1 .. highlightlang:: c 2 3 .. _codeobjects: 4 5 .. index:: object; code, code object 6 7 Code Objects 8 ------------ 9 10 .. sectionauthor:: Jeffrey Yasskin <jyasskin (a] gmail.com> 11 12 Code objects are a low-level detail of the CPython implementation. 13 Each one represents a chunk of executable code that hasn't yet been 14 bound into a function. 15 16 .. c:type:: PyCodeObject 17 18 The C structure of the objects used to describe code objects. The 19 fields of this type are subject to change at any time. 20 21 22 .. c:var:: PyTypeObject PyCode_Type 23 24 This is an instance of :c:type:`PyTypeObject` representing the Python 25 :class:`code` type. 26 27 28 .. c:function:: int PyCode_Check(PyObject *co) 29 30 Return true if *co* is a :class:`code` object. 31 32 .. c:function:: int PyCode_GetNumFree(PyCodeObject *co) 33 34 Return the number of free variables in *co*. 35 36 .. c:function:: PyCodeObject* PyCode_New(int argcount, int kwonlyargcount, int nlocals, int stacksize, int flags, PyObject *code, PyObject *consts, PyObject *names, PyObject *varnames, PyObject *freevars, PyObject *cellvars, PyObject *filename, PyObject *name, int firstlineno, PyObject *lnotab) 37 38 Return a new code object. If you need a dummy code object to 39 create a frame, use :c:func:`PyCode_NewEmpty` instead. Calling 40 :c:func:`PyCode_New` directly can bind you to a precise Python 41 version since the definition of the bytecode changes often. 42 43 44 .. c:function:: PyCodeObject* PyCode_NewEmpty(const char *filename, const char *funcname, int firstlineno) 45 46 Return a new empty code object with the specified filename, 47 function name, and first line number. It is illegal to 48 :func:`exec` or :func:`eval` the resulting code object. 49
