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Does anybody know a fully featured refactoring tool for C++ that works reliably with large code bases (some 100.000 lines)?
I tried whatever i can find again and again over the last years: SlickEdit, Eclipse CDT. They all were not at all usable.
SUMMARY:
I took time and evaluated "Visual Assist X" as well as "Refactor for C++". Both have some impressing features, but both as well are far from perfect. Extracting a large block of code usually is not done satisfying without manual modifications - and therefore does not pay off.
"Visual Assist X" has nice features such as much more complete autocompletition etc. But it leads to so much flickering and slows down much at certain points.
By my opinion therefore the answer is: "No, there is no production ready refactoring tool for C++"
UPDATE March 2015
As for hdoghmens reply today i tried Resharper for C++.
His link
https://www.jetbrains.com/resharper/ does not say anything about C++. But i found Resharper C++ that was announced more than a year ago here:
https://www.jetbrains.com/resharper/features/cpp.html
I gave it a try with VC2010 using a code base of 20MB.
Test 1: Extract Method:
results in a Resharper exception. No source code changed.
Test 2: Extract Method with different source:
Works fine
Test 3: Change signature of extracted function: Results in broken C++ code:
bool myclass::do_work123(<unknown long Color>int& Filled*&, long, int&)
Maybe thats why C++ its not listed on the main page.
By my opinion the answer to this question still is "NO".
Visual Assist and Visual Studio make dealing with large codebases much easier. Visual assist is good at tracking down how a class or member is used and is more effective at renaming it without false positives than search and replace.
I find Visual Assist X with Visual Studio very useful. Another choice is Refactor for C++.
I expect clang will significantly change the landscape of C++ refactoring tools out there over the next couple of years. It's an open-source, modular compiler that exposes an API for parsing and semantically analyzing C++ code. IDEs and other tools will be able to use this API rather than doing the difficult work of writing their own parser and semantic analyzer.
Google already made a large-scale refactoring tool using clang.
Mozilla has their own refactoring tool named Pork (Wiki, Developer Wiki). Here is the blog of the developer behind Pork. From what I've read Pork was successfully used in refactorings at Mozilla.
Pork should help if you come from *nix land, for Visual Studio I too recommend Visual Assist.
Our DMS Software Reengineering Toolkit is a transformation engine designed to carry out complex transforms over large bodies of code, including C++. It has been used to make reliable changes on systems of millions of lines of code. It operates by using compiler-accurate langauges analyzers and transformers.
It has a full C++ parser with name and type resolution, builds ASTs of code, can apply procedural or source-to-source transformations (with C++ surface syntax) to revise those trees, and regenerate compilable output with comments preserved. (Edit: 7/1/2011: Now does C++1X to the extent we understand the standard :)
It has been used on large scale reengineering projects, including C++ component re-architecting, and 100% fully automated translations between langauges.
You can read about this at the website.
DMS is also used to build arbitrary source analysis tools. Examples include clone detection, test coverage, smart difference (comparision of source code structures and abstract editing operations rather than lines with simple insert and delete), etc.
What it is not (presently) is an interactive refactoring tool. We believe that to do most refactorings well, you need deep control and data fow analyses. DMS has generic machinery to support this, and that machinery is implemented for C, COBOL and Java at this point, with C++ being next in line. This is a tough job. You won't see a lot of serious C++ refactoring tools from anybody until this kind of problem has been solved well.
First you need a full C++ parser :-}
EDIT 7/5/2011: Looks like we are going to take a run at the interactive version. We have won a Department of Energy Phase I SBIR to investigate how to do this. See http://science.energy.gov/sbir/awards-and-general-stats/fy-2011/phase-i-by-state/?p=1#tx (Look for Semantic Designs under "Texas").
Don't expect a result in a hurry; this is just the start of 3 phase multi-year program to get to a tool.
EDIT 8/11/2011: First progress... we now handle all of C++0x and OpenMP directives.
EDIT 1/4/2012: Does full control flow analysis of C++ code.
EDIT 9/15/2014: Now have C++14 front end parser/transformation engine well in hand. Even does rename pretty reliably at this point :-}
If you're using emacs, try Xrefactory . It supports method extraction, renaming of classes/functions/variables and insert/delete/move parameters.It also has very good/fast code completion engine.
Currently I can't recommend any refactoring tool for C++, certainly not for large code bases of 100k lines and above. I've been hoping this will change, like the OP, and I hope one day there will be something. I fear that the language itself might have to change significantly before we see any really good tools.
btw, has SlickEdit dropped its refactoring features?
