Close #11619: The parser and the import machinery do not encode Unicode

filenames anymore on Windows.
This commit is contained in:
Victor Stinner 2013-08-26 22:28:21 +02:00
parent 33824f6fd7
commit 14e461d5b9
22 changed files with 514 additions and 175 deletions

View file

@ -235,7 +235,7 @@ in various ways. There is a separate error indicator for each thread.
Similar to :c:func:`PyErr_SetFromErrnoWithFilenameObject`, but the filename
is given as a C string. *filename* is decoded from the filesystem encoding
(:func:`sys.getfilesystemencoding`).
(:func:`os.fsdecode`).
.. c:function:: PyObject* PyErr_SetFromWindowsErr(int ierr)
@ -267,7 +267,7 @@ in various ways. There is a separate error indicator for each thread.
Similar to :c:func:`PyErr_SetFromWindowsErrWithFilenameObject`, but the
filename is given as a C string. *filename* is decoded from the filesystem
encoding (:func:`sys.getfilesystemencoding`). Availability: Windows.
encoding (:func:`os.fsdecode`). Availability: Windows.
.. c:function:: PyObject* PyErr_SetExcFromWindowsErrWithFilenameObject(PyObject *type, int ierr, PyObject *filename)
@ -293,20 +293,27 @@ in various ways. There is a separate error indicator for each thread.
.. versionadded:: 3.3
.. c:function:: void PyErr_SyntaxLocationEx(char *filename, int lineno, int col_offset)
.. c:function:: void PyErr_SyntaxLocationObject(PyObject *filename, int lineno, int col_offset)
Set file, line, and offset information for the current exception. If the
current exception is not a :exc:`SyntaxError`, then it sets additional
attributes, which make the exception printing subsystem think the exception
is a :exc:`SyntaxError`. *filename* is decoded from the filesystem encoding
(:func:`sys.getfilesystemencoding`).
is a :exc:`SyntaxError`.
.. versionadded:: 3.2
.. versionadded:: 3.4
.. c:function:: void PyErr_SyntaxLocationEx(char *filename, int lineno, int col_offset)
Like :c:func:`PyErr_SyntaxLocationObject`, but *filename* is a byte string
decoded from the filesystem encoding (:func:`os.fsdecode`).
.. versionadded:: 3.2
.. c:function:: void PyErr_SyntaxLocation(char *filename, int lineno)
Like :c:func:`PyErr_SyntaxLocationExc`, but the col_offset parameter is
Like :c:func:`PyErr_SyntaxLocationEx`, but the col_offset parameter is
omitted.
@ -355,15 +362,22 @@ in various ways. There is a separate error indicator for each thread.
documentation. There is no C API for warning control.
.. c:function:: int PyErr_WarnExplicit(PyObject *category, const char *message, const char *filename, int lineno, const char *module, PyObject *registry)
.. c:function:: int PyErr_WarnExplicitObject(PyObject *category, PyObject *message, PyObject *filename, int lineno, PyObject *module, PyObject *registry)
Issue a warning message with explicit control over all warning attributes. This
is a straightforward wrapper around the Python function
:func:`warnings.warn_explicit`, see there for more information. The *module*
and *registry* arguments may be set to *NULL* to get the default effect
described there. *message* and *module* are UTF-8 encoded strings,
*filename* is decoded from the filesystem encoding
(:func:`sys.getfilesystemencoding`).
described there.
.. versionadded:: 3.4
.. c:function:: int PyErr_WarnExplicit(PyObject *category, const char *message, const char *filename, int lineno, const char *module, PyObject *registry)
Similar to :c:func:`PyErr_WarnExplicitObject` except that *message* and
*module* are UTF-8 encoded strings, and *filename* is decoded from the
filesystem encoding (:func:`os.fsdecode`).
.. c:function:: int PyErr_WarnFormat(PyObject *category, Py_ssize_t stack_level, const char *format, ...)

View file

@ -258,16 +258,15 @@ the same library that the Python runtime is using.
*optimize* set to ``-1``.
.. c:function:: PyObject* Py_CompileStringExFlags(const char *str, const char *filename, int start, PyCompilerFlags *flags, int optimize)
.. c:function:: PyObject* Py_CompileStringObject(const char *str, PyObject *filename, int start, PyCompilerFlags *flags, int optimize)
Parse and compile the Python source code in *str*, returning the resulting code
object. The start token is given by *start*; this can be used to constrain the
code which can be compiled and should be :const:`Py_eval_input`,
:const:`Py_file_input`, or :const:`Py_single_input`. The filename specified by
*filename* is used to construct the code object and may appear in tracebacks or
:exc:`SyntaxError` exception messages, it is decoded from the filesystem
encoding (:func:`sys.getfilesystemencoding`). This returns *NULL* if the
code cannot be parsed or compiled.
:exc:`SyntaxError` exception messages. This returns *NULL* if the code
cannot be parsed or compiled.
The integer *optimize* specifies the optimization level of the compiler; a
value of ``-1`` selects the optimization level of the interpreter as given by
@ -275,9 +274,16 @@ the same library that the Python runtime is using.
``__debug__`` is true), ``1`` (asserts are removed, ``__debug__`` is false)
or ``2`` (docstrings are removed too).
.. versionadded:: 3.2
.. versionadded:: 3.4
.. c:function:: PyObject* Py_CompileStringExFlags(const char *str, const char *filename, int start, PyCompilerFlags *flags, int optimize)
Like :c:func:`Py_CompileStringExFlags`, but *filename* is a byte string
decoded from the filesystem encoding (:func:`os.fsdecode`).
.. versionadded:: 3.2
.. c:function:: PyObject* PyEval_EvalCode(PyObject *co, PyObject *globals, PyObject *locals)
This is a simplified interface to :c:func:`PyEval_EvalCodeEx`, with just

View file

@ -10,6 +10,11 @@ PyAPI_FUNC(mod_ty) PyAST_FromNode(
PyCompilerFlags *flags,
const char *filename, /* decoded from the filesystem encoding */
PyArena *arena);
PyAPI_FUNC(mod_ty) PyAST_FromNodeObject(
const node *n,
PyCompilerFlags *flags,
PyObject *filename,
PyArena *arena);
#ifdef __cplusplus
}

