-
Notifications
You must be signed in to change notification settings - Fork 30
/
ObnLjEditor.cpp
652 lines (565 loc) · 19.1 KB
/
ObnLjEditor.cpp
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
/*
* Copyright 2019 Rochus Keller <mailto:[email protected]>
*
* This file is part of the Oberon parser/compiler library.
*
* The following is the license that applies to this copy of the
* library. For a license to use the library under conditions
* other than those described here, please email to [email protected].
*
* GNU General Public License Usage
* This file may be used under the terms of the GNU General Public
* License (GPL) versions 2.0 or 3.0 as published by the Free Software
* Foundation and appearing in the file LICENSE.GPL included in
* the packaging of this file. Please review the following information
* to ensure GNU General Public Licensing requirements will be met:
* http://www.fsf.org/licensing/licenses/info/GPLv2.html and
* http://www.gnu.org/copyleft/gpl.html.
*/
#include "ObnLjEditor.h"
#include "ObnHighlighter.h"
#include "ObCodeModel.h"
#include "ObFileCache.h"
#include "ObLuaGen.h"
#include "ObLjLib.h"
#include "ObAst.h"
#include "ObAstEval.h"
#include "ObLuaGen2.h"
#include "ObLjbcGen.h"
#include "ObLexer.h"
#include <LjTools/Engine2.h>
#include <LjTools/Terminal2.h>
#include <LjTools/BcViewer2.h>
#include <LjTools/LuaJitEngine.h>
#include <QtDebug>
#include <QDockWidget>
#include <QApplication>
#include <QStandardPaths>
#include <QDir>
#include <QDateTime>
#include <QSettings>
#include <QShortcut>
#include <QMessageBox>
#include <QFileDialog>
#include <QFileInfo>
#include <QBuffer>
#include <GuiTools/AutoMenu.h>
#include <GuiTools/CodeEditor.h>
#include <GuiTools/AutoShortcut.h>
using namespace Ob;
using namespace Lua;
#define USE_LJBC_GEN
static LjEditor* s_this = 0;
static void report(QtMsgType type, const QString& message )
{
if( s_this )
{
switch(type)
{
case QtDebugMsg:
s_this->logMessage(QLatin1String("INF: ") + message);
break;
case QtWarningMsg:
s_this->logMessage(QLatin1String("WRN: ") + message);
break;
case QtCriticalMsg:
case QtFatalMsg:
s_this->logMessage(QLatin1String("ERR: ") + message, true);
break;
}
}
}
static QtMessageHandler s_oldHandler = 0;
void messageHander(QtMsgType type, const QMessageLogContext& ctx, const QString& message)
{
if( s_oldHandler )
s_oldHandler(type, ctx, message );
report(type,message);
}
static void loadLuaLib( Lua::Engine2* lua, const QByteArray& name )
{
QFile obnlj( QString(":/runtime/%1.lua").arg(name.constData()) );
if( !obnlj.open(QIODevice::ReadOnly) )
qCritical() << "cannot load Lua lib" << name;
if( !lua->addSourceLib( obnlj.readAll(), name ) )
qCritical() << "compiling" << name << ":" << lua->getLastError();
}
LjEditor::LjEditor(QWidget *parent)
: QMainWindow(parent),d_lock(false),d_useGen(Gen2)
{
s_this = this;
d_lua = new Engine2(this);
d_lua->addStdLibs();
d_lua->addLibrary(Engine2::PACKAGE);
d_lua->addLibrary(Engine2::IO);
d_lua->addLibrary(Engine2::DBG);
d_lua->addLibrary(Engine2::BIT);
d_lua->addLibrary(Engine2::JIT);
d_lua->addLibrary(Engine2::OS);
d_lua->addLibrary(Engine2::FFI);
LjLib::install(d_lua->getCtx());
Engine2::setInst(d_lua);
loadLuaLib( d_lua, "obnlj" );
loadLuaLib(d_lua,"In");
loadLuaLib(d_lua,"Out");
loadLuaLib(d_lua,"Files");
loadLuaLib(d_lua,"Input");
loadLuaLib(d_lua,"Math");
loadLuaLib(d_lua,"Strings");
