author | jrose |
Tue, 05 May 2009 22:40:09 -0700 | |
changeset 2707 | 5a17df307cbc |
child 3434 | dc3fb927e7be |
permissions | -rw-r--r-- |
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/* |
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* Copyright 2008-2009 Sun Microsystems, Inc. All Rights Reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Sun designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Sun in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin Sf, tifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
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* CA 95054 USA or visit www.sun.com if you need additional information or |
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* have any questions. |
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*/ |
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package sun.dyn; |
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import java.dyn.JavaMethodHandle; |
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import java.dyn.MethodHandle; |
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import java.dyn.MethodType; |
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import java.dyn.NoAccessException; |
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import java.lang.reflect.Constructor; |
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import java.lang.reflect.InvocationTargetException; |
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/** |
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* "Flyby adapters" which apply arbitrary conversions to arguments |
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* on the way to a ultimate target. |
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* For simplicity, these are all generically typed. |
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* @author jrose |
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*/ |
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class FilterGeneric { |
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// type for the outgoing call (will be generic) |
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private final MethodType targetType; |
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// position of (first) argument to participate in filtering |
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private final short argumentPosition; |
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// number of arguments to participate in filtering |
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private final short argumentCount; |
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// how the result interacts with the filtered arguments: Prepend, Append, Replace, Discard |
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private final char replaceMode; |
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// prototype adapter (clone and customize for each new target & conversion!) |
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private final Adapter adapter; |
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// entry point for adapter (Adapter mh, a...) => ... |
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private final MethodHandle entryPoint; |
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// more of them (loosely cached) |
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private FilterGeneric variations; |
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|
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/** Compute and cache information common to all unboxing adapters |
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* that can call out to targets of the erasure-family of the given erased type. |
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*/ |
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// TO DO: Make this private. |
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FilterGeneric(MethodType targetType, short argumentPosition, short argumentCount, char replaceMode) { |
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if (argumentCount == 0) { |
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if (replaceMode == 'P' || replaceMode == 'A') replaceMode = 'R'; |
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if (replaceMode == 'I') argumentPosition = 0; |
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} |
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this.targetType = targetType; |
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this.argumentPosition = argumentPosition; |
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this.argumentCount = argumentCount; |
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this.replaceMode = replaceMode; |
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validate(targetType, argumentPosition, argumentCount, replaceMode); |
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Adapter ad = findAdapter(targetType, argumentPosition, argumentCount, replaceMode, filterType()); |
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if (ad == null) |
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ad = buildAdapterFromBytecodes(targetType, argumentPosition, argumentCount, replaceMode, filterType()); |
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this.adapter = ad; |
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this.entryPoint = ad.prototypeEntryPoint(); |
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} |
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Adapter makeInstance(MethodHandle filter, MethodHandle target) { |
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return adapter.makeInstance(entryPoint, filter, target); |
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} |
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/** Build an adapter of the given generic type, which invokes typedTarget |
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* on the incoming arguments, after unboxing as necessary. |
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* The return value is boxed if necessary. |
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* @param genericType the required type of the result |
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* @param typedTarget the target |
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* @return an adapter method handle |
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*/ |
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public static MethodHandle make(MethodHandle target, int pos, MethodHandle filter) { |
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return FilterGeneric.of(target.type(), (short)pos, (short)1, 'R').makeInstance(filter, target); |
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} |
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/** Return the adapter information for this type's erasure. */ |
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static FilterGeneric of(MethodType type, short ap, short ac, char mode) { |
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if (type.generic() != type) |
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throw new IllegalArgumentException("must be generic: "+type); |
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validate(type, ap, ac, mode); |
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MethodTypeImpl form = MethodTypeImpl.of(type); |
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FilterGeneric filterGen = form.filterGeneric; |
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if (filterGen == null) |
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form.filterGeneric = filterGen = new FilterGeneric(type, (short)0, (short)1, 'R'); |