View file

@ -36,7 +36,20 @@ PyAPI_FUNC(PyCodeObject *) PyAST_CompileEx(
PyCompilerFlags *flags,
int optimize,
PyArena *arena);
PyAPI_FUNC(PyFutureFeatures *) PyFuture_FromAST(struct _mod *, const char *);
PyAPI_FUNC(PyCodeObject *) PyAST_CompileObject(
struct _mod *mod,
PyObject *filename,
PyCompilerFlags *flags,
int optimize,
PyArena *arena);
PyAPI_FUNC(PyFutureFeatures *) PyFuture_FromAST(
struct _mod * mod,
const char *filename /* decoded from the filesystem encoding */
);
PyAPI_FUNC(PyFutureFeatures *) PyFuture_FromASTObject(
struct _mod * mod,
PyObject *filename
);
/* _Py_Mangle is defined in compile.c */
PyAPI_FUNC(PyObject*) _Py_Mangle(PyObject *p, PyObject *name);

View file

@ -42,10 +42,16 @@ PyAPI_FUNC(node *) PyParser_ParseFile (FILE *, const char *, grammar *, int,
PyAPI_FUNC(node *) PyParser_ParseStringFlags(const char *, grammar *, int,
perrdetail *, int);
PyAPI_FUNC(node *) PyParser_ParseFileFlags(FILE *, const char *,
const char*, grammar *,
int, char *, char *,
perrdetail *, int);
PyAPI_FUNC(node *) PyParser_ParseFileFlags(
FILE *fp,
const char *filename, /* decoded from the filesystem encoding */
const char *enc,
grammar *g,
int start,
char *ps1,
char *ps2,
perrdetail *err_ret,
int flags);
PyAPI_FUNC(node *) PyParser_ParseFileFlagsEx(
FILE *fp,
const char *filename, /* decoded from the filesystem encoding */
@ -56,11 +62,24 @@ PyAPI_FUNC(node *) PyParser_ParseFileFlagsEx(
char *ps2,
perrdetail *err_ret,
int *flags);
PyAPI_FUNC(node *) PyParser_ParseFileObject(
FILE *fp,
PyObject *filename,
const char *enc,
grammar *g,
int start,
char *ps1,
char *ps2,
perrdetail *err_ret,
int *flags);
PyAPI_FUNC(node *) PyParser_ParseStringFlagsFilename(const char *,
const char *,
grammar *, int,
perrdetail *, int);
PyAPI_FUNC(node *) PyParser_ParseStringFlagsFilename(
const char *s,
const char *filename, /* decoded from the filesystem encoding */
grammar *g,
int start,
perrdetail *err_ret,
int flags);
PyAPI_FUNC(node *) PyParser_ParseStringFlagsFilenameEx(
const char *s,
const char *filename, /* decoded from the filesystem encoding */
@ -68,6 +87,13 @@ PyAPI_FUNC(node *) PyParser_ParseStringFlagsFilenameEx(
int start,
perrdetail *err_ret,
int *flags);
PyAPI_FUNC(node *) PyParser_ParseStringObject(
const char *s,
PyObject *filename,
grammar *g,
int start,
perrdetail *err_ret,
int *flags);
/* Note that the following functions are defined in pythonrun.c,
not in parsetok.c */

View file

@ -301,9 +301,16 @@ PyAPI_FUNC(void) PyErr_SyntaxLocationEx(
const char *filename, /* decoded from the filesystem encoding */
int lineno,
int col_offset);
PyAPI_FUNC(void) PyErr_SyntaxLocationObject(
PyObject *filename,
int lineno,
int col_offset);
PyAPI_FUNC(PyObject *) PyErr_ProgramText(
const char *filename, /* decoded from the filesystem encoding */
int lineno);
PyAPI_FUNC(PyObject *) PyErr_ProgramTextObject(
PyObject *filename,
int lineno);
/* The following functions are used to create and modify unicode
exceptions from C */

View file

@ -66,6 +66,12 @@ PyAPI_FUNC(struct _mod *) PyParser_ASTFromString(
int start,
PyCompilerFlags *flags,
PyArena *arena);
PyAPI_FUNC(struct _mod *) PyParser_ASTFromStringObject(
const char *s,
PyObject *filename,
int start,
PyCompilerFlags *flags,
PyArena *arena);
PyAPI_FUNC(struct _mod *) PyParser_ASTFromFile(
FILE *fp,
const char *filename, /* decoded from the filesystem encoding */
@ -76,6 +82,16 @@ PyAPI_FUNC(struct _mod *) PyParser_ASTFromFile(
PyCompilerFlags *flags,
int *errcode,
PyArena *arena);
PyAPI_FUNC(struct _mod *) PyParser_ASTFromFileObject(
FILE *fp,
PyObject *filename,
const char* enc,
int start,
char *ps1,
char *ps2,
PyCompilerFlags *flags,
int *errcode,
PyArena *arena);
#endif
#ifndef PyParser_SimpleParseString
@ -117,11 +133,20 @@ PyAPI_FUNC(PyObject *) Py_CompileStringExFlags(
int start,
PyCompilerFlags *flags,
int optimize);
PyAPI_FUNC(PyObject *) Py_CompileStringObject(
const char *str,
PyObject *filename, int start,
PyCompilerFlags *flags,
int optimize);
#endif
PyAPI_FUNC(struct symtable *) Py_SymtableString(
const char *str,
const char *filename, /* decoded from the filesystem encoding */
int start);
PyAPI_FUNC(struct symtable *) Py_SymtableStringObject(
const char *str,
PyObject *filename,
int start);
PyAPI_FUNC(void) PyErr_Print(void);
PyAPI_FUNC(void) PyErr_PrintEx(int);

View file

@ -16,7 +16,7 @@ typedef enum _block_type { FunctionBlock, ClassBlock, ModuleBlock }
struct _symtable_entry;
struct symtable {
const char *st_filename; /* name of file being compiled,
PyObject *st_filename; /* name of file being compiled,
decoded from the filesystem encoding */
struct _symtable_entry *st_cur; /* current symbol table entry */
struct _symtable_entry *st_top; /* symbol table entry for module */
@ -74,6 +74,10 @@ PyAPI_FUNC(struct symtable *) PySymtable_Build(
mod_ty mod,
const char *filename, /* decoded from the filesystem encoding */
PyFutureFeatures *future);
PyAPI_FUNC(struct symtable *) PySymtable_BuildObject(
mod_ty mod,
PyObject *filename,
PyFutureFeatures *future);
PyAPI_FUNC(PySTEntryObject *) PySymtable_Lookup(struct symtable *, void *);
PyAPI_FUNC(void) PySymtable_Free(struct symtable *);

