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TApplication.cxx
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1// @(#)root/base:$Id$
2// Author: Fons Rademakers 22/12/95
3
4/*************************************************************************
5 * Copyright (C) 1995-2000, Rene Brun and Fons Rademakers. *
6 * All rights reserved. *
7 * *
8 * For the licensing terms see $ROOTSYS/LICENSE. *
9 * For the list of contributors see $ROOTSYS/README/CREDITS. *
10 *************************************************************************/
11
12/** \class TApplication
13\ingroup Base
14
15This class creates the ROOT Application Environment that interfaces
16to the windowing system eventloop and eventhandlers.
17This class must be instantiated exactly once in any given
18application. Normally the specific application class inherits from
19TApplication (see TRint).
20*/
21
22#include "RConfigure.h"
23#include "TApplication.h"
24#include "TException.h"
25#include "TGuiFactory.h"
26#include "TVirtualX.h"
27#include "TROOT.h"
28#include "TSystem.h"
29#include "TString.h"
30#include "TError.h"
31#include "TObjArray.h"
32#include "TObjString.h"
33#include "TTimer.h"
34#include "TInterpreter.h"
35#include "TStyle.h"
36#include "TVirtualPad.h"
37#include "TEnv.h"
38#include "TColor.h"
39#include "TPluginManager.h"
40#include "TClassTable.h"
41#include "TBrowser.h"
42#include "TUrl.h"
43#include "TVirtualMutex.h"
44#include "TClassEdit.h"
45#include "TMethod.h"
46#include "TDataMember.h"
47#include "TApplicationCommandLineOptionsHelp.h"
48#include "TPRegexp.h"
49#include <cstdlib>
50#include <iostream>
51#include <fstream>
52
56TList *TApplication::fgApplications = nullptr; // List of available applications
57
58////////////////////////////////////////////////////////////////////////////////
59
60class TIdleTimer : public TTimer {
61public:
63 Bool_t Notify() override;
64};
65
66////////////////////////////////////////////////////////////////////////////////
67/// Notify handler.
68
70{
72 Reset();
73 return kFALSE;
74}
75
76
78
80{
81 // Insure that the files, canvases and sockets are closed.
82
83 // If we get here, the tear down has started. We have no way to know what
84 // has or has not yet been done. In particular on Ubuntu, this was called
85 // after the function static in TSystem.cxx has been destructed. So we
86 // set gROOT in its end-of-life mode which prevents executing code, like
87 // autoloading libraries (!) that is pointless ...
88 if (gROOT) {
89 gROOT->SetBit(kInvalidObject);
90 gROOT->EndOfProcessCleanups();
91 }
92}
93
94////////////////////////////////////////////////////////////////////////////////
95/// Default ctor. Can be used by classes deriving from TApplication.
96
98 fArgc(0), fArgv(nullptr), fAppImp(nullptr), fIsRunning(kFALSE), fReturnFromRun(kFALSE),
99 fNoLog(kFALSE), fNoLogo(kFALSE), fQuit(kFALSE),
100 fFiles(nullptr), fIdleTimer(nullptr), fSigHandler(nullptr), fExitOnException(kDontExit),
101 fAppRemote(nullptr)
102{
104}
105
106////////////////////////////////////////////////////////////////////////////////
107/// Create an application environment. The application environment
108/// provides an interface to the graphics system and eventloop
109/// (be it X, Windows, macOS or BeOS). After creating the application
110/// object start the eventloop by calling its Run() method. The command
111/// line options recognized by TApplication are described in the GetOptions()
112/// method. The recognized options are removed from the argument array.
113/// The original list of argument options can be retrieved via the Argc()
114/// and Argv() methods. The appClassName "proofserv" is reserved for the
115/// PROOF system. The "options" and "numOptions" arguments are not used,
116/// except if you want to by-pass the argv processing by GetOptions()
117/// in which case you should specify numOptions<0. All options will
118/// still be available via the Argv() method for later use.
119
120TApplication::TApplication(const char *appClassName, Int_t *argc, char **argv,
121 void * /*options*/, Int_t numOptions) :
122 fArgc(0), fArgv(nullptr), fAppImp(nullptr), fIsRunning(kFALSE), fReturnFromRun(kFALSE),
123 fNoLog(kFALSE), fNoLogo(kFALSE), fQuit(kFALSE),
124 fFiles(nullptr), fIdleTimer(nullptr), fSigHandler(nullptr), fExitOnException(kDontExit),
125 fAppRemote(nullptr)
126{
128
129 // Create the list of applications the first time
130 if (!fgApplications)
131 fgApplications = new TList;
132
133 // Add the new TApplication early, so that the destructor of the
134 // default TApplication (if it is called in the block of code below)
135 // will not destroy the files, socket or TColor that have already been
136 // created.
137 fgApplications->Add(this);
138
140 // allow default TApplication to be replaced by a "real" TApplication
141 delete gApplication;
142 gApplication = nullptr;
143 gROOT->SetBatch(kFALSE);
145 }
146
147 if (gApplication) {
148 Error("TApplication", "only one instance of TApplication allowed");
149 fgApplications->Remove(this);
150 return;
151 }
152
153 if (!gROOT)
154 ::Fatal("TApplication::TApplication", "ROOT system not initialized");
155
156 if (!gSystem)
157 ::Fatal("TApplication::TApplication", "gSystem not initialized");
158
159 static Bool_t hasRegisterAtExit(kFALSE);
160 if (!hasRegisterAtExit) {
161 // If we are the first TApplication register the atexit)
163 hasRegisterAtExit = kTRUE;
164 }
165 gROOT->SetName(appClassName);
166
167 // copy command line arguments, can be later accessed via Argc() and Argv()
168 if (argc && *argc > 0) {
169 fArgc = *argc;
170 fArgv = (char **)new char*[fArgc];
171 }
172
173 for (int i = 0; i < fArgc; i++)
174 fArgv[i] = StrDup(argv[i]);
175
176 if (numOptions >= 0)
177 GetOptions(argc, argv);
178
179 if (fArgv)
181
182 // Tell TSystem the TApplication has been created
184
185 fAppImp = gGuiFactory->CreateApplicationImp(appClassName, argc, argv);
187
188 // Initialize the graphics environment
189 if (gClassTable->GetDict("TPad")) {
191 InitializeGraphics(gROOT->IsWebDisplay());
192 }
193
194 // Save current interpreter context
195 gInterpreter->SaveContext();
196 gInterpreter->SaveGlobalsContext();
197
198 // to allow user to interact with TCanvas's under WIN32
199 gROOT->SetLineHasBeenProcessed();
200
201 //Needs to be done last
202 gApplication = this;
203 gROOT->SetApplication(this);
204
205}
206
207////////////////////////////////////////////////////////////////////////////////
208/// TApplication dtor.
209
211{
212 for (int i = 0; i < fArgc; i++)
213 if (fArgv[i]) delete [] fArgv[i];
214 delete [] fArgv;
215
216 if (fgApplications)
217 fgApplications->Remove(this);
218
219 // Reduce the risk of the files or sockets being closed after the
220 // end of 'main' (or more exactly before the library start being
221 // unloaded).
222 if (fgApplications == nullptr || fgApplications->FirstLink() == nullptr ) {
224 }
225
226 // Now that all the canvases and files have been closed we can
227 // delete the implementation.
229}
230
231////////////////////////////////////////////////////////////////////////////////
232/// Static method. This method should be called from static library
233/// initializers if the library needs the low level graphics system.
234
236{
238}
239
240////////////////////////////////////////////////////////////////////////////////
241/// Initialize the graphics environment.
242/// If @param only_web is specified, only web-related part of graphics is loaded
243
245{
247 return;
248
249 if (!only_web) {
250 // Load the graphics related libraries
252
253 // Try to load TrueType font renderer. Only try to load if not in batch
254 // mode and Root.UseTTFonts is true and Root.TTFontPath exists. Abort silently
255 // if libttf or libGX11TTF are not found in $ROOTSYS/lib or $ROOTSYS/ttf/lib.
256 const char *ttpath = gEnv->GetValue("Root.TTFontPath",
258 char *ttfont = gSystem->Which(ttpath, "arialbd.ttf", kReadPermission);
259 // Check for use of DFSG - fonts
260 if (!ttfont)
261 ttfont = gSystem->Which(ttpath, "FreeSansBold.ttf", kReadPermission);
262
263 #if !defined(R__WIN32)
264 if (!gROOT->IsBatch() && !strcmp(gVirtualX->GetName(), "X11") &&
265 ttfont && gEnv->GetValue("Root.UseTTFonts", 1)) {
266 if (gClassTable->GetDict("TGX11TTF")) {
267 // in principle we should not have linked anything against libGX11TTF
268 // but with ACLiC this can happen, initialize TGX11TTF by hand
269 // (normally this is done by the static library initializer)
270 ProcessLine("TGX11TTF::Activate();");
271 } else {
273 if ((h = gROOT->GetPluginManager()->FindHandler("TVirtualX", "x11ttf")))
274 if (h->LoadPlugin() == -1)
275 Info("InitializeGraphics", "no TTF support");
276 }
277 }
278 #endif
279 delete [] ttfont;
280 }
281
282 if (!only_web || !fAppImp) {
283 // Create WM dependent application environment
284 if (fAppImp)
285 delete fAppImp;
287 if (!fAppImp) {
288 MakeBatch();
290 }
291 }
292
293 // Create the canvas colors early so they are allocated before
294 // any color table expensive bitmaps get allocated in GUI routines (like
295 // creation of XPM bitmaps).
297
298 // Hook for further initializing the WM dependent application environment
299 Init();
300
301 // Set default screen factor (if not disabled in rc file)
302 if (!only_web && gEnv->GetValue("Canvas.UseScreenFactor", 1)) {
303 Int_t x, y;
304 UInt_t w, h;
305 if (gVirtualX) {
306 gVirtualX->GetGeometry(-1, x, y, w, h);
307 if (h > 0)
308 gStyle->SetScreenFactor(0.001 * h);
309 }
310 }
311}
312
313////////////////////////////////////////////////////////////////////////////////
314/// Clear list containing macro files passed as program arguments.
315/// This method is called from TRint::Run() to ensure that the macro
316/// files are only executed the first time Run() is called.
317
319{
320 if (fFiles) {
321 fFiles->Delete();
323 }
324}
325
326////////////////////////////////////////////////////////////////////////////////
327/// Return specified argument.
328
330{
331 if (fArgv) {
332 if (index >= fArgc) {
333 Error("Argv", "index (%d) >= number of arguments (%d)", index, fArgc);
334 return nullptr;
335 }
336 return fArgv[index];
337 }
338 return nullptr;
339}
340
341////////////////////////////////////////////////////////////////////////////////
342/// Get and handle command line options. Arguments handled are removed
343/// from the argument array. See CommandLineOptionsHelp.h for options.
344
345void TApplication::GetOptions(Int_t *argc, char **argv)
346{
347 static char null[1] = { "" };
348
349 fNoLog = kFALSE;
350 fQuit = kFALSE;
351 fFiles = nullptr;
352
353 if (!argc)
354 return;
355
356 int i, j;
357 TString pwd;
358
359 for (i = 1; i < *argc; i++) {
360 if (!strcmp(argv[i], "-?") || !strncmp(argv[i], "-h", 2) ||
361 !strncmp(argv[i], "--help", 6)) {
362 fprintf(stderr, kCommandLineOptionsHelp);
363 Terminate(0);
364 } else if (!strncmp(argv[i], "--version", 9)) {
365 fprintf(stderr, "ROOT Version: %s\n", gROOT->GetVersion());
366 fprintf(stderr, "Built for %s on %s\n",
368 gROOT->GetGitDate());
369
370 fprintf(stderr, "From %s@%s\n",
371 gROOT->GetGitBranch(),
372 gROOT->GetGitCommit());
373
374 Terminate(0);
375 } else if (!strcmp(argv[i], "-config")) {
376 fprintf(stderr, "ROOT ./configure options:\n%s\n", gROOT->GetConfigOptions());
377 Terminate(0);
378 } else if (!strcmp(argv[i], "-a")) {
379 fprintf(stderr, "ROOT splash screen is not visible with root.exe, use root instead.\n");
380 Terminate(0);
381 } else if (!strcmp(argv[i], "-b")) {
382 MakeBatch();
383 argv[i] = null;
384 } else if (!strcmp(argv[i], "-n")) {
385 fNoLog = kTRUE;
386 argv[i] = null;
387 } else if (!strcmp(argv[i], "-t")) {
389 // EnableImplicitMT() only enables thread safety if IMT was configured;
390 // enable thread safety even with IMT off:
392 argv[i] = null;
393 } else if (!strcmp(argv[i], "-q")) {
394 fQuit = kTRUE;
395 argv[i] = null;
396 } else if (!strcmp(argv[i], "-l")) {
397 // used by front-end program to not display splash screen
398 fNoLogo = kTRUE;
399 argv[i] = null;
400 } else if (!strcmp(argv[i], "-x")) {
402 argv[i] = null;
403 } else if (!strcmp(argv[i], "-splash")) {
404 // used when started by front-end program to signal that
405 // splash screen can be popped down (TRint::PrintLogo())
406 argv[i] = null;
407 } else if (strncmp(argv[i], "--web", 5) == 0) {
408 // the web mode is requested
409 const char *opt = argv[i] + 5;
410 argv[i] = null;
411 gROOT->SetWebDisplay((*opt == '=') ? opt + 1 : "");
412 } else if (!strcmp(argv[i], "-e")) {
413 argv[i] = null;
414 ++i;
415
416 if ( i < *argc ) {
417 if (!fFiles) fFiles = new TObjArray;
418 TObjString *expr = new TObjString(argv[i]);
419 expr->SetBit(kExpression);
420 fFiles->Add(expr);
421 argv[i] = null;
422 } else {
423 Warning("GetOptions", "-e must be followed by an expression.");
424 }
425 } else if (!strcmp(argv[i], "--")) {
426 TObjString* macro = nullptr;
427 bool warnShown = false;
428
429 if (fFiles) {
430 for (auto f: *fFiles) {
431 TObjString *file = dynamic_cast<TObjString *>(f);
432 if (!file) {
433 if (!dynamic_cast<TNamed*>(f)) {
434 Error("GetOptions()", "Inconsistent file entry (not a TObjString)!");
435 if (f)
436 f->Dump();
437 } // else we did not find the file.
