diff options
Diffstat (limited to 'include/python2.7/code.h')
| -rw-r--r-- | include/python2.7/code.h | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/include/python2.7/code.h b/include/python2.7/code.h new file mode 100644 index 0000000..38b2958 --- /dev/null +++ b/include/python2.7/code.h @@ -0,0 +1,107 @@ +/* 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) See + Objects/lnotab_notes.txt for details. */ + void *co_zombieframe; /* for optimization only (see frameobject.c) */ + PyObject *co_weakreflist; /* to support weakrefs to code objects */ +} 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 +/* This is no longer used. Stopped defining in 2.5, do not re-use. */ +#define CO_GENERATOR_ALLOWED 0x1000 +#endif +#define CO_FUTURE_DIVISION 0x2000 +#define CO_FUTURE_ABSOLUTE_IMPORT 0x4000 /* do absolute imports by default */ +#define CO_FUTURE_WITH_STATEMENT 0x8000 +#define CO_FUTURE_PRINT_FUNCTION 0x10000 +#define CO_FUTURE_UNICODE_LITERALS 0x20000 + +/* This should be defined if a future statement modifies the syntax. + For example, when a keyword is added. +*/ +#if 1 +#define PY_PARSER_REQUIRES_FUTURE_KEYWORD +#endif + +#define CO_MAXBLOCKS 20 /* Max static block nesting within a function */ + +PyAPI_DATA(PyTypeObject) PyCode_Type; + +#define PyCode_Check(op) (Py_TYPE(op) == &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 */ + +/* Creates a new empty code object with the specified source location. */ +PyAPI_FUNC(PyCodeObject *) +PyCode_NewEmpty(const char *filename, const char *funcname, int firstlineno); + +/* Return the line number associated with the specified bytecode index + in this code object. If you just need the line number of a frame, + use PyFrame_GetLineNumber() instead. */ +PyAPI_FUNC(int) PyCode_Addr2Line(PyCodeObject *, int); + +/* for internal use only */ +#define _PyCode_GETCODEPTR(co, pp) \ + ((*Py_TYPE((co)->co_code)->tp_as_buffer->bf_getreadbuffer) \ + ((co)->co_code, 0, (void **)(pp))) + +typedef struct _addr_pair { + int ap_lower; + int ap_upper; +} PyAddrPair; + +/* Update *bounds to describe the first and one-past-the-last instructions in the + same line as lasti. Return the number of that line. +*/ +PyAPI_FUNC(int) _PyCode_CheckLineNumber(PyCodeObject* co, + int lasti, PyAddrPair *bounds); + +PyAPI_FUNC(PyObject*) PyCode_Optimize(PyObject *code, PyObject* consts, + PyObject *names, PyObject *lineno_obj); + +#ifdef __cplusplus +} +#endif +#endif /* !Py_CODE_H */ |