author | alanb |
Wed, 12 Feb 2014 14:23:52 +0000 | |
changeset 22960 | 436141944957 |
parent 22297 | 1c62c67d9dd2 |
child 23010 | 6dadb192ad81 |
permissions | -rw-r--r-- |
2707
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
1 |
/* |
13423
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
2 |
* Copyright (c) 2008, 2012, Oracle and/or its affiliates. All rights reserved. |
2707
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
3 |
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
4 |
* |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
5 |
* This code is free software; you can redistribute it and/or modify it |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
6 |
* under the terms of the GNU General Public License version 2 only, as |
5506 | 7 |
* published by the Free Software Foundation. Oracle designates this |
2707
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
8 |
* particular file as subject to the "Classpath" exception as provided |
5506 | 9 |
* by Oracle in the LICENSE file that accompanied this code. |
2707
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
10 |
* |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
11 |
* This code is distributed in the hope that it will be useful, but WITHOUT |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
12 |
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
13 |
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
14 |
* version 2 for more details (a copy is included in the LICENSE file that |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
15 |
* accompanied this code). |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
16 |
* |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
17 |
* You should have received a copy of the GNU General Public License version |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
18 |
* 2 along with this work; if not, write to the Free Software Foundation, |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
19 |
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
20 |
* |
5506 | 21 |
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
22 |
* or visit www.oracle.com if you need additional information or have any |
|
23 |
* questions. |
|
2707
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
24 |
*/ |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
25 |
|
8822
8145ab9f5f86
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8821
diff
changeset
|
26 |
package java.lang.invoke; |
2707
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
27 |
|
14595
69a527af467a
8001885: JSR 292 classes should use jdk.internal.org.objectweb.asm
twisti
parents:
14089
diff
changeset
|
28 |
import static jdk.internal.org.objectweb.asm.Opcodes.*; |
13423
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
29 |
import static java.lang.invoke.LambdaForm.basicTypes; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
30 |
import static java.lang.invoke.MethodHandleNatives.Constants.REF_invokeStatic; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
31 |
import static java.lang.invoke.MethodHandleStatics.*; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
32 |
|
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
33 |
import java.lang.invoke.LambdaForm.Name; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
34 |
import java.lang.invoke.LambdaForm.NamedFunction; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
35 |
import java.lang.invoke.MethodHandles.Lookup; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
36 |
import java.lang.reflect.Field; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
37 |
import java.util.Arrays; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
38 |
import java.util.HashMap; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
39 |
|
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
40 |
import sun.invoke.util.ValueConversions; |
8822
8145ab9f5f86
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8821
diff
changeset
|
41 |
import sun.invoke.util.Wrapper; |
13423
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
42 |
|
14595
69a527af467a
8001885: JSR 292 classes should use jdk.internal.org.objectweb.asm
twisti
parents:
14089
diff
changeset
|
43 |
import jdk.internal.org.objectweb.asm.ClassWriter; |
69a527af467a
8001885: JSR 292 classes should use jdk.internal.org.objectweb.asm
twisti
parents:
14089
diff
changeset
|
44 |
import jdk.internal.org.objectweb.asm.MethodVisitor; |
69a527af467a
8001885: JSR 292 classes should use jdk.internal.org.objectweb.asm
twisti
parents:
14089
diff
changeset
|
45 |
import jdk.internal.org.objectweb.asm.Type; |
2707
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
46 |
|
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
47 |
/** |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
48 |
* The flavor of method handle which emulates an invoke instruction |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
49 |
* on a predetermined argument. The JVM dispatches to the correct method |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
50 |
* when the handle is created, not when it is invoked. |
13423
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
51 |
* |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
52 |
* All bound arguments are encapsulated in dedicated species. |
2707
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
53 |
*/ |
13423
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
54 |
/* non-public */ abstract class BoundMethodHandle extends MethodHandle { |
2707
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
55 |
|
13423
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
56 |
/* non-public */ BoundMethodHandle(MethodType type, LambdaForm form) { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
57 |
super(type, form); |
4537 | 58 |
} |
2707
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
59 |
|
13423
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
60 |
// |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
61 |
// BMH API and internals |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
62 |
// |
2707
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
63 |
|
13423
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
64 |
static MethodHandle bindSingle(MethodType type, LambdaForm form, char xtype, Object x) { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
65 |
// for some type signatures, there exist pre-defined concrete BMH classes |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
66 |
try { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
67 |
switch (xtype) { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
68 |
case 'L': |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
69 |
if (true) return bindSingle(type, form, x); // Use known fast path. |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
70 |
return (BoundMethodHandle) SpeciesData.EMPTY.extendWithType('L').constructor[0].invokeBasic(type, form, x); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
71 |
case 'I': |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
72 |
return (BoundMethodHandle) SpeciesData.EMPTY.extendWithType('I').constructor[0].invokeBasic(type, form, ValueConversions.widenSubword(x)); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
73 |
case 'J': |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
74 |
return (BoundMethodHandle) SpeciesData.EMPTY.extendWithType('J').constructor[0].invokeBasic(type, form, (long) x); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
75 |
case 'F': |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
76 |
return (BoundMethodHandle) SpeciesData.EMPTY.extendWithType('F').constructor[0].invokeBasic(type, form, (float) x); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
77 |
case 'D': |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
78 |
return (BoundMethodHandle) SpeciesData.EMPTY.extendWithType('D').constructor[0].invokeBasic(type, form, (double) x); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
79 |
default : throw new InternalError("unexpected xtype: " + xtype); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
80 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
81 |
} catch (Throwable t) { |
14089
0a41b980d62a
8000989: smaller code changes to make future JSR 292 backports easier
twisti
parents:
13610
diff
changeset
|
82 |
throw newInternalError(t); |
2707
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
83 |
} |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
84 |
} |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
85 |
|
13423
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
86 |
static MethodHandle bindSingle(MethodType type, LambdaForm form, Object x) { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
87 |
return new Species_L(type, form, x); |
4537 | 88 |
} |
89 |
||
13423
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
90 |
MethodHandle cloneExtend(MethodType type, LambdaForm form, char xtype, Object x) { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
91 |
try { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
92 |
switch (xtype) { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
93 |
case 'L': return cloneExtendL(type, form, x); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
94 |
case 'I': return cloneExtendI(type, form, ValueConversions.widenSubword(x)); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
95 |
case 'J': return cloneExtendJ(type, form, (long) x); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
96 |
case 'F': return cloneExtendF(type, form, (float) x); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
97 |
case 'D': return cloneExtendD(type, form, (double) x); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
98 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
99 |
} catch (Throwable t) { |
14089
0a41b980d62a
8000989: smaller code changes to make future JSR 292 backports easier
twisti
parents:
13610
diff
changeset
|
100 |
throw newInternalError(t); |
2707
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
101 |
} |
13423
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
102 |
throw new InternalError("unexpected type: " + xtype); |
2707
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
103 |
} |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
104 |
|
13423
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
105 |
@Override |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
106 |
MethodHandle bindArgument(int pos, char basicType, Object value) { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
107 |
MethodType type = type().dropParameterTypes(pos, pos+1); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