438 continue;
439 }
440
441 if (file->TestBit(kExpression))
442 continue;
443 if (file->String().EndsWith(".root"))
444 continue;
445 if (file->String().Contains('('))
446 continue;
447
448 if (macro && !warnShown && (warnShown = true))
449 Warning("GetOptions", "-- is used with several macros. "
450 "The arguments will be passed to the last one.");
451
452 macro = file;
453 }
454 }
455
456 if (macro) {
457 argv[i] = null;
458 ++i;
459 TString& str = macro->String();
460
461 str += '(';
462 for (; i < *argc; i++) {
463 str += argv[i];
464 str += ',';
465 argv[i] = null;
466 }
467 str.EndsWith(",") ? str[str.Length() - 1] = ')' : str += ')';
468 } else {
469 Warning("GetOptions", "no macro to pass arguments to was provided. "
470 "Everything after the -- will be ignored.");
471 for (; i < *argc; i++)
472 argv[i] = null;
473 }
474 } else if (argv[i][0] != '-' && argv[i][0] != '+') {
476 Long_t id, flags, modtime;
477 char *arg = strchr(argv[i], '(');
478 if (arg) *arg = '\0';
479 TString expandedDir(argv[i]);
480 if (gSystem->ExpandPathName(expandedDir)) {
481 // ROOT-9959: we do not continue if we could not expand the path
482 continue;
483 }
484 TUrl udir(expandedDir, kTRUE);
485 // remove options and anchor to check the path
486 TString sfx = udir.GetFileAndOptions();
487 TString fln = udir.GetFile();
488 sfx.Replace(sfx.Index(fln), fln.Length(), "");
489 TString path = udir.GetFile();
490 if (strcmp(udir.GetProtocol(), "file")) {
491 path = udir.GetUrl();
492 path.Replace(path.Index(sfx), sfx.Length(), "");
493 }
494 // 'path' is the full URL without suffices (options and/or anchor)
495 if (arg) *arg = '(';
496 if (!arg && !gSystem->GetPathInfo(path.Data(), &id, &size, &flags, &modtime)) {
497 if ((flags & 2)) {
498 // if directory set it in fWorkDir
499 if (pwd == "") {
500 pwd = gSystem->WorkingDirectory();
501 fWorkDir = expandedDir;
502 gSystem->ChangeDirectory(expandedDir);
503 argv[i] = null;
504 } else if (!strcmp(gROOT->GetName(), "Rint")) {
505 Warning("GetOptions", "only one directory argument can be specified (%s)", expandedDir.Data());
506 }
507 } else if (size > 0) {
508 // if file add to list of files to be processed
509 if (!fFiles) fFiles = new TObjArray;
510 fFiles->Add(new TObjString(path.Data()));
511 argv[i] = null;
512 } else {
513 Warning("GetOptions", "file %s has size 0, skipping", expandedDir.Data());
514 }
515 } else {
516 if (TString(udir.GetFile()).EndsWith(".root")) {
517 if (!strcmp(udir.GetProtocol(), "file")) {
518 // file ending on .root but does not exist, likely a typo
519 // warn user if plain root...
520 if (!strcmp(gROOT->GetName(), "Rint"))
521 Warning("GetOptions", "file %s not found", expandedDir.Data());
522 } else {
523 // remote file, give it the benefit of the doubt and add it to list of files
524 if (!fFiles) fFiles = new TObjArray;
525 fFiles->Add(new TObjString(argv[i]));
526 argv[i] = null;
527 }
528 } else {
529 TString mode,fargs,io;
530 TString fname = gSystem->SplitAclicMode(expandedDir,mode,fargs,io);
531 char *mac;
532 if (!fFiles) fFiles = new TObjArray;
533 if ((mac = gSystem->Which(TROOT::GetMacroPath(), fname,
534 kReadPermission))) {
535 // if file add to list of files to be processed
536 fFiles->Add(new TObjString(argv[i]));
537 argv[i] = null;
538 delete [] mac;
539 } else {
540 // if file add an invalid entry to list of files to be processed
541 fFiles->Add(new TNamed("NOT FOUND!", argv[i]));
542 // only warn if we're plain root,
543 // other progs might have their own params
544 if (!strcmp(gROOT->GetName(), "Rint")) {
545 Error("GetOptions", "macro %s not found", fname.Data());
546 // Return 2 as the Python interpreter does in case the macro
547 // is not found.
548 Terminate(2);
549 }
550 }
551 }
552 }
553 }
554 // ignore unknown options
555 }
556
557 // go back to startup directory
558 if (pwd != "")
560
561 // remove handled arguments from argument array
562 j = 0;
563 for (i = 0; i < *argc; i++) {
564 if (strcmp(argv[i], "")) {
565 argv[j] = argv[i];
566 j++;
567 }
568 }
569
570 *argc = j;
571}
572
573////////////////////////////////////////////////////////////////////////////////
574/// Handle idle timeout. When this timer expires the registered idle command
575/// will be executed by this routine and a signal will be emitted.
576
578{
579 if (!fIdleCommand.IsNull())
581
582 Emit("HandleIdleTimer()");
583}
584
585////////////////////////////////////////////////////////////////////////////////
586/// Handle exceptions (kSigBus, kSigSegmentationViolation,
587/// kSigIllegalInstruction and kSigFloatingException) trapped in TSystem.
588/// Specific TApplication implementations may want something different here.
589
591{
592 if (TROOT::Initialized()) {
593 if (gException) {
594 gInterpreter->RewindDictionary();
595 gInterpreter->ClearFileBusy();
596 }
597 if (fExitOnException == kExit)
598 gSystem->Exit(128 + sig);
599 else if (fExitOnException == kAbort)
600 gSystem->Abort();
601 else
602 Throw(sig);
603 }
604 gSystem->Exit(128 + sig);
605}
606
607////////////////////////////////////////////////////////////////////////////////
608/// Set the exit on exception option. Setting this option determines what
609/// happens in HandleException() in case an exception (kSigBus,
610/// kSigSegmentationViolation, kSigIllegalInstruction or kSigFloatingException)
611/// is trapped. Choices are: kDontExit (default), kExit or kAbort.
612/// Returns the previous value.
613
615{
617 fExitOnException = opt;
618 return old;
619}
620
621/////////////////////////////////////////////////////////////////////////////////
622/// The function generates and executes a command that loads the Doxygen URL in
623/// a browser. It works for Mac, Windows and Linux. In the case of Linux, the
624/// function also checks if the DISPLAY is set. If it isn't, a warning message
625/// and the URL will be displayed on the terminal.
626///
627/// \param[in] url web page to be displayed in a browser
628
630{
631 // We check what operating system the user has.
632#ifdef R__MACOSX
633 // Command for opening a browser on Mac.
634 TString cMac("open ");
635 // We generate the full command and execute it.
636 cMac.Append(url);
637 gSystem->Exec(cMac);
638#elif defined(R__WIN32)
639 // Command for opening a browser on Windows.
640 TString cWindows("start \"\" ");
641 cWindows.Append(url);
642 gSystem->Exec(cWindows);
643#else
644 // Command for opening a browser in Linux.
645 TString cLinux("xdg-open ");
646 // For Linux we check if the DISPLAY is set.
647 if (gSystem->Getenv("DISPLAY")) {
648 // If the DISPLAY is set it will open the browser.
649 cLinux.Append(url);
650 gSystem->Exec(cLinux);
651 } else {
652 // Else the user will have a warning and the URL in the terminal.
653 Warning("OpenInBrowser", "The $DISPLAY is not set! Please open (e.g. Ctrl-click) %s\n", url.Data());
654 return;
655 }
656#endif
657 Info("OpenInBrowser", "A new tab should have opened in your browser.");
658}
659
660namespace {
661enum EUrl { kURLforClass, kURLforNameSpace, kURLforStruct };
662////////////////////////////////////////////////////////////////////////////////
663/// The function generates a URL address for class or namespace (scopeName).
664/// This is the URL to the online reference guide, generated by Doxygen.
665/// With the enumeration "EUrl" we pick which case we need - the one for
666/// class (kURLforClass) or the one for namespace (kURLforNameSpace).
667///
668/// \param[in] scopeName the name of the class or the namespace
669/// \param[in] scopeType the enumerator for class or namespace
670
671static TString UrlGenerator(TString scopeName, EUrl scopeType)
672{
673 // We start the URL with a static part, the same for all scopes and members.
674 TString url = "https://root.cern/doc/";
675 // Then we check the ROOT version used.
676 TPRegexp re4(R"(.*/(v\d)-(\d\d)-00-patches)");
677 const char *branchName = gROOT->GetGitBranch();
678 TObjArray *objarr = re4.MatchS(branchName);
679 TString version;
680 // We extract the correct version name for the URL.
681 if (objarr && objarr->GetEntries() == 3) {
682 // We have a valid version of ROOT and we will extract the correct name for the URL.
683 version = ((TObjString *)objarr->At(1))->GetString() + ((TObjString *)objarr->At(2))->GetString();
684 } else {
685 // If it's not a supported version, we will go to "master" branch.
686 version = "master";
687 }
688 delete objarr;
689 url.Append(version);
690 url.Append("/");
691 // We will replace all "::" with "_1_1" and all "_" with "__" in the
692 // classes definitions, due to Doxygen syntax requirements.
693 scopeName.ReplaceAll("_", "__");
694 scopeName.ReplaceAll("::", "_1_1");
695 // We build the URL for the correct scope type and name.
696 if (scopeType == kURLforClass) {
697 url.Append("class");
698 } else if (scopeType == kURLforStruct) {
699 url.Append("struct");
700 } else {
701 url.Append("namespace");
702 }
703 url.Append(scopeName);
704 url.Append(".html");
705 return url;
706}
707} // namespace
708
709namespace {
710////////////////////////////////////////////////////////////////////////////////
711/// The function returns a TString with the arguments of a method from the
712/// scope (scopeName), but modified with respect to Doxygen syntax - spacing
713/// around special symbols and adding the missing scopes ("std::").
714/// "FormatMethodArgsForDoxygen" works for functions defined inside namespaces
715/// as well. We avoid looking up twice for the TFunction by passing "func".
716///
717/// \param[in] scopeName the name of the class/namespace/struct
718/// \param[in] func pointer to the method
719
720static TString FormatMethodArgsForDoxygen(const TString &scopeName, TFunction *func)
721{
722 // With "GetSignature" we get the arguments of the method and put them in a TString.
723 TString methodArguments = func->GetSignature();
724 // "methodArguments" is modified with respect of Doxygen requirements.
725 methodArguments.ReplaceAll(" = ", "=");
726 methodArguments.ReplaceAll("* ", " *");
727 methodArguments.ReplaceAll("*=", " *=");
728 methodArguments.ReplaceAll("*)", " *)");
729 methodArguments.ReplaceAll("*,", " *,");
730 methodArguments.ReplaceAll("*& ", " *&");
731 methodArguments.ReplaceAll("& ", " &");
732 // TODO: prepend "std::" to all stdlib classes!
733 methodArguments.ReplaceAll("ostream", "std::ostream");
734 methodArguments.ReplaceAll("istream", "std::istream");
735 methodArguments.ReplaceAll("map", "std::map");
736 methodArguments.ReplaceAll("vector", "std::vector");
737 // We need to replace the "currentClass::foo" with "foo" in the arguments.
738 // TODO: protect the global functions.
