72766 - when *source compiling* output messages to prevent ITD on enums/annotations

org.aspectj.ajdt.core/src/org/aspectj/ajdt/internal/compiler/ast/InterTypeConstructorDeclaration.java

@@ -184,6 +184,8 @@ public class InterTypeConstructorDeclaration extends InterTypeDeclaration {
 
 
 
+
+	  
 	public EclipseTypeMunger build(ClassScope classScope) {
 		EclipseFactory world = EclipseFactory.fromScopeLookupEnvironment(classScope);
 		
@@ -192,6 +194,9 @@ public class InterTypeConstructorDeclaration extends InterTypeDeclaration {
 		
 		binding = classScope.referenceContext.binding.resolveTypesFor(binding);
 				
+		if (isTargetAnnotation(classScope,"constructor")) return null; // Error message output in isTargetAnnotation
+		if (isTargetEnum(classScope,"constructor")) return null;       // Error message output in isTargetEnum
+		
 		if (onTypeBinding.isInterface()) {
 			classScope.problemReporter().signalError(sourceStart, sourceEnd,
 							"can't define constructors on interfaces");

org.aspectj.ajdt.core/src/org/aspectj/ajdt/internal/compiler/ast/InterTypeDeclaration.java

@@ -40,6 +40,11 @@ public abstract class InterTypeDeclaration extends AjMethodDeclaration {
 	protected ResolvedTypeMunger munger;
 	protected int declaredModifiers;
 	protected char[] declaredSelector;
+	
+	// XXXAJ5 - When the compiler is changed, these will exist somewhere in it...
+	private final static short ACC_ANNOTATION   = 0x2000;
+	private final static short ACC_ENUM         = 0x4000;
+
 
 	public InterTypeDeclaration(CompilationResult result, TypeReference onType) {
 		super(result);
@@ -56,6 +61,35 @@ public abstract class InterTypeDeclaration extends AjMethodDeclaration {
 		this.selector = CharOperation.concat(selector, Integer.toHexString(sourceStart).toCharArray());
 	}
 	
+	/**
+	 * Checks that the target for the ITD is not an annotation.  If it is, an error message
+	 * is signaled.  We return true if it is annotation so the caller knows to stop processing.
+	 * kind is 'constructor', 'field', 'method'
+	 */
+	public boolean isTargetAnnotation(ClassScope classScope,String kind) {
+		if ((onTypeBinding.getAccessFlags() & ACC_ANNOTATION)!=0) { 
+			classScope.problemReporter().signalError(sourceStart,sourceEnd,
+			  "can't make inter-type "+kind+" declarations on annotation types.");
+			ignoreFurtherInvestigation = true;
+			return true;
+		}
+		return false;
+	}
+	
+	/**
+	 * Checks that the target for the ITD is not an enum.  If it is, an error message
+	 * is signaled.  We return true if it is enum so the caller knows to stop processing.
+	 */
+	public boolean isTargetEnum(ClassScope classScope,String kind) {
+		if ((onTypeBinding.getAccessFlags() & ACC_ENUM)!=0) { 
+			classScope.problemReporter().signalError(sourceStart,sourceEnd,
+			  "can't make inter-type "+kind+" declarations on enum types.");
+			ignoreFurtherInvestigation = true;
+			return true;
+		}
+		return false;
+	}
+	
 	public void resolve(ClassScope upperScope) {
 		if (ignoreFurtherInvestigation) return;
 		

org.aspectj.ajdt.core/src/org/aspectj/ajdt/internal/compiler/ast/InterTypeFieldDeclaration.java

@@ -153,6 +153,9 @@ public class InterTypeFieldDeclaration extends InterTypeDeclaration {
 		binding = classScope.referenceContext.binding.resolveTypesFor(binding);
 		if (ignoreFurtherInvestigation) return null;
 		
+		if (isTargetAnnotation(classScope,"field")) return null; // Error message output in isTargetAnnotation
+		if (isTargetEnum(classScope,"field")) return null; // Error message output in isTargetEnum
+		
 		if (!Modifier.isStatic(declaredModifiers)) {
 			super.binding.parameters = new TypeBinding[] {
 				onTypeBinding,

org.aspectj.ajdt.core/src/org/aspectj/ajdt/internal/compiler/ast/InterTypeMethodDeclaration.java

@@ -117,6 +117,9 @@ public class InterTypeMethodDeclaration extends InterTypeDeclaration {
 			//return null;
 			throw new AbortCompilationUnit(compilationResult,null);
 		}
+		if (isTargetAnnotation(classScope,"method")) return null; // Error message output in isTargetAnnotation
+		if (isTargetEnum(classScope,"method")) return null; // Error message output in isTargetEnum
+		
 		ResolvedMember sig = new ResolvedMember(Member.METHOD, EclipseFactory.fromBinding(onTypeBinding),
 			declaredModifiers, EclipseFactory.fromBinding(binding.returnType), new String(declaredSelector),
 			EclipseFactory.fromBindings(binding.parameters),