108 |
LambdaForm form = internalForm().bind(1+pos, speciesData()); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
109 |
return cloneExtend(type, form, basicType, value); |
2707
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
110 |
} |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
111 |
|
13423
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
112 |
@Override |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
113 |
MethodHandle dropArguments(MethodType srcType, int pos, int drops) { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
114 |
LambdaForm form = internalForm().addArguments(pos, srcType.parameterList().subList(pos, pos+drops)); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
115 |
try { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
116 |
return clone(srcType, form); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
117 |
} catch (Throwable t) { |
14089
0a41b980d62a
8000989: smaller code changes to make future JSR 292 backports easier
twisti
parents:
13610
diff
changeset
|
118 |
throw newInternalError(t); |
13423
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
119 |
} |
2707
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
120 |
} |
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
121 |
|
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
122 |
@Override |
13423
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
123 |
MethodHandle permuteArguments(MethodType newType, int[] reorder) { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
124 |
try { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
125 |
return clone(newType, form.permuteArguments(1, reorder, basicTypes(newType.parameterList()))); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
126 |
} catch (Throwable t) { |
14089
0a41b980d62a
8000989: smaller code changes to make future JSR 292 backports easier
twisti
parents:
13610
diff
changeset
|
127 |
throw newInternalError(t); |
13423
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
128 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
129 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
130 |
|
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
131 |
static final String EXTENSION_TYPES = "LIJFD"; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
132 |
static final byte INDEX_L = 0, INDEX_I = 1, INDEX_J = 2, INDEX_F = 3, INDEX_D = 4; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
133 |
static byte extensionIndex(char type) { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
134 |
int i = EXTENSION_TYPES.indexOf(type); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
135 |
if (i < 0) throw new InternalError(); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
136 |
return (byte) i; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
137 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
138 |
|
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
139 |
/** |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
140 |
* Return the {@link SpeciesData} instance representing this BMH species. All subclasses must provide a |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
141 |
* static field containing this value, and they must accordingly implement this method. |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
142 |
*/ |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
143 |
protected abstract SpeciesData speciesData(); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
144 |
|
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
145 |
@Override |
13610
28122b96858e
7191102: nightly failures after JSR 292 lazy method handle update (round 3)
jrose
parents:
13424
diff
changeset
|
146 |
final Object internalProperties() { |
28122b96858e
7191102: nightly failures after JSR 292 lazy method handle update (round 3)
jrose
parents:
13424
diff
changeset
|
147 |
return "/BMH="+internalValues(); |
28122b96858e
7191102: nightly failures after JSR 292 lazy method handle update (round 3)
jrose
parents:
13424
diff
changeset
|
148 |
} |
28122b96858e
7191102: nightly failures after JSR 292 lazy method handle update (round 3)
jrose
parents:
13424
diff
changeset
|
149 |
|
28122b96858e
7191102: nightly failures after JSR 292 lazy method handle update (round 3)
jrose
parents:
13424
diff
changeset
|
150 |
@Override |
13423
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
151 |
final Object internalValues() { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
152 |
Object[] boundValues = new Object[speciesData().fieldCount()]; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
153 |
for (int i = 0; i < boundValues.length; ++i) { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
154 |
boundValues[i] = arg(i); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
155 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
156 |
return Arrays.asList(boundValues); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
157 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
158 |
|
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
159 |
public final Object arg(int i) { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
160 |
try { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
161 |
switch (speciesData().fieldType(i)) { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
162 |
case 'L': return argL(i); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
163 |
case 'I': return argI(i); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
164 |
case 'F': return argF(i); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
165 |
case 'D': return argD(i); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
166 |
case 'J': return argJ(i); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
167 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
168 |
} catch (Throwable ex) { |
14089
0a41b980d62a
8000989: smaller code changes to make future JSR 292 backports easier
twisti
parents:
13610
diff
changeset
|
169 |
throw newInternalError(ex); |
13423
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
170 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
171 |
throw new InternalError("unexpected type: " + speciesData().types+"."+i); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
172 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
173 |
public final Object argL(int i) throws Throwable { return speciesData().getters[i].invokeBasic(this); } |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
174 |
public final int argI(int i) throws Throwable { return (int) speciesData().getters[i].invokeBasic(this); } |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
175 |
public final float argF(int i) throws Throwable { return (float) speciesData().getters[i].invokeBasic(this); } |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
176 |
public final double argD(int i) throws Throwable { return (double) speciesData().getters[i].invokeBasic(this); } |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
177 |
public final long argJ(int i) throws Throwable { return (long) speciesData().getters[i].invokeBasic(this); } |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
178 |
|
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
179 |
// |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
180 |
// cloning API |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
181 |
// |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
182 |
|
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
183 |
public abstract BoundMethodHandle clone(MethodType mt, LambdaForm lf) throws Throwable; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
184 |
public abstract BoundMethodHandle cloneExtendL(MethodType mt, LambdaForm lf, Object narg) throws Throwable; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
185 |
public abstract BoundMethodHandle cloneExtendI(MethodType mt, LambdaForm lf, int narg) throws Throwable; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
186 |
public abstract BoundMethodHandle cloneExtendJ(MethodType mt, LambdaForm lf, long narg) throws Throwable; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
187 |
public abstract BoundMethodHandle cloneExtendF(MethodType mt, LambdaForm lf, float narg) throws Throwable; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
188 |
public abstract BoundMethodHandle cloneExtendD(MethodType mt, LambdaForm lf, double narg) throws Throwable; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
189 |
|
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
190 |
// The following is a grossly irregular hack: |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
191 |
@Override MethodHandle reinvokerTarget() { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
192 |
try { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
193 |
return (MethodHandle) argL(0); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
194 |
} catch (Throwable ex) { |
14089
0a41b980d62a
8000989: smaller code changes to make future JSR 292 backports easier
twisti
parents:
13610
diff
changeset
|
195 |
throw newInternalError(ex); |
13423
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
196 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
197 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
198 |
|
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
199 |
// |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
200 |
// concrete BMH classes required to close bootstrap loops |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
201 |
// |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
202 |
|
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
203 |
private // make it private to force users to access the enclosing class first |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
204 |
static final class Species_L extends BoundMethodHandle { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
205 |
final Object argL0; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
206 |
public Species_L(MethodType mt, LambdaForm lf, Object argL0) { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
207 |
super(mt, lf); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
208 |
this.argL0 = argL0; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
209 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
210 |
// The following is a grossly irregular hack: |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
211 |
@Override MethodHandle reinvokerTarget() { return (MethodHandle) argL0; } |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
212 |
@Override |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
213 |
public SpeciesData speciesData() { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
