Package org.jruby.runtime

Examples of org.jruby.runtime.BlockCallback

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            }

            final IRubyObject alone = runtime.newSymbol("_alone");
            final IRubyObject separator = runtime.newSymbol("_separator");

            callEach(runtime, context, enumerable, Arity.ONE_ARGUMENT, new BlockCallback() {
                    public IRubyObject call(ThreadContext ctx, IRubyObject[] largs, Block blk) {
                        IRubyObject i = checkArgs(runtime, largs);
                        IRubyObject v;
                        if(arg.state.isNil()) {
                            v = arg.categorize.callMethod(ctx, "call", i);
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            oldHandler = Signal.handle(signal, handler);
        } catch (Exception e) {
            throw runtime.newArgumentError(e.getMessage());
        }

        BlockCallback callback = null;
        if (oldHandler instanceof JRubySignalHandler) {
            JRubySignalHandler jsHandler = (JRubySignalHandler) oldHandler;
            if (jsHandler.blockCallback != null) {
                callback = jsHandler.blockCallback;
            } else {
                return jsHandler.block;
            }
        }
        if (callback == null) {
            callback = new BlockCallback() {
                public IRubyObject call(ThreadContext context, IRubyObject[] args, Block block) {
                    oldHandler.handle(new Signal(handler.signal));
                    return runtime.getNil();
                }
            };
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    public IRubyObject first(ThreadContext context, IRubyObject arg) {
        final Ruby runtime = context.runtime;
        final int num = RubyNumeric.num2int(arg);
        final RubyArray result = runtime.newArray(num);
        try {
            RubyEnumerable.callEach(runtime, context, this, Arity.ONE_ARGUMENT, new BlockCallback() {
                int n = num;
                public IRubyObject call(ThreadContext ctx, IRubyObject[] largs, Block blk) {
                    if (n-- <= 0) throw JumpException.SPECIAL_JUMP;
                    result.append(largs[0]);
                    return runtime.getNil();
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            final Ruby runtime = context.runtime;
            if (size <= 0) throw runtime.newArgumentError("invalid slice size");

            final RubyArray result[] = new RubyArray[]{runtime.newArray(size)};

            RubyEnumerable.callEach(runtime, context, self, Arity.ONE_ARGUMENT, new BlockCallback() {
                public IRubyObject call(ThreadContext ctx, IRubyObject[] largs, Block blk) {
                    result[0].append(largs[0]);
                    if (result[0].size() == size) {
                        block.yield(ctx, result[0]);
                        result[0] = runtime.newArray(size);
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            final Ruby runtime = context.runtime;
            if (size <= 0) throw runtime.newArgumentError("invalid size");

            final RubyArray result = runtime.newArray(size);

            RubyEnumerable.callEach(runtime, context, self, Arity.ONE_ARGUMENT, new BlockCallback() {
                public IRubyObject call(ThreadContext ctx, IRubyObject[] largs, Block blk) {
                    if (result.size() == size) result.shift(ctx);
                    result.append(largs[0]);
                    if (result.size() == size) block.yield(ctx, result.aryDup());
                    return runtime.getNil();
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        private static IRubyObject with_object_common(ThreadContext context, IRubyObject self,
                final IRubyObject arg, final Block block, final String rubyMethodName) {
            final Ruby runtime = context.runtime;
            if (!block.isGiven()) return enumeratorize(runtime, self , rubyMethodName, arg);

            RubyEnumerable.callEach(runtime, context, self, Arity.ONE_ARGUMENT, new BlockCallback() {
                public IRubyObject call(ThreadContext ctx, IRubyObject[] largs, Block blk) {
                    block.call(ctx, new IRubyObject[]{runtime.newArray(largs[0], arg)});
                    return runtime.getNil();
                }
            });
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        if (!block.isGiven()) return enumeratorize(runtime, self, "max_by");

        final IRubyObject result[] = new IRubyObject[] { runtime.getNil() };
        final ThreadContext localContext = context;

