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baldurk
768e812e45
* On windows it's strongly desired to be able to compile straight out of a clean checkout or source download. This means anyone can download the source and investigate something quickly, without having to worry about the hassle of figuring out how the project downloads 3rd party dependencies, fetching them, getting them registered in the right place. * This can't be put in a submodule as git submodules don't get downloaded by default so people new to git will get confusing compilation messages, and someone downloading the source from github directly without cloning via git won't get submodules included. * It does add some extra size to a fresh download/checkout which is unfortunate, but absolutely worth the cost. Shallow checkouts still aren't unfeasibly large, and it's only a one-off cost at clone time.
96 lines
3.4 KiB
C
96 lines
3.4 KiB
C
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/* Frame object interface */
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#ifndef Py_LIMITED_API
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#ifndef Py_FRAMEOBJECT_H
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#define Py_FRAMEOBJECT_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct {
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int b_type; /* what kind of block this is */
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int b_handler; /* where to jump to find handler */
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int b_level; /* value stack level to pop to */
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} PyTryBlock;
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typedef struct _frame {
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PyObject_VAR_HEAD
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struct _frame *f_back; /* previous frame, or NULL */
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PyCodeObject *f_code; /* code segment */
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PyObject *f_builtins; /* builtin symbol table (PyDictObject) */
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PyObject *f_globals; /* global symbol table (PyDictObject) */
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PyObject *f_locals; /* local symbol table (any mapping) */
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PyObject **f_valuestack; /* points after the last local */
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/* Next free slot in f_valuestack. Frame creation sets to f_valuestack.
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Frame evaluation usually NULLs it, but a frame that yields sets it
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to the current stack top. */
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PyObject **f_stacktop;
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PyObject *f_trace; /* Trace function */
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/* In a generator, we need to be able to swap between the exception
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state inside the generator and the exception state of the calling
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frame (which shouldn't be impacted when the generator "yields"
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from an except handler).
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These three fields exist exactly for that, and are unused for
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non-generator frames. See the save_exc_state and swap_exc_state
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functions in ceval.c for details of their use. */
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PyObject *f_exc_type, *f_exc_value, *f_exc_traceback;
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/* Borrowed reference to a generator, or NULL */
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PyObject *f_gen;
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int f_lasti; /* Last instruction if called */
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/* Call PyFrame_GetLineNumber() instead of reading this field
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directly. As of 2.3 f_lineno is only valid when tracing is
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active (i.e. when f_trace is set). At other times we use
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PyCode_Addr2Line to calculate the line from the current
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bytecode index. */
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int f_lineno; /* Current line number */
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int f_iblock; /* index in f_blockstack */
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char f_executing; /* whether the frame is still executing */
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PyTryBlock f_blockstack[CO_MAXBLOCKS]; /* for try and loop blocks */
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PyObject *f_localsplus[1]; /* locals+stack, dynamically sized */
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} PyFrameObject;
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/* Standard object interface */
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PyAPI_DATA(PyTypeObject) PyFrame_Type;
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#define PyFrame_Check(op) (Py_TYPE(op) == &PyFrame_Type)
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PyAPI_FUNC(PyFrameObject *) PyFrame_New(PyThreadState *, PyCodeObject *,
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PyObject *, PyObject *);
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/* The rest of the interface is specific for frame objects */
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/* Block management functions */
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PyAPI_FUNC(void) PyFrame_BlockSetup(PyFrameObject *, int, int, int);
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PyAPI_FUNC(PyTryBlock *) PyFrame_BlockPop(PyFrameObject *);
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/* Extend the value stack */
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PyAPI_FUNC(PyObject **) PyFrame_ExtendStack(PyFrameObject *, int, int);
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/* Conversions between "fast locals" and locals in dictionary */
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PyAPI_FUNC(void) PyFrame_LocalsToFast(PyFrameObject *, int);
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PyAPI_FUNC(int) PyFrame_FastToLocalsWithError(PyFrameObject *f);
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PyAPI_FUNC(void) PyFrame_FastToLocals(PyFrameObject *);
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PyAPI_FUNC(int) PyFrame_ClearFreeList(void);
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PyAPI_FUNC(void) _PyFrame_DebugMallocStats(FILE *out);
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/* Return the line of code the frame is currently executing. */
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PyAPI_FUNC(int) PyFrame_GetLineNumber(PyFrameObject *);
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#ifdef __cplusplus
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}
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#endif
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#endif /* !Py_FRAMEOBJECT_H */
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#endif /* Py_LIMITED_API */
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