summaryrefslogtreecommitdiffstats
path: root/contrib/tools/python3/src/Include/cpython/code.h
diff options
context:
space:
mode:
authornkozlovskiy <[email protected]>2023-09-29 12:24:06 +0300
committernkozlovskiy <[email protected]>2023-09-29 12:41:34 +0300
commite0e3e1717e3d33762ce61950504f9637a6e669ed (patch)
treebca3ff6939b10ed60c3d5c12439963a1146b9711 /contrib/tools/python3/src/Include/cpython/code.h
parent38f2c5852db84c7b4d83adfcb009eb61541d1ccd (diff)
add ydb deps
Diffstat (limited to 'contrib/tools/python3/src/Include/cpython/code.h')
-rw-r--r--contrib/tools/python3/src/Include/cpython/code.h236
1 files changed, 236 insertions, 0 deletions
diff --git a/contrib/tools/python3/src/Include/cpython/code.h b/contrib/tools/python3/src/Include/cpython/code.h
new file mode 100644
index 00000000000..7006060cc76
--- /dev/null
+++ b/contrib/tools/python3/src/Include/cpython/code.h
@@ -0,0 +1,236 @@
+/* Definitions for bytecode */
+
+#ifndef Py_LIMITED_API
+#ifndef Py_CODE_H
+#define Py_CODE_H
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* 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 uint16_t _Py_CODEUNIT;
+
+#ifdef WORDS_BIGENDIAN
+# define _Py_OPCODE(word) ((word) >> 8)
+# define _Py_OPARG(word) ((word) & 255)
+# define _Py_MAKECODEUNIT(opcode, oparg) (((opcode)<<8)|(oparg))
+#else
+# define _Py_OPCODE(word) ((word) & 255)
+# define _Py_OPARG(word) ((word) >> 8)
+# define _Py_MAKECODEUNIT(opcode, oparg) ((opcode)|((oparg)<<8))
+#endif
+
+// Use "unsigned char" instead of "uint8_t" here to avoid illegal aliasing:
+#define _Py_SET_OPCODE(word, opcode) (((unsigned char *)&(word))[0] = (opcode))
+
+// 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 */ \
+ short co_warmup; /* Warmup counter for quickening */ \
+ short _co_linearray_entry_size; /* Size of each entry in _co_linearray */ \
+ \
+ /* 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_nlocals; /* number of local variables */ \
+ int co_nplaincellvars; /* number of non-arg cell variables */ \
+ int co_ncellvars; /* total number of cell variables */ \
+ int co_nfreevars; /* number of free variables */ \
+ \
+ 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 */ \
+ PyObject *_co_code; /* cached co_code object/attribute */ \
+ char *_co_linearray; /* array of line offsets */ \
+ 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)
+#define PyCode_GetNumFree(op) ((op)->co_nfreevars)
+#define _PyCode_CODE(CO) ((_Py_CODEUNIT *)(CO)->co_code_adaptive)
+#define _PyCode_NBYTES(CO) (Py_SIZE(CO) * (Py_ssize_t)sizeof(_Py_CODEUNIT))
+
+/* Public interface */
+PyAPI_FUNC(PyCodeObject *) PyCode_New(
+ int, int, int, int, int, PyObject *, PyObject *,
+ PyObject *, PyObject *, PyObject *, PyObject *,
+ PyObject *, PyObject *, PyObject *, int, PyObject *,
+ PyObject *);
+
+PyAPI_FUNC(PyCodeObject *) PyCode_NewWithPosOnlyArgs(
+ int, int, int, int, int, int, PyObject *, PyObject *,
+ PyObject *, PyObject *, PyObject *, PyObject *,
+ PyObject *, PyObject *, PyObject *, int, PyObject *,
+ 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);
+
+PyAPI_FUNC(int) PyCode_Addr2Location(PyCodeObject *, int, int *, int *, int *, int *);
+
+/* 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) _PyCode_GetExtra(PyObject *code, Py_ssize_t index,
+ void **extra);
+PyAPI_FUNC(int) _PyCode_SetExtra(PyObject *code, Py_ssize_t index,
+ void *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