \
+    PyObject *PREFIX ## code;        /* A code object, the __code__ attribute */ \
+    PyObject *PREFIX ## defaults;    /* NULL or a tuple */ \
+    PyObject *PREFIX ## kwdefaults;  /* NULL or a dict */ \
+    PyObject *PREFIX ## closure;     /* NULL or a tuple of cell objects */
+
+typedef struct {
+    COMMON_FIELDS(fc_)
+} PyFrameConstructor;
+
+/* Function objects and code objects should not be confused with each other:
+ *
+ * Function objects are created by the execution of the 'def' statement.
+ * They reference a code object in their __code__ attribute, which is a
+ * purely syntactic object, i.e. nothing more than a compiled version of some
+ * source code lines.  There is one code object per source code "fragment",
+ * but each code object can be referenced by zero or many function objects
+ * depending only on how many times the 'def' statement in the source was
+ * executed so far.
+ */
+
+typedef struct {
+    PyObject_HEAD
+    COMMON_FIELDS(func_)
+    PyObject *func_doc;         /* The __doc__ attribute, can be anything */
+    PyObject *func_dict;        /* The __dict__ attribute, a dict or NULL */
+    PyObject *func_weakreflist; /* List of weak references */
+    PyObject *func_module;      /* The __module__ attribute, can be anything */
+    PyObject *func_annotations; /* Annotations, a dict or NULL */
+    PyObject *func_typeparams;  /* Tuple of active type variables or NULL */
+    vectorcallfunc vectorcall;
+    /* Version number for use by specializer.
+     * Can set to non-zero when we want to specialize.
+     * Will be set to zero if any of these change:
+     *     defaults
+     *     kwdefaults (only if the object changes, not the contents of the dict)
+     *     code
+     *     annotations
+     *     vectorcall function pointer */
+    uint32_t func_version;
+
+    /* Invariant:
+     *     func_closure contains the bindings for func_code->co_freevars, so
+     *     PyTuple_Size(func_closure) == PyCode_GetNumFree(func_code)
+     *     (func_closure may be NULL if PyCode_GetNumFree(func_code) == 0).
+     */
+} PyFunctionObject;
+
+PyAPI_DATA(PyTypeObject) PyFunction_Type;
+
+#define PyFunction_Check(op) Py_IS_TYPE((op), &PyFunction_Type)
+
+PyAPI_FUNC(PyObject *) PyFunction_New(PyObject *, PyObject *);
+PyAPI_FUNC(PyObject *) PyFunction_NewWithQualName(PyObject *, PyObject *, PyObject *);
+PyAPI_FUNC(PyObject *) PyFunction_GetCode(PyObject *);
+PyAPI_FUNC(PyObject *) PyFunction_GetGlobals(PyObject *);
+PyAPI_FUNC(PyObject *) PyFunction_GetModule(PyObject *);
+PyAPI_FUNC(PyObject *) PyFunction_GetDefaults(PyObject *);
+PyAPI_FUNC(int) PyFunction_SetDefaults(PyObject *, PyObject *);
+PyAPI_FUNC(void) PyFunction_SetVectorcall(PyFunctionObject *, vectorcallfunc);
+PyAPI_FUNC(PyObject *) PyFunction_GetKwDefaults(PyObject *);
+PyAPI_FUNC(int) PyFunction_SetKwDefaults(PyObject *, PyObject *);
+PyAPI_FUNC(PyObject *) PyFunction_GetClosure(PyObject *);
+PyAPI_FUNC(int) PyFunction_SetClosure(PyObject *, PyObject *);
+PyAPI_FUNC(PyObject *) PyFunction_GetAnnotations(PyObject *);
+PyAPI_FUNC(int) PyFunction_SetAnnotations(PyObject *, PyObject *);
+
+PyAPI_FUNC(PyObject *) _PyFunction_Vectorcall(
+    PyObject *func,
+    PyObject *const *stack,
+    size_t nargsf,
+    PyObject *kwnames);
+
+#define _PyFunction_CAST(func) \
+    (assert(PyFunction_Check(func)), _Py_CAST(PyFunctionObject*, func))
+
+/* Static inline functions for direct access to these values.
