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BEGIN LICENSE BLOCK ***** Version: EPL 1.0/GPL 2.0/LGPL 2.1 The contents of this file are subject to the Eclipse Public License Version 1.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at Software distributed under the License is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for the specific language governing rights and limitations under the License. Copyright (C) 2006 Ola Bini <> Alternatively, the contents of this file may be used under the terms of either of the GNU General Public License Version 2 or later (the "GPL"), or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), in which case the provisions of the GPL or the LGPL are applicable instead of those above. If you wish to allow use of your version of this file only under the terms of either the GPL or the LGPL, and not to allow others to use your version of this file under the terms of the EPL, indicate your decision by deleting the provisions above and replace them with the notice and other provisions required by the GPL or the LGPL. If you do not delete the provisions above, a recipient may use your version of this file under the terms of any one of the EPL, the GPL or the LGPL. END LICENSE BLOCK ***
 package org.jruby.runtime;
A Block implemented using a Java-based BlockCallback implementation. For lightweight block logic within Java code.
 public class CallBlock extends BlockBody {
     private final Arity arity;
     private final BlockCallback callback;
     private final StaticScope dummyScope;
     public static Block newCallClosure(IRubyObject selfRubyModule imClassArity arityBlockCallback callbackThreadContext context) {
         Binding binding = context.currentBinding(self.);
         BlockBody body = new CallBlock(aritycallbackcontext);
         return new Block(bodybinding);
     private CallBlock(Arity arityBlockCallback callbackThreadContext context) {
         this. = arity;
         this. = callback;
         this. = context.runtime.getStaticScopeFactory().getDummyScope();
     public IRubyObject call(ThreadContext contextIRubyObject[] argsBinding bindingBlock.Type type) {
         return .call(contextargs.);
     public IRubyObject call(ThreadContext contextIRubyObject[] argsBinding binding,
             Block.Type typeBlock block) {
         return .call(contextargsblock);
     public IRubyObject yieldSpecific(ThreadContext contextBinding bindingBlock.Type type) {
         return .call(context..);
     public IRubyObject yieldSpecific(ThreadContext contextIRubyObject arg0Binding bindingBlock.Type type) {
         return .call(contextnew IRubyObject[] {arg0}, .);
     public IRubyObject yieldSpecific(ThreadContext contextIRubyObject arg0IRubyObject arg1Binding bindingBlock.Type type) {
         return yield(contextnew IRubyObject[] {arg0arg1}, .);
     public IRubyObject yieldSpecific(ThreadContext contextIRubyObject arg0IRubyObject arg1IRubyObject arg2Binding bindingBlock.Type type) {
         return yield(contextnew IRubyObject[] {arg0arg1arg2}, .);
     public IRubyObject yield(ThreadContext contextIRubyObject valueBinding bindingBlock.Type type) {
         return .call(contextnew IRubyObject[] {value}, .);

Yield to this block, usually passed to the current call.

context represents the current thread-specific data
value The value to yield, either a single value or an array of values
self The current self
aValue Should value be arrayified or not?
    public IRubyObject yield(ThreadContext contextIRubyObject valueIRubyObject self
            RubyModule klassboolean aValueBinding bindingBlock.Type type) {
        IRubyObject[] args = value.respondsTo("to_a") ? value.convertToArray().toJavaArray() : new IRubyObject[] {value};
        return yield(contextargs.);
    private IRubyObject yield(ThreadContext contextIRubyObject[] argsBlock block) {
        IRubyObject[] preppedArgs = RubyProc.prepareProcArgs(contextarity(), args);
        return .call(contextpreppedArgs.);
    public StaticScope getStaticScope() {
        return ;
    public void setStaticScope(StaticScope newScope) {
        // ignore
    public Block cloneBlock(Binding binding) {
        return new Block(thisbinding.clone());
    public Arity arity() {
        return ;
    public String getFile() {
        return "(internal)";
    public int getLine() {
        return -1;
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