739 TString scopeNameRE("\\b");
740 scopeNameRE.Append(scopeName);
741 scopeNameRE.Append("::\\b");
742 TPRegexp argFix(scopeNameRE);
743 argFix.Substitute(methodArguments, "");
744 return methodArguments;
745}
746} // namespace
747
748namespace {
749////////////////////////////////////////////////////////////////////////////////
750/// The function returns a TString with the text as an encoded url so that it
751/// can be passed to the function OpenInBrowser
752///
753/// \param[in] text the input text
754/// \return the text appropriately escaped
755
756static TString FormatHttpUrl(TString text)
757{
758 text.ReplaceAll("\n","%0A");
759 text.ReplaceAll("#","%23");
760 text.ReplaceAll(";","%3B");
761 text.ReplaceAll("\"","%22");
762 text.ReplaceAll("`","%60");
763 text.ReplaceAll("+","%2B");
764 text.ReplaceAll("/","%2F");
765 return text;
766}
767} // namespace
768
769namespace {
770////////////////////////////////////////////////////////////////////////////////
771/// The function checks if a member function of a scope is defined as inline.
772/// If so, it also checks if it is virtual. Then the return type of "func" is
773/// modified for the need of Doxygen and with respect to the function
774/// definition. We pass pointer to the method (func) to not re-do the
775/// TFunction lookup.
776///
777/// \param[in] scopeName the name of the class/namespace/struct
778/// \param[in] func pointer to the method
779
780static TString FormatReturnTypeForDoxygen(const TString &scopeName, TFunction *func)
781{
782 // We put the return type of "func" in a TString "returnType".
783 TString returnType = func->GetReturnTypeName();
784 // If the return type is a type nested in the current class, it will appear scoped (Class::Enumeration).
785 // Below we make sure to remove the current class, because the syntax of Doxygen requires it.
786 TString scopeNameRE("\\b");
787 scopeNameRE.Append(scopeName);
788 scopeNameRE.Append("::\\b");
789 TPRegexp returnFix(scopeNameRE);
790 returnFix.Substitute(returnType, "");
791 // We check is if the method is defined as inline.
792 if (func->ExtraProperty() & kIsInlined) {
793 // We check if the function is defined as virtual.
794 if (func->Property() & kIsVirtual) {
795 // If the function is virtual, we append "virtual" before the return type.
796 returnType.Prepend("virtual ");
797 }
798 returnType.ReplaceAll(" *", "*");
799 } else {
800 // If the function is not inline we only change the spacing in "returnType"
801 returnType.ReplaceAll("*", " *");
802 }
803 // In any case (with no respect to virtual/inline check) we need to change
804 // the return type as following.
805 // TODO: prepend "std::" to all stdlib classes!
806 returnType.ReplaceAll("istream", "std::istream");
807 returnType.ReplaceAll("ostream", "std::ostream");
808 returnType.ReplaceAll("map", "std::map");
809 returnType.ReplaceAll("vector", "std::vector");
810 returnType.ReplaceAll("&", " &");
811 return returnType;
812}
813} // namespace
814
815namespace {
816////////////////////////////////////////////////////////////////////////////////
817/// The function generates a URL for "dataMemberName" defined in "scopeName".
818/// It returns a TString with the URL used in the online reference guide,
819/// generated with Doxygen. For data members the URL consist of 2 parts -
820/// URL for "scopeName" and a part for "dataMemberName".
821/// For enumerator, the URL could be separated into 3 parts - URL for
822/// "scopeName", part for the enumeration and a part for the enumerator.
823///
824/// \param[in] scopeName the name of the class/namespace/struct
825/// \param[in] dataMemberName the name of the data member/enumerator
826/// \param[in] dataMember pointer to the data member/enumerator
827/// \param[in] scopeType enumerator to the scope type
828
829static TString
830GetUrlForDataMember(const TString &scopeName, const TString &dataMemberName, TDataMember *dataMember, EUrl scopeType)
831{
832 // We first check if the data member is not enumerator.
833 if (!dataMember->IsEnum()) {
834 // If we work with data members, we have to append a hashed with MD5 text, consisting of:
835 // "Type ClassName::DataMemberNameDataMemberName(arguments)".
836 // We first get the type of the data member.
837 TString md5DataMember(dataMember->GetFullTypeName());
838 md5DataMember.Append(" ");
839 // We append the scopeName and "::".
840 md5DataMember.Append(scopeName);
841 md5DataMember.Append("::");
842 // We append the dataMemberName twice.
843 md5DataMember.Append(dataMemberName);
844 md5DataMember.Append(dataMemberName);
845 // We call UrlGenerator for the scopeName.
846 TString urlForDataMember = UrlGenerator(scopeName, scopeType);
847 // Then we append "#a" and the hashed text.
848 urlForDataMember.Append("#a");
849 urlForDataMember.Append(md5DataMember.MD5());
850 return urlForDataMember;
851 }
852 // If the data member is enumerator, then we first have to check if the enumeration is anonymous.
853 // Doxygen requires different syntax for anonymous enumeration ("scopeName::@1@1").
854 // We create a TString with the name of the scope and the enumeration from which the enumerator is.
855 TString scopeEnumeration = dataMember->GetTrueTypeName();
856 TString md5EnumClass;
857 if (scopeEnumeration.Contains("(unnamed)")) {
858 // FIXME: need to investigate the numbering scheme.
859 md5EnumClass.Append(scopeName);
860 md5EnumClass.Append("::@1@1");
861 } else {
862 // If the enumeration is not anonymous we put "scopeName::Enumeration" in a TString,
863 // which will be hashed with MD5 later.
864 md5EnumClass.Append(scopeEnumeration);
865 // We extract the part after "::" (this is the enumerator name).
866 TString enumOnlyName = TClassEdit::GetUnqualifiedName(scopeEnumeration);
867 // The syntax is "Class::EnumeratorEnumerator
868 md5EnumClass.Append(enumOnlyName);
869 }
870 // The next part of the URL is hashed "@ scopeName::EnumeratorEnumerator".
871 TString md5Enumerator("@ ");
872 md5Enumerator.Append(scopeName);
873 md5Enumerator.Append("::");
874 md5Enumerator.Append(dataMemberName);
875 md5Enumerator.Append(dataMemberName);
876 // We make the URL for the "scopeName".
877 TString url = UrlGenerator(scopeName, scopeType);
878 // Then we have to append the hashed text for the enumerator.
879 url.Append("#a");
880 url.Append(md5EnumClass.MD5());
881 // We append "a" and then the next hashed text.
882 url.Append("a");
883 url.Append(md5Enumerator.MD5());
884 return url;
885}
886} // namespace
887
888namespace {
889////////////////////////////////////////////////////////////////////////////////
890/// The function generates URL for enumeration. The hashed text consist of:
891/// "Class::EnumerationEnumeration".
892///
893/// \param[in] scopeName the name of the class/namespace/struct
894/// \param[in] enumeration the name of the enumeration
895/// \param[in] scopeType enumerator for class/namespace/struct
896
897static TString GetUrlForEnumeration(TString scopeName, const TString &enumeration, EUrl scopeType)
898{
899 // The URL consists of URL for the "scopeName", "#a" and hashed as MD5 text.
900 // The text is "Class::EnumerationEnumeration.
901 TString md5Enumeration(scopeName);
902 md5Enumeration.Append("::");
903 md5Enumeration.Append(enumeration);
904 md5Enumeration.Append(enumeration);
905 // We make the URL for the scope "scopeName".
906 TString url(UrlGenerator(scopeName, scopeType));
907 // Then we have to append "#a" and the hashed text.
908 url.Append("#a");
909 url.Append(md5Enumeration.MD5());
910 return url;
911}
912} // namespace
913
914namespace {
915enum EMethodKind { kURLforMethod, kURLforStructor };
916////////////////////////////////////////////////////////////////////////////////
917/// The function generates URL for any member function (including Constructor/
918/// Destructor) of "scopeName". Doxygen first generates the URL for the scope.
919/// We do that with the help of "UrlGenerator". Then we append "#a" and a
920/// hashed with MD5 text. It consists of:
921/// "ReturnType ScopeName::MethodNameMethodName(Method arguments)".
922/// For constructor/destructor of a class, the return type is not appended.
923///
924/// \param[in] scopeName the name of the class/namespace/struct
925/// \param[in] methodName the name of the method from the scope
926/// \param[in] func pointer to the method
927/// \param[in] methodType enumerator for method or constructor
928/// \param[in] scopeType enumerator for class/namespace/struct
929
930static TString GetUrlForMethod(const TString &scopeName, const TString &methodName, TFunction *func,
931 EMethodKind methodType, EUrl scopeType)
932{
933 TString md5Text;
934 if (methodType == kURLforMethod) {
935 // In the case of method, we append the return type too.
936 // "FormatReturnTypeForDoxygen" modifies the return type with respect to Doxygen's requirement.
937 md5Text.Append((FormatReturnTypeForDoxygen(scopeName, func)));
938 if (scopeType == kURLforNameSpace) {
939 // We need to append "constexpr" if we work with constexpr functions in namespaces.
940 if (func->Property() & kIsConstexpr) {
941 md5Text.Prepend("constexpr ");
942 }
943 }
944 md5Text.Append(" ");
945 }
946 // We append ScopeName::MethodNameMethodName.
947 md5Text.Append(scopeName);
948 md5Text.Append("::");
949 md5Text.Append(methodName);
950 md5Text.Append(methodName);
951 // We use "FormatMethodArgsForDoxygen" to modify the arguments of Method with respect of Doxygen.
952 md5Text.Append(FormatMethodArgsForDoxygen(scopeName, func));
953 // We generate the URL for the class/namespace/struct.
954 TString url = UrlGenerator(scopeName, scopeType);
955 url.Append("#a");
956 // We append the hashed text.
957 url.Append(md5Text.MD5());
958 return url;
959}
960} // namespace
961
962////////////////////////////////////////////////////////////////////////////////
963/// It gets the ROOT installation setup as TString
964///
965/// \return a string with several lines
966///
968{
969 std::vector<TString> lines;
970 lines.emplace_back("```");
971 lines.emplace_back(TString::Format("ROOT v%s",
972 gROOT->GetVersion()));
973 lines.emplace_back(TString::Format("Built for %s on %s", gSystem->GetBuildArch(), gROOT->GetGitDate()));
974 if (!strcmp(gROOT->GetGitBranch(), gROOT->GetGitCommit())) {
975 static const char *months[] = {"January","February","March","April","May",
976 "June","July","August","September","October",
977 "November","December"};
978 Int_t idatqq = gROOT->GetVersionDate();
979 Int_t iday = idatqq%100;
980 Int_t imonth = (idatqq/100)%100;
981 Int_t iyear = (idatqq/10000);
982
983 lines.emplace_back(TString::Format("From tag %s, %d %s %4d",
984 gROOT->GetGitBranch(),
985 iday,months[imonth-1],iyear));
986 } else {
987 // If branch and commit are identical - e.g. "v5-34-18" - then we have
988 // a release build. Else specify the git hash this build was made from.
989 lines.emplace_back(TString::Format("From %s@%s",
990 gROOT->GetGitBranch(),
991 gROOT->GetGitCommit()));
992 }
993 lines.emplace_back(TString::Format("With %s",
995 lines.emplace_back("Binary directory: "+ gROOT->GetBinDir());
996 lines.emplace_back("```");
997 TString setup = "";
998 for (auto& line : lines) {
999 setup.Append(line);
1000 setup.Append('\n');
1001 }
1002 setup.Chop(); // trim final `\n`
1003 return setup;
1004}
1005
1006////////////////////////////////////////////////////////////////////////////////
1007/// It opens a Forum topic in a web browser with prefilled ROOT version
1008///
1009/// \param[in] type the issue type (only bug supported right now)
1010
1012{
1013 // https://meta.discourse.org/t/how-to-create-a-post-clicking-a-link/96197
1014
1015 if (type == "bug") {
1016 //OpenInBrowser("\"https://root-forum.cern.ch/new-topic?title=topic%20title&body=topic%20body&category=category/subcategory&tags=email,planned\"");
1017 TString report_template =
1018R"(___
1019_Please read [tips for efficient and successful posting](https://root-forum.cern.ch/t/tips-for-efficient-and-successful-posting/28292) and [posting code](https://root-forum.cern.ch/t/posting-code-read-this-first/28293)_
1020
1021### Describe the bug
1022<!--
1023A clear and concise description of what the wrong behavior is.
1024-->
1025### Expected behavior
1026<!--
1027A clear and concise description of what you expected to happen.
1028-->
1029
1030### To Reproduce
1031<!--
1032Steps to reproduce the behavior:
10331. Your code that triggers the issue: at least a part; ideally something we can run ourselves.
10342. Don't forget to attach the required input files!
10353. How to run your code and / or build it, e.g. `root myMacro.C`, ...
1036-->
1037
1038### Setup
1039)"+GetSetup()+
1040R"(
1041<!--
1042Please specify also how you obtained ROOT, such as `dnf install` / binary download / you built it yourself.
