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Programmer's Language-Aware Spell Checker?

Jerry Asher writes "Not all of my coworkers are careful about spelling errors. Sometimes this causes real embarrassment as spelling errors creep into software interfaces. Does anyone know of spell checkers for programming languages? I don't want a text spell checker, I want a programming-language-aware spell checker. A spell checker that I can pass all of my code through and will flag spelling errors in function names, variable names, and comments, but will ignore language keywords, language constructs and expressions, and various programming styles (camel code, or underscores, or...). I want a spell checker that knows that void *functionSigniture(char *myRoutine) contains one spelling error. Does anyone have such a thing for Java or C++? Are there any Eclipse plugins that do this?"

16 of 452 comments (clear)

  1. Eclipse WTP 3.3 Europa seems to do this.. almost. by pringlis · · Score: 5, Informative

    The version of Eclipse I run, Eclipse WTP 3.3, does spell checking on comments as standard. Not for variable, function names and the like though. It's a decent first attempt though. In truth, I turned it off within the first few hours. It underlines any mistakes in red which I find really annoying when scanning code as I keep thinking I've seen syntax errors. More often than not my eyes are drawn to a spelling mistake, which in many cases isn't even really a mistake, which distracts me from what I'm actually trying to look at.

  2. How about eyeball Mk 1? by uucp2 · · Score: 5, Funny

    Some people call using it a "code review". If you are really serious about it, post the code to /. - plenty of people here seem to have time to point out any spelling errors.

    1. Re:How about eyeball Mk 1? by Anonymous Coward · · Score: 5, Insightful

      Um, let me introduce you to the famous spelling mistake: HTTP Referer. How about we let computers and people each do what they're good at. Computers are good at comparing strings in a spell checker, and people are good at producing typos, spelling mistakes, and approving fixes. Discipline isn't the solution, better tools are. (I bet there's a spelling mistake in here -- which proves my point that Opera needs a spell check like Firefox!)

    2. Re:How about eyeball Mk 1? by iapetus · · Score: 5, Insightful

      You're aware of the concept that a bug is cheaper to fix the earlier you spot it? If it's flagged up as soon as it happens I have to rename that one variable in one place, and I can do it at virtually no cost. If it's flagged up after I've finished the work and committed it for review, then I'll need to change it across multiple files (sure, an IDE will do refactorings like that in most cases, but there can be side effects) and recommit. That's a far greater expense.

      --
      ++ Say to Elrond "Hello.".
      Elrond says "No.". Elrond gives you some lunch.
    3. Re:How about eyeball Mk 1? by asc99c · · Score: 5, Funny

      I bet there's a spelling mistake in here
      That's a good bet in a post explicitly pointing out a famous spelling mistake :)
  3. Re:How about the Built-in OS X spell checker? by BadAnalogyGuy · · Score: 5, Funny

    How about the Built-in OS X spell checker?

    We're talking about programming, friend.

  4. Re:May I suggest.... by DarkSkiesAhead · · Score: 5, Insightful

    if you want your code to read like english, you consider a language like COBOL? Not that it would help you with spell checking, per se...

    Responses like this entirely miss the point of the question. Same with the "just review your code" responses. It's not a matter of making the language more readable. It's a matter of making the code more usable. Certainly, correct spelling is pointless without other elements of good code practice. However, bad spelling can add a lot of frustration.

    I joined a project which already had a few misspelled class names. I'm a fast typer and often I've typed out more of a filename than is spelled correctly before hitting tab to complete the name. Needless to say, I've been trained to hit tab earlier for a few choice files. But it's certainly been an irritation. Similarly, I've been confounded more than once when a function or variable couldn't be found by the compiler, only to realize that I'd spelled a word correctly rather than how the actual name was spelled.

    We choose to use English words for our class, function, and variable names for a reason. That reason is mostly defeated by misspelling the English word. A dictionary is a great idea, even for coding languages that don't "read like English".

