/*[clinic input]

preserve

[clinic start generated code]*/

#if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)

#  include "pycore_gc.h"          // PyGC_Head

#  include "pycore_runtime.h"     // _Py_ID()

#endif

#include "pycore_abstract.h"      // _Py_convert_optional_to_ssize_t()

#include "pycore_critical_section.h"// Py_BEGIN_CRITICAL_SECTION()

#include "pycore_modsupport.h"    // _PyArg_CheckPositional()

PyDoc_STRVAR(_io_StringIO_getvalue__doc__,

"getvalue($self, /)\n"

"--\n"

"\n"

"Retrieve the entire contents of the object.");

#define _IO_STRINGIO_GETVALUE_METHODDEF    \

    {"getvalue", (PyCFunction)_io_StringIO_getvalue, METH_NOARGS, _io_StringIO_getvalue__doc__},

static PyObject *

_io_StringIO_getvalue_impl(stringio *self);

static PyObject *

_io_StringIO_getvalue(PyObject *self, PyObject *Py_UNUSED(ignored))

{

    PyObject *return_value = NULL;

    Py_BEGIN_CRITICAL_SECTION(self);

    return_value = _io_StringIO_getvalue_impl((stringio *)self);

    Py_END_CRITICAL_SECTION();

    return return_value;

}

PyDoc_STRVAR(_io_StringIO_tell__doc__,

"tell($self, /)\n"

"--\n"

"\n"

"Tell the current file position.");

#define _IO_STRINGIO_TELL_METHODDEF    \

    {"tell", (PyCFunction)_io_StringIO_tell, METH_NOARGS, _io_StringIO_tell__doc__},

static PyObject *

_io_StringIO_tell_impl(stringio *self);

static PyObject *

_io_StringIO_tell(PyObject *self, PyObject *Py_UNUSED(ignored))

{

    PyObject *return_value = NULL;

    Py_BEGIN_CRITICAL_SECTION(self);

    return_value = _io_StringIO_tell_impl((stringio *)self);

    Py_END_CRITICAL_SECTION();

    return return_value;

}

PyDoc_STRVAR(_io_StringIO_read__doc__,

"read($self, size=-1, /)\n"

"--\n"

"\n"

"Read at most size characters, returned as a string.\n"

"\n"

"If the argument is negative or omitted, read until EOF\n"

"is reached. Return an empty string at EOF.");

#define _IO_STRINGIO_READ_METHODDEF    \

    {"read", _PyCFunction_CAST(_io_StringIO_read), METH_FASTCALL, _io_StringIO_read__doc__},

static PyObject *

_io_StringIO_read_impl(stringio *self, Py_ssize_t size);

static PyObject *

_io_StringIO_read(PyObject *self, PyObject *const *args, Py_ssize_t nargs)

{

    PyObject *return_value = NULL;

    Py_ssize_t size = -1;

    if (!_PyArg_CheckPositional("read", nargs, 0, 1)) {

        goto exit;

    }

    if (nargs < 1) {

        goto skip_optional;

    }

    if (!_Py_convert_optional_to_ssize_t(args[0], &size)) {

        goto exit;

    }

skip_optional:

    Py_BEGIN_CRITICAL_SECTION(self);

    return_value = _io_StringIO_read_impl((stringio *)self, size);

    Py_END_CRITICAL_SECTION();

exit:

    return return_value;

}

PyDoc_STRVAR(_io_StringIO_readline__doc__,

"readline($self, size=-1, /)\n"

"--\n"

"\n"

"Read until newline or EOF.\n"

"\n"

"Returns an empty string if EOF is hit immediately.");

#define _IO_STRINGIO_READLINE_METHODDEF    \

    {"readline", _PyCFunction_CAST(_io_StringIO_readline), METH_FASTCALL, _io_StringIO_readline__doc__},

static PyObject *

_io_StringIO_readline_impl(stringio *self, Py_ssize_t size);

static PyObject *

_io_StringIO_readline(PyObject *self, PyObject *const *args, Py_ssize_t nargs)

{

    PyObject *return_value = NULL;

    Py_ssize_t size = -1;

    if (!_PyArg_CheckPositional("readline", nargs, 0, 1)) {

        goto exit;

    }

    if (nargs < 1) {

        goto skip_optional;

    }

    if (!_Py_convert_optional_to_ssize_t(args[0], &size)) {

        goto exit;

    }

skip_optional:

    Py_BEGIN_CRITICAL_SECTION(self);

    return_value = _io_StringIO_readline_impl((stringio *)self, size);

    Py_END_CRITICAL_SECTION();

exit:

    return return_value;

}

static PyObject *

stringio_iternext_impl(stringio *self);

static PyObject *

stringio_iternext(PyObject *self)

