public void handleTransaction(Packet106Transaction par1Packet106Transaction) {
Short short1 = (Short) field_72586_s.lookup(playerEntity.craftingInventory.windowId);
if (short1 != null
&& par1Packet106Transaction.shortWindowId == short1.shortValue()
&& playerEntity.craftingInventory.windowId == par1Packet106Transaction.windowId
&& !playerEntity.craftingInventory.isPlayerNotUsingContainer(playerEntity)) {
playerEntity.craftingInventory.setPlayerIsPresent(playerEntity, true);
}
}
/**
* Create and open a Connection. This Implementation only supports the <code>btl2cap://</code>
* protocol schema. If url begins with <code>btl2cap://localhost</code>, this method call will
* return a <code>javax.bluetooth.L2CAPConnectionNotifier</code>.
*
* @param url The URL for the connection.
* @return A new <code>javax.bluetooth.L2CAPConnection</code> or a <code>
* javax.bluetooth.L2CAPConnectionNotifier</code>
* @throws IllegalArgumentException If a parameter is invalid.
* @throws IOException If some other kind of I/O error occurs.
* @see javax.bluetooth.L2CAPConnection
* @see javax.bluetooth.L2CAPConnectionNotifier
*/
public static Connection open(String url) throws IOException {
try {
if (url.startsWith("btl2cap://localhost:")) {
int endIndex = url.indexOf(';');
String psmString = url.substring(20, endIndex);
Short psmShort = Short.decode(psmString);
short psm = psmShort.shortValue();
return new JSR82ConnectionNotifier(psm);
}
if (url.startsWith("btl2cap://")) {
byte[] bdAddrBytes = new byte[12];
String bdAddrString = url.substring(10, 22);
Long bdAddrLong = Long.decode("0x" + bdAddrString);
long remoteAddrLong = bdAddrLong.longValue();
int endIndex = url.indexOf(';', 22);
String psmString = url.substring(23, endIndex);
Short psmShort = Short.decode(psmString);
short psm = psmShort.shortValue();
BluetoothStack bluetooth = BluetoothStack.getBluetoothStack();
LocalDevice localDev = LocalDevice.getLocalDevice();
DiscoveryAgent discovery = localDev.getDiscoveryAgent();
RemoteDevice remoteDevice = discovery.getRemoteDevice(remoteAddrLong);
if (remoteDevice != null) {
JSR82Channel channel = new JSR82Channel();
bluetooth.connectL2CAPChannel(channel, remoteDevice, psm);
return channel;
} else throw new IllegalArgumentException("Unable to locate Bluetooth Device.");
}
} catch (BluetoothStateException e) {
throw new IOException("" + e);
} catch (HCIException e) {
throw new IOException("" + e);
}
throw new IllegalArgumentException(
"This implementation of Connector only supports btl2cap:// Connections.");
}
public short getAddress(String functionName) throws ProgramException {
Short address = (Short) functions.get(functionName);
if (address != null) {
return address.shortValue();
} else {
String className = functionName.substring(0, functionName.indexOf("."));
if (staticRange.get(className) == null) {
// The class is not implemented by a VM file - search for a
// built-in implementation later. Display a popup to confirm
// this as this is not a feature from the book but a later
// addition.
if (builtInAccessStatus == BUILTIN_ACCESS_UNDECIDED) {
if (hasGUI && gui.confirmBuiltInAccess()) {
builtInAccessStatus = BUILTIN_ACCESS_AUTHORIZED;
} else {
builtInAccessStatus = BUILTIN_ACCESS_DENIED;
}
}
if (builtInAccessStatus == BUILTIN_ACCESS_AUTHORIZED) {
return BUILTIN_FUNCTION_ADDRESS;
}
}
// Either:
// 1.The class is implemented by a VM file and no implementation
// for the function is found - don't override with built-in
// - or -
// 2.The user did not authorize using built-in implementations.
throw new ProgramException(
className
+ ".vm not found "
+ "or function "
+ functionName
+ " not found in "
+ className
+ ".vm");
}
}
/**
* Create a new reader.
