AST fixes: 110465 - from helen.

org.aspectj.ajdt.core/src/org/aspectj/org/eclipse/jdt/core/dom/AjASTConverter.java

@@ -72,12 +72,16 @@ public class AjASTConverter extends ASTConverter {
 			adviceDecl = new org.aspectj.org.eclipse.jdt.core.dom.AfterAdviceDeclaration(this.ast);
 		} else if (adviceDeclaration.kind.equals(AdviceKind.AfterThrowing)){
 			adviceDecl = new AfterThrowingAdviceDeclaration(this.ast);
+			if (adviceDeclaration.extraArgument != null) {
 			SingleVariableDeclaration throwing = convert(adviceDeclaration.extraArgument);
 			((AfterThrowingAdviceDeclaration)adviceDecl).setThrowing(throwing);
+			}
 		} else if (adviceDeclaration.kind.equals(AdviceKind.AfterReturning)){
 			adviceDecl = new AfterReturningAdviceDeclaration(this.ast);
+			if (adviceDeclaration.extraArgument != null) {
 			SingleVariableDeclaration returning = convert(adviceDeclaration.extraArgument);
 			((AfterReturningAdviceDeclaration)adviceDecl).setReturning(returning);
+			} 
 		} else if (adviceDeclaration.kind.equals(AdviceKind.Around)){
 			adviceDecl = new AroundAdviceDeclaration(this.ast);
 			// set the returnType

org.aspectj.ajdt.core/testsrc/org/aspectj/tools/ajc/ASTVisitorTest.java

@@ -102,10 +102,18 @@ public class ASTVisitorTest extends TestCase {
 		check("aspect A {pointcut a();after():a(){}}",
 				"(compilationUnit(aspect(simpleName)(pointcut(simpleName))(afterAdvice(simpleName)(block))))");
 	}
+	public void testAfterThrowingAdviceWithNoArgument() {
+		check("aspect A {pointcut a();after()throwing:a(){} }",
+				"(compilationUnit(aspect(simpleName)(pointcut(simpleName))(afterThrowingAdvice(simpleName)(block))))");
+	}
 	public void testAfterThrowingAdvice() {
 		check("aspect A {pointcut a();after()throwing(Exception e):a(){} }",
 				"(compilationUnit(aspect(simpleName)(pointcut(simpleName))(afterThrowingAdvice(simpleName)(simpleName)(simpleName)(block))))");
 	}
+	public void testAfterReturningAdviceWithNoArgument() {
+		check("aspect A {pointcut a();after()returning:a(){}}",
+				"(compilationUnit(aspect(simpleName)(pointcut(simpleName))(afterReturningAdvice(simpleName)(block))))");
+	}
 	public void testAfterReturningAdvice() {
 		check("aspect A {pointcut a();after()returning(Object o):a(){}}",
 				"(compilationUnit(aspect(simpleName)(pointcut(simpleName))(afterReturningAdvice(simpleName)(simpleName)(simpleName)(block))))");