bpo-35134: Add Include/cpython/pyerrors.h (GH-10727)

Move pyerrors.h code surrounded by "#ifndef Py_LIMITED_API"
to a new Include/cpython/pyerrors.h header file.

Include/cpython/pyerrors.h

@@ -0,0 +1,176 @@
+#ifndef Py_CPYTHON_ERRORS_H
+#  error "this header file must not be included directly"
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Error objects */
+
+/* PyException_HEAD defines the initial segment of every exception class. */
+#define PyException_HEAD PyObject_HEAD PyObject *dict;\
+             PyObject *args; PyObject *traceback;\
+             PyObject *context; PyObject *cause;\
+             char suppress_context;
+
+typedef struct {
+    PyException_HEAD
+} PyBaseExceptionObject;
+
+typedef struct {
+    PyException_HEAD
+    PyObject *msg;
+    PyObject *filename;
+    PyObject *lineno;
+    PyObject *offset;
+    PyObject *text;
+    PyObject *print_file_and_line;
+} PySyntaxErrorObject;
+
+typedef struct {
+    PyException_HEAD
+    PyObject *msg;
+    PyObject *name;
+    PyObject *path;
+} PyImportErrorObject;
+
+typedef struct {
+    PyException_HEAD
+    PyObject *encoding;
+    PyObject *object;
+    Py_ssize_t start;
+    Py_ssize_t end;
+    PyObject *reason;
+} PyUnicodeErrorObject;
+
+typedef struct {
+    PyException_HEAD
+    PyObject *code;
+} PySystemExitObject;
+
+typedef struct {
+    PyException_HEAD
+    PyObject *myerrno;
+    PyObject *strerror;
+    PyObject *filename;
+    PyObject *filename2;
+#ifdef MS_WINDOWS
+    PyObject *winerror;
+#endif
+    Py_ssize_t written;   /* only for BlockingIOError, -1 otherwise */
+} PyOSErrorObject;
+
+typedef struct {
+    PyException_HEAD
+    PyObject *value;
+} PyStopIterationObject;
+
+/* Compatibility typedefs */
+typedef PyOSErrorObject PyEnvironmentErrorObject;
+#ifdef MS_WINDOWS
+typedef PyOSErrorObject PyWindowsErrorObject;
+#endif
+
+/* Error handling definitions */
+
+PyAPI_FUNC(void) _PyErr_SetKeyError(PyObject *);
+_PyErr_StackItem *_PyErr_GetTopmostException(PyThreadState *tstate);
+
+/* Context manipulation (PEP 3134) */
+
+PyAPI_FUNC(void) _PyErr_ChainExceptions(PyObject *, PyObject *, PyObject *);
+
+/* */
+
+#define PyExceptionClass_Name(x)  (((PyTypeObject*)(x))->tp_name)
+
+/* Convenience functions */
+
+#ifdef MS_WINDOWS
+PyAPI_FUNC(PyObject *) PyErr_SetFromErrnoWithUnicodeFilename(
+    PyObject *, const Py_UNICODE *) Py_DEPRECATED(3.3);
+#endif /* MS_WINDOWS */
+
+/* Like PyErr_Format(), but saves current exception as __context__ and
+   __cause__.
+ */
+PyAPI_FUNC(PyObject *) _PyErr_FormatFromCause(
+    PyObject *exception,
+    const char *format,   /* ASCII-encoded string  */
+    ...
+    );
+
+#ifdef MS_WINDOWS
+/* XXX redeclare to use WSTRING */
+PyAPI_FUNC(PyObject *) PyErr_SetFromWindowsErrWithUnicodeFilename(
+    int, const Py_UNICODE *) Py_DEPRECATED(3.3);
+
+PyAPI_FUNC(PyObject *) PyErr_SetExcFromWindowsErrWithUnicodeFilename(
+    PyObject *,int, const Py_UNICODE *) Py_DEPRECATED(3.3);
+#endif
+
+/* In exceptions.c */
+
+/* Helper that attempts to replace the current exception with one of the
+ * same type but with a prefix added to the exception text. The resulting
+ * exception description looks like:
+ *
+ *     prefix (exc_type: original_exc_str)
+ *
+ * Only some exceptions can be safely replaced. If the function determines
+ * it isn't safe to perform the replacement, it will leave the original
+ * unmodified exception in place.
+ *
+ * Returns a borrowed reference to the new exception (if any), NULL if the
+ * existing exception was left in place.
+ */
+PyAPI_FUNC(PyObject *) _PyErr_TrySetFromCause(
+    const char *prefix_format,   /* ASCII-encoded string  */
+    ...
+    );
+
+/* In signalmodule.c */
+
+int PySignal_SetWakeupFd(int fd);
+
+/* Support for adding program text to SyntaxErrors */
+
+PyAPI_FUNC(void) PyErr_SyntaxLocationObject(
+    PyObject *filename,
+    int lineno,
+    int col_offset);
+
+PyAPI_FUNC(PyObject *) PyErr_ProgramTextObject(
+    PyObject *filename,
+    int lineno);
+
+/* Create a UnicodeEncodeError object */
+PyAPI_FUNC(PyObject *) PyUnicodeEncodeError_Create(
+    const char *encoding,       /* UTF-8 encoded string */
+    const Py_UNICODE *object,
+    Py_ssize_t length,
+    Py_ssize_t start,
+    Py_ssize_t end,
+    const char *reason          /* UTF-8 encoded string */
+    ) Py_DEPRECATED(3.3);
+
+/* Create a UnicodeTranslateError object */
+PyAPI_FUNC(PyObject *) PyUnicodeTranslateError_Create(
+    const Py_UNICODE *object,
+    Py_ssize_t length,
+    Py_ssize_t start,
+    Py_ssize_t end,
+    const char *reason          /* UTF-8 encoded string */
+    ) Py_DEPRECATED(3.3);
+PyAPI_FUNC(PyObject *) _PyUnicodeTranslateError_Create(
+    PyObject *object,
+    Py_ssize_t start,
+    Py_ssize_t end,
+    const char *reason          /* UTF-8 encoded string */
+    );
+
+
+#ifdef __cplusplus
+}
+#endif