1043-->
1044
1045### Additional context
1046<!--
1047Add any other context about the problem here.
1048-->)";
1049 report_template = FormatHttpUrl(report_template);
1050
1051 OpenInBrowser("\"https://root-forum.cern.ch/new-topic?category=ROOT&tags=bug&body="+report_template+"&\"");
1052 } else {
1053 Warning("OpenForumTopic", "cannot find \"%s\" as type for a Forum topic\n"
1054 "Available types are 'bug'.", type.Data());
1055 }
1056}
1057
1058////////////////////////////////////////////////////////////////////////////////
1059/// It opens a GitHub issue in a web browser with prefilled ROOT version
1060///
1061/// \param[in] type the issue type (bug, feature or improvement)
1062
1064{
1065 // https://docs.github.com/en/issues/tracking-your-work-with-issues/creating-an-issue#creating-an-issue-from-a-url-query
1066
1067 if (type == "bug") {
1069 "\"https://github.com/root-project/root/issues/new?labels=bug&template=bug_report.yml&root-version=" +
1070 FormatHttpUrl(GetSetup()) + "\"");
1071 } else if (type == "improvement") {
1072 OpenInBrowser("\"https://github.com/root-project/root/issues/"
1073 "new?labels=improvement&template=improvement_report.yml&root-version=" +
1074 FormatHttpUrl(GetSetup()) + "\"");
1075 } else if (type == "feature") {
1077 "\"https://github.com/root-project/root/issues/new?labels=new+feature&template=feature_request.yml\"");
1078 } else {
1079 Warning("OpenGitHubIssue",
1080 "Cannot find GitHub issue type \"%s\".\n"
1081 "Available types are 'bug', 'feature' and 'improvement'.",
1082 type.Data());
1083 }
1084}
1085
1086////////////////////////////////////////////////////////////////////////////////
1087/// It opens the online reference guide, generated with Doxygen, for the
1088/// chosen scope (class/namespace/struct) or member (method/function/
1089/// data member/enumeration/enumerator. If the user types incorrect value,
1090/// it will return an error or warning.
1091///
1092/// \param[in] strippedClass the scope or scope::member
1093
1094void TApplication::OpenReferenceGuideFor(const TString &strippedClass)
1095{
1096 // We check if the user is searching for a scope and if the scope exists.
1097 if (TClass *clas = TClass::GetClass(strippedClass)) {
1098 // We check what scope he is searching for (class/namespace/struct).
1099 // Enumerators will switch between the possible cases.
1100 EUrl scopeType;
1101 if (clas->Property() & kIsNamespace) {
1102 scopeType = kURLforNameSpace;
1103 } else if (clas->Property() & kIsStruct) {
1104 scopeType = kURLforStruct;
1105 } else {
1106 scopeType = kURLforClass;
1107 }
1108 // If the user search directly for a scope we open the URL for him with OpenInBrowser.
1109 OpenInBrowser(UrlGenerator(strippedClass, scopeType));
1110 return;
1111 }
1112 // Else we subtract the name of the method and remove it from the command.
1113 TString memberName = TClassEdit::GetUnqualifiedName(strippedClass);
1114 // Error out if "strippedClass" is un-scoped (and it's not a class, see `TClass::GetClass(strippedClass)` above).
1115 // TODO: Global functions.
1116 if (strippedClass == memberName) {
1117 Error("OpenReferenceGuideFor", "Unknown entity \"%s\" - global variables / functions not supported yet!",
1118 strippedClass.Data());
1119 return;
1120 }
1121 // Else we remove the member name to be left with the scope.
1122 TString scopeName = strippedClass(0, strippedClass.Length() - memberName.Length() - 2);
1123 // We check if the scope exists in ROOT.
1124 TClass *cl = TClass::GetClass(scopeName);
1125 if (!cl) {
1126 // That's a member of something ROOT doesn't know.
1127 Warning("OpenReferenceGuideFor", "\"%s\" does not exist in ROOT!", scopeName.Data());
1128 return;
1129 }
1130 // We have enumerators for the three available cases - class, namespace and struct.
1131 EUrl scopeType;
1132 if (cl->Property() & kIsNamespace) {
1133 scopeType = kURLforNameSpace;
1134 } else if (cl->Property() & kIsStruct) {
1135 scopeType = kURLforStruct;
1136 } else {
1137 scopeType = kURLforClass;
1138 }
1139 // If the user wants to search for a method, we take its name (memberName) and
1140 // modify it - we delete everything starting at the first "(" so the user won't have to
1141 // do it by hand when they use Tab.
1142 int bracket = memberName.First("(");
1143 if (bracket > 0) {
1144 memberName.Remove(bracket);
1145 }
1146 // We check if "memberName" is a member function of "cl" or any of its base classes.
1147 if (TFunction *func = cl->GetMethodAllAny(memberName)) {
1148 // If so we find the name of the class that it belongs to.
1149 TString baseClName = ((TMethod *)func)->GetClass()->GetName();
1150 // We define an enumerator to distinguish between structor and method.
1151 EMethodKind methodType;
1152 // We check if "memberName" is a constructor.
1153 if (baseClName == memberName) {
1154 methodType = kURLforStructor;
1155 // We check if "memberName" is a destructor.
1156 } else if (memberName[0] == '~') {
1157 methodType = kURLforStructor;
1158 // We check if "memberName" is a method.
1159 } else {
1160 methodType = kURLforMethod;
1161 }
1162 // We call "GetUrlForMethod" for the correct class and scope.
1163 OpenInBrowser(GetUrlForMethod(baseClName, memberName, func, methodType, scopeType));
1164 return;
1166 // We check if "memberName" is an enumeration.
1167 if (cl->GetListOfEnums()->FindObject(memberName)) {
1168 // If so with OpenInBrowser we open the URL generated with GetUrlForEnumeration
1169 // with respect to the "scopeType".
1170 OpenInBrowser(GetUrlForEnumeration(scopeName, memberName, scopeType));
1171 return;
1172 }
1173
1174 // We check if "memberName" is enumerator defined in one the base classes of "scopeName".
1175 if (auto enumerator = (TDataMember *)cl->GetListOfAllPublicDataMembers()->FindObject(memberName)) {
1176 // We find the actual scope (might be in a base) and open the URL in a browser.
1177 TString baseClName = ((TMethod *)enumerator->GetClass())->GetName();
1178 OpenInBrowser(GetUrlForDataMember(baseClName, memberName, enumerator, scopeType));
1179 return;
1180 }
1181
1182 // Warning message will appear if the user types the function name incorrectly
1183 // or the function is not a member function of "cl" or any of its base classes.
1184 Warning("OpenReferenceGuideFor", "cannot find \"%s\" as member of %s or its base classes! Check %s\n", memberName.Data(),
1185 scopeName.Data(), UrlGenerator(scopeName, scopeType).Data());
1187
1188////////////////////////////////////////////////////////////////////////////////
1189/// The function (".forum <type>") submits a new post on the ROOT forum
1190/// via web browser.
1191/// \note You can use "bug" as <type>.
1192/// \param[in] line command from the command line
1193
1194void TApplication::Forum(const char *line)
1195{
1196 // We first check if the user chose a correct syntax.
1197 TString strippedCommand = TString(line).Strip(TString::kBoth);
1198 if (!strippedCommand.BeginsWith(".forum ")) {
1199 Error("Forum", "Unknown command! Use 'bug' after '.forum '");
1200 return;
1201 }
1202 // We remove the command ".forum" from the TString.
1203 strippedCommand.Remove(0, 7);
1204 // We strip the command line after removing ".help" or ".?".
1205 strippedCommand = strippedCommand.Strip(TString::kBoth);
1206
1207 OpenForumTopic(strippedCommand);
1209
1210////////////////////////////////////////////////////////////////////////////////
1211/// The function (".gh <type>") submits a new issue on GitHub via web browser.
1212/// \note You can use "bug", "feature" or "improvement" as <type>.
1213/// \param[in] line command from the command line
1214
1215void TApplication::GitHub(const char *line)
1216{
1217 // We first check if the user chose a correct syntax.
1218 TString strippedCommand = TString(line).Strip(TString::kBoth);
1219 if (!strippedCommand.BeginsWith(".gh ")) {
1220 Error("GitHub", "Unknown command! Use 'bug', 'feature' or 'improvement' after '.gh '");
1221 return;
1222 }
1223 // We remove the command ".gh" from the TString.
1224 strippedCommand.Remove(0, 4);
1225 // We strip the command line after removing ".help" or ".?".
1226 strippedCommand = strippedCommand.Strip(TString::kBoth);
1227
1228 OpenGitHubIssue(strippedCommand);
1229}
1230
1231////////////////////////////////////////////////////////////////////////////////
1232/// The function lists useful commands (".help") or opens the online reference
1233/// guide, generated with Doxygen (".help scope" or ".help scope::member").
1234/// \note You can use ".?" as the short version of ".help"
1235/// \param[in] line command from the command line
1236
1237void TApplication::Help(const char *line)
1238{
1239 // We first check if the user wants to print the help on the interpreter.
1240 TString strippedCommand = TString(line).Strip(TString::kBoth);
1241 // If the user chooses ".help" or ".?".
1242 if ((strippedCommand == ".help") || (strippedCommand == ".?")) {
1243 gInterpreter->ProcessLine(line);
1244 Printf("\n ROOT special commands.");
1245 Printf(" ==============================================================================");
1246 Printf(" .L <filename>[flags]: load the given file with optional flags like\n"
1247 " + to compile or ++ to force recompile.\n"
1248 " Type .? TSystem::CompileMacro for a list of all flags.\n"
1249 " <filename> can also be a shared library; skip flags.");
1250 Printf(" .(x|X) <filename>[flags](args) :\n"
1251 " same as .L <filename>[flags] and runs then a function\n"
1252 " with signature: ret_type filename(args).");
1253 Printf(" .credits : show credits");
1254 Printf(" .demo : launch GUI demo");
1255 Printf(" .forum bug : ask for help with a bug or crash at the ROOT forum.");
1256 Printf(" .gh [bug|feature|improvement]\n"
1257 " : submit a bug report, feature or improvement suggestion");
1258 Printf(" .help Class::Member : open reference guide for that class member (or .?).\n"
1259 " Specifying '::Member' is optional.");
1260 Printf(" .help edit : show line editing shortcuts (or .?)");
1261 Printf(" .license : show license");
1262 Printf(" .libraries : show loaded libraries");
1263 Printf(" .ls : list contents of current TDirectory");
1264 Printf(" .pwd : show current TDirectory, pad and style");
1265 Printf(" .quit (or .exit) : quit ROOT (long form of .q)");
1266 Printf(" .R [user@]host[:dir] [-l user] [-d dbg] [script] :\n"
1267 " launch process in a remote host");
1268 Printf(" .qqq : quit ROOT - mandatory");
1269 Printf(" .qqqqq : exit process immediately");
1270 Printf(" .qqqqqqq : abort process");
1271 Printf(" .which [file] : show path of macro file");
1272 Printf(" .![OS_command] : execute OS-specific shell command");
1273 Printf(" .!root -? : print ROOT usage (CLI options)");
1274 return;
1275 } else {
1276 // If the user wants to use the extended ".help scopeName" command to access
1277 // the online reference guide, we first check if the command starts correctly.
1278 if ((!strippedCommand.BeginsWith(".help ")) && (!strippedCommand.BeginsWith(".? "))) {
1279 Error("Help", "Unknown command!");
1280 return;
1281 }
1282 // We remove the command ".help" or ".?" from the TString.
1283 if (strippedCommand.BeginsWith(".? ")) {
1284 strippedCommand.Remove(0, 3);
1285 } else {
1286 strippedCommand.Remove(0, 5);
1287 }
1288 // We strip the command line after removing ".help" or ".?".
