Revert "ART: Interpreter support for VarHandle accessors"

This reverts commit becc83b59ff703c02198f832dbc3216a0ab8a022.

Reason for revert: breaks on the ART buildbots due to localized toolchain differences.

Change-Id: Ieb1d93b0fc7116ddc542d8bbfee1975bcb30a8f7

1 files changed, 0 insertions, 876 deletions

diff --git a/test/712-varhandle-invocations/util-src/generate_java.py b/test/712-varhandle-invocations/util-src/generate_java.py
deleted file mode 100644
index 9520b53844..0000000000
--- a/test/712-varhandle-invocations/util-src/generate_java.py
+++ /dev/null
@@ -1,876 +0,0 @@
-#!/usr/bin/python3
-#
-# Copyright (C) 2018 The Android Open Source Project
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-"""
-Generate java test files for 712-varhandle-invocations
-"""
-
-from enum import Enum
-from pathlib import Path
-from random import Random
-from string import Template
-
-import io
-import re
-import sys
-
-class JavaType(object):
-    def __init__(self, name, examples, supports_bitwise=False, supports_numeric=False):
-        self.name=name
-        self.examples=examples
-        self.supports_bitwise=supports_bitwise
-        self.supports_numeric=supports_numeric
-
-    def is_value_type(self):
-        return False
-
-    def __repr__(self):
-        return self.name
-
-    def __str__(self):
-        return self.name
-
-class ValueType(JavaType):
-    def __init__(self, name, boxed_type, examples, ordinal=-1, width=-1, supports_bitwise=True, supports_numeric=True):
-        JavaType.__init__(self, name, examples, supports_bitwise, supports_numeric)
-        self.ordinal=ordinal
-        self.width=width
-        self.boxed_type=boxed_type
-
-    def boxing_method(self):
-        return self.boxed_type + ".valueOf"
-
-    def unboxing_method(self):
-        return self.name + "Value"
-
-    def is_value_type(self):
-        return True
-
-    def __eq__(self, other):
-        return self.ordinal == other.ordinal
-
-    def __hash__(self):
-        return self.ordinal
-
-    def __le__(self, other):
-        return self.ordinal < other.ordinal
-
-    def __repr__(self):
-        return self.name
-
-    def __str__(self):
-        return self.name
-
-BOOLEAN_TYPE = ValueType("boolean", "Boolean", [ "true", "false" ], ordinal = 0, width = 1, supports_numeric=False)
-BYTE_TYPE=ValueType("byte", "Byte", [ "(byte) -128", "(byte) -61", "(byte) 7", "(byte) 127", "(byte) 33" ], ordinal=1, width=1)
-SHORT_TYPE=ValueType("short", "Short", [ "(short) -32768", "(short) -384", "(short) 32767", "(short) 0xaa55" ], ordinal=2, width=2)
-CHAR_TYPE=ValueType("char", "Character", [ r"'A'", r"'#'", r"'$'", r"'Z'", r"'t'", r"'c'" ], ordinal=3, width=2)
-INT_TYPE=ValueType("int", "Integer", [ "-0x01234567", "0x7f6e5d4c", "0x12345678", "0x10215220", "42" ], ordinal=4, width=4)
-LONG_TYPE=ValueType("long", "Long", [ "-0x0123456789abcdefl", "0x789abcdef0123456l", "0xfedcba9876543210l" ], ordinal=5, width=8)
-FLOAT_TYPE=ValueType("float", "Float", [ "-7.77e23f", "1.234e-17f", "3.40e36f", "-8.888e3f", "4.442e11f" ], ordinal=6, width=4, supports_bitwise=False)
-DOUBLE_TYPE=ValueType("double", "Double", [ "-1.0e-200", "1.11e200", "3.141", "1.1111", "6.022e23", "6.626e-34" ], ordinal=7, width=4, supports_bitwise=False)
-
-VALUE_TYPES = { BOOLEAN_TYPE, BYTE_TYPE, SHORT_TYPE, CHAR_TYPE, INT_TYPE, LONG_TYPE, FLOAT_TYPE, DOUBLE_TYPE }
-
-WIDENING_CONVERSIONS = {
-    BOOLEAN_TYPE : set(),
-    BYTE_TYPE : { SHORT_TYPE, INT_TYPE, LONG_TYPE, FLOAT_TYPE, DOUBLE_TYPE },
-    SHORT_TYPE : { INT_TYPE, LONG_TYPE, FLOAT_TYPE, DOUBLE_TYPE },
-    CHAR_TYPE : { INT_TYPE, LONG_TYPE, FLOAT_TYPE, DOUBLE_TYPE },
-    INT_TYPE : { LONG_TYPE, FLOAT_TYPE, DOUBLE_TYPE },
-    LONG_TYPE : { FLOAT_TYPE, DOUBLE_TYPE },
-    FLOAT_TYPE : { DOUBLE_TYPE },
-    DOUBLE_TYPE : set()
-}
-
-def types_that_widen_to(var_type):
-    types_that_widen = { var_type }
-    for src_type in WIDENING_CONVERSIONS:
-        if var_type in WIDENING_CONVERSIONS[src_type]:
-            types_that_widen.add(src_type)
-    return types_that_widen
-
-class VarHandleKind(object):
-    ALL_SUPPORTED_TYPES = VALUE_TYPES
-    VIEW_SUPPORTED_TYPES = list(filter(lambda x : x.width >= 2, ALL_SUPPORTED_TYPES))
-
-    def __init__(self, name, imports=[], declarations=[], lookup='', coordinates=[], get_value='', may_throw_read_only=False):
-        self.name = name
-        self.imports = imports
-        self.declarations = declarations
-        self.lookup = lookup
-        self.coordinates = coordinates
-        self.get_value_ = get_value
-        self.may_throw_read_only = may_throw_read_only
-
-    def get_name(self):
-        return self.name
-
-    def get_coordinates(self):
-        return self.coordinates
-
-    def get_field_declarations(self, dictionary):
-        return list(map(lambda d: Template(d).safe_substitute(dictionary), self.declarations))
-
-    def get_imports(self):
-        return self.imports
-
-    def get_lookup(self, dictionary):
-        return Template(self.lookup).safe_substitute(dictionary)
-
-    def get_supported_types(self):
-        return VarHandleKind.VIEW_SUPPORTED_TYPES if self.is_view() else VarHandleKind.ALL_SUPPORTED_TYPES
-
-    def is_view(self):
-        return "View" in self.name
-
-    def get_value(self, dictionary):
-        return Template(self.get_value_).safe_substitute(dictionary)
-
-FIELD_VAR_HANDLE = VarHandleKind("Field",
-                                 [
-                                     'java.lang.invoke.MethodHandles',
-                                     'java.lang.invoke.VarHandle'
-                                 ],
-                                 [
-                                     "${var_type} field = ${initial_value}"
-                                 ],
-                                 'MethodHandles.lookup().findVarHandle(${test_class}.class, "field", ${var_type}.class)',
-                                 [
-                                     'this'
-                                 ],
-                                 'field',