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return find(filterGen, ap, ac, mode); |
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} |
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static FilterGeneric find(FilterGeneric gen, short ap, short ac, char mode) { |
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for (;;) { |
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if (gen.argumentPosition == ap && |
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gen.argumentCount == ac && |
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gen.replaceMode == mode) { |
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return gen; |
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} |
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FilterGeneric gen2 = gen.variations; |
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if (gen2 == null) break; |
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gen = gen2; |
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} |
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FilterGeneric gen2 = new FilterGeneric(gen.targetType, ap, ac, mode); |
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gen.variations = gen2; // OK if this smashes another cached chain |
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return gen2; |
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} |
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private static void validate(MethodType type, short ap, short ac, char mode) { |
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int endpos = ap + ac; |
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switch (mode) { |
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case 'P': case 'A': case 'R': case 'D': |
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if (ap >= 0 && ac >= 0 && |
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endpos >= 0 && endpos <= type.parameterCount()) |
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return; |
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default: |
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throw new InternalError("configuration "+patternName(ap, ac, mode)); |
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} |
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} |
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public String toString() { |
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return "FilterGeneric/"+patternName()+targetType; |
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} |
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|
136 |
|
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|
137 |
String patternName() { |
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|
138 |
return patternName(argumentPosition, argumentCount, replaceMode); |
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|
139 |
} |
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|
140 |
|
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|
141 |
static String patternName(short ap, short ac, char mode) { |
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|
142 |
return ""+mode+ap+(ac>1?"_"+ac:""); |
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|
143 |
} |
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parents:
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changeset
|
144 |
|
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|
145 |
Class<?> filterType() { |
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|
146 |
return Object.class; // result of filter operation; an uninteresting type |
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|
147 |
} |
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|
148 |
|
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|
149 |
static MethodType targetType(MethodType entryType, short ap, short ac, char mode, |
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|
150 |
Class<?> arg) { |
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|
151 |
MethodType type = entryType; |
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|
152 |
int pos = ap; |
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|
153 |
switch (mode) { |
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|
154 |
case 'A': |
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|
155 |
pos += ac; |
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|
156 |
case 'P': |
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|
157 |
type = type.insertParameterType(pos, arg); |
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|
158 |
break; |
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|
159 |
case 'I': |
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|
160 |
for (int i = 1; i < ac; i++) |
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|
161 |
type = type.dropParameterType(pos); |
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|
162 |
assert(type.parameterType(pos) == arg); |
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|
163 |
break; |
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|
164 |
case 'D': |
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|
165 |
break; |
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diff
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|
166 |
} |
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|
167 |
return type; |
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|
168 |
} |
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|
169 |
|
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|
170 |
static MethodType entryType(MethodType targetType, short ap, short ac, char mode, |
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|
171 |
Class<?> arg) { |
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|
172 |
MethodType type = targetType; |
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|
173 |
int pos = ap; |
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changeset
|
174 |
switch (mode) { |
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changeset
|
175 |
case 'A': |
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|
176 |
pos += ac; |
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changeset
|
177 |
case 'P': |
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|
178 |
type = type.dropParameterType(pos); |
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parents:
diff
changeset
|
179 |
break; |
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changeset
|
180 |
case 'I': |
5a17df307cbc
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|
181 |
for (int i = 1; i < ac; i++) |
5a17df307cbc
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changeset
|
182 |
type = type.insertParameterType(pos, arg); |
5a17df307cbc
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jrose
parents:
diff
changeset
|
183 |
assert(type.parameterType(pos) == arg); |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
184 |
break; |
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6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
185 |
case 'D': |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
186 |
break; |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
187 |
} |
5a17df307cbc
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parents:
diff
changeset
|
188 |
return type; |
5a17df307cbc
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parents:
diff
changeset
|
189 |
} |
5a17df307cbc
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jrose
parents:
diff
changeset
|
190 |
|
5a17df307cbc
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diff
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|
191 |