1289 strippedCommand = strippedCommand.Strip(TString::kBoth);
1290
1291 if (strippedCommand == "edit") {
1292 Printf("\n ROOT terminal keyboard shortcuts (GNU-readline style).");
1293 #ifdef R__MACOSX
1294 #define FOOTNOTE " *"
1295 Printf("* Some of these commands might be intercepted by macOS predefined system shortcuts.");
1296 // https://apple.stackexchange.com/questions/18043/how-can-i-make-ctrlright-left-arrow-stop-changing-desktops-in-lion
1297 #else
1298 #define FOOTNOTE ""
1299 #endif
1300 Printf(" ==============================================================================");
1301 Printf(" Arrow_Left : move cursor left [Ctrl+B]");
1302 Printf(" Arrow_Right : move cursor right [Ctrl+F] [Ctrl+G]");
1303 #ifdef R__MACOSX
1304 Printf(" Fn+Arrow_Left : move cursor to beginning of line [Ctrl+A]");
1305 #else
1306 Printf(" Home : move cursor to beginning of line [Ctrl+A]");
1307 #endif
1308 #ifdef R__MACOSX
1309 Printf(" Fn+Arrow_Right : move cursor to end of line [Ctrl+E]");
1310 #else
1311 Printf(" End : move cursor to end of line [Ctrl+E]");
1312 #endif
1313 Printf(" Ctrl+Arrow_Left : jump to previous word [Esc,B] [Alt,B]" FOOTNOTE);
1314 Printf(" Ctrl+Arrow_Right : jump to next word [Esc,F] [Alt,F]" FOOTNOTE);
1315
1316 Printf(" Backspace : delete previous character [Ctrl+H]");
1317 Printf(" Del : delete next character [Ctrl+D]");
1318 Printf(" Esc,Backspace : delete previous word [Ctrl+W] [Esc,Ctrl+H] [Alt+Backspace] [Esc,Del] [Esc,Ctrl+Del]" FOOTNOTE);// Del is 0x7F on macOS
1319 Printf(" Ctrl+Del : delete next word [Esc,D] [Alt,D]" FOOTNOTE);
1320 Printf(" Ctrl+U : cut all characters between cursor and start of line");
1321 Printf(" Ctrl+K : cut all characters between cursor and end of line");
1322
1323 Printf(" Ctrl+T : transpose characters");
1324 Printf(" Esc,C : character to upper and jump to next word");
1325 Printf(" Esc,L : word to lower case and jump to its end");
1326 Printf(" Esc,U : word to upper case and jump to its end");
1327 Printf(" Ctrl+Shift+C : copy clipboard content");
1328 Printf(" Ctrl+Shift+V : paste clipboard content [Ctrl+Y] [Alt+Y]");
1329 #ifdef R__MACOSX
1330 Printf(" Fn+Enter : toggle overwrite mode");
1331 #else
1332 Printf(" Ins : toggle overwrite mode");
1333 #endif
1334
1335 Printf(" Ctrl+_ : undo last keypress action");
1336 Printf(" Tab : autocomplete command or print suggestions [Ctrl+I] [Esc,Tab]");
1337 Printf(" Enter : execute command [Ctrl+J] [Ctrl+M]");
1338 Printf(" Ctrl+L : clear prompt screen");
1339 Printf(" Ctrl+D : quit ROOT (if empty line)");
1340 Printf(" Ctrl+C : send kSigInt interrupt signal");
1341 Printf(" Ctrl+Z : send kSigStop pause job signal");
1342
1343 Printf(" Arrow_Down : navigate downwards in command history [Ctrl+N]");
1344 Printf(" Arrow_Up : navigate upwards in command history [Ctrl+P]");
1345 Printf(" Ctrl+R ; Ctrl+S : search command in your history by typing a string.\n"
1346 " Use Backspace if you mistyped (but not arrows).\n"
1347 " Press Ctrl+R (Ctrl+S) repeateadly to navigate matches in reverse (forward) order");
1348 Printf(" Arrow_Right : after Ctrl+R (Ctrl+S), select current match of the history search\n"
1349 " [Ctrl+O] [Enter] [Ctrl+J] [Ctrl+M] [Arrow_Left] [Esc,Esc].\n"
1350 " Use Ctrl+F or Ctrl+G to cancel search and revert original line");
1351
1352 return;
1353 }
1354 // We call the function what handles the extended ".help scopeName" command.
1355 OpenReferenceGuideFor(strippedCommand);
1356 }
1357}
1358
1359/// Load shared libs necessary for graphics. These libraries are only
1360/// loaded when gROOT->IsBatch() is kFALSE.
1361
1363{
1364 if (gROOT->IsBatch())
1365 return;
1366
1367 if (auto h = gROOT->GetPluginManager()->FindHandler("TVirtualPad"))
1368 if (h->LoadPlugin() == -1)
1369 return;
1370
1371 TString name;
1372 TString title1 = "ROOT interface to ";
1373 TString nativex, title;
1374
1375#ifdef R__WIN32
1376 nativex = "win32gdk";
1377 name = "Win32gdk";
1378 title = title1 + "Win32gdk";
1379#elif defined(R__HAS_COCOA)
1380 nativex = "quartz";
1381 name = "quartz";
1382 title = title1 + "Quartz";
1383#else
1384 nativex = "x11";
1385 name = "X11";
1386 title = title1 + "X11";
1387#endif
1388
1389 TString guiBackend = gEnv->GetValue("Gui.Backend", "native");
1390 guiBackend.ToLower();
1391 if (guiBackend == "native") {
1392 guiBackend = nativex;
1393 } else {
1394 name = guiBackend;
1395 title = title1 + guiBackend;
1396 }
1397
1398 if (auto h = gROOT->GetPluginManager()->FindHandler("TVirtualX", guiBackend)) {
1399 if (h->LoadPlugin() == -1) {
1400 gROOT->SetBatch(kTRUE);
1401 return;
1402 }
1403 gVirtualX = (TVirtualX *) h->ExecPlugin(2, name.Data(), title.Data());
1405 }
1406
1407 TString guiFactory = gEnv->GetValue("Gui.Factory", "native");
1408 guiFactory.ToLower();
1409 if (guiFactory == "native")
1410 guiFactory = "root";
1411
1412 if (auto h = gROOT->GetPluginManager()->FindHandler("TGuiFactory", guiFactory)) {
1413 if (h->LoadPlugin() == -1) {
1414 gROOT->SetBatch(kTRUE);
1415 return;
1416 }
1417 gGuiFactory = (TGuiFactory *) h->ExecPlugin(0);
1418 }
1420
1421////////////////////////////////////////////////////////////////////////////////
1422/// Switch to batch mode.
1423
1425{
1426 gROOT->SetBatch();
1429#ifndef R__WIN32
1430 if (gVirtualX != gGXBatch) delete gVirtualX;
1431#endif
1433}
1434
1435////////////////////////////////////////////////////////////////////////////////
1436/// Parse the content of a line starting with ".R" (already stripped-off)
1437/// The format is
1438/// ~~~ {.cpp}
1439/// [user@]host[:dir] [-l user] [-d dbg] [script]
1440/// ~~~
1441/// The variable 'dir' is the remote directory to be used as working dir.
1442/// The username can be specified in two ways, "-l" having the priority
1443/// (as in ssh).
1444/// A 'dbg' value > 0 gives increasing verbosity.
1445/// The last argument 'script' allows to specify an alternative script to
1446/// be executed remotely to startup the session.
1447
1449 TString &hostdir, TString &user,
1450 Int_t &dbg, TString &script)
1451{
1452 if (!ln || strlen(ln) <= 0)
1453 return 0;
1454
1455 Int_t rc = 0;
1456 Bool_t isHostDir = kTRUE;
1457 Bool_t isScript = kFALSE;
1458 Bool_t isUser = kFALSE;
1459 Bool_t isDbg = kFALSE;
1460
1461 TString line(ln);
1462 TString tkn;
1463 Int_t from = 0;
1464 while (line.Tokenize(tkn, from, " ")) {
1465 if (tkn == "-l") {
1466 // Next is a user name
1467 isUser = kTRUE;
1468 } else if (tkn == "-d") {
1469 isDbg = kTRUE;
1470 } else if (tkn == "-close") {
1471 rc = 1;
1472 } else if (tkn.BeginsWith("-")) {
1473 ::Warning("TApplication::ParseRemoteLine","unknown option: %s", tkn.Data());
1474 } else {
1475 if (isUser) {
1476 user = tkn;
1477 isUser = kFALSE;
1478 } else if (isDbg) {
1479 dbg = tkn.Atoi();
1480 isDbg = kFALSE;
1481 } else if (isHostDir) {
1482 hostdir = tkn;
1483 hostdir.ReplaceAll(":","/");
1484 isHostDir = kFALSE;
1485 isScript = kTRUE;
1486 } else if (isScript) {
1487 // Add everything left
1488 script = tkn;
1489 script.Insert(0, "\"");
1490 script += "\"";
1491 // isScript = kFALSE; // [clang-tidy] never read
1492 break;
1493 }
1494 }
1495 }
1496
1497 // Done
1498 return rc;
1499}
1500
1501////////////////////////////////////////////////////////////////////////////////
1502/// Process the content of a line starting with ".R" (already stripped-off)
1503/// The format is
1504/// ~~~ {.cpp}
1505/// [user@]host[:dir] [-l user] [-d dbg] [script] | [host] -close
1506/// ~~~
1507/// The variable 'dir' is the remote directory to be used as working dir.
1508/// The username can be specified in two ways, "-l" having the priority
1509/// (as in ssh).
1510/// A 'dbg' value > 0 gives increasing verbosity.
1511/// The last argument 'script' allows to specify an alternative script to
1512/// be executed remotely to startup the session.
1513
1515{
1516 if (!line) return 0;
1517
1518 if (!strncmp(line, "-?", 2) || !strncmp(line, "-h", 2) ||
1519 !strncmp(line, "--help", 6)) {
1520 Info("ProcessRemote", "remote session help:");
1521 Printf(".R [user@]host[:dir] [-l user] [-d dbg] [[<]script] | [host] -close");
1522 Printf("Create a ROOT session on the specified remote host.");
1523 Printf("The variable \"dir\" is the remote directory to be used as working dir.");
1524 Printf("The username can be specified in two ways, \"-l\" having the priority");
1525 Printf("(as in ssh). A \"dbg\" value > 0 gives increasing verbosity.");
1526 Printf("The last argument \"script\" allows to specify an alternative script to");
1527 Printf("be executed remotely to startup the session, \"roots\" being");
1528 Printf("the default. If the script is preceded by a \"<\" the script will be");
1529 Printf("sourced, after which \"roots\" is executed. The sourced script can be ");
1530 Printf("used to change the PATH and other variables, allowing an alternative");
1531 Printf("\"roots\" script to be found.");
1532 Printf("To close down a session do \".R host -close\".");
1533 Printf("To switch between sessions do \".R host\", to switch to the local");
1534 Printf("session do \".R\".");
1535 Printf("To list all open sessions do \"gApplication->GetApplications()->Print()\".");
1536 return 0;
1537 }
1538
1539 TString hostdir, user, script;
1540 Int_t dbg = 0;
1541 Int_t rc = ParseRemoteLine(line, hostdir, user, dbg, script);
1542 if (hostdir.Length() <= 0) {
1543 // Close the remote application if required
1544 if (rc == 1) {
1546 delete fAppRemote;
1547 }
1548 // Return to local run
1549 fAppRemote = nullptr;
1550 // Done
1551 return 1;
1552 } else if (rc == 1) {
1553 // close an existing remote application
1554 TApplication *ap = TApplication::Open(hostdir, 0, nullptr);
1555 if (ap) {
1557 delete ap;
1558 }
1559 }
1560 // Attach or start a remote application
1561 if (user.Length() > 0)
1562 hostdir.Insert(0, TString::Format("%s@", user.Data()));
1563 const char *sc = (script.Length() > 0) ? script.Data() : nullptr;
1564 TApplication *ap = TApplication::Open(hostdir, dbg, sc);
1565 if (ap) {
1566 fAppRemote = ap;
1567 }
1568
1569 // Done
1570 return 1;
1571}
1572
1573namespace {
1574 static int PrintFile(const char* filename) {
1575 TString sFileName(filename);
1576 gSystem->ExpandPathName(sFileName);
1577 if (gSystem->AccessPathName(sFileName)) {
1578 Error("ProcessLine()", "Cannot find file %s", filename);
1579 return 1;
1580 }
1581 std::ifstream instr(sFileName);
1582 TString content;
1583 content.ReadFile(instr);
1584 Printf("%s", content.Data());
1585 return 0;
1586 }
1587 } // namespace
1588
1589////////////////////////////////////////////////////////////////////////////////
1590/// Process a single command line, either a C++ statement or an interpreter
1591/// command starting with a ".".
1592/// Return the return value of the command cast to a long.
