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authormonster <monster@ydb.tech>2022-07-07 14:41:37 +0300
committermonster <monster@ydb.tech>2022-07-07 14:41:37 +0300
commit06e5c21a835c0e923506c4ff27929f34e00761c2 (patch)
tree75efcbc6854ef9bd476eb8bf00cc5c900da436a2 /contrib/tools/python3/src/Python/pythonrun.c
parent03f024c4412e3aa613bb543cf1660176320ba8f4 (diff)
downloadydb-06e5c21a835c0e923506c4ff27929f34e00761c2.tar.gz
fix ya.make
Diffstat (limited to 'contrib/tools/python3/src/Python/pythonrun.c')
-rw-r--r--contrib/tools/python3/src/Python/pythonrun.c1589
1 files changed, 0 insertions, 1589 deletions
diff --git a/contrib/tools/python3/src/Python/pythonrun.c b/contrib/tools/python3/src/Python/pythonrun.c
deleted file mode 100644
index 0f1794acec..0000000000
--- a/contrib/tools/python3/src/Python/pythonrun.c
+++ /dev/null
@@ -1,1589 +0,0 @@
-
-/* Top level execution of Python code (including in __main__) */
-
-/* To help control the interfaces between the startup, execution and
- * shutdown code, the phases are split across separate modules (bootstrap,
- * pythonrun, shutdown)
- */
-
-/* TODO: Cull includes following phase split */
-
-#include "Python.h"
-
-#include "pycore_ast.h" // PyAST_mod2obj
-#include "pycore_compile.h" // _PyAST_Compile()
-#include "pycore_interp.h" // PyInterpreterState.importlib
-#include "pycore_object.h" // _PyDebug_PrintTotalRefs(),
- // _PyType_GetQualName()
-#include "pycore_parser.h" // _PyParser_ASTFromString()
-#include "pycore_pyerrors.h" // _PyErr_Fetch, _Py_Offer_Suggestions
-#include "pycore_pylifecycle.h" // _Py_UnhandledKeyboardInterrupt
-#include "pycore_pystate.h" // _PyInterpreterState_GET()
-#include "pycore_sysmodule.h" // _PySys_Audit()
-
-#include "token.h" // INDENT
-#include "errcode.h" // E_EOF
-#include "code.h" // PyCodeObject
-#include "marshal.h" // PyMarshal_ReadLongFromFile()
-
-#ifdef MS_WINDOWS
-# include "malloc.h" // alloca()
-#endif
-
-#ifdef MS_WINDOWS
-# undef BYTE
-# include "windows.h"
-#endif
-
-
-_Py_IDENTIFIER(builtins);
-_Py_IDENTIFIER(excepthook);
-_Py_IDENTIFIER(flush);
-_Py_IDENTIFIER(last_traceback);
-_Py_IDENTIFIER(last_type);
-_Py_IDENTIFIER(last_value);
-_Py_IDENTIFIER(ps1);
-_Py_IDENTIFIER(ps2);
-_Py_IDENTIFIER(stdin);
-_Py_IDENTIFIER(stdout);
-_Py_IDENTIFIER(stderr);
-_Py_static_string(PyId_string, "<string>");
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/* Forward */
-static void flush_io(void);
-static PyObject *run_mod(mod_ty, PyObject *, PyObject *, PyObject *,
- PyCompilerFlags *, PyArena *);
-static PyObject *run_pyc_file(FILE *, PyObject *, PyObject *,
- PyCompilerFlags *);
-static int PyRun_InteractiveOneObjectEx(FILE *, PyObject *, PyCompilerFlags *);
-static PyObject* pyrun_file(FILE *fp, PyObject *filename, int start,
- PyObject *globals, PyObject *locals, int closeit,
- PyCompilerFlags *flags);
-
-
-int
-_PyRun_AnyFileObject(FILE *fp, PyObject *filename, int closeit,
- PyCompilerFlags *flags)
-{
- int decref_filename = 0;
- if (filename == NULL) {
- filename = PyUnicode_FromString("???");
- if (filename == NULL) {
- PyErr_Print();
- return -1;
- }
- decref_filename = 1;
- }
-
- int res;
- if (_Py_FdIsInteractive(fp, filename)) {
- res = _PyRun_InteractiveLoopObject(fp, filename, flags);
- if (closeit) {
- fclose(fp);
- }
- }
- else {
- res = _PyRun_SimpleFileObject(fp, filename, closeit, flags);
- }
-
- if (decref_filename) {
- Py_DECREF(filename);
- }
- return res;
-}
-
-
-/* Parse input from a file and execute it */
-int
-PyRun_AnyFileExFlags(FILE *fp, const char *filename, int closeit,
- PyCompilerFlags *flags)
-{
- PyObject *filename_obj;
- if (filename != NULL) {
- filename_obj = PyUnicode_DecodeFSDefault(filename);
- if (filename_obj == NULL) {
- PyErr_Print();
- return -1;
- }
- }
- else {
- filename_obj = NULL;
- }
- int res = _PyRun_AnyFileObject(fp, filename_obj, closeit, flags);
- Py_XDECREF(filename_obj);
- return res;
-}
-
-
-int
-_PyRun_InteractiveLoopObject(FILE *fp, PyObject *filename, PyCompilerFlags *flags)
-{
- PyCompilerFlags local_flags = _PyCompilerFlags_INIT;
- if (flags == NULL) {
- flags = &local_flags;
- }
-
- PyObject *v = _PySys_GetObjectId(&PyId_ps1);
- if (v == NULL) {
- _PySys_SetObjectId(&PyId_ps1, v = PyUnicode_FromString(">>> "));
- Py_XDECREF(v);
- }
- v = _PySys_GetObjectId(&PyId_ps2);
- if (v == NULL) {
- _PySys_SetObjectId(&PyId_ps2, v = PyUnicode_FromString("... "));
- Py_XDECREF(v);
- }
-
-#ifdef Py_REF_DEBUG
- int show_ref_count = _Py_GetConfig()->show_ref_count;
-#endif
- int err = 0;
- int ret;
- int nomem_count = 0;
- do {
- ret = PyRun_InteractiveOneObjectEx(fp, filename, flags);
- if (ret == -1 && PyErr_Occurred()) {
- /* Prevent an endless loop after multiple consecutive MemoryErrors
