Fix 500796: Allow for kotlin creating 'synthetic' local variable table entries

bcel-builder/src/org/aspectj/apache/bcel/generic/MethodGen.java

@@ -880,9 +880,19 @@ public class MethodGen extends FieldGenOrMethodGen {
 	}
 
 	/**
-	 * Compute maximum number of local variables.
+	 * Compute maximum number of local variables based on the parameter count and bytecode usage of variables.
 	 */
 	public void setMaxLocals() {
+		setMaxLocals(false);
+	}
+	
+	/**
+	 * Compute maximum number of local variables.
+	 * 
+	 * @param respectLocalVariableTable if true and the local variable table indicates more are in use
+	 * than the code suggests, respect the higher value from the local variable table data.
+	 */
+	public void setMaxLocals(boolean respectLocalVariableTable) {
 		if (il != null) {
 			int max = isStatic() ? 0 : 1;
 
@@ -903,10 +913,13 @@ public class MethodGen extends FieldGenOrMethodGen {
 					}
 				}
 			}
-
-			maxLocals = max;
+			if (!respectLocalVariableTable || max > maxLocals) {
+				maxLocals = max;
+			}
 		} else {
-			maxLocals = 0;
+			if (!respectLocalVariableTable) {
+				maxLocals = 0;
+			}
 		}
 	}
 

tests/src/org/aspectj/systemtest/ajc150/AnnotationBinding.java

@@ -18,6 +18,7 @@ import junit.framework.Test;
 import org.aspectj.asm.AsmManager;
 import org.aspectj.asm.IHierarchy;
 import org.aspectj.asm.IProgramElement;
+import org.aspectj.asm.IRelationship;
 import org.aspectj.asm.internal.Relationship;
 import org.aspectj.testing.XMLBasedAjcTestCase;
 
@@ -313,7 +314,7 @@ public class AnnotationBinding extends XMLBasedAjcTestCase {
 					"declare @method: int A.m() : @Fruit(\"orange\")");
 			assertTrue("Couldn't find 'declare @method' element in the tree", ipe != null);
 
-			List l = asm.getRelationshipMap().get(ipe);
+			List<IRelationship> l = asm.getRelationshipMap().get(ipe);
 			assertTrue("Should have a relationship but does not ", l.size() > 0);
 
 			ipe = top.findElementForLabel(top.getRoot(), IProgramElement.Kind.DECLARE_ANNOTATION_AT_METHOD,
@@ -343,7 +344,7 @@ public class AnnotationBinding extends XMLBasedAjcTestCase {
 					"declare @field: int A.i : @Fruit(\"orange\")");
 			assertTrue("Couldn't find 'declare @type' element in the tree", ipe != null);
 
-			List l = asm.getRelationshipMap().get(ipe);
+			List<IRelationship> l = asm.getRelationshipMap().get(ipe);
 			assertTrue("Should have a relationship but does not ", l.size() > 0);
 
 			ipe = top.findElementForLabel(top.getRoot(), IProgramElement.Kind.DECLARE_ANNOTATION_AT_FIELD,
@@ -375,7 +376,7 @@ public class AnnotationBinding extends XMLBasedAjcTestCase {
 					"declare @constructor: A.new(java.lang.String) : @Fruit(\"pear\")");
 			assertTrue("Couldn't find 'declare @constructor' element in the tree", ipe != null);
 
-			List l = asm.getRelationshipMap().get(ipe);
+			List<IRelationship> l = asm.getRelationshipMap().get(ipe);
 			assertTrue("Should have a relationship but does not ", l.size() > 0);
 
 			ipe = top.findElementForLabel(top.getRoot(), IProgramElement.Kind.DECLARE_ANNOTATION_AT_CONSTRUCTOR,

tests/src/org/aspectj/systemtest/ajc150/GenericITDsDesign.java

@@ -15,6 +15,7 @@ import org.aspectj.apache.bcel.util.ClassPath;
 import org.aspectj.apache.bcel.util.SyntheticRepository;
 import org.aspectj.testing.XMLBasedAjcTestCase;
 import org.aspectj.tools.ajc.Ajc;
+import org.aspectj.weaver.ConcreteTypeMunger;
 import org.aspectj.weaver.CrosscuttingMembers;
 import org.aspectj.weaver.ReferenceType;
 import org.aspectj.weaver.ResolvedMember;
@@ -75,12 +76,12 @@ public class GenericITDsDesign extends XMLBasedAjcTestCase {
 				.equals(sig));
 	}
 
