• DoctypeDeclaration{http://etl.sf.net/etl/doctype/0.2.1}:
  • publicId: "-//IDN etl.sf.net//ETL//Grammar 0.2.1"
• Grammar{http://etl.sf.net/etl/grammar/0.2.1}:
  • name:
    • calculator
    • CalculatorBasic
  • content:
    • Namespace{http://etl.sf.net/etl/grammar/0.2.1}:
      • defaultModifier:
        • Modifier{http://etl.sf.net/etl/grammar/0.2.1}:
          • value: default
      • prefix: t
      • uri: "http://etl.sf.net/samples/calculator"
    • Context{http://etl.sf.net/etl/grammar/0.2.1}:
      • defaultModifier:
        • Modifier{http://etl.sf.net/etl/grammar/0.2.1}:
          • value: default
      • name: Expressions
      • content:
        • OperatorDefinition{http://etl.sf.net/etl/grammar/0.2.1}:
          • isComposite:
            • Modifier{http://etl.sf.net/etl/grammar/0.2.1}:
              • value: composite
          • name: NumberLiteral
          • associativity: f
          • syntax:
            • Let{http://etl.sf.net/etl/grammar/0.2.1}:
              • name: value
              • operator: =
              • expression:
                • ChoiceOp{http://etl.sf.net/etl/grammar/0.2.1}:
                  • options:
                    • FloatOp{http://etl.sf.net/etl/grammar/0.2.1}:
                  • options:
                    • IntegerOp{http://etl.sf.net/etl/grammar/0.2.1}:
        • OperatorDefinition{http://etl.sf.net/etl/grammar/0.2.1}:
          • isComposite:
            • Modifier{http://etl.sf.net/etl/grammar/0.2.1}:
              • value: composite
          • name: StringValue
          • associativity: f
          • syntax:
            • ExpressionStatement{http://etl.sf.net/etl/grammar/0.2.1}:
              • syntax:
                • ObjectOp{http://etl.sf.net/etl/grammar/0.2.1}:
                  • name:
                    • ObjectName{http://etl.sf.net/etl/grammar/0.2.1}:
                      • prefix: t
                      • name: StringLiteral
                  • syntax:
                    • Sequence{http://etl.sf.net/etl/grammar/0.2.1}:
                      • syntax:
                        • Let{http://etl.sf.net/etl/grammar/0.2.1}:
                          • name: value
                          • operator: =
                          • expression:
                            • StringOp{http://etl.sf.net/etl/grammar/0.2.1}:
                              • quote: '"'
        • Statement{http://etl.sf.net/etl/grammar/0.2.1}:
          • name: PrintStatement
          • syntax:
            • ExpressionStatement{http://etl.sf.net/etl/grammar/0.2.1}:
              • syntax:
                • Sequence{http://etl.sf.net/etl/grammar/0.2.1}:
                  • syntax:
                    • KeywordStatement{http://etl.sf.net/etl/grammar/0.2.1}:
                      • text: print
            • Let{http://etl.sf.net/etl/grammar/0.2.1}:
              • name: values
              • operator: +=
              • expression:
                • ListOp{http://etl.sf.net/etl/grammar/0.2.1}:
                  • separator: ,
                  • syntax:
                    • Sequence{http://etl.sf.net/etl/grammar/0.2.1}:
                      • syntax:
                        • ExpressionStatement{http://etl.sf.net/etl/grammar/0.2.1}:
                          • syntax:
                            • ExpressionRef{http://etl.sf.net/etl/grammar/0.2.1}:
        • Statement{http://etl.sf.net/etl/grammar/0.2.1}:
          • name: ExpressionStatement
          • syntax:
            • Let{http://etl.sf.net/etl/grammar/0.2.1}:
              • name: value
              • operator: =
              • expression:
                • ExpressionRef{http://etl.sf.net/etl/grammar/0.2.1}:

     1: doctype public "-//IDN etl.sf.net//ETL//Grammar 0.2.1";
     2: grammar calculator.CalculatorBasic {
     3:     namespace default t = "http://etl.sf.net/samples/calculator";
     4:     context default Expressions {
     5:         op composite NumberLiteral(f) {
     6:             @ value = float | integer;
     7:         };
     8:         op composite StringValue(f) {
     9:             ^ t:StringLiteral {
    10:                 @ value = string(quote='"');
    11:             };
    12:         };
    13:         statement PrintStatement {
    14:             % print;
    15:             @ values += list , {
    16:                 expression;
    17:             };
    18:         };
    19:         statement ExpressionStatement {
    20:             @ value = expression;
    21:         };
    22:     };
    23: };