Re: ctags as a source for gtags

[Shigio YAMAGUCHI]

Hi,

> gtags -vv -f x/src/main/scala/Message.scala

Arguments are unnecessary to gtags command.

Please do like follows.

$ gtags -v

By the way, it seems that ctags does not support Scala language.

So, you need to do the following two at least.

1. write a Scala parser for ctags.

2. write mapping definitions for Scala to 'gtags.conf'.

I don't know about 1.

The 2. is simple. Just adding the following to 'gtags.conf'.

[/usr/local/share/gtags/gtags.conf]

...

:langmap=Scala\:.scala:\

:gtags_parser=Scala\:/usr/local/lib/gtags/exuberant-ctags.la:\

Good luck.

2014/1/21 Felix Geller <address@hidden>

Hi,

I'm trying to use ctags as a source for gtags for scala files, but am not getting any tags in gtags while ctags finds them. For example:

gtags only prints a warning:

gtags -vv -f x/src/main/scala/Message.scala
Tue Jan 21 11:31:41 NZDT 2014] Gtags started.
 Using config file '/usr/local/share/gtags/gtags.conf'.
 Using plug-in parser.
 Using '.x/src/main/scala/Message.scala' as a file list.
[Tue Jan 21 11:31:41 NZDT 2014] Creating 'GTAGS' and 'GRTAGS'.

[... Lots of warnings ...]

Warning: 'trait Message {' not found. ignored.

But ctags is happily identifying the name:

ctags -x x/src/main/scala/Message.scala                   
Message       traits      220 ./x/src/main/scala/Message.scala trait Message {

Looking through the archives I found that missing GTAGSCONF or GTAGSLABEL might be a problem, but they are set:

set | ag GTA 
GTAGSCONF=/usr/local/share/gtags/gtags.conf
GTAGSLABEL=ctags

And there is a ctags label for excuberant tags in my /usr/local/share/gtags/gtags.conf

What might be missing? I would appreciate any help to debug this :)

Thanks!

Felix

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Shigio YAMAGUCHI <address@hidden>

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