/* Create an adapter that handles spreading calls for the given type. */ |
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|
192 |
static Adapter findAdapter(MethodType targetType, short ap, short ac, char mode, Class<?> arg) { |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
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diff
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|
193 |
MethodType entryType = entryType(targetType, ap, ac, mode, arg); |
5a17df307cbc
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diff
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|
194 |
int argc = targetType.parameterCount(); |
5a17df307cbc
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diff
changeset
|
195 |
String pname = patternName(ap, ac, mode); |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
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parents:
diff
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|
196 |
String cname0 = "F"+argc; |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
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parents:
diff
changeset
|
197 |
String cname1 = "F"+argc+mode; |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
198 |
String cname2 = "F"+argc+pname; |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
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parents:
diff
changeset
|
199 |
String[] cnames = { cname0, cname1, cname1+"X", cname2 }; |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
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parents:
diff
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|
200 |
String iname = "invoke_"+pname; |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
201 |
// e.g., F5R; invoke_R3 |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
202 |
for (String cname : cnames) { |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
203 |
Class<? extends Adapter> acls = Adapter.findSubClass(cname); |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
204 |
if (acls == null) continue; |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
205 |
// see if it has the required invoke method |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
206 |
MethodHandle entryPoint = null; |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
207 |
try { |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
208 |
entryPoint = MethodHandleImpl.IMPL_LOOKUP.findSpecial(acls, iname, entryType, acls); |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
209 |
} catch (NoAccessException ex) { |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
210 |
} |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
211 |
if (entryPoint == null) continue; |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
212 |
Constructor<? extends Adapter> ctor = null; |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
213 |
try { |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
214 |
ctor = acls.getDeclaredConstructor(MethodHandle.class); |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
215 |
} catch (NoSuchMethodException ex) { |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
216 |
} catch (SecurityException ex) { |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
217 |
} |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
218 |
if (ctor == null) continue; |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
219 |
try { |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
220 |
// Produce an instance configured as a prototype. |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
221 |
return ctor.newInstance(entryPoint); |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
222 |
} catch (IllegalArgumentException ex) { |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
223 |
} catch (InvocationTargetException ex) { |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
224 |
} catch (InstantiationException ex) { |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
225 |
} catch (IllegalAccessException ex) { |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
226 |
} |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
227 |
} |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
228 |
return null; |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
229 |
} |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
230 |
|
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
231 |
static Adapter buildAdapterFromBytecodes(MethodType targetType, short ap, short ac, char mode, Class<?> arg) { |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
232 |
throw new UnsupportedOperationException("NYI"); |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
233 |
} |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
234 |
|
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
235 |
/** |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
236 |
* This adapter takes some untyped arguments, and returns an untyped result. |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
237 |
* Internally, it applies the invoker to the target, which causes the |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
238 |
* objects to be unboxed; the result is a raw type in L/I/J/F/D. |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
239 |
* This result is passed to convert, which is responsible for |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
240 |
* converting the raw result into a boxed object. |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
241 |
* The invoker is kept separate from the target because it can be |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
242 |
* generated once per type erasure family, and reused across adapters. |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
243 |
*/ |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
244 |
static abstract class Adapter extends JavaMethodHandle { |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
245 |
protected final MethodHandle filter; |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
246 |
protected final MethodHandle target; |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
247 |
|
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
248 |
protected boolean isPrototype() { return target == null; } |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
249 |
protected Adapter(MethodHandle entryPoint) { |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
250 |
this(entryPoint, entryPoint, null); |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
251 |
assert(isPrototype()); |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
252 |
} |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
253 |
protected MethodHandle prototypeEntryPoint() { |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
254 |
if (!isPrototype()) throw new InternalError(); |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
255 |
return filter; |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
256 |
} |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
257 |
|
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
258 |
protected Adapter(MethodHandle entryPoint, |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
259 |
MethodHandle filter, MethodHandle target) { |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
260 |
super(entryPoint); |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
261 |
this.filter = filter; |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
262 |
this.target = target; |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
263 |
} |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
264 |
|
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
265 |
/** Make a copy of self, with new fields. */ |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
