private static boolean checkMethodUsedByBaseClassOrInterface(
BytecodeMethod mtd, ByteCodeClass cls) {
if (cls == null) {
return false;
}
if (cls.getBaseInterfacesObject() != null) {
for (ByteCodeClass bc : cls.getBaseInterfacesObject()) {
for (BytecodeMethod m : bc.getMethods()) {
if (m.getMethodName().equals(mtd.getMethodName())) {
if (m.isUsedByNative()) {
return true;
}
break;
}
}
}
}
for (BytecodeMethod m : cls.getMethods()) {
if (m.getMethodName().equals(mtd.getMethodName())) {
if (m.isUsedByNative()) {
return true;
}
break;
}
}
return false;
}
private static boolean cullMethods(boolean found) {
for (ByteCodeClass bc : classes) {
bc.unmark();
if (bc.isIsInterface() || bc.getBaseClass() == null) {
continue;
}
for (BytecodeMethod mtd : bc.getMethods()) {
if (mtd.isEliminated()
|| mtd.isUsedByNative()
|| mtd.isMain()
|| mtd.getMethodName().equals("__CLINIT__")
|| mtd.getMethodName().equals("finalize")
|| mtd.isNative()) {
continue;
}
if (!isMethodUsed(mtd)) {
if (isMethodUsedByBaseClassOrInterface(mtd, bc)) {
continue;
}
found = true;
mtd.setEliminated(true);
/*if(ByteCodeTranslator.verbose) {
System.out.println("Eliminating method: " + mtd.getClsName() + "." + mtd.getMethodName());
}*/
}
}
}
return found;
}
private static void generateClassAndMethodIndexHeader(File outputDirectory) throws Exception {
int classOffset = 0;
int methodOffset = 0;
ArrayList<BytecodeMethod> methods = new ArrayList<BytecodeMethod>();
for (ByteCodeClass bc : classes) {
bc.setClassOffset(classOffset);
classOffset++;
methodOffset = bc.updateMethodOffsets(methodOffset);
methods.addAll(bc.getMethods());
}
StringBuilder bld = new StringBuilder();
StringBuilder bldM = new StringBuilder();
bldM.append("#include \"cn1_class_method_index.h\"\n");
bldM.append("#include \"cn1_globals.h\"\n\n");
bld.append("#ifndef __CN1_CLASS_METHOD_INDEX_H__\n#define __CN1_CLASS_METHOD_INDEX_H__\n\n");
bld.append("// maps to offsets in the constant pool below\nextern int classNameLookup[];\n");
bldM.append("// maps to offsets in the constant pool below\nint classNameLookup[] = {");
boolean first = true;
for (ByteCodeClass bc : classes) {
if (first) {
bldM.append("\n ");
} else {
bldM.append(",\n ");
}
first = false;
bldM.append(addToConstantPool(bc.getClsName().replace('_', '.')));
bldM.append("");
}
bldM.append("};\n\n");
for (ByteCodeClass bc : classes) {
bld.append("#define cn1_class_id_");
bld.append(bc.getClsName());
bld.append(" ");
bld.append(bc.getClassOffset());
bld.append("\n");
}
int arrayId = classes.size() + 1;
bld.append("#define cn1_array_start_offset ");
bld.append(arrayId);
bld.append("\n");
// leave space for primitive arrays
arrayId += 100;
for (ByteCodeClass bc : classes) {
bld.append("#define cn1_array_1_id_");
bld.append(bc.getClsName());
bld.append(" ");
bld.append(arrayId);
bld.append("\n");
arrayId++;
bld.append("#define cn1_array_2_id_");
bld.append(bc.getClsName());
bld.append(" ");
bld.append(arrayId);
bld.append("\n");
arrayId++;
bld.append("#define cn1_array_3_id_");
bld.append(bc.getClsName());
bld.append(" ");
bld.append(arrayId);
bld.append("\n");
arrayId++;
/*bld.append("#define cn1_array_4_id_");
bld.append(bc.getClsName());