*
* @param in the input
* @param out the output
* @param bindings the key bindings to use
* @param term the terminal to use
*/
public ConsoleReader(InputStream in, Writer out, InputStream bindings, Terminal term)
throws IOException {
this.terminal = term;
setInput(in);
this.out = out;
if (bindings == null) {
try {
String bindingFile =
System.getProperty(
"jline.keybindings",
new File(System.getProperty("user.home", ".jlinebindings.properties"))
.getAbsolutePath());
if (new File(bindingFile).isFile()) {
bindings = new FileInputStream(new File(bindingFile));
}
} catch (Exception e) {
// swallow exceptions with option debugging
if (debugger != null) {
e.printStackTrace(debugger);
}
}
}
if (bindings == null) {
bindings = terminal.getDefaultBindings();
}
this.keybindings = new short[Character.MAX_VALUE * 2];
Arrays.fill(this.keybindings, UNKNOWN);
/**
* Loads the key bindings. Bindings file is in the format:
*
* <p>keycode: operation name
*/
if (bindings != null) {
Properties p = new Properties();
p.load(bindings);
bindings.close();
for (Iterator i = p.keySet().iterator(); i.hasNext(); ) {
String val = (String) i.next();
try {
Short code = new Short(val);
String op = (String) p.getProperty(val);
Short opval = (Short) KEYMAP_NAMES.get(op);
if (opval != null) {
keybindings[code.shortValue()] = opval.shortValue();
}
} catch (NumberFormatException nfe) {
consumeException(nfe);
}
}
// hardwired arrow key bindings
// keybindings[VK_UP] = PREV_HISTORY;
// keybindings[VK_DOWN] = NEXT_HISTORY;
// keybindings[VK_LEFT] = PREV_CHAR;
// keybindings[VK_RIGHT] = NEXT_CHAR;
}
}
public void writeBytes(OutputStream os) throws IOException {
// Map between any modified UTF-8 and it's constant pool index.
Map utf8ToIndex = new HashMap();
DataOutputStream dos = new DataOutputStream(os);
TypeArray tags = getTags();
int len = (int) getLength();
int ci = 0; // constant pool index
// collect all modified UTF-8 Strings from Constant Pool
for (ci = 1; ci < len; ci++) {
byte cpConstType = tags.getByteAt(ci);
if (cpConstType == JVM_CONSTANT_Utf8) {
Symbol sym = getSymbolAt(ci);
utf8ToIndex.put(sym.asString(), new Short((short) ci));
} else if (cpConstType == JVM_CONSTANT_Long || cpConstType == JVM_CONSTANT_Double) {
ci++;
}
}
for (ci = 1; ci < len; ci++) {
int cpConstType = (int) tags.getByteAt(ci);
// write cp_info
// write constant type
switch (cpConstType) {
case JVM_CONSTANT_Utf8:
{
dos.writeByte(cpConstType);
Symbol sym = getSymbolAt(ci);
dos.writeShort((short) sym.getLength());
dos.write(sym.asByteArray());
if (DEBUG) debugMessage("CP[" + ci + "] = modified UTF-8 " + sym.asString());
break;
}
case JVM_CONSTANT_Unicode:
throw new IllegalArgumentException("Unicode constant!");
case JVM_CONSTANT_Integer:
dos.writeByte(cpConstType);
dos.writeInt(getIntAt(ci));
if (DEBUG) debugMessage("CP[" + ci + "] = int " + getIntAt(ci));
break;
case JVM_CONSTANT_Float:
dos.writeByte(cpConstType);
dos.writeFloat(getFloatAt(ci));
if (DEBUG) debugMessage("CP[" + ci + "] = float " + getFloatAt(ci));
break;
case JVM_CONSTANT_Long:
{
dos.writeByte(cpConstType);
long l = getLongAt(ci);
// long entries occupy two pool entries
ci++;
dos.writeLong(l);
break;
}
case JVM_CONSTANT_Double:
dos.writeByte(cpConstType);
dos.writeDouble(getDoubleAt(ci));
// double entries occupy two pool entries
ci++;
break;
case JVM_CONSTANT_Class:
{
dos.writeByte(cpConstType);
// Klass already resolved. ConstantPool constains klassOop.