-                                 may_throw_read_only = False)
-
-FINAL_FIELD_VAR_HANDLE = VarHandleKind("FinalField",
-                                       [
-                                           'java.lang.invoke.MethodHandles',
-                                           'java.lang.invoke.VarHandle'
-                                       ],
-                                       [
-                                           "${var_type} field = ${initial_value}"
-                                       ],
-                                       'MethodHandles.lookup().findVarHandle(${test_class}.class, "field", ${var_type}.class)',
-                                       [
-                                           'this'
-                                       ],
-                                       'field',
-                                       may_throw_read_only = False)
-
-STATIC_FIELD_VAR_HANDLE = VarHandleKind("StaticField",
-                                        [
-                                            'java.lang.invoke.MethodHandles',
-                                            'java.lang.invoke.VarHandle'
-                                        ],
-                                        [
-                                            "static ${var_type} field = ${initial_value}"
-                                        ],
-                                        'MethodHandles.lookup().findStaticVarHandle(${test_class}.class, "field", ${var_type}.class)',
-                                        [],
-                                        'field',
-                                        may_throw_read_only = False)
-
-STATIC_FINAL_FIELD_VAR_HANDLE = VarHandleKind("StaticFinalField",
-                                              [
-                                                  'java.lang.invoke.MethodHandles',
-                                                  'java.lang.invoke.VarHandle'
-                                              ],
-                                              [
-                                                  "static ${var_type} field = ${initial_value}"
-                                              ],
-                                              'MethodHandles.lookup().findStaticVarHandle(${test_class}.class, "field", ${var_type}.class)',
-                                              [],
-                                              'field',
-                                              may_throw_read_only = False)
-
-ARRAY_ELEMENT_VAR_HANDLE = VarHandleKind("ArrayElement",
-                                         [
-                                             'java.lang.invoke.MethodHandles',
-                                             'java.lang.invoke.VarHandle'
-                                         ],
-                                         [
-                                             "${var_type}[] array = new ${var_type}[11]",
-                                             "int index = 3",
-                                             "{ array[index] = ${initial_value}; }"
-                                         ],
-                                         'MethodHandles.arrayElementVarHandle(${var_type}[].class)',
-                                         [ 'array', 'index'],
-                                         'array[index]',
-                                         may_throw_read_only = False)
-
-BYTE_ARRAY_LE_VIEW_VAR_HANDLE = VarHandleKind("ByteArrayViewLE",
-                                              [
-                                                  'java.lang.invoke.MethodHandles',
-                                                  'java.lang.invoke.VarHandle',
-                                                  'java.nio.ByteOrder'
-                                              ],
-                                              [
-                                                  "byte[] array = new byte[27]",
-                                                  "int index = 8",
-                                                  "{"
-                                                  "  index = VarHandleUnitTestHelpers.alignedOffset_${var_type}(array, index);"
-                                                  "  VarHandleUnitTestHelpers.setBytesAs_${var_type}(array, index, ${initial_value}, ByteOrder.LITTLE_ENDIAN);"
-                                                  "}"
-                                              ],
-                                              'MethodHandles.byteArrayViewVarHandle(${var_type}[].class, ByteOrder.LITTLE_ENDIAN)',
-                                              [
-                                                  'array',
-                                                  'index'
-                                              ],
-                                              'VarHandleUnitTestHelpers.getBytesAs_${var_type}(array, index, ByteOrder.LITTLE_ENDIAN)',
-                                              may_throw_read_only = False)
-
-BYTE_ARRAY_BE_VIEW_VAR_HANDLE = VarHandleKind("ByteArrayViewBE",
-                                              [
-                                                  'java.lang.invoke.MethodHandles',
-                                                  'java.lang.invoke.VarHandle',
-                                                  'java.nio.ByteOrder'
-                                              ],
-                                              [
-                                                  "byte[] array = new byte[27]",
-                                                  "int index = 8",
-                                                  "{"
-                                                  "  index = VarHandleUnitTestHelpers.alignedOffset_${var_type}(array, index);"
-                                                  "  VarHandleUnitTestHelpers.setBytesAs_${var_type}(array, index, ${initial_value}, ByteOrder.BIG_ENDIAN);"
-                                                  "}"
-                                              ],