  5. Re:It's a good question ... by Corporate+Troll · · Score: 5, Informative

    As a non-native English speaker, working in a non-native english speaking team (mainly french speaking people) it is a real problem. The biggest problem happens when you search something and don't find it because you wrote it right and your coworker wrote it wrong. (Or the inverse, I don't claim to be perfect in English)

    Sure, you might say, "Write your code in French", but that's not a solution. My mother tongue is Dutch, we have a German coworker, and you never know if the next guy will be Italian. There is also this team that has to maintain code written by Spanish people.... in Spanish.... and they don't know Spanish. Fun times, if you like to hear them curse....

    In multilingual environments this problem increases drastically.

  6. Re:Eclipse WTP 3.3 Europa seems to do this.. almos by Bastard+of+Subhumani · · Score: 5, Funny

    Also plenty of spellcheckers will ignore one or two letter words.
    So if you use fortran, you're screwed? No change there, then ...
    --
    Only three things are certain; death, taxes, and apocryphal quotations - Ben Franklin.
  7. Re:Eclipse WTP 3.3 Europa seems to do this.. almos by somersault · · Score: 5, Funny

    His next project is to have a handy little helper with a RAM chip avatar. His name is chippy and he comes out with helpful phrases like:

    "You appear to be creating an infinite loop. Would you like me to increment your counter variable?"

    "You appear to be writing a virus, would you like a list of the latest Windows Vista sploits?"

    --
    which is totally what she said
  8. FxCop by Koyaanisqatsi · · Score: 5, Informative

    For .net languages, FxCop does some of this checking, even understanding camel casing and underscores in tokens. And a bunch more, since it is a static code analysis tool.

    http://www.gotdotnet.com/Team/FxCop/

  9. Man Dies Waiting for Eclipse to Launch by Anonymous Coward · · Score: 5, Funny

    Man Dies Waiting for Eclipse to Launch

    A software engineer in San Jose, CA was found dead at his desk yesterday, apparently having died while waiting for his Java editing program, Eclipse, to finish its boot process. Coworkers say the engineer came in that morning vowing to "get Eclipse working on his box or die trying." The last thing anyone heard him say aloud was the cryptic comment: "I see the splash screen is appropriately blue." Nobody knows what he meant. The man was then thought to have fallen asleep, but hours later it was discovered that the engineer had died suddenly of apparent natural causes. The forensics team's investigation that evening was reportedly interrupted unexpectedly when the dead man's Eclipse program suddenly finished launching. The team tried to interact with it to see if they could find clues about the man's death, but the program was unresponsive and the machine ultimately had to be rebooted. At this time, the police commissioner says there is no evidence of foul play, and they currently believe the man simply died of either boredom or frustration.

    1. Re:Man Dies Waiting for Eclipse to Launch by ravenlock · · Score: 5, Informative

      Credit where credit is due -- this is an excerpt from Stevey's Tech News, Issue #1.

  10. ego != good_open_minded_programmer by MindKata · · Score: 5, Insightful

    "Any douche who doesn't realise a misspelt function name will fail to compile clearly hasn't written any code yet."

    You clearly fail to see a programmer can also create their own function names, as well as use other peoples functions. So you prove you are a very inexperienced programmer, (and close minded), which adds weight to the idea you are either young or just arrogant. Also your very apparent need to show hostility, shows a degree of insecurity, where you are over compensating, by verbally hitting out at others, in an attempt to appear to be more knowledgeable than you really are.

    The easiest way to become a better programmer, is to be more open minded. So far you have failed to demonstrate this.

    As a side note, (back in the DOS days of programming), I found the the spell checker in Multiedit very useful (especially when having to work very late at night, after the coffee stopped working! ;)

    --
    There are 10 kinds of people in the world... those who understand binary and those who don't.
    1. Re:ego != good_open_minded_programmer by KavyBoy · · Score: 5, Funny

      From the GP's website when view without Flash:
      We're the do-anything team that specialises in imaginging new ways for you to reach your audience.

      The word "pwned" doesn't spell check correctly either, but it is applicable.

  11. Re:What the fuck is the OP on? by Anonymous Coward · · Score: 5, Funny

    It's in the third word. You missed a letter.