Klass refKls = (Klass) getObjAt(ci);
String klassName = refKls.getName().asString();
Short s = (Short) utf8ToIndex.get(klassName);
dos.writeShort(s.shortValue());
if (DEBUG) debugMessage("CP[" + ci + "] = class " + s);
break;
}
// case JVM_CONSTANT_ClassIndex:
case JVM_CONSTANT_UnresolvedClass:
{
dos.writeByte(JVM_CONSTANT_Class);
String klassName = getSymbolAt(ci).asString();
Short s = (Short) utf8ToIndex.get(klassName);
dos.writeShort(s.shortValue());
if (DEBUG) debugMessage("CP[" + ci + "] = class " + s);
break;
}
case JVM_CONSTANT_String:
{
dos.writeByte(cpConstType);
String str = OopUtilities.stringOopToString(getObjAt(ci));
Short s = (Short) utf8ToIndex.get(str);
dos.writeShort(s.shortValue());
if (DEBUG) debugMessage("CP[" + ci + "] = string " + s);
break;
}
// case JVM_CONSTANT_StringIndex:
case JVM_CONSTANT_UnresolvedString:
{
dos.writeByte(JVM_CONSTANT_String);
String val = getSymbolAt(ci).asString();
Short s = (Short) utf8ToIndex.get(val);
dos.writeShort(s.shortValue());
if (DEBUG) debugMessage("CP[" + ci + "] = string " + s);
break;
}
// all external, internal method/field references
case JVM_CONSTANT_Fieldref:
case JVM_CONSTANT_Methodref:
case JVM_CONSTANT_InterfaceMethodref:
{
dos.writeByte(cpConstType);
int value = getIntAt(ci);
short klassIndex = (short) extractLowShortFromInt(value);
short nameAndTypeIndex = (short) extractHighShortFromInt(value);
dos.writeShort(klassIndex);
dos.writeShort(nameAndTypeIndex);
if (DEBUG)
debugMessage(
"CP[" + ci + "] = ref klass = " + klassIndex + ", N&T = " + nameAndTypeIndex);
break;
}
case JVM_CONSTANT_NameAndType:
{
dos.writeByte(cpConstType);
int value = getIntAt(ci);
short nameIndex = (short) extractLowShortFromInt(value);
short signatureIndex = (short) extractHighShortFromInt(value);
dos.writeShort(nameIndex);
dos.writeShort(signatureIndex);
if (DEBUG)
debugMessage(
"CP[" + ci + "] = N&T name = " + nameIndex + ", type = " + signatureIndex);
break;
}
} // switch
}
dos.flush();
return;
}
private static Short negate(Short v) {
return new Short((short) -v.shortValue());
}
/**
* Creates a vm program. If the given file is a dir, creates a program composed of the vm files in
* the dir. The vm files are scanned twice: in the first scan a symbol table (that maps function &
* label names into addresses) is built. In the second scan, the instructions array is built.
* Throws ProgramException if an error occurs while loading the program.
*/
public void loadProgram(String fileName) throws ProgramException {
File file = new File(fileName);
if (!file.exists()) throw new ProgramException("cannot find " + fileName);
File[] files;
if (file.isDirectory()) {
files = file.listFiles(new HackFileFilter(".vm"));
if (files == null || files.length == 0)
throw new ProgramException("No vm files found in " + fileName);
} else files = new File[] {file};
if (displayChanges) gui.showMessage("Loading...");
// First scan
staticRange.clear();
functions.clear();
builtInAccessStatus = BUILTIN_ACCESS_UNDECIDED;
Hashtable symbols = new Hashtable();
nextPC = 0;
for (int i = 0; i < files.length; i++) {
String name = files[i].getName();
String className = name.substring(0, name.indexOf("."));
// put some dummy into static range - just to tell the function
// getAddress in the second pass which classes exist
staticRange.put(className, new Boolean(true));
try {
updateSymbolTable(files[i], symbols, functions);
} catch (ProgramException pe) {
if (displayChanges) gui.hideMessage();
throw new ProgramException(name + ": " + pe.getMessage());
}
}
boolean addCallBuiltInSysInit = false;
if ((file.isDirectory() || symbols.get("Main.main") != null)
&& symbols.get("Sys.init") == null) {
// If the program is in multiple files or there's a Main.main
// function it is assumed that it should be run by calling Sys.init.
// If no Sys.init is found, add an invisible line with a call
// to Sys.init to start on - the builtin version will be called.
addCallBuiltInSysInit = true;
getAddress("Sys.init"); // confirm calling the built-in Sys.init
++nextPC; // A "call Sys.init 0" line will be added
}
instructions = new VMEmulatorInstruction[nextPC + 4];
// Second scan
nextPC = 0;
currentStaticIndex = Definitions.VAR_START_ADDRESS;
for (int i = 0; i < files.length; i++) {
String name = files[i].getName();
String className = name.substring(0, name.indexOf("."));
largestStaticIndex = -1;
int[] range = new int[2];
range[0] = currentStaticIndex;
try {
// functions is not passed as an argument since it is accessed
// through getAddress()
buildProgram(files[i], symbols);
} catch (ProgramException pe) {
if (displayChanges) gui.hideMessage();
throw new ProgramException(name + ": " + pe.getMessage());
}
currentStaticIndex += largestStaticIndex + 1;
range[1] = currentStaticIndex - 1;
staticRange.put(className, range);
}
instructionsLength = visibleInstructionsLength = nextPC;
if (builtInAccessStatus == BUILTIN_ACCESS_AUTHORIZED) {
// Add some "invisible" code in the end to make everything work
instructionsLength += 4;
if (addCallBuiltInSysInit) {
instructionsLength += 1;
}
short indexInInvisibleCode = 0;
// Add a jump to the end (noone should get here since
// both calls to built-in functions indicate that
// that this is a function-based program and not a script
// a-la proj7, but just to be on the safe side...).