-                                              'MethodHandles.byteArrayViewVarHandle(${var_type}[].class, ByteOrder.BIG_ENDIAN)',
-                                              [
-                                                  'array',
-                                                  'index'
-                                              ],
-                                              'VarHandleUnitTestHelpers.getBytesAs_${var_type}(array, index, ByteOrder.BIG_ENDIAN)',
-                                              may_throw_read_only = False)
-
-DIRECT_BYTE_BUFFER_LE_VIEW_VAR_HANDLE = VarHandleKind("DirectByteBufferViewLE",
-                                                      [
-                                                          'java.lang.invoke.MethodHandles',
-                                                          'java.lang.invoke.VarHandle',
-                                                          'java.nio.ByteBuffer',
-                                                          'java.nio.ByteOrder'
-                                                      ],
-                                                      [
-                                                          "ByteBuffer bb = ByteBuffer.allocateDirect(31)",
-                                                          "int index = 8",
-                                                          "{"
-                                                          "  index = VarHandleUnitTestHelpers.alignedOffset_${var_type}(bb, index);"
-                                                          "  VarHandleUnitTestHelpers.setBytesAs_${var_type}(bb, index, ${initial_value}, ByteOrder.LITTLE_ENDIAN);"
-                                                          "}"
-                                                      ],
-                                                      'MethodHandles.byteBufferViewVarHandle(${var_type}[].class, ByteOrder.LITTLE_ENDIAN)',
-                                                      [
-                                                          'bb',
-                                                          'index'
-                                                      ],
-                                                      'VarHandleUnitTestHelpers.getBytesAs_${var_type}(bb, index, ByteOrder.LITTLE_ENDIAN)',
-                                                      may_throw_read_only = False)
-
-DIRECT_BYTE_BUFFER_BE_VIEW_VAR_HANDLE = VarHandleKind("DirectByteBufferViewBE",
-                                                      [
-                                                          'java.lang.invoke.MethodHandles',
-                                                          'java.lang.invoke.VarHandle',
-                                                          'java.nio.ByteBuffer',
-                                                          'java.nio.ByteOrder'
-                                                      ],
-                                                      [
-                                                          "ByteBuffer bb = ByteBuffer.allocateDirect(31)",
-                                                          "int index = 8",
-                                                          "{"
-                                                          "  index = VarHandleUnitTestHelpers.alignedOffset_${var_type}(bb, index);"
-                                                          "  VarHandleUnitTestHelpers.setBytesAs_${var_type}(bb, index, ${initial_value}, ByteOrder.BIG_ENDIAN);"
-                                                          "}"
-                                                      ],
-                                                      'MethodHandles.byteBufferViewVarHandle(${var_type}[].class, ByteOrder.BIG_ENDIAN)',
-                                                      [
-                                                          'bb',
-                                                          'index'
-                                                      ],
-                                                      'VarHandleUnitTestHelpers.getBytesAs_${var_type}(bb, index, ByteOrder.BIG_ENDIAN)',
-                                                      may_throw_read_only = False)
-
-HEAP_BYTE_BUFFER_LE_VIEW_VAR_HANDLE = VarHandleKind("HeapByteBufferViewLE",
-                                                    [
-                                                        'java.lang.invoke.MethodHandles',
-                                                        'java.lang.invoke.VarHandle',
-                                                        'java.nio.ByteBuffer',
-                                                        'java.nio.ByteOrder'
-                                                    ],
-                                                    [
-                                                        "byte[] array = new byte[36]",
-                                                        "int offset = 8",
-                                                        "ByteBuffer bb = ByteBuffer.wrap(array, offset, array.length - offset)",
-                                                        "int index = 8",
-                                                        "{"
-                                                        "  index = VarHandleUnitTestHelpers.alignedOffset_${var_type}(bb, index);"
-                                                        "  VarHandleUnitTestHelpers.setBytesAs_${var_type}(bb, index, ${initial_value}, ByteOrder.LITTLE_ENDIAN);"
-                                                        "}"
-                                                    ],
-                                                    'MethodHandles.byteBufferViewVarHandle(${var_type}[].class, ByteOrder.LITTLE_ENDIAN)',
-                                                    [
-                                                        'bb',
-                                                        'index'
