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| author | AlexSm <[email protected]> | 2024-03-05 10:40:59 +0100 |
|---|---|---|
| committer | GitHub <[email protected]> | 2024-03-05 12:40:59 +0300 |
| commit | 1ac13c847b5358faba44dbb638a828e24369467b (patch) | |
| tree | 07672b4dd3604ad3dee540a02c6494cb7d10dc3d /contrib/tools/python3/src/Include/cpython/code.h | |
| parent | ffcca3e7f7958ddc6487b91d3df8c01054bd0638 (diff) | |
Library import 16 (#2433)
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Diffstat (limited to 'contrib/tools/python3/src/Include/cpython/code.h')
| -rw-r--r-- | contrib/tools/python3/src/Include/cpython/code.h | 389 |
1 files changed, 0 insertions, 389 deletions
diff --git a/contrib/tools/python3/src/Include/cpython/code.h b/contrib/tools/python3/src/Include/cpython/code.h deleted file mode 100644 index 03834b20c3e..00000000000 --- a/contrib/tools/python3/src/Include/cpython/code.h +++ /dev/null @@ -1,389 +0,0 @@ -/* Definitions for bytecode */ - -#ifndef Py_LIMITED_API -#ifndef Py_CODE_H -#define Py_CODE_H - -#ifdef __cplusplus -extern "C" { -#endif - -/* Count of all local monitoring events */ -#define _PY_MONITORING_LOCAL_EVENTS 10 -/* Count of all "real" monitoring events (not derived from other events) */ -#define _PY_MONITORING_UNGROUPED_EVENTS 15 -/* Count of all monitoring events */ -#define _PY_MONITORING_EVENTS 17 - -/* Tables of which tools are active for each monitored event. */ -/* For 3.12 ABI compatibility this is over sized */ -typedef struct _Py_LocalMonitors { - /* Only _PY_MONITORING_LOCAL_EVENTS of these are used */ - uint8_t tools[_PY_MONITORING_UNGROUPED_EVENTS]; -} _Py_LocalMonitors; - -typedef struct _Py_GlobalMonitors { - uint8_t tools[_PY_MONITORING_UNGROUPED_EVENTS]; -} _Py_GlobalMonitors; - -/* Each instruction in a code object is a fixed-width value, - * currently 2 bytes: 1-byte opcode + 1-byte oparg. The EXTENDED_ARG - * opcode allows for larger values but the current limit is 3 uses - * of EXTENDED_ARG (see Python/compile.c), for a maximum - * 32-bit value. This aligns with the note in Python/compile.c - * (compiler_addop_i_line) indicating that the max oparg value is - * 2**32 - 1, rather than INT_MAX. - */ - -typedef union { - uint16_t cache; - struct { - uint8_t code; - uint8_t arg; - } op; -} _Py_CODEUNIT; - - -/* These macros only remain defined for compatibility. */ -#define _Py_OPCODE(word) ((word).op.code) -#define _Py_OPARG(word) ((word).op.arg) - -static inline _Py_CODEUNIT -_py_make_codeunit(uint8_t opcode, uint8_t oparg) -{ - // No designated initialisers because of C++ compat - _Py_CODEUNIT word; - word.op.code = opcode; - word.op.arg = oparg; - return word; -} - -static inline void -_py_set_opcode(_Py_CODEUNIT *word, uint8_t opcode) -{ - word->op.code = opcode; -} - -#define _Py_MAKE_CODEUNIT(opcode, oparg) _py_make_codeunit((opcode), (oparg)) -#define _Py_SET_OPCODE(word, opcode) _py_set_opcode(&(word), (opcode)) - - -typedef struct { - PyObject *_co_code; - PyObject *_co_varnames; - PyObject *_co_cellvars; - PyObject *_co_freevars; -} _PyCoCached; - -/* Ancilliary data structure used for instrumentation. - Line instrumentation creates an array of - these. One entry per code unit.