loadLuaLib(d_lua,"Coroutines");
loadLuaLib(d_lua,"XYPlane");
d_eng = new JitEngine(this);
d_edit = new CodeEditor(this);
d_edit->setCharPerTab(3);
d_edit->setPaintIndents(false);
d_hl = new Highlighter( d_edit->document() );
d_hl->setEnableExt(true); // TODO TEST
d_edit->updateTabWidth();
setDockNestingEnabled(true);
setCorner( Qt::BottomRightCorner, Qt::RightDockWidgetArea );
setCorner( Qt::BottomLeftCorner, Qt::LeftDockWidgetArea );
setCorner( Qt::TopRightCorner, Qt::RightDockWidgetArea );
setCorner( Qt::TopLeftCorner, Qt::LeftDockWidgetArea );
createTerminal();
createDumpView();
createMenu();
setCentralWidget(d_edit);
s_oldHandler = qInstallMessageHandler(messageHander);
QSettings s;
if( s.value("Fullscreen").toBool() )
showFullScreen();
else
showMaximized();
const QVariant state = s.value( "DockState" );
if( !state.isNull() )
restoreState( state.toByteArray() );
connect(d_edit, SIGNAL(modificationChanged(bool)), this, SLOT(onCaption()) );
connect(d_bcv,SIGNAL(sigGotoLine(quint32)),this,SLOT(onGotoLnr(quint32)));
connect(d_edit,SIGNAL(cursorPositionChanged()),this,SLOT(onCursor()));
connect(d_eng,SIGNAL(sigPrint(QString,bool)), d_term, SLOT(printText(QString,bool)) );
}
LjEditor::~LjEditor()
{
}
static bool preloadLib( Ast::Model& mdl, const QByteArray& name )
{
QFile f( QString(":/oakwood/%1.Def" ).arg(name.constData() ) );
if( !f.open(QIODevice::ReadOnly) )
{
qCritical() << "unknown preload" << name;
return false;
}
mdl.addPreload( name, f.readAll() );
return true;
}
void LjEditor::loadFile(const QString& path)
{
QFile in(path);
if( !in.open(QIODevice::ReadOnly) )
return;
if( Ob::Lexer::skipOberonHeader(&in) )
{
QBuffer buf;
buf.buffer() = in.readAll();
buf.buffer().replace( '\r', '\n' );
buf.open(QIODevice::ReadOnly);
d_edit->loadFromFile(&buf,path);
}else
d_edit->loadFromFile(&in,path);
QDir::setCurrent(QFileInfo(path).absolutePath());
onCaption();
onParse();
}
void LjEditor::logMessage(const QString& str, bool err)
{
d_term->printText(str,err);
}
void LjEditor::closeEvent(QCloseEvent* event)
{
QSettings s;
s.setValue( "DockState", saveState() );
event->setAccepted(checkSaved( tr("Quit Application")));
}
void LjEditor::createTerminal()
{
QDockWidget* dock = new QDockWidget( tr("Terminal"), this );
dock->setObjectName("Terminal");
dock->setAllowedAreas( Qt::AllDockWidgetAreas );
dock->setFeatures( QDockWidget::DockWidgetMovable );
d_term = new Terminal2(dock, d_lua);
dock->setWidget(d_term);
addDockWidget( Qt::BottomDockWidgetArea, dock );
new Gui::AutoShortcut( tr("CTRL+SHIFT+C"), this, d_term, SLOT(onClear()) );
}
void LjEditor::createDumpView()
{
QDockWidget* dock = new QDockWidget( tr("Bytecode"), this );
dock->setObjectName("Bytecode");
dock->setAllowedAreas( Qt::AllDockWidgetAreas );
dock->setFeatures( QDockWidget::DockWidgetMovable );
d_bcv = new BcViewer2(dock);
dock->setWidget(d_bcv);
addDockWidget( Qt::RightDockWidgetArea, dock );
}
void LjEditor::createMenu()
{
Gui::AutoMenu* pop = new Gui::AutoMenu( d_edit, true );
pop->addCommand( "New", this, SLOT(onNew()), tr("CTRL+N"), false );
pop->addCommand( "Open...", this, SLOT(onOpen()), tr("CTRL+O"), false );
pop->addCommand( "Save", this, SLOT(onSave()), tr("CTRL+S"), false );
pop->addCommand( "Save as...", this, SLOT(onSaveAs()) );
pop->addSeparator();
pop->addCommand( "Compile", this, SLOT(onParse()), tr("CTRL+T"), false );