-	public List /* BcelTypeMunger */getTypeMunger(String classname) {
+	public List<ConcreteTypeMunger> getTypeMunger(String classname) {
 		ClassPath cp = new ClassPath(ajc.getSandboxDirectory() + File.pathSeparator + System.getProperty("java.class.path"));
 		recentWorld = new BcelWorld(cp.toString());
 		ReferenceType resolvedType = (ReferenceType) recentWorld.resolve(classname);
 		CrosscuttingMembers cmembers = resolvedType.collectCrosscuttingMembers(true);
-		List tmungers = cmembers.getTypeMungers();
+		List<ConcreteTypeMunger> tmungers = cmembers.getTypeMungers();
 		return tmungers;
 	}
 
@@ -100,9 +101,9 @@ public class GenericITDsDesign extends XMLBasedAjcTestCase {
 		return null;
 	}
 
-	public Hashtable getMeTheFields(String classname) {
+	public Hashtable<String,Field> getMeTheFields(String classname) {
 		JavaClass theClass = getClassFromDisk(ajc, classname);
-		Hashtable retval = new Hashtable();
+		Hashtable<String,Field> retval = new Hashtable<>();
 		org.aspectj.apache.bcel.classfile.Field[] fs = theClass.getFields();
 		for (int i = 0; i < fs.length; i++) {
 			Field field = fs[i];
@@ -206,7 +207,7 @@ public class GenericITDsDesign extends XMLBasedAjcTestCase {
 	// Verifying what gets into a class targetted with a field ITD
 	public void testDesignF() {
 		runTest("generic itds - design F");
-		Hashtable fields = getMeTheFields("C");
+		Hashtable<String,Field> fields = getMeTheFields("C");
 
 		// Declared in src as: List C.list1; and List<Z> C<Z>.list2;
 		Field list1 = (Field) fields.get("list1");// ajc$interField$$list1");
@@ -229,7 +230,7 @@ public class GenericITDsDesign extends XMLBasedAjcTestCase {
 	// Verifying what gets into a class when an interface it implements was targetted with a field ITD
 	public void testDesignG() {
 		runTest("generic itds - design G");
-		Hashtable fields = getMeTheFields("C");
+		Hashtable<String,Field> fields = getMeTheFields("C");
 
 		// The ITDs are targetting an interface. That interface is generic and is parameterized with
 		// 'String' when implemented in the class C. This means the fields that make it into C should

tests/src/org/aspectj/systemtest/ajc150/GenericsTests.java

@@ -875,11 +875,11 @@ public class GenericsTests extends XMLBasedAjcTestCase {
 	 * bridge methods have been created.
 	 */
 	public void checkMethodsExist(String classname,String[] methods) {
-		Set methodsFound = new HashSet();
+		Set<String> methodsFound = new HashSet<>();
 		StringBuffer debugString = new StringBuffer();
 		try {
 			ClassLoader cl = new URLClassLoader(new URL[]{ajc.getSandboxDirectory().toURL()});
-			Class clz = Class.forName(classname,false,cl);
+			Class<?> clz = Class.forName(classname,false,cl);
 			java.lang.reflect.Method[] ms = clz.getDeclaredMethods();
 			if (ms!=null) {
 				for (int i =0;i<ms.length;i++) {
@@ -905,8 +905,7 @@ public class GenericsTests extends XMLBasedAjcTestCase {
 		}
 		StringBuffer unexpectedMethods = new StringBuffer();
 		if (!methodsFound.isEmpty()) {
-			for (Iterator iter = methodsFound.iterator(); iter.hasNext();) {
-				String element = (String) iter.next();
+			for (String element: methodsFound) {
 				unexpectedMethods.append("[").append(element).append("]");
 			}
 			fail("These methods weren't expected: "+unexpectedMethods);
@@ -924,7 +923,7 @@ public class GenericsTests extends XMLBasedAjcTestCase {
             return false;
         }
         try {
-            final Class[] noparms = new Class[0];
+            final Class<?>[] noparms = new Class[0];
             java.lang.reflect.Method isBridge 
                 = java.lang.reflect.Method.class.getMethod("isBridge", noparms);
             Boolean result = (Boolean) isBridge.invoke(m, new Object[0]);
@@ -959,7 +958,6 @@ public class GenericsTests extends XMLBasedAjcTestCase {
 	
 	public static void checkOneSignatureAttribute(Ajc ajc,String classname) {
 		JavaClass clazz = getClass(ajc,classname);
-		Signature sigAttr = null;
 		Attribute[] attrs = clazz.getAttributes();
 		int signatureCount = 0;
 		StringBuffer sb = new StringBuffer();
@@ -981,7 +979,7 @@ public class GenericsTests extends XMLBasedAjcTestCase {
 				sigAttr.getSignature().equals(sig));		
 	}
 		
-	private static String stringify(Class[] clazzes) {
+	private static String stringify(Class<?>[] clazzes) {
 		if (clazzes==null) return "";
 		StringBuffer sb = new StringBuffer();
 		for (int i = 0; i < clazzes.length; i++) {

tests/src/org/aspectj/systemtest/ajc160/SanityTests.java

@@ -94,6 +94,7 @@ public class SanityTests extends org.aspectj.testing.XMLBasedAjcTestCase {
 	// }
 
