On Wed, 8 May 2024 09:40:38 GMT, Alan Bateman wrote:
> JEP 481 proposes Scoped Values to continue to preview in JDK 23 with one
> change. The type of the operation parameter of the callWhere method is
> changed to a new functional interface to avoid having the API throw
> Exception. With that
On Thu, 18 Apr 2024 13:53:34 GMT, Oussama Louati wrote:
> An indify tool in j.l.i tests (also in vmTestBase) convert some source-code
> private static methods with MT_ MH_, and INDY_ prefixes into MethodHandle,
> MethodType, and CallSite constants.
> It currently uses ad-hoc code to process
On Tue, 7 May 2024 22:23:48 GMT, Jonathan Gibbons wrote:
> With the advent of JEP 467, `///` comments may be treated as documentation
> comments, and may be subject to the recently new `javac` warning about
> "dangling doc comments" in unexpected places.
>
> In keeping with the policy to keep
On Thu, 16 May 2024 09:01:22 GMT, Per Minborg wrote:
>> # Stable Values & Collections (Internal)
>>
>> ## Summary
>> This PR proposes to introduce an internal _Stable Values & Collections_ API,
>> which provides immutable value holders where elements are initialized _at
>> most once_. Stable
On Wed, 15 May 2024 16:10:06 GMT, Chen Liang wrote:
>> Per Minborg has updated the pull request incrementally with one additional
>> commit since the last revision:
>>
>> Switch to monomorphic StableValue and use lazy arrays
>
>
On Wed, 15 May 2024 15:27:34 GMT, Per Minborg wrote:
>> # Stable Values & Collections (Internal)
>>
>> ## Summary
>> This PR proposes to introduce an internal _Stable Values & Collections_ API,
>> which provides immutable value holders where elements are initialized _at
>> most once_. Stable
On Wed, 15 May 2024 10:43:52 GMT, Alan Bateman wrote:
>> src/java.base/share/classes/jdk/internal/lang/stable/TrustedFieldType.java
>> line 14:
>>
>>> 12: * operations.
>>> 13: */
>>> 14: public sealed interface TrustedFieldType
>>
>> Maybe export this interface to `jdk.unsupported`?
>
>>
On Wed, 15 May 2024 10:55:31 GMT, Claes Redestad wrote:
>> This PR suggests refactoring the implementation classes of
>> java.lang.constant into a new package jdk.internal.constant to enable
>> sharing some trusted static factory methods with users elsewhere in
>> java.base, such as
On Wed, 15 May 2024 07:20:37 GMT, Claes Redestad wrote:
>> This PR suggests refactoring the implementation classes of
>> java.lang.constant into a new package jdk.internal.constant to enable
>> sharing some trusted static factory methods with users elsewhere in
>> java.base, such as
On Wed, 15 May 2024 07:48:42 GMT, Per Minborg wrote:
>> # Stable Values & Collections (Internal)
>>
>> ## Summary
>> This PR proposes to introduce an internal _Stable Values & Collections_ API,
>> which provides immutable value holders where elements are initialized _at
>> most once_. Stable
On Tue, 14 May 2024 18:10:28 GMT, Maurizio Cimadamore
wrote:
>> This PR implements [JEP 472](https://openjdk.org/jeps/472), by restricting
>> the use of JNI in the following ways:
>>
>> * `System::load` and `System::loadLibrary` are now restricted methods
>> * `Runtime::load` and
On Tue, 14 May 2024 13:47:33 GMT, Raffaello Giulietti
wrote:
>> All random number generator algorithms are implemented in module
>> `java.base`. The usage of `ServiceLoader` in `j.u.r.RandomGeneratorFactory`
>> is no longer needed.