266 |
protected abstract Adapter makeInstance(MethodHandle entryPoint, |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
267 |
MethodHandle filter, MethodHandle target); |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
268 |
// { return new ThisType(entryPoint, filter, target); } |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
269 |
|
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
270 |
static private final String CLASS_PREFIX; // "sun.dyn.FilterGeneric$" |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
271 |
static { |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
272 |
String aname = Adapter.class.getName(); |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
273 |
String sname = Adapter.class.getSimpleName(); |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
274 |
if (!aname.endsWith(sname)) throw new InternalError(); |
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CLASS_PREFIX = aname.substring(0, aname.length() - sname.length()); |
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} |
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/** Find a sibing class of Adapter. */ |
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static Class<? extends Adapter> findSubClass(String name) { |
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String cname = Adapter.CLASS_PREFIX + name; |
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try { |
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return Class.forName(cname).asSubclass(Adapter.class); |
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} catch (ClassNotFoundException ex) { |
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return null; |
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} catch (ClassCastException ex) { |
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return null; |
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} |
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} |
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} |
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|
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//* generated classes follow this pattern: |
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static class F1RX extends Adapter { |
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protected F1RX(MethodHandle entryPoint) { super(entryPoint); } // to build prototype |
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protected F1RX(MethodHandle e, MethodHandle f, MethodHandle t) |
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{ super(e, f, t); } |
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protected F1RX makeInstance(MethodHandle e, MethodHandle f, MethodHandle t) |
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{ return new F1RX(e, f, t); } |
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protected Object filter(Object a0) { return filter.<Object>invoke(a0); } |
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protected Object target(Object a0) { return target.<Object>invoke(a0); } |
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protected Object invoke_R0(Object a0) { return target(filter(a0)); } |
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} |
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static class F2RX extends Adapter { |
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protected F2RX(MethodHandle entryPoint) { super(entryPoint); } // to build prototype |
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protected F2RX(MethodHandle e, MethodHandle f, MethodHandle t) |
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{ super(e, f, t); } |
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protected F2RX makeInstance(MethodHandle e, MethodHandle f, MethodHandle t) |
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{ return new F2RX(e, f, t); } |
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protected Object filter(Object a0) { return filter.<Object>invoke(a0); } |
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protected Object target(Object a0, Object a1) { return target.<Object>invoke(a0, a1); } |
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protected Object invoke_R0(Object a0, Object a1) { return target(filter(a0), a1); } |
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protected Object invoke_R1(Object a0, Object a1) { return target(a0, filter(a1)); } |
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} |
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static class F3RX extends Adapter { |
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protected F3RX(MethodHandle entryPoint) { super(entryPoint); } // to build prototype |
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protected F3RX(MethodHandle e, MethodHandle f, MethodHandle t) |
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{ super(e, f, t); } |
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protected F3RX makeInstance(MethodHandle e, MethodHandle f, MethodHandle t) |
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{ return new F3RX(e, f, t); } |
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protected Object filter(Object a0) { return filter.<Object>invoke(a0); } |
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protected Object target(Object a0, Object a1, Object a2) { return target.<Object>invoke(a0, a1, a2); } |
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protected Object invoke_R0(Object a0, Object a1, Object a2) { return target(filter(a0), a1, a2); } |
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protected Object invoke_R1(Object a0, Object a1, Object a2) { return target(a0, filter(a1), a2); } |
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protected Object invoke_R2(Object a0, Object a1, Object a2) { return target(a0, a1, filter(a2)); } |
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} |
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static class F4RX extends Adapter { |
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protected F4RX(MethodHandle entryPoint) { super(entryPoint); } // to build prototype |
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protected F4RX(MethodHandle e, MethodHandle f, MethodHandle t) |
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{ super(e, f, t); } |
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protected F4RX makeInstance(MethodHandle e, MethodHandle f, MethodHandle t) |
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{ return new F4RX(e, f, t); } |
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protected Object filter(Object a0) { return filter.<Object>invoke(a0); } |
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protected Object target(Object a0, Object a1, Object a2, Object a3) { return target.<Object>invoke(a0, a1, a2, a3); } |
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protected Object invoke_R0(Object a0, Object a1, Object a2, Object a3) { return target(filter(a0), a1, a2, a3); } |
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protected Object invoke_R1(Object a0, Object a1, Object a2, Object a3) { return target(a0, filter(a1), a2, a3); } |
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protected Object invoke_R2(Object a0, Object a1, Object a2, Object a3) { return target(a0, a1, filter(a2), a3); } |
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protected Object invoke_R3(Object a0, Object a1, Object a2, Object a3) { return target(a0, a1, a2, filter(a3)); } |
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} |
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// */ |
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} |