*/ -typedef struct { - uint8_t original_opcode; - int8_t line_delta; -} _PyCoLineInstrumentationData; - -/* Main data structure used for instrumentation. - * This is allocated when needed for instrumentation - */ -typedef struct { - /* Monitoring specific to this code object */ - _Py_LocalMonitors local_monitors; - /* Monitoring that is active on this code object */ - _Py_LocalMonitors active_monitors; - /* The tools that are to be notified for events for the matching code unit */ - uint8_t *tools; - /* Information to support line events */ - _PyCoLineInstrumentationData *lines; - /* The tools that are to be notified for line events for the matching code unit */ - uint8_t *line_tools; - /* Information to support instruction events */ - /* The underlying instructions, which can themselves be instrumented */ - uint8_t *per_instruction_opcodes; - /* The tools that are to be notified for instruction events for the matching code unit */ - uint8_t *per_instruction_tools; -} _PyCoMonitoringData; - -// To avoid repeating ourselves in deepfreeze.py, all PyCodeObject members are -// defined in this macro: -#define _PyCode_DEF(SIZE) { \ - PyObject_VAR_HEAD \ - \ - /* Note only the following fields are used in hash and/or comparisons \ - * \ - * - co_name \ - * - co_argcount \ - * - co_posonlyargcount \ - * - co_kwonlyargcount \ - * - co_nlocals \ - * - co_stacksize \ - * - co_flags \ - * - co_firstlineno \ - * - co_consts \ - * - co_names \ - * - co_localsplusnames \ - * 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. \ - */ \ - \ - /* These fields are set with provided values on new code objects. */ \ - \ - /* The hottest fields (in the eval loop) are grouped here at the top. */ \ - PyObject *co_consts; /* list (constants used) */ \ - PyObject *co_names; /* list of strings (names used) */ \ - PyObject *co_exceptiontable; /* Byte string encoding exception handling \ - table */ \ - int co_flags; /* CO_..., see below */ \ - \ - /* The rest are not so impactful on performance. */ \ - int co_argcount; /* #arguments, except *args */ \ - int co_posonlyargcount; /* #positional only arguments */ \ - int co_kwonlyargcount; /* #keyword only arguments */ \ - int co_stacksize; /* #entries needed for evaluation stack */ \ - int co_firstlineno; /* first source line number */ \ - \ - /* redundant values (derived from co_localsplusnames and \ - co_localspluskinds) */ \ - int co_nlocalsplus; /* number of local + cell + free variables */ \ - int co_framesize; /* Size of frame in words */ \ - int co_nlocals; /* number of local variables */ \ - int co_ncellvars; /* total number of cell variables */ \ - int co_nfreevars; /* number of free variables */ \ - uint32_t co_version; /* version number */ \ - \ - PyObject *co_localsplusnames; /* tuple mapping offsets to names */ \ - PyObject *co_localspluskinds; /* Bytes mapping to local kinds (one byte \ - per variable) */ \ - PyObject *co_filename; /* unicode (where it was loaded from) */ \ - PyObject *co_name; /* unicode (name, for reference) */ \ - PyObject *co_qualname; /* unicode (qualname, for reference) */ \ - PyObject *co_linetable; /* bytes object that holds location info */ \ - PyObject *co_weakreflist; /* to support weakrefs to code objects */ \ - _PyCoCached *_co_cached; /* cached co_* attributes */ \ - uint64_t _co_instrumentation_version; /* current instrumentation version */ \ - _PyCoMonitoringData *_co_monitoring; /* Monitoring data */ \ - int _co_firsttraceable; /* index of first traceable instruction */ \ - /* 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; \ - char co_code_adaptive[(SIZE)]; \ -} - -/* Bytecode object */ -struct PyCodeObject _PyCode_DEF(1); - -/* 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_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 - -/* bpo-39562: These constant values are changed in Python 3.9 - to prevent collision with compiler flags. CO_FUTURE_ and PyCF_ - constants must be kept unique. PyCF_ constants can use bits from - 0x0100 to 0x10000. CO_FUTURE_ constants use bits starting at 0x20000. */ -#define CO_FUTURE_DIVISION 0x20000 -#define CO_FUTURE_ABSOLUTE_IMPORT 0x40000 /* do absolute imports by default */ -#define CO_FUTURE_WITH_STATEMENT 0x80000 -#define CO_FUTURE_PRINT_FUNCTION 0x100000 -#define CO_FUTURE_UNICODE_LITERALS 0x200000 - -#define CO_FUTURE_BARRY_AS_BDFL 0x400000 -#define CO_FUTURE_GENERATOR_STOP 0x800000 -#define CO_FUTURE_ANNOTATIONS 0x1000000 - -/* 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) Py_IS_TYPE((op), &PyCode_Type) - -static inline Py_ssize_t PyCode_GetNumFree(PyCodeObject *op) { - assert(PyCode_Check(op)); - return op->co_nfreevars; -} - -static inline int PyCode_GetFirstFree(PyCodeObject *op) { - assert(PyCode_Check(op)); - return op->co_nlocalsplus - op->co_nfreevars; -} - -#define _PyCode_CODE(CO) _Py_RVALUE((_Py_CODEUNIT *)(CO)->co_code_adaptive) -#define _PyCode_NBYTES(CO) (Py_SIZE(CO) * (Py_ssize_t)sizeof(_Py_CODEUNIT)) - -/* Unstable public interface */ -PyAPI_FUNC(PyCodeObject *) PyUnstable_Code_New( - int, int, int, int, int, PyObject *, PyObject *, - PyObject *, PyObject *, PyObject *, PyObject *, - PyObject *, PyObject *, PyObject *, int, PyObject *, - PyObject *); - -PyAPI_FUNC(PyCodeObject *) PyUnstable_Code_NewWithPosOnlyArgs( - int, int, int, int, int, int, PyObject *, PyObject *, - PyObject *, PyObject *, PyObject *, PyObject *, - PyObject *, PyObject *, PyObject *, int, PyObject *, - PyObject *); - /* same as struct above */ -// Old names -- remove when this API changes: -_Py_DEPRECATED_EXTERNALLY(3.12) static inline PyCodeObject * -PyCode_New( - int a, int b, int c, int d, int e, PyObject *f, PyObject *g, - PyObject *h, PyObject *i, PyObject *j, PyObject *k, - PyObject *l, PyObject *m, PyObject *n, int o, PyObject *p, - PyObject *q) -{ - return PyUnstable_Code_New( - a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q); -} -_Py_DEPRECATED_EXTERNALLY(3.12) static inline PyCodeObject * -PyCode_NewWithPosOnlyArgs( - int a, int poac, int b, int c, int d, int e, PyObject *f, PyObject *g, - PyObject *h, PyObject *i, PyObject *j, PyObject *k, - PyObject *l, PyObject *m, PyObject *n, int o, PyObject *p, - PyObject *q) -{ - return PyUnstable_Code_NewWithPosOnlyArgs( - a, poac, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q); -} - -/* 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); - -PyAPI_FUNC(int) PyCode_Addr2Location(PyCodeObject *, int, int *, int *, int *, int *); - -#define PY_FOREACH_CODE_EVENT(V) \ - V(CREATE) \ - V(DESTROY) - -typedef enum { - #define PY_DEF_EVENT(op) PY_CODE_EVENT_##op, - PY_FOREACH_CODE_EVENT(PY_DEF_EVENT) - #undef PY_DEF_EVENT -} PyCodeEvent; - - -/* - * A callback that is invoked for