214 |
return SPECIES_DATA; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
215 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
216 |
public static final SpeciesData SPECIES_DATA = SpeciesData.getForClass("L", Species_L.class); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
217 |
@Override |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
218 |
public final BoundMethodHandle clone(MethodType mt, LambdaForm lf) throws Throwable { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
219 |
return new Species_L(mt, lf, argL0); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
220 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
221 |
@Override |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
222 |
public final BoundMethodHandle cloneExtendL(MethodType mt, LambdaForm lf, Object narg) throws Throwable { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
223 |
return (BoundMethodHandle) SPECIES_DATA.extendWithIndex(INDEX_L).constructor[0].invokeBasic(mt, lf, argL0, narg); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
224 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
225 |
@Override |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
226 |
public final BoundMethodHandle cloneExtendI(MethodType mt, LambdaForm lf, int narg) throws Throwable { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
227 |
return (BoundMethodHandle) SPECIES_DATA.extendWithIndex(INDEX_I).constructor[0].invokeBasic(mt, lf, argL0, narg); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
228 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
229 |
@Override |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
230 |
public final BoundMethodHandle cloneExtendJ(MethodType mt, LambdaForm lf, long narg) throws Throwable { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
231 |
return (BoundMethodHandle) SPECIES_DATA.extendWithIndex(INDEX_J).constructor[0].invokeBasic(mt, lf, argL0, narg); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
232 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
233 |
@Override |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
234 |
public final BoundMethodHandle cloneExtendF(MethodType mt, LambdaForm lf, float narg) throws Throwable { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
235 |
return (BoundMethodHandle) SPECIES_DATA.extendWithIndex(INDEX_F).constructor[0].invokeBasic(mt, lf, argL0, narg); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
236 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
237 |
@Override |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
238 |
public final BoundMethodHandle cloneExtendD(MethodType mt, LambdaForm lf, double narg) throws Throwable { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
239 |
return (BoundMethodHandle) SPECIES_DATA.extendWithIndex(INDEX_D).constructor[0].invokeBasic(mt, lf, argL0, narg); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
240 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
241 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
242 |
|
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
243 |
/* |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
244 |
static final class Species_LL extends BoundMethodHandle { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
245 |
final Object argL0; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
246 |
final Object argL1; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
247 |
public Species_LL(MethodType mt, LambdaForm lf, Object argL0, Object argL1) { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
248 |
super(mt, lf); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
249 |
this.argL0 = argL0; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
250 |
this.argL1 = argL1; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
251 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
252 |
@Override |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
253 |
public SpeciesData speciesData() { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
254 |
return SPECIES_DATA; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
255 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
256 |
public static final SpeciesData SPECIES_DATA = SpeciesData.getForClass("LL", Species_LL.class); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
257 |
@Override |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
258 |
public final BoundMethodHandle clone(MethodType mt, LambdaForm lf) throws Throwable { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
259 |
return new Species_LL(mt, lf, argL0, argL1); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
260 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
261 |
@Override |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
262 |
public final BoundMethodHandle cloneExtendL(MethodType mt, LambdaForm lf, Object narg) throws Throwable { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
263 |
return (BoundMethodHandle) SPECIES_DATA.extendWithIndex(INDEX_L).constructor[0].invokeBasic(mt, lf, argL0, argL1, narg); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
264 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
265 |
@Override |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
266 |
public final BoundMethodHandle cloneExtendI(MethodType mt, LambdaForm lf, int narg) throws Throwable { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
267 |
return (BoundMethodHandle) SPECIES_DATA.extendWithIndex(INDEX_I).constructor[0].invokeBasic(mt, lf, argL0, argL1, narg); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
268 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
269 |
@Override |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
270 |
public final BoundMethodHandle cloneExtendJ(MethodType mt, LambdaForm lf, long narg) throws Throwable { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
271 |
return (BoundMethodHandle) SPECIES_DATA.extendWithIndex(INDEX_J).constructor[0].invokeBasic(mt, lf, argL0, argL1, narg); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
272 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
273 |
@Override |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
274 |
public final BoundMethodHandle cloneExtendF(MethodType mt, LambdaForm lf, float narg) throws Throwable { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
275 |
return (BoundMethodHandle) SPECIES_DATA.extendWithIndex(INDEX_F).constructor[0].invokeBasic(mt, lf, argL0, argL1, narg); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
276 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
277 |
@Override |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
278 |
public final BoundMethodHandle cloneExtendD(MethodType mt, LambdaForm lf, double narg) throws Throwable { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
279 |
return (BoundMethodHandle) SPECIES_DATA.extendWithIndex(INDEX_D).constructor[0].invokeBasic(mt, lf, argL0, argL1, narg); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
280 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
281 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
282 |
|
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
283 |
static final class Species_JL extends BoundMethodHandle { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
284 |
final long argJ0; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
285 |
final Object argL1; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
286 |
public Species_JL(MethodType mt, LambdaForm lf, long argJ0, Object argL1) { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
287 |
super(mt, lf); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
288 |
this.argJ0 = argJ0; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
289 |
this.argL1 = argL1; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
290 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
291 |
@Override |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
292 |
public SpeciesData speciesData() { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
293 |
return SPECIES_DATA; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
294 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
295 |
public static final SpeciesData SPECIES_DATA = SpeciesData.getForClass("JL", Species_JL.class); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
296 |
@Override public final long argJ0() { return argJ0; } |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
297 |
@Override public final Object argL1() { return argL1; } |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
298 |
@Override |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
299 |
public final BoundMethodHandle clone(MethodType mt, LambdaForm lf) throws Throwable { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
300 |
return new Species_JL(mt, lf, argJ0, argL1); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
301 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
302 |
@Override |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
303 |
public final BoundMethodHandle cloneExtendL(MethodType mt, LambdaForm lf, Object narg) throws Throwable { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
304 |
return (BoundMethodHandle) SPECIES_DATA.extendWithIndex(INDEX_L).constructor[0].invokeBasic(mt, lf, argJ0, argL1, narg); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
305 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
306 |
@Override |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
307 |
public final BoundMethodHandle cloneExtendI(MethodType mt, LambdaForm lf, int narg) throws Throwable { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
308 |
return (BoundMethodHandle) SPECIES_DATA.extendWithIndex(INDEX_I).constructor[0].invokeBasic(mt, lf, argJ0, argL1, narg); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
309 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
310 |
@Override |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
311 |
public final BoundMethodHandle cloneExtendJ(MethodType mt, LambdaForm lf, long narg) throws Throwable { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
312 |
return (BoundMethodHandle) SPECIES_DATA.extendWithIndex(INDEX_J).constructor[0].invokeBasic(mt, lf, argJ0, argL1, narg); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
313 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
314 |
@Override |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
315 |
public final BoundMethodHandle cloneExtendF(MethodType mt, LambdaForm lf, float narg) throws Throwable { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
316 |