>
> Raffaello Giulietti has updated the pull request
On Tue, 16 Apr 2024 11:47:23 GMT, Per Minborg wrote:
> # Stable Values & Collections (Internal)
>
> ## Summary
> This PR proposes to introduce an internal _Stable Values & Collections_ API,
> which provides immutable value holders where elements are initialized _at
> most once_. Stable Values
On Mon, 13 May 2024 11:47:38 GMT, Maurizio Cimadamore
wrote:
>> This PR implements [JEP 472](https://openjdk.org/jeps/472), by restricting
>> the use of JNI in the following ways:
>>
>> * `System::load` and `System::loadLibrary` are now restricted methods
>> * `Runtime::load` and
On Fri, 10 May 2024 13:24:53 GMT, Chen Liang wrote:
>> This is the implementation changes for JEP 471.
>>
>> The methods in sun.misc.Unsafe for on-heap and off-heap access are
>> deprecated for removal. This means a removal warning at compile time. No
>> methods have been removed. A
On Fri, 10 May 2024 21:55:26 GMT, Naoto Sato wrote:
> Making sure `restoreEcho` correctly reflects the state in the shutdown
> thread, which differs from the application's thread that issues the
> `readPassword()` method.
src/java.base/share/classes/jdk/internal/io/JdkConsoleImpl.java line
On Wed, 8 May 2024 20:17:18 GMT, Claes Redestad wrote:
>> This PR suggests refactoring the implementation classes of
>> java.lang.constant into a new package jdk.internal.constant to enable
>> sharing some trusted static factory methods with users elsewhere in
>> java.base, such as
On Wed, 8 May 2024 10:42:27 GMT, Claes Redestad wrote:
>> This PR suggests refactoring the implementation classes of
>> java.lang.constant into a new package jdk.internal.constant to enable
>> sharing some trusted static factory methods with users elsewhere in
>> java.base, such as
On Mon, 6 May 2024 15:18:17 GMT, Claes Redestad wrote:
>> src/java.base/share/classes/java/lang/constant/ClassDesc.java line 222:
>>
>>> 220: }
>>> 221: if (desc.length() == 1 && desc.charAt(0) == 'V') {
>>> 222: throw new IllegalArgumentException(String.format("not
On Mon, 6 May 2024 16:30:11 GMT, Sonia Zaldana Calles
wrote:
>> Hi folks,
>>
>> This PR aims to fix
>> [JDK-8329581](https://bugs.openjdk.org/browse/JDK-8329581).
>>
>> I think the regression got introduced in
>> [JDK-8315458](https://bugs.openjdk.org/browse/JDK-8315458).
>>
>> In the
On Tue, 30 Apr 2024 18:18:30 GMT, Paul Sandoz wrote:
>> Class files with specifically corrupted tableswitch or lookupswitch
>> instructions in the bytecode cause OutOfMemoryError while parsing with
>> Class-File API.
>> This patch performs additional checks to avoid OOME and adds relevant
On Thu, 18 Apr 2024 05:54:17 GMT, Adam Sotona wrote:
>> Current implementation of `LambdaMetafactory` does not allow to use lambdas
>> in hidden classes. Invocation throws `NoClassDefFoundError` instead.
>>
>> This patch includes lambda implementation in a hidden class under the
>> special
On Wed, 3 Apr 2024 07:13:13 GMT, Jan Lahoda wrote:
>> src/jdk.compiler/share/classes/com/sun/tools/javac/comp/TransPatterns.java
>> line 1415:
>>
>>> 1413:
>>> canonicalConstructorTypes,
>>> 1414:
On Fri, 26 Apr 2024 22:11:07 GMT, Chen Liang wrote:
>> Do we need additional tests or are these modifications already covered by
>> the existing tests?