different events in a code object's lifecycle. - * - * The callback is invoked with a borrowed reference to co, after it is - * created and before it is destroyed. - * - * If the callback sets an exception, it must return -1. Otherwise - * it should return 0. - */ -typedef int (*PyCode_WatchCallback)( - PyCodeEvent event, - PyCodeObject* co); - -/* - * Register a per-interpreter callback that will be invoked for code object - * lifecycle events. - * - * Returns a handle that may be passed to PyCode_ClearWatcher on success, - * or -1 and sets an error if no more handles are available. - */ -PyAPI_FUNC(int) PyCode_AddWatcher(PyCode_WatchCallback callback); - -/* - * Clear the watcher associated with the watcher_id handle. - * - * Returns 0 on success or -1 if no watcher exists for the provided id. - */ -PyAPI_FUNC(int) PyCode_ClearWatcher(int watcher_id); - -/* for internal use only */ -struct _opaque { - int computed_line; - const uint8_t *lo_next; - const uint8_t *limit; -}; - -typedef struct _line_offsets { - int ar_start; - int ar_end; - int ar_line; - struct _opaque opaque; -} PyCodeAddressRange; - -/* 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(int lasti, PyCodeAddressRange *bounds); - -/* Create a comparable key used to compare constants taking in account the - * object type. It is used to make sure types are not coerced (e.g., float and - * complex) _and_ to distinguish 0.0 from -0.0 e.g. on IEEE platforms - * - * 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. */ -PyAPI_FUNC(PyObject*) _PyCode_ConstantKey(PyObject *obj); - -PyAPI_FUNC(PyObject*) PyCode_Optimize(PyObject *code, PyObject* consts, - PyObject *names, PyObject *lnotab); - -PyAPI_FUNC(int) PyUnstable_Code_GetExtra( - PyObject *code, Py_ssize_t index, void **extra); -PyAPI_FUNC(int) PyUnstable_Code_SetExtra( - PyObject *code, Py_ssize_t index, void *extra); -// Old names -- remove when this API changes: -_Py_DEPRECATED_EXTERNALLY(3.12) static inline int -_PyCode_GetExtra(PyObject *code, Py_ssize_t index, void **extra) -{ - return PyUnstable_Code_GetExtra(code, index, extra); -} -_Py_DEPRECATED_EXTERNALLY(3.12) static inline int -_PyCode_SetExtra(PyObject *code, Py_ssize_t index, void *extra) -{ - return PyUnstable_Code_SetExtra(code, index, extra); -} - -/* Equivalent to getattr(code, 'co_code') in Python. - Returns a strong reference to a bytes object. */ -PyAPI_FUNC(PyObject *) PyCode_GetCode(PyCodeObject *code); -/* Equivalent to getattr(code, 'co_varnames') in Python. */ -PyAPI_FUNC(PyObject *) PyCode_GetVarnames(PyCodeObject *code); -/* Equivalent to getattr(code, 'co_cellvars') in Python. */ -PyAPI_FUNC(PyObject *) PyCode_GetCellvars(PyCodeObject *code); -/* Equivalent to getattr(code, 'co_freevars') in Python. */ -PyAPI_FUNC(PyObject *) PyCode_GetFreevars(PyCodeObject *code); - -typedef enum _PyCodeLocationInfoKind { - /* short forms are 0 to 9 */ - PY_CODE_LOCATION_INFO_SHORT0 = 0, - /* one lineforms are 10 to 12 */ - PY_CODE_LOCATION_INFO_ONE_LINE0 = 10, - PY_CODE_LOCATION_INFO_ONE_LINE1 = 11, - PY_CODE_LOCATION_INFO_ONE_LINE2 = 12, - - PY_CODE_LOCATION_INFO_NO_COLUMNS = 13, - PY_CODE_LOCATION_INFO_LONG = 14, - PY_CODE_LOCATION_INFO_NONE = 15 -} _PyCodeLocationInfoKind; - -#ifdef __cplusplus -} -#endif -#endif // !Py_CODE_H -#endif // !Py_LIMITED_API |
