Re: after upgrade etch -> lenny, problem with vim syntax highlighting in bash scripts

[Mart Frauenlob <mart.frauenlob@chello.at>]

On 01.03.2010 12:06, Mart Frauenlob wrote:
> On 28.02.2010 09:29, Mart Frauenlob wrote:

>> after I upgraded from etch to lenny a few days ago (new config files
>> have been installed for vim), I noticed that syntax highlighting for my
>> bash scripts is not working as before.
>>
>> There are some things i've noticed, where of the first is worse to me.
>>
>> 1: If I put the following statement onto a single line, it does not
>> cause problems:
>> RESULT_ARR[IDX++]="[$((m_count++))]=\"${str_attr_name}[$((opt_idx++))]=\\\"${tmp_content}\\\"\""
>>
>> But as soon as i put it into a for loop:
>>
>> for tmp_content in ${str_attr_val}; do
>>
>> RESULT_ARR[IDX++]="[$((m_count++))]=\"${str_attr_name}[$((opt_idx++))]=\\\"${tmp_content}\\\"\""
>> done
>>
>> Everything from the 'done' word is marked with as syntax error, making
>> the whole file unreadable (could turn of syntax highlighting).
>>
>>
>> 2:
>> if [[ $1 = +([[:digit:]]) ]]; then
>>     ...
>> fi
>>
>> is good, but with:
>>
>> case "$1" in
>>     +([[:digit:]])) :
>>     ;;
>> esac
>>
>> the last 2 `]]' are shown in red background (syntax error).
>>
>> 3: This one causes everything after the `'' (single quote) to be
>> rendered as error:
>> [[ $x = *\'* ]] && ...
>>
>>
>> this is my .vimrc:
>>
>> set ts=4
>> set sw=4
>> let g:is_bash= 1
>> let sh_minlines= 500
>>
>> Any ideas how I could get that fixed?
>> Many of my scripts are garbled now. they are more readable without
>> syntax highlighting.

> 
> I've tried to look up this problem with vim syntax highlighting a bit more.
> It seems to me that escaping (single|double quotes?) in any loop
> statement does not work.
> So I've to correct my first report, those escaping problems lead to the
> result, that all following code is formatted as it was inside quotes
> (not rendered as error, like the [[:digit:]] string).
> 
> So this one:
> for tmp_content in ${str_attr_val}; do
> 
> RESULT_ARR[IDX++]="[$((m_count++))]=\"${str_attr_name}[$((opt_idx++))]=\\\"${tmp_content}\\\"\""
> done
> needs a `"' (double quote) added, to become valid for vim (while
> becoming invalid in case of shell syntax).
> Same thing inside an if statement:
> if true; then
> 
> RESULT_ARR[IDX++]="[$((m_count++))]=\"${str_attr_name}[$((opt_idx++))]=\\\"${tmp_content}\\\"\""
> fi
> while inside a case statement it remains rendered valid.
> 
> And this one:
> [[ $x = *\'* ]] &&
> needs `' ]]' to become valid for vim.
> 
> I guess that could be fixed by modifying
> /usr/share/vim/vim71/syntax/sh.vim - but I'm lost on how to.
> It all worked out of the box on sarge and etch.
> Most of the work I do on linux is write bash scripts with vim. This is
> now messed up since the upgrade to lenny.
> Any hints? Please anyone?


Trimming it down more:
var[0]="\"foo bar\"" is valid on a line for itself.

But:
if true; then
    echo "\"foo\""
    var="\"foo bar\""
    var[0]="\"foo bar\""
fi

the 'echo' and the 'var=' escape well, but the 'var[0]=' array member
assignment fails.

Regards

Mart