View file

@ -17,6 +17,13 @@ PyAPI_FUNC(int) PyErr_WarnFormat(
Py_ssize_t stack_level,
const char *format, /* ASCII-encoded string */
...);
PyAPI_FUNC(int) PyErr_WarnExplicitObject(
PyObject *category,
PyObject *message,
PyObject *filename,
int lineno,
PyObject *module,
PyObject *registry);
PyAPI_FUNC(int) PyErr_WarnExplicit(
PyObject *category,
const char *message, /* UTF-8 encoded string */

View file

@ -22,7 +22,7 @@
from test.support import (
EnvironmentVarGuard, TESTFN, check_warnings, forget, is_jython,
make_legacy_pyc, rmtree, run_unittest, swap_attr, swap_item, temp_umask,
unlink, unload, create_empty_file, cpython_only)
unlink, unload, create_empty_file, cpython_only, TESTFN_UNENCODABLE)
from test import script_helper
@ -1055,6 +1055,14 @@ def load_module(*args):
finally:
importlib.SourceLoader.load_module = old_load_module
@unittest.skipUnless(TESTFN_UNENCODABLE, 'need TESTFN_UNENCODABLE')
def test_unencodable_filename(self):
# Issue #11619: The Python parser and the import machinery must not
# encode filenames, especially on Windows
pyname = script_helper.make_script('', TESTFN_UNENCODABLE, 'pass')
name = pyname[:-3]
script_helper.assert_python_ok("-c", "mod = __import__(%a)" % name)
if __name__ == '__main__':
# Test needs to be a package, so we can do relative imports.

View file

@ -10,6 +10,9 @@ Projected Release date: 2013-09-08
Core and Builtins
-----------------
- Issue #11619: The parser and the import machinery do not encode Unicode
filenames anymore on Windows.
- Issue #18808: Non-daemon threads are now automatically joined when
a sub-interpreter is shutdown (it would previously dump a fatal error).

View file

@ -477,33 +477,46 @@ parser_st2list(PyST_Object *self, PyObject *args, PyObject *kw)
static PyObject*
parser_compilest(PyST_Object *self, PyObject *args, PyObject *kw)
{
PyObject* res = 0;
PyArena* arena;
PyObject* res = NULL;
PyArena* arena = NULL;
mod_ty mod;
char* str = "<syntax-tree>";
PyObject* filename = NULL;
int ok;
static char *keywords[] = {"st", "filename", NULL};
if (self == NULL || PyModule_Check(self))
ok = PyArg_ParseTupleAndKeywords(args, kw, "O!|s:compilest", keywords,
&PyST_Type, &self, &str);
ok = PyArg_ParseTupleAndKeywords(args, kw, "O!|O&:compilest", keywords,
&PyST_Type, &self,
PyUnicode_FSDecoder, &filename);
else
ok = PyArg_ParseTupleAndKeywords(args, kw, "|s:compile", &keywords[1],
&str);
ok = PyArg_ParseTupleAndKeywords(args, kw, "|O&:compile", &keywords[1],
PyUnicode_FSDecoder, &filename);
if (!ok)
goto error;
if (ok) {
arena = PyArena_New();
if (arena) {
mod = PyAST_FromNode(self->st_node, &(self->st_flags), str, arena);
if (mod) {
res = (PyObject *)PyAST_Compile(mod, str, &(self->st_flags), arena);
}
PyArena_Free(arena);
}
if (filename == NULL) {
filename = PyUnicode_FromString("<syntax-tree>");
if (filename == NULL)
goto error;
}
return (res);
arena = PyArena_New();
if (!arena)
goto error;
mod = PyAST_FromNodeObject(self->st_node, &self->st_flags,
filename, arena);
if (!mod)
goto error;
res = (PyObject *)PyAST_CompileObject(mod, filename,
&self->st_flags, -1, arena);
error:
Py_XDECREF(filename);
if (arena != NULL)
PyArena_Free(arena);
return res;
}

View file

@ -11,12 +11,12 @@ symtable_symtable(PyObject *self, PyObject *args)
PyObject *t;
char *str;
char *filename;
PyObject *filename;
char *startstr;
int start;
if (!PyArg_ParseTuple(args, "sss:symtable", &str, &filename,
&startstr))
if (!PyArg_ParseTuple(args, "sO&s:symtable",
&str, PyUnicode_FSDecoder, &filename, &startstr))
return NULL;
if (strcmp(startstr, "exec") == 0)
start = Py_file_input;
@ -27,9 +27,11 @@ symtable_symtable(PyObject *self, PyObject *args)
else {
PyErr_SetString(PyExc_ValueError,
"symtable() arg 3 must be 'exec' or 'eval' or 'single'");
Py_DECREF(filename);
return NULL;
}
st = Py_SymtableString(str, filename, start);
st = Py_SymtableStringObject(str, filename, start);
Py_DECREF(filename);
if (st == NULL)
return NULL;
t = st->st_blocks;