pop->addCommand( "Run on LuaJIT", this, SLOT(onRun()), tr("CTRL+R"), false );
pop->addCommand( "Run on test VM", this, SLOT(onRun2()), tr("CTRL+SHIFT+R"), false );
pop->addCommand( "Export binary...", this, SLOT(onExportBc()) );
pop->addCommand( "Export LjAsm...", this, SLOT(onExportAsm()) );
pop->addCommand( "Export Lua...", this, SLOT(onExportLua()) );
pop->addSeparator();
pop->addCommand( "Undo", d_edit, SLOT(handleEditUndo()), tr("CTRL+Z"), true );
pop->addCommand( "Redo", d_edit, SLOT(handleEditRedo()), tr("CTRL+Y"), true );
pop->addSeparator();
pop->addCommand( "Cut", d_edit, SLOT(handleEditCut()), tr("CTRL+X"), true );
pop->addCommand( "Copy", d_edit, SLOT(handleEditCopy()), tr("CTRL+C"), true );
pop->addCommand( "Paste", d_edit, SLOT(handleEditPaste()), tr("CTRL+V"), true );
pop->addSeparator();
pop->addCommand( "Find...", d_edit, SLOT(handleFind()), tr("CTRL+F"), true );
pop->addCommand( "Find again", d_edit, SLOT(handleFindAgain()), tr("F3"), true );
pop->addCommand( "Replace...", d_edit, SLOT(handleReplace()) );
pop->addSeparator();
pop->addCommand( "&Goto...", d_edit, SLOT(handleGoto()), tr("CTRL+G"), true );
pop->addCommand( "Go Back", d_edit, SLOT(handleGoBack()), tr("ALT+Left"), true );
pop->addCommand( "Go Forward", d_edit, SLOT(handleGoForward()), tr("ALT+Right"), true );
pop->addSeparator();
pop->addCommand( "Indent", d_edit, SLOT(handleIndent()) );
pop->addCommand( "Unindent", d_edit, SLOT(handleUnindent()) );
pop->addCommand( "Fix Indents", d_edit, SLOT(handleFixIndent()) );
pop->addCommand( "Set Indentation Level...", d_edit, SLOT(handleSetIndent()) );
pop->addSeparator();
pop->addCommand( "Print...", d_edit, SLOT(handlePrint()), tr("CTRL+P"), true );
pop->addCommand( "Export PDF...", d_edit, SLOT(handleExportPdf()), tr("CTRL+SHIFT+P"), true );
pop->addSeparator();
pop->addCommand( "Set &Font...", d_edit, SLOT(handleSetFont()) );
pop->addCommand( "Show &Linenumbers", d_edit, SLOT(handleShowLinenumbers()) );
pop->addCommand( "Show Fullscreen", this, SLOT(onFullScreen()) );
pop->addSeparator();
pop->addAction(tr("Quit"),qApp,SLOT(quit()), tr("CTRL+Q") );
new QShortcut(tr("CTRL+Q"),this,SLOT(close()));
new Gui::AutoShortcut( tr("CTRL+O"), this, this, SLOT(onOpen()) );
new Gui::AutoShortcut( tr("CTRL+N"), this, this, SLOT(onNew()) );
new Gui::AutoShortcut( tr("CTRL+O"), this, this, SLOT(onOpen()) );
new Gui::AutoShortcut( tr("CTRL+S"), this, this, SLOT(onSave()) );
new Gui::AutoShortcut( tr("CTRL+R"), this, this, SLOT(onRun()) );
new Gui::AutoShortcut( tr("CTRL+SHIFT+R"), this, this, SLOT(onRun2()) );
new Gui::AutoShortcut( tr("CTRL+T"), this, this, SLOT(onParse()) );
}
void LjEditor::onParse()
{
ENABLED_IF(true);
compile();
}
void LjEditor::onRun()
{
ENABLED_IF(true);
compile();
#ifndef USE_LJBC_GEN
d_lua->addSourceLib( d_luaCode, d_moduleName );
//d_lua->executeCmd( d_luaCode, d_edit->getPath().toUtf8() );
#else
// d_lua->addSourceLib( d_luaBc, d_moduleName );
d_lua->executeCmd( d_luaBc, d_edit->getPath().toUtf8() );
#endif
}
void LjEditor::onRun2()
{
ENABLED_IF(true);
compile();
#ifndef USE_LJBC_GEN
QDir dir( QStandardPaths::writableLocation(QStandardPaths::TempLocation) );
const QString path = dir.absoluteFilePath(QDateTime::currentDateTime().toString("yyMMddhhmmsszzz")+".bc");
d_lua->saveBinary(d_luaCode, d_edit->getPath().toUtf8(),path.toUtf8());
JitBytecode bc;
if( bc.parse(path) )