-                                                    ],
-                                                    'VarHandleUnitTestHelpers.getBytesAs_${var_type}(bb, index, ByteOrder.LITTLE_ENDIAN)',
-                                                    may_throw_read_only = False)
-
-HEAP_BYTE_BUFFER_BE_VIEW_VAR_HANDLE = VarHandleKind("HeapByteBufferViewBE",
-                                                    [
-                                                        'java.lang.invoke.MethodHandles',
-                                                        'java.lang.invoke.VarHandle',
-                                                        'java.nio.ByteBuffer',
-                                                        'java.nio.ByteOrder'
-                                                    ],
-                                                    [
-                                                        "byte[] array = new byte[47]",
-                                                        "int offset = 8",
-                                                        "ByteBuffer bb = ByteBuffer.wrap(array, offset, array.length - offset)",
-                                                        "int index = 8",
-                                                        "{"
-                                                        "  index = VarHandleUnitTestHelpers.alignedOffset_${var_type}(bb, index);"
-                                                        "  VarHandleUnitTestHelpers.setBytesAs_${var_type}(bb, index, ${initial_value}, ByteOrder.BIG_ENDIAN);"
-                                                        "}"
-                                                    ],
-                                                    'MethodHandles.byteBufferViewVarHandle(${var_type}[].class, ByteOrder.BIG_ENDIAN)',
-                                                    [
-                                                        'bb',
-                                                        'index'
-                                                    ],
-                                                    'VarHandleUnitTestHelpers.getBytesAs_${var_type}(bb, index, ByteOrder.BIG_ENDIAN)',
-                                                    may_throw_read_only = False)
-
-HEAP_BYTE_BUFFER_RO_LE_VIEW_VAR_HANDLE = VarHandleKind("HeapByteBufferReadOnlyViewLE",
-                                                       [
-                                                           'java.lang.invoke.MethodHandles',
-                                                           'java.lang.invoke.VarHandle',
-                                                           'java.nio.ByteBuffer',
-                                                           'java.nio.ByteOrder',
-                                                           'java.nio.ReadOnlyBufferException'
-                                                       ],
-                                                       [
-                                                           "byte[] array = new byte[43]",
-                                                           "int index = 8",
-                                                           "ByteBuffer bb",
-                                                           "{"
-                                                           "  bb = ByteBuffer.wrap(array).asReadOnlyBuffer();"
-                                                           "  index = VarHandleUnitTestHelpers.alignedOffset_${var_type}(bb, index);"
-                                                           "  VarHandleUnitTestHelpers.setBytesAs_${var_type}(array, index, ${initial_value}, ByteOrder.LITTLE_ENDIAN);"
-                                                           "  bb = bb.asReadOnlyBuffer();"
-
-                                                           "}"
-                                                       ],
-                                                       'MethodHandles.byteBufferViewVarHandle(${var_type}[].class, ByteOrder.LITTLE_ENDIAN)',
-                                                       [
-                                                           'bb',
-                                                           'index'
-                                                       ],
-                                                       'VarHandleUnitTestHelpers.getBytesAs_${var_type}(bb, index, ByteOrder.LITTLE_ENDIAN)',
-                                                       may_throw_read_only = True)
-
-HEAP_BYTE_BUFFER_RO_BE_VIEW_VAR_HANDLE = VarHandleKind("HeapByteBufferReadOnlyViewBE",
-                                                       [
-                                                           'java.lang.invoke.MethodHandles',
-                                                           'java.lang.invoke.VarHandle',
-                                                           'java.nio.ByteBuffer',
-                                                           'java.nio.ByteOrder',
-                                                           'java.nio.ReadOnlyBufferException'
-                                                       ],
-                                                       [
-                                                           "byte[] array = new byte[29]",
-                                                           "int index",
-                                                           "ByteBuffer bb",
-                                                           "{"
-                                                           "  bb = ByteBuffer.wrap(array);"
-                                                           "  index = VarHandleUnitTestHelpers.alignedOffset_${var_type}(bb, 8);"
-                                                           "  VarHandleUnitTestHelpers.setBytesAs_${var_type}(array, index, ${initial_value}, ByteOrder.BIG_ENDIAN);"
-                                                           "  bb = bb.asReadOnlyBuffer();"
