[Geany] Code folding doesn't work right.

[Lex Trotman]

On 4 August 2010 23:09, Jiří Techet <techet at gmail.com> wrote:
> On Wed, Aug 4, 2010 at 12:32, Daniel Carrera <dcarrera at gmail.com> wrote:
>> On Wed, Aug 4, 2010 at 11:28 AM, Lex Trotman <elextr at gmail.com> wrote:
>>> Ok, thats because they are NEW fold points, the old ones you had
>>> rolled up were removed when you turned the whole file into a string.
>>>
>>> New fold points are always open otherwise as you typed the program it
>>> would fold up on you.
>>
>> I don't understand at all. What is a "new" fold point vs an "old" fold
>> point? I'm talking about functions that have been in the file for more
>> than a day. Isn't that "old" enough? Why does Geany keep unfolding
>> everything? Are you saying that every single function in my program is
>> a "new" fold point? How do I make them old?
>
> I'm not very familiar with perl but I expect you can write something like this:
>
> $foo = "abc
> def
> ghi"
>
> which is a string containing line breaks after "c" and "f".The same is
> possible with python's '''.
>
> Then the new/old thing means this - when you type ", the rest of the
> file becomes a string (well, until it finds the next ") - there is no
> way for the lexer to know that you really don't want to create a
> string containing the code you have in your file after the ". Folds
> don't exist inside strings so the fold you have created (and all the
> fold points) disappears.
>
> Personally I have no idea how to solve this problem. One way would be
> not to display the text after " as string until you type the second "
> but I think many people would be dissatisfied with this behaivor too.
> Anyway, the problem should be discussed at scintilla mailing list - I
> have tested it with SciTE and the same problem exists there as well so
> I seriously doubt it is geany-specific. Or is there some knob in
> scintilla to make this optional?
>

Thanks for trying Scite, I don't have it installed, yes, folding is
determined by the Scintilla lexers.

Cheers
Lex

>>
>>
>>> This isn't a problem with other languages, except for Python triple
>>> quotes, because AFAIK no other language embeds newlines in strings, so
>>> the extent of an opened string is limited to one line and the fold
>>> points don't disappear since they are on other lines.
>>
>>
>> PHP does too, and Ruby as well, and JavaScript, and I suspect probably
>> Lua. So that's at least six languages. It is news to me that you can't
>> have a multi-line string in Java/C/C++. That sounds strange.
>
> In C/C++ you can write either
>
> a = "foo"
>    "bar";
>
> or
>
> a = "foo\
> bar";
>
> In both cases the preprocessor just concatenates the parts of the
> string. The "\" just extends the string by one line so there cannot
> happen anything like what you experience.
>
> Cheers,
>
> Jiri
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