Examples of org.jruby.Ruby

org.jruby.Ruby
The Ruby object represents the top-level of a JRuby "instance" in a given VM. JRuby supports spawning multiple instances in the same JVM. Generally, objects created under these instances are tied to a given runtime, for such details as identity and type, because multiple Ruby instances means there are multiple instances of each class. This means that in multi-runtime mode (or really, multi-VM mode, where each JRuby instance is a ruby "VM"), objects generally can't be transported across runtimes without marshaling. This class roots everything that makes the JRuby runtime function, and provides a number of utility methods for constructing global types and accessing global runtime structures.

        }
    }


    public static Object findAndCreateFromCustomTagging(final Constructor ctor, final Node node) {
        String tag = node.getTag();
        Ruby runtime = ((JRubyConstructor)ctor).runtime;
        IRubyObject _cl = runtime.fastGetModule("YAML").callMethod(runtime.getCurrentContext(), "tagged_classes").callMethod(runtime.getCurrentContext(),"[]", runtime.newString(tag));
        if(!(_cl instanceof RubyClass)) {
            return null;
        }
        RubyClass clazz = (RubyClass)_cl;
        if(clazz != null && !clazz.isNil()) {

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    public static IRubyObject primitive_to_java(IRubyObject recv, IRubyObject object, Block unusedBlock) {
        if (object instanceof JavaObject) {
            return object;
        }
        Ruby runtime = recv.getRuntime();
        Object javaObject;
        switch (object.getMetaClass().index) {
        case ClassIndex.NIL:
            javaObject = null;
            break;

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        }
        return null;
    }


    public static Object constructRubyInt(final Constructor ctor, final String tag, final Node node) {
        final Ruby runtime = ((JRubyConstructor)ctor).runtime;
        RubyModule objClass = runtime.getObject();
        if(tag != null) {
            final String[] nms = tag.split("::");
            for(int i=0,j=nms.length;i<j;i++) {
                objClass = (RubyModule)objClass.getConstant(nms[i]);
            }

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        oo.callInit(new IRubyObject[]{val},org.jruby.runtime.Block.NULL_BLOCK);
        return oo;
    }


    public static Object constructRubyString(final Constructor ctor, final String tag, final Node node) {
        final Ruby runtime = ((JRubyConstructor)ctor).runtime;
        RubyModule objClass = runtime.getObject();
        if(tag != null) {
            final String[] nms = tag.split("::");
            for(int i=0,j=nms.length;i<j;i++) {
                objClass = (RubyModule)objClass.getConstant(nms[i]);
            }

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        oo.callInit(new IRubyObject[]{val},org.jruby.runtime.Block.NULL_BLOCK);
        return oo;
    }


    public static Object constructRubyMap(final Constructor ctor, final String tag, final Node node) {
        final Ruby runtime = ((JRubyConstructor)ctor).runtime;
        RubyModule objClass = runtime.getObject();
        if(tag != null) {
            final String[] nms = tag.split("::");
            for(int i=0,j=nms.length;i<j;i++) {
                objClass = (RubyModule)objClass.getConstant(nms[i]);
            }

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        }
        return oo;
    }


    public static Object constructRubySequence(final Constructor ctor, final String tag, final Node node) {
        final Ruby runtime = ((JRubyConstructor)ctor).runtime;
        RubyModule objClass = runtime.getObject();
        if(tag != null) {
            final String[] nms = tag.split("::");
            for(int i=0,j=nms.length;i<j;i++) {
                objClass = (RubyModule)objClass.getConstant(nms[i]);
            }

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import org.jruby.runtime.ThreadContext;
import org.jruby.runtime.builtin.IRubyObject;


public class JavaProxyMethods {
    public static RubyModule createJavaProxyMethods(ThreadContext context) {
        Ruby runtime = context.getRuntime();
        RubyModule javaProxyMethods = runtime.defineModule("JavaProxyMethods");
        
        javaProxyMethods.addReadWriteAttribute(context, "java_object");
        
        javaProxyMethods.defineAnnotatedMethods(JavaProxyMethods.class);

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        }


        @JRubyMethod(name = "pop")
        @SuppressWarnings("unchecked")
        public static IRubyObject s_pop(IRubyObject recv) throws Exception {
            Ruby runtime = recv.getRuntime();
            ConsoleHolder holder = getHolder(runtime);
            List histList = holder.history.getHistoryList();


            // TODO: Not fully implemented. We just return the last value,
            // without really popping it.
            String current = (String)histList.get(histList.size() - 1);
            return runtime.newString(current);
        }

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            return recv.getRuntime().newString("HISTORY");
        }


        @JRubyMethod(name = "[]")
        public static IRubyObject s_hist_get(IRubyObject recv, IRubyObject index) {
            Ruby runtime = recv.getRuntime();
            ConsoleHolder holder = getHolder(runtime);
            int i = (int) index.convertToInteger().getLongValue();
            try {
                // TODO: MRI behavior is more complicated than that,
                // there is some magic when dealing with negative indexes.
                return runtime.newString((String) holder.history.getHistoryList().get(i));
            } catch (IndexOutOfBoundsException ioobe) {
                throw runtime.newIndexError("invalid history index: " + i);
            }
        }

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    /** f_mul
     * 
     */
    public static IRubyObject f_mul(ThreadContext context, IRubyObject x, IRubyObject y) {
        Ruby runtime = context.getRuntime();
        if (y instanceof RubyFixnum) {
            long iy = ((RubyFixnum)y).getLongValue();
            if (iy == 0) {
                if (x instanceof RubyFixnum || x instanceof RubyBignum) return RubyFixnum.zero(runtime);
            } else if (iy == 1) {

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