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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 http://www.eclipse.org/legal/epl-v10.html 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) 2001 Alan Moore <alan_moore@gmx.net> Copyright (C) 2001-2002 Jan Arne Petersen <jpetersen@uni-bonn.de> Copyright (C) 2002 Anders Bengtsson <ndrsbngtssn@yahoo.se> Copyright (C) 2004 Charles O Nutter <headius@headius.com> Copyright (C) 2004 Stefan Matthias Aust <sma@3plus4.de> 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;
 
The RubyMethod class represents a RubyMethod object. You can get such a method by calling the "method" method of an object. Note: This was renamed from Method.java

Author(s):
jpetersen
Since:
0.2.3
 
 @JRubyClass(name="Method")
 public class RubyMethod extends RubyObject implements DataType {
     protected RubyModule implementationModule;
     protected String methodName;
     protected RubyModule originModule;
     protected String originName;
     protected DynamicMethod method;
     protected IRubyObject receiver;
 
     protected RubyMethod(Ruby runtimeRubyClass rubyClass) {
         super(runtimerubyClass);
     }

    
Create the RubyMethod class and add it to the Ruby runtime.
 
     public static RubyClass createMethodClass(Ruby runtime) {
         // TODO: NOT_ALLOCATABLE_ALLOCATOR is probably ok here. Confirm. JRUBY-415
         RubyClass methodClass = runtime.defineClass("Method"runtime.getObject(), .);
         runtime.setMethod(methodClass);
 
         methodClass.index = .;
         methodClass.setReifiedClass(RubyMethod.class);
         
         methodClass.defineAnnotatedMethods(RubyMethod.class);
         
         return methodClass;
     }
 
     public static RubyMethod newMethod(
         RubyModule implementationModule,
         String methodName,
         RubyModule originModule,
         String originName,
        DynamicMethod method,
        IRubyObject receiver) {
        Ruby runtime = implementationModule.getRuntime();
        RubyMethod newMethod = new RubyMethod(runtimeruntime.getMethod());
        newMethod.implementationModule = implementationModule;
        newMethod.methodName = methodName;
        newMethod.originModule = originModule;
        newMethod.originName = originName;
        newMethod.method = method;
        newMethod.receiver = receiver;
        return newMethod;
    }
    public DynamicMethod getMethod() {
        return ;
    }

    
Call the method.
    @JRubyMethod(name = {"call""[]"})
    public IRubyObject call(ThreadContext contextBlock block) {
        return .call(contextblock);
    }
    @JRubyMethod(name = {"call""[]"})
    public IRubyObject call(ThreadContext contextIRubyObject argBlock block) {
        return .call(contextargblock);
    }
    @JRubyMethod(name = {"call""[]"})
    public IRubyObject call(ThreadContext contextIRubyObject arg0IRubyObject arg1Block block) {
        return .call(contextarg0arg1block);
    }
    @JRubyMethod(name = {"call""[]"})
    public IRubyObject call(ThreadContext contextIRubyObject arg0IRubyObject arg1IRubyObject arg2Block block) {
        return .call(contextarg0arg1arg2block);
    }
    @JRubyMethod(name = {"call""[]"}, rest = true)
    public IRubyObject call(ThreadContext contextIRubyObject[] argsBlock block) {
        return .call(contextargsblock);
    }

    
Returns the number of arguments a method accepted.

Returns:
the number of arguments of a method.
    @JRubyMethod(name = "arity")
    public RubyFixnum arity() {
        return getRuntime().newFixnum(.getArity().getValue());
    }
    @JRubyMethod(name = "==", required = 1)
    @Override
    public RubyBoolean op_equal(ThreadContext contextIRubyObject other) {
        if (!(other instanceof RubyMethod)) {
            return context.runtime.getFalse();
        }
        if ( instanceof ProcMethod) {
            return context.runtime.newBoolean(((ProcMethod).isSame(((RubyMethodother).getMethod()));
        }
        RubyMethod otherMethod = (RubyMethod)other;
        return context.runtime.newBoolean( == otherMethod.receiver &&
                 == otherMethod.originModule &&
                .getRealMethod().getSerialNumber() == otherMethod.method.getRealMethod().getSerialNumber());
    }
    @JRubyMethod(name = "eql?", required = 1, compat = .)
    public IRubyObject op_eql19(ThreadContext contextIRubyObject other) {
        return op_equal(contextother);
    }
    @JRubyMethod(name = "clone")
    @Override
    public RubyMethod rbClone() {
    }