View file

@ -13,7 +13,7 @@
/* Forward */
static node *parsetok(struct tok_state *, grammar *, int, perrdetail *, int *);
static int initerr(perrdetail *err_ret, const char* filename);
static int initerr(perrdetail *err_ret, PyObject * filename);
/* Parse input coming from a string. Return error code, print some errors. */
node *
@ -41,9 +41,9 @@ PyParser_ParseStringFlagsFilename(const char *s, const char *filename,
}
node *
PyParser_ParseStringFlagsFilenameEx(const char *s, const char *filename,
grammar *g, int start,
perrdetail *err_ret, int *flags)
PyParser_ParseStringObject(const char *s, PyObject *filename,
grammar *g, int start,
perrdetail *err_ret, int *flags)
{
struct tok_state *tok;
int exec_input = start == file_input;
@ -67,6 +67,29 @@ PyParser_ParseStringFlagsFilenameEx(const char *s, const char *filename,
return parsetok(tok, g, start, err_ret, flags);
}
node *
PyParser_ParseStringFlagsFilenameEx(const char *s, const char *filename_str,
grammar *g, int start,
perrdetail *err_ret, int *flags)
{
node *n;
PyObject *filename = NULL;
#ifndef PGEN
if (filename_str != NULL) {
filename = PyUnicode_DecodeFSDefault(filename_str);
if (filename == NULL) {
err_ret->error = E_ERROR;
return NULL;
}
}
#endif
n = PyParser_ParseStringObject(s, filename, g, start, err_ret, flags);
#ifndef PGEN
Py_XDECREF(filename);
#endif
return n;
}
/* Parse input coming from a file. Return error code, print some errors. */
node *
@ -88,9 +111,10 @@ PyParser_ParseFileFlags(FILE *fp, const char *filename, const char *enc,
}
node *
PyParser_ParseFileFlagsEx(FILE *fp, const char *filename,
const char *enc, grammar *g, int start,
char *ps1, char *ps2, perrdetail *err_ret, int *flags)
PyParser_ParseFileObject(FILE *fp, PyObject *filename,
const char *enc, grammar *g, int start,
char *ps1, char *ps2, perrdetail *err_ret,
int *flags)
{
struct tok_state *tok;
@ -108,6 +132,30 @@ PyParser_ParseFileFlagsEx(FILE *fp, const char *filename,
return parsetok(tok, g, start, err_ret, flags);
}
node *
PyParser_ParseFileFlagsEx(FILE *fp, const char *filename,
const char *enc, grammar *g, int start,
char *ps1, char *ps2, perrdetail *err_ret, int *flags)
{
node *n;
PyObject *fileobj = NULL;
#ifndef PGEN
if (filename != NULL) {
fileobj = PyUnicode_DecodeFSDefault(filename);
if (fileobj == NULL) {
err_ret->error = E_ERROR;
return NULL;
}
}
#endif
n = PyParser_ParseFileObject(fp, fileobj, enc, g,
start, ps1, ps2, err_ret, flags);
#ifndef PGEN
Py_XDECREF(fileobj);
#endif
return n;
}
#ifdef PY_PARSER_REQUIRES_FUTURE_KEYWORD
#if 0
static char with_msg[] =
@ -306,7 +354,7 @@ parsetok(struct tok_state *tok, grammar *g, int start, perrdetail *err_ret,
}
static int
initerr(perrdetail *err_ret, const char *filename)
initerr(perrdetail *err_ret, PyObject *filename)
{
err_ret->error = E_OK;
err_ret->lineno = 0;
@ -315,13 +363,16 @@ initerr(perrdetail *err_ret, const char *filename)
err_ret->token = -1;
err_ret->expected = -1;
#ifndef PGEN
if (filename)
err_ret->filename = PyUnicode_DecodeFSDefault(filename);
else
if (filename) {
Py_INCREF(filename);
err_ret->filename = filename;
}
else {
err_ret->filename = PyUnicode_FromString("<string>");
if (err_ret->filename == NULL) {
err_ret->error = E_ERROR;
return -1;
if (err_ret->filename == NULL) {
err_ret->error = E_ERROR;
return -1;
}
}
#endif
return 0;

View file

@ -707,14 +707,14 @@ warnings_warn_explicit(PyObject *self, PyObject *args, PyObject *kwds)
/* Handle the warning. */
returned = warn_explicit(category, message, filename, lineno, module,
registry, source_line);
registry, source_line);
Py_DECREF(source_list);
return returned;
}
standard_call:
return warn_explicit(category, message, filename, lineno, module,
registry, NULL);
registry, NULL);
}
@ -785,12 +785,27 @@ PyErr_Warn(PyObject *category, char *text)
}
/* Warning with explicit origin */
int
PyErr_WarnExplicitObject(PyObject *category, PyObject *message,
PyObject *filename, int lineno,
PyObject *module, PyObject *registry)
{
PyObject *res;
if (category == NULL)
category = PyExc_RuntimeWarning;
res = warn_explicit(category, message, filename, lineno,
module, registry, NULL);
if (res == NULL)
return -1;
Py_DECREF(res);
return 0;
}
int
PyErr_WarnExplicit(PyObject *category, const char *text,
const char *filename_str, int lineno,
const char *module_str, PyObject *registry)
{
PyObject *res;
PyObject *message = PyUnicode_FromString(text);
PyObject *filename = PyUnicode_DecodeFSDefault(filename_str);
PyObject *module = NULL;
@ -804,14 +819,8 @@ PyErr_WarnExplicit(PyObject *category, const char *text,
goto exit;
}
if (category == NULL)
category = PyExc_RuntimeWarning;
res = warn_explicit(category, message, filename, lineno, module, registry,
NULL);
if (res == NULL)
goto exit;
Py_DECREF(res);
ret = 0;
ret = PyErr_WarnExplicitObject(category, message, filename, lineno,
module, registry);
exit:
Py_XDECREF(message);

View file

@ -491,7 +491,7 @@ PyAST_Validate(mod_ty mod)
struct compiling {
char *c_encoding; /* source encoding */
PyArena *c_arena; /* arena for allocating memeory */
const char *c_filename; /* filename */
PyObject *c_filename; /* filename */
PyObject *c_normalize; /* Normalization function from unicodedata. */
PyObject *c_normalize_args; /* Normalization argument tuple. */
};
@ -573,24 +573,13 @@ static int
ast_error(struct compiling *c, const node *n, const char *errmsg)
{
PyObject *value, *errstr, *loc, *tmp;
PyObject *filename_obj;
loc = PyErr_ProgramText(c->c_filename, LINENO(n));
loc = PyErr_ProgramTextObject(c->c_filename, LINENO(n));
if (!loc) {
Py_INCREF(Py_None);
loc = Py_None;
}
if (c->c_filename) {
filename_obj = PyUnicode_DecodeFSDefault(c->c_filename);
if (!filename_obj) {
Py_DECREF(loc);
return 0;
}
} else {
Py_INCREF(Py_None);
filename_obj = Py_None;
}
tmp = Py_BuildValue("(NiiN)", filename_obj, LINENO(n), n->n_col_offset, loc);
tmp = Py_BuildValue("(OiiN)", c->c_filename, LINENO(n), n->n_col_offset, loc);
if (!tmp)
return 0;
errstr = PyUnicode_FromString(errmsg);
@ -673,8 +662,8 @@ num_stmts(const node *n)
*/
mod_ty
PyAST_FromNode(const node *n, PyCompilerFlags *flags, const char *filename,
PyArena *arena)
PyAST_FromNodeObject(const node *n, PyCompilerFlags *flags,
PyObject *filename, PyArena *arena)
{
int i, j, k, num;
asdl_seq *stmts = NULL;
@ -684,6 +673,7 @@ PyAST_FromNode(const node *n, PyCompilerFlags *flags, const char *filename,
mod_ty res = NULL;
c.c_arena = arena;
/* borrowed reference */
c.c_filename = filename;
c.c_normalize = c.c_normalize_args = NULL;
if (flags && flags->cf_flags & PyCF_SOURCE_IS_UTF8) {
@ -797,6 +787,21 @@ PyAST_FromNode(const node *n, PyCompilerFlags *flags, const char *filename,
return res;
}
mod_ty
PyAST_FromNode(const node *n, PyCompilerFlags *flags, const char *filename_str,
PyArena *arena)
{
mod_ty mod;
PyObject *filename;
filename = PyUnicode_DecodeFSDefault(filename_str);
if (filename == NULL)
return NULL;
mod = PyAST_FromNodeObject(n, flags, filename, arena);
Py_DECREF(filename);
return mod;
}
/* Return the AST repr. of the operator represented as syntax (|, ^, etc.)
*/