I recommend to try rtags if you use emacs and haven't tried it yet (there is also a package for vim available). It is a clang based client/server application that indexes C/C++ code, with these features included:
go to definition/declaration
find all references, go to next/previous
rename symbol
integration with clang’s “fixits”
I decided to give it a try after watching this talk which introduced rtags (and emacs) for me.
(I have to say that I went this far only after my QtCreator failed to rename some symbols properly, which is a show-stopper for my using this great IDE for now)
Besides what is supported by rtags, I also need some additional neat features, including:
create function definition/prototype
extract function
create getter/setter methods
For these, I recommend to use a semantic-refactor package for emacs (not sure if there are alternatives for vim)
Generally, clang based tools looks very promising. If you are interested in more information about clang tools for C++ refactoring, including for projects with large codebase, there are some great talks by Chandler Carruth.
The DMS software rengineering toolkit does this I think. It is a code transformation engine, designed for large scale and handles C++. Have no idea how elegant the output is though.
The problem are C++ templates. As of 2019 I'm not aware of any refactoring tool that supports C++ templates. I've tried VS2019, VisualAssist, Clion, QtCreator.
Consider example:
#include <iostream>
struct foo { void print() {} };
struct bar { void print() {} };
template <typename T>
void call_print(T&& v) { v.print(); }
void print() {}
int main()
{
call_print(foo{});
call_print(bar{});
return 0;
}
If I run Rename Refactoring on foo::print, bar::print should be also renamed automatically. Because they are linked through call_print function template instantiations.
One surely has to mention Klocwork as a commercial code refactoring suite. It does look very promising when you go through the demo video.
Definetely Resharper Ultimate is the way to go. Happiness guaranteed :)
In Beta version as of march 2015.
Sorry to only find this question so late. My students and assistants work on C++ refactoring since about 2006. Most of CDTs refactoring infrastrucure was built by my team at IFS institute of software. since a couple of years we provide Cevelop our version of CDT with support for C++ code modernization refactorings etc. Cevelop can work with large code bases, if workspace is set up correctly. Free available at https://cevelop.com
If you are using Visual C++ (Express Edition is free), you can use Visual Assist from www.wholetomato.com (link to the C++ refactoring features).
It has a 30 day trial period and we have found it to be faster and more feature-full that the built-in intellisense in the Visual C++ product itself.
If your looking to reengineer your codebase: MOOSE. But that's a large collection of analysis and reengineering tools, not an editor.
There is now a C++ refactoring extension for Visual Studio 2013 from Microsoft:
http://visualstudiogallery.msdn.microsoft.com/164904b2-3b47-417f-9b6b-fdd35757d194
CLion looks very promising.
Disclaimer: I've not tried it yet as I need to convert my projects to CMake format in order to use it.
I recommend you try Lattix. It allows you to analyze large C/C++ codebases to discover the archtecture, identify problematic dependencies, and re-engineer the code to improve modularity and reduce technical debt. Lattix also provides a number of algorithms to help in the refactoring process. These algorithms help you figure out how to move elements from one part of the hierarchy to another, to break cycles and to move subsystems so that the coupling and cohesion of subsystems can be improved. Here are the results of Lattix analyzing the Android Kernel (1.6 million LOC of C/C++).
Full disclosure: I work for Lattix
I found the following plugin for Visual Studio 2013:
Visual C++ Refactoring by Microsoft.
It is just a simple rename tool but it works flawlessy. It adds the following context menu after right-clicking on a symbol:
Related
My teacher recommended us to use notepad++ and cygwin for our programming needs. Are there any better solutions anyone can recommend out there to program and compile?
Myriad of various IDE's.... Eclipse CDT, Visual Studio Express, Code::Blocks, DevCPP....
And yes, Notepad++ and Cygwin with gcc would be a very viable option if you only need to compile single files for your homework.
Use a IDE
An integrated development environment (IDE) (also known as integrated design environment, integrated debugging environment or interactive development environment) is a software application that provides comprehensive facilities to computer programmers for software development. An IDE normally consists of:
a source code editor
a compiler and/or an interpreter
build automation tools
a debugger
A few of them to choose from
http://netbeans.org/index.html
http://www.codeblocks.org/
http://www.eclipse.org/cdt/
In my opinion, a very important tool for beginners is a debugger. A lot of question can be answered by yourself if you have a look into the debugger. You can use the gdb but it is hard to use and understand for beginners. So I would recommend to use Visual C++ 2010 Express which has an excellent and easy to use debugger.
Disclaimer:
The following are personal opinions, related to my personal taste on
the subject. Anyone in the programmer community has its own taste and
preferences an can agree or not. Here I just want to tell you about
some rationals. Consider products and related names as "examples."
