Best Programming Editors? A Never Ending Battle With No Clear Winner
由于五一假期，迟了一些 原文：Best Programming Editors? A Never Ending Battle With No Clear Winner **作者： PHILLIP BRENNAN **
IDE vs General Purpose Text Editor
An integrated development environment (IDE) (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, build automation tools, and a debugger, and many support lots of additional plugins and extensions. Text editors are simpler applications. Compared to IDEs, they usually correspond to just the code editor segment of an IDE. However, they are often much more than that. IDEs are created to serve the purpose of software development, while many text editors are designed to be used by non-developers as well. Static-typed languages can get a lot of benefits from IDEs. Because of the strict typing rules, it is possible for the IDE to detect bugs and naming inconsistencies across classes and modules, and even across files, directly in the editor, before compiling. This functionality comes standard with many IDEs, and for that reason, IDEs are very popular for static-typed languages. However, it is impossible to do the same thing for dynamically typed languages. For example, if a method name may be generated by the code itself, constructed from a series of string concats, trying to detect naming errors in dynamic languages requires nothing less than running the actual program. Because one of the major benefits of IDEs does not apply to dynamic language programmers, they have a greater tendency to stick with text editors like Sublime. As a side note, this is also a major reason why the test-driven development movement has grown up around dynamic language communities, and has not had as strong of a following in static languages.
What Makes a Great Programming Editor?
Aside from a number of different features for various languages, every programming editor needs to have a well-organized and clean user interface. Overall aesthetic appeal should not be overlooked, either. It is not just a matter of looking good, as a well-designed editor with the right choice of font and colors helps keep eyestrain down and lets you be more productive. In today’s development environment, a steep learning curve is a liability, regardless of feature set. Time is always valuable, so a good editor should be easy to get used to. Ideally, the programmer should be able to start work immediately, without having to jump through too many hoops. A Swiss army knife is a practical and useful tool, yet anyone can master it in minutes. Likewise, for programming editors, simplicity is a virtue.
User Interface, Features, and Workflow
Let’s take a closer look at UI, different features and capabilities, and frequently used tools that should be a part of any programming editor. Line numbers, of course, should be on by default and simple to turn on or off. Snippets are useful for inserting standardized blocks of text in a fixed layout. However, programming is a lot about saying things just once, so be careful with snippets as they might make your code hard to maintain in the future. The ability to lint, or syntax-check, the current file is useful, as is the ability to launch it. Without this facility, a programmer must switch to an external command line window, choose and run the correct command, and then step through error messages to find the source of the error. However, the linting must be under the programmer’s control, because the delay incurred by the lint might interrupt the coder at a crucial moment. Inline doc is useful as long as it does not get in the way, but having a browser page open on the class definitions is sometimes more useful, especially when there are lots of related classes that do not directly extend each other. It is easy enough to cut and paste code from the browser documentation to the code being written, so the additional complexity of inline documentation often becomes less useful, indeed, more annoying, as the programmer’s knowledge of the documentation increases. Word-completion is helpful since it is fast, and almost as reliable as in-edit documentation, while being less intrusive. It is satisfying to enter just a few characters of a word and then hit enter to get the rest. Otherwise, one labors under the strain of excess typing, abhorred by lazy programmers, who want to type
ee rather than the more lengthy
exponentialFunctionSquared. Word completion satisfies by minimizing typing, enforcing coherent naming and by not getting in the way. Renaming variables and functions across the program is useful, but you need to be able to review changes and make sure your code is not broken. Again, word completion is a useful halfway house, in that it works for all languages; you can use long names for items that have long lifetimes, without incurring a typing overhead. You can use references to them via a shorter name locally, in order to shorten expressions which might otherwise spread over too many lines. If you need to rename, the long names are unique, so this approach works across all languages, and all files. Source files can sometimes grow a lot. Code-folding is a nice feature that simplifies reading through long files. Find/change with scope limitation to local, incremental, or global with meta characters and regular expressions are part of the minimum requirement these days, as is syntax highlighting.
Overview of Popular Programming Editors
Over the years, I went through a number of editors, and this is what I think of them:
- Emacs: One of the most popular editors in the world. Emacs’ greatest feature is its extensibility, despite the complexity of its extension language (you can even play Tetris in it with
M-x tetris). Emacs fans consider its terminal-based interface to be a great feature, while others might debate that it’s a drawback. In my personal experience, I found it too much to adopt and learn. I am sure that if you know how to use Emacs you will never use anything else, but to take on and learn the entire culture was more than I wanted to do. Nevertheless, its popularity among developers proves that it is far from being a relic of the old times, and remains part of our future as well.