instructions[nextPC] =
new VMEmulatorInstruction(
HVMInstructionSet.GOTO_CODE, (short) instructionsLength, indexInInvisibleCode);
instructions[nextPC].setStringArg("afterInvisibleCode");
nextPC++;
// Add a small infinite loop for built-in
// methods to call (for example when Sys.halt is
// called it must call a non-built-in infinite loop
// because otherwise the current script would not
// finish running - a problem for the OS tests.
instructions[nextPC] = new VMEmulatorInstruction(HVMInstructionSet.LABEL_CODE, (short) -1);
instructions[nextPC].setStringArg("infiniteLoopForBuiltIns");
nextPC++;
infiniteLoopForBuiltInsAddress = nextPC;
instructions[nextPC] =
new VMEmulatorInstruction(HVMInstructionSet.GOTO_CODE, nextPC, ++indexInInvisibleCode);
instructions[nextPC].setStringArg("infiniteLoopForBuiltIns");
nextPC++;
if (addCallBuiltInSysInit) { // Add a call to the built-in Sys.init
instructions[nextPC] =
new VMEmulatorInstruction(
HVMInstructionSet.CALL_CODE,
getAddress("Sys.init"),
(short) 0,
++indexInInvisibleCode);
instructions[nextPC].setStringArg("Sys.init");
startAddress = nextPC;
nextPC++;
}
// Add the label that the first invisible code line jumps to
instructions[nextPC] = new VMEmulatorInstruction(HVMInstructionSet.LABEL_CODE, (short) -1);
instructions[nextPC].setStringArg("afterInvisibleCode");
nextPC++;
}
if (!addCallBuiltInSysInit) {
Short sysInitAddress = (Short) symbols.get("Sys.init");
if (sysInitAddress == null) // Single file, no Sys.init - start at 0
startAddress = 0;
else // Implemented Sys.init - start there
startAddress = sysInitAddress.shortValue();
}
if (displayChanges) gui.hideMessage();
nextPC = startAddress;
setGUIContents();
notifyProgramListeners(ProgramEvent.LOAD, fileName);
}
// Scans the given file and creates symbols for its functions & label names.
private void buildProgram(File file, Hashtable symbols) throws ProgramException {
BufferedReader reader = null;
try {
reader = new BufferedReader(new FileReader(file.getAbsolutePath()));
} catch (FileNotFoundException fnfe) {
throw new ProgramException("file does not exist");
}
int lineNumber = 0;
String line;
String label;
String instructionName;
String currentFunction = null;
short indexInFunction = 0;
byte opCode;
short arg0, arg1;
short pc = nextPC;
HVMInstructionSet instructionSet = HVMInstructionSet.getInstance();
isSlashStar = false;
try {
while ((line = unCommentLine(reader.readLine())) != null) {
lineNumber++;
if (!line.trim().equals("")) {
StringTokenizer tokenizer = new StringTokenizer(line);
instructionName = tokenizer.nextToken();
opCode = instructionSet.instructionStringToCode(instructionName);
if (opCode == HVMInstructionSet.UNKNOWN_INSTRUCTION)
throw new ProgramException(
"in line " + lineNumber + ": unknown instruction - " + instructionName);
switch (opCode) {
case HVMInstructionSet.PUSH_CODE:
String segment = tokenizer.nextToken();
try {
arg0 = translateSegment(segment, instructionSet, file.getName());
} catch (ProgramException pe) {
throw new ProgramException("in line " + lineNumber + pe.getMessage());
}
arg1 = Short.parseShort(tokenizer.nextToken());
if (arg1 < 0)
throw new ProgramException(
"in line " + lineNumber + ": Illegal argument - " + line);
if (arg0 == HVMInstructionSet.STATIC_SEGMENT_CODE && arg1 > largestStaticIndex)
largestStaticIndex = arg1;
instructions[pc] = new VMEmulatorInstruction(opCode, arg0, arg1, indexInFunction);
break;
case HVMInstructionSet.POP_CODE:
int n = tokenizer.countTokens();
segment = tokenizer.nextToken();
try {
arg0 = translateSegment(segment, instructionSet, file.getName());
} catch (ProgramException pe) {
throw new ProgramException("in line " + lineNumber + pe.getMessage());
}