-                                                           "}"
-                                                       ],
-                                                       'MethodHandles.byteBufferViewVarHandle(${var_type}[].class, ByteOrder.BIG_ENDIAN)',
-                                                       [
-                                                           'bb',
-                                                           'index'
-                                                       ],
-                                                       'VarHandleUnitTestHelpers.getBytesAs_${var_type}(bb, index, ByteOrder.BIG_ENDIAN)',
-                                                       may_throw_read_only = True)
-
-ALL_FIELD_VAR_HANDLE_KINDS = [
-    FIELD_VAR_HANDLE,
-    FINAL_FIELD_VAR_HANDLE,
-    STATIC_FIELD_VAR_HANDLE,
-    STATIC_FINAL_FIELD_VAR_HANDLE
-]
-
-ALL_BYTE_VIEW_VAR_HANDLE_KINDS = [
-    BYTE_ARRAY_LE_VIEW_VAR_HANDLE,
-    BYTE_ARRAY_BE_VIEW_VAR_HANDLE,
-    DIRECT_BYTE_BUFFER_LE_VIEW_VAR_HANDLE,
-    DIRECT_BYTE_BUFFER_BE_VIEW_VAR_HANDLE,
-    HEAP_BYTE_BUFFER_LE_VIEW_VAR_HANDLE,
-    HEAP_BYTE_BUFFER_BE_VIEW_VAR_HANDLE,
-    HEAP_BYTE_BUFFER_RO_LE_VIEW_VAR_HANDLE,
-    HEAP_BYTE_BUFFER_RO_BE_VIEW_VAR_HANDLE
-]
-
-ALL_VAR_HANDLE_KINDS = ALL_FIELD_VAR_HANDLE_KINDS + [ ARRAY_ELEMENT_VAR_HANDLE ] + ALL_BYTE_VIEW_VAR_HANDLE_KINDS
-
-class AccessModeForm(Enum):
-    GET = 0
-    SET = 1
-    STRONG_COMPARE_AND_SET = 2
-    WEAK_COMPARE_AND_SET = 3
-    COMPARE_AND_EXCHANGE = 4
-    GET_AND_SET = 5
-    GET_AND_UPDATE_BITWISE = 6
-    GET_AND_UPDATE_NUMERIC = 7
-
-class VarHandleAccessor:
-    def __init__(self, method_name):
-        self.method_name = method_name
-        self.access_mode = self.get_access_mode(method_name)
-        self.access_mode_form = self.get_access_mode_form(method_name)
-
-    def get_return_type(self, var_type):
-        if self.access_mode_form == AccessModeForm.SET:
-            return None
-        elif (self.access_mode_form == AccessModeForm.STRONG_COMPARE_AND_SET or
-              self.access_mode_form == AccessModeForm.WEAK_COMPARE_AND_SET):
-            return BOOLEAN_TYPE
-        else:
-            return var_type
-
-    def get_number_of_var_type_arguments(self):
-        if self.access_mode_form == AccessModeForm.GET:
-            return 0
-        elif (self.access_mode_form == AccessModeForm.SET or
-              self.access_mode_form == AccessModeForm.GET_AND_SET or
-              self.access_mode_form == AccessModeForm.GET_AND_UPDATE_BITWISE or
-              self.access_mode_form == AccessModeForm.GET_AND_UPDATE_NUMERIC):
-            return 1
-        elif (self.access_mode_form == AccessModeForm.STRONG_COMPARE_AND_SET or
-              self.access_mode_form == AccessModeForm.WEAK_COMPARE_AND_SET or
-              self.access_mode_form == AccessModeForm.COMPARE_AND_EXCHANGE):
-            return 2
-        else:
-            raise ValueError(self.access_mode_form)
-
-    def is_read_only(self):
-        return self.access_mode_form == AccessModeForm.GET
-
-    def get_java_bitwise_operator(self):
-        if "BitwiseAnd" in self.method_name:
-            return "&"
-        elif "BitwiseOr" in self.method_name:
-            return "|"
-        elif "BitwiseXor" in self.method_name:
-            return "^"
-        raise ValueError(self.method_name)
-
-    def get_java_numeric_operator(self):
-        if "Add" in self.method_name:
-            return "+"
-        raise ValueError(self.method_name)
-
-    @staticmethod
-    def get_access_mode(accessor_method):
-        """Converts an access method name to AccessMode value. For example, getAndSet becomes GET_AND_SET"""
-        return re.sub('([A-Z])', r'_\1', accessor_method).upper()
-
-    @staticmethod
-    def get_access_mode_form(accessor_method):
-        prefix_mode_list = [
-            ('getAndAdd', AccessModeForm.GET_AND_UPDATE_NUMERIC),
-            ('getAndBitwise', AccessModeForm.GET_AND_UPDATE_BITWISE),
-            ('getAndSet', AccessModeForm.GET_AND_SET),
-            ('get', AccessModeForm.GET),
-            ('set', AccessModeForm.SET),
-            ('compareAndSet', AccessModeForm.STRONG_COMPARE_AND_SET),
-            ('weakCompareAndSet', AccessModeForm.WEAK_COMPARE_AND_SET),
-            ('compareAndExchange', AccessModeForm.COMPARE_AND_EXCHANGE)]
-        for prefix, mode in prefix_mode_list:
-            if accessor_method.startswith(prefix):
-                return mode
-        raise ValueError(accessor_method)
-
-VAR_HANDLE_ACCESSORS = [
-    VarHandleAccessor('get'),
-    VarHandleAccessor('set'),
-    VarHandleAccessor('getVolatile'),
-    VarHandleAccessor('setVolatile'),
-    VarHandleAccessor('getAcquire'),
-    VarHandleAccessor('setRelease'),
-    VarHandleAccessor('getOpaque'),
-    VarHandleAccessor('setOpaque'),
-    VarHandleAccessor('compareAndSet'),
-    VarHandleAccessor('compareAndExchange'),
-    VarHandleAccessor('compareAndExchangeAcquire'),
-    VarHandleAccessor('compareAndExchangeRelease'),
-    VarHandleAccessor('weakCompareAndSetPlain'),
-    VarHandleAccessor('weakCompareAndSet'),
-    VarHandleAccessor('weakCompareAndSetAcquire'),
-    VarHandleAccessor('weakCompareAndSetRelease'),
-    VarHandleAccessor('getAndSet'),
-    VarHandleAccessor('getAndSetAcquire'),
-    VarHandleAccessor('getAndSetRelease'),
-    VarHandleAccessor('getAndAdd'),
-    VarHandleAccessor('getAndAddAcquire'),
-    VarHandleAccessor('getAndAddRelease'),
-    VarHandleAccessor('getAndBitwiseOr'),
-    VarHandleAccessor('getAndBitwiseOrRelease'),
-    VarHandleAccessor('getAndBitwiseOrAcquire'),
-    VarHandleAccessor('getAndBitwiseAnd'),
-    VarHandleAccessor('getAndBitwiseAndRelease'),
-    VarHandleAccessor('getAndBitwiseAndAcquire'),
-    VarHandleAccessor('getAndBitwiseXor'),
-    VarHandleAccessor('getAndBitwiseXorRelease'),
-    VarHandleAccessor('getAndBitwiseXorAcquire')
-]
-
-# Pseudo-RNG used for arbitrary decisions
-RANDOM = Random(0)
-
-BANNER = '// This file is generated by util-src/generate_java.py do not directly modify!'