>
> @minborg I have added a test as part of Collection mother-of-all-tests to
> ensure spliterator and forEach yields in the same order as
On Fri, 26 Apr 2024 07:43:01 GMT, Adam Sotona wrote:
>> ClassFile API dives into the nested constant pool entries without type
>> restrictions, while parsing a class file. Validation of the entry is
>> performed post-parsing. Specifically corrupted constant pool entry may cause
>> infinite
On Tue, 23 Apr 2024 13:54:42 GMT, Evemose wrote:
>> **Subject**
>> Addition of Predicate-based `indexOf` and `lastIndexOf` methods to
>> `java.util.List`
>>
>> **Motivation**
>> The motivation behind this proposal is to enhance the functionality of the
>> `List` interface by providing a more
On Fri, 19 Apr 2024 13:23:53 GMT, Claes Redestad wrote:
> We can reduce overhead of first use of a switch bootstrap by moving
> `typePairToName` into `TypePairs` and by explicitly overriding `hashCode` and
> `equals`. The first change avoids loading and initializing the `TypePairs`
> class in
On Fri, 5 Apr 2024 00:00:58 GMT, Evemose wrote:
> **Subject**
> Addition of Predicate-based `indexOf` and `lastIndexOf` methods to
> `java.util.List`
>
> **Motivation**
> The motivation behind this proposal is to enhance the functionality of the
> `List` interface by providing a more flexible
On Wed, 3 Apr 2024 10:52:10 GMT, Alan Bateman wrote:
> This is a test-only addition to add a test for virtual threads invoking a
> synchronized native method and invoking a native method that enter/exits a
> monitor with JNI MonitorEnter/MonitorExit. The test has been in the loom repo
> for
On Mon, 29 May 2023 07:25:26 GMT, Jan Lahoda wrote:
>> The pattern matching switches are using a bootstrap method
>> `SwitchBootstrap.typeSwitch` to implement the jumps in the switch.
>> Basically, for a switch like:
>>
>> switch (obj) {
>> case String s when s.isEmpty() -> {}
>> case
s all the missing `@throws` Javadoc tags and fixes
>> `NewPrimitiveArrayInstruction::of` factory method to perform the argument
>> check.
>>
>> Please review.
>>
>> Thank you,
>> Adam
>
> Adam Sotona has updated the pull request incrementally with one ad
On Tue, 2 Apr 2024 09:37:52 GMT, Adam Sotona wrote:
> `IllegalArgumentException` thrown by some static factory methods of the
> following `java.lang.classfile.instruction` interfaces are not documented:
>
> - `ArrayLoadInstruction`
> - `ArrayStoreInstruction`
> - `BranchInstruction`
> -
On Thu, 28 Mar 2024 14:08:44 GMT, Jan Lahoda wrote:
>> This is a patch for javac, that adds the Derived Record Creation
>> expressions. The current draft specification for the feature is:
>> https://cr.openjdk.org/~gbierman/jep468/jep468-20240326/specs/derived-record-creation-jls.html
>>
>>
On Mon, 1 Apr 2024 21:30:19 GMT, Scott Gibbons wrote:
>> This code makes an intrinsic stub for `Unsafe::setMemory`. See [this
>> PR](https://github.com/openjdk/jdk/pull/16760) for discussion around this
>> change.
>>
>> Overall, making this an intrinsic improves overall performance of
>>
On Tue, 5 Mar 2024 20:23:56 GMT, Jim Laskey wrote:
>> Currently, add is returning intern(e) == null which will always be false.
>> The correct test is intern(e) == e , that is, true when element is newly
>> added.
>
> Jim Laskey has updated the pull request incrementally with one additional
>
On Tue, 3 Oct 2023 06:19:11 GMT, Shaojin Wen wrote:
> Currently FormatItem uses MethodHandler to handle latin1 and utf16, which is
> not readable. This PR uses direct calls instead of MethodHandler.
>
> Please review and don't hesitate to critique my approach and patch.
It’s `MethodHandle`,
On Mon, 4 Mar 2024 13:52:13 GMT, Jan Lahoda wrote:
> Currently, JDK modules load by the bootstrap and platform ClassLoaders are
> automatically granted the native access. I am working on an upgrade of JLine
> inside the `jdk.internal.le` module, and I would like to replace the current
>
On Tue, 6 Feb 2024 18:43:09 GMT, Jim Laskey wrote:
>> Currently, add is returning intern(e) == null which will always be false.
>> The correct test is intern(e) == e , that is, true when element is newly
>> added.
>
> Jim Laskey has updated the pull request incrementally with one additional
>
On Mon, 5 Feb 2024 16:59:51 GMT, Jim Laskey wrote:
>> ok, `intern(e) == e` is sufficient.