return (BoundMethodHandle) SPECIES_DATA.extendWithIndex(INDEX_F).constructor[0].invokeBasic(mt, lf, argJ0, argL1, narg); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
317 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
318 |
@Override |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
319 |
public final BoundMethodHandle cloneExtendD(MethodType mt, LambdaForm lf, double narg) throws Throwable { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
320 |
return (BoundMethodHandle) SPECIES_DATA.extendWithIndex(INDEX_D).constructor[0].invokeBasic(mt, lf, argJ0, argL1, narg); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
321 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
322 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
323 |
*/ |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
324 |
|
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
325 |
// |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
326 |
// BMH species meta-data |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
327 |
// |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
328 |
|
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
329 |
/** |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
330 |
* Meta-data wrapper for concrete BMH classes. |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
331 |
*/ |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
332 |
static class SpeciesData { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
333 |
final String types; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
334 |
final Class<? extends BoundMethodHandle> clazz; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
335 |
// Bootstrapping requires circular relations MH -> BMH -> SpeciesData -> MH |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
336 |
// Therefore, we need a non-final link in the chain. Use array elements. |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
337 |
final MethodHandle[] constructor; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
338 |
final MethodHandle[] getters; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
339 |
final SpeciesData[] extensions; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
340 |
|
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
341 |
public int fieldCount() { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
342 |
return types.length(); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
343 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
344 |
public char fieldType(int i) { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
345 |
return types.charAt(i); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
346 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
347 |
|
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
348 |
public String toString() { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
349 |
return "SpeciesData["+(isPlaceholder() ? "<placeholder>" : clazz.getSimpleName())+":"+types+"]"; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
350 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
351 |
|
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
352 |
/** |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
353 |
* Return a {@link LambdaForm.Name} containing a {@link LambdaForm.NamedFunction} that |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
354 |
* represents a MH bound to a generic invoker, which in turn forwards to the corresponding |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
355 |
* getter. |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
356 |
*/ |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
357 |
Name getterName(Name mhName, int i) { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
358 |
MethodHandle mh = getters[i]; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
359 |
assert(mh != null) : this+"."+i; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
360 |
return new Name(mh, mhName); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
361 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
362 |
|
20527
d241258cfbcb
8024761: JSR 292 improve performance of generic invocation
jrose
parents:
16906
diff
changeset
|
363 |
NamedFunction getterFunction(int i) { |
d241258cfbcb
8024761: JSR 292 improve performance of generic invocation
jrose
parents:
16906
diff
changeset
|
364 |
return new NamedFunction(getters[i]); |
d241258cfbcb
8024761: JSR 292 improve performance of generic invocation
jrose
parents:
16906
diff
changeset
|
365 |
} |
d241258cfbcb
8024761: JSR 292 improve performance of generic invocation
jrose
parents:
16906
diff
changeset
|
366 |
|
13423
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
367 |
static final SpeciesData EMPTY = new SpeciesData("", BoundMethodHandle.class); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
368 |
|
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
369 |
private SpeciesData(String types, Class<? extends BoundMethodHandle> clazz) { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
370 |
this.types = types; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
371 |
this.clazz = clazz; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
372 |
if (!INIT_DONE) { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
373 |
this.constructor = new MethodHandle[1]; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
374 |
this.getters = new MethodHandle[types.length()]; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
375 |
} else { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
376 |
this.constructor = Factory.makeCtors(clazz, types, null); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
377 |
this.getters = Factory.makeGetters(clazz, types, null); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
378 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
379 |
this.extensions = new SpeciesData[EXTENSION_TYPES.length()]; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
380 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
381 |
|
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
382 |
private void initForBootstrap() { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
383 |
assert(!INIT_DONE); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
384 |
if (constructor[0] == null) { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
385 |
Factory.makeCtors(clazz, types, this.constructor); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
386 |
Factory.makeGetters(clazz, types, this.getters); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
387 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
388 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
389 |
|
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
390 |
private SpeciesData(String types) { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
391 |
// Placeholder only. |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
392 |
this.types = types; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
393 |
this.clazz = null; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
394 |
this.constructor = null; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
395 |
this.getters = null; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
396 |
this.extensions = null; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
397 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
398 |
private boolean isPlaceholder() { return clazz == null; } |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
399 |
|
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
400 |
private static final HashMap<String, SpeciesData> CACHE = new HashMap<>(); |
20527
d241258cfbcb
8024761: JSR 292 improve performance of generic invocation
jrose
parents:
16906
diff
changeset
|
401 |
static { CACHE.put("", EMPTY); } // make bootstrap predictable |
13423
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
402 |
private static final boolean INIT_DONE; // set after <clinit> finishes... |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
403 |
|
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
404 |
SpeciesData extendWithType(char type) { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
405 |
int i = extensionIndex(type); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
406 |
SpeciesData d = extensions[i]; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
407 |
if (d != null) return d; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
408 |
extensions[i] = d = get(types+type); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
409 |
return d; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
410 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
411 |
|
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
412 |
SpeciesData extendWithIndex(byte index) { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
413 |
SpeciesData d = extensions[index]; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
414 |
if (d != null) return d; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
415 |
extensions[index] = d = get(types+EXTENSION_TYPES.charAt(index)); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
416 |
return d; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
417 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
418 |
|
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
419 |
private static SpeciesData get(String types) { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
420 |
// Acquire cache lock for query. |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
421 |
SpeciesData d = lookupCache(types); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
422 |
if (!d.isPlaceholder()) |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
423 |
return d; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
424 |
synchronized (d) { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
425 |
// Use synch. on the placeholder to prevent multiple instantiation of one species. |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
426 |
// Creating this class forces a recursive call to getForClass. |
13424
5de7e57cdc02
7188911: nightly failures after JSR 292 lazy method handle update (round 2)
twisti
parents:
13423
diff
changeset
|
427 |
if (lookupCache(types).isPlaceholder()) |
5de7e57cdc02
7188911: nightly failures after JSR 292 lazy method handle update (round 2)
twisti
parents:
13423
diff
changeset
|
428 |
Factory.generateConcreteBMHClass(types); |
13423
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
429 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
430 |
// Reacquire cache lock. |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
431 |
d = lookupCache(types); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
432 |