-
-# List of generated test classes
-GENERATED_TEST_CLASSES = []
-
-def java_file_for_class(class_name):
-    return class_name + ".java"
-
-def capitalize_first(word):
-    return word[0].upper() + word[1:]
-
-def indent_code(code):
-    """Applies rudimentary indentation to code"""
-    return code
-
-def build_template_dictionary(test_class, var_handle_kind, accessor, var_type):
-    initial_value = RANDOM.choice(var_type.examples)
-    updated_value = RANDOM.choice(list(filter(lambda v : v != initial_value, var_type.examples)))
-    coordinates = ", ".join(var_handle_kind.get_coordinates())
-    if accessor.get_number_of_var_type_arguments() != 0 and coordinates != "":
-        coordinates += ", "
-    dictionary = {
-        'accessor_method' : accessor.method_name,
-        'access_mode' : accessor.access_mode,
-        'banner' : BANNER,
-        'coordinates' : coordinates,
-        'initial_value' : initial_value,
-        'test_class' : test_class,
-        'updated_value' : updated_value,
-        'var_type' : var_type,
-    }
-    dictionary['imports'] = ";\n".join(list(map(lambda x: "import " + x, var_handle_kind.get_imports())))
-    dictionary['lookup'] = var_handle_kind.get_lookup(dictionary)
-    dictionary['field_declarations'] = ";\n".join(var_handle_kind.get_field_declarations(dictionary))
-    dictionary['read_value'] = var_handle_kind.get_value(dictionary)
-    return dictionary
-
-def emit_accessor_test(var_handle_kind, accessor, var_type, output_path):
-    test_class = var_handle_kind.get_name() + capitalize_first(accessor.method_name) + capitalize_first(var_type.name)
-    GENERATED_TEST_CLASSES.append(test_class)
-    src_file_path = output_path / java_file_for_class(test_class)
-    expansions = build_template_dictionary(test_class, var_handle_kind, accessor, var_type)
-    # Compute test operation
-    if accessor.access_mode_form == AccessModeForm.GET:
-        test_template = Template("""
-        ${var_type} value = (${var_type}) vh.${accessor_method}(${coordinates});
-        assertEquals(${initial_value}, value);""")
-    elif accessor.access_mode_form == AccessModeForm.SET:
-        test_template = Template("""
-        vh.${accessor_method}(${coordinates}${updated_value});
-        assertEquals(${updated_value}, ${read_value});""")
-    elif accessor.access_mode_form == AccessModeForm.STRONG_COMPARE_AND_SET:
-        test_template = Template("""
-        assertEquals(${initial_value}, ${read_value});
-        // Test an update that should succeed.
-        boolean applied = (boolean) vh.${accessor_method}(${coordinates}${initial_value}, ${updated_value});
-        assertEquals(${updated_value}, ${read_value});
-        assertTrue(applied);
-        // Test an update that should fail.
-        applied = (boolean) vh.${accessor_method}(${coordinates}${initial_value}, ${initial_value});
-        assertFalse(applied);
-        assertEquals(${updated_value}, ${read_value});""")
-    elif accessor.access_mode_form == AccessModeForm.WEAK_COMPARE_AND_SET:
-        test_template = Template("""
-        assertEquals(${initial_value}, ${read_value});
-        // Test an update that should succeed.
-        int attempts = 10000;
-        boolean applied;
-        do {
-            applied = (boolean) vh.${accessor_method}(${coordinates}${initial_value}, ${updated_value});
-        } while (applied == false && attempts-- > 0);
-        assertEquals(${updated_value}, ${read_value});
-        assertTrue(attempts > 0);
-        // Test an update that should fail.
-        applied = (boolean) vh.${accessor_method}(${coordinates}${initial_value}, ${initial_value});
-        assertFalse(applied);
-        assertEquals(${updated_value}, ${read_value});""")
-    elif accessor.access_mode_form == AccessModeForm.COMPARE_AND_EXCHANGE:
-        test_template = Template("""
-        // This update should succeed.
-        ${var_type} witness_value = (${var_type}) vh.${accessor_method}(${coordinates}${initial_value}, ${updated_value});
-        assertEquals(${initial_value}, witness_value);
-        assertEquals(${updated_value}, ${read_value});
-        // This update should fail.
