1: doctype public "-//IDN etl.sf.net//ETL//Grammar 0.2.1";
 2: /// This is an expression grammar is imported from main grammars
 3: /// In its turn, this grammar imports main grammar.
 4: grammar net.sf.etl.tests.data.imports.ExpressionGrammar {
 5: 	namespace default i = "http://etl.sf.net/2006/samples/imports/Expression/0.1";
 6: 	import main = "MainGrammar.g.etl";
 7: 	
 8: 	context Expressions {
 9: 		import statements = Statements from main;
 10: 		
 11: 		op composite BlockExpression(f) {
 12: 			@ content += block(statements);
 13: 		};
 14: 
 15: 		op composite Identifier(f) {
 16: 			@ name = identifier;
 17: 		};
 18: 
 19: 		op composite IntegerLiteral(f) {
 20: 			@ value = integer;
 21: 		};
 22: 
 23: 		// priority = 200 below, it here just to check if based number 
 24: 		// works.
 25: 		op UnaryMinusOp(fy,16#C8#,-) {
 26: 			@ value =right;
 27: 		};
 28: 		
 29: 		op UnaryPlusOp(fy,200,+) {
 30: 			@ value =right;
 31: 		};
 32: 		
 33: 		op MultiplyOp(yfx,400,*) {
 34: 			@ multipliers += left; @ multipliers +=right;
 35: 		};
 36: 		
 37: 		op DivideOp(yfx,400,/) {
 38: 			@ dividend = left; @ divisor=right;
 39: 		};
 40: 		
 41: 		op ReminderOp(yfx,400,%) {
 42: 			@ dividend = left; @ divisor=right;
 43: 		};
 44: 		
 45: 		op PlusOp(yfx,500,+) {
 46: 			@ summands += left; @ summands += right;
 47: 		};
 48: 		
 49: 		op MinusOp(yfx,500,-) {
 50: 			@ minuend=left; @ subtrahend=right;
 51: 		};
 52: 	};
 53: };