Ejemplo n.º 1
0
/**
 * Called from Python with the codeObject and line number of the currently executing line
 * @param codeObject A pointer to the code object whose line is executing
 * @param lineNo The line number that the code is currently executing, note that
 * this will be relative to the top of the code that was executed
 */
void PythonScript::lineNumberChanged(PyObject *codeObject, int lineNo)
{
    if(codeObject == m_CodeFileObject)
    {
        sendLineChangeSignal(getRealLineNo(lineNo), false);
    }
}
Ejemplo n.º 2
0
/**
 * Constructs a string error message from a syntax exception value object
 * @param syntaxError An instance of PyExc_SyntaxError
 */
QString PythonScript::constructSyntaxErrorStr(PyObject *syntaxError)
{
    QString exceptionAsStr = m_pythonEnv->toString(syntaxError);
    exceptionAsStr = exceptionAsStr.section("(", 0, 0).trimmed();
    const QString filename = m_pythonEnv->toString(PyObject_GetAttrString(syntaxError, "filename"), true);
    int lineno = static_cast<int>(m_pythonEnv->toLong(PyObject_GetAttrString(syntaxError, "lineno")));
#if PY_VERSION_HEX < 0x02070000
    // Syntax errors generated by earlier versions seem to have a line number off by 1
    lineno -= 1;
#endif

    QString msg;
    // If the text attribute is not None then an offset in the code can be shown using a ^ character
    PyObject *textObject = PyObject_GetAttrString(syntaxError, "text");
    if(textObject != Py_None)
    {
        QString text = m_pythonEnv->toString(textObject, true).trimmed();
        int offset = static_cast<int>(m_pythonEnv->toLong(PyObject_GetAttrString(syntaxError, "offset")));
        QString offsetMarker = QString(offset-1, ' ') + "^";
        msg =
            "File \"%1\", line %2\n"
            "    %3\n"
            "    %4\n"
            "SyntaxError: %5";
        msg = msg.arg(filename);
        msg = msg.arg(lineno);
        msg = msg.arg(text, offsetMarker, exceptionAsStr);
    }
    else
    {
        msg =
            "File \"%1\", line %2\n"
            "SyntaxError: %3";
        msg = msg.arg(filename);
        msg = msg.arg(lineno);
        msg = msg.arg(exceptionAsStr);
    }
    if(filename == identifier().c_str())
    {
        sendLineChangeSignal(lineno, true);
    }
    return msg;
}
Ejemplo n.º 3
0
/**
 * Form a traceback
 * @param msg The reference to the textstream to accumulate the message
 * @param traceback A traceback object
 * @param root If true then this is the root of the traceback
 */
void PythonScript::tracebackToMsg(QTextStream &msgStream,
                                  PyTracebackObject *traceback, bool root) {
  if (traceback == nullptr)
    return;
  msgStream << "\n  ";
  if (root)
    msgStream << "at";
  else
    msgStream << "caused by";

  int lineno = traceback->tb_lineno;
  QString filename =
      QString::fromAscii(TO_CSTRING(traceback->tb_frame->f_code->co_filename));
  if (filename == identifier().c_str()) {
    lineno = getRealLineNo(lineno);
    sendLineChangeSignal(lineno, true);
  }

  msgStream << " line " << lineno << " in \'" << filename << "\'";
  tracebackToMsg(msgStream, traceback->tb_next, false);
}