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bpo-46409: Make generators in bytecode (GH-30633)

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* Add RETURN_GENERATOR and JUMP_NO_INTERRUPT opcodes.

* Trim frame and generator by word each.

* Minor refactor of frame.c

* Update test.test_sys to account for smaller frames.

* Treat generator functions as normal functions when evaluating and specializing.
This commit is contained in:
Mark Shannon 2022-01-20 11:46:39 +00:00 • committed by GitHub
parent d05a66339b
commit b04dfbbe4b
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18 changed files with 236 additions and 205 deletions
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4
Include/internal/pycore_frame.h
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@ -41,12 +41,12 @@ typedef struct _interpreter_frame {
PyObject *f_locals; /* Strong reference, may be NULL */
PyCodeObject *f_code; /* Strong reference */
PyFrameObject *frame_obj; /* Strong reference, may be NULL */
PyObject *generator; /* Borrowed reference, may be NULL */
struct _interpreter_frame *previous;
int f_lasti; /* Last instruction if called */
int stacktop; /* Offset of TOS from localsplus */
PyFrameState f_state; /* What state the frame is in */
bool is_entry; // Whether this is the "root" frame for the current CFrame.
bool is_generator;
PyObject *localsplus[1];
} InterpreterFrame;
@ -100,10 +100,10 @@ _PyFrame_InitializeSpecials(
frame->f_locals = Py_XNewRef(locals);
frame->stacktop = nlocalsplus;
frame->frame_obj = NULL;
frame->generator = NULL;
frame->f_lasti = -1;
frame->f_state = FRAME_CREATED;
frame->is_entry = false;
frame->is_generator = false;
}
/* Gets the pointer to the locals array