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I lost my arithmetics ;) [message #1758698]

Fri, 31 March 2017 17:55

Rodrigo Ruiz

Messages: 28
Registered: March 2017

Junior Member

Hi guys,
i'm implementing a very basic grammar, extending xbase, but when doing so i lost all arithmetic operations (!).
Would you be so kind to take a look at my (probably messed up) grammar and see if you spot the issue?

grammar cityfox.CLang with org.eclipse.xtext.xbase.Xbase

generate cLang "http://www.CLang.cit"

Model:
	'pack'  name=QualifiedName
	(imports+=XImportSection)*
	(sections+=Section)*;

Section:
	 Command |Method
;	
	
Command returns Section:
	{Command} 'Command' 
	name=ID  
				arguments=ArgDefinition? 
				('require' '['
				              (requires+=RequireExpression)*
				']')?
				(block=XBlockExpression)
;

RequireExpression:
	type=JvmTypeReference name=ID ':' kind=('threaded'|'service' )
;

Method returns Section:
	{Method} 'def' type=JvmTypeReference name=ID args=ArgDefinition (block=XBlockExpression)?
	;

ArgDefinition:
	{ArgDefinition}'(' (args+=Argument (',' args+=Argument)*)? ')'
;
Argument:
	type=JvmTypeReference name=ID
;

when typing simple XExpressions like

val a=1+2

i get: "+ cannot be resolved"

Any tip is very appreciated.
Regards

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Re: I lost my arithmetics ;) [message #1758701 is a reply to message #1758698]

Fri, 31 March 2017 18:13

Christian Dietrich

Messages: 14664
Registered: July 2009

Senior Member

this might have todo with that you do in your inferrer. so: what do you do in your inferrer.
and is your project with the dsl file a java project. and has it xbase.lib on the classpath

Twitter : @chrdietrich
Blog : https://www.dietrich-it.de

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