Examples of org.jruby.runtime.builtin.IRubyObject

org.jruby.runtime.builtin.IRubyObject
Object is the parent class of all classes in Ruby. Its methods are therefore available to all objects unless explicitly overridden.

        return context.getRuntime().getNil();
    }


    @JRubyMethod(name = "readline", optional = 1, module = true, visibility = PRIVATE)
    public static IRubyObject readline(ThreadContext context, IRubyObject recv, IRubyObject[] args) {
        IRubyObject line = gets(context, recv, args);


        if (line.isNil()) throw context.getRuntime().newEOFError();


        return line;
    }

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     *
     * @throws TypeError if $_ is not a String or nil.
     * @return value of $_ as String.
     */
    private static RubyString getLastlineString(ThreadContext context, Ruby runtime) {
        IRubyObject line = context.getPreviousFrame().getLastLine();


        if (line.isNil()) {
            throw runtime.newTypeError("$_ value need to be String (nil given).");
        } else if (!(line instanceof RubyString)) {
            throw runtime.newTypeError("$_ value need to be String (" + line.getMetaClass().getName() + " given).");
        } else {
            return (RubyString) line;
        }
    }

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    public static IRubyObject raise(ThreadContext context, IRubyObject recv, IRubyObject[] args, Block block) {
        // FIXME: Pass block down?
        Ruby runtime = context.getRuntime();


        if (args.length == 0) {
            IRubyObject lastException = runtime.getGlobalVariables().get("$!");
            if (lastException.isNil()) {
                throw new RaiseException(runtime, runtime.getRuntimeError(), "", false);
            } 
            throw new RaiseException((RubyException) lastException);
        }


        IRubyObject exception;
        
        if (args.length == 1) {
            if (args[0] instanceof RubyString) {
                throw new RaiseException((RubyException)runtime.getRuntimeError().newInstance(context, args, block));
            }

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        String msg = String.format("Exception `%s' at %s:%s - %s\n",
                rEx.getMetaClass(),
                currentFrame.getFile(), currentFrame.getLine() + 1,
                rEx.to_s());


        IRubyObject errorStream = runtime.getGlobalVariables().get("$stderr");
        errorStream.callMethod(context, "write", runtime.newString(msg));
    }

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        // string to eval
        RubyString src = args[0].convertToString();
        runtime.checkSafeString(src);
        
        IRubyObject scope = args.length > 1 && !args[1].isNil() ? args[1] : null;
        String file;
        if (args.length > 2) {
            file = args[2].convertToString().toString();
        } else if (scope == null) {
            file = "(eval)";

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    @JRubyMethod(name = "callcc", frame = true, module = true, visibility = PRIVATE)
    public static IRubyObject callcc(ThreadContext context, IRubyObject recv, Block block) {
        Ruby runtime = context.getRuntime();
        runtime.getWarnings().warn(ID.EMPTY_IMPLEMENTATION, "Kernel#callcc: Continuations are not implemented in JRuby and will not work", "Kernel#callcc");
        IRubyObject cc = runtime.getContinuation().callMethod(context, "new");
        cc.dataWrapStruct(block);
        return block.yield(context, cc);
    }

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    @JRubyMethod(name = "warn", required = 1, module = true, visibility = PRIVATE)
    public static IRubyObject warn(ThreadContext context, IRubyObject recv, IRubyObject message) {
        Ruby runtime = context.getRuntime();
        
        if (!runtime.getVerbose().isNil()) {
            IRubyObject out = runtime.getGlobalVariables().get("$stderr");
            RuntimeHelpers.invoke(context, out, "puts", message);
        }
        return runtime.getNil();
    }

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        switch (args.length) {
        case 0: return enumeratorize(runtime, recv, "each");
        case 1: return enumeratorize(runtime, recv, args[0].asJavaString());
        case 2: return enumeratorize(runtime, recv, args[0].asJavaString(), args[1]);
        default:
            IRubyObject enumArgs[] = new IRubyObject[args.length - 1];
            System.arraycopy(args, 1, enumArgs, 0, enumArgs.length);
            return enumeratorize(runtime, recv, args[0].asJavaString(), enumArgs);
        }
    }

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                }
                break;
            } else if (other instanceof RubyBignum) {
                RubyBignum otherBignum = (RubyBignum)other;
                if (otherBignum.value.signum() < 0) {
                    IRubyObject tmp = otherBignum.checkShiftDown(this);
                    if (!tmp.isNil()) return tmp;
                    neg = true;
                }
                shift = big2long(otherBignum);
                break;
            }

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                }
                break;
            } else if (other instanceof RubyBignum) {
                RubyBignum otherBignum = (RubyBignum)other;
                if (otherBignum.value.signum() >= 0) {
                    IRubyObject tmp = otherBignum.checkShiftDown(this);
                    if (!tmp.isNil()) return tmp;
                } else {
                    neg = true;
                }
                shift = big2long(otherBignum);
                break;

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