>
> Created https://bugs.openjdk.org/browse/JDK-8325255
While `intern(e) == e` is (mostly) sufficient, it will return a false positive
when `add(e)` is called and `e` is already present in the map, the
On Fri, 2 Feb 2024 07:41:16 GMT, Per Minborg wrote:
>> This PR proposes to implement `hashCode()` and `equals()` methods for
>> implementations of `PathElement`.
>>
>> In doing so, the previous `PathElementImpl` was removed and replaced in
>> favor of distinct `record` implementations, each
On Mon, 31 Jul 2023 13:34:30 GMT, Jim Laskey wrote:
>> java.lang.runtime.ReferencedKeyMap was introduced to provide a concurrent
>> caching scheme for Carrier objects. The technique used is generally useful
>> for a variety of caching schemes and is being moved to be shared in other
>> parts
On Fri, 2 Feb 2024 13:54:46 GMT, Claes Redestad wrote:
> This patch streamlines and specializes various `String::indexOf` methods.
> Mainly avoids the need for clamping and doing checks that are redundant in
> almost all cases, moving the checks to the API boundary where they are
> needed.
>
On Wed, 31 Jan 2024 10:03:23 GMT, Aggelos Biboudis
wrote:
>> This is the proposed patch for Primitive types in patterns, instanceof, and
>> switch (Preview).
>>
>> Draft spec here: https://cr.openjdk.org/~abimpoudis/instanceof/latest/
>
> Aggelos Biboudis has updated the pull request with a
On Fri, 26 Jan 2024 17:36:52 GMT, Jim Laskey wrote:
>> Currently String::translateEscapes does not support unicode escapes,
>> reported as a IllegalArgumentException("Invalid escape sequence: ...").
>> String::translateEscapes should translate unicode escape sequences to
>> provide full
On Fri, 12 Jan 2024 14:35:01 GMT, Per Minborg wrote:
>> This PR proposes to add a clarification that an `Arena` always returns
>> zeroed-out segments for `Arena::allocate` methods.
>>
>> Note that other overloaded methods refer to the abstract `Arena::allocate`
>> method via implementation
On Thu, 18 Jan 2024 05:32:26 GMT, jmehrens wrote:
>> Joshua Cao has updated the pull request incrementally with one additional
>> commit since the last revision:
>>
>> putAll presize based on sum on both map sizes
>
> src/java.base/share/classes/java/util/concurrent/ConcurrentHashMap.java
On Mon, 6 Nov 2023 07:30:41 GMT, Chen Liang wrote:
> API changes as discussed on the mailing list:
> https://mail.openjdk.org/pipermail/classfile-api-dev/2023-November/000419.html
>
> Additional questions:
> 1. Whether to rename `WildcardIndicator.DEFAULT` to `NONE`
On Mon, 6 Nov 2023 07:30:41 GMT, Chen Liang wrote:
> API changes as discussed on the mailing list:
> https://mail.openjdk.org/pipermail/classfile-api-dev/2023-November/000419.html
>
> Additional questions:
> 1. Whether to rename `WildcardIndicator.DEFAULT` to `NONE`
On Thu, 21 Dec 2023 12:49:02 GMT, Adam Sotona wrote:
>> java.base java.lang.reflect.ProxyGenerator uses ASM to generate proxy
>> classes.
>>
>> This patch converts it to use Classfile API.