My Answer
There are mainly three ways to write code:
The manual one
The assisted one
The automated one.
Think to them as:
Driving your car alone
Driving with a navigator
Driving with an autopilot.
Here "driving alone" means "use a generic text editor, a command-line based compiler and a command-line based debugger. The editor may eventually have a clue about the language syntax (thus differentiating different language structural elements, like keyword, literals, operators etc.) but knowing really nothing about what you are coding.
This is what notepad++ does. It makes coding harder, but for very simple things makes you really learn how to "drive".
A "navigator" is a basic IDE like Devc++, or like CodeBlocks: they have the notion of "project", manage the relation between files and manage the invocation of the compiler and debugger, managing the mapping on their output respect to your sources.
You write your own code, but the "road to compile" is told by the "navigator" you have to trust.
An "autopilot" is a more complex IDE (like VisualStudio, Netbeans, Eclipse ...) that can also "manage the code" providing code analysis for either syntax and semantics, context sensitive auto-completion, code generation for common tasks.
They can give you some code you have to complete and connect together.
They make you faster in producing code, testing it, debugging it, but you must have more trust in them or know how they "suggest".
They can be productive, but you have to "configure" them to suite your needs.
Now: since everything is a matter of "trust", and you cannot trust what you don't know yet, and is a matter of "knowing yuur needs" (but a learner may not yet have an idea abut them)
starting with "beasts" like VisualStudio (that mess arout 50% of your computer registry, pretend you to download GIGABYTES from the Internet and installs GIGABYTES of whatever MS library) is clueless: before you will start using all of that, will take years, and VS itself will be changed 2 or three times) or Eclipse (that has the more powerful syntax and semantic analizer, but requires lot of "arcane configuration" you don't even know since you didn't make the first step in programming) may be an excess. At least until your programs will stay in a couple of pages.
starting win notepad++ and GCC (or Mingw) is just a matter of dowload few megabytes, set a PATH, and you go. Fastest way to turn the key on.
when things become more complex, and require some help in organize them, simple IDE like CodeBloks or Codelite are more than effective at "to the point". I will avoid Dev-C++: it's OLD, and doesn't support the "state of art of the C++ language". You an live with them for all your scolarity
when going to more professional kind of projects, and your experience in "using tools" is better, things like Eclipse, or NetBeans may become more "effective". I will in any case avoid VisualStudio: it's not that "effective". But it is the best to develop in Microsoft environments producing MS oriented applications, especially in the ".Net" world. Something you will not see before 2/3 years of experience.
If you're learning you can download VStudio Express. I believe it's free. Easier to use than notepad and cygwin. This isn't a biased opinion. I'm a Linux C++ developer most days but acknowledge the fact that it might be easier to learn using VStudio.
If you are using linux, you can use kate and g++ for editing and compiling c++ files.
If you are using windows, I think your teacher's recommendations are good. Althought there are various IDE's for C++, it is better to use a simple editor that doesn't have code completion and compilation feature while learning a programming language for the first time. IDE's are nice but not good for learners I think.
It's probably a good idea to go with your teacher's suggestion, since you might also need some help in the future, either from him or your colleagues. Another advantage is that, being in school, you'll probably develop using more than one programming language. Notepad++ has support for almost everything you can think of, so you can use it not only for this course. That way you'll have an advantage because you'll learn shortcuts, etc...
If you plan on doing a lot of programming in the future, I highly recommend putting the effort into learning VIM. Nothing else can touch it in terms of speed and power. It has built-in shell access and it is programmable. It is like having God in your text editor. The major down-side is the steep learning curve.
Also, you want to use Git in-case you screw-up and want to go back to a previous point. It lets you periodically check-point your code so you can always go back. For example, maybe you delete something, then later on decide you want to use that code after all. If you've been check-pointing with Git, you can get it back.
Graphical differs sometimes come in handy too.
I started coding in C++ using Turbo C++(the default program available on college computers, I told them it was prehistoric), but then I found Visual Studio Express and never looked back since that day.
Also since i could not install Visual Studio on College computers, I put a portable version of DevC++ on my pen drive to use there.
Eventually I got the College to install Visual Studio Express editions on all Lab Computers (Once I managed to convince them that it was free with no Licensing issues)
For a beginner, go with a text editor and a compiler. Helps you in understanding what actually goes on.
You could use Dev-C++, which is a good compiler for C and C++, if you want lightweight.
Otherwise Visual Studio probably.
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I'm about to start work on my first C++ project. I've done lots of C# and VB (VB6 and VB.NET), plus Java and a few other things over the past 10 years or so, just never had a requirement for C++ until now.
