fix for pr 48522, not warning on (un)softened exception

org.aspectj.ajdt.core/src/org/aspectj/ajdt/internal/compiler/problem/AjProblemReporter.java

@@ -32,6 +32,7 @@ import org.eclipse.jdt.internal.compiler.ast.AstNode;
 import org.eclipse.jdt.internal.compiler.impl.CompilerOptions;
 import org.eclipse.jdt.internal.compiler.impl.ReferenceContext;
 import org.eclipse.jdt.internal.compiler.lookup.MethodBinding;
+import org.eclipse.jdt.internal.compiler.lookup.ReferenceBinding;
 import org.eclipse.jdt.internal.compiler.lookup.SourceTypeBinding;
 import org.eclipse.jdt.internal.compiler.lookup.TypeBinding;
 import org.eclipse.jdt.internal.compiler.problem.ProblemReporter;
@@ -71,6 +72,13 @@ public class AjProblemReporter extends ProblemReporter {
 			
 			for (Iterator i = world.getWorld().getDeclareSoft().iterator(); i.hasNext(); ) {
 				DeclareSoft d = (DeclareSoft)i.next();
+				// We need the exceptionType to match the type in the declare soft statement
+				// This means it must either be the same type or a subtype
+				ResolvedTypeX throwException = world.fromEclipse((ReferenceBinding)exceptionType);
+				FuzzyBoolean isExceptionTypeOrSubtype = 
+					d.getException().matchesInstanceof(throwException);
+				if (!isExceptionTypeOrSubtype.alwaysTrue() ) continue;
+
 				if (callSite != null) {
 					FuzzyBoolean match = d.getPointcut().match(callSite);
 					if (match.alwaysTrue()) {

tests/ajcTests.xml

@@ -6821,5 +6821,18 @@
         	<message kind="error" line="20" text="incompatible type"/>
         </compile>
     </ajc-test>
+    
+    <ajc-test dir="bugs" pr="49250"
+      title="alias getCause for getWrappedThrowable in SoftException">
+        <compile files="GetCauseOnSoftException.java" options="-Xlint:warning">
+        </compile>
+        <run vm="1.3" class="GetCauseOnSoftException"/>
+    </ajc-test>
 
+    <ajc-test dir="bugs" pr="48522"
+      title="Declare soft softening other exception types">
+        <compile files="SofteningTooMuch.java">
+ 	        <message kind="error" line="6" text="Unhandled exception"/>
+        </compile>
+    </ajc-test>
 </suite>

tests/bugs/SofteningTooMuch.java

@@ -0,0 +1,15 @@
+
+// pr 48522
+
+public class SofteningTooMuch {
+	public static void main(String args[]) {
+		throw new Exception("should be a compiler error here");
+	}
+}
+
+class FooException extends Exception {}
+
+aspect ExcPolicy {
+	declare soft: FooException: execution(* SofteningTooMuch.*(..));
+}
+