bld.append(" ");
bld.append(arrayId);
bld.append("\n");
arrayId++;*/
}
bld.append("\n\n");
bld.append("// maps to offsets in the constant pool below\nextern int methodNameLookup[];\n");
bldM.append("// maps to offsets in the constant pool below\nint methodNameLookup[] = {");
first = true;
for (BytecodeMethod m : methods) {
if (first) {
bldM.append("\n ");
} else {
bldM.append(",\n ");
}
first = false;
bldM.append(addToConstantPool(m.getMethodName()));
bldM.append("");
}
bldM.append("};\n\n");
ArrayList<Integer> instances = new ArrayList<Integer>();
int counter = 0;
for (ByteCodeClass bc : classes) {
/*bld.append("extern int classInstanceOfArr");
bld.append(counter);
bld.append("[];\n");*/
bldM.append("int classInstanceOfArr");
bldM.append(counter);
bldM.append("[] = {");
counter++;
appendClassOffset(bc, instances);
for (Integer i : instances) {
bldM.append(i);
bldM.append(", ");
}
instances.clear();
bldM.append("-1};\n");
}
bld.append("extern int *classInstanceOf[];\n");
bldM.append("int *classInstanceOf[");
bldM.append(classes.size());
bldM.append("] = {");
first = true;
counter = 0;
for (ByteCodeClass bc : classes) {
if (first) {
bldM.append("\n ");
} else {
bldM.append(",\n ");
}
first = false;
bldM.append("classInstanceOfArr");
bldM.append(counter);
counter++;
}
bldM.append("};\n\n");
bld.append("#define CN1_CONSTANT_POOL_SIZE ");
bld.append(constantPool.size());
bld.append("\n\nextern const char * const constantPool[];\n");
bldM.append("\n\nconst char * const constantPool[] = {\n");
first = true;
int offset = 0;
for (String con : constantPool) {
if (first) {
bldM.append("\n \"");
} else {
bldM.append(",\n \"");
}
first = false;
try {
bldM.append(encodeString(con));
} catch (Throwable t) {
t.printStackTrace();
System.out.println("Error writing the constant pool string: '" + con + "'");
System.exit(1);
}
bldM.append("\" /* ");
bldM.append(offset);
offset++;
bldM.append(" */");
}
bldM.append("};\n\nint classListSize = ");
bldM.append(classes.size());
bldM.append(";\n");
for (ByteCodeClass bc : classes) {
bldM.append("extern struct clazz class__");
bldM.append(bc.getClsName().replace('/', '_').replace('$', '_'));
bldM.append(";\n");
}
bldM.append("\n\nstruct clazz* classesList[] = {");
first = true;
for (ByteCodeClass bc : classes) {
if (first) {
bldM.append("\n ");
} else {
bldM.append(",\n ");
}
first = false;
bldM.append(" &class__");
bldM.append(bc.getClsName().replace('/', '_').replace('$', '_'));
}
bldM.append("};\n\n\n");
// generate the markStatics method
for (ByteCodeClass bc : classes) {
bc.appendStaticFieldsExtern(bldM);
}
bldM.append(
"\n\nextern int recursionKey;\nvoid markStatics(CODENAME_ONE_THREAD_STATE) {\n recursionKey++;\n");
for (ByteCodeClass bc : classes) {
bc.appendStaticFieldsMark(bldM);
}
bldM.append("}\n\n");
bld.append("\n\n#endif // __CN1_CLASS_METHOD_INDEX_H__\n");
FileOutputStream fos =
new FileOutputStream(new File(outputDirectory, "cn1_class_method_index.h"));
fos.write(bld.toString().getBytes("UTF-8"));
fos.close();
fos = new FileOutputStream(new File(outputDirectory, "cn1_class_method_index.m"));
fos.write(bldM.toString().getBytes("UTF-8"));
fos.close();
}