1593
1594Longptr_t TApplication::ProcessLine(const char *line, Bool_t sync, Int_t *err)
1595{
1596 if (!line || !*line) return 0;
1597
1598 // If we are asked to go remote do it
1599 if (!strncmp(line, ".R", 2)) {
1600 Int_t n = 2;
1601 while (*(line+n) == ' ')
1602 n++;
1603 return ProcessRemote(line+n, err);
1604 }
1605
1606 // Redirect, if requested
1609 return fAppRemote->ProcessLine(line, err);
1610 }
1611
1612 if (!strncasecmp(line, ".qqqqqqq", 7)) {
1613 gSystem->Abort();
1614 } else if (!strncasecmp(line, ".qqqqq", 5)) {
1615 Info("ProcessLine", "Bye... (try '.qqqqqqq' if still running)");
1616 gSystem->Exit(1);
1617 } else if (!strncasecmp(line, ".exit", 4) || !strncasecmp(line, ".quit", 2)) {
1618 Terminate(0);
1619 return 0;
1620 }
1621
1622 if (!strncmp(line, ".gh", 3)) {
1623 GitHub(line);
1624 return 1;
1625 }
1626
1627 if (!strncmp(line, ".forum", 6)) {
1628 Forum(line);
1629 return 1;
1630 }
1631
1632 if (!strncmp(line, ".?", 2) || !strncmp(line, ".help", 5)) {
1633 Help(line);
1634 return 1;
1635 }
1636
1637 if (!strncmp(line, ".demo", 5)) {
1638 if (gROOT->IsBatch()) {
1639 Error("ProcessLine", "Cannot show demos in batch mode!");
1640 return 1;
1641 }
1642 ProcessLine(".x " + TROOT::GetTutorialDir() + "/demos.C");
1643 return 0;
1644 }
1645
1646 if (!strncmp(line, ".license", 8)) {
1647 return PrintFile(TROOT::GetDocDir() + "/LICENSE");
1648 }
1649
1650 if (!strncmp(line, ".credits", 8)) {
1651 TString credits = TROOT::GetDocDir() + "/CREDITS";
1652 if (gSystem->AccessPathName(credits, kReadPermission))
1653 credits = TROOT::GetDocDir() + "/README/CREDITS";
1654 return PrintFile(credits);
1655 }
1656
1657 if (!strncmp(line, ".pwd", 4)) {
1658 if (gDirectory)
1659 Printf("Current directory: %s", gDirectory->GetPath());
1660 if (gPad)
1661 Printf("Current pad: %s", gPad->GetName());
1662 if (gStyle)
1663 Printf("Current style: %s", gStyle->GetName());
1664 return 1;
1665 }
1666
1667 if (!strncmp(line, ".ls", 3)) {
1668 const char *opt = nullptr;
1669 if (line[3]) opt = &line[3];
1670 if (gDirectory) gDirectory->ls(opt);
1671 return 1;
1672 }
1673
1674 if (!strncmp(line, ".which", 6)) {
1675 char *fn = Strip(line+7);
1676 char *s = strtok(fn, "+("); // this method does not need to be reentrant
1678 if (!mac)
1679 Printf("No macro %s in path %s", s, TROOT::GetMacroPath());
1680 else
1681 Printf("%s", mac);
1682 delete [] fn;
1683 delete [] mac;
1684 return mac ? 1 : 0;
1685 }
1686
1687 if (!strncmp(line, ".L", 2) || !strncmp(line, ".U", 2)) {
1688 TString aclicMode, arguments, io;
1689 TString fname = gSystem->SplitAclicMode(line+3, aclicMode, arguments, io);
1690
1691 char *mac = gSystem->Which(TROOT::GetMacroPath(), fname, kReadPermission);
1692 if (arguments.Length())
1693 Warning("ProcessLine", "argument(s) \"%s\" ignored with .%c", arguments.Data(), line[1]);
1694 Longptr_t retval = 0;
1695 if (!mac) {
1696 Error("ProcessLine", "macro %s not found in path %s", fname.Data(), TROOT::GetMacroPath());
1697 } else {
1698 TString cmd(line + 1);
1699 Ssiz_t posSpace = cmd.Index(' ');
1700 if (posSpace == kNPOS)
1701 cmd.Remove(1);
1702 else
1703 cmd.Remove(posSpace);
1704 auto tempbuf = TString::Format(".%s %s%s%s", cmd.Data(), mac, aclicMode.Data(), io.Data());
1705 delete[] mac;
1706 if (sync)
1707 retval = gInterpreter->ProcessLineSynch(tempbuf.Data(), (TInterpreter::EErrorCode *)err);
1708 else
1709 retval = gInterpreter->ProcessLine(tempbuf.Data(), (TInterpreter::EErrorCode *)err);
1710 }
1711
1712 InitializeGraphics(gROOT->IsWebDisplay());
1713
1714 return retval;
1715 }
1716
1717 if (!strncmp(line, ".X", 2) || !strncmp(line, ".x", 2)) {
1718 return ProcessFile(line+3, err, line[2] == 'k');
1719 }
1721 if (!strcmp(line, ".reset")) {
1722 // Do nothing, .reset disabled in Cling because too many side effects
1723 Printf("*** .reset not allowed, please use gROOT->Reset() ***");
1724 return 0;
1725
1726#if 0
1727 // delete the ROOT dictionary since CINT will destroy all objects
1728 // referenced by the dictionary classes (TClass et. al.)
1729 gROOT->GetListOfClasses()->Delete();
1730 // fall through
1731#endif
1732 }
1733
1734 if (!strcmp(line, ".libraries")) {
1735 // List the loaded libraries
1737 return 0;
1738 }
1739
1740 if (sync)
1741 return gInterpreter->ProcessLineSynch(line, (TInterpreter::EErrorCode*)err);
1742 else
1743 return gInterpreter->ProcessLine(line, (TInterpreter::EErrorCode*)err);
1744}
1745
1746////////////////////////////////////////////////////////////////////////////////
1747/// Process a file containing a C++ macro.
1748
1749Longptr_t TApplication::ProcessFile(const char *file, Int_t *error, Bool_t keep)
1750{
1751 return ExecuteFile(file, error, keep);
1752}
1753
1754////////////////////////////////////////////////////////////////////////////////
1755/// Execute a file containing a C++ macro (static method). Can be used
1756/// while TApplication is not yet created.
1757
1758Longptr_t TApplication::ExecuteFile(const char *file, Int_t *error, Bool_t keep)
1759{
1760 static const Int_t kBufSize = 1024;
1761
1762 if (!file || !*file) return 0;
1763
1764 TString aclicMode;
1765 TString arguments;
1766 TString io;
1767 TString fname = gSystem->SplitAclicMode(file, aclicMode, arguments, io);
1768
1769 char *exnam = gSystem->Which(TROOT::GetMacroPath(), fname, kReadPermission);
1770 if (!exnam) {
1771 ::Error("TApplication::ExecuteFile", "macro %s not found in path %s", fname.Data(),
1773 delete [] exnam;
1774 if (error)
1776 return 0;
1777 }
1778
1779 ::std::ifstream macro(exnam, std::ios::in);
1780 if (!macro.good()) {
1781 ::Error("TApplication::ExecuteFile", "%s no such file", exnam);
1782 if (error)
1784 delete [] exnam;
1785 return 0;
1786 }
1787
1788 char currentline[kBufSize];
1789 char dummyline[kBufSize];
1790 int tempfile = 0;
1791 int comment = 0;
1792 int ifndefc = 0;
1793 int ifdef = 0;
1794 char *s = nullptr;
1795 Bool_t execute = kFALSE;
1796 Longptr_t retval = 0;
1797
1798 while (1) {
1799 bool res = (bool)macro.getline(currentline, kBufSize);
1800 if (macro.eof()) break;
1801 if (!res) {
1802 // Probably only read kBufSize, let's ignore the remainder of
1803 // the line.
1804 macro.clear();
1805 while (!macro.getline(dummyline, kBufSize) && !macro.eof()) {
1806 macro.clear();
1807 }
1808 }
1809 s = currentline;
1810 while (s && (*s == ' ' || *s == '\t')) s++; // strip-off leading blanks
1811
1812 // very simple minded pre-processor parsing, only works in case macro file
1813 // starts with "#ifndef __CINT__". In that case everything till next
1814 // "#else" or "#endif" will be skipped.
1815 if (*s == '#') {
1816 char *cs = Compress(currentline);
1817 if (strstr(cs, "#ifndef__CINT__") ||
1818 strstr(cs, "#if!defined(__CINT__)"))
1819 ifndefc = 1;
1820 else if (ifndefc && (strstr(cs, "#ifdef") || strstr(cs, "#ifndef") ||
1821 strstr(cs, "#ifdefined") || strstr(cs, "#if!defined")))
1822 ifdef++;
1823 else if (ifndefc && strstr(cs, "#endif")) {
1824 if (ifdef)
1825 ifdef--;
1826 else
1827 ifndefc = 0;
1828 } else if (ifndefc && !ifdef && strstr(cs, "#else"))
1829 ifndefc = 0;
1830 delete [] cs;
1831 }
1832 if (!*s || *s == '#' || ifndefc || !strncmp(s, "//", 2)) continue;
1833
1834 if (!comment && (!strncmp(s, ".X", 2) || !strncmp(s, ".x", 2))) {
1835 retval = ExecuteFile(s+3);
1836 execute = kTRUE;
1837 continue;
1838 }
1839
1840 if (!strncmp(s, "/*", 2)) comment = 1;
1841 if (comment) {
1842 // handle slightly more complex cases like: /* */ /*
1843again:
1844 s = strstr(s, "*/");
1845 if (s) {
1846 comment = 0;
1847 s += 2;
1848
1849 while (s && (*s == ' ' || *s == '\t')) s++; // strip-off leading blanks
1850 if (!*s) continue;
1851 if (!strncmp(s, "//", 2)) continue;
1852 if (!strncmp(s, "/*", 2)) {
1853 comment = 1;
1854 goto again;
1855 }
1856 }
1857 }
1858 if (!comment && *s == '{') tempfile = 1;
1859 if (!comment) break;
1861 macro.close();
1862
1863 if (!execute) {
1864 TString exname = exnam;
1865 if (!tempfile) {
1866 // We have a script that does NOT contain an unnamed macro,
1867 // so we can call the script compiler on it.
1868 exname += aclicMode;
1869 }
1870 exname += arguments;
1871 exname += io;
1872
1873 TString tempbuf;
1874 if (tempfile) {
1875 tempbuf.Form(".x %s", exname.Data());
1876 } else {
1877 tempbuf.Form(".X%s %s", keep ? "k" : " ", exname.Data());
1878 }
1879 retval = gInterpreter->ProcessLineSynch(tempbuf,(TInterpreter::EErrorCode*)error);
1880 }
1881
1882 delete [] exnam;
1883 return retval;
1884}
1886////////////////////////////////////////////////////////////////////////////////
1887/// Main application eventloop. Calls system dependent eventloop via gSystem.
1888
1889void TApplication::Run(Bool_t retrn)
1890{
1891 SetReturnFromRun(retrn);
1892
1893 fIsRunning = kTRUE;
1894
1895 gSystem->Run();
1897}
1898
1899////////////////////////////////////////////////////////////////////////////////
1900/// Set the command to be executed after the system has been idle for
1901/// idleTimeInSec seconds. Normally called via TROOT::Idle(...).
1902
1903void TApplication::SetIdleTimer(UInt_t idleTimeInSec, const char *command)
1904{
1906 fIdleCommand = command;
1907 fIdleTimer = new TIdleTimer(idleTimeInSec*1000);
1909}
1910
1911////////////////////////////////////////////////////////////////////////////////
1912/// Remove idle timer. Normally called via TROOT::Idle(0).
1913
1915{
1916 if (fIdleTimer) {
1917 // timers are removed from the gSystem timer list by their dtor
1919 }
1920}
1921
1922////////////////////////////////////////////////////////////////////////////////
1923/// Called when system starts idleing.
1924
1926{
1928 fIdleTimer->Reset();
1930 }
1931}
1932
1933////////////////////////////////////////////////////////////////////////////////
1934/// Called when system stops idleing.
1935
1937{
1938 if (fIdleTimer)
1940}
1942////////////////////////////////////////////////////////////////////////////////
1943/// What to do when tab is pressed. Re-implemented by TRint.
1944/// See TTabCom::Hook() for meaning of return values.
1945
1946Int_t TApplication::TabCompletionHook(char* /*buf*/, int* /*pLoc*/, std::ostream& /*out*/)
1947{
1948 return -1;
1950
1951
1952////////////////////////////////////////////////////////////////////////////////
1953/// Terminate the application by call TSystem::Exit() unless application has
1954/// been told to return from Run(), by a call to SetReturnFromRun().
1955
1956void TApplication::Terminate(Int_t status)
1958 Emit("Terminate(Int_t)", status);
1959
1960 if (fReturnFromRun)
1961 gSystem->ExitLoop();
1962 else {
1963 gSystem->Exit(status);
1964 }
1965}
1966
1967////////////////////////////////////////////////////////////////////////////////
1968/// Emit signal when a line has been processed.
1969
1970void TApplication::LineProcessed(const char *line)
1971{
1972 Emit("LineProcessed(const char*)", line);
1973}
1974
1975////////////////////////////////////////////////////////////////////////////////
1976/// Emit signal when console keyboard key was pressed.
1977
1979{
1980 Emit("KeyPressed(Int_t)", key);
1981}
1982
1983////////////////////////////////////////////////////////////////////////////////
1984/// Emit signal when return key was pressed.
1985
1987{
1988 Emit("ReturnPressed(char*)", text);
1989}
1990
1991////////////////////////////////////////////////////////////////////////////////
1992/// Set console echo mode:
1993///
1994/// - mode = kTRUE - echo input symbols
1995/// - mode = kFALSE - noecho input symbols
1996
1998{
2000
2001////////////////////////////////////////////////////////////////////////////////
2002/// Static function used to create a default application environment.
