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| author | Devtools Arcadia <arcadia-devtools@yandex-team.ru> | 2022-02-07 18:08:42 +0300 |
|---|---|---|
| committer | Devtools Arcadia <arcadia-devtools@mous.vla.yp-c.yandex.net> | 2022-02-07 18:08:42 +0300 |
| commit | 1110808a9d39d4b808aef724c861a2e1a38d2a69 (patch) | |
| tree | e26c9fed0de5d9873cce7e00bc214573dc2195b7 /contrib/tools/python/src/Include/frameobject.h | |
| download | ydb-1110808a9d39d4b808aef724c861a2e1a38d2a69.tar.gz | |
intermediate changes
ref:cde9a383711a11544ce7e107a78147fb96cc4029
Diffstat (limited to 'contrib/tools/python/src/Include/frameobject.h')
| -rw-r--r-- | contrib/tools/python/src/Include/frameobject.h | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/contrib/tools/python/src/Include/frameobject.h b/contrib/tools/python/src/Include/frameobject.h new file mode 100644 index 0000000000..34603794c6 --- /dev/null +++ b/contrib/tools/python/src/Include/frameobject.h @@ -0,0 +1,89 @@ + +/* Frame object interface */ + +#ifndef Py_FRAMEOBJECT_H +#define Py_FRAMEOBJECT_H +#ifdef __cplusplus +extern "C" { +#endif + +typedef struct { + int b_type; /* what kind of block this is */ + int b_handler; /* where to jump to find handler */ + int b_level; /* value stack level to pop to */ +} PyTryBlock; + +typedef struct _frame { + PyObject_VAR_HEAD + struct _frame *f_back; /* previous frame, or NULL */ + PyCodeObject *f_code; /* code segment */ + PyObject *f_builtins; /* builtin symbol table (PyDictObject) */ + PyObject *f_globals; /* global symbol table (PyDictObject) */ + PyObject *f_locals; /* local symbol table (any mapping) */ + PyObject **f_valuestack; /* points after the last local */ + /* Next free slot in f_valuestack. Frame creation sets to f_valuestack. + Frame evaluation usually NULLs it, but a frame that yields sets it + to the current stack top. */ + PyObject **f_stacktop; + PyObject *f_trace; /* Trace function */ + + /* If an exception is raised in this frame, the next three are used to + * record the exception info (if any) originally in the thread state. See + * comments before set_exc_info() -- it's not obvious. + * Invariant: if _type is NULL, then so are _value and _traceback. + * Desired invariant: all three are NULL, or all three are non-NULL. That + * one isn't currently true, but "should be". + */ + PyObject *f_exc_type, *f_exc_value, *f_exc_traceback; + + PyThreadState *f_tstate; + int f_lasti; /* Last instruction if called */ + /* Call PyFrame_GetLineNumber() instead of reading this field + directly. As of 2.3 f_lineno is only valid when tracing is + active (i.e. when f_trace is set). At other times we use + PyCode_Addr2Line to calculate the line from the current + bytecode index. */ + int f_lineno; /* Current line number */ + int f_iblock; /* index in f_blockstack */ + PyTryBlock f_blockstack[CO_MAXBLOCKS]; /* for try and loop blocks */ + PyObject *f_localsplus[1]; /* locals+stack, dynamically sized */ +} PyFrameObject; + + +/* Standard object interface */ + +PyAPI_DATA(PyTypeObject) PyFrame_Type; + +#define PyFrame_Check(op) (Py_TYPE(op) == &PyFrame_Type) +#define PyFrame_IsRestricted(f) \ + ((f)->f_tstate && (f)->f_builtins != (f)->f_tstate->interp->builtins) + +PyAPI_FUNC(PyFrameObject *) PyFrame_New(PyThreadState *, PyCodeObject *, + PyObject *, PyObject *); + + +/* The rest of the interface is specific for frame objects */ + +/* Block management functions */ + +PyAPI_FUNC(void) PyFrame_BlockSetup(PyFrameObject *, int, int, int); +PyAPI_FUNC(PyTryBlock *) PyFrame_BlockPop(PyFrameObject *); + +/* Extend the value stack */ + +PyAPI_FUNC(PyObject **) PyFrame_ExtendStack(PyFrameObject *, int, int); + +/* Conversions between "fast locals" and locals in dictionary */ + +PyAPI_FUNC(void) PyFrame_LocalsToFast(PyFrameObject *, int); +PyAPI_FUNC(void) PyFrame_FastToLocals(PyFrameObject *); + +PyAPI_FUNC(int) PyFrame_ClearFreeList(void); + +/* Return the line of code the frame is currently executing. */ +PyAPI_FUNC(int) PyFrame_GetLineNumber(PyFrameObject *); + +#ifdef __cplusplus +} +#endif +#endif /* !Py_FRAMEOBJECT_H */ |