Allow the additional parameter for constructor wrappers occur at every place

git-svn-id: https://svn.code.sf.net/p/jode/code/trunk@1253 379699f6-c40d-0410-875b-85095c16579e

jode/jode/expr/InvokeOperator.java

@@ -170,9 +170,9 @@ public final class InvokeOperator extends Operator
 		} catch (IOException ex) {
 		    classInfo.guess(ClassInfo.OUTERCLASS);
 		}
+		checkAnonymousClasses();
 	    }
 	}
-	checkAnonymousClasses();
     }
 
     public final boolean isStatic() {
@@ -200,8 +200,7 @@ public final class InvokeOperator extends Operator
 	    || (Options.options & Options.OPTION_ANON) == 0)
 	    return;
 	if (classInfo != null
-	    && classInfo.isMethodScoped()
-	    && classInfo.getClassName() == null)
+	    && classInfo.isMethodScoped())
 	    methodAnalyzer.addAnonymousConstructor(this);
     }
 
@@ -581,6 +580,7 @@ public final class InvokeOperator extends Operator
 	if (getMethodAnalyzer() != null) {
 	    SyntheticAnalyzer synth = getMethodAnalyzer().getSynthetic();
 	    if (synth != null) {
+		int unifyParam = synth.getUnifyParam();
 		Expression op = null;
 		switch (synth.getKind()) {
 		case SyntheticAnalyzer.ACCESSGETFIELD:
@@ -610,9 +610,9 @@ public final class InvokeOperator extends Operator
 					    synth.getReference());
 		    break;
 		case SyntheticAnalyzer.ACCESSCONSTRUCTOR:
-		    if (subExpressions[1] instanceof ConstOperator
+		    if (subExpressions[unifyParam] instanceof ConstOperator
 			&& ((ConstOperator) 
-			    subExpressions[1]).getValue() == null) {
+			    subExpressions[unifyParam]).getValue() == null) {
 			op = new InvokeOperator(methodAnalyzer, CONSTRUCTOR, 
 						synth.getReference());
 		    }
@@ -622,8 +622,9 @@ public final class InvokeOperator extends Operator
 		if (op != null) {
 		    if (subExpressions != null) {
 			for (int i=subExpressions.length; i-- > 0; ) {
-			    if (i == 1 && synth.getKind() 
-				== SyntheticAnalyzer.ACCESSCONSTRUCTOR)
+			    if (synth.getKind() 
+				== SyntheticAnalyzer.ACCESSCONSTRUCTOR
+				&& i == unifyParam)
 				// skip the null param.
 				continue;
 			    op = op.addOperand(subExpressions[i]);

jode/jode/jvm/SyntheticAnalyzer.java

@@ -28,6 +28,7 @@ import jode.bytecode.Instruction;
 import jode.bytecode.MethodInfo;
 import jode.bytecode.Opcodes;
 import jode.bytecode.Reference;
+import jode.bytecode.TypeSignature;
 import jode.type.Type;
 import jode.type.MethodType;
 
@@ -49,6 +50,8 @@ public class SyntheticAnalyzer implements Opcodes {
     public final static int ACCESSCONSTRUCTOR = 8;
     
     int kind = UNKNOWN;
+
+    int unifyParam;
     Reference reference;
     ClassInfo classInfo;
     MethodInfo method;
@@ -78,6 +81,14 @@ public class SyntheticAnalyzer implements Opcodes {
 	return reference;
     }
 
+    /**
+     * Gets the index of the dummy parameter for an ACCESSCONSTRUCTOR.
+     * Normally the 1 but for inner classes it may be 2.
+     */
+    public int getUnifyParam() {
+	return unifyParam;
+    }
+
     private static final int[] getClassOpcodes = {
 	opc_aload, opc_invokestatic, opc_areturn, 
 	opc_astore, opc_new, opc_dup, opc_aload, 
@@ -376,10 +387,11 @@ public class SyntheticAnalyzer implements Opcodes {
 
     public boolean checkConstructorAccess() {
 	BasicBlocks bb = method.getBasicBlocks();
+	String[] paramTypes
+	    = TypeSignature.getParameterTypes(method.getType());
 	Handler[] excHandlers = bb.getExceptionHandlers();
 	if (excHandlers != null && excHandlers.length != 0)
 	    return false;
-	Block[] blocks = bb.getBlocks();
 	Block startBlock = bb.getStartBlock();
 	if (startBlock == null)
 	    return false;
@@ -389,19 +401,22 @@ public class SyntheticAnalyzer implements Opcodes {
 	Iterator iter = startBlock.getInstructions().iterator();
 	if (!iter.hasNext())
 	    return false;
-	Instruction instr = (Instruction) iter.next();
-	if (instr.getOpcode() != opc_aload || instr.getLocalSlot() != 0)
-	    return false;
-	if (!iter.hasNext())
-	    return false;
-	instr = (Instruction) iter.next();
 
-	// slot begins with 2.  Slot 1 contains a dummy value, that
-	// is used so that the constructor has a different type signature.
-	int params = 0, slot = 2;
+	unifyParam = -1;
+	Instruction instr = (Instruction) iter.next();
+	int params = 0, slot = 0;
 	while (instr.getOpcode() >= opc_iload
-	       && instr.getOpcode() <= opc_aload
-	       && instr.getLocalSlot() == slot) {
+	       && instr.getOpcode() <= opc_aload) {
+	    if (instr.getLocalSlot() > slot
+		&& unifyParam == -1 && params > 0
+		&& paramTypes[params-1].charAt(0) == 'L') {
+		unifyParam = params;
+		params++;
+		slot++;
+	    }
+	    if (instr.getLocalSlot() != slot)
+		return false;
+
 	    params++;
 	    slot += (instr.getOpcode() == opc_lload 
 		     || instr.getOpcode() == opc_dload) ? 2 : 1;
@@ -409,6 +424,13 @@ public class SyntheticAnalyzer implements Opcodes {
 		return false;
 	    instr = (Instruction) iter.next();
 	}
+	if (unifyParam == -1
+	    && params > 0 && params <= paramTypes.length
+	    && paramTypes[params-1].charAt(0) == 'L') {
+	    unifyParam = params;
+	    params++;
+	    slot++;
+	}
 	if (instr.getOpcode() == opc_invokespecial) {
 	    Reference ref = instr.getReference();
 	    String refClazz = ref.getClazz().substring(1);
@@ -420,11 +442,15 @@ public class SyntheticAnalyzer implements Opcodes {
 	    MethodType refType = Type.tMethod(ref.getType());
 	    if ((refMethod.getModifiers() & modifierMask) != Modifier.PRIVATE
 		|| !refMethod.getName().equals("<init>")
-		|| refType.getParameterTypes().length != params)
-		return false;
+		|| unifyParam == -1
+		|| refType.getParameterTypes().length != params - 2)
+		return false;	    
 	    if (iter.hasNext())
 		return false;
-	    /* For valid bytecode the types matches automatically */
+	    /* We don't check if types matches.  No problem since we only
+	     * need to make sure, this constructor doesn't do anything 
+	     * more than relay to the real one.
+	     */
 	    reference = ref;
 	    kind = ACCESSCONSTRUCTOR;
 	    return true;