>>
>> It is continuation of https://github.com/openjdk/jdk/pull/10991
>>
>> Any comments and
On Sat, 23 Dec 2023 12:40:33 GMT, Chen Liang wrote:
>> Adam Sotona has updated the pull request incrementally with one additional
>> commit since the last revision:
>>
>> minor StackCounter fix
>
> src/java.base/share/classes/jdk/internal/classfile/impl/StackCounter.java
> line 49:
>
>>
On Thu, 21 Dec 2023 18:30:40 GMT, Rob Spoor wrote:
>> Sergey Tsypanov has updated the pull request incrementally with one
>> additional commit since the last revision:
>>
>> Update src/java.base/share/classes/java/lang/runtime/ObjectMethods.java
>>
>>
On Thu, 21 Dec 2023 14:47:43 GMT, ExE Boss wrote:
>> Sergey Tsypanov has updated the pull request incrementally with one
>> additional commit since the last revision:
>>
>> 8322292: Tiny improvement
>
> src/java.base/share/classes/java/lang/runtime/ObjectMe
On Wed, 20 Dec 2023 10:11:58 GMT, Sergey Tsypanov wrote:
>> Currently if we create a record it's fields are compared in their
>> declaration order. This might be ineffective in cases when two objects have
>> "heavy" fields equals to each other, but different "lightweight" fields
>> (heavy and
On Fri, 15 Dec 2023 12:54:27 GMT, Adam Sotona wrote:
> java.base java.lang.reflect.ProxyGenerator uses ASM to generate proxy classes.
>
> This patch converts it to use Classfile API.
>
> It is continuation of https://github.com/openjdk/jdk/pull/10991
>
> Any comments and suggestions are
On Fri, 15 Dec 2023 12:26:50 GMT, Adam Sotona wrote:
>> java.base java.lang.invoke package heavily uses ASM to generate lambdas and
>> method handles.
>>
>> This patch converts ASM calls to Classfile API.
>>
>> This PR is continuation of https://github.com/openjdk/jdk/pull/12945
>>
>> Any
On Fri, 15 Dec 2023 12:26:50 GMT, Adam Sotona wrote:
>> java.base java.lang.invoke package heavily uses ASM to generate lambdas and
>> method handles.
>>
>> This patch converts ASM calls to Classfile API.
>>
>> This PR is continuation of https://github.com/openjdk/jdk/pull/12945
>>
>> Any
On Thu, 14 Dec 2023 12:39:52 GMT, Adam Sotona wrote:
> java.base java.lang.invoke package heavily uses ASM to generate lambdas and
> method handles.
>
> This patch converts ASM calls to Classfile API.
>
> This PR is continuation of https://github.com/openjdk/jdk/pull/12945
>
> Any comments
On Wed, 6 Dec 2023 23:31:26 GMT, Roger Riggs wrote:
> In the compact string implementation of non-latin1 (UTF16) strings the length
> is constrained by VM implementation limit on the size a byte array that can
> be allocated. To produce a useful exception the implementation checks the
>
On Mon, 4 Dec 2023 16:08:32 GMT, Alan Bateman wrote:
> When a virtual thread continues after Thread.yield it currently consumes
> thread's parking permit. This is an oversight, the parking permit should only
> be consumed when continuing after park.
>
> The changes are straight-forward. The
On Sun, 24 Sep 2023 13:17:05 GMT, Chen Liang wrote:
> 1. Primitive array VHs are now singletons and no longer need to record their
> array base and offset in their object themselves.
> 2. Moved Unsafe offset calculation to a utility method, like `index` in
> VarHandleByteArrayView.
Note that
On Mon, 30 Oct 2023 15:38:35 GMT, Viktor Klang wrote:
> This is a Draft PR for [JEP-461](https://openjdk.org/jeps/461)
These should probably use `{@snippet ...}`:
src/java.base/share/classes/java/util/stream/Gatherer.java line 82:
> 80: * }
> 81: * gatherer.finisher().accept(state,
On Tue, 7 Nov 2023 18:34:42 GMT, Mandy Chung wrote:
>> `jdk.lambda.vm.InterfaceAccessFlagsTest` uses `ClassToInterfaceConverter` to
>> mechanically convert a classfile for a Class into an in-memory class
>> representation of an equivalent Interface. `testPrivateMethodCall` tests
>> to
On Mon, 30 Oct 2023 18:34:44 GMT, Roger Riggs wrote:
> Strings, after construction, are immutable but may be constructed from
> mutable arrays of bytes, characters, or integers.
