Some Eclipse Foundation services are deprecated, or will be soon. Please ensure you've read this important communication.
Bug 348199 - NPE at content assist with unordered group
Summary: NPE at content assist with unordered group
Status: CLOSED FIXED
Alias: None
Product: TMF
Classification: Modeling
Component: Xtext (show other bugs)
Version: 2.0.0   Edit
Hardware: PC Linux
: P3 normal (vote)
Target Milestone: SR1   Edit
Assignee: Project Inbox CLA
QA Contact:
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2011-06-03 09:03 EDT by Martin Stockhammer CLA
Modified: 2017-09-19 17:18 EDT (History)
1 user (show)

See Also:
sebastian.zarnekow: indigo+

Attachments
Stacktrace of the NPE (7.18 KB, text/plain)
2011-06-03 09:03 EDT, Martin Stockhammer CLA 		no flags Details
View All Add an attachment (proposed patch, testcase, etc.)

Note You need to log in before you can comment on or make changes to this bug.
Description Martin Stockhammer CLA 2011-06-03 09:03:08 EDT 
Build Identifier: I20110519-1138

A grammar like the following with unordered group yields a NullpointerException after typing STRG-SPACE inside the brackets on: 
defined timeperiod {

}


GRAMMAR:
Timeperiod:
	{Timeperiod}
	'define' 'timeperiod' '{'
	(NL+ time+=TimeDef)*
	( 
	(NL+ 'timeperiod_name' name=UID (NL+ time+=TimeDef)* ) &
	(NL+ 'otherelement' alias=UID (NL+ time+=TimeDef)*)?
	
	)
	NL+ '}';

TimeDef:
	'july' day=INT
;

NL Terminal ist a newline.


NullpointerException:
java.lang.NullPointerException
	at org.eclipse.xtext.ui.editor.contentassist.antlr.AbstractContentAssistParser.getFollowElements(AbstractContentAssistParser.java:94)
	at 

Reproducible: Always
Comment 1 Martin Stockhammer CLA 2011-06-03 09:03:49 EDT 
Created attachment 197299 [details]
Stacktrace of the NPE
Comment 2 Martin Stockhammer CLA 2011-06-03 09:06:18 EDT 
In:
org.eclipse.xtext.ui.editor.contentassist.antlr.AbstractContentAssistParser

LINE 94:
for(AbstractElement consumed: element.getHandledUnorderedGroupElements()) {

The following statement
  element.getHandledUnorderedGroupElements() 
returns null
Comment 3 Sebastian Zarnekow CLA 2011-07-17 13:47:51 EDT 
Fixed in June 24.
Comment 4 Karsten Thoms CLA 2017-09-19 17:06:59 EDT 
Closing all bugs that were set to RESOLVED before Neon.0
Comment 5 Karsten Thoms CLA 2017-09-19 17:18:46 EDT 
Closing all bugs that were set to RESOLVED before Neon.0