{

    PyObject *return_value = NULL;

    Py_BEGIN_CRITICAL_SECTION(self);

    return_value = stringio_iternext_impl((stringio *)self);

    Py_END_CRITICAL_SECTION();

    return return_value;

}

PyDoc_STRVAR(_io_StringIO_truncate__doc__,

"truncate($self, pos=None, /)\n"

"--\n"

"\n"

"Truncate size to pos.\n"

"\n"

"The pos argument defaults to the current file position, as\n"

"returned by tell().  The current file position is unchanged.\n"

"Returns the new absolute position.");

#define _IO_STRINGIO_TRUNCATE_METHODDEF    \

    {"truncate", _PyCFunction_CAST(_io_StringIO_truncate), METH_FASTCALL, _io_StringIO_truncate__doc__},

static PyObject *

_io_StringIO_truncate_impl(stringio *self, PyObject *pos);

static PyObject *

_io_StringIO_truncate(PyObject *self, PyObject *const *args, Py_ssize_t nargs)

{

    PyObject *return_value = NULL;

    PyObject *pos = Py_None;

    if (!_PyArg_CheckPositional("truncate", nargs, 0, 1)) {

        goto exit;

    }

    if (nargs < 1) {

        goto skip_optional;

    }

    pos = args[0];

skip_optional:

    Py_BEGIN_CRITICAL_SECTION(self);

    return_value = _io_StringIO_truncate_impl((stringio *)self, pos);

    Py_END_CRITICAL_SECTION();

exit:

    return return_value;

}

PyDoc_STRVAR(_io_StringIO_seek__doc__,

"seek($self, pos, whence=0, /)\n"

"--\n"

"\n"

"Change stream position.\n"

"\n"

"Seek to character offset pos relative to position indicated by\n"

"whence:\n"

"    0  Start of stream (the default).  pos should be >= 0;\n"

"    1  Current position - pos must be 0;\n"

"    2  End of stream - pos must be 0.\n"

"Returns the new absolute position.");

#define _IO_STRINGIO_SEEK_METHODDEF    \

    {"seek", _PyCFunction_CAST(_io_StringIO_seek), METH_FASTCALL, _io_StringIO_seek__doc__},

static PyObject *

_io_StringIO_seek_impl(stringio *self, Py_ssize_t pos, int whence);

static PyObject *

_io_StringIO_seek(PyObject *self, PyObject *const *args, Py_ssize_t nargs)

{

    PyObject *return_value = NULL;

    Py_ssize_t pos;

    int whence = 0;

    if (!_PyArg_CheckPositional("seek", nargs, 1, 2)) {

        goto exit;

    }

    {

        Py_ssize_t ival = -1;

        PyObject *iobj = _PyNumber_Index(args[0]);

        if (iobj != NULL) {

            ival = PyLong_AsSsize_t(iobj);

            Py_DECREF(iobj);

        }

        if (ival == -1 && PyErr_Occurred()) {

            goto exit;

        }

        pos = ival;

    }

    if (nargs < 2) {

        goto skip_optional;

    }

    whence = PyLong_AsInt(args[1]);

    if (whence == -1 && PyErr_Occurred()) {

        goto exit;

    }

skip_optional:

    Py_BEGIN_CRITICAL_SECTION(self);

    return_value = _io_StringIO_seek_impl((stringio *)self, pos, whence);

    Py_END_CRITICAL_SECTION();

exit:

    return return_value;

}

PyDoc_STRVAR(_io_StringIO_write__doc__,

"write($self, s, /)\n"

"--\n"

"\n"

"Write string to file.\n"

"\n"

"Returns the number of characters written, which is always equal to\n"

"the length of the string.");

#define _IO_STRINGIO_WRITE_METHODDEF    \

    {"write", (PyCFunction)_io_StringIO_write, METH_O, _io_StringIO_write__doc__},

static PyObject *

_io_StringIO_write_impl(stringio *self, PyObject *obj);

static PyObject *

_io_StringIO_write(PyObject *self, PyObject *obj)

{

    PyObject *return_value = NULL;

    Py_BEGIN_CRITICAL_SECTION(self);

    return_value = _io_StringIO_write_impl((stringio *)self, obj);

    Py_END_CRITICAL_SECTION();

    return return_value;

}

PyDoc_STRVAR(_io_StringIO_close__doc__,

"close($self, /)\n"

"--\n"

"\n"

"Close the IO object.\n"

"\n"

"Attempting any further operation after the object is closed\n"

"will raise a ValueError.\n"

"\n"

"This method has no effect if the file is already closed.");

