mirror of
https://github.com/worldforge/cyphesis
synced 2026-08-13 12:26:04 -04:00
89 lines
2.8 KiB
C++
89 lines
2.8 KiB
C++
// Cyphesis Online RPG Server and AI Engine
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// Copyright (C) 2011 Alistair Riddoch
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// 2001-2011 Python Software Foundation
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software Foundation,
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// Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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// Portions of this file have been copied from Python 2.6.7 and so this file
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// is a derivative work. The derivative is distributed under the GPL as
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// permitted by the license used by Python Software Foundation.
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// $Id$
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#ifdef NDEBUG
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#undef NDEBUG
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#endif
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#ifndef DEBUG
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#define DEBUG
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#endif
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#include <Python.h>
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#include <Python-ast.h>
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#include "python_testers.h"
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// This function is directly lifted from Python 2.6.7, pythonrun.c. It
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// forms part of the implementation of PyRun_SimpleStringFlags() as replicated
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// below, with modifications to treat parse errors differently.
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static PyObject *
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run_mod(mod_ty mod, const char *filename, PyObject *globals, PyObject *locals,
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PyCompilerFlags *flags, PyArena *arena)
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{
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PyCodeObject *co;
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PyObject *v;
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co = PyAST_Compile(mod, filename, flags, arena);
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if (co == NULL)
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return NULL;
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v = PyEval_EvalCode(co, globals, locals);
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Py_DECREF(co);
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return v;
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}
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// This function is expanded out from the Python library function
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// PyRun_SimpleStringFlags(). We do this so we can tell the difference,
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// and fail in the case of a parse error in the code text. The unit tests
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// do contain code which should fail, but never any code that fails because
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// it won't parse.
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int CyPyRun_SimpleString(const char * command)
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{
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PyCompilerFlags *flags = NULL;
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PyObject * m = PyImport_AddModule("__main__");
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if (m == NULL)
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return -1;
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PyObject * d = PyModule_GetDict(m);
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// v = PyRun_StringFlags(command, Py_file_input, d, d, flags);
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PyArena *arena = PyArena_New();
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if (arena == NULL)
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return NULL;
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mod_ty mod = PyParser_ASTFromString(command, "<string>", Py_file_input, flags, arena);
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if (mod == NULL) {
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PyArena_Free(arena);
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PyErr_Print();
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return -2;
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}
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PyObject *ret = run_mod(mod, "<string>", d, d, flags, arena);
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PyArena_Free(arena);
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if (ret == NULL) {
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PyErr_Print();
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return -1;
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}
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Py_DECREF(ret);
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if (Py_FlushLine())
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PyErr_Clear();
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return 0;
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}
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