1 /* Definitions for bytecode */
12 int co_argcount
; /* #arguments, except *args */
13 int co_nlocals
; /* #local variables */
14 int co_stacksize
; /* #entries needed for evaluation stack */
15 int co_flags
; /* CO_..., see below */
16 PyObject
*co_code
; /* instruction opcodes */
17 PyObject
*co_consts
; /* list (constants used) */
18 PyObject
*co_names
; /* list of strings (names used) */
19 PyObject
*co_varnames
; /* tuple of strings (local variable names) */
20 PyObject
*co_freevars
; /* tuple of strings (free variable names) */
21 PyObject
*co_cellvars
; /* tuple of strings (cell variable names) */
22 /* The rest doesn't count for hash/cmp */
23 PyObject
*co_filename
; /* string (where it was loaded from) */
24 PyObject
*co_name
; /* string (name, for reference) */
25 int co_firstlineno
; /* first source line number */
26 PyObject
*co_lnotab
; /* string (encoding addr<->lineno mapping) */
27 void *co_zombieframe
; /* for optimization only (see frameobject.c) */
30 /* Masks for co_flags above */
31 #define CO_OPTIMIZED 0x0001
32 #define CO_NEWLOCALS 0x0002
33 #define CO_VARARGS 0x0004
34 #define CO_VARKEYWORDS 0x0008
35 #define CO_NESTED 0x0010
36 #define CO_GENERATOR 0x0020
37 /* The CO_NOFREE flag is set if there are no free or cell variables.
38 This information is redundant, but it allows a single flag test
39 to determine whether there is any extra work to be done when the
42 #define CO_NOFREE 0x0040
45 /* This is no longer used. Stopped defining in 2.5, do not re-use. */
46 #define CO_GENERATOR_ALLOWED 0x1000
48 #define CO_FUTURE_DIVISION 0x2000
49 #define CO_FUTURE_ABSOLUTE_IMPORT 0x4000 /* do absolute imports by default */
50 #define CO_FUTURE_WITH_STATEMENT 0x8000
52 /* This should be defined if a future statement modifies the syntax.
53 For example, when a keyword is added.
56 #define PY_PARSER_REQUIRES_FUTURE_KEYWORD
59 #define CO_MAXBLOCKS 20 /* Max static block nesting within a function */
61 PyAPI_DATA(PyTypeObject
) PyCode_Type
;
63 #define PyCode_Check(op) ((op)->ob_type == &PyCode_Type)
64 #define PyCode_GetNumFree(op) (PyTuple_GET_SIZE((op)->co_freevars))
66 /* Public interface */
67 PyAPI_FUNC(PyCodeObject
*) PyCode_New(
68 int, int, int, int, PyObject
*, PyObject
*, PyObject
*, PyObject
*,
69 PyObject
*, PyObject
*, PyObject
*, PyObject
*, int, PyObject
*);
70 /* same as struct above */
71 PyAPI_FUNC(int) PyCode_Addr2Line(PyCodeObject
*, int);
73 /* for internal use only */
74 #define _PyCode_GETCODEPTR(co, pp) \
75 ((*(co)->co_code->ob_type->tp_as_buffer->bf_getreadbuffer) \
76 ((co)->co_code, 0, (void **)(pp)))
78 typedef struct _addr_pair
{
83 /* Check whether lasti (an instruction offset) falls outside bounds
84 and whether it is a line number that should be traced. Returns
85 a line number if it should be traced or -1 if the line should not.
87 If lasti is not within bounds, updates bounds.
90 PyAPI_FUNC(int) PyCode_CheckLineNumber(PyCodeObject
* co
,
91 int lasti
, PyAddrPair
*bounds
);
93 PyAPI_FUNC(PyObject
*) PyCode_Optimize(PyObject
*code
, PyObject
* consts
,
94 PyObject
*names
, PyObject
*lineno_obj
);
99 #endif /* !Py_CODE_H */