Lightweight library allowing to introspect basic stuff about Kotlin symbols

Last update: Dec 29, 2022

Related tags

Overview

kotlinx.reflect.lite

This library provides an API to introspect Kotlin symbols at runtime. Its main feature is the small size which makes it possible to use it on memory-constrained devices.

Maven

Add jcenter repository (if you don't have it yet)

<repository>
    <snapshots>
        <enabled>false</enabled>
    </snapshots>
    <id>central</id>
    <name>bintray</name>
    <url>https://jcenter.bintray.com</url>
</repository>

Add a dependency:

<dependency>
    <groupId>org.jetbrains.kotlinx</groupId>
    <artifactId>kotlinx.reflect.lite</artifactId>
    <version>1.0.0</version>
</dependency>

Gradle

jcenter is configured by default in gradle however you may need to include it in some cases

repositories {
    jcenter()
}

Add a dependency:

compile 'org.jetbrains.kotlinx:kotlinx.reflect.lite:1.0.0'

FAQ

Why not just use Java reflection instead?

Java reflection cannot figure out Kotlin-specific features of the introspected program. For example, nullability of Kotlin types is erased in JVM bytecode.

Also parameter names were not supported in Java reflection until Java 8.

Why not just use Kotlin reflection instead?

While Kotlin has its own reflection library, its size is currently above 2Mb which may be unacceptable in some circumstances, for example on Android.

The size of the minimized version of this library is about 100Kb plus the dependency on protobuf-java.

What is supported?

Currently the only supported features are names of parameters and nullability of their types.

Comments

Improve kotlinx.reflect.lite and rewrite it to use kotlinx.metadata.jvm under the hood

This pull request prepares the kotlinx.reflect.lite for a new release 1.1.0, ~the main feature of which is the ability to introspect not only the java.lang.Class objects, but also .class files~ [1]. Some new API has been added (requested in KT-11386). All of the existing API has been documented (no API docs yet though, unfortunately), and an example has been added to the ReadMe.

[1]: UPD: As noted in KT-11386, making kotlinx.reflect.lite understand .class files without the context of Java reflection is no longer necessary because it can be achieved via kotlinx.metadata.jvm. This pull request has since been repurposed to only contain reimplementation of kotlinx.reflect.lite based on kotlinx.metadata.jvm, and requested improvements in the API.

opened by udalov 19
Support subset needed by Moshi
If kotlinx.reflect.lite could support the subset needed by Moshi, could make Moshi with reflection a more viable option.

https://github.com/square/moshi/blob/master/kotlin/reflect/src/main/java/com/squareup/moshi/kotlin/reflect/KotlinJsonAdapter.kt

import kotlin.reflect.full.findAnnotation import kotlin.reflect.full.memberProperties import kotlin.reflect.full.primaryConstructor import kotlin.reflect.jvm.isAccessible import kotlin.reflect.jvm.javaField import kotlin.reflect.jvm.javaType
opened by yogurtearl 5
Duplicate class a.a.a.c.a found in kotlinx.reflect.lite-1.0.0.jar

Hi, I'm facing this exception with one of my dependency provided by a vendor. Is there a way to fix this?