// Class loading must have upgraded the cache. |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
433 |
assert(d != null && !d.isPlaceholder()); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
434 |
return d; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
435 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
436 |
static SpeciesData getForClass(String types, Class<? extends BoundMethodHandle> clazz) { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
437 |
// clazz is a new class which is initializing its SPECIES_DATA field |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
438 |
return updateCache(types, new SpeciesData(types, clazz)); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
439 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
440 |
private static synchronized SpeciesData lookupCache(String types) { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
441 |
SpeciesData d = CACHE.get(types); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
442 |
if (d != null) return d; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
443 |
d = new SpeciesData(types); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
444 |
assert(d.isPlaceholder()); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
445 |
CACHE.put(types, d); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
446 |
return d; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
447 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
448 |
private static synchronized SpeciesData updateCache(String types, SpeciesData d) { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
449 |
SpeciesData d2; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
450 |
assert((d2 = CACHE.get(types)) == null || d2.isPlaceholder()); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
451 |
assert(!d.isPlaceholder()); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
452 |
CACHE.put(types, d); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
453 |
return d; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
454 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
455 |
|
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
456 |
static { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
457 |
// pre-fill the BMH speciesdata cache with BMH's inner classes |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
458 |
final Class<BoundMethodHandle> rootCls = BoundMethodHandle.class; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
459 |
SpeciesData d0 = BoundMethodHandle.SPECIES_DATA; // trigger class init |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
460 |
assert(d0 == null || d0 == lookupCache("")) : d0; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
461 |
try { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
462 |
for (Class<?> c : rootCls.getDeclaredClasses()) { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
463 |
if (rootCls.isAssignableFrom(c)) { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
464 |
final Class<? extends BoundMethodHandle> cbmh = c.asSubclass(BoundMethodHandle.class); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
465 |
SpeciesData d = Factory.speciesDataFromConcreteBMHClass(cbmh); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
466 |
assert(d != null) : cbmh.getName(); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
467 |
assert(d.clazz == cbmh); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
468 |
assert(d == lookupCache(d.types)); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
469 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
470 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
471 |
} catch (Throwable e) { |
14089
0a41b980d62a
8000989: smaller code changes to make future JSR 292 backports easier
twisti
parents:
13610
diff
changeset
|
472 |
throw newInternalError(e); |
13423
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
473 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
474 |
|
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
475 |
for (SpeciesData d : CACHE.values()) { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
476 |
d.initForBootstrap(); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
477 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
478 |
// Note: Do not simplify this, because INIT_DONE must not be |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
479 |
// a compile-time constant during bootstrapping. |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
480 |
INIT_DONE = Boolean.TRUE; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
481 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
482 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
483 |
|
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
484 |
static SpeciesData getSpeciesData(String types) { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
485 |
return SpeciesData.get(types); |
7555
a279ebc3b25c
6981777: implement JSR 292 EG adjustments from summer 2010
jrose
parents:
7554
diff
changeset
|
486 |
} |
a279ebc3b25c
6981777: implement JSR 292 EG adjustments from summer 2010
jrose
parents:
7554
diff
changeset
|
487 |
|
13423
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
488 |
/** |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
489 |
* Generation of concrete BMH classes. |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
490 |
* |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
491 |
* A concrete BMH species is fit for binding a number of values adhering to a |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
492 |
* given type pattern. Reference types are erased. |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
493 |
* |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
494 |
* BMH species are cached by type pattern. |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
495 |
* |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
496 |
* A BMH species has a number of fields with the concrete (possibly erased) types of |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
497 |
* bound values. Setters are provided as an API in BMH. Getters are exposed as MHs, |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
498 |
* which can be included as names in lambda forms. |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
499 |
*/ |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
500 |
static class Factory { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
501 |
|
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
502 |
static final String JLO_SIG = "Ljava/lang/Object;"; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
503 |
static final String JLS_SIG = "Ljava/lang/String;"; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
504 |
static final String JLC_SIG = "Ljava/lang/Class;"; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
505 |
static final String MH = "java/lang/invoke/MethodHandle"; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
506 |
static final String MH_SIG = "L"+MH+";"; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
507 |
static final String BMH = "java/lang/invoke/BoundMethodHandle"; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
508 |
static final String BMH_SIG = "L"+BMH+";"; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
509 |
static final String SPECIES_DATA = "java/lang/invoke/BoundMethodHandle$SpeciesData"; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
510 |
static final String SPECIES_DATA_SIG = "L"+SPECIES_DATA+";"; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
511 |
|
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
512 |
static final String SPECIES_PREFIX_NAME = "Species_"; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
513 |
static final String SPECIES_PREFIX_PATH = BMH + "$" + SPECIES_PREFIX_NAME; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
514 |
|
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
515 |
static final String BMHSPECIES_DATA_EWI_SIG = "(B)" + SPECIES_DATA_SIG; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
516 |
static final String BMHSPECIES_DATA_GFC_SIG = "(" + JLS_SIG + JLC_SIG + ")" + SPECIES_DATA_SIG; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
517 |
static final String MYSPECIES_DATA_SIG = "()" + SPECIES_DATA_SIG; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
518 |
static final String VOID_SIG = "()V"; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
519 |
|
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
520 |
static final String SIG_INCIPIT = "(Ljava/lang/invoke/MethodType;Ljava/lang/invoke/LambdaForm;"; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
521 |
|
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
522 |
static final Class<?>[] TYPES = new Class<?>[] { Object.class, int.class, long.class, float.class, double.class }; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
523 |
|
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
524 |
static final String[] E_THROWABLE = new String[] { "java/lang/Throwable" }; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
525 |
|
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
526 |
/** |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
527 |
* Generate a concrete subclass of BMH for a given combination of bound types. |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
528 |
* |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
529 |
* A concrete BMH species adheres to the following schema: |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
530 |
* |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
531 |
* <pre> |
20535
cc85c8626435
8024438: JSR 292 API specification maintenance for JDK 8
jrose
parents:
20527
diff
changeset
|
532 |
* class Species_[[types]] extends BoundMethodHandle { |
cc85c8626435
8024438: JSR 292 API specification maintenance for JDK 8
jrose
parents:
20527
diff
changeset
|
533 |
* [[fields]] |
cc85c8626435
8024438: JSR 292 API specification maintenance for JDK 8
jrose
parents:
20527
diff
changeset
|
534 |
* final SpeciesData speciesData() { return SpeciesData.get("[[types]]"); } |
13423
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
535 |
* } |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
536 |
* </pre> |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
537 |
* |
20535
cc85c8626435
8024438: JSR 292 API specification maintenance for JDK 8
jrose
parents:
20527
diff
changeset
|
538 |
* The {@code [[types]]} signature is precisely the string that is passed to this |
13423
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
539 |
* method. |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
540 |
* |
20535
cc85c8626435
