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76 lines
2.9 KiB
76 lines
2.9 KiB
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/* Function object interface */ |
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#ifndef Py_FUNCOBJECT_H |
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#define Py_FUNCOBJECT_H |
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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/* Function objects and code objects should not be confused with each other: |
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* |
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* Function objects are created by the execution of the 'def' statement. |
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* They reference a code object in their func_code attribute, which is a |
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* purely syntactic object, i.e. nothing more than a compiled version of some |
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* source code lines. There is one code object per source code "fragment", |
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* but each code object can be referenced by zero or many function objects |
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* depending only on how many times the 'def' statement in the source was |
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* executed so far. |
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*/ |
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typedef struct { |
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PyObject_HEAD |
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PyObject *func_code; /* A code object */ |
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PyObject *func_globals; /* A dictionary (other mappings won't do) */ |
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PyObject *func_defaults; /* NULL or a tuple */ |
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PyObject *func_closure; /* NULL or a tuple of cell objects */ |
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PyObject *func_doc; /* The __doc__ attribute, can be anything */ |
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PyObject *func_name; /* The __name__ attribute, a string object */ |
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PyObject *func_dict; /* The __dict__ attribute, a dict or NULL */ |
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PyObject *func_weakreflist; /* List of weak references */ |
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PyObject *func_module; /* The __module__ attribute, can be anything */ |
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/* Invariant: |
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* func_closure contains the bindings for func_code->co_freevars, so |
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* PyTuple_Size(func_closure) == PyCode_GetNumFree(func_code) |
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* (func_closure may be NULL if PyCode_GetNumFree(func_code) == 0). |
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*/ |
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} PyFunctionObject; |
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PyAPI_DATA(PyTypeObject) PyFunction_Type; |
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#define PyFunction_Check(op) ((op)->ob_type == &PyFunction_Type) |
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PyAPI_FUNC(PyObject *) PyFunction_New(PyObject *, PyObject *); |
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PyAPI_FUNC(PyObject *) PyFunction_GetCode(PyObject *); |
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PyAPI_FUNC(PyObject *) PyFunction_GetGlobals(PyObject *); |
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PyAPI_FUNC(PyObject *) PyFunction_GetModule(PyObject *); |
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PyAPI_FUNC(PyObject *) PyFunction_GetDefaults(PyObject *); |
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PyAPI_FUNC(int) PyFunction_SetDefaults(PyObject *, PyObject *); |
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PyAPI_FUNC(PyObject *) PyFunction_GetClosure(PyObject *); |
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PyAPI_FUNC(int) PyFunction_SetClosure(PyObject *, PyObject *); |
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/* Macros for direct access to these values. Type checks are *not* |
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done, so use with care. */ |
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#define PyFunction_GET_CODE(func) \ |
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(((PyFunctionObject *)func) -> func_code) |
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#define PyFunction_GET_GLOBALS(func) \ |
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(((PyFunctionObject *)func) -> func_globals) |
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#define PyFunction_GET_MODULE(func) \ |
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(((PyFunctionObject *)func) -> func_module) |
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#define PyFunction_GET_DEFAULTS(func) \ |
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(((PyFunctionObject *)func) -> func_defaults) |
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#define PyFunction_GET_CLOSURE(func) \ |
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(((PyFunctionObject *)func) -> func_closure) |
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/* The classmethod and staticmethod types lives here, too */ |
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PyAPI_DATA(PyTypeObject) PyClassMethod_Type; |
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PyAPI_DATA(PyTypeObject) PyStaticMethod_Type; |
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PyAPI_FUNC(PyObject *) PyClassMethod_New(PyObject *); |
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PyAPI_FUNC(PyObject *) PyStaticMethod_New(PyObject *); |
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#ifdef __cplusplus |
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} |
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#endif |
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#endif /* !Py_FUNCOBJECT_H */
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