I plan to use Visual Studio 2008, but I'm interested to find out from experienced C++ programmers whether Visual Studio is a good IDE for a C++ newbie.
Will VS in any way make it harder for me to learn to program C++ correctly?
Will VS encourage any bad habits?
Are there any pitfalls I should look out for?
First off, VS 2008 is quite powerful and probably one of the best IDEs for C++ programming (at least with a supporting plugin such as Visual Assist X).
Beware, however, that C++ is a hard language to get right for the compilers and that the default warning level is quite lenient to boot. So it will tolerate bad/wrong code quite often. It is always advisable to check the code on other compilers as well – at the very least in g++ with high warning level in strict mode.
Also setting the warning level higher in Visual Studio is encouraged.
Visual Studio is an excellent IDE for C++. If you know it from C#, it will be comfortably familiar.
There is something to be said for starting to learn a language like C++ by not using an IDE at all, but by building from the command line. This will impress on you the various phases of the c++ compilation and linking process, and will serve you in good stead if you ever need real cross-platform portability.
VS 2008 is fine for developing C++. Like someone else said I would purchase Visual Assist X simply because it gives you Intellisense on steroids and a better code outliner. Also the MSDN docs you get with VS are excellent quality and include a full description of the C++ language and standard library. On Windows you would be mad to use anything else.
Use Visual Studio, especially if you already know it through C#. I agree with the others that you should invest in Visual Assist though.
You better off with code-editor + build tools
as an IDE, VS is pretty bad (subjective). There are a lot of alternatives (more lightweight, for sure)
By build tools I mean not only compiler but also some kind of make/jam etc
This way you'll be ready for real cross-platform development (first) and as a bonus you'll get the possibility for much quicker and comfortable builds for "not small" projects -- one command builds everything. And while you can get the same in VS (really?) it will be faster. Plus you can have project structure the way YOU want 8)
As for reference, for my pet-project i use source insight + kjam + msvc compiler
I remember a few years ago having some troubles with VS. Actually the problem was with the C++ compiler, because they didn't implemented some features of the language, or at least they didn't implemented in a standard way.
We switched to Eclipse CDT because it was relatively easy to use other compilers, supported custom makefiles, and multiple targets.
But if you plan to develop for Win32, VS it's probably the safest choice.
I'm doing something similar; I've done a lot of Java programming and started learning C++ not too long ago. When I am starting to learn a new language, I like to work through the various bits of syntax differences by writing smaller programs. As great as Visual Studio is for larger projects, I think it tends to add a lot of bulk for that kind of practice. I'm with Konrad on the command line idea - great place to start. I am also using Dev-C++ for the smaller projects. It's a nice, compact little gcc IDE that is only about 60MB total footprint on the hard drive, and it compiles to windows executables without any problem. Good luck in your endeavors!
Yes, use Visual Studio, it's an IDE you already know, so it has the lowest learning curve in terms of tooling. Since you've never done any C++ before, please use the IDE, not a console window to learn. The one thing you will miss is the .NET framework. You can use Managed C++ with VS, but if you plan on using pure C++, with no managed code at all, it's going to be scary at first.
One thing I've always noticed about C++ is that if you expect all the same tools you had with C# to be there for C++ when you start, you might be disappointed. VS is a great IDE, and it's had C++ support long before .NET came around, so trust it, enjoy it, and remember, nothing is perfect.
I asked a similar question here except using C on Visual Studio. Although I personally couldn't imagine doing C# without VS, I find using VS for C an exercise in masochism. I know this isn't exactly the same as what you're asking, but if you find that it is a similar experience in C++, know that it's not just you.
Using VS allows you to not having to get under the hood and understand how the chain of buildtools work. Use VS to automate what you know how to do manually and make sure you understand what happens behind the scenes. In the world of C++ you are more expected to understand the build chain than in high level languages like C# or VB.
If you're using the VC project system, you should be fine. If, however, you are using a makefile-based project, it's extremely important that you tell the IDE about your include paths, preprocessor macros, etc, so that intellisense will work correctly.
Some people form a bad impression of Visual C++'s code browsing capabilities because they are used to C# where there's no configuration required.
Another thing to be aware of: occasionally, I have found that intellisense stops working well in a project where I have worked for a few days or weeks. If your solution is called foo.sln, deleting the foo.ncb file will cause the IDE to reparse your code, and intellisense will start working again.
Finally, I've heard that VS 2010 will be a major improvement to the C++ IDE experience for the first time in years.
http://blogs.msdn.com/somasegar/archive/2008/11/21/c-enhancements-in-vs-2010.aspx
Yes, use visual studio, but be aware that applications that you build with it wont run on some computers unless they have the visual studio runtime redist installed. If you find your app wont work on other machines, go download it.