- Vi/Vim: Vim is another powerful terminal-based editor, and it comes standard with most xNIX operating systems. Apart from having a different interface than Emacs, my view is practically the same. If you grew up on it, I am sure you will never use anything else. Having Vi skills will make your life much simpler when operating through SSH and other tight spots, and you wont have problems with speed, once you get familiar with keystrokes. While not as tough to crack into as Emacs, the learning curve is still quite steep, and it could definitely use few nice features of a windowed editor.
- SublimeText: True to its name, SublimeText is a beautiful text editor with tons of features. Unlike some similar editors, SublimeText is closed source, so it cannot be modified at a low level. SublimeText offers the simplicity of traditional text editors, with a lean and fast UI. Many developers find it easier to use than Vim, and this is especially true of newcomers. The learning curve just isn’t as steep. While the UI is minimal and straightforward, SublimeText does offer a few nifty features, such as a scaled down display code on the right of the UI, allowing users to quickly scroll through their code and navigate with relative ease. While it’s not completely free, the feature-limited demo version is. Unlocking all the features will cost you $70.
- Nano: Excellent in a tight corner, but not feature-rich enough to prevent the inevitable thought creeping into one’s mind that there must be faster way to do this as one struggles through the keystrokes to indent a block of code, while keeping the comments lined up in column 80! It does not even have text highlighting, and should not be used for anything more than config file changes.
- jEdit: Java-based, and considered slow by some. Out of the box configuration might push certain people away, but jEdit can be extremely fast if configured properly, as well as extremely nice looking.
- Eclipse: Another widely used IDE, Eclipse is very popular among Java developers, but has been adapted to many different platforms. We could argue that its monolithic architecture is a rock that will pull it under the water, but it is still one of the most popular platforms among developers.
- Aptana Studio: A comprehensive open-source web application IDE. It is available as an Eclipse plugin, which makes it popular among some Java developers. The standalone version is even leaner, and offers a range of different themes and customization options. Aptana’s project management capabilities may also come in handy to coders who honed their skills in Eclipse. While earlier versions suffered from performance issues on some hardware platforms, these problems were addressed in Aptana Studio 3, and should be a thing of the past.
- NetBeans: Another relatively popular open-source IDE with cross-platform support. It is somewhat slower on startup than lean editors like SublimeText, and the choice of add-ons is limited compared to some alternatives. Many Java developers have grown to love NetBeans thanks to seamless SCM integration and HTML5 support. NetBeans support for PHP has also improved in the latest releases.
- JetBrains: Offers a family of IDEs for Java, Ruby, Python and PHP. They are all based on the same core engine. Very capable in its own right, JetBrains IDEs have been gaining a growing following. However, they are not free, open-source solutions, although a 30-day trial is available, and pricing is reasonable.
- Komodo Edit: Komodo Edit has great potential, and yet it’s full of annoying little “gotchas” and idiosyncrasies that can be frustrating by its lack of orthogonality. Komodo Edit feels cluttered, which is a shame because it clearly has immense capability. I keep going back to Komodo Edit in the hopes that I have missed some organizing principle, and every time, I am beaten back by a welter of disorganized capability.
- Geany: Geany is not a major power player like many of the other editors in this list. It is defined more by “what it is not” than “what it is.” It is not slow, it does not have a lot of heritage from the old days, it does not have a macro capability, or much of a multi window on buffer capability. Yet the things it does do, it does well enough. It is, perhaps, the least demanding of all the editors that I tried and still can do 90 percent of what you would expect from a programmer’s editor. Geany looks good enough on Ubuntu, which is one of the reason I chose it as my preferred editor.
It would be presumptuous to declare just one as the best programming editor among these great tools. And there are quite a few editors I did not even try. There is no one-size-fits-all solution. This is what compelled me to try out a number of different editors. I currently am using Geany, but it’s because it fits the requirements I have. With Geany, and a lot of help from Perl/Gimp/Audacity/Sox, I am able to develop and maintain the Java code-base for the Android appsI develop, prepare them for compilation in different configurations for multiple distributors, source, lint, compile, dex and produce
.apk files, and deliver these apps globally. Your line of development might set a different set of requirements, and I hope I saved you some time in researching for the most appropriate programming editors.
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