147 lines
4.5 KiB
C++
147 lines
4.5 KiB
C++
/*
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* nextpnr -- Next Generation Place and Route
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*
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* Copyright (C) 2018 Miodrag Milanovic <miodrag@symbioticeda.com>
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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*/
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#ifndef NO_PYTHON
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#include "pythontab.h"
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#include <QGridLayout>
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#include "pybindings.h"
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NEXTPNR_NAMESPACE_BEGIN
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PythonTab::PythonTab(QWidget *parent) : QWidget(parent),initialized(false)
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{
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// Add text area for Python output and input line
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plainTextEdit = new QPlainTextEdit();
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plainTextEdit->setReadOnly(true);
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plainTextEdit->setMinimumHeight(100);
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QFont f("unexistent");
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f.setStyleHint(QFont::Monospace);
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plainTextEdit->setFont(f);
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plainTextEdit->setContextMenuPolicy(Qt::CustomContextMenu);
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QAction *clearAction = new QAction("Clear &buffer", this);
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clearAction->setStatusTip("Clears display buffer");
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connect(clearAction, SIGNAL(triggered()), this, SLOT(clearBuffer()));
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contextMenu = plainTextEdit->createStandardContextMenu();
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contextMenu->addSeparator();
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contextMenu->addAction(clearAction);
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connect(plainTextEdit, SIGNAL(customContextMenuRequested(const QPoint)), this, SLOT(showContextMenu(const QPoint)));
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lineEdit = new LineEditor();
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lineEdit->setMinimumHeight(30);
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lineEdit->setMaximumHeight(30);
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lineEdit->setFont(f);
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QGridLayout *mainLayout = new QGridLayout();
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mainLayout->addWidget(plainTextEdit, 0, 0);
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mainLayout->addWidget(lineEdit, 1, 0);
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setLayout(mainLayout);
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connect(lineEdit, SIGNAL(textLineInserted(QString)), this, SLOT(editLineReturnPressed(QString)));
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}
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PythonTab::~PythonTab()
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{
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if (initialized)
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deinit_python();
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}
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void PythonTab::newContext(Context *ctx)
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{
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if (initialized)
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deinit_python();
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plainTextEdit->clear();
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init_python("nextpnr", !initialized);
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python_export_global("ctx", ctx);
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initialized = true;
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char buff[1024];
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sprintf(buff, "Python %s on %s\n", Py_GetVersion(), Py_GetPlatform());
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print(buff);
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}
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void PythonTab::print(std::string line)
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{
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plainTextEdit->moveCursor(QTextCursor::End);
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plainTextEdit->insertPlainText(line.c_str());
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plainTextEdit->moveCursor(QTextCursor::End);
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}
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void handle_system_exit() { exit(-1); }
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int PythonTab::executePython(std::string &command)
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{
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PyObject *m, *d, *v;
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m = PyImport_AddModule("__main__");
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if (m == NULL)
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return -1;
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d = PyModule_GetDict(m);
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v = PyRun_StringFlags(command.c_str(), (command.empty() ? Py_file_input : Py_single_input), d, d, NULL);
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if (v == NULL) {
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PyObject *exception, *v, *tb;
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if (PyErr_ExceptionMatches(PyExc_SystemExit)) {
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handle_system_exit();
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}
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PyErr_Fetch(&exception, &v, &tb);
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if (exception == NULL)
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return 0;
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PyErr_NormalizeException(&exception, &v, &tb);
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if (tb == NULL) {
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tb = Py_None;
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Py_INCREF(tb);
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}
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PyException_SetTraceback(v, tb);
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if (exception == NULL)
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return 0;
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PyErr_Clear();
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PyObject *objectsRepresentation = PyObject_Str(v);
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std::string errorStr = PyUnicode_AsUTF8(objectsRepresentation) + std::string("\n");
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print(errorStr);
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Py_DECREF(objectsRepresentation);
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Py_XDECREF(exception);
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Py_XDECREF(v);
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Py_XDECREF(tb);
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return -1;
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}
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Py_DECREF(v);
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return 0;
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}
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void PythonTab::editLineReturnPressed(QString text)
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{
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if (initialized)
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{
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std::string input = text.toStdString();
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print(std::string(">>> " + input + "\n"));
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executePython(input);
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}
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}
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void PythonTab::showContextMenu(const QPoint &pt) { contextMenu->exec(mapToGlobal(pt)); }
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void PythonTab::clearBuffer() { plainTextEdit->clear(); }
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NEXTPNR_NAMESPACE_END
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#endif |