Fairly said, I'm sure Guillaume would object - given that it's not
exactly pure in that sense.
As to why the error happens for copy-paste, from what I can see this
removes important linefeeds (if you copy-paste from the same page,
you'll see this when you paste into a standard ASCII editor, eg
notepad); the first two lines join and the Groovy parser tries to
process "def xwiki def context" as one instruction instead of two
instructions.
The only difference now is that the ";" forces the parser to start a new
instruction, so "def xwiki; def context" is processed as two separate
instructions.
IIRC, some platforms treat linefeed differently, so this may not even be
a problem if you use *nix to copy the text.
Perhaps something could be done to make the {code} put hard breaks
between lines though? Then this change (or even the warning) wouldn't
be needed.
-----Original Message-----
From: Vincent Massol [mailto:vincent@massol.net]
Sent: 24 April 2007 13:28
To: xwiki-users(a)objectweb.org
Subject: Re: [xwiki-users] Groovy tutorial in dev guide
Hi Brandon,
On Apr 24, 2007, at 10:24 AM, Esbach, Brandon wrote:
This is a copy-paste problem. If you copy the text
first to a
standard text editor (like notepad), you'll see "def xwiki" and "def
context" are in the same line, unfortunately this is not actually
allowed by the groovy parser UNLESS you put a ";"
after
each line (it's only the first two lines of the class that has this
problem for the example).
I'll add some text to the example to highlight this.
I see you've modified the page on
xwiki.org, cool. However I know for
sure that Groovy purists will not like the change as they consider that
Groovy code shouldn't have any semicolon (";") at all. I know Guillaume
Laforge wouldn't like it for example...
Thus I think we shouldn't add them, especially as they're not necessary.
I don't understand why a copy paste wouldn't work. In any case I'd
prefer a warning rather than having to make the code less good.
WDYT?
Thanks
-Vincent
-----Original Message-----
From: roopesh(a)digitalglue.in [mailto:roopesh@digitalglue.in]
Sent: 24 April 2007 08:20
To: xwiki-users(a)objectweb.org
Subject: [xwiki-users] Groovy tutorial in dev guide
Hi
I tried to follow the Groovy Tutorial given in the developer guide.
But
I couldn't make it run.
(
http://www.xwiki.org/xwiki/bin/view/DevGuide/
GroovyClassHelloWorldTutor
ial)
Instantiating groovy class from velocity threw the foll error :
Error number 4001 in 4: Error while parsing velocity page
Main.HelloWorldFromVelocity Wrapped Exception: Invocation of method
'parseGroovyFromPage' in class com.xpn.xwiki.api.XWiki threw exception
com.xpn.xwiki.XWikiException: Error number 14001 in 14: Failed
compiling groovy script Wrapped Exception: startup failed,
script1177398554781.groovy: 5: unexpected token: xwiki @ line 5,
column 5.
Instantiating groovy from groovy resulted in the foll error :
Error number 4002 in 4: Error while parsing groovy page
Groovy.HelloWorldClassTest Wrapped Exception: startup failed,
Script1.groovy: 3: unexpected token: groovyObject @ line 3, column 68.
(While creating the class I have assigned programming rights to the
user who made the class.) What am I doing wrong.
Thanks and Regards
Roopesh
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