- * while still allowing an interactive command to fail with a
- * MemoryError. */
- if (PyErr_ExceptionMatches(PyExc_MemoryError)) {
- if (++nomem_count > 16) {
- PyErr_Clear();
- err = -1;
- break;
- }
- } else {
- nomem_count = 0;
- }
- PyErr_Print();
- flush_io();
- } else {
- nomem_count = 0;
- }
-#ifdef Py_REF_DEBUG
- if (show_ref_count) {
- _PyDebug_PrintTotalRefs();
- }
-#endif
- } while (ret != E_EOF);
- return err;
-}
-
-
-int
-PyRun_InteractiveLoopFlags(FILE *fp, const char *filename, PyCompilerFlags *flags)
-{
- PyObject *filename_obj = PyUnicode_DecodeFSDefault(filename);
- if (filename_obj == NULL) {
- PyErr_Print();
- return -1;
- }
-
- int err = _PyRun_InteractiveLoopObject(fp, filename_obj, flags);
- Py_DECREF(filename_obj);
- return err;
-
-}
-
-
-/* A PyRun_InteractiveOneObject() auxiliary function that does not print the
- * error on failure. */
-static int
-PyRun_InteractiveOneObjectEx(FILE *fp, PyObject *filename,
- PyCompilerFlags *flags)
-{
- PyObject *m, *d, *v, *w, *oenc = NULL, *mod_name;
- mod_ty mod;
- PyArena *arena;
- const char *ps1 = "", *ps2 = "", *enc = NULL;
- int errcode = 0;
- _Py_IDENTIFIER(encoding);
- _Py_IDENTIFIER(__main__);
-
- mod_name = _PyUnicode_FromId(&PyId___main__); /* borrowed */
- if (mod_name == NULL) {
- return -1;
- }
-
- if (fp == stdin) {
- /* Fetch encoding from sys.stdin if possible. */
- v = _PySys_GetObjectId(&PyId_stdin);
- if (v && v != Py_None) {
- oenc = _PyObject_GetAttrId(v, &PyId_encoding);
- if (oenc)
- enc = PyUnicode_AsUTF8(oenc);
- if (!enc)
- PyErr_Clear();
- }
- }
- v = _PySys_GetObjectId(&PyId_ps1);
- if (v != NULL) {
- v = PyObject_Str(v);
- if (v == NULL)
- PyErr_Clear();
- else if (PyUnicode_Check(v)) {
- ps1 = PyUnicode_AsUTF8(v);
- if (ps1 == NULL) {
- PyErr_Clear();
- ps1 = "";
- }
- }
- }
- w = _PySys_GetObjectId(&PyId_ps2);
- if (w != NULL) {
- w = PyObject_Str(w);
- if (w == NULL)
- PyErr_Clear();
- else if (PyUnicode_Check(w)) {
- ps2 = PyUnicode_AsUTF8(w);
- if (ps2 == NULL) {
- PyErr_Clear();
- ps2 = "";
- }
- }
- }
- arena = _PyArena_New();
- if (arena == NULL) {
- Py_XDECREF(v);
- Py_XDECREF(w);
- Py_XDECREF(oenc);
- return -1;
- }
-
- mod = _PyParser_ASTFromFile(fp, filename, enc, Py_single_input,
- ps1, ps2, flags, &errcode, arena);
-
- Py_XDECREF(v);
- Py_XDECREF(w);
- Py_XDECREF(oenc);
- if (mod == NULL) {
- _PyArena_Free(arena);
- if (errcode == E_EOF) {
- PyErr_Clear();
- return E_EOF;
- }
- return -1;
- }
- m = PyImport_AddModuleObject(mod_name);
- if (m == NULL) {
- _PyArena_Free(arena);
- return -1;
- }
- d = PyModule_GetDict(m);
- v = run_mod(mod, filename, d, d, flags, arena);
- _PyArena_Free(arena);
- if (v == NULL) {
- return -1;
- }
- Py_DECREF(v);
- flush_io();
- return 0;
-}
-
-int
-PyRun_InteractiveOneObject(FILE *fp, PyObject *filename, PyCompilerFlags *flags)
-{
- int res;
-
- res = PyRun_InteractiveOneObjectEx(fp, filename, flags);
- if (res == -1) {
- PyErr_Print();
- flush_io();
- }
- return res;
-}
-
-int
-PyRun_InteractiveOneFlags(FILE *fp, const char *filename_str, PyCompilerFlags *flags)
-{
- PyObject *filename;
- int res;
-
- filename = PyUnicode_DecodeFSDefault(filename_str);
- if (filename == NULL) {
- PyErr_Print();
- return -1;
- }
- res = PyRun_InteractiveOneObject(fp, filename, flags);
- Py_DECREF(filename);
- return res;
-}
-
-
-/* Check whether a file maybe a pyc file: Look at the extension,
- the file type, and, if we may close it, at the first few bytes. */
-
-static int
-maybe_pyc_file(FILE *fp, PyObject *filename, int closeit)
-{
- PyObject *ext = PyUnicode_FromString(".pyc");
- if (ext == NULL) {
- return -1;
- }
- Py_ssize_t endswith = PyUnicode_Tailmatch(filename, ext, 0, PY_SSIZE_T_MAX, +1);
- Py_DECREF(ext);
- if (endswith) {
- return 1;
- }
-
- /* Only look into the file if we are allowed to close it, since
- it then should also be seekable. */
- if (!closeit) {
- return 0;
- }
-
- /* Read only two bytes of the magic. If the file was opened in
- text mode, the bytes 3 and 4 of the magic (\r\n) might not
- be read as they are on disk. */
- unsigned int halfmagic = PyImport_GetMagicNumber() & 0xFFFF;
- unsigned char buf[2];
- /* Mess: In case of -x, the stream is NOT at its start now,
- and ungetc() was used to push back the first newline,
- which makes the current stream position formally undefined,
- and a x-platform nightmare.
- Unfortunately, we have no direct way to know whether -x
- was specified. So we use a terrible hack: if the current
- stream position is not 0, we assume -x was specified, and
- give up. Bug 132850 on SourceForge spells out the
- hopelessness of trying anything else (fseek and ftell
- don't work predictably x-platform for text-mode files).