+   Type checks are *not* done, so use with care. */
+static inline PyObject* PyFunction_GET_CODE(PyObject *func) {
+    return _PyFunction_CAST(func)->func_code;
+}
+#define PyFunction_GET_CODE(func) PyFunction_GET_CODE(_PyObject_CAST(func))
+
+static inline PyObject* PyFunction_GET_GLOBALS(PyObject *func) {
+    return _PyFunction_CAST(func)->func_globals;
+}
+#define PyFunction_GET_GLOBALS(func) PyFunction_GET_GLOBALS(_PyObject_CAST(func))
+
+static inline PyObject* PyFunction_GET_MODULE(PyObject *func) {
+    return _PyFunction_CAST(func)->func_module;
+}
+#define PyFunction_GET_MODULE(func) PyFunction_GET_MODULE(_PyObject_CAST(func))
+
+static inline PyObject* PyFunction_GET_DEFAULTS(PyObject *func) {
+    return _PyFunction_CAST(func)->func_defaults;
+}
+#define PyFunction_GET_DEFAULTS(func) PyFunction_GET_DEFAULTS(_PyObject_CAST(func))
+
+static inline PyObject* PyFunction_GET_KW_DEFAULTS(PyObject *func) {
+    return _PyFunction_CAST(func)->func_kwdefaults;
+}
+#define PyFunction_GET_KW_DEFAULTS(func) PyFunction_GET_KW_DEFAULTS(_PyObject_CAST(func))
+
+static inline PyObject* PyFunction_GET_CLOSURE(PyObject *func) {
+    return _PyFunction_CAST(func)->func_closure;
+}
+#define PyFunction_GET_CLOSURE(func) PyFunction_GET_CLOSURE(_PyObject_CAST(func))
+
+static inline PyObject* PyFunction_GET_ANNOTATIONS(PyObject *func) {
+    return _PyFunction_CAST(func)->func_annotations;
+}
+#define PyFunction_GET_ANNOTATIONS(func) PyFunction_GET_ANNOTATIONS(_PyObject_CAST(func))
+
+/* The classmethod and staticmethod types lives here, too */
+PyAPI_DATA(PyTypeObject) PyClassMethod_Type;
+PyAPI_DATA(PyTypeObject) PyStaticMethod_Type;
+
+PyAPI_FUNC(PyObject *) PyClassMethod_New(PyObject *);
+PyAPI_FUNC(PyObject *) PyStaticMethod_New(PyObject *);
+
+#define PY_FOREACH_FUNC_EVENT(V) \
+    V(CREATE)                    \
+    V(DESTROY)                   \
+    V(MODIFY_CODE)               \
+    V(MODIFY_DEFAULTS)           \
+    V(MODIFY_KWDEFAULTS)
+
+typedef enum {
+    #define PY_DEF_EVENT(EVENT) PyFunction_EVENT_##EVENT,
+    PY_FOREACH_FUNC_EVENT(PY_DEF_EVENT)
+    #undef PY_DEF_EVENT
+} PyFunction_WatchEvent;
+
+/*
+ * A callback that is invoked for different events in a function's lifecycle.
+ *
+ * The callback is invoked with a borrowed reference to func, after it is
+ * created and before it is modified or destroyed. The callback should not
+ * modify func.
+ *
+ * When a function's code object, defaults, or kwdefaults are modified the
+ * callback will be invoked with the respective event and new_value will
+ * contain a borrowed reference to the new value that is about to be stored in
+ * the function. Otherwise the third argument is NULL.
+ *
+ * If the callback returns with an exception set, it must return -1. Otherwise
+ * it should return 0.
+ */
+typedef int (*PyFunction_WatchCallback)(
+  PyFunction_WatchEvent event,
+  PyFunctionObject *func,
+  PyObject *new_value);
+
+/*
+ * Register a per-interpreter callback that will be invoked for function lifecycle
+ * events.
+ *
+ * Returns a handle that may be passed to PyFunction_ClearWatcher on success,
+ * or -1 and sets an error if no more handles are available.
+ */
+PyAPI_FUNC(int) PyFunction_AddWatcher(PyFunction_WatchCallback callback);
+
+/*
+ * Clear the watcher associated with the watcher_id handle.
+ *
+ * Returns 0 on success or -1 if no watcher exists for the supplied id.
+ */
+PyAPI_FUNC(int) PyFunction_ClearWatcher(int watcher_id);
+
+#ifdef __cplusplus
+}
+#endif
+#endif /* !Py_FUNCOBJECT_H */
+#endif /* Py_LIMITED_API */