2003
2005{
2007 // gApplication is set at the end of 'new TApplication.
2008 if (!gApplication) {
2009 char *a = StrDup("RootApp");
2010 char *b = StrDup("-b");
2011 char *argv[2];
2012 Int_t argc = 2;
2013 argv[0] = a;
2014 argv[1] = b;
2015 new TApplication("RootApp", &argc, argv, nullptr, 0);
2016 if (gDebug > 0)
2017 Printf("<TApplication::CreateApplication>: "
2018 "created default TApplication");
2019 delete [] a; delete [] b;
2021 }
2022}
2023
2024////////////////////////////////////////////////////////////////////////////////
2025/// Static function used to attach to an existing remote application
2026/// or to start one.
2027
2028TApplication *TApplication::Open(const char *url,
2029 Int_t debug, const char *script)
2030{
2031 TApplication *ap = nullptr;
2032 TUrl nu(url);
2033 Int_t nnew = 0;
2034
2035 // Look among the existing ones
2036 if (fgApplications) {
2037 TIter nxa(fgApplications);
2038 while ((ap = (TApplication *) nxa())) {
2039 TString apn(ap->ApplicationName());
2040 if (apn == url) {
2041 // Found matching application
2042 return ap;
2043 } else {
2044 // Check if same machine and user
2045 TUrl au(apn);
2046 if (strlen(au.GetUser()) > 0 && strlen(nu.GetUser()) > 0 &&
2047 !strcmp(au.GetUser(), nu.GetUser())) {
2048 if (!strncmp(au.GetHost(), nu.GetHost(), strlen(nu.GetHost())))
2049 // New session on a known machine
2050 nnew++;
2051 }
2052 }
2053 }
2054 } else {
2055 ::Error("TApplication::Open", "list of applications undefined - protocol error");
2056 return ap;
2057 }
2058
2059 // If new session on a known machine pass the number as option
2060 if (nnew > 0) {
2061 nnew++;
2062 nu.SetOptions(TString::Format("%d", nnew).Data());
2063 }
2064
2065 // Instantiate the TApplication object to be run
2066 TPluginHandler *h = nullptr;
2067 if ((h = gROOT->GetPluginManager()->FindHandler("TApplication","remote"))) {
2068 if (h->LoadPlugin() == 0) {
2069 ap = (TApplication *) h->ExecPlugin(3, nu.GetUrl(), debug, script);
2070 } else {
2071 ::Error("TApplication::Open", "failed to load plugin for TApplicationRemote");
2072 }
2073 } else {
2074 ::Error("TApplication::Open", "failed to find plugin for TApplicationRemote");
2075 }
2076
2077 // Add to the list
2078 if (ap && !(ap->TestBit(kInvalidObject))) {
2079 fgApplications->Add(ap);
2080 gROOT->GetListOfBrowsables()->Add(ap, ap->ApplicationName());
2081 TIter next(gROOT->GetListOfBrowsers());
2082 TBrowser *b;
2083 while ((b = (TBrowser*) next()))
2084 b->Add(ap, ap->ApplicationName());
2085 gROOT->RefreshBrowsers();
2086 } else {
2088 ::Error("TApplication::Open",
2089 "TApplicationRemote for %s could not be instantiated", url);
2090 }
2091
2092 // Done
2093 return ap;
2094}
2095
2096////////////////////////////////////////////////////////////////////////////////
2097/// Static function used to close a remote application
2098
2100{
2101 if (app) {
2102 app->Terminate(0);
2104 gROOT->GetListOfBrowsables()->RecursiveRemove(app);
2105 TIter next(gROOT->GetListOfBrowsers());
2106 TBrowser *b;
2107 while ((b = (TBrowser*) next()))
2108 b->RecursiveRemove(app);
2109 gROOT->RefreshBrowsers();
2110 }
2111}
2112
2113////////////////////////////////////////////////////////////////////////////////
2114/// Show available sessions
2115
2116void TApplication::ls(Option_t *opt) const
2117{
2118 if (fgApplications) {
2119 TIter nxa(fgApplications);
2120 TApplication *a = nullptr;
2121 while ((a = (TApplication *) nxa())) {
2122 a->Print(opt);
2123 }
2124 } else {
2125 Print(opt);
2126 }
2127}
2128
2129////////////////////////////////////////////////////////////////////////////////
2130/// Static method returning the list of available applications
2131
2133{
2134 return fgApplications;
2135}
#define SafeDelete(p)
Definition RConfig.hxx:525
#define b(i)
Definition RSha256.hxx:100
#define f(i)
Definition RSha256.hxx:104
#define a(i)
Definition RSha256.hxx:99
#define h(i)
Definition RSha256.hxx:106
size_t size(const MatrixT &matrix)
retrieve the size of a square matrix
bool Bool_t
Definition RtypesCore.h:63
int Int_t
Definition RtypesCore.h:45
long Longptr_t
Definition RtypesCore.h:75
int Ssiz_t
Definition RtypesCore.h:67
long Long_t
Definition RtypesCore.h:54
unsigned int UInt_t
Definition RtypesCore.h:46
constexpr Bool_t kFALSE
Definition RtypesCore.h:94
constexpr Ssiz_t kNPOS
Definition RtypesCore.h:117
long long Long64_t
Definition RtypesCore.h:69
constexpr Bool_t kTRUE
Definition RtypesCore.h:93
const char Option_t
Definition RtypesCore.h:66
#define ClassImp(name)
Definition Rtypes.h:382
static void CallEndOfProcessCleanups()
#define FOOTNOTE
TApplication * gApplication
R__EXTERN TApplication * gApplication
R__EXTERN TClassTable * gClassTable
@ kIsInlined
@ kIsConstexpr
Definition TDictionary.h:93
@ kIsStruct
Definition TDictionary.h:66
@ kIsVirtual
Definition TDictionary.h:72
@ kIsNamespace
Definition TDictionary.h:95
#define gDirectory
Definition TDirectory.h:384
R__EXTERN TEnv * gEnv
Definition TEnv.h:170
void Error(const char *location, const char *msgfmt,...)
Use this function in case an error occurred.
Definition TError.cxx:185
R__EXTERN ExceptionContext_t * gException
Definition TException.h:69
R__EXTERN void Throw(int code)
If an exception context has been set (using the TRY and RETRY macros) jump back to where it was set.
Option_t Option_t TPoint TPoint const char GetTextMagnitude GetFillStyle GetLineColor GetLineWidth GetMarkerStyle GetTextAlign GetTextColor GetTextSize void char Point_t Rectangle_t WindowAttributes_t Float_t Float_t Float_t Int_t Int_t UInt_t UInt_t Rectangle_t Int_t Int_t Window_t TString Int_t GCValues_t GetPrimarySelectionOwner GetDisplay GetScreen GetColormap GetNativeEvent const char const char dpyName wid window const char font_name cursor keysym reg const char only_if_exist regb h Point_t winding char text const char depth char const char Int_t count const char ColorStruct_t color const char filename
Option_t Option_t TPoint TPoint const char GetTextMagnitude GetFillStyle GetLineColor GetLineWidth GetMarkerStyle GetTextAlign GetTextColor GetTextSize void char Point_t Rectangle_t WindowAttributes_t index
Option_t Option_t TPoint TPoint const char GetTextMagnitude GetFillStyle GetLineColor GetLineWidth GetMarkerStyle GetTextAlign GetTextColor GetTextSize id
Option_t Option_t TPoint TPoint const char mode
Option_t Option_t TPoint TPoint const char GetTextMagnitude GetFillStyle GetLineColor GetLineWidth GetMarkerStyle GetTextAlign GetTextColor GetTextSize void char Point_t Rectangle_t WindowAttributes_t Float_t Float_t Float_t Int_t Int_t UInt_t UInt_t Rectangle_t Int_t Int_t Window_t TString Int_t GCValues_t GetPrimarySelectionOwner GetDisplay GetScreen GetColormap GetNativeEvent const char const char dpyName wid window const char font_name cursor keysym reg const char only_if_exist regb h Point_t winding char text const char depth char const char Int_t count const char ColorStruct_t color const char Pixmap_t Pixmap_t PictureAttributes_t attr const char char ret_data h unsigned char height h Atom_t Int_t ULong_t ULong_t unsigned char prop_list Atom_t Atom_t Atom_t Time_t type
Option_t Option_t TPoint TPoint const char text
char name[80]
Definition TGX11.cxx:110
R__EXTERN TGuiFactory * gBatchGuiFactory
Definition TGuiFactory.h:67
R__EXTERN TGuiFactory * gGuiFactory
Definition TGuiFactory.h:66
R__EXTERN TVirtualMutex * gInterpreterMutex
#define gInterpreter
@ kInvalidObject
Definition TObject.h:374
Int_t gDebug
Definition TROOT.cxx:597
R__EXTERN TVirtualMutex * gROOTMutex
Definition TROOT.h:63
#define gROOT
Definition TROOT.h:406
char * Compress(const char *str)
Remove all blanks from the string str.
Definition TString.cxx:2572
char * Strip(const char *str, char c=' ')
Strip leading and trailing c (blanks by default) from a string.
Definition TString.cxx:2521
void Printf(const char *fmt,...)
Formats a string in a circular formatting buffer and prints the string.
Definition TString.cxx:2503
char * StrDup(const char *str)
Duplicate the string str.
Definition TString.cxx:2557
R__EXTERN TStyle * gStyle
Definition TStyle.h:436
@ kReadPermission
Definition TSystem.h:45
R__EXTERN TSystem * gSystem
Definition TSystem.h:561
#define R__LOCKGUARD(mutex)
#define gPad
#define gVirtualX
Definition TVirtualX.h:337
R__EXTERN TVirtualX * gGXBatch
Definition TVirtualX.h:339
This class creates the ROOT Application Environment that interfaces to the windowing system eventloop...
EExitOnException ExitOnException(EExitOnException opt=kExit)
Set the exit on exception option.
virtual void KeyPressed(Int_t key)
Emit signal when console keyboard key was pressed.
virtual Longptr_t ProcessLine(const char *line, Bool_t sync=kFALSE, Int_t *error=nullptr)
Process a single command line, either a C++ statement or an interpreter command starting with a "....
static TList * fgApplications
static void Close(TApplication *app)
Static function used to close a remote application.
virtual void SetEchoMode(Bool_t mode)
Set console echo mode:
virtual void Help(const char *line)
The function lists useful commands (".help") or opens the online reference guide, generated with Doxy...
virtual void LineProcessed(const char *line)
Emit signal when a line has been processed.
void ClearInputFiles()
Clear list containing macro files passed as program arguments.
TApplicationImp * fAppImp
static Longptr_t ExecuteFile(const char *file, Int_t *error=nullptr, Bool_t keep=kFALSE)
Execute a file containing a C++ macro (static method).
void InitializeGraphics(Bool_t only_web=kFALSE)
Initialize the graphics environment.
virtual void Open()
virtual void LoadGraphicsLibs()
Load shared libs necessary for graphics.
virtual void StopIdleing()
Called when system stops idleing.
virtual void StartIdleing()
Called when system starts idleing.
virtual void Run(Bool_t retrn=kFALSE)
Main application eventloop. Calls system dependent eventloop via gSystem.
virtual ~TApplication()
TApplication dtor.
void OpenReferenceGuideFor(const TString &strippedClass)
It opens the online reference guide, generated with Doxygen, for the chosen scope (class/namespace/st...
virtual void HandleException(Int_t sig)
Handle exceptions (kSigBus, kSigSegmentationViolation, kSigIllegalInstruction and kSigFloatingExcepti...
virtual void MakeBatch()
Switch to batch mode.
void OpenGitHubIssue(const TString &type)
It opens a GitHub issue in a web browser with prefilled ROOT version.
Bool_t fReturnFromRun
virtual void Init()
TString fIdleCommand
char ** Argv() const
static Bool_t fgGraphNeeded
virtual void Terminate(Int_t status=0)
Terminate the application by call TSystem::Exit() unless application has been told to return from Run...
void OpenInBrowser(const TString &url)
The function generates and executes a command that loads the Doxygen URL in a browser.
virtual const char * ApplicationName() const
virtual void Forum(const char *line)
The function (".forum <type>") submits a new post on the ROOT forum via web browser.
void SetReturnFromRun(Bool_t ret)
virtual Int_t TabCompletionHook(char *buf, int *pLoc, std::ostream &out)
What to do when tab is pressed.
EExitOnException fExitOnException
TObjArray * fFiles
const char * GetIdleCommand() const
TApplication()
Default ctor. Can be used by classes deriving from TApplication.
virtual Longptr_t ProcessFile(const char *file, Int_t *error=nullptr, Bool_t keep=kFALSE)
Process a file containing a C++ macro.
void OpenForumTopic(const TString &type)
It opens a Forum topic in a web browser with prefilled ROOT version.
