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Syntax highlighting doesn't recognize line continuations within VB6 comments. #189

Closed GoogleCodeExporter closed 9 years ago

GoogleCodeExporter commented 9 years ago 
What steps will reproduce the problem?
1.
2.
3.
(Please include HTML, not just your source code)

What is the expected output?  What do you see instead?
I attached a file about the situation. 
The expected output is continues grey whereever (_) used after (').

What version are you using?  On what browser?
I am having this trouble in stackoverflow, im using Mozilla - Firefox

Please provide any additional information below.

Original issue reported on code.google.com by masterka...@gmail.com on 7 Feb 2012 at 9:58

GoogleCodeExporter commented 9 years ago 
http://meta.stackoverflow.com/questions/121497/syntax-highlighting-doesnt-recogn
ize-line-continuations-within-vb6-comments is the link for more info.

Original comment by masterka...@gmail.com on 7 Feb 2012 at 10:00

GoogleCodeExporter commented 9 years ago 
[deleted comment]
GoogleCodeExporter commented 9 years ago 
more info about it : 

  1- lets say we got a code comment in vb6 and its a long one so i need to seperate with using ( _) like;
     'Blablabla bla situation is needed to handled by blablabla situation _ 
      and another blablablabla so we can blablablabla bla and blablablabla _ 
      in the end bla bla blabla.

so this whole text should be rendered as grey but sadly its not. 

After using (') u should be able to check it as string in that line by trimming 
and getting the last 2 chars in that string.
If its ( _) space and underline than use that lines style at the next line too 
or you can look for just last 2 chars if there is a (space + continues sign) 
than u should give the same styling to the next line, but offcourse i'm just 
thinking in vb6 mind.. it may be a little harder or easier in js code or with 
jquery coding also similar problems occur with the C# u might have noticed 
about it.

Just please do something about these continues signs.. Thanks already.

Original comment by masterka...@gmail.com on 10 Feb 2012 at 6:53

GoogleCodeExporter commented 9 years ago 
This is definitely not a published feature of the VB.net grammar and I can't 
find a VB6 grammar, but it seems unlikely to cause confusion so I fixed it at 
http://code.google.com/p/google-code-prettify/source/detail?r=203#

For the record, the relevant portions of the VB.net grammar are quoted below:

According to http://msdn.microsoft.com/en-us/library/aa711643(v=vs.71).aspx

Comment ::= CommentMarker [ Character+ ]
CommentMarker ::= SingleQuoteCharacter | REM
SingleQuoteCharacter ::=
   ' |
   < Unicode left single-quote character (0x2018) |
   < Unicode right single-quote character (0x2019)

and according to http://msdn.microsoft.com/en-us/library/aa711639(v=vs.71).aspx

Character ::= < any Unicode character except a LineTerminator >

so the _ line continuation syntax does not appear to be a publish syntactic 
feature of VB.net.

Original comment by mikesamuel@gmail.com on 30 Mar 2012 at 4:14

GoogleCodeExporter commented 9 years ago 
Thanks so much about this. Its a VB6 feature and it may have joined the
usual VB6 syntax with any update.

Original comment by masterka...@gmail.com on 9 Apr 2012 at 8:10