View file

@ -579,8 +579,7 @@ static PyObject *
builtin_compile(PyObject *self, PyObject *args, PyObject *kwds)
{
char *str;
PyObject *filename_obj;
char *filename;
PyObject *filename;
char *startstr;
int mode = -1;
int dont_inherit = 0;
@ -596,12 +595,11 @@ builtin_compile(PyObject *self, PyObject *args, PyObject *kwds)
if (!PyArg_ParseTupleAndKeywords(args, kwds, "OO&s|iii:compile", kwlist,
&cmd,
PyUnicode_FSConverter, &filename_obj,
PyUnicode_FSDecoder, &filename,
&startstr, &supplied_flags,
&dont_inherit, &optimize))
return NULL;
filename = PyBytes_AS_STRING(filename_obj);
cf.cf_flags = supplied_flags | PyCF_SOURCE_IS_UTF8;
if (supplied_flags &
@ -659,8 +657,8 @@ builtin_compile(PyObject *self, PyObject *args, PyObject *kwds)
PyArena_Free(arena);
goto error;
}
result = (PyObject*)PyAST_CompileEx(mod, filename,
&cf, optimize, arena);
result = (PyObject*)PyAST_CompileObject(mod, filename,
&cf, optimize, arena);
PyArena_Free(arena);
}
goto finally;
@ -670,13 +668,13 @@ builtin_compile(PyObject *self, PyObject *args, PyObject *kwds)
if (str == NULL)
goto error;
result = Py_CompileStringExFlags(str, filename, start[mode], &cf, optimize);
result = Py_CompileStringObject(str, filename, start[mode], &cf, optimize);
goto finally;
error:
result = NULL;
finally:
Py_DECREF(filename_obj);
Py_DECREF(filename);
return result;
}

View file

@ -149,8 +149,7 @@ handled by the symbol analysis pass.
*/
struct compiler {
const char *c_filename;
PyObject *c_filename_obj;
PyObject *c_filename;
struct symtable *c_st;
PyFutureFeatures *c_future; /* pointer to module's __future__ */
PyCompilerFlags *c_flags;
@ -288,8 +287,8 @@ compiler_init(struct compiler *c)
}
PyCodeObject *
PyAST_CompileEx(mod_ty mod, const char *filename, PyCompilerFlags *flags,
int optimize, PyArena *arena)
PyAST_CompileObject(mod_ty mod, PyObject *filename, PyCompilerFlags *flags,
int optimize, PyArena *arena)
{
struct compiler c;
PyCodeObject *co = NULL;
@ -304,12 +303,10 @@ PyAST_CompileEx(mod_ty mod, const char *filename, PyCompilerFlags *flags,
if (!compiler_init(&c))
return NULL;
Py_INCREF(filename);
c.c_filename = filename;
c.c_filename_obj = PyUnicode_DecodeFSDefault(filename);
if (!c.c_filename_obj)
goto finally;
c.c_arena = arena;
c.c_future = PyFuture_FromAST(mod, filename);
c.c_future = PyFuture_FromASTObject(mod, filename);
if (c.c_future == NULL)
goto finally;
if (!flags) {
@ -323,7 +320,7 @@ PyAST_CompileEx(mod_ty mod, const char *filename, PyCompilerFlags *flags,
c.c_optimize = (optimize == -1) ? Py_OptimizeFlag : optimize;
c.c_nestlevel = 0;
c.c_st = PySymtable_Build(mod, filename, c.c_future);
c.c_st = PySymtable_BuildObject(mod, filename, c.c_future);
if (c.c_st == NULL) {
if (!PyErr_Occurred())
PyErr_SetString(PyExc_SystemError, "no symtable");
@ -338,6 +335,21 @@ PyAST_CompileEx(mod_ty mod, const char *filename, PyCompilerFlags *flags,
return co;
}
PyCodeObject *
PyAST_CompileEx(mod_ty mod, const char *filename_str, PyCompilerFlags *flags,
int optimize, PyArena *arena)
{
PyObject *filename;
PyCodeObject *co;
filename = PyUnicode_DecodeFSDefault(filename_str);
if (filename == NULL)
return NULL;
co = PyAST_CompileObject(mod, filename, flags, optimize, arena);
Py_DECREF(filename);
return co;
}
PyCodeObject *
PyNode_Compile(struct _node *n, const char *filename)
{
@ -360,8 +372,7 @@ compiler_free(struct compiler *c)
PySymtable_Free(c->c_st);
if (c->c_future)
PyObject_Free(c->c_future);
if (c->c_filename_obj)
Py_DECREF(c->c_filename_obj);
Py_XDECREF(c->c_filename);
Py_DECREF(c->c_stack);
}
@ -1368,12 +1379,11 @@ get_ref_type(struct compiler *c, PyObject *name)
if (scope == 0) {
char buf[350];
PyOS_snprintf(buf, sizeof(buf),
"unknown scope for %.100s in %.100s(%s) in %s\n"
"unknown scope for %.100s in %.100s(%s)\n"
"symbols: %s\nlocals: %s\nglobals: %s",
PyBytes_AS_STRING(name),
PyBytes_AS_STRING(c->u->u_name),
PyObject_REPR(c->u->u_ste->ste_id),
c->c_filename,
PyObject_REPR(c->u->u_ste->ste_symbols),
PyObject_REPR(c->u->u_varnames),
PyObject_REPR(c->u->u_names)
@ -2411,6 +2421,7 @@ compiler_assert(struct compiler *c, stmt_ty s)
{
static PyObject *assertion_error = NULL;
basicblock *end;
PyObject* msg;
if (c->c_optimize)
return 1;
@ -2421,11 +2432,17 @@ compiler_assert(struct compiler *c, stmt_ty s)
}
if (s->v.Assert.test->kind == Tuple_kind &&
asdl_seq_LEN(s->v.Assert.test->v.Tuple.elts) > 0) {
const char* msg =
"assertion is always true, perhaps remove parentheses?";
if (PyErr_WarnExplicit(PyExc_SyntaxWarning, msg, c->c_filename,
c->u->u_lineno, NULL, NULL) == -1)
msg = PyUnicode_FromString("assertion is always true, "
"perhaps remove parentheses?");
if (msg == NULL)
return 0;
if (PyErr_WarnExplicitObject(PyExc_SyntaxWarning, msg,
c->c_filename, c->u->u_lineno,
NULL, NULL) == -1) {
Py_DECREF(msg);
return 0;
}
Py_DECREF(msg);
}
VISIT(c, expr, s->v.Assert.test);
end = compiler_new_block(c);
@ -3593,12 +3610,12 @@ compiler_error(struct compiler *c, const char *errstr)
PyObject *loc;
PyObject *u = NULL, *v = NULL;
loc = PyErr_ProgramText(c->c_filename, c->u->u_lineno);
loc = PyErr_ProgramTextObject(c->c_filename, c->u->u_lineno);
if (!loc) {
Py_INCREF(Py_None);
loc = Py_None;
}
u = Py_BuildValue("(OiiO)", c->c_filename_obj, c->u->u_lineno,
u = Py_BuildValue("(OiiO)", c->c_filename, c->u->u_lineno,
c->u->u_col_offset, loc);
if (!u)
goto exit;
@ -4188,7 +4205,7 @@ makecode(struct compiler *c, struct assembler *a)
nlocals, stackdepth(c), flags,
bytecode, consts, names, varnames,
freevars, cellvars,
c->c_filename_obj, c->u->u_name,
c->c_filename, c->u->u_name,
c->u->u_firstlineno,
a->a_lnotab);
error:

