Karser example Calculator Language

calclang.karser.kts

language("CalculatorLang") {
  val inputFieldConcept = concept("InputField") {
    implements(INamedConcept)
    editor {
      collection(CollectionLayout.INDENT){
        stringConstant("Input")
        property("name")
      }
    }
  }

  val inputFieldRefConcept = concept("InputFieldReference") {
    extends(BaseLanguage.Expression)
    ref("field", inputFieldConcept)
    editor {
        ref("field", "name")
    }
  }

  val outputFieldConcept = concept("OutputField"){
    implements(INamedConcept)

    child("expression", BaseLanguage.Expression)

    editor {
      collection(CollectionLayout.INDENT){
        stringConstant("Output")
        child("expression")
      }
    }
  }

  concept("Calculator") {
    implements(INamedConcept)
    isRoot()

    child("input", inputFieldConcept)
    child("output", outputFieldConcept) {
      isOptional = true
    }

    editor {
      collection(CollectionLayout.INDENT){
        stringConstant("Calculator")
        property("name")
      }
    }
  }
}