| /* Definitions for bytecode */ |
| |
| #ifndef Py_CODE_H |
| #define Py_CODE_H |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| /* Bytecode object */ |
| typedef struct { |
| PyObject_HEAD |
| int co_argcount; /* #arguments, except *args */ |
| int co_nlocals; /* #local variables */ |
| int co_stacksize; /* #entries needed for evaluation stack */ |
| int co_flags; /* CO_..., see below */ |
| PyObject *co_code; /* instruction opcodes */ |
| PyObject *co_consts; /* list (constants used) */ |
| PyObject *co_names; /* list of strings (names used) */ |
| PyObject *co_varnames; /* tuple of strings (local variable names) */ |
| PyObject *co_freevars; /* tuple of strings (free variable names) */ |
| PyObject *co_cellvars; /* tuple of strings (cell variable names) */ |
| /* The rest doesn't count for hash/cmp */ |
| PyObject *co_filename; /* string (where it was loaded from) */ |
| PyObject *co_name; /* string (name, for reference) */ |
| int co_firstlineno; /* first source line number */ |
| PyObject *co_lnotab; /* string (encoding addr<->lineno mapping) */ |
| } PyCodeObject; |
| |
| /* Masks for co_flags above */ |
| #define CO_OPTIMIZED 0x0001 |
| #define CO_NEWLOCALS 0x0002 |
| #define CO_VARARGS 0x0004 |
| #define CO_VARKEYWORDS 0x0008 |
| #define CO_NESTED 0x0010 |
| #define CO_GENERATOR 0x0020 |
| /* The CO_NOFREE flag is set if there are no free or cell variables. |
| This information is redundant, but it allows a single flag test |
| to determine whether there is any extra work to be done when the |
| call frame it setup. |
| */ |
| #define CO_NOFREE 0x0040 |
| |
| #if 0 |
| /* These are no longer used. */ |
| #define CO_GENERATOR_ALLOWED 0x1000 |
| #define CO_FUTURE_DIVISION 0x2000 |
| #define CO_FUTURE_ABSOLUTE_IMPORT 0x4000 /* do absolute imports by default */ |
| #define CO_FUTURE_WITH_STATEMENT 0x8000 |
| #endif |
| |
| /* This should be defined if a future statement modifies the syntax. |
| For example, when a keyword is added. |
| */ |
| /* #define PY_PARSER_REQUIRES_FUTURE_KEYWORD */ |
| |
| #define CO_MAXBLOCKS 20 /* Max static block nesting within a function */ |
| |
| PyAPI_DATA(PyTypeObject) PyCode_Type; |
| |
| #define PyCode_Check(op) ((op)->ob_type == &PyCode_Type) |
| #define PyCode_GetNumFree(op) (PyTuple_GET_SIZE((op)->co_freevars)) |
| |
| /* Public interface */ |
| PyAPI_FUNC(PyCodeObject *) PyCode_New( |
| int, int, int, int, PyObject *, PyObject *, PyObject *, PyObject *, |
| PyObject *, PyObject *, PyObject *, PyObject *, int, PyObject *); |
| /* same as struct above */ |
| PyAPI_FUNC(int) PyCode_Addr2Line(PyCodeObject *, int); |
| |
| /* for internal use only */ |
| #define _PyCode_GETCODEPTR(co, pp) \ |
| ((*(co)->co_code->ob_type->tp_as_buffer->bf_getreadbuffer) \ |
| ((co)->co_code, 0, (void **)(pp))) |
| |
| typedef struct _addr_pair { |
| int ap_lower; |
| int ap_upper; |
| } PyAddrPair; |
| |
| /* Check whether lasti (an instruction offset) falls outside bounds |
| and whether it is a line number that should be traced. Returns |
| a line number if it should be traced or -1 if the line should not. |
| |
| If lasti is not within bounds, updates bounds. |
| */ |
| |
| PyAPI_FUNC(int) PyCode_CheckLineNumber(PyCodeObject* co, |
| int lasti, PyAddrPair *bounds); |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| #endif /* !Py_CODE_H */ |