When programming in C++ in Visual Studio 2008, why is there no functionality like that seen in the refactor menu when using C#?
I use Rename constantly and you really miss it when it's not there. I'm sure you can get plugins that offer this, but why isn't it integrated in to the IDE when using C++? Is this due to some gotcha in the way that C++ must be parsed?
The syntax and semantics of C++ make it incredibly difficult to correctly implement refactoring functionality. It's possible to implement something relatively simple to cover 90% of the cases, but in the remaining 10% of cases that simple solution will horribly break your code by changing things you never wanted to change.
Read http://yosefk.com/c++fqa/defective.html#defect-8 for a brief discussion of the difficulties that any refactoring code in C++ has to deal with.
Microsoft has evidently decided to punt on this particular feature for C++, leaving it up to third-party developers to do what they can.
I'm not sure why it is like this, but third-party tools exist that help. For example, right now I'm evaluating Visual Assist X (by Whole Tomato). We're also using Visual Studio 2005.
devexpress provides Add-in Refactor! for C++ for VS2005 and VS2008.
Don't feel hard-done-by, it isn't available in VB.Net either :)
C++ is a HARD language to parse compared with C# (VB too unless you've "Option Explicit" and "Option Strict" switched on, it's difficult to tell exactly what any line of code is doing out of a MUCH larger context).
At a guess it could have something to do with the "difficulty" of providing it.
P.S. I marked my answer as community wiki because I know it's not providing any useful information.
Eclipse does few c++ refactorings including 'rename'. Check out this question here on StackOverflow.
It is also possible to use Microsoft compiler with Eclipse. Check out here.
Try Eclipse and see if it fits for you.
There is a lot of fud and confusion around this issue. This amazing youtube video should clear up why C++ refactoring is hard: https://www.youtube.com/watch?v=mVbDzTM21BQ
tl;dr Google refactors their entire 100 million line C++ codebase by using a compiler (Clang + LLVM) that allows access to its intermediate format.
Bottom line, third parties are screwed here, there is no realistic way for them to refactor VS C++ unless MS outputs intermediate results the same way. If you think of it from the programming problem perspective this is obvious: in order to refactor VS C++ you have to be able to compile C++ the exact same way VS does with the same bugs, limitations, flaws, hacks, shortcuts, workarounds, etc. The usual suspects like Coderush and Resharper do not have the budget for that kind of insanity although apparently they are trying but it has been years...
http://www.jetbrains.com/resharper-cpp/
Update 2016: Resharper now does a decent job at C++ refactor. Limitations are purely for large / gigantic projects.
MS has finally done this: https://channel9.msdn.com/Shows/C9-GoingNative/GoingNative-33-C-Refactoring-in-Visual-Studio-2015#time=04m37s
They have started doing this about 10 years ago, I remember watching ms channel9 long ago.
I've been using Visual Assist X with visual studio for about one year and a half. It's an incredible tool that helps you a lot with ordinary C++ code, but it doesn't perform very well on templated code. For instance, you if have a sophisticated policy-based template design, it won't know how to rename your variables, and the project won't compile anymore.
Install plugin which enables you that functionality: https://visualstudiogallery.msdn.microsoft.com/164904b2-3b47-417f-9b6b-fdd35757d194
I'd like to point out that Qt Creator (a C++ IDE which is compatible with VC++ libraries and build system) provides symbol renaming that works very well:
You can rename symbols in all files in a project. When you rename a class, you can also change filenames that match the class name.
Qt Creator - Refactoring: Renaming Symbols
Qt Creator's rename functionality gives you a list of the symbol references it found and an opportunity to exclude any of them before performing the replace. So if it gets a symbol reference wrong, you can exclude it.
So C++ symbol renaming is possible. Coming to VS from Qt Creator I feel your pain, to the point where I've considered converting preexisting VS projects of considerable size to use Qt Creator instead.
I don't buy the argument that this is specifically hard in C++. In addition to the fact that it already works very well in Qt Creator, there's the fact that the compiler and linker can find and match symbols: If that wasn't possible you couldn't build your application.
In fact, languages like Python that are dynamically typed also have renaming tools. If you can create such a tool for a language where there are no explicit references to variable type you can definitely do it for C++.
Case in point:
... Rope, a python refactoring library... I tried it for a few renames, and that definitely worked as expected.
Stack Overflow - What refactoring tools do you use for Python?
