/* Preferred access to parser is through AST. */
mod_ty
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_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_FromNodeObject(n, flags, filename, arena);
PyNode_Free(n);
}
else {
err_input(&err);
mod = NULL;
}
err_free(&err);
return mod;
}
mod_ty
PyParser_ASTFromFileObject(FILE *fp, PyObject *filename, const char* enc,
int start, const char *ps1,
const char *ps2, PyCompilerFlags *flags, int *errcode,
PyArena *arena)
{
mod_ty mod;
PyCompilerFlags localflags;
perrdetail err;
int iflags = PARSER_FLAGS(flags);
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_FromNodeObject(n, flags, filename, arena);
PyNode_Free(n);
}
else {
err_input(&err);
if (errcode)
*errcode = err.error;
mod = NULL;
}
err_free(&err);
return mod;
}
/* parser_compilest(PyObject* self, PyObject* args)
*
* This function creates code objects from the parse tree represented by
* the passed-in data object. An optional file name is passed in as well.
*
*/
static PyObject*
parser_compilest(PyST_Object *self, PyObject *args, PyObject *kw)
{
PyObject* res = NULL;
PyArena* arena = NULL;
mod_ty mod;
PyObject* filename = NULL;
int ok;
static char *keywords[] = {"st", "filename", NULL};
if (self == NULL || PyModule_Check(self))
ok = PyArg_ParseTupleAndKeywords(args, kw, "O!|O&:compilest", keywords,
&PyST_Type, &self,
PyUnicode_FSDecoder, &filename);
else
ok = PyArg_ParseTupleAndKeywords(args, kw, "|O&:compile", &keywords[1],
PyUnicode_FSDecoder, &filename);
if (!ok)
goto error;
if (filename == NULL) {
filename = PyUnicode_FromString("<syntax-tree>");
if (filename == NULL)
goto error;
}
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;
}