- */
- int ispyc = 0;
- if (ftell(fp) == 0) {
- if (fread(buf, 1, 2, fp) == 2 &&
- ((unsigned int)buf[1]<<8 | buf[0]) == halfmagic)
- ispyc = 1;
- rewind(fp);
- }
- return ispyc;
-}
-
-
-static int
-set_main_loader(PyObject *d, PyObject *filename, const char *loader_name)
-{
- PyInterpreterState *interp = _PyInterpreterState_GET();
- PyObject *bootstrap = PyObject_GetAttrString(interp->importlib,
- "_bootstrap_external");
- if (bootstrap == NULL) {
- return -1;
- }
-
- PyObject *loader_type = PyObject_GetAttrString(bootstrap, loader_name);
- Py_DECREF(bootstrap);
- if (loader_type == NULL) {
- return -1;
- }
-
- PyObject *loader = PyObject_CallFunction(loader_type,
- "sO", "__main__", filename);
- Py_DECREF(loader_type);
- if (loader == NULL) {
- return -1;
- }
-
- if (PyDict_SetItemString(d, "__loader__", loader) < 0) {
- Py_DECREF(loader);
- return -1;
- }
- Py_DECREF(loader);
- return 0;
-}
-
-
-int
-_PyRun_SimpleFileObject(FILE *fp, PyObject *filename, int closeit,
- PyCompilerFlags *flags)
-{
- PyObject *m, *d, *v;
- int set_file_name = 0, ret = -1;
-
- m = PyImport_AddModule("__main__");
- if (m == NULL)
- return -1;
- Py_INCREF(m);
- d = PyModule_GetDict(m);
- if (_PyDict_GetItemStringWithError(d, "__file__") == NULL) {
- if (PyErr_Occurred()) {
- goto done;
- }
- if (PyDict_SetItemString(d, "__file__", filename) < 0) {
- goto done;
- }
- if (PyDict_SetItemString(d, "__cached__", Py_None) < 0) {
- goto done;
- }
- set_file_name = 1;
- }
-
- int pyc = maybe_pyc_file(fp, filename, closeit);
- if (pyc < 0) {
- goto done;
- }
-
- if (pyc) {
- FILE *pyc_fp;
- /* Try to run a pyc file. First, re-open in binary */
- if (closeit) {
- fclose(fp);
- }
-
- pyc_fp = _Py_fopen_obj(filename, "rb");
- if (pyc_fp == NULL) {
- fprintf(stderr, "python: Can't reopen .pyc file\n");
- goto done;
- }
-
- if (set_main_loader(d, filename, "SourcelessFileLoader") < 0) {
- fprintf(stderr, "python: failed to set __main__.__loader__\n");
- ret = -1;
- fclose(pyc_fp);
- goto done;
- }
- v = run_pyc_file(pyc_fp, d, d, flags);
- } else {
- /* When running from stdin, leave __main__.__loader__ alone */
- if (PyUnicode_CompareWithASCIIString(filename, "<stdin>") != 0 &&
- set_main_loader(d, filename, "SourceFileLoader") < 0) {
- fprintf(stderr, "python: failed to set __main__.__loader__\n");
- ret = -1;
- goto done;
- }
- v = pyrun_file(fp, filename, Py_file_input, d, d,
- closeit, flags);
- }
- flush_io();
- if (v == NULL) {
- Py_CLEAR(m);
- PyErr_Print();
- goto done;
- }
- Py_DECREF(v);
- ret = 0;
- done:
- if (set_file_name) {
- if (PyDict_DelItemString(d, "__file__")) {
- PyErr_Clear();
- }
- if (PyDict_DelItemString(d, "__cached__")) {
- PyErr_Clear();
- }
- }
- Py_XDECREF(m);
- return ret;
-}
-
-
-int
-PyRun_SimpleFileExFlags(FILE *fp, const char *filename, int closeit,
- PyCompilerFlags *flags)
-{
- PyObject *filename_obj = PyUnicode_DecodeFSDefault(filename);
- if (filename_obj == NULL) {
- return -1;
- }
- int res = _PyRun_SimpleFileObject(fp, filename_obj, closeit, flags);
- Py_DECREF(filename_obj);
- return res;
-}
-
-
-int
-PyRun_SimpleStringFlags(const char *command, PyCompilerFlags *flags)
-{
- PyObject *m, *d, *v;
- m = PyImport_AddModule("__main__");
- if (m == NULL)
- return -1;
- d = PyModule_GetDict(m);
- v = PyRun_StringFlags(command, Py_file_input, d, d, flags);
- if (v == NULL) {
- PyErr_Print();
- return -1;
- }
- Py_DECREF(v);
- return 0;
-}
-
-static int
-parse_syntax_error(PyObject *err, PyObject **message, PyObject **filename,
- Py_ssize_t *lineno, Py_ssize_t *offset,
- Py_ssize_t* end_lineno, Py_ssize_t* end_offset,
- PyObject **text)
-{
- Py_ssize_t hold;
- PyObject *v;
- _Py_IDENTIFIER(msg);
- _Py_IDENTIFIER(filename);
- _Py_IDENTIFIER(lineno);
- _Py_IDENTIFIER(offset);
- _Py_IDENTIFIER(end_lineno);
- _Py_IDENTIFIER(end_offset);
- _Py_IDENTIFIER(text);
-
- *message = NULL;
- *filename = NULL;
-
- /* new style errors. `err' is an instance */
- *message = _PyObject_GetAttrId(err, &PyId_msg);
- if (!*message)
- goto finally;
-
- v = _PyObject_GetAttrId(err, &PyId_filename);
- if (!v)
- goto finally;
- if (v == Py_None) {
- Py_DECREF(v);
- *filename = _PyUnicode_FromId(&PyId_string);
- if (*filename == NULL)
- goto finally;
- Py_INCREF(*filename);
- }
- else {
- *filename = v;
- }
-
- v = _PyObject_GetAttrId(err, &PyId_lineno);
- if (!v)
- goto finally;
- hold = PyLong_AsSsize_t(v);
- Py_DECREF(v);
- if (hold < 0 && PyErr_Occurred())
- goto finally;
- *lineno = hold;
-
- v = _PyObject_GetAttrId(err, &PyId_offset);