d_eng->run( &bc );
dir.remove(path);
#else
QBuffer buf( &d_luaBc );
buf.open(QIODevice::ReadOnly);
JitBytecode bc;
if( bc.parse(&buf,d_moduleName) )
d_eng->run( &bc );
#endif
}
void LjEditor::onNew()
{
ENABLED_IF(true);
if( !checkSaved( tr("New File")) )
return;
d_edit->newFile();
onCaption();
}
void LjEditor::onOpen()
{
ENABLED_IF( true );
if( !checkSaved( tr("New File")) )
return;
const QString fileName = QFileDialog::getOpenFileName(this, tr("Open File"),QString(),
tr("Oberon Files (*.Mod *.obn)") );
if (fileName.isEmpty())
return;
QDir::setCurrent(QFileInfo(fileName).absolutePath());
d_edit->loadFromFile(fileName);
onCaption();
compile();
}
void LjEditor::onSave()
{
ENABLED_IF( d_edit->isModified() );
if( !d_edit->getPath().isEmpty() )
d_edit->saveToFile( d_edit->getPath() );
else
onSaveAs();
}
void LjEditor::onSaveAs()
{
ENABLED_IF(true);
QString fileName = QFileDialog::getSaveFileName(this, tr("Save File"),
QFileInfo(d_edit->getPath()).absolutePath(),
tr("Oberon Files (*.Mod *.obn)") );
if (fileName.isEmpty())
return;
QDir::setCurrent(QFileInfo(fileName).absolutePath());
if( !fileName.endsWith(".Mod",Qt::CaseInsensitive ) && !fileName.endsWith(".obn",Qt::CaseInsensitive ) )
fileName += ".Mod";
d_edit->saveToFile(fileName);
onCaption();
}
void LjEditor::onCaption()
{
if( d_edit->getPath().isEmpty() )
{
setWindowTitle(tr("<unnamed> - %1").arg(qApp->applicationName()));
}else
{
QFileInfo info(d_edit->getPath());
QString star = d_edit->isModified() ? "*" : "";
setWindowTitle(tr("%1%2 - %3").arg(info.fileName()).arg(star).arg(qApp->applicationName()) );
}
}
void LjEditor::onGotoLnr(quint32 lnr)
{
if( d_lock )
return;
d_lock = true;
if( RowCol::isPacked(lnr) )
d_edit->setCursorPosition(RowCol::unpackRow(lnr)-1,RowCol::unpackCol(lnr)-1);
else
d_edit->setCursorPosition(lnr-1,0);
d_lock = false;
}
void LjEditor::onFullScreen()
{
CHECKED_IF(true,isFullScreen());
QSettings s;
if( isFullScreen() )
{
showMaximized();
s.setValue("Fullscreen", false );
}else
{
showFullScreen();
s.setValue("Fullscreen", true );
}
}
void LjEditor::onCursor()
{
if( d_lock )
return;
d_lock = true;
QTextCursor cur = d_edit->textCursor();
const int line = cur.blockNumber() + 1;
d_bcv->gotoLine(RowCol(line,cur.positionInBlock() + 1).packed());
d_lock = false;
}
void LjEditor::onExportBc()
{
ENABLED_IF(true);
QString fileName = QFileDialog::getSaveFileName(this, tr("Save Binary"),
d_edit->getPath(),
tr("*.ljbc") );
if (fileName.isEmpty())
return;
QDir::setCurrent(QFileInfo(fileName).absolutePath());
if( !fileName.endsWith(".ljbc",Qt::CaseInsensitive ) )
fileName += ".ljbc";
#ifndef USE_LJBC_GEN
d_lua->saveBinary(d_edit->toPlainText().toUtf8(), d_edit->getPath().toUtf8(),fileName.toUtf8());
#else
QFile out(fileName);
out.open(QIODevice::WriteOnly);
out.write(d_luaBc);
#endif
}
void LjEditor::onExportAsm()
{
ENABLED_IF(true);
if( d_bcv->topLevelItemCount() == 0 )
onParse();
if( d_bcv->topLevelItemCount() == 0 )
return;
QString fileName = QFileDialog::getSaveFileName(this, tr("Save Assembler"),
d_edit->getPath(),
tr("*.ljasm") );
if (fileName.isEmpty())
return;
QDir::setCurrent(QFileInfo(fileName).absolutePath());
if( !fileName.endsWith(".ljasm",Qt::CaseInsensitive ) )
fileName += ".ljasm";
d_bcv->saveTo(fileName);
}
void LjEditor::onExportLua()
{
ENABLED_IF(!d_luaCode.isEmpty());
QString fileName = QFileDialog::getSaveFileName(this, tr("Save Lua Source"),