View file

@ -901,7 +901,8 @@ extern PyObject *PyModule_GetWarningsModule(void);
void
PyErr_SyntaxLocation(const char *filename, int lineno) {
PyErr_SyntaxLocation(const char *filename, int lineno)
{
PyErr_SyntaxLocationEx(filename, lineno, -1);
}
@ -911,7 +912,7 @@ PyErr_SyntaxLocation(const char *filename, int lineno) {
to make printing of exceptions believe it is a syntax error. */
void
PyErr_SyntaxLocationEx(const char *filename, int lineno, int col_offset)
PyErr_SyntaxLocationObject(PyObject *filename, int lineno, int col_offset)
{
PyObject *exc, *v, *tb, *tmp;
_Py_IDENTIFIER(filename);
@ -945,16 +946,10 @@ PyErr_SyntaxLocationEx(const char *filename, int lineno, int col_offset)
}
}
if (filename != NULL) {
tmp = PyUnicode_DecodeFSDefault(filename);
if (tmp == NULL)
if (_PyObject_SetAttrId(v, &PyId_filename, filename))
PyErr_Clear();
else {
if (_PyObject_SetAttrId(v, &PyId_filename, tmp))
PyErr_Clear();
Py_DECREF(tmp);
}
tmp = PyErr_ProgramText(filename, lineno);
tmp = PyErr_ProgramTextObject(filename, lineno);
if (tmp) {
if (_PyObject_SetAttrId(v, &PyId_text, tmp))
PyErr_Clear();
@ -984,6 +979,21 @@ PyErr_SyntaxLocationEx(const char *filename, int lineno, int col_offset)
PyErr_Restore(exc, v, tb);
}
void
PyErr_SyntaxLocationEx(const char *filename, int lineno, int col_offset)
{
PyObject *fileobj;
if (filename != NULL) {
fileobj = PyUnicode_DecodeFSDefault(filename);
if (fileobj == NULL)
PyErr_Clear();
}
else
fileobj = NULL;
PyErr_SyntaxLocationObject(fileobj, lineno, col_offset);
Py_XDECREF(fileobj);
}
/* Attempt to load the line of text that the exception refers to. If it
fails, it will return NULL but will not set an exception.
@ -991,15 +1001,11 @@ PyErr_SyntaxLocationEx(const char *filename, int lineno, int col_offset)
functionality in tb_displayline() in traceback.c. */
PyObject *
PyErr_ProgramText(const char *filename, int lineno)
err_programtext(FILE *fp, int lineno)
{
FILE *fp;
int i;
char linebuf[1000];
if (filename == NULL || *filename == '\0' || lineno <= 0)
return NULL;
fp = fopen(filename, "r" PY_STDIOTEXTMODE);
if (fp == NULL)
return NULL;
for (i = 0; i < lineno; i++) {
@ -1030,6 +1036,26 @@ PyErr_ProgramText(const char *filename, int lineno)
return NULL;
}
PyObject *
PyErr_ProgramText(const char *filename, int lineno)
{
FILE *fp;
if (filename == NULL || *filename == '\0' || lineno <= 0)
return NULL;
fp = fopen(filename, "r" PY_STDIOTEXTMODE);
return err_programtext(fp, lineno);
}
PyObject *
PyErr_ProgramTextObject(PyObject *filename, int lineno)
{
FILE *fp;
if (filename == NULL || lineno <= 0)
return NULL;
fp = _Py_fopen(filename, "r" PY_STDIOTEXTMODE);
return err_programtext(fp, lineno);
}
#ifdef __cplusplus
}
#endif