- if (!v)
- goto finally;
- if (v == Py_None) {
- *offset = -1;
- Py_DECREF(v);
- } else {
- hold = PyLong_AsSsize_t(v);
- Py_DECREF(v);
- if (hold < 0 && PyErr_Occurred())
- goto finally;
- *offset = hold;
- }
-
- if (Py_TYPE(err) == (PyTypeObject*)PyExc_SyntaxError) {
- v = _PyObject_GetAttrId(err, &PyId_end_lineno);
- if (!v) {
- PyErr_Clear();
- *end_lineno = *lineno;
- }
- else if (v == Py_None) {
- *end_lineno = *lineno;
- Py_DECREF(v);
- } else {
- hold = PyLong_AsSsize_t(v);
- Py_DECREF(v);
- if (hold < 0 && PyErr_Occurred())
- goto finally;
- *end_lineno = hold;
- }
-
- v = _PyObject_GetAttrId(err, &PyId_end_offset);
- if (!v) {
- PyErr_Clear();
- *end_offset = -1;
- }
- else if (v == Py_None) {
- *end_offset = -1;
- Py_DECREF(v);
- } else {
- hold = PyLong_AsSsize_t(v);
- Py_DECREF(v);
- if (hold < 0 && PyErr_Occurred())
- goto finally;
- *end_offset = hold;
- }
- } else {
- // SyntaxError subclasses
- *end_lineno = *lineno;
- *end_offset = -1;
- }
-
- v = _PyObject_GetAttrId(err, &PyId_text);
- if (!v)
- goto finally;
- if (v == Py_None) {
- Py_DECREF(v);
- *text = NULL;
- }
- else {
- *text = v;
- }
- return 1;
-
-finally:
- Py_XDECREF(*message);
- Py_XDECREF(*filename);
- return 0;
-}
-
-static void
-print_error_text(PyObject *f, Py_ssize_t offset, Py_ssize_t end_offset, PyObject *text_obj)
-{
- size_t caret_repetitions = (end_offset > 0 && end_offset > offset) ? end_offset - offset : 1;
- /* Convert text to a char pointer; return if error */
- const char *text = PyUnicode_AsUTF8(text_obj);
- if (text == NULL)
- return;
-
- /* Convert offset from 1-based to 0-based */
- offset--;
-
- /* Strip leading whitespace from text, adjusting offset as we go */
- while (*text == ' ' || *text == '\t' || *text == '\f') {
- text++;
- offset--;
- }
-
- /* Calculate text length excluding trailing newline */
- Py_ssize_t len = strlen(text);
- if (len > 0 && text[len-1] == '\n') {
- len--;
- }
-
- /* Clip offset to at most len */
- if (offset > len) {
- offset = len;
- }
-
- /* Skip past newlines embedded in text */
- for (;;) {
- const char *nl = strchr(text, '\n');
- if (nl == NULL) {
- break;
- }
- Py_ssize_t inl = nl - text;
- if (inl >= offset) {
- break;
- }
- inl += 1;
- text += inl;
- len -= inl;
- offset -= (int)inl;
- }
-
- /* Print text */
- PyFile_WriteString(" ", f);
- PyFile_WriteString(text, f);
-
- /* Make sure there's a newline at the end */
- if (text[len] != '\n') {
- PyFile_WriteString("\n", f);
- }
-
- /* Don't print caret if it points to the left of the text */
- if (offset < 0)
- return;
-
- /* Write caret line */
- PyFile_WriteString(" ", f);
- while (--offset >= 0) {
- PyFile_WriteString(" ", f);
- }
- for (size_t caret_iter=0; caret_iter < caret_repetitions ; caret_iter++) {
- PyFile_WriteString("^", f);
- }
- PyFile_WriteString("\n", f);
-}
-
-
-int
-_Py_HandleSystemExit(int *exitcode_p)
-{
- int inspect = _Py_GetConfig()->inspect;
- if (inspect) {
- /* Don't exit if -i flag was given. This flag is set to 0
- * when entering interactive mode for inspecting. */
- return 0;
- }
-
- if (!PyErr_ExceptionMatches(PyExc_SystemExit)) {
- return 0;
- }
-
- PyObject *exception, *value, *tb;
- PyErr_Fetch(&exception, &value, &tb);
-
- fflush(stdout);
-
- int exitcode = 0;
- if (value == NULL || value == Py_None) {
- goto done;
- }
-
- if (PyExceptionInstance_Check(value)) {
- /* The error code should be in the `code' attribute. */
- _Py_IDENTIFIER(code);
- PyObject *code = _PyObject_GetAttrId(value, &PyId_code);
- if (code) {
- Py_DECREF(value);
- value = code;
- if (value == Py_None)
- goto done;
- }
- /* If we failed to dig out the 'code' attribute,
- just let the else clause below print the error. */
- }
-
- if (PyLong_Check(value)) {
- exitcode = (int)PyLong_AsLong(value);
- }
- else {
- PyObject *sys_stderr = _PySys_GetObjectId(&PyId_stderr);
- /* We clear the exception here to avoid triggering the assertion
- * in PyObject_Str that ensures it won't silently lose exception
- * details.
- */
- PyErr_Clear();
- if (sys_stderr != NULL && sys_stderr != Py_None) {
- PyFile_WriteObject(value, sys_stderr, Py_PRINT_RAW);
- } else {
- PyObject_Print(value, stderr, Py_PRINT_RAW);
- fflush(stderr);
- }
- PySys_WriteStderr("\n");
- exitcode = 1;
- }
-
- done:
- /* Restore and clear the exception info, in order to properly decref
- * the exception, value, and traceback. If we just exit instead,
- * these leak, which confuses PYTHONDUMPREFS output, and may prevent
- * some finalizers from running.