arg1 = Short.parseShort(tokenizer.nextToken());
if (arg1 < 0)
throw new ProgramException(
"in line " + lineNumber + ": Illegal argument - " + line);
if (arg0 == HVMInstructionSet.STATIC_SEGMENT_CODE && arg1 > largestStaticIndex)
largestStaticIndex = arg1;
instructions[pc] = new VMEmulatorInstruction(opCode, arg0, arg1, indexInFunction);
break;
case HVMInstructionSet.FUNCTION_CODE:
currentFunction = tokenizer.nextToken();
indexInFunction = 0;
arg0 = Short.parseShort(tokenizer.nextToken());
if (arg0 < 0)
throw new ProgramException(
"in line " + lineNumber + ": Illegal argument - " + line);
instructions[pc] = new VMEmulatorInstruction(opCode, arg0, indexInFunction);
instructions[pc].setStringArg(currentFunction);
break;
case HVMInstructionSet.CALL_CODE:
String functionName = tokenizer.nextToken();
try {
arg0 = getAddress(functionName);
} catch (ProgramException pe) {
throw new ProgramException("in line " + lineNumber + ": " + pe.getMessage());
}
arg1 = Short.parseShort(tokenizer.nextToken());
if (arg1 < 0
|| ((arg0 < 0 || arg0 > Definitions.ROM_SIZE)
&& arg0 != BUILTIN_FUNCTION_ADDRESS))
throw new ProgramException(
"in line " + lineNumber + ": Illegal argument - " + line);
instructions[pc] = new VMEmulatorInstruction(opCode, arg0, arg1, indexInFunction);
instructions[pc].setStringArg(functionName);
break;
case HVMInstructionSet.LABEL_CODE:
label = currentFunction + "$" + tokenizer.nextToken();
instructions[pc] = new VMEmulatorInstruction(opCode, (short) (-1));
instructions[pc].setStringArg(label);
indexInFunction--; // since Label is not a "physical" instruction
break;
case HVMInstructionSet.GOTO_CODE:
label = currentFunction + "$" + tokenizer.nextToken();
Short labelAddress = (Short) symbols.get(label);
if (labelAddress == null)
throw new ProgramException("in line " + lineNumber + ": Unknown label - " + label);
arg0 = labelAddress.shortValue();
if (arg0 < 0 || arg0 > Definitions.ROM_SIZE)
throw new ProgramException(
"in line " + lineNumber + ": Illegal argument - " + line);
instructions[pc] = new VMEmulatorInstruction(opCode, arg0, indexInFunction);
instructions[pc].setStringArg(label);
break;
case HVMInstructionSet.IF_GOTO_CODE:
label = currentFunction + "$" + tokenizer.nextToken();
labelAddress = (Short) symbols.get(label);
if (labelAddress == null)
throw new ProgramException("in line " + lineNumber + ": Unknown label - " + label);
arg0 = labelAddress.shortValue();
if (arg0 < 0 || arg0 > Definitions.ROM_SIZE)
throw new ProgramException(
"in line " + lineNumber + ": Illegal argument - " + line);
instructions[pc] = new VMEmulatorInstruction(opCode, arg0, indexInFunction);
instructions[pc].setStringArg(label);
break;
// All other instructions have either 1 or 0 arguments and require no
// special treatment
default:
if (tokenizer.countTokens() == 0) {
instructions[pc] = new VMEmulatorInstruction(opCode, indexInFunction);
} else {
arg0 = Short.parseShort(tokenizer.nextToken());
if (arg0 < 0)
throw new ProgramException(
"in line " + lineNumber + ": Illegal argument - " + line);
instructions[pc] = new VMEmulatorInstruction(opCode, arg0, indexInFunction);
}
break;
}
// check end of command
if (tokenizer.hasMoreTokens())
throw new ProgramException("in line " + lineNumber + ": Too many arguments - " + line);
pc++;
indexInFunction++;
}
nextPC = pc;
}
reader.close();
} catch (IOException ioe) {
throw new ProgramException("Error while reading from file");
} catch (NumberFormatException nfe) {
throw new ProgramException("Illegal 16-bit value");
} catch (NoSuchElementException nsee) {
throw new ProgramException("In line " + lineNumber + ": unexpected end of command");
}
if (isSlashStar) {
throw new ProgramException("Unterminated /* comment at end of file");
}
}
