| #ifndef Py_FRAMEOBJECT_H |
| #define Py_FRAMEOBJECT_H |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| /*********************************************************** |
| Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam, |
| The Netherlands. |
| |
| All Rights Reserved |
| |
| Permission to use, copy, modify, and distribute this software and its |
| documentation for any purpose and without fee is hereby granted, |
| provided that the above copyright notice appear in all copies and that |
| both that copyright notice and this permission notice appear in |
| supporting documentation, and that the names of Stichting Mathematisch |
| Centrum or CWI or Corporation for National Research Initiatives or |
| CNRI not be used in advertising or publicity pertaining to |
| distribution of the software without specific, written prior |
| permission. |
| |
| While CWI is the initial source for this software, a modified version |
| is made available by the Corporation for National Research Initiatives |
| (CNRI) at the Internet address ftp://ftp.python.org. |
| |
| STICHTING MATHEMATISCH CENTRUM AND CNRI DISCLAIM ALL WARRANTIES WITH |
| REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF |
| MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH |
| CENTRUM OR CNRI BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL |
| DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
| PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
| PERFORMANCE OF THIS SOFTWARE. |
| |
| ******************************************************************/ |
| |
| /* Frame object interface */ |
| |
| typedef struct { |
| int b_type; /* what kind of block this is */ |
| int b_handler; /* where to jump to find handler */ |
| int b_level; /* value stack level to pop to */ |
| } PyTryBlock; |
| |
| typedef struct _frame { |
| PyObject_HEAD |
| struct _frame *f_back; /* previous frame, or NULL */ |
| PyCodeObject *f_code; /* code segment */ |
| PyObject *f_builtins; /* builtin symbol table (PyDictObject) */ |
| PyObject *f_globals; /* global symbol table (PyDictObject) */ |
| PyObject *f_locals; /* local symbol table (PyDictObject) */ |
| PyObject *f_owner; /* owner (e.g. class or module) or NULL */ |
| PyObject *f_fastlocals; /* fast local variables (PyListObject) */ |
| PyObject **f_valuestack; /* malloc'ed array */ |
| PyTryBlock *f_blockstack; /* malloc'ed array */ |
| int f_nvalues; /* size of f_valuestack */ |
| int f_nblocks; /* size of f_blockstack */ |
| int f_iblock; /* index in f_blockstack */ |
| int f_lasti; /* Last instruction if called */ |
| int f_lineno; /* Current line number */ |
| int f_restricted; /* Flag set if restricted operations |
| in this scope */ |
| PyObject *f_trace; /* Trace function */ |
| } PyFrameObject; |
| |
| |
| /* Standard object interface */ |
| |
| extern DL_IMPORT(PyTypeObject) PyFrame_Type; |
| |
| #define PyFrame_Check(op) ((op)->ob_type == &PyFrame_Type) |
| |
| PyFrameObject * PyFrame_New |
| Py_PROTO((PyFrameObject *, PyCodeObject *, |
| PyObject *, PyObject *, PyObject *, int, int)); |
| |
| |
| /* The rest of the interface is specific for frame objects */ |
| |
| /* Tuple access macros */ |
| |
| #ifndef DEBUG |
| #define GETITEM(v, i) PyTuple_GET_ITEM((PyTupleObject *)(v), (i)) |
| #define GETITEMNAME(v, i) \ |
| PyString_AS_STRING((PyStringObject *)GETITEM((v), (i))) |
| #else |
| #define GETITEM(v, i) PyTuple_GetItem((v), (i)) |
| #define GETITEMNAME(v, i) PyString_AsString(GETITEM(v, i)) |
| #endif |
| |
| #define GETUSTRINGVALUE(s) ((unsigned char *)PyString_AS_STRING(s)) |
| |
| /* Code access macros */ |
| |
| #define Getconst(f, i) (GETITEM((f)->f_code->co_consts, (i))) |
| #define Getname(f, i) (GETITEMNAME((f)->f_code->co_names, (i))) |
| #define Getnamev(f, i) (GETITEM((f)->f_code->co_names, (i))) |
| |
| |
| /* Block management functions */ |
| |
| void PyFrame_BlockSetup Py_PROTO((PyFrameObject *, int, int, int)); |
| PyTryBlock *PyFrame_BlockPop Py_PROTO((PyFrameObject *)); |
| |
| /* Extend the value stack */ |
| |
| PyObject **PyFrame_ExtendStack Py_PROTO((PyFrameObject *, int, int)); |
| |
| /* Conversions between "fast locals" and locals in dictionary */ |
| |
| void PyFrame_LocalsToFast Py_PROTO((PyFrameObject *, int)); |
| void PyFrame_FastToLocals Py_PROTO((PyFrameObject *)); |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| #endif /* !Py_FRAMEOBJECT_H */ |