- */
- PyErr_Restore(exception, value, tb);
- PyErr_Clear();
- *exitcode_p = exitcode;
- return 1;
-}
-
-
-static void
-handle_system_exit(void)
-{
- int exitcode;
- if (_Py_HandleSystemExit(&exitcode)) {
- Py_Exit(exitcode);
- }
-}
-
-
-static void
-_PyErr_PrintEx(PyThreadState *tstate, int set_sys_last_vars)
-{
- PyObject *exception, *v, *tb, *hook;
-
- handle_system_exit();
-
- _PyErr_Fetch(tstate, &exception, &v, &tb);
- if (exception == NULL) {
- goto done;
- }
-
- _PyErr_NormalizeException(tstate, &exception, &v, &tb);
- if (tb == NULL) {
- tb = Py_None;
- Py_INCREF(tb);
- }
- PyException_SetTraceback(v, tb);
- if (exception == NULL) {
- goto done;
- }
-
- /* Now we know v != NULL too */
- if (set_sys_last_vars) {
- if (_PySys_SetObjectId(&PyId_last_type, exception) < 0) {
- _PyErr_Clear(tstate);
- }
- if (_PySys_SetObjectId(&PyId_last_value, v) < 0) {
- _PyErr_Clear(tstate);
- }
- if (_PySys_SetObjectId(&PyId_last_traceback, tb) < 0) {
- _PyErr_Clear(tstate);
- }
- }
- hook = _PySys_GetObjectId(&PyId_excepthook);
- if (_PySys_Audit(tstate, "sys.excepthook", "OOOO", hook ? hook : Py_None,
- exception, v, tb) < 0) {
- if (PyErr_ExceptionMatches(PyExc_RuntimeError)) {
- PyErr_Clear();
- goto done;
- }
- _PyErr_WriteUnraisableMsg("in audit hook", NULL);
- }
- if (hook) {
- PyObject* stack[3];
- PyObject *result;
-
- stack[0] = exception;
- stack[1] = v;
- stack[2] = tb;
- result = _PyObject_FastCall(hook, stack, 3);
- if (result == NULL) {
- handle_system_exit();
-
- PyObject *exception2, *v2, *tb2;
- _PyErr_Fetch(tstate, &exception2, &v2, &tb2);
- _PyErr_NormalizeException(tstate, &exception2, &v2, &tb2);
- /* It should not be possible for exception2 or v2
- to be NULL. However PyErr_Display() can't
- tolerate NULLs, so just be safe. */
- if (exception2 == NULL) {
- exception2 = Py_None;
- Py_INCREF(exception2);
- }
- if (v2 == NULL) {
- v2 = Py_None;
- Py_INCREF(v2);
- }
- fflush(stdout);
- PySys_WriteStderr("Error in sys.excepthook:\n");
- PyErr_Display(exception2, v2, tb2);
- PySys_WriteStderr("\nOriginal exception was:\n");
- PyErr_Display(exception, v, tb);
- Py_DECREF(exception2);
- Py_DECREF(v2);
- Py_XDECREF(tb2);
- }
- Py_XDECREF(result);
- }
- else {
- PySys_WriteStderr("sys.excepthook is missing\n");
- PyErr_Display(exception, v, tb);
- }
-
-done:
- Py_XDECREF(exception);
- Py_XDECREF(v);
- Py_XDECREF(tb);
-}
-
-void
-_PyErr_Print(PyThreadState *tstate)
-{
- _PyErr_PrintEx(tstate, 1);
-}
-
-void
-PyErr_PrintEx(int set_sys_last_vars)
-{
- PyThreadState *tstate = _PyThreadState_GET();
- _PyErr_PrintEx(tstate, set_sys_last_vars);
-}
-
-void
-PyErr_Print(void)
-{
- PyErr_PrintEx(1);
-}
-
-static void
-print_exception(PyObject *f, PyObject *value)
-{
- int err = 0;
- PyObject *type, *tb, *tmp;
- _Py_IDENTIFIER(print_file_and_line);
-
- if (!PyExceptionInstance_Check(value)) {
- err = PyFile_WriteString("TypeError: print_exception(): Exception expected for value, ", f);
- err += PyFile_WriteString(Py_TYPE(value)->tp_name, f);
- err += PyFile_WriteString(" found\n", f);
- if (err)
- PyErr_Clear();
- return;
- }
-
- Py_INCREF(value);
- fflush(stdout);
- type = (PyObject *) Py_TYPE(value);
- tb = PyException_GetTraceback(value);
- if (tb && tb != Py_None)
- err = PyTraceBack_Print(tb, f);
- if (err == 0 &&
- (err = _PyObject_LookupAttrId(value, &PyId_print_file_and_line, &tmp)) > 0)
- {
- PyObject *message, *filename, *text;
- Py_ssize_t lineno, offset, end_lineno, end_offset;
- err = 0;
- Py_DECREF(tmp);
- if (!parse_syntax_error(value, &message, &filename,
- &lineno, &offset,
- &end_lineno, &end_offset, &text))
- PyErr_Clear();
- else {
- PyObject *line;
-
- Py_DECREF(value);
- value = message;
-
- line = PyUnicode_FromFormat(" File \"%S\", line %zd\n",
- filename, lineno);
- Py_DECREF(filename);
- if (line != NULL) {
- PyFile_WriteObject(line, f, Py_PRINT_RAW);
- Py_DECREF(line);
- }
-
- if (text != NULL) {
- Py_ssize_t line_size;
- const char* error_line = PyUnicode_AsUTF8AndSize(text, &line_size);
- // If the location of the error spawn multiple lines, we want
- // to just print the first one and highlight everything until
- // the end of that one since we don't support multi-line error
- // messages.
- if (end_lineno > lineno) {
- end_offset = (error_line != NULL) ? line_size : -1;
- }
- // Limit the amount of '^' that we can display to
- // the size of the text in the source line.
- if (error_line != NULL && end_offset > line_size + 1) {
- end_offset = line_size + 1;
- }
- print_error_text(f, offset, end_offset, text);
- Py_DECREF(text);
- }
-
- /* Can't be bothered to check all those
- PyFile_WriteString() calls */
- if (PyErr_Occurred())
- err = -1;
- }
- }
- if (err) {
- /* Don't do anything else */
- }
- else {
- PyObject* modulename;
-
- _Py_IDENTIFIER(__module__);
- assert(PyExceptionClass_Check(type));
-
- modulename = _PyObject_GetAttrId(type, &PyId___module__);
- if (modulename == NULL || !PyUnicode_Check(modulename))
- {
- Py_XDECREF(modulename);
- PyErr_Clear();
- err = PyFile_WriteString("<unknown>.", f);
- }
- else {
- if (!_PyUnicode_EqualToASCIIId(modulename, &PyId_builtins))
- {
- err = PyFile_WriteObject(modulename, f, Py_PRINT_RAW);
- err += PyFile_WriteString(".", f);
- }
- Py_DECREF(modulename);
- }
- if (err == 0) {
- PyObject* qualname = _PyType_GetQualName((PyTypeObject *)type);
- if (qualname == NULL || !PyUnicode_Check(qualname)) {
- Py_XDECREF(qualname);
- PyErr_Clear();
- err = PyFile_WriteString("<unknown>", f);
- }
- else {
- err = PyFile_WriteObject(qualname, f, Py_PRINT_RAW);
- Py_DECREF(qualname);
- }
- }
- }
- if (err == 0 && (value != Py_None)) {
- PyObject *s = PyObject_Str(value);
- /* only print colon if the str() of the
- object is not the empty string
- */
- if (s == NULL) {
- PyErr_Clear();
- err = -1;
- PyFile_WriteString(": <exception str() failed>", f);
- }
- else if (!PyUnicode_Check(s) ||
- PyUnicode_GetLength(s) != 0)
- err = PyFile_WriteString(": ", f);
- if (err == 0)
- err = PyFile_WriteObject(s, f, Py_PRINT_RAW);
- Py_XDECREF(s);
- }
- /* try to write a newline in any case */
- if (err < 0) {
- PyErr_Clear();
- }
- PyObject* suggestions = _Py_Offer_Suggestions(value);
- if (suggestions) {
- // Add a trailer ". Did you mean: (...)?"