8024438: JSR 292 API specification maintenance for JDK 8
jrose
parents:
20527
diff
changeset
|
541 |
* The {@code [[fields]]} section consists of one field definition per character in |
13423
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
542 |
* the type signature, adhering to the naming schema described in the definition of |
20535
cc85c8626435
8024438: JSR 292 API specification maintenance for JDK 8
jrose
parents:
20527
diff
changeset
|
543 |
* {@link #makeFieldName}. |
13423
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
544 |
* |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
545 |
* For example, a concrete BMH species for two reference and one integral bound values |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
546 |
* would have the following shape: |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
547 |
* |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
548 |
* <pre> |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
549 |
* class BoundMethodHandle { ... private static |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
550 |
* final class Species_LLI extends BoundMethodHandle { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
551 |
* final Object argL0; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
552 |
* final Object argL1; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
553 |
* final int argI2; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
554 |
* public Species_LLI(MethodType mt, LambdaForm lf, Object argL0, Object argL1, int argI2) { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
555 |
* super(mt, lf); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
556 |
* this.argL0 = argL0; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
557 |
* this.argL1 = argL1; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
558 |
* this.argI2 = argI2; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
559 |
* } |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
560 |
* public final SpeciesData speciesData() { return SPECIES_DATA; } |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
561 |
* public static final SpeciesData SPECIES_DATA = SpeciesData.getForClass("LLI", Species_LLI.class); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
562 |
* public final BoundMethodHandle clone(MethodType mt, LambdaForm lf) { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
563 |
* return SPECIES_DATA.constructor[0].invokeBasic(mt, lf, argL0, argL1, argI2); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
564 |
* } |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
565 |
* public final BoundMethodHandle cloneExtendL(MethodType mt, LambdaForm lf, Object narg) { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
566 |
* return SPECIES_DATA.extendWithIndex(INDEX_L).constructor[0].invokeBasic(mt, lf, argL0, argL1, argI2, narg); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
567 |
* } |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
568 |
* public final BoundMethodHandle cloneExtendI(MethodType mt, LambdaForm lf, int narg) { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
569 |
* return SPECIES_DATA.extendWithIndex(INDEX_I).constructor[0].invokeBasic(mt, lf, argL0, argL1, argI2, narg); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
570 |
* } |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
571 |
* public final BoundMethodHandle cloneExtendJ(MethodType mt, LambdaForm lf, long narg) { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
572 |
* return SPECIES_DATA.extendWithIndex(INDEX_J).constructor[0].invokeBasic(mt, lf, argL0, argL1, argI2, narg); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
573 |
* } |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
574 |
* public final BoundMethodHandle cloneExtendF(MethodType mt, LambdaForm lf, float narg) { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
575 |
* return SPECIES_DATA.extendWithIndex(INDEX_F).constructor[0].invokeBasic(mt, lf, argL0, argL1, argI2, narg); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
576 |
* } |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
577 |
* public final BoundMethodHandle cloneExtendD(MethodType mt, LambdaForm lf, double narg) { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
578 |
* return SPECIES_DATA.extendWithIndex(INDEX_D).constructor[0].invokeBasic(mt, lf, argL0, argL1, argI2, narg); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
579 |
* } |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
580 |
* } |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
581 |
* </pre> |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
582 |
* |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
583 |
* @param types the type signature, wherein reference types are erased to 'L' |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
584 |
* @return the generated concrete BMH class |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
585 |
*/ |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
586 |
static Class<? extends BoundMethodHandle> generateConcreteBMHClass(String types) { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
587 |
final ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_MAXS + ClassWriter.COMPUTE_FRAMES); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
588 |
|
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
589 |
final String className = SPECIES_PREFIX_PATH + types; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
590 |
final String sourceFile = SPECIES_PREFIX_NAME + types; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
591 |
cw.visit(V1_6, ACC_PUBLIC + ACC_FINAL + ACC_SUPER, className, null, BMH, null); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
592 |
cw.visitSource(sourceFile, null); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
593 |
|
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
594 |
// emit static types and SPECIES_DATA fields |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
595 |
cw.visitField(ACC_PUBLIC + ACC_STATIC, "SPECIES_DATA", SPECIES_DATA_SIG, null, null).visitEnd(); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
596 |
|
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
597 |
// emit bound argument fields |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
598 |
for (int i = 0; i < types.length(); ++i) { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
599 |
final char t = types.charAt(i); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
600 |
final String fieldName = makeFieldName(types, i); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
601 |
final String fieldDesc = t == 'L' ? JLO_SIG : String.valueOf(t); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
602 |
cw.visitField(ACC_FINAL, fieldName, fieldDesc, null, null).visitEnd(); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
603 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
604 |
|
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
605 |
MethodVisitor mv; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
606 |
|
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
607 |
// emit constructor |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
608 |
mv = cw.visitMethod(ACC_PUBLIC, "<init>", makeSignature(types, true), null, null); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
609 |
mv.visitCode(); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
610 |
mv.visitVarInsn(ALOAD, 0); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
611 |
mv.visitVarInsn(ALOAD, 1); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
612 |
mv.visitVarInsn(ALOAD, 2); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
613 |
|
22297 | 614 |
mv.visitMethodInsn(INVOKESPECIAL, BMH, "<init>", makeSignature("", true), false); |
13423
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
615 |
|
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
616 |
for (int i = 0, j = 0; i < types.length(); ++i, ++j) { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
617 |
// i counts the arguments, j counts corresponding argument slots |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
618 |
char t = types.charAt(i); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
619 |
mv.visitVarInsn(ALOAD, 0); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
620 |
mv.visitVarInsn(typeLoadOp(t), j + 3); // parameters start at 3 |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
621 |
mv.visitFieldInsn(PUTFIELD, className, makeFieldName(types, i), typeSig(t)); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
622 |
if (t == 'J' || t == 'D') { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
623 |
++j; // adjust argument register access |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
624 |
} |
4537 | 625 |
} |
13423
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
626 |
|
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
627 |
mv.visitInsn(RETURN); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
628 |
mv.visitMaxs(0, 0); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
629 |
mv.visitEnd(); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
630 |
|
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
631 |
// emit implementation of reinvokerTarget() |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
632 |
mv = cw.visitMethod(ACC_PUBLIC + ACC_FINAL, "reinvokerTarget", "()" + MH_SIG, null, null); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
633 |
mv.visitCode(); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
634 |
mv.visitVarInsn(ALOAD, 0); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
635 |
mv.visitFieldInsn(GETFIELD, className, "argL0", JLO_SIG); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
636 |
mv.visitTypeInsn(CHECKCAST, MH); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
637 |
mv.visitInsn(ARETURN); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
638 |
mv.visitMaxs(0, 0); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
639 |
mv.visitEnd(); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
640 |
|
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
641 |
// emit implementation of speciesData() |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
642 |
mv = cw.visitMethod(ACC_PUBLIC + ACC_FINAL, "speciesData", MYSPECIES_DATA_SIG, null, null); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
643 |
mv.visitCode(); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
644 |
mv.visitFieldInsn(GETSTATIC, className, "SPECIES_DATA", SPECIES_DATA_SIG); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
645 |
mv.visitInsn(ARETURN); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
646 |
