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96 lines
3.4 KiB
C
96 lines
3.4 KiB
C
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/* Structures used by pycore_debug_offsets.h.
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*
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* See InternalDocs/frames.md for an explanation of the frame stack
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* including explanation of the PyFrameObject and _PyInterpreterFrame
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* structs.
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*/
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#ifndef Py_INTERNAL_INTERP_FRAME_STRUCTS_H
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#define Py_INTERNAL_INTERP_FRAME_STRUCTS_H
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#ifndef Py_BUILD_CORE
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# error "this header requires Py_BUILD_CORE define"
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#endif
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#include "pycore_structs.h" // _PyStackRef
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#include "pycore_typedefs.h" // _PyInterpreterFrame
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#ifdef __cplusplus
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extern "C" {
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#endif
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enum _frameowner {
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FRAME_OWNED_BY_THREAD = 0,
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FRAME_OWNED_BY_GENERATOR = 1,
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FRAME_OWNED_BY_FRAME_OBJECT = 2,
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FRAME_OWNED_BY_INTERPRETER = 3,
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FRAME_OWNED_BY_CSTACK = 4,
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};
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struct _PyInterpreterFrame {
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_PyStackRef f_executable; /* Deferred or strong reference (code object or None) */
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struct _PyInterpreterFrame *previous;
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_PyStackRef f_funcobj; /* Deferred or strong reference. Only valid if not on C stack */
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PyObject *f_globals; /* Borrowed reference. Only valid if not on C stack */
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PyObject *f_builtins; /* Borrowed reference. Only valid if not on C stack */
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PyObject *f_locals; /* Strong reference, may be NULL. Only valid if not on C stack */
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PyFrameObject *frame_obj; /* Strong reference, may be NULL. Only valid if not on C stack */
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_Py_CODEUNIT *instr_ptr; /* Instruction currently executing (or about to begin) */
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_PyStackRef *stackpointer;
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#ifdef Py_GIL_DISABLED
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/* Index of thread-local bytecode containing instr_ptr. */
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int32_t tlbc_index;
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#endif
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uint16_t return_offset; /* Only relevant during a function call */
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char owner;
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#ifdef Py_DEBUG
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uint8_t visited:1;
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uint8_t lltrace:7;
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#else
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uint8_t visited;
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#endif
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/* Locals and stack */
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_PyStackRef localsplus[1];
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};
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/* _PyGenObject_HEAD defines the initial segment of generator
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and coroutine objects. */
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#define _PyGenObject_HEAD(prefix) \
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PyObject_HEAD \
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/* List of weak reference. */ \
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PyObject *prefix##_weakreflist; \
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/* Name of the generator. */ \
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PyObject *prefix##_name; \
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/* Qualified name of the generator. */ \
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PyObject *prefix##_qualname; \
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_PyErr_StackItem prefix##_exc_state; \
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PyObject *prefix##_origin_or_finalizer; \
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char prefix##_hooks_inited; \
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char prefix##_closed; \
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char prefix##_running_async; \
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/* The frame */ \
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int8_t prefix##_frame_state; \
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_PyInterpreterFrame prefix##_iframe; \
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struct _PyGenObject {
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/* The gi_ prefix is intended to remind of generator-iterator. */
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_PyGenObject_HEAD(gi)
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};
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struct _PyCoroObject {
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_PyGenObject_HEAD(cr)
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};
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struct _PyAsyncGenObject {
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_PyGenObject_HEAD(ag)
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};
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#undef _PyGenObject_HEAD
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#ifdef __cplusplus
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}
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#endif
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#endif // !Py_INTERNAL_INTERP_FRAME_STRUCTS_H
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