@Override
public void visitLookupSwitchInsn(final Label dflt, final int[] keys, final Label[] labels) {
checkEndCode();
checkStartCode();
checkLabel(dflt, false, "default label");
checkNonDebugLabel(dflt);
if (keys == null || labels == null || keys.length != labels.length) {
throw new IllegalArgumentException("There must be the same number of keys and labels");
}
for (int i = 0; i < labels.length; ++i) {
checkLabel(labels[i], false, "label at index " + i);
checkNonDebugLabel(labels[i]);
}
super.visitLookupSwitchInsn(dflt, keys, labels);
usedLabels.add(dflt);
for (int i = 0; i < labels.length; ++i) {
usedLabels.add(labels[i]);
}
++insnCount;
}
public void visitLookupSwitchInsn(Label label, int[] ints, Label[] labels) {
System.out.println("visitLookupSwitchInsn(" + label + ", " + ints + ", " + labels + ")");
methodVisitor.visitLookupSwitchInsn(label, ints, labels);
}
public void visitLookupSwitchInsn(Label dflt, int[] keys, Label[] labels) {
visitor.visitLookupSwitchInsn(dflt, keys, labels);
}
@Override
public void visitLookupSwitchInsn(Label dflt, int[] keys, Label[] labels) {
mtd.addSwitch(dflt, keys, labels);
super.visitLookupSwitchInsn(dflt, keys, labels);
}
private void buildObjectDispatchMethods(ClassWriter cw) {
String classname = "SVDBPersistenceDelegate";
String full_classname = transform_cls(fTargetPkg) + "/" + classname;
int idx;
Label labels[] = new Label[fClassList.size()];
int indexes[] = new int[fClassList.size()];
Label dflt, endcase;
for (int i = 0; i < fClassList.size(); i++) {
indexes[i] = i;
}
// writeItem Dispatch method
MethodVisitor mv =
cw.visitMethod(
ACC_PUBLIC,
"writeObject",
"(L" + getClassName(Class.class) + ";" + "L" + getClassName(Object.class) + ";)V",
null,
new String[] {fDBWriteException});
for (int i = 0; i < fClassList.size(); i++) {
labels[i] = new Label();
}
dflt = new Label();
endcase = new Label();
// Find the object index
mv.visitVarInsn(ALOAD, THIS_VAR);
mv.visitFieldInsn(
GETFIELD, fBaseClass, "fObjectTypeList", "L" + getClassName(List.class) + ";");
// Class parameter
// fObjectList field
mv.visitVarInsn(ALOAD, 1); // cls parameter
mv.visitMethodInsn(
INVOKEINTERFACE,
getClassName(List.class),
"indexOf",
"(L" + getClassName(Object.class) + ";)I");
// Index now on the stack
mv.visitLookupSwitchInsn(dflt, indexes, labels);
idx = 0;
for (Class c : fClassList) {
mv.visitLabel(labels[idx]);
mv.visitVarInsn(ALOAD, THIS_VAR);
mv.visitVarInsn(ALOAD, 2); // object
mv.visitTypeInsn(CHECKCAST, getClassName(c));
mv.visitMethodInsn(
INVOKESPECIAL,
full_classname,
"write" + getClassLeafName(c),
"(L" + getClassName(c) + ";)V");
mv.visitJumpInsn(GOTO, endcase);
idx++;
}
mv.visitLabel(dflt);
mv.visitVarInsn(ALOAD, THIS_VAR);
mv.visitVarInsn(ALOAD, 2); // object
mv.visitMethodInsn(
INVOKESPECIAL, full_classname, "writeObjectErr", "(L" + getClassName(Object.class) + ";)V");
mv.visitLabel(endcase);
mv.visitInsn(RETURN);
mv.visitMaxs(16, 16);
mv.visitEnd();
// readItem dispatch method
mv =
cw.visitMethod(
ACC_PUBLIC,
"readObject",
"(L"
+ getClassName(ISVDBChildItem.class)
+ ";"
+ "L"
+ getClassName(Class.class)
+ ";"
+ "L"
+ getClassName(Object.class)
+ ";)V",
null,
new String[] {fDBWriteException});
for (int i = 0; i < fClassList.size(); i++) {
labels[i] = new Label();
}
dflt = new Label();
endcase = new Label();
// Find the object index
mv.visitVarInsn(ALOAD, THIS_VAR);
mv.visitFieldInsn(
GETFIELD, fBaseClass, "fObjectTypeList", "L" + getClassName(List.class) + ";");
// Class parameter
// fObjectList field
mv.visitVarInsn(ALOAD, 2); // cls parameter
mv.visitMethodInsn(
INVOKEINTERFACE,
getClassName(List.class),
"indexOf",
