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how to implement the for instruction [message #1027605]

Wed, 27 March 2013 07:07

samar sousou

Messages: 63
Registered: March 2013

Member

Hi ,
I am looking for how implement a for loop in atl transformation.
I need an exemple.

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Re: how to implement the for instruction [message #1027648 is a reply to message #1027605]

Wed, 27 March 2013 08:16

Federico Toledo

Messages: 97
Registered: April 2012
Location: Ciudad Real, Spain

Member

Hi, you have what you need in the manual

http://wiki.eclipse.org/ATL/User_Guide_-_The_ATL_Language#The_for_statement

kind regards

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Re: how to implement the for instruction [message #1027655 is a reply to message #1027648]

Wed, 27 March 2013 08:30

samar sousou

Messages: 63
Registered: March 2013

Member

But how to emplement it in the code ATL, where and how! in rules or in helpers!! because there is an error when i implement it.

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Re: how to implement the for instruction [message #1027675 is a reply to message #1027655]

Wed, 27 March 2013 09:03

Federico Toledo

Messages: 97
Registered: April 2012
Location: Ciudad Real, Spain

Member

here http://www.eclipse.org/atl/ you have a section with basic examples, and another very useful called "ATL transformations Zoo". Check them out

otherwise, share your error here

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Re: how to implement the for instruction [message #1027900 is a reply to message #1027675]

Wed, 27 March 2013 15:12

samar sousou

Messages: 63
Registered: March 2013

Member

hi,
can I do like this!!

helper context XML!Element def: getStringValue(m : String) : Sequence(XML!Element) =
XML!Element.allInstances() -> select (p |
p.oclIsTypeOf(XML!Element) and p.name='a'and p.getStringAttrValue('name')= m )->asSequence();

helper context XML!Element def: getText(m : String) : String =
for(p in Xml!Element.getStringValue(m)) {
if not(p->isUndefined())
p.getStringDataValue()
else
''
endif
};

but as a response i have empty attribute

[Updated on: Wed, 27 March 2013 15:20]

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