View file

@ -11,7 +11,7 @@
"from __future__ imports must occur at the beginning of the file"
static int
future_check_features(PyFutureFeatures *ff, stmt_ty s, const char *filename)
future_check_features(PyFutureFeatures *ff, stmt_ty s, PyObject *filename)
{
int i;
asdl_seq *names;
@ -43,12 +43,12 @@ future_check_features(PyFutureFeatures *ff, stmt_ty s, const char *filename)
} else if (strcmp(feature, "braces") == 0) {
PyErr_SetString(PyExc_SyntaxError,
"not a chance");
PyErr_SyntaxLocationEx(filename, s->lineno, s->col_offset);
PyErr_SyntaxLocationObject(filename, s->lineno, s->col_offset);
return 0;
} else {
PyErr_Format(PyExc_SyntaxError,
UNDEFINED_FUTURE_FEATURE, feature);
PyErr_SyntaxLocationEx(filename, s->lineno, s->col_offset);
PyErr_SyntaxLocationObject(filename, s->lineno, s->col_offset);
return 0;
}
}
@ -56,7 +56,7 @@ future_check_features(PyFutureFeatures *ff, stmt_ty s, const char *filename)
}
static int
future_parse(PyFutureFeatures *ff, mod_ty mod, const char *filename)
future_parse(PyFutureFeatures *ff, mod_ty mod, PyObject *filename)
{
int i, done = 0, prev_line = 0;
stmt_ty first;
@ -101,7 +101,7 @@ future_parse(PyFutureFeatures *ff, mod_ty mod, const char *filename)
if (done) {
PyErr_SetString(PyExc_SyntaxError,
ERR_LATE_FUTURE);
PyErr_SyntaxLocationEx(filename, s->lineno, s->col_offset);
PyErr_SyntaxLocationObject(filename, s->lineno, s->col_offset);
return 0;
}
if (!future_check_features(ff, s, filename))
@ -121,7 +121,7 @@ future_parse(PyFutureFeatures *ff, mod_ty mod, const char *filename)
PyFutureFeatures *
PyFuture_FromAST(mod_ty mod, const char *filename)
PyFuture_FromASTObject(mod_ty mod, PyObject *filename)
{
PyFutureFeatures *ff;
@ -139,3 +139,18 @@ PyFuture_FromAST(mod_ty mod, const char *filename)
}
return ff;
}
PyFutureFeatures *
PyFuture_FromAST(mod_ty mod, const char *filename_str)
{
PyFutureFeatures *ff;
PyObject *filename;
filename = PyUnicode_DecodeFSDefault(filename_str);
if (filename == NULL)
return NULL;
ff = PyFuture_FromASTObject(mod, filename);
Py_DECREF(filename);
return ff;
}

View file

@ -2051,8 +2051,8 @@ run_pyc_file(FILE *fp, const char *filename, PyObject *globals,
}
PyObject *
Py_CompileStringExFlags(const char *str, const char *filename, int start,
PyCompilerFlags *flags, int optimize)
Py_CompileStringObject(const char *str, PyObject *filename, int start,
PyCompilerFlags *flags, int optimize)
{
PyCodeObject *co;
mod_ty mod;
@ -2060,7 +2060,7 @@ Py_CompileStringExFlags(const char *str, const char *filename, int start,
if (arena == NULL)
return NULL;
mod = PyParser_ASTFromString(str, filename, start, flags, arena);
mod = PyParser_ASTFromStringObject(str, filename, start, flags, arena);
if (mod == NULL) {
PyArena_Free(arena);
return NULL;
@ -2070,11 +2070,24 @@ Py_CompileStringExFlags(const char *str, const char *filename, int start,
PyArena_Free(arena);
return result;
}
co = PyAST_CompileEx(mod, filename, flags, optimize, arena);
co = PyAST_CompileObject(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;
}
/* For use in Py_LIMITED_API */
#undef Py_CompileString
PyObject *
@ -2084,46 +2097,62 @@ PyCompileString(const char *str, const char *filename, int start)
}
struct symtable *
Py_SymtableString(const char *str, const char *filename, int start)
Py_SymtableStringObject(const char *str, PyObject *filename, int start)
{
struct symtable *st;
mod_ty mod;
PyCompilerFlags flags;
PyArena *arena = PyArena_New();
PyArena *arena;
arena = PyArena_New();
if (arena == NULL)
return NULL;
flags.cf_flags = 0;
mod = PyParser_ASTFromString(str, filename, start, &flags, arena);
mod = PyParser_ASTFromStringObject(str, filename, start, &flags, arena);
if (mod == NULL) {
PyArena_Free(arena);
return NULL;
}
st = PySymtable_Build(mod, filename, 0);
st = PySymtable_BuildObject(mod, filename, 0);
PyArena_Free(arena);
return st;
}
struct symtable *
Py_SymtableString(const char *str, const char *filename_str, int start)
{
PyObject *filename;
struct symtable *st;
filename = PyUnicode_DecodeFSDefault(filename_str);
if (filename == NULL)
return NULL;
st = Py_SymtableStringObject(str, filename, start);
Py_DECREF(filename);
return st;
}
/* Preferred access to parser is through AST. */
mod_ty
PyParser_ASTFromString(const char *s, const char *filename, int start,
PyCompilerFlags *flags, PyArena *arena)
PyParser_ASTFromStringObject(const char *s, PyObject *filename, int start,
PyCompilerFlags *flags, PyArena *arena)
{
mod_ty mod;
PyCompilerFlags localflags;
perrdetail err;
int iflags = PARSER_FLAGS(flags);
node *n = PyParser_ParseStringFlagsFilenameEx(s, filename,
&_PyParser_Grammar, start, &err,
&iflags);
node *n = PyParser_ParseStringObject(s, filename,
&_PyParser_Grammar, start, &err,
&iflags);
if (flags == NULL) {
localflags.cf_flags = 0;
flags = &localflags;
}
if (n) {
flags->cf_flags |= iflags & PyCF_MASK;
mod = PyAST_FromNode(n, flags, filename, arena);
mod = PyAST_FromNodeObject(n, flags, filename, arena);
PyNode_Free(n);
}
else {
@ -2135,26 +2164,40 @@ PyParser_ASTFromString(const char *s, const char *filename, int start,
}
mod_ty
PyParser_ASTFromFile(FILE *fp, const char *filename, const char* enc,
int start, char *ps1,
char *ps2, PyCompilerFlags *flags, int *errcode,
PyArena *arena)
PyParser_ASTFromString(const char *s, const char *filename_str, int start,
PyCompilerFlags *flags, PyArena *arena)
{
PyObject *filename;
mod_ty mod;
filename = PyUnicode_DecodeFSDefault(filename_str);
if (filename == NULL)
return NULL;
mod = PyParser_ASTFromStringObject(s, filename, start, flags, arena);
Py_DECREF(filename);
return mod;
}
mod_ty
PyParser_ASTFromFileObject(FILE *fp, PyObject *filename, const char* enc,
int start, char *ps1,
char *ps2, PyCompilerFlags *flags, int *errcode,
PyArena *arena)
{
mod_ty mod;
PyCompilerFlags localflags;
perrdetail err;
int iflags = PARSER_FLAGS(flags);
node *n = PyParser_ParseFileFlagsEx(fp, filename, enc,
&_PyParser_Grammar,
start, ps1, ps2, &err, &iflags);
node *n = PyParser_ParseFileObject(fp, filename, enc,
&_PyParser_Grammar,
start, ps1, ps2, &err, &iflags);
if (flags == NULL) {
localflags.cf_flags = 0;
flags = &localflags;
}
if (n) {
flags->cf_flags |= iflags & PyCF_MASK;
mod = PyAST_FromNode(n, flags, filename, arena);
mod = PyAST_FromNodeObject(n, flags, filename, arena);
PyNode_Free(n);
}
else {
@ -2167,6 +2210,23 @@ PyParser_ASTFromFile(FILE *fp, const char *filename, const char* enc,
return mod;
}
mod_ty
PyParser_ASTFromFile(FILE *fp, const char *filename_str, const char* enc,
int start, char *ps1,
char *ps2, PyCompilerFlags *flags, int *errcode,
PyArena *arena)
{
mod_ty mod;
PyObject *filename;
filename = PyUnicode_DecodeFSDefault(filename_str);
if (filename == NULL)
return NULL;
mod = PyParser_ASTFromFileObject(fp, filename, enc, start, ps1, ps2,
flags, errcode, arena);
Py_DECREF(filename);
return mod;
}
/* Simplified interface to parsefile -- return node or set exception */
node *