Well in spite of comments by all you experts I totally disagree that refactoring support issue has something to do with C++ language semantics or any language semantics for that matter. Except the compiler builder themselves don't choose to implement one in first case due to their own reasons or constraints whatsoever they maybe.
And offense not to be taken but I am sorry to say Mr jsb the above link you provided to support your case (i.e of yosefk) about C++ defect is totally out of question. Its more like you providing direction to "Los angeles" when someone asked for of "San Franisco".
In my opinion raising refactoring difficulty issue for certain language is more like raising a finger on language integrity itself. Especially for languages which is sometimes just pain.... when it comes to their variable declaration and use. :) Okay! tell me how come you loose track of some node within a node tree ... eh? So what it is do with any language be it as simple as machine level code. You know you VS compiler can easily detect if some variable or routine is dead code. Got my point?
About developing third party tool. I think compiler vendors can implement it far more easily and effectively if they ever wanted to then a third party tool which will have to duplicate all the parsing database to handle it. Nowadays compiler can optimize code very efficiently at machine code level and I am hearing here that its difficult to tell how some variable is used previously. You haven't paid any real attention to inner working of compiler I suppose. What database it keep within.
And sure its the almost same database that IDE use for all such similar purposes. In previous time compiler were just a separate entity and IDE just a Text Editor with some specialization but as times goes by the gap between compiler and IDE Editor become less and its directly started working on similar parsed database. Which makes it possible to handle all those intellisense and refactoring or other syntax related issues more effectively. With all precompile things and JIT compiling this gap is almost negligent. So it almost make sense to use same database for both purpose or else your memory demand go higher due to duplication.
You all are programmers - I am not! And you guys seems to be having difficulty visualizing how refactoring can be implemented for C++ or any language that I can't comprehend. Its just all about for something you have to put more effort for some less depending on how heavy is a person you trying push.
Anyway way VS a nice IDE especially when it comes to C#.
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I'm currently working on a pet project and need to do C++ development on Windows, Mac, Linux, and Solaris, and I've narrowed it down to Netbeans and Eclipse, so I was wonderig which is more solid as a C++ editor. I just need solid editing, good autocompletion for templated code ad external libraries, and project file management, the build tools are external, so thats irrelevant here, for my comparison.
Thus which is a better choice?
Note: I know I should be using emacs or vim, but the issue is, my theory at least, that I'm left handed, so I use my right side (design,creativity) of the brain more than the left side (logic, memory), so I just simply cannot use emacs or vim, my brain simply isn't compatible, I tried them many times too, even used emacs for a few months but it drove me crazy...
Thanks
I haven't used NetBeans, but Eclipse CDT (C Developer Tools, which includes C++), especially with the latest version, is really quite excellent:
Syntax checking and spell checking
Syntax highlighting that distinguishes between library calls and your function calls and between local and member variables and is even applied to code that's #ifdef'ed out
Macro expansion that can step you through each level of macro application or show the final result even of very complex Boost Preprocessor macros
A file and class outline view that updates dynamically to show where you are in a file. (Commercial IDE's I've used fail to do this.)
Powerful, flexible Find/Replace and Find in Files features with complete Perl-style regex support. It's also supposed to be able to do a C/C++ Find in Files that can search based on language semantics (e.g., only find references, not declarations), although this sometimes doesn't work for me.
Automatic tracking of TODO and other comment tags
Mouseover tips that show the exact declaration of a variable or function, including any comments, instead of just where a variable or function is declared. (Again, commercial IDE's I've used fail to do this.)
Support via plugins for Subversion, Doxygen, etc.
Some refactoring support - rename, extract constant, extract function, a few others
Code reformatter, based on user-definable code styles
You'd asked specifically about its editor; the Eclipse editor is good enough that I use it in preference to the commercial IDE for our product whenever I don't need the commercial IDE's forms designer.
Eclipse's debugger integration (using gdb) is tolerable but not great, and its memory usage is high. A few features (like the C/C++ Find in Files) don't work reliably or require reindexing (which is time consuming) for no apparent reason, but the latest version seems more reliable in this regard.
Can someone who's used NetBeans fill in how it compares?
I'm using Netbeans from time to time on Solaris and the latest (6.5) version is pretty neat. It has all the features that you need, perhaps autocompletion could work better, but I have a really bad code base so it might be the result of it. Keep in mind that you need strong machine for that, if it's your PC it's ok but Netbeans on a remote server (like I tried) is really slow unless you have a decent hardware. There are few simple refactorings for C++ with nice preview option, definitely worth a try.
You can get a whole Sun C++ pack from here:
http://developers.sun.com/sunstudio/downloads/express/
Personally I prefer NetBeans - the project management is excellent and I was up and running quicker than with Eclipse. However, it is subjective and YMMV.