mv.visitMaxs(0, 0); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
647 |
mv.visitEnd(); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
648 |
|
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
649 |
// emit clone() |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
650 |
mv = cw.visitMethod(ACC_PUBLIC + ACC_FINAL, "clone", makeSignature("", false), null, E_THROWABLE); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
651 |
mv.visitCode(); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
652 |
// return speciesData().constructor[0].invokeBasic(mt, lf, argL0, ...) |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
653 |
// obtain constructor |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
654 |
mv.visitVarInsn(ALOAD, 0); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
655 |
mv.visitFieldInsn(GETSTATIC, className, "SPECIES_DATA", SPECIES_DATA_SIG); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
656 |
mv.visitFieldInsn(GETFIELD, SPECIES_DATA, "constructor", "[" + MH_SIG); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
657 |
mv.visitInsn(ICONST_0); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
658 |
mv.visitInsn(AALOAD); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
659 |
// load mt, lf |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
660 |
mv.visitVarInsn(ALOAD, 1); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
661 |
mv.visitVarInsn(ALOAD, 2); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
662 |
// put fields on the stack |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
663 |
emitPushFields(types, className, mv); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
664 |
// finally, invoke the constructor and return |
22297 | 665 |
mv.visitMethodInsn(INVOKEVIRTUAL, MH, "invokeBasic", makeSignature(types, false), false); |
13423
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
666 |
mv.visitInsn(ARETURN); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
667 |
mv.visitMaxs(0, 0); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
668 |
mv.visitEnd(); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
669 |
|
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
670 |
// for each type, emit cloneExtendT() |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
671 |
for (Class<?> c : TYPES) { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
672 |
char t = Wrapper.basicTypeChar(c); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
673 |
mv = cw.visitMethod(ACC_PUBLIC + ACC_FINAL, "cloneExtend" + t, makeSignature(String.valueOf(t), false), null, E_THROWABLE); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
674 |
mv.visitCode(); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
675 |
// return SPECIES_DATA.extendWithIndex(extensionIndex(t)).constructor[0].invokeBasic(mt, lf, argL0, ..., narg) |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
676 |
// obtain constructor |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
677 |
mv.visitFieldInsn(GETSTATIC, className, "SPECIES_DATA", SPECIES_DATA_SIG); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
678 |
int iconstInsn = ICONST_0 + extensionIndex(t); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
679 |
assert(iconstInsn <= ICONST_5); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
680 |
mv.visitInsn(iconstInsn); |
22297 | 681 |
mv.visitMethodInsn(INVOKEVIRTUAL, SPECIES_DATA, "extendWithIndex", BMHSPECIES_DATA_EWI_SIG, false); |
13423
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
682 |
mv.visitFieldInsn(GETFIELD, SPECIES_DATA, "constructor", "[" + MH_SIG); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
683 |
mv.visitInsn(ICONST_0); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
684 |
mv.visitInsn(AALOAD); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
685 |
// load mt, lf |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
686 |
mv.visitVarInsn(ALOAD, 1); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
687 |
mv.visitVarInsn(ALOAD, 2); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
688 |
// put fields on the stack |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
689 |
emitPushFields(types, className, mv); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
690 |
// put narg on stack |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
691 |
mv.visitVarInsn(typeLoadOp(t), 3); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
692 |
// finally, invoke the constructor and return |
22297 | 693 |
mv.visitMethodInsn(INVOKEVIRTUAL, MH, "invokeBasic", makeSignature(types + t, false), false); |
13423
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
694 |
mv.visitInsn(ARETURN); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
695 |
mv.visitMaxs(0, 0); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
696 |
mv.visitEnd(); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
697 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
698 |
|
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
699 |
// emit class initializer |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
700 |
mv = cw.visitMethod(ACC_PUBLIC | ACC_STATIC, "<clinit>", VOID_SIG, null, null); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
701 |
mv.visitCode(); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
702 |
mv.visitLdcInsn(types); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
703 |
mv.visitLdcInsn(Type.getObjectType(className)); |
22297 | 704 |
mv.visitMethodInsn(INVOKESTATIC, SPECIES_DATA, "getForClass", BMHSPECIES_DATA_GFC_SIG, false); |
13423
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
705 |
mv.visitFieldInsn(PUTSTATIC, className, "SPECIES_DATA", SPECIES_DATA_SIG); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
706 |
mv.visitInsn(RETURN); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
707 |
mv.visitMaxs(0, 0); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
708 |
mv.visitEnd(); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
709 |
|
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
710 |
cw.visitEnd(); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
711 |
|
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
712 |
// load class |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
713 |
final byte[] classFile = cw.toByteArray(); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
714 |
InvokerBytecodeGenerator.maybeDump(className, classFile); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
715 |
Class<? extends BoundMethodHandle> bmhClass = |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
716 |
//UNSAFE.defineAnonymousClass(BoundMethodHandle.class, classFile, null).asSubclass(BoundMethodHandle.class); |
16906
44dfee24cb71
8010117: Annotate jdk caller sensitive methods with @sun.reflect.CallerSensitive
mchung
parents:
14595
diff
changeset
|
717 |
UNSAFE.defineClass(className, classFile, 0, classFile.length, |
44dfee24cb71
8010117: Annotate jdk caller sensitive methods with @sun.reflect.CallerSensitive
mchung
parents:
14595
diff
changeset
|
718 |
BoundMethodHandle.class.getClassLoader(), null) |
44dfee24cb71
8010117: Annotate jdk caller sensitive methods with @sun.reflect.CallerSensitive
mchung
parents:
14595
diff
changeset
|
719 |
.asSubclass(BoundMethodHandle.class); |
13423
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
720 |
UNSAFE.ensureClassInitialized(bmhClass); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
721 |
|
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
722 |
return bmhClass; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
723 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
724 |
|
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
725 |
private static int typeLoadOp(char t) { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
726 |
switch (t) { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
727 |
case 'L': return ALOAD; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
728 |
case 'I': return ILOAD; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
729 |
case 'J': return LLOAD; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
730 |
case 'F': return FLOAD; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
731 |
case 'D': return DLOAD; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
732 |
default : throw new InternalError("unrecognized type " + t); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
733 |
} |
4537 | 734 |
} |
13423
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
735 |
|
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
736 |
private static void emitPushFields(String types, String className, MethodVisitor mv) { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
737 |
for (int i = 0; i < types.length(); ++i) { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
738 |
char tc = types.charAt(i); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
739 |
mv.visitVarInsn(ALOAD, 0); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
740 |
mv.visitFieldInsn(GETFIELD, className, makeFieldName(types, i), typeSig(tc)); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
741 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
742 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
743 |
|
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
744 |
static String typeSig(char t) { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
745 |
return t == 'L' ? JLO_SIG : String.valueOf(t); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
746 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
747 |
|
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
748 |
// |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
749 |
// Getter MH generation. |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
750 |
// |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
751 |
|
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
752 |
private static MethodHandle makeGetter(Class<?> cbmhClass, String types, int index) { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
753 |
String fieldName = makeFieldName(types, index); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
754 |
Class<?> fieldType = Wrapper.forBasicType(types.charAt(index)).primitiveType(); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
755 |
try { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
756 |
return LOOKUP.findGetter(cbmhClass, fieldName, fieldType); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
757 |
} catch (NoSuchFieldException | IllegalAccessException e) { |
14089
0a41b980d62a
8000989: smaller code changes to make future JSR 292 backports easier
twisti
parents:
13610
diff
changeset
|
758 |
throw newInternalError(e); |
13423