> The string constructors should guard against the effects of mutating the
> arrays during construction that might
On Thu, 19 Oct 2023 13:36:01 GMT, Per Minborg wrote:
>> This PR outlines a solution for making immutable maps `@ValueBased` by
>> removing cacheing of certain values in `AbstractMap`.
>>
>> By removing these caching fields in `AbstractMap`, we can make the immutable
>> maps `@ValueBased` and
On Tue, 17 Oct 2023 08:05:09 GMT, Per Minborg wrote:
> This PR proposes to add a number of "capturing factories" in classes in the
> `java.util.function` package.
>
> The PR additionally (an optionally) proposes to add a new function
> `UnaryOperator::andThenUnary` to allow composition while
On Wed, 13 Sep 2023 01:24:05 GMT, Shaojin Wen wrote:
> 1. Reduce duplicate stringSize code
> 2. Move java.lang.StringLatin1.getChars to
> jdk.internal.util.DecimalDigits::getCharLatin1，not only java.lang, other
> packages also need to use this method
The `throws Throwable` declarations are no
On Tue, 3 Oct 2023 14:11:08 GMT, Adam Sotona wrote:
>> Classfile API is an internal library under package `jdk.internal.classfile`
>> in JDK 21.
>> This pull request turns the Classfile API into a preview feature and moves
>> it into `java.lang.classfile`.
>> It repackages all uses across JDK
On Thu, 28 Sep 2023 13:33:32 GMT, Jorn Vernee wrote:
>> This patch contains the implementation of the foreign linker & memory API
>> JEP for Java 22. The initial patch is composed of commits brought over
>> directly from the [panama-foreign
>> repo](https://github.com/openjdk/panama-foreign).
On Sat, 23 Sep 2023 17:44:51 GMT, 温绍锦 wrote:
>> 1. Reduce duplicate stringSize code
>> 2. Move java.lang.StringLatin1.getChars to
>> jdk.internal.util.DecimalDigits::getCharLatin1，not only java.lang, other
>> packages also need to use this method
>
> 温绍锦 has updated the pull request
On Fri, 22 Sep 2023 07:19:27 GMT, 温绍锦 wrote:
>> 1. Reduce duplicate stringSize code
>> 2. Move java.lang.StringLatin1.getChars to
>> jdk.internal.util.DecimalDigits::getCharLatin1，not only java.lang, other
>> packages also need to use this method
>
> 温绍锦 has updated the pull request
On Thu, 21 Sep 2023 12:51:56 GMT, Raffaello Giulietti
wrote:
> By correctly sizing an intermediate `byte[]` and making use of the internal
> `newStringNoRepl()` method, one allocation per conversion can be avoided when
> the runtime uses compact strings.
These constant names should be in
On Thu, 7 Sep 2023 11:13:44 GMT, Per Minborg wrote:
> This PR outlines a solution for making immutable maps `@ValueBased` by
> removing cacheing of certain values in `AbstractMap`.
>
> By removing these caching fields in `AbstractMap`, we can make the immutable
> maps `@ValueBased` and at the
On Thu, 7 Sep 2023 19:27:14 GMT, Mandy Chung wrote:
>> 8268829: Provide an optimized way to walk the stack with Class object only
>>
>> `StackWalker::walk` creates one `StackFrame` per frame and the current
>> implementation
>> allocates one `StackFrameInfo` and one `MemberName` objects per
On Wed, 13 Sep 2023 14:56:15 GMT, 温绍锦 wrote:
> In many scenarios, DateTimeFormatter::format is a slower operation.
>
> For example, the following business scenarios
> 1. The json library
> gson/jackson/[fastjson2](https://github.com/alibaba/fastjson2) formats
>
ng
>> linux-x86 as a test bed.
>> 9. https://github.com/openjdk/panama-foreign/pull/850 Make the linker API
>> required. The `Linker::nativeLinker` method is not longer allowed to throw
>> an `UnsupportedO...