They are both bloated and slow, IMHO. Why don't you try Code::Blocks instead? It is specifically aimed at C++ developers and performs much better than either Eclipse or NetBeans.
Just to give 2 cents to the comments about speed or performance issues with eclipse/netbeans:
The only part of an IDE that sucks if it is slow is the editor component.
And in contrast to some obviously superficial assertions here, I found the editor
component in Eclipse extremely snappy. The rest of the IDE is prone to lags,
but the editor itself delivers spotless performance.
I have a 1.4GHz Laptop and use Eclipse with it. Eclipse's editor component is faster (especially when scrolling/browsing through text) than Code::Blocks or KDevelop. The simple reason for this is: Eclipse caches everything, especially the syntax highlighting etc., other IDEs seem to try to do this ''live'' and fail.
The c++ indexer was a cause of woe in versions past. It crashed when out of memory, without it none of the nifty search functions worked, etc.
For the current version I can only say: It is all fixed and it works like a charm.
It's speed is comparable to the VisualStudio Indexer.
If you install Eclipse CDT you get a ton of nice features as has been explained in other replies already, that most other IDEs only provide with multiple plugins. (I don't know about netbeans, never used it.)
The feature that kicks me everytime is the smart tooltip when I hover over some identifier. Eclipse gives me direct access to any javadoc that might be entered somewhere and the file where it is defined and even lets me scroll around inside the tooltip!
So I have every identifiers full context at my fingertips, everywhere.
I prefer it over Visual Studio and pretty much everything else I've tried.
Granted, everything else you do in the IDE could be snappier. For me, the crucial thing is, that the editor is fast and eclipse's definitely does a great job there.
The only thing I hate about Netbeans is that the debugger is kinda slow in comparison to Eclipse . Besides that , Netbeans would be my choice .
If you run eclipse under linux you can use valgrind for memory leaks. Eclipse supports gdb well enough for me, but I couldn't find a decent memory leak plugin, and the valgrind integration plugin is in beta. This blog does a great tutorial for it: http://kapo-cpp.blogspot.com/2007/02/detecting-memory-leak.html . I cast my vote for eclipse on linux. P.S Real men use ed only.
The c++ parser in code::blocks doesn't seem to be on par with netbeans and eclipse ones: according to code::block's wiki, it needs to be entirely rewritten.
They're both excellent for C++ development, but one thing that I've recently found lacking in NetBeans is that there doesn't seem to be a plugin available for CppUnit, or any other C++ unit testing framework. I'd love to get some more responses to this question if I'm wrong about that.
(Also, I know development is always going on for NetBeans, so maybe someone will come up with a plugin soon.)
For C++ I'd have to agree with Nemanja Trifunovic and say you should give Code::Blocks a look. It's free, and has great performance. I started using it a few years ago after switching from Bloodshed Dev-C++ (which is basically not supported anymore) and couldn't be happier.
I'm a huge fan of Eclipse and have used it extensively for Java and C++ programming. However, currently, it does not support remote C++ development. I tried Netbeans Remote C++ development and have found it to be rather excellent and extremely simple. Having said that, the C++ parsing is not as fluid as Eclipse, the autocomplete sometimes gets in the way and doesn't go away, and the biggest problem I have had is the constant need to restart the IDE due to very slow performance. I hope Eclipse can continue to build it's Remote C++ development capabilities and use Netbeans as an example of how to make it very simple!
having used eclipse for some time now i recently took a look at netbeans and must say i quite like it. at the end of the day they are both excellent ides and it is a very subjective choice.
in my opinion netbeans seems to be a bit faster than eclipse, but that might just be a feeling.
I have been using Net Beans so far. But I was forced to switch to Eclipse due to problems in NetBeans. There is a Net Beans bug which renders the IDE useless when you work with projects with a large amount of source files. Many people have been complaining, but it seems the Net Beans team was unable to fix the problem which stops the IDE from responding when it is parsing the source files. :(
Reported in:
Petr Dvorak - Oracle Blog
As a solution they provide an on-demand parsing mechanism which does not work for me :(
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I'm looking for a good IDE for C++ that has most or all of the following properties (well, the first 4 or 5 ones are mandatory):
cross-platform (at least Mac, Linux)
of course, syntax highlighting and other basic coding editor functionality
reasonably responsive GUI, not too sluggish on mid-size (say, 100 files) projects (both my Linux and Mac computers are 5 years old)
code completion
integration with gdb
SVN integration would be nice too
refactoring (rename a variable semi-automatically throughout the codebase, etc.)
can display class hierarchy
can add hypertext-style links to the code (so you can click on a function/class name and it brings you to the declaration),
can show code parts that (potentially) call my function (I know that's hard to do for C++ so I added the potentially)
So far, I've been using Emacs for everything, but I think advanced features that give me more overview and search capabilities like the last three would be nice. I'm tired of just using grep and find on my codebase.