TString fWorkDir
virtual void ReturnPressed(char *text)
Emit signal when return key was pressed.
static Bool_t fgGraphInit
virtual void RemoveIdleTimer()
Remove idle timer. Normally called via TROOT::Idle(0).
virtual void SetIdleTimer(UInt_t idleTimeInSec, const char *command)
Set the command to be executed after the system has been idle for idleTimeInSec seconds.
virtual void GitHub(const char *line)
The function (".gh <type>") submits a new issue on GitHub via web browser.
static void CreateApplication()
Static function used to create a default application environment.
virtual void GetOptions(Int_t *argc, char **argv)
Get and handle command line options.
static TList * GetApplications()
Static method returning the list of available applications.
std::atomic< bool > fIsRunning
Window system specific application implementation.
static void NeedGraphicsLibs()
Static method.
static Int_t ParseRemoteLine(const char *ln, TString &hostdir, TString &user, Int_t &dbg, TString &script)
Parse the content of a line starting with ".R" (already stripped-off) The format is.
TTimer * fIdleTimer
void ls(Option_t *option="") const override
Show available sessions.
TString GetSetup()
It gets the ROOT installation setup as TString.
virtual void HandleIdleTimer()
Handle idle timeout.
virtual Longptr_t ProcessRemote(const char *line, Int_t *error=nullptr)
Process the content of a line starting with ".R" (already stripped-off) The format is.
TApplication * fAppRemote
char ** fArgv
Using a TBrowser one can browse all ROOT objects.
Definition TBrowser.h:37
void RecursiveRemove(TObject *obj) override
Recursively remove obj from browser.
Definition TBrowser.cxx:408
void Add(TObject *obj, const char *name=nullptr, Int_t check=-1)
Add object with name to browser.
Definition TBrowser.cxx:303
static DictFuncPtr_t GetDict(const char *cname)
Given the class name returns the Dictionary() function of a class (uses hash of name).
TClass instances represent classes, structs and namespaces in the ROOT type system.
Definition TClass.h:81
TList * GetListOfAllPublicDataMembers(Bool_t load=kTRUE)
Returns a list of all public data members of this class and its base classes.
Definition TClass.cxx:3862
TList * GetListOfEnums(Bool_t load=kTRUE)
Return a list containing the TEnums of a class.
Definition TClass.cxx:3686
Long_t Property() const override
Returns the properties of the TClass as a bit field stored as a Long_t value.
Definition TClass.cxx:6086
TMethod * GetMethodAllAny(const char *method)
Return pointer to method without looking at parameters.
Definition TClass.cxx:4384
static TClass * GetClass(const char *name, Bool_t load=kTRUE, Bool_t silent=kFALSE)
Static method returning pointer to TClass of the specified class name.
Definition TClass.cxx:2968
static void InitializeColors()
Initialize colors used by the TCanvas based graphics (via TColor objects).
Definition TColor.cxx:1167
All ROOT classes may have RTTI (run time type identification) support added.
Definition TDataMember.h:31
const char * GetTrueTypeName() const
Get the desugared type name of this data member, including const and volatile qualifiers.
Bool_t IsEnum() const
Return true if data member is an enum.
const char * GetFullTypeName() const
Get the concrete type name of this data member, including const and volatile qualifiers.
virtual Int_t GetValue(const char *name, Int_t dflt) const
Returns the integer value for a resource.
Definition TEnv.cxx:491
Global functions class (global functions are obtained from CINT).
Definition TFunction.h:30
Long_t Property() const override
Get property description word. For meaning of bits see EProperty.
const char * GetSignature()
Return signature of function.
Long_t ExtraProperty() const
Get property description word. For meaning of bits see EProperty.
const char * GetReturnTypeName() const
Get full type description of function return type, e,g.: "class TDirectory*".
This ABC is a factory for GUI components.
Definition TGuiFactory.h:42
virtual TApplicationImp * CreateApplicationImp(const char *classname, int *argc, char **argv)
Create a batch version of TApplicationImp.
TIdleTimer(Long_t ms)
Bool_t Notify() override
Notify handler.
void ls(Option_t *option="") const override
List this line with its attributes.
Definition TLine.cxx:380
A doubly linked list.
Definition TList.h:38
TObject * FindObject(const char *name) const override
Find an object in this list using its name.
Definition TList.cxx:576
void Add(TObject *obj) override
Definition TList.h:83
TObject * Remove(TObject *obj) override
Remove object from the list.
Definition TList.cxx:820
virtual TObjLink * FirstLink() const
Definition TList.h:104
Each ROOT class (see TClass) has a linked list of methods.
Definition TMethod.h:38
The TNamed class is the base class for all named ROOT classes.
Definition TNamed.h:29
const char * GetName() const override
Returns name of object.
Definition TNamed.h:47
An array of TObjects.
Definition TObjArray.h:31
Int_t GetEntries() const override
Return the number of objects in array (i.e.
void Delete(Option_t *option="") override
Remove all objects from the array AND delete all heap based objects.
TObject * At(Int_t idx) const override
Definition TObjArray.h:164
void Add(TObject *obj) override
Definition TObjArray.h:68
Collectable string class.
Definition TObjString.h:28
TString & String()
Definition TObjString.h:48
virtual const char * GetName() const
Returns name of object.
Definition TObject.cxx:444
R__ALWAYS_INLINE Bool_t TestBit(UInt_t f) const
Definition TObject.h:199
virtual void RecursiveRemove(TObject *obj)
Recursively remove this object from a list.
Definition TObject.cxx:665
virtual void Warning(const char *method, const char *msgfmt,...) const
Issue warning message.
Definition TObject.cxx:979
void SetBit(UInt_t f, Bool_t set)
Set or unset the user status bits as specified in f.
Definition TObject.cxx:786
virtual void Error(const char *method, const char *msgfmt,...) const
Issue error message.
Definition TObject.cxx:993
virtual void Fatal(const char *method, const char *msgfmt,...) const
Issue fatal error message.
Definition TObject.cxx:1021
virtual void Print(Option_t *option="") const
This method must be overridden when a class wants to print itself.
Definition TObject.cxx:642
void ResetBit(UInt_t f)
Definition TObject.h:198
@ kInvalidObject
if object ctor succeeded but object should not be used
Definition TObject.h:72
virtual void Info(const char *method, const char *msgfmt,...) const
Issue info message.
Definition TObject.cxx:967
void Emit(const char *signal, const T &arg)
Activate signal with single parameter.
Definition TQObject.h:164
static const char * GetMacroPath()
Get macro search path. Static utility function.
Definition TROOT.cxx:2762
static void ShutDown()
Shut down ROOT.
Definition TROOT.cxx:3140
static const TString & GetTTFFontDir()
Get the fonts directory in the installation. Static utility function.
Definition TROOT.cxx:3193
static Bool_t Initialized()
Return kTRUE if the TROOT object has been initialized.
Definition TROOT.cxx:2910
static const TString & GetTutorialDir()
Get the tutorials directory in the installation. Static utility function.
Definition TROOT.cxx:3119
static const TString & GetDocDir()
Get the documentation directory in the installation. Static utility function.
Definition TROOT.cxx:3082
Basic string class.
Definition TString.h:139
Ssiz_t Length() const
Definition TString.h:417
void ToLower()
Change string to lower-case.
Definition TString.cxx:1182
TString & Insert(Ssiz_t pos, const char *s)
Definition TString.h:661
Int_t Atoi() const
Return integer value of string.
Definition TString.cxx:1988
Bool_t EndsWith(const char *pat, ECaseCompare cmp=kExact) const
Return true if string ends with the specified string.
Definition TString.cxx:2244
TSubString Strip(EStripType s=kTrailing, char c=' ') const
Return a substring of self stripped at beginning and/or end.
Definition TString.cxx:1163
TString & Replace(Ssiz_t pos, Ssiz_t n, const char *s)
Definition TString.h:694
Ssiz_t First(char c) const
Find first occurrence of a character c.
Definition TString.cxx:538
const char * Data() const
Definition TString.h:376
TString & Chop()
Definition TString.h:691
TString & ReplaceAll(const TString &s1, const TString &s2)
Definition TString.h:704
TString MD5() const
Return the MD5 digest for this string, in a string representation.
Definition TString.cxx:940
@ kBoth
Definition TString.h:276
Bool_t BeginsWith(const char *s, ECaseCompare cmp=kExact) const
Definition TString.h:623
TString & Prepend(const char *cs)
Definition TString.h:673
Bool_t IsNull() const
Definition TString.h:414
std::istream & ReadFile(std::istream &str)
Replace string with the contents of strm, stopping at an EOF.
Definition Stringio.cxx:29
TString & Remove(Ssiz_t pos)
Definition TString.h:685
TString & Append(const char *cs)
Definition TString.h:572
static TString Format(const char *fmt,...)
Static method which formats a string using a printf style format descriptor and return a TString.
Definition TString.cxx:2378
void Form(const char *fmt,...)
Formats a string using a printf style format descriptor.
Definition TString.cxx:2356
Bool_t Contains(const char *pat, ECaseCompare cmp=kExact) const
Definition TString.h:632
Ssiz_t Index(const char *pat, Ssiz_t i=0, ECaseCompare cmp=kExact) const
Definition TString.h:651
void SetScreenFactor(Float_t factor=1)
Definition TStyle.h:317
virtual void NotifyApplicationCreated()
Hook to tell TSystem that the TApplication object has been created.
Definition TSystem.cxx:311
virtual Bool_t ExpandPathName(TString &path)
Expand a pathname getting rid of special shell characters like ~.
Definition TSystem.cxx:1274
virtual const char * Getenv(const char *env)
Get environment variable.
Definition TSystem.cxx:1665
virtual TString SplitAclicMode(const char *filename, TString &mode, TString &args, TString &io) const
This method split a filename of the form:
Definition TSystem.cxx:4258
virtual Int_t Exec(const char *shellcmd)
Execute a command.
Definition TSystem.cxx:653
virtual void ListLibraries(const char *regexp="")
List the loaded shared libraries.
Definition TSystem.cxx:2085
int GetPathInfo(const char *path, Long_t *id, Long_t *size, Long_t *flags, Long_t *modtime)
Get info about a file: id, size, flags, modification time.
Definition TSystem.cxx:1398
virtual Bool_t AccessPathName(const char *path, EAccessMode mode=kFileExists)
Returns FALSE if one can access a file using the specified access mode.
Definition TSystem.cxx:1296
virtual void Run()
System event loop.
Definition TSystem.cxx:343
virtual void ExitLoop()
Exit from event loop.
Definition TSystem.cxx:392
virtual Bool_t ChangeDirectory(const char *path)
Change directory.
Definition TSystem.cxx:862
virtual void AddTimer(TTimer *t)
Add timer to list of system timers.
Definition TSystem.cxx:471
virtual const char * GetBuildCompilerVersionStr() const
Return the build compiler version identifier string.
Definition TSystem.cxx:3899
virtual void Exit(int code, Bool_t mode=kTRUE)
Exit the application.
Definition TSystem.cxx:716
virtual const char * WorkingDirectory()
Return working directory.
Definition TSystem.cxx:871
virtual char * Which(const char *search, const char *file, EAccessMode mode=kFileExists)
Find location of file in a search path.
Definition TSystem.cxx:1548
virtual void SetProgname(const char *name)
Set the application name (from command line, argv[0]) and copy it in gProgName.
Definition TSystem.cxx:226
virtual const char * GetBuildArch() const
Return the build architecture.
Definition TSystem.cxx:3875
virtual void Abort(int code=0)
Abort the application.
Definition TSystem.cxx:725
virtual TTimer * RemoveTimer(TTimer *t)
Remove timer from list of system timers.
Definition TSystem.cxx:481
Handles synchronous and a-synchronous timer events.
Definition TTimer.h:51
void Reset()
Reset the timer.
Definition TTimer.cxx:159
This class represents a WWW compatible URL.
Definition TUrl.h:33
const char * GetUrl(Bool_t withDeflt=kFALSE) const
Return full URL.
Definition TUrl.cxx:390
const char * GetFileAndOptions() const
Return the file and its options (the string specified behind the ?).
Definition TUrl.cxx:504
const char * GetFile() const
Definition TUrl.h:69
const char * GetProtocol() const
Definition TUrl.h:64
Semi-Abstract base class defining a generic interface to the underlying, low level,...
Definition TVirtualX.h:46
TLine * line
Double_t y[n]
Definition legend1.C:17
Double_t x[n]
Definition legend1.C:17
const Int_t n
Definition legend1.C:16
void EnableImplicitMT(UInt_t numthreads=0)
Enable ROOT's implicit multi-threading for all objects and methods that provide an internal paralleli...
Definition TROOT.cxx:539
void EnableThreadSafety()
Enable support for multi-threading within the ROOT code in particular, enables the global mutex to ma...
Definition TROOT.cxx:501
const char * GetUnqualifiedName(const char *name)
Return the start of the unqualified name include in 'original'.