void PersistEngine::read(PersistObject *&object) throw(PersistException)
{
uint32_t id = 0;
read(id);
// Is the ID a NULL object?
if (id == NullObject) {
object = NULL;
return;
}
// Do we already have this object in memory?
if (id < myArchiveVector.size()) {
object = myArchiveVector[id];
return;
}
// Okay - read the identifier for the class in...
std::string className = readClass();
// is the pointer already initialized? if so then no need to reallocate
if (object != NULL) {
readObject(object);
return;
}
// Create the object (of the relevant type)
object = TypeManager::createInstanceOf(className.c_str());
if (object) {
// Okay then - we can make this object
readObject(object);
}
else
throw(PersistException(std::string("Unable to instantiate object of class ")+className));
}
Type *BinReader::readType()
{
int startPosition = bytes->getPosition();
const char *stype = readPoolString();
const char *packageName = readPoolString();
const char *name = readPoolString();
int typeID = bytes->readInt();
const char *source = readPoolString();
int linenumber = bytes->readInt();
utString fullname = packageName;
fullname += ".";
fullname += name;
TypeIndex *tindex = *(types.get(utHashedString(fullname)));
Type *type = tindex->type;
type->setTypeID((LSTYPEID)typeID);
type->packageName = packageName;
type->fullName = fullname;
if (!strcmp(stype, "CLASS"))
{
type->attr.isClass = true;
}
else if (!strcmp(stype, "INTERFACE"))
{
type->attr.isInterface = true;
}
else if (!strcmp(stype, "STRUCT"))
{
type->attr.isStruct = true;
}
else if (!strcmp(stype, "DELEGATE"))
{
type->attr.isDelegate = true;
}
else if (!strcmp(stype, "ENUM"))
{
type->attr.isEnum = true;
}
else
{
lmAssert(0, "Unknown type: %s", stype);
}
readClass(type);
return type;
}
ClassFile* loadClass(Interpretador* interpretador, char* className) {
ClassFile* cFile = getClassFileByName(interpretador->initClass, className);
printf("PEGOU PELO NOME\n");
if (cFile == NULL) {
cFile = readClass(className);
appendClassList(&(interpretador->initClass), *cFile);
// Inicia <clinit>
if (getMethod(*cFile, "<clinit>", "()V") != NULL) {
printf("\n\nVAI INICIAR CLINIT\n");
methodInit(className, "<clinit>", "()V", interpretador, 0, 0);
methodExec(interpretador);
}
}
return cFile;
}
void PersistEngine::read(PersistObject &object) throw(PersistException)
{
uint32_t id = 0;
read(id);
if (id == NullObject)
throw("Object Id should not be NULL when un-persisting to a reference");
// Do we already have this object in memory?
if (id < myArchiveVector.size()) {
object = *(myArchiveVector[id]);
return;
}
// Okay - read the identifier for the class in...
// we won't need it later since this object is already allocated
readClass();
// Okay then - we can read data straight into this object
readObject(&object);
}
//[cf]
//[of]:main
int main(int argc, char *argv[])
{
if( argc != 2 )
{
puts("usage: db2html <docbook_file>");
return 1;
}
ax_initialize((void*)malloc, (void*)free);
AXClassContext classContext;
int res = ax_initializeClassParser(&classContext);
if( res != 0 )
return 1;
AXElementClass* docbookClass = readClass(schemaFilename, &classContext);
if( docbookClass == NULL )
return 1;
AXParseContext parseContext;
res = ax_initializeParser(&parseContext, chunkSize);
if( res != 0 )
return 1;
AXElement* book = readDocument(argv[1], &parseContext, docbookClass);
if( book == NULL )
{
printAsmXmlError(&parseContext);
return 1;
}
DocbookToHTML db;
db.processBook(book);
puts(db.toString());
// Release the document and its class
ax_releaseParser(&parseContext);
ax_releaseClassParser(&classContext);
return 0;
}
///////////////////////////////////////////////////////////////////////////////
// main
///////////////////////////////////////////////////////////////////////////////
int main(int argc, char *argv[])
{
int res;
AXClassContext classContext;
AXParseContext parseContext;
AXElementClass* friendClass;
AXElement* friends;
AXElement* friend;
// Initialize the AsmXml library
//
// Pass the malloc() and free() functions
//
ax_initialize(malloc, free);
// Initialize the class context
//
// It can store one or more classes. Classes read with this
// context are kept in memory as long as it is not released.
//
res = ax_initializeClassParser(&classContext);
// An error while initialization means that allocation failed.
// It should never happen since it allocates only 4K.
if( res != 0 )
return 1;
// Read the schema and compile it
//
friendClass = readClass(schemaFilename, &classContext);
if( friendClass == NULL )
return 1;
// Initialize the parser
//
// Documents read with this parser will stay in memory as long as
// the parser is not released.
//
// The choice of the chunk size is very important since the
// performance can be affected by this value. The parser allocates
// memory by chunks to reduce calls to malloc that can be very slow.
// The ideal value is around 50% of the source XML to process.
//
res = ax_initializeParser(&parseContext, chunkSize);
// An error while initialization means that initial allocation failed.
if( res != 0 )
return 1;
// Read the file and parse it
//
friends = readDocument(xmlFilename, &parseContext, friendClass);
if( friends == NULL )
{
printAsmXmlError(&parseContext);
return 1;
}
// Enumerate child elements
friend = friends->firstChild;
while( friend )
{
printf("================================\n");
printf("Friend ID: %s\n", asString(&friend->attributes[0]));
printf("Name: %s\n", asString(&friend->attributes[1]));
printf("UserID: %s\n", asString(&friend->attributes[2]));
friend = friend->nextSibling;
printf("================================\n");
}
// Release the document and its class
ax_releaseParser(&parseContext);
ax_releaseClassParser(&classContext);
return 0;
}
Notes: I'm not sure this implementation fully satisfies JVM specification.
The loading is too complex.....
*/
struct Hjava_lang_Class*
java_lang_ClassLoader_defineClass0(struct Hjava_lang_ClassLoader* this, struct Hjava_lang_String* name, HArrayOfByte* data, jint offset, jint length)
{
Hjava_lang_Class* clazz;
classFile hand;
hand.base = &unhand(data)->body[offset];
hand.buf = hand.base;
hand.size = length;
clazz = (Hjava_lang_Class*)newObject(ClassClass);
clazz = readClass(clazz, &hand, this);
processClass(clazz, CSTATE_PREPARED);
return clazz;
}
/*
* Resolve classes reference by this class.
*/
void
java_lang_ClassLoader_resolveClass0(struct Hjava_lang_ClassLoader* this, struct Hjava_lang_Class* class)
{
processClass(class, CSTATE_LINKED);
}