-        witness_value = (${var_type}) vh.${accessor_method}(${coordinates}${initial_value}, ${initial_value});
-        assertEquals(${updated_value}, witness_value);
-        assertEquals(${updated_value}, ${read_value});""")
-    elif accessor.access_mode_form == AccessModeForm.GET_AND_SET:
-        test_template = Template("""
-        ${var_type} old_value = (${var_type}) vh.${accessor_method}(${coordinates}${updated_value});
-        assertEquals(${initial_value}, old_value);
-        assertEquals(${updated_value}, ${read_value});""")
-    elif accessor.access_mode_form == AccessModeForm.GET_AND_UPDATE_BITWISE:
-        if var_type.supports_bitwise == True:
-            expansions['binop'] = accessor.get_java_bitwise_operator()
-            test_template = Template("""
-            ${var_type} old_value = (${var_type}) vh.${accessor_method}(${coordinates}${updated_value});
-            assertEquals(${initial_value}, old_value);
-            assertEquals(${initial_value} ${binop} ${updated_value}, ${read_value});""")
-        else:
-            test_template = Template("""
-            vh.${accessor_method}(${coordinates}${initial_value}, ${updated_value});
-            failUnreachable();""")
-    elif accessor.access_mode_form == AccessModeForm.GET_AND_UPDATE_NUMERIC:
-        if var_type.supports_numeric == True:
-            expansions['binop'] = accessor.get_java_numeric_operator()
-            test_template = Template("""
-            ${var_type} old_value = (${var_type}) vh.${accessor_method}(${coordinates}${updated_value});
-            assertEquals(${initial_value}, old_value);
-            ${var_type} expected_value = (${var_type}) (${initial_value} ${binop} ${updated_value});
-            assertEquals(expected_value, ${read_value});""")
-        else:
-            test_template = Template("""
-            vh.${accessor_method}(${coordinates}${initial_value}, ${updated_value});
-            failUnreachable();""")
-    else:
-        raise ValueError(accessor.access_mode_form)
-
-    if var_handle_kind.may_throw_read_only and not accessor.is_read_only():
-        # ByteBufferViews can be read-only and dynamically raise ReadOnlyBufferException.
-        expansions['try_statement'] = "try {"
-        expansions['catch_statement'] = "failUnreachable();\n} catch (ReadOnlyBufferException ex) {}"
-    else:
-        expansions['try_statement'] = ""
-        expansions['catch_statement'] = ""
-
-    expansions['test_body'] = test_template.safe_substitute(expansions)
-
-    s = Template("""${banner}
-
-${imports};
-
-class ${test_class} extends VarHandleUnitTest {
-    ${field_declarations};
-    static final VarHandle vh;
-    static {
-        try {
-            vh = ${lookup};
-        } catch (Exception e) {
-            throw new RuntimeException("Unexpected initialization exception", e);
-        }
-    }
-
-    @Override
-    public void doTest() throws Exception {
-        if (!vh.isAccessModeSupported(VarHandle.AccessMode.${access_mode})) {
-            try {
-                ${test_body}
-                failUnreachable();
-            } catch (UnsupportedOperationException ex) {}
-        } else {
-            ${try_statement}
-            ${test_body}
-            ${catch_statement}
-        }
-    }
-
-    public static void main(String[] args) {
-         new ${test_class}().run();
-    }
-}
-""").safe_substitute(expansions)
-    with src_file_path.open("w") as src_file:
-        print(s, file=src_file)
-
-def emit_value_type_accessor_tests(output_path):
-    for var_handle_kind in ALL_VAR_HANDLE_KINDS:
-        for accessor in VAR_HANDLE_ACCESSORS:
-            for var_type in var_handle_kind.get_supported_types():
-                emit_accessor_test(var_handle_kind, accessor, var_type, output_path)
-
-def emit_reference_accessor_tests(output_path):
-    ref_type = JavaType("Widget", [ "Widget.ONE", "Widget.TWO", "null" ])
-    for var_handle_kind in ALL_VAR_HANDLE_KINDS:
-        if var_handle_kind.is_view():
-            # Views as reference type arrays are not supported. They
-            # fail instantiation. This is tested in 710-varhandle-creation.
