Implement PEP 380 - 'yield from' (closes #11682)
diff --git a/Include/frameobject.h b/Include/frameobject.h
index 1fb64bb..55447b7 100644
--- a/Include/frameobject.h
+++ b/Include/frameobject.h
@@ -9,45 +9,46 @@
#endif
typedef struct {
- int b_type; /* what kind of block this is */
- int b_handler; /* where to jump to find handler */
- int b_level; /* value stack level to pop to */
+ int b_type; /* what kind of block this is */
+ int b_handler; /* where to jump to find handler */
+ int b_level; /* value stack level to pop to */
} PyTryBlock;
typedef struct _frame {
PyObject_VAR_HEAD
- struct _frame *f_back; /* previous frame, or NULL */
- PyCodeObject *f_code; /* code segment */
- PyObject *f_builtins; /* builtin symbol table (PyDictObject) */
- PyObject *f_globals; /* global symbol table (PyDictObject) */
- PyObject *f_locals; /* local symbol table (any mapping) */
- PyObject **f_valuestack; /* points after the last local */
+ struct _frame *f_back; /* previous frame, or NULL */
+ PyCodeObject *f_code; /* code segment */
+ PyObject *f_builtins; /* builtin symbol table (PyDictObject) */
+ PyObject *f_globals; /* global symbol table (PyDictObject) */
+ PyObject *f_locals; /* local symbol table (any mapping) */
+ PyObject **f_valuestack; /* points after the last local */
/* Next free slot in f_valuestack. Frame creation sets to f_valuestack.
Frame evaluation usually NULLs it, but a frame that yields sets it
to the current stack top. */
PyObject **f_stacktop;
- PyObject *f_trace; /* Trace function */
+ PyObject *f_trace; /* Trace function */
+ PyObject *f_yieldfrom; /* Iterator being delegated to by yield from */
- /* In a generator, we need to be able to swap between the exception
- state inside the generator and the exception state of the calling
- frame (which shouldn't be impacted when the generator "yields"
- from an except handler).
- These three fields exist exactly for that, and are unused for
- non-generator frames. See the SAVE_EXC_STATE and SWAP_EXC_STATE
- macros in ceval.c for details of their use. */
+ /* In a generator, we need to be able to swap between the exception
+ state inside the generator and the exception state of the calling
+ frame (which shouldn't be impacted when the generator "yields"
+ from an except handler).
+ These three fields exist exactly for that, and are unused for
+ non-generator frames. See the SAVE_EXC_STATE and SWAP_EXC_STATE
+ macros in ceval.c for details of their use. */
PyObject *f_exc_type, *f_exc_value, *f_exc_traceback;
PyThreadState *f_tstate;
- int f_lasti; /* Last instruction if called */
+ int f_lasti; /* Last instruction if called */
/* Call PyFrame_GetLineNumber() instead of reading this field
directly. As of 2.3 f_lineno is only valid when tracing is
active (i.e. when f_trace is set). At other times we use
PyCode_Addr2Line to calculate the line from the current
bytecode index. */
- int f_lineno; /* Current line number */
- int f_iblock; /* index in f_blockstack */
+ int f_lineno; /* Current line number */
+ int f_iblock; /* index in f_blockstack */
PyTryBlock f_blockstack[CO_MAXBLOCKS]; /* for try and loop blocks */
- PyObject *f_localsplus[1]; /* locals+stack, dynamically sized */
+ PyObject *f_localsplus[1]; /* locals+stack, dynamically sized */
} PyFrameObject;