protected RubyValue doStep(RubyValue toArg, RubyValue stepArg, RubyBlock block) {
if ((toArg instanceof RubyFixnum) && (stepArg instanceof RubyFixnum)) {
int i = this.value_;
int end = ((RubyFixnum) toArg).value_;
int diff = ((RubyFixnum) stepArg).value_;
if (diff > 0) {
while (i <= end) {
RubyValue v = block.invoke(this, ObjectFactory.createFixnum(i));
if (block.breakedOrReturned()) {
return v;
}
i += diff;
}
} else {
while (i >= end) {
RubyValue v = block.invoke(this, ObjectFactory.createFixnum(i));
if (block.breakedOrReturned()) {
return v;
}
i += diff;
}
}
return this;
}
return super.doStep(toArg, stepArg, block);
}
// @RubyLevelMethod(name="each_index")
public RubyValue each_index(RubyBlock block) {
for (int i = 0; i < size(); i++) {
RubyValue v = block.invoke(this, new RubyFixnum(i));
if (block.breakedOrReturned()) {
return v;
}
}
return this;
}
// @RubyLevelMethod(name="reverse_each")
public RubyValue reverse_each(RubyBlock block) {
ListIterator /*<RubyValue>*/ ite = array_.listIterator(array_.size());
while (ite.hasPrevious()) {
RubyValue v = block.invoke(this, (RubyValue) ite.previous());
if (block.breakedOrReturned()) {
return v;
}
}
return this;
}
// @RubyLevelMethod(name="each")
public RubyValue each(RubyBlock block) {
// for (RubyValue item : array_) {
for (Iterator iter = array_.iterator(); iter.hasNext(); ) {
RubyValue item = (RubyValue) iter.next();
RubyValue v = block.invoke(this, item);
if (block.breakedOrReturned()) {
return v;
}
}
return this;
}
public RubyValue times(RubyBlock block) {
int value = this.value_;
for (int i = 0; i < value; ++i) {
RubyValue v = block.invoke(this, ObjectFactory.createFixnum(i));
if (block.breakedOrReturned()) {
return v;
}
}
return this;
}
@RubyLevelMethod(name = "loop", module = true)
public static RubyValue loop(RubyValue receiver, RubyArray args, RubyBlock block) {
if (null == block) {
throw new RubyException(RubyRuntime.LocalJumpErrorClass, "in `loop': no block given");
}
for (; ; ) {
RubyValue v = block.invoke(receiver, args);
if (block.breakedOrReturned()) {
return v;
}
}
}