View file

@ -233,7 +233,7 @@ symtable_new(void)
#define COMPILER_STACK_FRAME_SCALE 3
struct symtable *
PySymtable_Build(mod_ty mod, const char *filename, PyFutureFeatures *future)
PySymtable_BuildObject(mod_ty mod, PyObject *filename, PyFutureFeatures *future)
{
struct symtable *st = symtable_new();
asdl_seq *seq;
@ -241,7 +241,12 @@ PySymtable_Build(mod_ty mod, const char *filename, PyFutureFeatures *future)
PyThreadState *tstate;
if (st == NULL)
return st;
return NULL;
if (filename == NULL) {
PySymtable_Free(st);
return NULL;
}
Py_INCREF(filename);
st->st_filename = filename;
st->st_future = future;
@ -302,9 +307,23 @@ PySymtable_Build(mod_ty mod, const char *filename, PyFutureFeatures *future)
return NULL;
}
struct symtable *
PySymtable_Build(mod_ty mod, const char *filename_str, PyFutureFeatures *future)
{
PyObject *filename;
struct symtable *st;
filename = PyUnicode_DecodeFSDefault(filename_str);
if (filename == NULL)
return NULL;
st = PySymtable_BuildObject(mod, filename, future);
Py_DECREF(filename);
return st;
}
void
PySymtable_Free(struct symtable *st)
{
Py_XDECREF(st->st_filename);
Py_XDECREF(st->st_blocks);
Py_XDECREF(st->st_stack);
PyMem_Free((void *)st);
@ -354,9 +373,9 @@ error_at_directive(PySTEntryObject *ste, PyObject *name)
if (PyTuple_GET_ITEM(data, 0) == name)
break;
}
PyErr_SyntaxLocationEx(ste->ste_table->st_filename,
PyLong_AsLong(PyTuple_GET_ITEM(data, 1)),
PyLong_AsLong(PyTuple_GET_ITEM(data, 2)));
PyErr_SyntaxLocationObject(ste->ste_table->st_filename,
PyLong_AsLong(PyTuple_GET_ITEM(data, 1)),
PyLong_AsLong(PyTuple_GET_ITEM(data, 2)));
return 0;
}
@ -583,8 +602,9 @@ check_unoptimized(const PySTEntryObject* ste) {
break;
}
PyErr_SyntaxLocationEx(ste->ste_table->st_filename, ste->ste_opt_lineno,
ste->ste_opt_col_offset);
PyErr_SyntaxLocationObject(ste->ste_table->st_filename,
ste->ste_opt_lineno,
ste->ste_opt_col_offset);
return 0;
}
@ -915,15 +935,20 @@ symtable_analyze(struct symtable *st)
static int
symtable_warn(struct symtable *st, char *msg, int lineno)
{
if (PyErr_WarnExplicit(PyExc_SyntaxWarning, msg, st->st_filename,
lineno, NULL, NULL) < 0) {
PyObject *message = PyUnicode_FromString(msg);
if (message == NULL)
return 0;
if (PyErr_WarnExplicitObject(PyExc_SyntaxWarning, message, st->st_filename,
lineno, NULL, NULL) < 0) {
Py_DECREF(message);
if (PyErr_ExceptionMatches(PyExc_SyntaxWarning)) {
PyErr_SetString(PyExc_SyntaxError, msg);
PyErr_SyntaxLocationEx(st->st_filename, st->st_cur->ste_lineno,
st->st_cur->ste_col_offset);
PyErr_SyntaxLocationObject(st->st_filename, st->st_cur->ste_lineno,
st->st_cur->ste_col_offset);
}
return 0;
}
Py_DECREF(message);
return 1;
}
@ -1006,9 +1031,9 @@ symtable_add_def(struct symtable *st, PyObject *name, int flag)
if ((flag & DEF_PARAM) && (val & DEF_PARAM)) {
/* Is it better to use 'mangled' or 'name' here? */
PyErr_Format(PyExc_SyntaxError, DUPLICATE_ARGUMENT, name);
PyErr_SyntaxLocationEx(st->st_filename,
st->st_cur->ste_lineno,
st->st_cur->ste_col_offset);
PyErr_SyntaxLocationObject(st->st_filename,
st->st_cur->ste_lineno,
st->st_cur->ste_col_offset);
goto error;
}
val |= flag;
@ -1613,7 +1638,7 @@ symtable_visit_alias(struct symtable *st, alias_ty a)
int lineno = st->st_cur->ste_lineno;
int col_offset = st->st_cur->ste_col_offset;
PyErr_SetString(PyExc_SyntaxError, IMPORT_STAR_WARNING);
PyErr_SyntaxLocationEx(st->st_filename, lineno, col_offset);
PyErr_SyntaxLocationObject(st->st_filename, lineno, col_offset);
Py_DECREF(store_name);
return 0;
}