- err = PyFile_WriteString(". Did you mean: '", f);
- if (err == 0) {
- err = PyFile_WriteObject(suggestions, f, Py_PRINT_RAW);
- err += PyFile_WriteString("'?", f);
- }
- Py_DECREF(suggestions);
- } else if (PyErr_Occurred()) {
- PyErr_Clear();
- }
- err += PyFile_WriteString("\n", f);
- Py_XDECREF(tb);
- Py_DECREF(value);
- /* If an error happened here, don't show it.
- XXX This is wrong, but too many callers rely on this behavior. */
- if (err != 0)
- PyErr_Clear();
-}
-
-static const char cause_message[] =
- "\nThe above exception was the direct cause "
- "of the following exception:\n\n";
-
-static const char context_message[] =
- "\nDuring handling of the above exception, "
- "another exception occurred:\n\n";
-
-static void
-print_exception_recursive(PyObject *f, PyObject *value, PyObject *seen)
-{
- int err = 0, res;
- PyObject *cause, *context;
-
- if (seen != NULL) {
- /* Exception chaining */
- PyObject *value_id = PyLong_FromVoidPtr(value);
- if (value_id == NULL || PySet_Add(seen, value_id) == -1)
- PyErr_Clear();
- else if (PyExceptionInstance_Check(value)) {
- PyObject *check_id = NULL;
- cause = PyException_GetCause(value);
- context = PyException_GetContext(value);
- if (cause) {
- check_id = PyLong_FromVoidPtr(cause);
- if (check_id == NULL) {
- res = -1;
- } else {
- res = PySet_Contains(seen, check_id);
- Py_DECREF(check_id);
- }
- if (res == -1)
- PyErr_Clear();
- if (res == 0) {
- print_exception_recursive(
- f, cause, seen);
- err |= PyFile_WriteString(
- cause_message, f);
- }
- }
- else if (context &&
- !((PyBaseExceptionObject *)value)->suppress_context) {
- check_id = PyLong_FromVoidPtr(context);
- if (check_id == NULL) {
- res = -1;
- } else {
- res = PySet_Contains(seen, check_id);
- Py_DECREF(check_id);
- }
- if (res == -1)
- PyErr_Clear();
- if (res == 0) {
- print_exception_recursive(
- f, context, seen);
- err |= PyFile_WriteString(
- context_message, f);
- }
- }
- Py_XDECREF(context);
- Py_XDECREF(cause);
- }
- Py_XDECREF(value_id);
- }
- print_exception(f, value);
- if (err != 0)
- PyErr_Clear();
-}
-
-void
-_PyErr_Display(PyObject *file, PyObject *exception, PyObject *value, PyObject *tb)
-{
- assert(file != NULL && file != Py_None);
-
- PyObject *seen;
- if (PyExceptionInstance_Check(value)
- && tb != NULL && PyTraceBack_Check(tb)) {
- /* Put the traceback on the exception, otherwise it won't get
- displayed. See issue #18776. */
- PyObject *cur_tb = PyException_GetTraceback(value);
- if (cur_tb == NULL)
- PyException_SetTraceback(value, tb);
- else
- Py_DECREF(cur_tb);
- }
-
- /* We choose to ignore seen being possibly NULL, and report
- at least the main exception (it could be a MemoryError).
- */
- seen = PySet_New(NULL);
- if (seen == NULL) {
- PyErr_Clear();
- }
- print_exception_recursive(file, value, seen);
- Py_XDECREF(seen);
-
- /* Call file.flush() */
- PyObject *res = _PyObject_CallMethodIdNoArgs(file, &PyId_flush);
- if (!res) {
- /* Silently ignore file.flush() error */
- PyErr_Clear();
- }
- else {
- Py_DECREF(res);
- }
-}
-
-void
-PyErr_Display(PyObject *exception, PyObject *value, PyObject *tb)
-{
- PyObject *file = _PySys_GetObjectId(&PyId_stderr);
- if (file == NULL) {
- _PyObject_Dump(value);
- fprintf(stderr, "lost sys.stderr\n");
- return;
- }
- if (file == Py_None) {
- return;
- }
- Py_INCREF(file);
- _PyErr_Display(file, exception, value, tb);
- Py_DECREF(file);
-}
-
-PyObject *
-PyRun_StringFlags(const char *str, int start, PyObject *globals,
- PyObject *locals, PyCompilerFlags *flags)
-{
- PyObject *ret = NULL;
- mod_ty mod;
- PyArena *arena;
- PyObject *filename;
-
- filename = _PyUnicode_FromId(&PyId_string); /* borrowed */
- if (filename == NULL)
- return NULL;
-
- arena = _PyArena_New();
- if (arena == NULL)
- return NULL;
-
- mod = _PyParser_ASTFromString(str, filename, start, flags, arena);
-
- if (mod != NULL)
- ret = run_mod(mod, filename, globals, locals, flags, arena);
- _PyArena_Free(arena);
- return ret;
-}
-
-
-static PyObject *
-pyrun_file(FILE *fp, PyObject *filename, int start, PyObject *globals,
- PyObject *locals, int closeit, PyCompilerFlags *flags)
-{
- PyArena *arena = _PyArena_New();
- if (arena == NULL) {
- return NULL;
- }
-
- mod_ty mod;
- mod = _PyParser_ASTFromFile(fp, filename, NULL, start, NULL, NULL,
- flags, NULL, arena);
-
- if (closeit) {
- fclose(fp);
- }
-
- PyObject *ret;
- if (mod != NULL) {
- ret = run_mod(mod, filename, globals, locals, flags, arena);
- }
- else {
- ret = NULL;
- }
- _PyArena_Free(arena);
-
- return ret;
-}
-
-
-PyObject *
