private IRubyObject prepareRaiseException(Ruby runtime, IRubyObject[] args, Block block) {
if (args.length == 0) {
IRubyObject lastException = errorInfo;
if (lastException.isNil()) {
return new RaiseException(runtime, runtime.getRuntimeError(), "", false).getException();
}
return lastException;
}
IRubyObject exception;
ThreadContext context = getRuntime().getCurrentContext();
if (args.length == 1) {
if (args[0] instanceof RubyString) {
return runtime.getRuntimeError().newInstance(context, args, block);
}
if (!args[0].respondsTo("exception")) {
return runtime.newTypeError("exception class/object expected").getException();
}
exception = args[0].callMethod(context, "exception");
} else {
if (!args[0].respondsTo("exception")) {
return runtime.newTypeError("exception class/object expected").getException();
}
exception = args[0].callMethod(context, "exception", args[1]);
}
if (!runtime.getException().isInstance(exception)) {
return runtime.newTypeError("exception object expected").getException();
}
if (args.length == 3) {
((RubyException) exception).set_backtrace(args[2]);
}
return exception;
}
protected static RubyTime s_mload(IRubyObject recv, RubyTime time, IRubyObject from) {
Ruby runtime = recv.getRuntime();
DateTime dt = new DateTime(DateTimeZone.UTC);
byte[] fromAsBytes = null;
fromAsBytes = from.convertToString().getBytes();
if (fromAsBytes.length != 8) {
throw runtime.newTypeError("marshaled time format differ");
}
int p = 0;
int s = 0;
for (int i = 0; i < 4; i++) {
p |= ((int) fromAsBytes[i] & 0xFF) << (8 * i);
}
for (int i = 4; i < 8; i++) {
s |= ((int) fromAsBytes[i] & 0xFF) << (8 * (i - 4));
}
boolean utc = false;
if ((p & (1 << 31)) == 0) {
dt = dt.withMillis(p * 1000L);
time.setUSec((s & 0xFFFFF) % 1000);
} else {
p &= ~(1 << 31);
utc = ((p >>> 30 & 0x1) == 0x1);
dt = dt.withYear(((p >>> 14) & 0xFFFF) + 1900);
dt = dt.withMonthOfYear(((p >>> 10) & 0xF) + 1);
dt = dt.withDayOfMonth(((p >>> 5) & 0x1F));
dt = dt.withHourOfDay((p & 0x1F));
dt = dt.withMinuteOfHour(((s >>> 26) & 0x3F));
dt = dt.withSecondOfMinute(((s >>> 20) & 0x3F));
// marsaling dumps usec, not msec
dt = dt.withMillisOfSecond((s & 0xFFFFF) / 1000);
time.setUSec((s & 0xFFFFF) % 1000);
}
time.setDateTime(dt);
if (!utc) time.localtime();
from.getInstanceVariables().copyInstanceVariablesInto(time);
return time;
}