-            continue
-        for accessor in VAR_HANDLE_ACCESSORS:
-            emit_accessor_test(var_handle_kind, accessor, ref_type, output_path)
-
-def emit_boxing_value_type_accessor_test(accessor, var_type, output_path):
-    test_class = "Boxing" + capitalize_first(accessor.method_name) + capitalize_first(var_type.name)
-    GENERATED_TEST_CLASSES.append(test_class)
-    src_file_path = output_path / java_file_for_class(test_class)
-    var_handle_kind = FIELD_VAR_HANDLE
-    expansions = build_template_dictionary(test_class, var_handle_kind, accessor, var_type)
-    template = Template("""
-${banner}
-
-${imports};
-import java.lang.invoke.WrongMethodTypeException;
-
-public class ${test_class} extends VarHandleUnitTest {
-    ${field_declarations};
-    private static final VarHandle vh;
-    static {
-        try {
-            vh = ${lookup};
-        } catch (Exception e) {
-            throw new RuntimeException("Unexpected initialization exception", e);
-        }
-    }
-
-    @Override
-    public void doTest() throws Exception {
-       ${body}
-    }
-
-    public static void main(String[] args) {
-         new ${test_class}().run();
-    }
-}
-""")
-    with io.StringIO() as body_text:
-        compatible_types = types_that_widen_to(var_type)
-        for value_type in VALUE_TYPES:
-            print("try {", file=body_text)
-            return_type = accessor.get_return_type(var_type)
-            if return_type:
-                print("{0} result = ({0}) ".format(return_type), end="", file=body_text)
-            print("vh.{0}(this".format(accessor.method_name), end="", file=body_text)
-            num_args = accessor.get_number_of_var_type_arguments()
-            for i in range(0, num_args):
-                print(", {0}({1})".format(value_type.boxing_method(), value_type.examples[i]), end="", file=body_text)
-            print(");", file=body_text)
-            if value_type in compatible_types:
-                print("   assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.{0}));".format(accessor.access_mode),
-                      file=body_text)
-            else:
-                print("failUnreachable();", file=body_text)
-                print("} catch (WrongMethodTypeException e) {", file=body_text)
-            print("} catch (UnsupportedOperationException e) {", file=body_text)
-            print("   assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.{0}));".format(accessor.access_mode),
-                  file=body_text)
-            print("}", file=body_text)
-        expansions['body'] = body_text.getvalue();
-        with src_file_path.open("w") as src_file:
-            print(template.safe_substitute(expansions), file=src_file)
-
-def emit_boxing_return_value_type_test(accessor, var_type, output_path):
-    test_class = "BoxingReturn" + capitalize_first(accessor.method_name) + capitalize_first(var_type.name)
-    GENERATED_TEST_CLASSES.append(test_class)
-    src_file_path = output_path / java_file_for_class(test_class)
-    var_handle_kind = FIELD_VAR_HANDLE
-    expansions = build_template_dictionary(test_class, var_handle_kind, accessor, var_type)
-    template = Template("""
-${banner}
-
-${imports};
-import java.lang.invoke.WrongMethodTypeException;
-
-public class ${test_class} extends VarHandleUnitTest {
-    ${field_declarations};
-    private static final VarHandle vh;
-    static {
-        try {
-            vh = ${lookup};
-        } catch (Exception e) {
-            throw new RuntimeException("Unexpected initialization exception", e);
-        }
-    }
-
-    @Override
-    public void doTest() throws Exception {
-       ${body}
-    }
-
-    public static void main(String[] args) {
-         new ${test_class}().run();
-    }
-}
-""")
-    with io.StringIO() as body_text:
-        return_type = accessor.get_return_type(var_type)
-        compatible_types = { return_type }
-        for value_type in VALUE_TYPES:
-            print("try {", file=body_text)
-            print("{0} result = ({0}) ".format(value_type.boxed_type), end="", file=body_text)
-            print("vh.{0}(this".format(accessor.method_name), end="", file=body_text)
-            num_args = accessor.get_number_of_var_type_arguments()
-            for i in range(0, num_args):
-                print(", {0})".format(var_type.examples[i]), end="", file=body_text)
-            print(");", file=body_text)
-            if value_type in compatible_types:
-                print("   assertTrue(vh.isAccessModeSupported(VarHandle.AccessMode.{0}));".format(accessor.access_mode),
-                      file=body_text)
-            else:
-                print("failUnreachable();", file=body_text)
-                print("} catch (WrongMethodTypeException e) {", file=body_text)
-            print("} catch (UnsupportedOperationException e) {", file=body_text)
-            print("   assertFalse(vh.isAccessModeSupported(VarHandle.AccessMode.{0}));".format(accessor.access_mode),
-                  file=body_text)
-            print("}", file=body_text)
-        expansions['body'] = body_text.getvalue();
-        with src_file_path.open("w") as src_file:
-            print(template.safe_substitute(expansions), file=src_file)
-
-def emit_boxing_value_type_accessor_tests(output_path):
-    for var_type in VALUE_TYPES:
-        for accessor in VAR_HANDLE_ACCESSORS:
-            if accessor.get_number_of_var_type_arguments() > 0:
-                emit_boxing_value_type_accessor_test(accessor, var_type, output_path)
-            else:
-                emit_boxing_return_value_type_test(accessor, var_type, output_path)
-
-def emit_main(output_path, manual_test_classes):
-    main_file_path = output_path / "Main.java"
-    all_test_classes = GENERATED_TEST_CLASSES + manual_test_classes
-    with main_file_path.open("w") as main_file:
-        print("// " + BANNER, file=main_file)
-        print("""
-public class Main {
-    public static void main(String[] args) {
-""", file=main_file)
-        for cls in all_test_classes:
-            print("         " + cls + ".main(args);", file=main_file)
-        print("        VarHandleUnitTest.DEFAULT_COLLECTOR.printSummary();", file=main_file)
-        print("        System.exit(VarHandleUnitTest.DEFAULT_COLLECTOR.failuresOccurred() ? 1 : 0);", file=main_file)
-        print("    }\n}", file=main_file)
-
-def main(argv):
-    final_java_dir = Path(argv[1])
-    if not final_java_dir.exists() or not final_java_dir.is_dir():
-        print("{} is not a valid java dir".format(final_java_dir), file=sys.stderr)
-        sys.exit(1)
-    emit_value_type_accessor_tests(final_java_dir)
-    emit_reference_accessor_tests(final_java_dir)
-    emit_boxing_value_type_accessor_tests(final_java_dir)
-    emit_main(final_java_dir, argv[2:])
-
-if __name__ == '__main__':
-    main(sys.argv)