#define _IO_STRINGIO_CLOSE_METHODDEF    \

    {"close", (PyCFunction)_io_StringIO_close, METH_NOARGS, _io_StringIO_close__doc__},

static PyObject *

_io_StringIO_close_impl(stringio *self);

static PyObject *

_io_StringIO_close(PyObject *self, PyObject *Py_UNUSED(ignored))

{

    PyObject *return_value = NULL;

    Py_BEGIN_CRITICAL_SECTION(self);

    return_value = _io_StringIO_close_impl((stringio *)self);

    Py_END_CRITICAL_SECTION();

    return return_value;

}

PyDoc_STRVAR(_io_StringIO___init____doc__,

"StringIO(initial_value=\'\', newline=\'\\n\')\n"

"--\n"

"\n"

"Text I/O implementation using an in-memory buffer.\n"

"\n"

"The initial_value argument sets the value of object.  The newline\n"

"argument is like the one of TextIOWrapper\'s constructor.");

static int

_io_StringIO___init___impl(stringio *self, PyObject *value,

                           PyObject *newline_obj);

static int

_io_StringIO___init__(PyObject *self, PyObject *args, PyObject *kwargs)

{

    int return_value = -1;

    #if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)

    #define NUM_KEYWORDS 2

    static struct {

        PyGC_Head _this_is_not_used;

        PyObject_VAR_HEAD

        Py_hash_t ob_hash;

        PyObject *ob_item[NUM_KEYWORDS];

    } _kwtuple = {

        .ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)

        .ob_hash = -1,

        .ob_item = { &_Py_ID(initial_value), &_Py_ID(newline), },

    };

    #undef NUM_KEYWORDS

    #define KWTUPLE (&_kwtuple.ob_base.ob_base)

    #else  // !Py_BUILD_CORE

    #  define KWTUPLE NULL

    #endif  // !Py_BUILD_CORE

    static const char * const _keywords[] = {"initial_value", "newline", NULL};

    static _PyArg_Parser _parser = {

        .keywords = _keywords,

        .fname = "StringIO",

        .kwtuple = KWTUPLE,

    };

    #undef KWTUPLE

    PyObject *argsbuf[2];

    PyObject * const *fastargs;

    Py_ssize_t nargs = PyTuple_GET_SIZE(args);

    Py_ssize_t noptargs = nargs + (kwargs ? PyDict_GET_SIZE(kwargs) : 0) - 0;

    PyObject *value = NULL;

    PyObject *newline_obj = NULL;

    fastargs = _PyArg_UnpackKeywords(_PyTuple_CAST(args)->ob_item, nargs, kwargs, NULL, &_parser,

            /*minpos*/ 0, /*maxpos*/ 2, /*minkw*/ 0, /*varpos*/ 0, argsbuf);

    if (!fastargs) {

        goto exit;

    }

    if (!noptargs) {

        goto skip_optional_pos;

    }

    if (fastargs[0]) {

        value = fastargs[0];

        if (!--noptargs) {

            goto skip_optional_pos;

        }

    }

    newline_obj = fastargs[1];

skip_optional_pos:

    return_value = _io_StringIO___init___impl((stringio *)self, value, newline_obj);

exit:

    return return_value;

}

PyDoc_STRVAR(_io_StringIO_readable__doc__,

"readable($self, /)\n"

"--\n"

"\n"

"Returns True if the IO object can be read.");

#define _IO_STRINGIO_READABLE_METHODDEF    \

    {"readable", (PyCFunction)_io_StringIO_readable, METH_NOARGS, _io_StringIO_readable__doc__},

static PyObject *

_io_StringIO_readable_impl(stringio *self);

static PyObject *

_io_StringIO_readable(PyObject *self, PyObject *Py_UNUSED(ignored))

{

    PyObject *return_value = NULL;

    Py_BEGIN_CRITICAL_SECTION(self);

    return_value = _io_StringIO_readable_impl((stringio *)self);

    Py_END_CRITICAL_SECTION();

    return return_value;

}

PyDoc_STRVAR(_io_StringIO_writable__doc__,

"writable($self, /)\n"

"--\n"

"\n"

"Returns True if the IO object can be written.");

#define _IO_STRINGIO_WRITABLE_METHODDEF    \

    {"writable", (PyCFunction)_io_StringIO_writable, METH_NOARGS, _io_StringIO_writable__doc__},

static PyObject *

_io_StringIO_writable_impl(stringio *self);

static PyObject *

_io_StringIO_writable(PyObject *self, PyObject *Py_UNUSED(ignored))

{

    PyObject *return_value = NULL;

    Py_BEGIN_CRITICAL_SECTION(self);

    return_value = _io_StringIO_writable_impl((stringio *)self);