Basically, I want most of the things for C++ development that Java IDEs usually do.
I see Netbeans can be used for C++, as well as Eclipse. I think they would fit my requirements. Has anyone actually used them for daily coding? What are the differences? What are your experiences? Code::Blocks is more lightweight and doesn't do many of the things listed above, right?
Note: I don't need a GUI builder.
Update: With the bullet point 10 I mean that I can give it a function name (e.g. Foo::setValue), and it shows me all occurrences where this particular function (and not other functions of the same name, like Bar::setValue) is called in my codebase.
Code::Blocks does the first 5 and it's also got class method browsing (though not a heirarchy display). It's a much more lightweight solition thaen Eclipse or NetBeans, but if you like the minimalist approach it's pretty good.
To summarise CB versus your requirements:
Yes
Yes
Yes
Yes
Yes
No - but you can add it easily
No
No, but similar functionality
No
Can go from definition to decl and vice versa, but no callers list
As all the solutions you mention are free, you could always try them all and then make a decision on which one to stick with. That's what I did.
In addition to the ones mentioned, there's QTCreator, which has "Rapid code navigation tools" though I've not used it.
I think though that the non-essential requirements aren't so good, you can easily see where a method is being called using search! (of course, if you have a huge class hierarchy where every class has the same named method, you've only yourself to blame :) if you havn't laid your classes out in an easily understandable way)
I'd recomend Netbeans, in 6.5, its pretty fast IDE and offers all 10 of your requirements.
I recently asked this same question. I ended up choosing Eclipse with the CDT plugin and the Cygwin libraries. I've been pretty happy with it, except I haven't quite got the hang of the debugger. The window for walking through source on the debug perspective is pretty small, for some reason I haven't figured out how to see into arrays, and I think I knocked out one of the windows for displaying variables and don't know how to get it back. I've ended up abandoning the debugger perspective and just walk through debugs in the normal perspective.
Also, I use Eclipse for Java, so the helped minimize the learning curve. It can do refactoring and you can integrate svn.
Java based IDEs (Netbeans and Eclipse) are sometimes somewhat slow. Also their main focus is Java. One problem with Eclipse is that it is difficult to use for small screens, such as in laptops. I prefer to work usually in vim + ctags (to perform the functions of grep and find), and when I have some advanced operations like comparing two directory hierarchies, I use Eclipse. I've not used Code::Blocks much, but I hear good things about it.
Coming from Emacs, I think you'd prefer something lightweight and not heavy-weight. I would consider Code::Blocks then as a good candidate for exploration.
codeblocks is open source !!
http://www.codeblocks.org/
Go for Eclipse. If you have a decent computer, it is fast enough and has best possibilities with its plug-ins.
codeblocks have a lot of features just check them up !
and it is free !
If you already know Emacs, it may be easier to just start using a few more packages, than learn a whole new IDE.
For example, you can easily do #9 with Emacs: just run tags once and then M-. RET anywhere.
You also have to weigh the IDE's features against what you lose. For example, most IDEs don't tend to have Emacs' easy macro capabilities or numeric prefixes, which are often like a more general form of refactoring.
It is not only the IDE that matters - you would probably need to be able to build you application outside of the IDE (i.e. continuous integration).
Consider using CMake to create a cross-platform description of your build scripts. Once you have the CMake Script (which is straightforward) you can generate from it project files for the IDE of your choice - eclipse, kdevelop, Visual Studio, codeblocks, etc.
I would suggest using eclipse as an IDE. There are few options of how to use CMake with eclipse. Play around, and find the best for you.
Once more - CMake is not only cross-platform it is also cross-IDE. And CMake scripts are very readable, a simple make file would look like this:
project(hello)
add_executable(hello hello.cpp)
Now compare that with makefiles, or setting up a project in your favorite IDE!
My two cents (in no particular order ... and not all these options are c++):
Qt ... my first productive GUI building framework
Lazarus ... what a cool name, and very productive tool (not c++ though)
MonoDevelop ... I'm falling in love with c# development (very much like c++)
Java ... ubiquitous ( a bit like c++)
CHEERS!
Sublime Text Editor is the best cross platform editor so far I have seen. Try using it http://www.sublimetext.com/. It comes with unlimited demo period without suppressing any of its functionality. But if you are satisfied with that, please buy and use it to credit the author.