    
Create a Proc object.
    public IRubyObject to_proc(ThreadContext contextBlock unusedBlock) {
        Ruby runtime = context.runtime;
        CompiledBlockCallback19 callback = new CompiledBlockCallback19() {
            @Override
            public IRubyObject call(ThreadContext contextIRubyObject selfIRubyObject[] argsBlock block) {
                return .call(contextargsblock);
            }
            @Override
            public String getFile() {
                return getFilename();
            }
            @Override
            public int getLine() {
                return RubyMethod.this.getLine();
            }
        };
        BlockBody body = CompiledBlockLight19.newCompiledBlockLight(.getArity(), runtime.getStaticScopeFactory().getDummyScope(), callbackfalse, 0, JRubyLibrary.MethodExtensions.methodParameters(runtime));
        Block b = new Block(bodycontext.currentBinding(.));
        
        return RubyProc.newProc(runtimeb..);
    }
    public RubyUnboundMethod unbind() {
        RubyUnboundMethod unboundMethod =
        unboundMethod.infectBy(this);
        
        return unboundMethod;
    }
    
    @JRubyMethod(name = {"inspect""to_s"})
    @Override
    public IRubyObject inspect() {
        StringBuilder buf = new StringBuilder("#<");
        char delimeter = '#';
        
        buf.append(getMetaClass().getRealClass().getName()).append(": ");
        
        if (.isSingleton()) {
            IRubyObject attached = ((MetaClass).getAttached();
            if ( == null) {
                buf.append(.inspect().toString());
            } else if ( == attached) {
                buf.append(attached.inspect().toString());
                delimeter = '.';
            } else {
                buf.append(.inspect().toString());
                buf.append('(').append(attached.inspect().toString()).append(')');
                delimeter = '.';
            }
        } else {
            buf.append(.getName());
            
            if ( != ) {
                buf.append('(').append(.getName()).append(')');
            }
        }
        
        buf.append(delimeter).append().append('>');
        
        RubyString str = getRuntime().newString(buf.toString());
        str.setTaint(isTaint());
        return str;
    }
    @JRubyMethod(name = "name", compat = .)
    public IRubyObject name(ThreadContext context) {
        return context.runtime.newString();
    }
    @JRubyMethod(name = "name", compat = .)
    public IRubyObject name19(ThreadContext context) {
        return context.runtime.newSymbol();
    }
    public String getMethodName() {
        return ;
    }
    @JRubyMethod(name = "receiver")
    public IRubyObject receiver(ThreadContext context) {
        return ;
    }
    @JRubyMethod(name = "owner")
    public IRubyObject owner(ThreadContext context) {
        return ;
    }
    @JRubyMethod(name = "source_location", compat = .)
    public IRubyObject source_location(ThreadContext context) {
        Ruby runtime = context.runtime;
        String filename = getFilename();
        if (filename != null) {
            return runtime.newArray(runtime.newString(filename), runtime.newFixnum(getLine()));
        }
        return context.runtime.getNil();
    }
    public String getFilename() {
        DynamicMethod realMethod = .getRealMethod(); // Follow Aliases
        if (realMethod instanceof PositionAware) {
            PositionAware poser = (PositionAwarerealMethod;
            return poser.getFile();
        }
        return null;
    }
    public int getLine() {
        DynamicMethod realMethod = .getRealMethod(); // Follow Aliases
        if (realMethod instanceof PositionAware) {
            PositionAware poser = (PositionAwarerealMethod;
            return poser.getLine() + 1;
        }
        return -1;
    }
    @JRubyMethod(name = "parameters", compat = .)
    public IRubyObject parameters(ThreadContext context) {
        return JRubyLibrary.MethodExtensions.methodArgs(this);
    }
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