>
> Jorn Vernee has updated the pull request incrementally wit
On Tue, 12 Sep 2023 17:23:00 GMT, 温绍锦 wrote:
>> improve date toString performance, includes:
>>
>> java.util.Date.toString
>> java.util.Date.toGMTString
>> java.time.Instant.toString
>> java.time.LocalDate.toString
>> java.time.LocalDateTime.toString
>> java.time.LocalTime.toString
>
> 温绍锦 has
On Mon, 11 Sep 2023 15:37:11 GMT, Jorn Vernee wrote:
>> This patch contains the implementation of the foreign linker & memory API
>> JEP for Java 22. The initial patch is composed of commits brought over
>> directly from the [panama-foreign
>> repo](https://github.com/openjdk/panama-foreign).
On Fri, 8 Sep 2023 20:36:31 GMT, 温绍锦 wrote:
>> [PR 14578 ](https://github.com/openjdk/jdk/pull/14578) still has unresolved
>> discussions, continue to make improvements.
>>
>> # Benchmark Result
>>
>>
>> sh make/devkit/createJMHBundle.sh
>> bash configure --with-jmh=build/jmh/jars
>> make
On Thu, 7 Sep 2023 13:07:50 GMT, Jorn Vernee wrote:
>> This patch contains the implementation of the foreign linker & memory API
>> JEP for Java 22. The initial patch is composed of commits brought over
>> directly from the [panama-foreign
>> repo](https://github.com/openjdk/panama-foreign).
On Wed, 6 Sep 2023 19:47:19 GMT, Mandy Chung wrote:
>> src/java.base/share/classes/java/lang/invoke/MethodHandles.java line 3534:
>>
>>> 3532: * This method is only used to implement the unsupported
>>> 3533: *
>>> sun.reflect.ReflectionFactory::newConstructorForSerialization
On Wed, 6 Sep 2023 18:34:29 GMT, Mandy Chung wrote:
> This reimplements
> `sun.reflect.ReflectionFactory::newConstructorForSerialization` with method
> handles.
>
> This API currently generates the bytecode which fails the verification
> because `new C; invokespecial A()` where the given
On Wed, 6 Sep 2023 18:34:29 GMT, Mandy Chung wrote:
> This reimplements
> `sun.reflect.ReflectionFactory::newConstructorForSerialization` with method
> handles.
>
> This API currently generates the bytecode which fails the verification
> because `new C; invokespecial A()` where the given
On Wed, 6 Sep 2023 12:28:05 GMT, Adam Sotona wrote:
>> This PR improved Classfile API attributes handling safety by introduction of
>> attribute stability indicator
>> and by extension of UnknownAttributesOption to more general
>> AttributesProcessingOption.
>
> Adam Sotona has updated the
On Tue, 5 Sep 2023 15:25:04 GMT, Adam Sotona wrote:
>> Classfile API `ConstantPool::entryCount` and `ConstantPool::entryByIndex`
>> methods are confusing and unsafe to use without knowledge of constant pool
>> specification.
>> This patch renames `ConstantPool::entryCount` to
On Tue, 5 Sep 2023 09:38:17 GMT, Per Minborg wrote:
>> This PR proposes to read the system environment variable "SystemRoot" using
>> a privileged operation so it will work in the event a default
>> SecurityManager is in place.
>>
>> As the `SecurityManager` is deprecated for removal, no
On Mon, 21 Aug 2023 16:04:49 GMT, Raffaello Giulietti
wrote:
>> This improves the identification of the serialization magic fields and
>> methods.
>
> Raffaello Giulietti has updated the pull request incrementally with one
> additional commit since the last revision:
>
> Removed a
On Tue, 1 Aug 2023 10:29:06 GMT, Jorn Vernee wrote:
> This patch contains the implementation of the foreign linker & memory API JEP
> for Java 22. The initial patch is composed of commits brought over directly
> from the [panama-foreign repo](https://github.com/openjdk/panama-foreign).