"(L" + getClassName(Object.class) + ";)I");
mv.visitLookupSwitchInsn(dflt, indexes, labels);
idx = 0;
for (Class c : fClassList) {
mv.visitLabel(labels[idx]);
//
mv.visitVarInsn(ALOAD, THIS_VAR);
mv.visitVarInsn(ALOAD, 1); // parent
mv.visitVarInsn(ALOAD, 3); // object
mv.visitTypeInsn(CHECKCAST, getClassName(c));
mv.visitMethodInsn(
INVOKESPECIAL,
full_classname,
"read" + getClassLeafName(c),
"(L" + getClassName(ISVDBChildItem.class) + ";" + "L" + getClassName(c) + ";)V");
mv.visitJumpInsn(GOTO, endcase);
idx++;
}
mv.visitLabel(dflt);
mv.visitVarInsn(ALOAD, THIS_VAR);
mv.visitVarInsn(ALOAD, 3); // object
mv.visitMethodInsn(
INVOKESPECIAL, full_classname, "readObjectErr", "(L" + getClassName(Object.class) + ";)V");
mv.visitLabel(endcase);
mv.visitInsn(RETURN);
mv.visitMaxs(4, 4);
mv.visitEnd();
}
private void buildItemDispatchMethods(ClassWriter cw) {
String classname = "SVDBPersistenceDelegate";
String full_classname = transform_cls(fTargetPkg) + "/" + classname;
Label labels[] = new Label[SVDBItemType.values().length];
int indexes[] = new int[SVDBItemType.values().length];
Label dflt, endcase;
for (int i = 0; i < SVDBItemType.values().length; i++) {
indexes[i] = i;
}
// writeItem Dispatch method
MethodVisitor mv =
cw.visitMethod(
ACC_PUBLIC,
"writeSVDBItem",
"(L" + getClassName(ISVDBItemBase.class) + ";)V",
null,
new String[] {fDBWriteException});
for (int i = 0; i < SVDBItemType.values().length; i++) {
labels[i] = new Label();
}
dflt = new Label();
endcase = new Label();
// Retrieve the object type
mv.visitVarInsn(ALOAD, WRITE_OBJ_VAR);
mv.visitMethodInsn(
INVOKEINTERFACE,
getClassName(ISVDBItemBase.class),
"getType",
"()L" + getClassName(SVDBItemType.class) + ";");
mv.visitMethodInsn(INVOKEVIRTUAL, getClassName(SVDBItemType.class), "ordinal", "()I");
mv.visitLookupSwitchInsn(dflt, indexes, labels);
for (SVDBItemType t : SVDBItemType.values()) {
Class c = fTypeClassMap.get(t);
mv.visitLabel(labels[t.ordinal()]);
mv.visitVarInsn(ALOAD, THIS_VAR);
mv.visitVarInsn(ALOAD, WRITE_OBJ_VAR);
mv.visitTypeInsn(CHECKCAST, getClassName(c));
mv.visitMethodInsn(
INVOKESPECIAL, full_classname, "write" + t.name(), "(L" + getClassName(c) + ";)V");
mv.visitJumpInsn(GOTO, endcase);
}
mv.visitLabel(dflt);
mv.visitLabel(endcase);
mv.visitInsn(RETURN);
mv.visitMaxs(16, 16);
mv.visitEnd();
// readItem dispatch method
mv =
cw.visitMethod(
ACC_PUBLIC,
"readSVDBItem",
"(L"
+ getClassName(SVDBItemType.class)
+ ";L"
+ getClassName(ISVDBChildItem.class)
+ ";)L"
+ getClassName(ISVDBItemBase.class)
+ ";",
null,
new String[] {fDBWriteException});
for (int i = 0; i < SVDBItemType.values().length; i++) {
labels[i] = new Label();
}
dflt = new Label();
endcase = new Label();
mv.visitVarInsn(ALOAD, 1); // object type
mv.visitMethodInsn(INVOKEVIRTUAL, getClassName(SVDBItemType.class), "ordinal", "()I");
mv.visitLookupSwitchInsn(dflt, indexes, labels);
for (SVDBItemType t : SVDBItemType.values()) {
Class c = fTypeClassMap.get(t);
mv.visitLabel(labels[t.ordinal()]);
mv.visitVarInsn(ALOAD, THIS_VAR);
mv.visitVarInsn(ALOAD, 2); // parent
mv.visitMethodInsn(
INVOKESPECIAL,
full_classname,
"read" + t.name(),
"(L" + getClassName(ISVDBChildItem.class) + ";)" + "L" + getClassName(c) + ";");
mv.visitJumpInsn(GOTO, endcase);
}
mv.visitLabel(dflt);
mv.visitInsn(ACONST_NULL);
mv.visitLabel(endcase);
mv.visitInsn(ARETURN);
mv.visitMaxs(16, 16);
mv.visitEnd();
}
@Override
public void visitLookupSwitchInsn(Label dflt, int[] keys, Label[] labels) {
_touchBranch();
super.visitLookupSwitchInsn(dflt, keys, labels);
}
public void LOOKUPSWITCH(Label dflt, int[] keys, Label[] labels) {
itsVisitor.visitLookupSwitchInsn(dflt, keys, labels);
}