        callEach(runtime, context, self, block.arity(), new BlockCallback() {
            IRubyObject memo = null;
            public IRubyObject call(ThreadContext ctx, IRubyObject[] largs, Block blk) {
                IRubyObject larg = checkArgs(runtime, largs);
                checkContext(localContext, ctx, "max_by");
                IRubyObject v = block.yield(ctx, larg);
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        final Ruby runtime = context.runtime;
        final IRubyObject result[] = new IRubyObject[] { null };
        final ThreadContext localContext = context;

        if (block.isGiven()) {
            callEach(runtime, context, self, block.arity(), new BlockCallback() {
                public IRubyObject call(ThreadContext ctx, IRubyObject[] largs, Block blk) {
                    IRubyObject larg = checkArgs(runtime, largs);
                    checkContext(localContext, ctx, "min{}");
                    if (result[0] == null || RubyComparable.cmpint(ctx, block.yield(ctx,
                            runtime.newArray(larg, result[0])), larg, result[0]) < 0) {
                        result[0] = larg;
                    }
                    return runtime.getNil();
                }
            });
        } else {
            callEach(runtime, context, self, Arity.ONE_REQUIRED, new BlockCallback() {
                public IRubyObject call(ThreadContext ctx, IRubyObject[] largs, Block blk) {
                    IRubyObject larg = checkArgs(runtime, largs);
                    synchronized (result) {
                        if (result[0] == null || RubyComparable.cmpint(ctx, invokedynamic(ctx, larg, OP_CMP, result[0]), larg, result[0]) < 0) {
                            result[0] = larg;
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        if (!block.isGiven()) return enumeratorize(runtime, self, "min_by");

        final IRubyObject result[] = new IRubyObject[] { runtime.getNil() };
        final ThreadContext localContext = context;

        callEach(runtime, context, self, block.arity(), new BlockCallback() {
            IRubyObject memo = null;
            public IRubyObject call(ThreadContext ctx, IRubyObject[] largs, Block blk) {
                IRubyObject larg = checkArgs(runtime, largs);
                checkContext(localContext, ctx, "min_by");
                IRubyObject v = block.yield(ctx, larg);
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        final Ruby runtime = context.runtime;
        final IRubyObject result[] = new IRubyObject[] { null, null };
        final ThreadContext localContext = context;

        if (block.isGiven()) {
            callEach(runtime, context, self, block.arity(), new BlockCallback() {
                public IRubyObject call(ThreadContext ctx, IRubyObject[] largs, Block blk) {
                    checkContext(localContext, ctx, "minmax");
                    IRubyObject arg = checkArgs(runtime, largs);

                    if (result[0] == null) {
                        result[0] = result[1] = arg;
                    } else {
                        if (RubyComparable.cmpint(ctx,
                                block.yield(ctx, runtime.newArray(arg, result[0])), arg, result[0]) < 0) {
                            result[0] = arg;
                        }

                        if (RubyComparable.cmpint(ctx,
                                block.yield(ctx, runtime.newArray(arg, result[1])), arg, result[1]) > 0) {
                            result[1] = arg;
                        }
                    }
                    return runtime.getNil();
                }
            });
        } else {
            callEach(runtime, context, self, Arity.ONE_REQUIRED, new BlockCallback() {
                public IRubyObject call(ThreadContext ctx, IRubyObject[] largs, Block blk) {
                    IRubyObject arg = checkArgs(runtime, largs);
                    synchronized (result) {
                        if (result[0] == null) {
                            result[0] = result[1] = arg;
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Related Classes of org.jruby.runtime.BlockCallback

  • org.jruby.ext.openssl.SSLContext
  • org.jruby.ext.tempfile.Tempfile
  • org.jruby.RubyEnumerable
  • org.jruby.RubyEnumerable$ChunkedBlockCallback
  • org.jruby.RubyEnumerator
  • org.jruby.RubyEnumerator$RubyEnumeratorEnumerable
  • org.jruby.RubyEnumerator$ThreadedNexter
  • org.jruby.RubyProcess
  • org.jruby.RubyRange
  • org.jruby.RubySignal
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