-PyRun_FileExFlags(FILE *fp, const char *filename, int start, PyObject *globals,
- PyObject *locals, int closeit, PyCompilerFlags *flags)
-{
- PyObject *filename_obj = PyUnicode_DecodeFSDefault(filename);
- if (filename_obj == NULL) {
- return NULL;
- }
-
- PyObject *res = pyrun_file(fp, filename_obj, start, globals,
- locals, closeit, flags);
- Py_DECREF(filename_obj);
- return res;
-
-}
-
-
-static void
-flush_io(void)
-{
- PyObject *f, *r;
- PyObject *type, *value, *traceback;
-
- /* Save the current exception */
- PyErr_Fetch(&type, &value, &traceback);
-
- f = _PySys_GetObjectId(&PyId_stderr);
- if (f != NULL) {
- r = _PyObject_CallMethodIdNoArgs(f, &PyId_flush);
- if (r)
- Py_DECREF(r);
- else
- PyErr_Clear();
- }
- f = _PySys_GetObjectId(&PyId_stdout);
- if (f != NULL) {
- r = _PyObject_CallMethodIdNoArgs(f, &PyId_flush);
- if (r)
- Py_DECREF(r);
- else
- PyErr_Clear();
- }
-
- PyErr_Restore(type, value, traceback);
-}
-
-static PyObject *
-run_eval_code_obj(PyThreadState *tstate, PyCodeObject *co, PyObject *globals, PyObject *locals)
-{
- PyObject *v;
- /*
- * We explicitly re-initialize _Py_UnhandledKeyboardInterrupt every eval
- * _just in case_ someone is calling into an embedded Python where they
- * don't care about an uncaught KeyboardInterrupt exception (why didn't they
- * leave config.install_signal_handlers set to 0?!?) but then later call
- * Py_Main() itself (which _checks_ this flag and dies with a signal after
- * its interpreter exits). We don't want a previous embedded interpreter's
- * uncaught exception to trigger an unexplained signal exit from a future
- * Py_Main() based one.
- */
- _Py_UnhandledKeyboardInterrupt = 0;
-
- /* Set globals['__builtins__'] if it doesn't exist */
- if (globals != NULL && _PyDict_GetItemStringWithError(globals, "__builtins__") == NULL) {
- if (PyErr_Occurred() ||
- PyDict_SetItemString(globals, "__builtins__",
- tstate->interp->builtins) < 0)
- {
- return NULL;
- }
- }
-
- v = PyEval_EvalCode((PyObject*)co, globals, locals);
- if (!v && _PyErr_Occurred(tstate) == PyExc_KeyboardInterrupt) {
- _Py_UnhandledKeyboardInterrupt = 1;
- }
- return v;
-}
-
-static PyObject *
-run_mod(mod_ty mod, PyObject *filename, PyObject *globals, PyObject *locals,
- PyCompilerFlags *flags, PyArena *arena)
-{
- PyThreadState *tstate = _PyThreadState_GET();
- PyCodeObject *co = _PyAST_Compile(mod, filename, flags, -1, arena);
- if (co == NULL)
- return NULL;
-
- if (_PySys_Audit(tstate, "exec", "O", co) < 0) {
- Py_DECREF(co);
- return NULL;
- }
-
- PyObject *v = run_eval_code_obj(tstate, co, globals, locals);
- Py_DECREF(co);
- return v;
-}
-
-static PyObject *
-run_pyc_file(FILE *fp, PyObject *globals, PyObject *locals,
- PyCompilerFlags *flags)
-{
- PyThreadState *tstate = _PyThreadState_GET();
- PyCodeObject *co;
- PyObject *v;
- long magic;
- long PyImport_GetMagicNumber(void);
-
- magic = PyMarshal_ReadLongFromFile(fp);
- if (magic != PyImport_GetMagicNumber()) {
- if (!PyErr_Occurred())
- PyErr_SetString(PyExc_RuntimeError,
- "Bad magic number in .pyc file");
- goto error;
- }
- /* Skip the rest of the header. */
- (void) PyMarshal_ReadLongFromFile(fp);
- (void) PyMarshal_ReadLongFromFile(fp);
- (void) PyMarshal_ReadLongFromFile(fp);
- if (PyErr_Occurred()) {
- goto error;
- }
- v = PyMarshal_ReadLastObjectFromFile(fp);
- if (v == NULL || !PyCode_Check(v)) {
- Py_XDECREF(v);
- PyErr_SetString(PyExc_RuntimeError,
- "Bad code object in .pyc file");
- goto error;
- }
- fclose(fp);
- co = (PyCodeObject *)v;
- v = run_eval_code_obj(tstate, co, globals, locals);
- if (v && flags)
- flags->cf_flags |= (co->co_flags & PyCF_MASK);
- Py_DECREF(co);
- return v;
-error:
- fclose(fp);
- return NULL;
-}
-
-PyObject *
-Py_CompileStringObject(const char *str, PyObject *filename, int start,
- PyCompilerFlags *flags, int optimize)
-{
- PyCodeObject *co;
- mod_ty mod;
- PyArena *arena = _PyArena_New();
- if (arena == NULL)
- return NULL;
-
- mod = _PyParser_ASTFromString(str, filename, start, flags, arena);
- if (mod == NULL) {
- _PyArena_Free(arena);
- return NULL;
- }
- if (flags && (flags->cf_flags & PyCF_ONLY_AST)) {
- PyObject *result = PyAST_mod2obj(mod);
- _PyArena_Free(arena);
- return result;
- }
- co = _PyAST_Compile(mod, filename, flags, optimize, arena);
- _PyArena_Free(arena);
- return (PyObject *)co;
-}
-
-PyObject *
-Py_CompileStringExFlags(const char *str, const char *filename_str, int start,
- PyCompilerFlags *flags, int optimize)
-{
- PyObject *filename, *co;
- filename = PyUnicode_DecodeFSDefault(filename_str);
- if (filename == NULL)
- return NULL;
