diff options
Diffstat (limited to 'Include/code.h')
| -rw-r--r-- | Include/code.h | 128 |
1 files changed, 32 insertions, 96 deletions
diff --git a/Include/code.h b/Include/code.h index 3afddd2..26c571a 100644 --- a/Include/code.h +++ b/Include/code.h @@ -1,78 +1,39 @@ /* Definitions for bytecode */ -#ifndef Py_LIMITED_API #ifndef Py_CODE_H #define Py_CODE_H #ifdef __cplusplus extern "C" { #endif -typedef uint16_t _Py_CODEUNIT; - -#ifdef WORDS_BIGENDIAN -# define _Py_OPCODE(word) ((word) >> 8) -# define _Py_OPARG(word) ((word) & 255) -#else -# define _Py_OPCODE(word) ((word) & 255) -# define _Py_OPARG(word) ((word) >> 8) -#endif - -typedef struct _PyOpcache _PyOpcache; - /* Bytecode object */ typedef struct { PyObject_HEAD - int co_argcount; /* #arguments, except *args */ - int co_posonlyargcount; /* #positional only arguments */ - int co_kwonlyargcount; /* #keyword only arguments */ - int co_nlocals; /* #local variables */ - int co_stacksize; /* #entries needed for evaluation stack */ - int co_flags; /* CO_..., see below */ - int co_firstlineno; /* first source line number */ - 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) */ + 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 aren't used in either hash or comparisons, except for co_name, - used in both. This is done to preserve the name and line number - for tracebacks and debuggers; otherwise, constant de-duplication - would collapse identical functions/lambdas defined on different lines. - */ - Py_ssize_t *co_cell2arg; /* Maps cell vars which are arguments. */ - PyObject *co_filename; /* unicode (where it was loaded from) */ - PyObject *co_name; /* unicode (name, for reference) */ - PyObject *co_lnotab; /* string (encoding addr<->lineno mapping) See - Objects/lnotab_notes.txt for details. */ - void *co_zombieframe; /* for optimization only (see frameobject.c) */ + /* 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 */ - /* Scratch space for extra data relating to the code object. - Type is a void* to keep the format private in codeobject.c to force - people to go through the proper APIs. */ - void *co_extra; - - /* Per opcodes just-in-time cache - * - * To reduce cache size, we use indirect mapping from opcode index to - * cache object: - * cache = co_opcache[co_opcache_map[next_instr - first_instr] - 1] - */ - - // co_opcache_map is indexed by (next_instr - first_instr). - // * 0 means there is no cache for this opcode. - // * n > 0 means there is cache in co_opcache[n-1]. - unsigned char *co_opcache_map; - _PyOpcache *co_opcache; - int co_opcache_flag; // used to determine when create a cache. - unsigned char co_opcache_size; // length of co_opcache. } PyCodeObject; /* Masks for co_flags above */ -#define CO_OPTIMIZED 0x0001 -#define CO_NEWLOCALS 0x0002 -#define CO_VARARGS 0x0004 -#define CO_VARKEYWORDS 0x0008 +#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. @@ -82,34 +43,22 @@ typedef struct { */ #define CO_NOFREE 0x0040 -/* The CO_COROUTINE flag is set for coroutine functions (defined with - ``async def`` keywords) */ -#define CO_COROUTINE 0x0080 -#define CO_ITERABLE_COROUTINE 0x0100 -#define CO_ASYNC_GENERATOR 0x0200 - -/* These are no longer used. */ #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_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 -#define CO_FUTURE_BARRY_AS_BDFL 0x40000 -#define CO_FUTURE_GENERATOR_STOP 0x80000 -#define CO_FUTURE_ANNOTATIONS 0x100000 - -/* This value is found in the co_cell2arg array when the associated cell - variable does not correspond to an argument. */ -#define CO_CELL_NOT_AN_ARG (-1) - /* 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 */ @@ -120,14 +69,8 @@ PyAPI_DATA(PyTypeObject) PyCode_Type; /* Public interface */ PyAPI_FUNC(PyCodeObject *) PyCode_New( - int, int, int, int, int, PyObject *, PyObject *, - PyObject *, PyObject *, PyObject *, PyObject *, - PyObject *, PyObject *, int, PyObject *); - -PyAPI_FUNC(PyCodeObject *) PyCode_NewWithPosOnlyArgs( - int, int, int, int, int, int, PyObject *, PyObject *, - PyObject *, PyObject *, PyObject *, PyObject *, - PyObject *, PyObject *, int, PyObject *); + 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. */ @@ -140,12 +83,15 @@ PyCode_NewEmpty(const char *filename, const char *funcname, int firstlineno); 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; -#ifndef Py_LIMITED_API /* Update *bounds to describe the first and one-past-the-last instructions in the same line as lasti. Return the number of that line. */ @@ -158,23 +104,13 @@ PyAPI_FUNC(int) _PyCode_CheckLineNumber(PyCodeObject* co, * * Return (type(obj), obj, ...): a tuple with variable size (at least 2 items) * depending on the type and the value. The type is the first item to not - * compare bytes and str which can raise a BytesWarning exception. */ + * compare bytes and unicode which can raise a BytesWarning exception. */ PyAPI_FUNC(PyObject*) _PyCode_ConstantKey(PyObject *obj); -#endif PyAPI_FUNC(PyObject*) PyCode_Optimize(PyObject *code, PyObject* consts, - PyObject *names, PyObject *lnotab); - - -#ifndef Py_LIMITED_API -PyAPI_FUNC(int) _PyCode_GetExtra(PyObject *code, Py_ssize_t index, - void **extra); -PyAPI_FUNC(int) _PyCode_SetExtra(PyObject *code, Py_ssize_t index, - void *extra); -#endif + PyObject *names, PyObject *lineno_obj); #ifdef __cplusplus } #endif #endif /* !Py_CODE_H */ -#endif /* Py_LIMITED_API */ |