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/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the documentation of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights.  These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

//! [0]
if (extension == Callable) {
    QScriptContext *context = qvariant_cast<QScriptContext*>(argument);
    QScriptEngine *engine = context->engine();
    double sum = 0;
    for (int i = 0; i < context->argumentCount(); ++i)
        sum += context->argument(i).toNumber();
    return sum;
}
//! [0]
assert(s->kind == ImportFrom_kind); names = s->v.ImportFrom.names; for (i = 0; i < asdl_seq_LEN(names); i++) { alias_ty name = (alias_ty)asdl_seq_GET(names, i); const char *feature = _PyUnicode_AsString(name->name); if (!feature) return 0; if (strcmp(feature, FUTURE_NESTED_SCOPES) == 0) { continue; } else if (strcmp(feature, FUTURE_GENERATORS) == 0) { continue; } else if (strcmp(feature, FUTURE_DIVISION) == 0) { continue; } else if (strcmp(feature, FUTURE_ABSOLUTE_IMPORT) == 0) { continue; } else if (strcmp(feature, FUTURE_WITH_STATEMENT) == 0) { continue; } else if (strcmp(feature, FUTURE_PRINT_FUNCTION) == 0) { continue; } else if (strcmp(feature, FUTURE_UNICODE_LITERALS) == 0) { continue; } else if (strcmp(feature, FUTURE_BARRY_AS_BDFL) == 0) { ff->ff_features |= CO_FUTURE_BARRY_AS_BDFL; } else if (strcmp(feature, "braces") == 0) { PyErr_SetString(PyExc_SyntaxError, "not a chance"); PyErr_SyntaxLocationObject(filename, s->lineno, s->col_offset); return 0; } else { PyErr_Format(PyExc_SyntaxError, UNDEFINED_FUTURE_FEATURE, feature); PyErr_SyntaxLocationObject(filename, s->lineno, s->col_offset); return 0; } } return 1; } static int future_parse(PyFutureFeatures *ff, mod_ty mod, PyObject *filename) { int i, done = 0, prev_line = 0; stmt_ty first; if (!(mod->kind == Module_kind || mod->kind == Interactive_kind)) return 1; if (asdl_seq_LEN(mod->v.Module.body) == 0) return 1; /* A subsequent pass will detect future imports that don't appear at the beginning of the file. There's one case, however, that is easier to handle here: A series of imports joined by semi-colons, where the first import is a future statement but some subsequent import has the future form but is preceded by a regular import. */ i = 0; first = (stmt_ty)asdl_seq_GET(mod->v.Module.body, i); if (first->kind == Expr_kind && first->v.Expr.value->kind == Str_kind) i++; for (; i < asdl_seq_LEN(mod->v.Module.body); i++) { stmt_ty s = (stmt_ty)asdl_seq_GET(mod->v.Module.body, i); if (done && s->lineno > prev_line) return 1; prev_line = s->lineno; /* The tests below will return from this function unless it is still possible to find a future statement. The only things that can precede a future statement are another future statement and a doc string. */ if (s->kind == ImportFrom_kind) { identifier modname = s->v.ImportFrom.module; if (modname && !PyUnicode_CompareWithASCIIString(modname, "__future__")) { if (done) { PyErr_SetString(PyExc_SyntaxError, ERR_LATE_FUTURE); PyErr_SyntaxLocationObject(filename, s->lineno, s->col_offset); return 0; } if (!future_check_features(ff, s, filename)) return 0; ff->ff_lineno = s->lineno; } else { done = 1; } } else { done = 1; } } return 1; } PyFutureFeatures * PyFuture_FromASTObject(mod_ty mod, PyObject *filename) { PyFutureFeatures *ff; ff = (PyFutureFeatures *)PyObject_Malloc(sizeof(PyFutureFeatures)); if (ff == NULL) { PyErr_NoMemory(); return NULL; } ff->ff_features = 0; ff->ff_lineno = -1; if (!future_parse(ff, mod, filename)) { PyObject_Free(ff); return NULL; } 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; }