- co = Py_CompileStringObject(str, filename, start, flags, optimize);
- Py_DECREF(filename);
- return co;
-}
-
-const char *
-_Py_SourceAsString(PyObject *cmd, const char *funcname, const char *what, PyCompilerFlags *cf, PyObject **cmd_copy)
-{
- const char *str;
- Py_ssize_t size;
- Py_buffer view;
-
- *cmd_copy = NULL;
- if (PyUnicode_Check(cmd)) {
- cf->cf_flags |= PyCF_IGNORE_COOKIE;
- str = PyUnicode_AsUTF8AndSize(cmd, &size);
- if (str == NULL)
- return NULL;
- }
- else if (PyBytes_Check(cmd)) {
- str = PyBytes_AS_STRING(cmd);
- size = PyBytes_GET_SIZE(cmd);
- }
- else if (PyByteArray_Check(cmd)) {
- str = PyByteArray_AS_STRING(cmd);
- size = PyByteArray_GET_SIZE(cmd);
- }
- else if (PyObject_GetBuffer(cmd, &view, PyBUF_SIMPLE) == 0) {
- /* Copy to NUL-terminated buffer. */
- *cmd_copy = PyBytes_FromStringAndSize(
- (const char *)view.buf, view.len);
- PyBuffer_Release(&view);
- if (*cmd_copy == NULL) {
- return NULL;
- }
- str = PyBytes_AS_STRING(*cmd_copy);
- size = PyBytes_GET_SIZE(*cmd_copy);
- }
- else {
- PyErr_Format(PyExc_TypeError,
- "%s() arg 1 must be a %s object",
- funcname, what);
- return NULL;
- }
-
- if (strlen(str) != (size_t)size) {
- PyErr_SetString(PyExc_ValueError,
- "source code string cannot contain null bytes");
- Py_CLEAR(*cmd_copy);
- return NULL;
- }
- return str;
-}
-
-#if defined(USE_STACKCHECK)
-#if defined(WIN32) && defined(_MSC_VER)
-
-/* Stack checking for Microsoft C */
-
-#include <malloc.h>
-#include <excpt.h>
-
-/*
- * Return non-zero when we run out of memory on the stack; zero otherwise.
- */
-int
-PyOS_CheckStack(void)
-{
- __try {
- /* alloca throws a stack overflow exception if there's
- not enough space left on the stack */
- alloca(PYOS_STACK_MARGIN * sizeof(void*));
- return 0;
- } __except (GetExceptionCode() == STATUS_STACK_OVERFLOW ?
- EXCEPTION_EXECUTE_HANDLER :
- EXCEPTION_CONTINUE_SEARCH) {
- int errcode = _resetstkoflw();
- if (errcode == 0)
- {
- Py_FatalError("Could not reset the stack!");
- }
- }
- return 1;
-}
-
-#endif /* WIN32 && _MSC_VER */
-
-/* Alternate implementations can be added here... */
-
-#endif /* USE_STACKCHECK */
-
-/* Deprecated C API functions still provided for binary compatibility */
-
-#undef PyRun_AnyFile
-PyAPI_FUNC(int)
-PyRun_AnyFile(FILE *fp, const char *name)
-{
- return PyRun_AnyFileExFlags(fp, name, 0, NULL);
-}
-
-#undef PyRun_AnyFileEx
-PyAPI_FUNC(int)
-PyRun_AnyFileEx(FILE *fp, const char *name, int closeit)
-{
- return PyRun_AnyFileExFlags(fp, name, closeit, NULL);
-}
-
-#undef PyRun_AnyFileFlags
-PyAPI_FUNC(int)
-PyRun_AnyFileFlags(FILE *fp, const char *name, PyCompilerFlags *flags)
-{
- return PyRun_AnyFileExFlags(fp, name, 0, flags);
-}
-
-#undef PyRun_File
-PyAPI_FUNC(PyObject *)
-PyRun_File(FILE *fp, const char *p, int s, PyObject *g, PyObject *l)
-{
- return PyRun_FileExFlags(fp, p, s, g, l, 0, NULL);
-}
-
-#undef PyRun_FileEx
-PyAPI_FUNC(PyObject *)
-PyRun_FileEx(FILE *fp, const char *p, int s, PyObject *g, PyObject *l, int c)
-{
- return PyRun_FileExFlags(fp, p, s, g, l, c, NULL);
-}
-
-#undef PyRun_FileFlags
-PyAPI_FUNC(PyObject *)
-PyRun_FileFlags(FILE *fp, const char *p, int s, PyObject *g, PyObject *l,
- PyCompilerFlags *flags)
-{
- return PyRun_FileExFlags(fp, p, s, g, l, 0, flags);
-}
-
-#undef PyRun_SimpleFile
-PyAPI_FUNC(int)
-PyRun_SimpleFile(FILE *f, const char *p)
-{
- return PyRun_SimpleFileExFlags(f, p, 0, NULL);
-}
-
-#undef PyRun_SimpleFileEx
-PyAPI_FUNC(int)
-PyRun_SimpleFileEx(FILE *f, const char *p, int c)
-{
- return PyRun_SimpleFileExFlags(f, p, c, NULL);
-}
-
-
-#undef PyRun_String
-PyAPI_FUNC(PyObject *)
-PyRun_String(const char *str, int s, PyObject *g, PyObject *l)
-{
- return PyRun_StringFlags(str, s, g, l, NULL);
-}
-
-#undef PyRun_SimpleString
-PyAPI_FUNC(int)
-PyRun_SimpleString(const char *s)
-{
- return PyRun_SimpleStringFlags(s, NULL);
-}
-
-#undef Py_CompileString
-PyAPI_FUNC(PyObject *)
-Py_CompileString(const char *str, const char *p, int s)
-{
- return Py_CompileStringExFlags(str, p, s, NULL, -1);
-}
-
-#undef Py_CompileStringFlags
-PyAPI_FUNC(PyObject *)
-Py_CompileStringFlags(const char *str, const char *p, int s,
- PyCompilerFlags *flags)
-{
- return Py_CompileStringExFlags(str, p, s, flags, -1);
-}
-
-#undef PyRun_InteractiveOne
-PyAPI_FUNC(int)
-PyRun_InteractiveOne(FILE *f, const char *p)
-{
- return PyRun_InteractiveOneFlags(f, p, NULL);
-}
-
-#undef PyRun_InteractiveLoop
-PyAPI_FUNC(int)
-PyRun_InteractiveLoop(FILE *f, const char *p)
-{
- return PyRun_InteractiveLoopFlags(f, p, NULL);
-}
-
-#ifdef __cplusplus
-}
-#endif