    Py_END_CRITICAL_SECTION();

    return return_value;

}

PyDoc_STRVAR(_io_StringIO_seekable__doc__,

"seekable($self, /)\n"

"--\n"

"\n"

"Returns True if the IO object can be seeked.");

#define _IO_STRINGIO_SEEKABLE_METHODDEF    \

    {"seekable", (PyCFunction)_io_StringIO_seekable, METH_NOARGS, _io_StringIO_seekable__doc__},

static PyObject *

_io_StringIO_seekable_impl(stringio *self);

static PyObject *

_io_StringIO_seekable(PyObject *self, PyObject *Py_UNUSED(ignored))

{

    PyObject *return_value = NULL;

    Py_BEGIN_CRITICAL_SECTION(self);

    return_value = _io_StringIO_seekable_impl((stringio *)self);

    Py_END_CRITICAL_SECTION();

    return return_value;

}

PyDoc_STRVAR(_io_StringIO___getstate____doc__,

"__getstate__($self, /)\n"

"--\n"

"\n");

#define _IO_STRINGIO___GETSTATE___METHODDEF    \

    {"__getstate__", (PyCFunction)_io_StringIO___getstate__, METH_NOARGS, _io_StringIO___getstate____doc__},

static PyObject *

_io_StringIO___getstate___impl(stringio *self);

static PyObject *

_io_StringIO___getstate__(PyObject *self, PyObject *Py_UNUSED(ignored))

{

    PyObject *return_value = NULL;

    Py_BEGIN_CRITICAL_SECTION(self);

    return_value = _io_StringIO___getstate___impl((stringio *)self);

    Py_END_CRITICAL_SECTION();

    return return_value;

}

PyDoc_STRVAR(_io_StringIO___setstate____doc__,

"__setstate__($self, state, /)\n"

"--\n"

"\n");

#define _IO_STRINGIO___SETSTATE___METHODDEF    \

    {"__setstate__", (PyCFunction)_io_StringIO___setstate__, METH_O, _io_StringIO___setstate____doc__},

static PyObject *

_io_StringIO___setstate___impl(stringio *self, PyObject *state);

static PyObject *

_io_StringIO___setstate__(PyObject *self, PyObject *state)

{

    PyObject *return_value = NULL;

    Py_BEGIN_CRITICAL_SECTION(self);

    return_value = _io_StringIO___setstate___impl((stringio *)self, state);

    Py_END_CRITICAL_SECTION();

    return return_value;

}

static int

_io_StringIO_closed_get_impl(stringio *self);

static PyObject *

_io_StringIO_closed_get(PyObject *self, void *Py_UNUSED(context))

{

    PyObject *return_value = NULL;

    int _return_value;

    Py_BEGIN_CRITICAL_SECTION(self);

    _return_value = _io_StringIO_closed_get_impl((stringio *)self);

    Py_END_CRITICAL_SECTION();

    if ((_return_value == -1) && PyErr_Occurred()) {

        goto exit;

    }

    return_value = PyBool_FromLong((long)_return_value);

exit:

    return return_value;

}

static int

_io_StringIO_line_buffering_get_impl(stringio *self);

static PyObject *

_io_StringIO_line_buffering_get(PyObject *self, void *Py_UNUSED(context))

{

    PyObject *return_value = NULL;

    int _return_value;

    Py_BEGIN_CRITICAL_SECTION(self);

    _return_value = _io_StringIO_line_buffering_get_impl((stringio *)self);

    Py_END_CRITICAL_SECTION();

    if ((_return_value == -1) && PyErr_Occurred()) {

        goto exit;

    }

    return_value = PyBool_FromLong((long)_return_value);

exit:

    return return_value;

}

static PyObject *

_io_StringIO_newlines_get_impl(stringio *self);

static PyObject *

_io_StringIO_newlines_get(PyObject *self, void *Py_UNUSED(context))

{

    PyObject *return_value = NULL;

    Py_BEGIN_CRITICAL_SECTION(self);

    return_value = _io_StringIO_newlines_get_impl((stringio *)self);

    Py_END_CRITICAL_SECTION();

    return return_value;

}

#define _IO_STRINGIO_CLOSED_GETSETDEF {"closed", (getter)_io_StringIO_closed_get, (setter)NULL, NULL},

#define _IO_STRINGIO_LINE_BUFFERING_GETSETDEF {"line_buffering", (getter)_io_StringIO_line_buffering_get, (setter)NULL, NULL},

#define _IO_STRINGIO_NEWLINES_GETSETDEF {"newlines", (getter)_io_StringIO_newlines_get, (setter)NULL, NULL},

/*[clinic end generated code: output=38a0385529d9cbef input=a9049054013a1b77]*/