1 files changed, 32 insertions, 0 deletions
diff --git a/extraplugins/alf09/org.eclipse.papyrus.alf/src/org/eclipse/papyrus/alf/syntax/expressions/UnaryExpression.java b/extraplugins/alf09/org.eclipse.papyrus.alf/src/org/eclipse/papyrus/alf/syntax/expressions/UnaryExpression.java
new file mode 100644
index 00000000000..53e22260150
--- /dev/null
+++ b/extraplugins/alf09/org.eclipse.papyrus.alf/src/org/eclipse/papyrus/alf/syntax/expressions/UnaryExpression.java
@@ -0,0 +1,32 @@
+package org.eclipse.papyrus.alf.syntax.expressions;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.eclipse.papyrus.alf.syntax.common.AssignedSource;
+
+public class UnaryExpression extends Expression {
+
+	// Synthesized Properties
+	public Expression operand ;
+	public String operator ;
+	
+	// Constraints
+	
+	/*
+	 * The assignments before the operand of a unary expression are the same as those before the unary
+	 * 	expression.
+	 */
+	public void checkUnaryExpressionAssignmentsBefore() {
+		
+	}
+	
+	//Helper Operations
+	/*
+	 * By default, the assignments after a unary expression are the same as those after its operand expression.
+	 */
+	public List<AssignedSource> updateAssignments() {
+		return new ArrayList<AssignedSource>() ;
+	}
+	
+}