> The
On Tue, 11 Jul 2023 15:47:35 GMT, Volker Simonis wrote:
>> As the included jtreg test demonstrates, `StackWalker.getCallerClass()` can
>> throw an `UnsupportedOperationException` if called reflectively. Currently
>> this only happens if we invoke `StackWalker.getCallerClass()` recursively
>>
On Fri, 7 Jul 2023 17:15:38 GMT, Mandy Chung wrote:
>> Chen Liang has refreshed the contents of this pull request, and previous
>> commits have been removed. The incremental views will show differences
>> compared to the previous content of the PR. The pull request contains one
>> new commit
On Fri, 7 Jul 2023 23:42:51 GMT, 温绍锦 wrote:
>> src/java.base/share/classes/java/util/UUID.java line 475:
>>
>>> 473: long msb = mostSigBits;
>>> 474: byte[] buf = new byte[36];
>>> 475: UNSAFE.putLongUnaligned(
>>
>> I understood that since UUID was not used during
On Sat, 1 Jul 2023 03:22:06 GMT, 温绍锦 wrote:
>> [PR 14578 ](https://github.com/openjdk/jdk/pull/14578) still has unresolved
>> discussions, continue to make improvements.
>>
>> # Benchmark Result
>>
>>
>> sh make/devkit/createJMHBundle.sh
>> bash configure --with-jmh=build/jmh/jars
>> make
On Sun, 25 Jun 2023 12:20:17 GMT, 温绍锦 wrote:
>> By optimizing the implementation of java.lang.Long#fastUUID, the performance
>> of the java.util.UUID#toString method can be significantly improved.
>>
>> The following are the test results of JMH:
>>
>> Benchmark Mode Cnt
On Fri, 23 Jun 2023 23:25:25 GMT, 温绍锦 wrote:
>> src/java.base/share/classes/java/lang/Long.java line 493:
>>
>>> 491: | H256[((int) lsb) & 0xff]);
>>> 492:
>>> 493: return new String(buf, LATIN1);
>>
>> Note that this isn’t correct when `COMPACT_STRINGS` is
On Fri, 23 Jun 2023 11:24:23 GMT, 温绍锦 wrote:
>> By optimizing the implementation of java.lang.Long#fastUUID, the performance
>> of the java.util.UUID#toString method can be significantly improved.
>>
>> The following are the test results of JMH:
>>
>> Benchmark Mode Cnt
On Thu, 22 Jun 2023 11:07:09 GMT, 温绍锦 wrote:
>> By optimizing the implementation of java.lang.Long#fastUUID, the performance
>> of the java.util.UUID#toString method can be significantly improved.
>>
>> The following are the test results of JMH:
>>
>> Benchmark Mode Cnt
On Wed, 21 Jun 2023 14:53:22 GMT, Roger Riggs wrote:
>> 温绍锦 has updated the pull request incrementally with one additional commit
>> since the last revision:
>>
>> add annotation Stable
>
> src/java.base/share/classes/java/lang/Long.java line 563:
>
>> 561:
On Sun, 18 Jun 2023 18:56:39 GMT, Jens Lidestrom wrote:
>> Mandy Chung has updated the pull request incrementally with one additional
>> commit since the last revision:
>>
>> missing 'L' for the array class name
>
> src/java.base/share/classes/java/lang/Class.java line 427:
>
>> 425: *
On Mon, 12 Jun 2023 09:45:18 GMT, Chen Liang wrote:
> Thanks to @exe-boss for the reviews in #13082. This cleanup patch fixed the
> typos you pointed out and removed other redundancies in classfile Util as
> well.
src/java.base/share/classes/jdk/internal/classfile/impl/Util.jav
On Wed, 7 Jun 2023 14:15:10 GMT, Chen Liang wrote:
>> Add API to explore Class Hierarchy with a `ClassLoader` or a `Lookup` with
>> proper privileges, with tests.
>>
>> This addition is useful in case classes at runtime are not loaded from the
>> system class loader, such as Proxy. This is
On Thu, 8 Jun 2023 16:46:55 GMT, Mandy Chung wrote:
>> JEP 416 integrated in JDK 18 and since then, only a couple minor issues has
>> been reported. Those issues were related with exception being thrown with
>> invalid arguments. We propose to remove the old core reflection
>>
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