annotate test/include/python2.7/frameobject.h @ 3:7d1a9a91b989 draft

planemo upload for repository https://github.com/Yating-L/jbrowse-archive-creator.git commit d583ac16a6c6942730ea536eb59cc37941816030-dirty
author yating-l
date Thu, 18 May 2017 18:37:28 -0400
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2 /* Frame object interface */
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4 #ifndef Py_FRAMEOBJECT_H
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5 #define Py_FRAMEOBJECT_H
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6 #ifdef __cplusplus
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7 extern "C" {
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8 #endif
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10 typedef struct {
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11 int b_type; /* what kind of block this is */
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12 int b_handler; /* where to jump to find handler */
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13 int b_level; /* value stack level to pop to */
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14 } PyTryBlock;
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16 typedef struct _frame {
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17 PyObject_VAR_HEAD
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18 struct _frame *f_back; /* previous frame, or NULL */
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19 PyCodeObject *f_code; /* code segment */
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20 PyObject *f_builtins; /* builtin symbol table (PyDictObject) */
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21 PyObject *f_globals; /* global symbol table (PyDictObject) */
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22 PyObject *f_locals; /* local symbol table (any mapping) */
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23 PyObject **f_valuestack; /* points after the last local */
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24 /* Next free slot in f_valuestack. Frame creation sets to f_valuestack.
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25 Frame evaluation usually NULLs it, but a frame that yields sets it
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26 to the current stack top. */
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27 PyObject **f_stacktop;
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28 PyObject *f_trace; /* Trace function */
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30 /* If an exception is raised in this frame, the next three are used to
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31 * record the exception info (if any) originally in the thread state. See
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32 * comments before set_exc_info() -- it's not obvious.
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33 * Invariant: if _type is NULL, then so are _value and _traceback.
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34 * Desired invariant: all three are NULL, or all three are non-NULL. That
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35 * one isn't currently true, but "should be".
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36 */
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37 PyObject *f_exc_type, *f_exc_value, *f_exc_traceback;
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39 PyThreadState *f_tstate;
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40 int f_lasti; /* Last instruction if called */
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41 /* Call PyFrame_GetLineNumber() instead of reading this field
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42 directly. As of 2.3 f_lineno is only valid when tracing is
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43 active (i.e. when f_trace is set). At other times we use
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44 PyCode_Addr2Line to calculate the line from the current
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45 bytecode index. */
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46 int f_lineno; /* Current line number */
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47 int f_iblock; /* index in f_blockstack */
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48 PyTryBlock f_blockstack[CO_MAXBLOCKS]; /* for try and loop blocks */
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49 PyObject *f_localsplus[1]; /* locals+stack, dynamically sized */
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50 } PyFrameObject;
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53 /* Standard object interface */
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55 PyAPI_DATA(PyTypeObject) PyFrame_Type;
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57 #define PyFrame_Check(op) ((op)->ob_type == &PyFrame_Type)
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58 #define PyFrame_IsRestricted(f) \
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59 ((f)->f_builtins != (f)->f_tstate->interp->builtins)
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61 PyAPI_FUNC(PyFrameObject *) PyFrame_New(PyThreadState *, PyCodeObject *,
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62 PyObject *, PyObject *);
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64
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65 /* The rest of the interface is specific for frame objects */
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67 /* Block management functions */
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69 PyAPI_FUNC(void) PyFrame_BlockSetup(PyFrameObject *, int, int, int);
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70 PyAPI_FUNC(PyTryBlock *) PyFrame_BlockPop(PyFrameObject *);
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72 /* Extend the value stack */
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74 PyAPI_FUNC(PyObject **) PyFrame_ExtendStack(PyFrameObject *, int, int);
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76 /* Conversions between "fast locals" and locals in dictionary */
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78 PyAPI_FUNC(void) PyFrame_LocalsToFast(PyFrameObject *, int);
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79 PyAPI_FUNC(void) PyFrame_FastToLocals(PyFrameObject *);
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81 PyAPI_FUNC(int) PyFrame_ClearFreeList(void);
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82
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83 /* Return the line of code the frame is currently executing. */
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84 PyAPI_FUNC(int) PyFrame_GetLineNumber(PyFrameObject *);
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86 #ifdef __cplusplus
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87 }
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88 #endif
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89 #endif /* !Py_FRAMEOBJECT_H */