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
759 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
760 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
761 |
|
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
762 |
static MethodHandle[] makeGetters(Class<?> cbmhClass, String types, MethodHandle[] mhs) { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
763 |
if (mhs == null) mhs = new MethodHandle[types.length()]; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
764 |
for (int i = 0; i < mhs.length; ++i) { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
765 |
mhs[i] = makeGetter(cbmhClass, types, i); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
766 |
assert(mhs[i].internalMemberName().getDeclaringClass() == cbmhClass); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
767 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
768 |
return mhs; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
769 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
770 |
|
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
771 |
static MethodHandle[] makeCtors(Class<? extends BoundMethodHandle> cbmh, String types, MethodHandle mhs[]) { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
772 |
if (mhs == null) mhs = new MethodHandle[1]; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
773 |
mhs[0] = makeCbmhCtor(cbmh, types); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
774 |
return mhs; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
775 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
776 |
|
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
777 |
// |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
778 |
// Auxiliary methods. |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
779 |
// |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
780 |
|
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
781 |
static SpeciesData speciesDataFromConcreteBMHClass(Class<? extends BoundMethodHandle> cbmh) { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
782 |
try { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
783 |
Field F_SPECIES_DATA = cbmh.getDeclaredField("SPECIES_DATA"); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
784 |
return (SpeciesData) F_SPECIES_DATA.get(null); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
785 |
} catch (ReflectiveOperationException ex) { |
14089
0a41b980d62a
8000989: smaller code changes to make future JSR 292 backports easier
twisti
parents:
13610
diff
changeset
|
786 |
throw newInternalError(ex); |
13423
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
787 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
788 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
789 |
|
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
790 |
/** |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
791 |
* Field names in concrete BMHs adhere to this pattern: |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
792 |
* arg + type + index |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
793 |
* where type is a single character (L, I, J, F, D). |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
794 |
*/ |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
795 |
private static String makeFieldName(String types, int index) { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
796 |
assert index >= 0 && index < types.length(); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
797 |
return "arg" + types.charAt(index) + index; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
798 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
799 |
|
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
800 |
private static String makeSignature(String types, boolean ctor) { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
801 |
StringBuilder buf = new StringBuilder(SIG_INCIPIT); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
802 |
for (char c : types.toCharArray()) { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
803 |
buf.append(typeSig(c)); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
804 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
805 |
return buf.append(')').append(ctor ? "V" : BMH_SIG).toString(); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
806 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
807 |
|
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
808 |
static MethodHandle makeCbmhCtor(Class<? extends BoundMethodHandle> cbmh, String types) { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
809 |
try { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
810 |
return linkConstructor(LOOKUP.findConstructor(cbmh, MethodType.fromMethodDescriptorString(makeSignature(types, true), null))); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
811 |
} catch (NoSuchMethodException | IllegalAccessException | IllegalArgumentException | TypeNotPresentException e) { |
14089
0a41b980d62a
8000989: smaller code changes to make future JSR 292 backports easier
twisti
parents:
13610
diff
changeset
|
812 |
throw newInternalError(e); |
13423
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
813 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
814 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
815 |
|
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
816 |
/** |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
817 |
* Wrap a constructor call in a {@link LambdaForm}. |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
818 |
* |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
819 |
* If constructors ({@code <init>} methods) are called in LFs, problems might arise if the LFs |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
820 |
* are turned into bytecode, because the call to the allocator is routed through an MH, and the |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
821 |
* verifier cannot find a {@code NEW} instruction preceding the {@code INVOKESPECIAL} to |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
822 |
* {@code <init>}. To avoid this, we add an indirection by invoking {@code <init>} through |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
823 |
* {@link MethodHandle#linkToSpecial}. |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
824 |
* |
20535
cc85c8626435
8024438: JSR 292 API specification maintenance for JDK 8
jrose
parents:
20527
diff
changeset
|
825 |
* The last {@link LambdaForm.Name Name} in the argument's form is expected to be the {@code void} |
13423
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
826 |
* result of the {@code <init>} invocation. This entry is replaced. |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
827 |
*/ |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
828 |
private static MethodHandle linkConstructor(MethodHandle cmh) { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
829 |
final LambdaForm lf = cmh.form; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
830 |
final int initNameIndex = lf.names.length - 1; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
831 |
final Name initName = lf.names[initNameIndex]; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
832 |
final MemberName ctorMN = initName.function.member; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
833 |
final MethodType ctorMT = ctorMN.getInvocationType(); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
834 |
|
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
835 |
// obtain function member (call target) |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
836 |
// linker method type replaces initial parameter (BMH species) with BMH to avoid naming a species (anonymous class!) |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
837 |
final MethodType linkerMT = ctorMT.changeParameterType(0, BoundMethodHandle.class).appendParameterTypes(MemberName.class); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
838 |
MemberName linkerMN = new MemberName(MethodHandle.class, "linkToSpecial", linkerMT, REF_invokeStatic); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
839 |
try { |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
840 |
linkerMN = MemberName.getFactory().resolveOrFail(REF_invokeStatic, linkerMN, null, NoSuchMethodException.class); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
841 |
assert(linkerMN.isStatic()); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
842 |
} catch (ReflectiveOperationException ex) { |
14089
0a41b980d62a
8000989: smaller code changes to make future JSR 292 backports easier
twisti
parents:
13610
diff
changeset
|
843 |
throw newInternalError(ex); |
13423
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
844 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
845 |
// extend arguments array |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
846 |
Object[] newArgs = Arrays.copyOf(initName.arguments, initName.arguments.length + 1); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
847 |
newArgs[newArgs.length - 1] = ctorMN; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
848 |
// replace function |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
849 |
final NamedFunction nf = new NamedFunction(linkerMN); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
850 |
final Name linkedCtor = new Name(nf, newArgs); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
851 |
linkedCtor.initIndex(initNameIndex); |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
852 |
lf.names[initNameIndex] = linkedCtor; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
853 |
return cmh; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
854 |
} |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
855 |
|
7555
a279ebc3b25c
6981777: implement JSR 292 EG adjustments from summer 2010
jrose
parents:
7554
diff
changeset
|
856 |
} |
a279ebc3b25c
6981777: implement JSR 292 EG adjustments from summer 2010
jrose
parents:
7554
diff
changeset
|
857 |
|
13423
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
858 |
private static final Lookup LOOKUP = Lookup.IMPL_LOOKUP; |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
859 |
|
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
860 |
/** |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
861 |
* All subclasses must provide such a value describing their type signature. |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
862 |
*/ |
17843fff200d
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
9752
diff
changeset
|
863 |
static final SpeciesData SPECIES_DATA = SpeciesData.EMPTY; |
2707
5a17df307cbc
6829144: JSR 292 JVM features need a provisional Java API
jrose
parents:
diff
changeset
|
864 |
} |