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Java > Open Source Codes > org > jruby > internal > runtime > methods > FullInvocationMethod


1 /***** BEGIN LICENSE BLOCK *****
2  * Version: CPL 1.0/GPL 2.0/LGPL 2.1
3  *
4  * The contents of this file are subject to the Common Public
5  * License Version 1.0 (the "License"); you may not use this file
6  * except in compliance with the License. You may obtain a copy of
7  * the License at http://www.eclipse.org/legal/cpl-v10.html
8  *
9  * Software distributed under the License is distributed on an "AS
10  * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
11  * implied. See the License for the specific language governing
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13  *
14  * Copyright (C) 2006 Ola Bini <ola@ologix.com>
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17  * either of the GNU General Public License Version 2 or later (the "GPL"),
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28 package org.jruby.internal.runtime.methods;
29
30 import org.jruby.Ruby;
31 import org.jruby.RubyModule;
32 import org.jruby.lexer.yacc.ISourcePosition;
33 import org.jruby.runtime.Arity;
34 import org.jruby.runtime.Block;
35 import org.jruby.runtime.ThreadContext;
36 import org.jruby.runtime.Visibility;
37 import org.jruby.runtime.builtin.IRubyObject;
38 import org.jruby.exceptions.RaiseException;
39 import org.jruby.exceptions.JumpException;
40 import org.jruby.exceptions.ThreadKill;
41 import org.jruby.exceptions.MainExitException;
42
43 /**
44  * @author <a HREF="mailto:ola.bini@ki.se">Ola Bini</a>
45  */
46 public abstract class FullInvocationMethod extends DynamicMethod implements Cloneable JavaDoc {
47     private Arity arity;
48     public FullInvocationMethod(RubyModule implementationClass, Arity arity, Visibility visibility) {
49         super(implementationClass, visibility);
50         this.arity = arity;
51     }
52
53     public void preMethod(ThreadContext context, RubyModule klazz, IRubyObject self, String JavaDoc name, IRubyObject[] args, boolean noSuper, Block block) {
54         context.preReflectedMethodInternalCall(implementationClass, klazz, self, name, args, noSuper, block);
55     }
56     
57     public void postMethod(ThreadContext context) {
58         context.postReflectedMethodInternalCall();
59     }
60
61     private IRubyObject wrap(Ruby runtime, IRubyObject self, IRubyObject[] args, Block block) {
62         try {
63             return call(self,args,block);
64         } catch(RaiseException e) {
65             throw e;
66         } catch(JumpException e) {
67             throw e;
68         } catch(ThreadKill e) {
69             throw e;
70         } catch(MainExitException e) {
71             throw e;
72         } catch(Exception JavaDoc e) {
73             runtime.getJavaSupport().handleNativeException(e);
74             return runtime.getNil();
75         }
76     }
77     
78     public IRubyObject internalCall(ThreadContext context, RubyModule klazz, IRubyObject self, String JavaDoc name, IRubyObject[] args, boolean noSuper, Block block) {
79         Ruby runtime = context.getRuntime();
80         arity.checkArity(runtime, args);
81
82         if(runtime.getTraceFunction() != null) {
83             ISourcePosition position = context.getPosition();
84
85             runtime.callTraceFunction(context, "c-call", position, self, name, getImplementationClass());
86             try {
87                 return wrap(runtime,self,args,block);
88             } finally {
89                 runtime.callTraceFunction(context, "c-return", position, self, name, getImplementationClass());
90             }
91         }
92         return wrap(runtime,self,args,block);
93     }
94
95     public abstract IRubyObject call(IRubyObject self, IRubyObject[] args, Block block);
96     
97     public DynamicMethod dup() {
98         try {
99             return (FullInvocationMethod) clone();
100         } catch (CloneNotSupportedException JavaDoc e) {
101             return null;
102         }
103     }
104
105     public Arity getArity() {
106         return arity;
107     }
108 }
109
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