validation - How to add values with backquotes -

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i have create grammar

grammar com.iamsoft.net.validate org.eclipse.xtext.common.terminals  generate validate "http://www.iamsoft.com/net/validate"  model:     netdescription+=descriptionpair+;  descriptionpair:tso; tso:     name=tso_name '='  '"' value=boolean '"';  terminal boolean:     'on' | 'off';   terminal tso_name:     'tso_' id;

and during validation of string

tso_eth1="off"

have following error message

mismatched input '"off"' expecting '"'

but if remove double quotes rule tso, grammar correctly validate string

tso_eth1=off

so how add double quotes grammar?

regards, vladimir

the problem inheritance of terminals grammar contains string rule

depending on if need string terminal rule anywhere else have following options

(1) dont inherit terminals grammar , copy&paste terminal rules , hidden clause terminals grammar grammar

(2) override string rule simething unused e.g. terminal string: '@@@@@@willnenverbecalled@@@@@'

(3) use datatype rule + valueconverter instead of stuff boolean: string , tso: name=tso_name '=' value=boolean;


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