d_edit->getPath(),
tr("*.lua") );
if (fileName.isEmpty())
return;
QDir::setCurrent(QFileInfo(fileName).absolutePath());
if( !fileName.endsWith(".lua",Qt::CaseInsensitive ) )
fileName += ".lua";
QFile out(fileName);
if( !out.open(QIODevice::WriteOnly) )
qCritical() << "cannot write to" << fileName;
else
out.write( d_luaCode );
}
bool LjEditor::checkSaved(const QString& title)
{
if( d_edit->isModified() )
{
switch( QMessageBox::critical( this, title, tr("The file has not been saved; do you want to save it?"),
QMessageBox::Yes | QMessageBox::No | QMessageBox::Cancel, QMessageBox::Yes ) )
{
case QMessageBox::Yes:
if( !d_edit->getPath().isEmpty() )
return d_edit->saveToFile(d_edit->getPath());
else
{
const QString path = QFileDialog::getSaveFileName( this, title, QString(), "Oberon Files (*.Mod *.obn)" );
if( path.isEmpty() )
return false;
QDir::setCurrent(QFileInfo(path).absolutePath());
return d_edit->saveToFile(path);
}
break;
case QMessageBox::No:
return true;
default:
return false;
}
}
return true;
}
void LjEditor::compile()
{
return; // TODO
QString path = d_edit->getPath();
if( path.isEmpty() )
path = "<unnamed>";
if( d_useGen == Gen2 )
{
Ast::Model mdl;
mdl.setSenseExt(true);
mdl.getFc()->addFile(path,d_edit->toPlainText().toUtf8() );
mdl.getErrs()->setReportToConsole(true);
preloadLib(mdl,"In");
preloadLib(mdl,"Out");
preloadLib(mdl,"Files");
preloadLib(mdl,"Input");
preloadLib(mdl,"Math");
preloadLib(mdl,"Strings");
preloadLib(mdl,"Coroutines");
preloadLib(mdl,"XYPlane");
mdl.parseFiles(QStringList() << path );
if( mdl.getErrs()->getErrCount() != 0 )
return;
Ast::Model::Modules mods = mdl.getModules();
Ast::Module* mod = 0;
for( int i = 0; i < mods.size(); i++ )
{
if( mods[i]->d_file == path )
{
mod = mods[i].data();
break;
}
}
Q_ASSERT( mod != 0 );
d_hl->setEnableExt(mod->d_useExt);
d_moduleName = mod->d_name;
QBuffer buf;
buf.open(QIODevice::WriteOnly);
#ifndef USE_LJBC_GEN
Ob::LuaGen2::translate(mod, &buf);
buf.close();
d_luaCode = buf.buffer();
toByteCode();
#else
Ob::LjbcGen::translate(mod, &buf);
buf.close();
d_luaBc = buf.buffer();
d_luaCode.clear();
buf.open(QIODevice::ReadOnly);
d_bcv->loadFrom(&buf);
#endif
#if 0
QTextStream out( stdout );
Ast::Eval::render( out, mod );
#endif
}else
{
CodeModel mdl;
mdl.setSenseExt(true);
mdl.setSynthesize(false);
mdl.setTrackIds(false);
mdl.getFc()->addFile(path,d_edit->toPlainText().toUtf8() );
mdl.parseFiles( QStringList() << path );
if( mdl.getErrs()->getErrCount() != 0 )
return;
Q_ASSERT( mdl.getGlobalScope().d_mods.size() == 1 );
const CodeModel::Module* m = mdl.getGlobalScope().d_mods.first();
d_hl->setEnableExt(m->d_isExt);
d_moduleName = m->d_name;
LuaGen gen(&mdl);
d_luaCode = gen.emitModule(m);
toByteCode();
}
}
void LjEditor::toByteCode()
{
if( !d_luaCode.isEmpty() )
{
if( d_lua->pushFunction(d_luaCode) )
{
QByteArray code = Engine2::getBinaryFromFunc( d_lua->getCtx() );
d_lua->pop();
QBuffer buf(&code);
buf.open(QIODevice::ReadOnly);
d_bcv->loadFrom(&buf);
}
}else
d_bcv->clear();
}
int main(int argc, char *argv[])
{
QApplication a(argc, argv);
a.setOrganizationName("[email protected]");
a.setOrganizationDomain("github.com/rochus-keller/Oberon");
a.setApplicationName("ObnLjEditor");
a.setApplicationVersion("0.6.0");
a.setStyle("Fusion");
LjEditor w;
if( a.arguments().size() > 1 )
w.loadFile(a.arguments()[1] );
return a.exec();
}