/*
***** BEGIN LICENSE BLOCK *****
* Version: CPL 1.0/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Common 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/cpl-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) 2006-2007 Thomas E Enebo <enebo@acm.org>
* Copyright (C) 2006-2007 Charles Nutter <headius@headius.com>
*
* 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 CPL, 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 CPL, the GPL or the LGPL.
***** END LICENSE BLOCK *****/
package org.jruby.runtime;
import org.jruby.runtime.callsite.DivCallSite;
import org.jruby.runtime.callsite.LtCallSite;
import org.jruby.runtime.callsite.LeCallSite;
import org.jruby.runtime.callsite.MinusCallSite;
import org.jruby.runtime.callsite.MulCallSite;
import org.jruby.runtime.callsite.NormalCachingCallSite;
import org.jruby.runtime.callsite.GtCallSite;
import org.jruby.runtime.callsite.PlusCallSite;
import org.jruby.runtime.callsite.GeCallSite;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.jruby.RubyInstanceConfig;
import org.jruby.runtime.callsite.FunctionalCachingCallSite;
import org.jruby.runtime.callsite.VariableCachingCallSite;
/**
*
* @author headius
*/
public class MethodIndex {
public static final List<String> NAMES = new ArrayList<String>();
private static final Map<String, Integer> NUMBERS = new HashMap<String, Integer>();
// ensure zero is devoted to no method name
public static final int NO_INDEX = getIndex("");
// predefine a few other methods we invoke directly elsewhere
public static final int OP_PLUS = getIndex("+");
public static final int OP_MINUS = getIndex("-");
public static final int OP_LT = getIndex("<");
public static final int AREF = getIndex("[]");
public static final int ASET = getIndex("[]=");
public static final int EQUALEQUAL = getIndex("==");
public static final int OP_LSHIFT = getIndex("<<");
public static final int EMPTY_P = getIndex("empty?");
public static final int TO_S = getIndex("to_s");
public static final int TO_I = getIndex("to_i");
public static final int TO_STR = getIndex("to_str");
public static final int TO_ARY = getIndex("to_ary");
public static final int TO_INT = getIndex("to_int");
public static final int TO_F = getIndex("to_f");
public static final int TO_A = getIndex("to_a");
public static final int TO_IO = getIndex("to_io");
public static final int HASH = getIndex("hash");
public static final int OP_GT = getIndex(">");
public static final int OP_TIMES = getIndex("*");
public static final int OP_LE = getIndex("<=");
public static final int OP_SPACESHIP = getIndex("<=>");
public static final int OP_EQQ = getIndex("===");
public static final int EQL_P = getIndex("eql?");
public static final int TO_HASH = getIndex("to_hash");
public static final int METHOD_MISSING = getIndex("method_missing");
public static final int DEFAULT = getIndex("default");
public synchronized static int getIndex(String methodName) {
Integer index = NUMBERS.get(methodName);
if (index == null) {
index = new Integer(NAMES.size());
NUMBERS.put(methodName, index);
NAMES.add(methodName);
}
return index;
}
public synchronized static CallSite getCallSite(String name) {
if (!RubyInstanceConfig.FASTOPS_COMPILE_ENABLED) {
return new NormalCachingCallSite(name);
} else {
if (name.equals("+")) {
return new PlusCallSite();
} else if (name.equals("-")) {
return new MinusCallSite();
} else if (name.equals("*")) {
return new MulCallSite();
} else if (name.equals("/")) {
return new DivCallSite();
} else if (name.equals("<")) {
return new LtCallSite();
} else if (name.equals("<=")) {
return new LeCallSite();
} else if (name.equals(">")) {
return new GtCallSite();
} else if (name.equals(">=")) {
return new GeCallSite();
} else {
return new NormalCachingCallSite(name);
}
}
}
public synchronized static CallSite getFunctionalCallSite(String name) {
return new FunctionalCachingCallSite(name);
}
public synchronized static CallSite getVariableCallSite(String name) {
return new VariableCachingCallSite(name);
}
}