 	/* For the specified class, check that each method has a stackmap attribute */
+	@SuppressWarnings("unused")
 	private void checkStackMapExistence(String classname, String toIgnore) throws ClassNotFoundException {
 		toIgnore = "_" + (toIgnore == null ? "" : toIgnore) + "_";
 		JavaClass jc = getClassFrom(ajc.getSandboxDirectory(), classname);

tests/src/org/aspectj/systemtest/ajc1610/NewFeatures.java

@@ -31,6 +31,7 @@ public class NewFeatures extends org.aspectj.testing.XMLBasedAjcTestCase {
 		}
 	}
 
+	@SuppressWarnings("unused")
 	public void testMakeSJPOptimizationCollapsedSJPYes14() {
 		this.runTest("makeSJP optimization - Collapsed SJP - Yes 1.4");
 		try {

tests/src/org/aspectj/systemtest/ajc163/Ajc163Tests.java

@@ -11,7 +11,6 @@
 package org.aspectj.systemtest.ajc163;
 
 import java.io.File;
-import java.util.Iterator;
 import java.util.List;
 
 import junit.framework.Test;
@@ -174,9 +173,8 @@ public class Ajc163Tests extends org.aspectj.testing.XMLBasedAjcTestCase {
 		if (whereToLook.getSourceLocation() != null && whereToLook.getSourceLocation().getLine() == line) {
 			return whereToLook;
 		}
-		List kids = whereToLook.getChildren();
-		for (Iterator iterator = kids.iterator(); iterator.hasNext();) {
-			IProgramElement object = (IProgramElement) iterator.next();
+		List<IProgramElement> kids = whereToLook.getChildren();
+		for (IProgramElement object: kids) {
 			if (object.getSourceLocation() != null && object.getSourceLocation().getLine() == line) {
 				return object;
 			}

weaver/src/org/aspectj/weaver/bcel/BcelAdvice.java

@@ -26,7 +26,6 @@ import org.aspectj.apache.bcel.generic.InstructionConstants;
 import org.aspectj.apache.bcel.generic.InstructionFactory;
 import org.aspectj.apache.bcel.generic.InstructionHandle;
 import org.aspectj.apache.bcel.generic.InstructionList;
-import org.aspectj.apache.bcel.generic.InvokeDynamic;
 import org.aspectj.apache.bcel.generic.LineNumberTag;
 import org.aspectj.apache.bcel.generic.LocalVariableTag;
 import org.aspectj.bridge.ISourceLocation;

weaver/src/org/aspectj/weaver/bcel/BcelTypeMunger.java

@@ -44,7 +44,6 @@ import org.aspectj.bridge.MessageUtil;
 import org.aspectj.bridge.WeaveMessage;
 import org.aspectj.bridge.context.CompilationAndWeavingContext;
 import org.aspectj.bridge.context.ContextToken;
-import org.aspectj.weaver.AjAttribute;
 import org.aspectj.weaver.AjcMemberMaker;
 import org.aspectj.weaver.AnnotationAJ;
 import org.aspectj.weaver.AnnotationOnTypeMunger;

weaver/src/org/aspectj/weaver/bcel/LazyMethodGen.java

@@ -1020,7 +1020,8 @@ public final class LazyMethodGen implements Traceable {
 			} else {
 				packBody(gen);
 			}
-			gen.setMaxLocals();
+			
+			gen.setMaxLocals(true); 
 			gen.setMaxStack();
 		} else {
 			gen.setInstructionList(null);

weaver/src/org/aspectj/weaver/bcel/UnwovenClassFile.java

@@ -71,10 +71,10 @@ public class UnwovenClassFile implements IUnwovenClassFile {
 	}
 
 	public void writeUnchangedBytes() throws IOException {
-		writeWovenBytes(getBytes(), Collections.EMPTY_LIST);
+		writeWovenBytes(getBytes(), Collections.<ChildClass>emptyList());
 	}
 
-	public void writeWovenBytes(byte[] bytes, List childClasses) throws IOException {
+	public void writeWovenBytes(byte[] bytes, List<ChildClass> childClasses) throws IOException {
 		writeChildClasses(childClasses);
 
 		// System.err.println("should write: " + getClassName());

weaver/testsrc/org/aspectj/weaver/bcel/WorldTestCase.java

@@ -13,8 +13,6 @@
 package org.aspectj.weaver.bcel;
 
 import java.lang.reflect.Modifier;
-import java.util.Objects;
-import java.util.function.Consumer;
 
 import org.aspectj.weaver.Advice;
 import org.aspectj.weaver.BcweaverTests;