Duplicate class a.a.a.c.a found in kotlinx.reflect.lite-1.0.0.jar

opened by SaqibJDev 2

Errors with the old version in the classpath

IDE indexing doesn't like the 1038 versino

Error while indexing /Users/jminard/.gradle/caches/modules-2/files-2.1/org.jetbrains.kotlinx/kotlinx.reflect.lite/1.0.0-beta-1038/da6b747014cae64c86606d8627cb4ee5c35d4148/kotlinx.reflect.lite-1.0.0-beta-1038.jar!/a/a/a/a/a/a.class
To reindex this file IDEA has to be restarted: Could not find class data for nested class Companion of class a/a/a/a/a/a
java.lang.AssertionError: Could not find class data for nested class Companion of class a/a/a/a/a/a
    at org.jetbrains.kotlin.idea.decompiler.stubBuilder.ClassClsStubBuilder.createNestedClassStub(ClassClsStubBuilder.kt:237)
    at org.jetbrains.kotlin.idea.decompiler.stubBuilder.ClassClsStubBuilder.createCompanionObjectStub(ClassClsStubBuilder.kt:171)
    at org.jetbrains.kotlin.idea.decompiler.stubBuilder.ClassClsStubBuilder.createClassBodyAndMemberStubs(ClassClsStubBuilder.kt:160)
    at org.jetbrains.kotlin.idea.decompiler.stubBuilder.ClassClsStubBuilder.build(ClassClsStubBuilder.kt:74)
    at org.jetbrains.kotlin.idea.decompiler.stubBuilder.ClassClsStubBuilderKt.createClassStub(ClassClsStubBuilder.kt:43)
    at org.jetbrains.kotlin.idea.decompiler.stubBuilder.ClsStubBuildingKt.createTopLevelClassStub(clsStubBuilding.kt:44)
    at org.jetbrains.kotlin.idea.decompiler.classFile.KotlinClsStubBuilder.doBuildFileStub(KotlinClsStubBuilder.kt:90)
    at org.jetbrains.kotlin.idea.decompiler.classFile.KotlinClsStubBuilder.buildFileStub(KotlinClsStubBuilder.kt:57)
    at com.intellij.psi.impl.compiled.ClassFileStubBuilder.buildStubTree(ClassFileStubBuilder.java:58)
    at com.intellij.psi.impl.compiled.ClassFileStubBuilder.buildStubTree(ClassFileStubBuilder.java:38)
    at com.intellij.psi.stubs.StubTreeBuilder.buildStubTree(StubTreeBuilder.java:63)
    at com.intellij.psi.stubs.StubUpdatingIndex$3$1.run(StubUpdatingIndex.java:127)
    at com.intellij.openapi.application.impl.ApplicationImpl.runReadAction(ApplicationImpl.java:947)
    at com.intellij.psi.stubs.StubUpdatingIndex$3.map(StubUpdatingIndex.java:124)
    at com.intellij.psi.stubs.StubUpdatingIndex$3.map(StubUpdatingIndex.java:118)
    at com.intellij.util.indexing.MapReduceIndex.update(MapReduceIndex.java:398)
    at com.intellij.util.indexing.FileBasedIndexImpl.updateSingleIndex(FileBasedIndexImpl.java:1815)
    at com.intellij.util.indexing.FileBasedIndexImpl$23.run(FileBasedIndexImpl.java:1744)
    at com.intellij.openapi.fileTypes.impl.FileTypeManagerImpl.freezeFileTypeTemporarilyIn(FileTypeManagerImpl.java:504)
    at com.intellij.util.indexing.FileBasedIndexImpl.a(FileBasedIndexImpl.java:1702)
    at com.intellij.util.indexing.FileBasedIndexImpl.indexFileContent(FileBasedIndexImpl.java:1687)
    at com.intellij.util.indexing.UnindexedFilesUpdater$2.consume(UnindexedFilesUpdater.java:108)
    at com.intellij.util.indexing.UnindexedFilesUpdater$2.consume(UnindexedFilesUpdater.java:105)
    at com.intellij.openapi.project.CacheUpdateRunner$MyRunnable$1.run(CacheUpdateRunner.java:233)
    at com.intellij.openapi.application.impl.ApplicationImpl.tryRunReadAction(ApplicationImpl.java:1180)
    at com.intellij.openapi.project.CacheUpdateRunner$MyRunnable$2.run(CacheUpdateRunner.java:253)
    at com.intellij.openapi.progress.impl.CoreProgressManager$2.run(CoreProgressManager.java:142)
    at com.intellij.openapi.progress.impl.CoreProgressManager.a(CoreProgressManager.java:446)
    at com.intellij.openapi.progress.impl.CoreProgressManager.a(CoreProgressManager.java:443)
    at com.intellij.openapi.progress.impl.CoreProgressManager.executeProcessUnderProgress(CoreProgressManager.java:392)
    at com.intellij.openapi.progress.impl.ProgressManagerImpl.executeProcessUnderProgress(ProgressManagerImpl.java:54)
    at com.intellij.openapi.progress.impl.CoreProgressManager.runProcess(CoreProgressManager.java:127)
    at com.intellij.openapi.project.CacheUpdateRunner$MyRunnable.run(CacheUpdateRunner.java:247)
    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
    at java.util.concurrent.FutureTask.run(FutureTask.java:266)
    at com.intellij.util.concurrency.BoundedTaskExecutor$2.run(BoundedTaskExecutor.java:169)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    at java.lang.Thread.run(Thread.java:745)
    at org.jetbrains.ide.PooledThreadExecutor$2$1.run(PooledThreadExecutor.java:71)



java.lang.AssertionError: Could not find class data for nested class PropertySignature of class a/a/a/c/b/v
    at org.jetbrains.kotlin.idea.decompiler.stubBuilder.ClassClsStubBuilder.createNestedClassStub(ClassClsStubBuilder.kt:237)
    at org.jetbrains.kotlin.idea.decompiler.stubBuilder.ClassClsStubBuilder.createInnerAndNestedClasses(ClassClsStubBuilder.kt:230)
    at org.jetbrains.kotlin.idea.decompiler.stubBuilder.ClassClsStubBuilder.createClassBodyAndMemberStubs(ClassClsStubBuilder.kt:162)
    at org.jetbrains.kotlin.idea.decompiler.stubBuilder.ClassClsStubBuilder.build(ClassClsStubBuilder.kt:74)
    at org.jetbrains.kotlin.idea.decompiler.stubBuilder.ClassClsStubBuilderKt.createClassStub(ClassClsStubBuilder.kt:43)
    at org.jetbrains.kotlin.idea.decompiler.stubBuilder.ClsStubBuildingKt.createTopLevelClassStub(clsStubBuilding.kt:44)
    at org.jetbrains.kotlin.idea.decompiler.classFile.KotlinClsStubBuilder.doBuildFileStub(KotlinClsStubBuilder.kt:90)
    at org.jetbrains.kotlin.idea.decompiler.classFile.KotlinClsStubBuilder.buildFileStub(KotlinClsStubBuilder.kt:57)
    at com.intellij.psi.impl.compiled.ClassFileStubBuilder.buildStubTree(ClassFileStubBuilder.java:58)
    at com.intellij.psi.impl.compiled.ClassFileStubBuilder.buildStubTree(ClassFileStubBuilder.java:38)
    at com.intellij.psi.stubs.StubTreeBuilder.buildStubTree(StubTreeBuilder.java:63)
    at com.intellij.psi.stubs.StubUpdatingIndex$3$1.run(StubUpdatingIndex.java:127)
    at com.intellij.openapi.application.impl.ApplicationImpl.runReadAction(ApplicationImpl.java:947)
    at com.intellij.psi.stubs.StubUpdatingIndex$3.map(StubUpdatingIndex.java:124)
    at com.intellij.psi.stubs.StubUpdatingIndex$3.map(StubUpdatingIndex.java:118)
    at com.intellij.util.indexing.MapReduceIndex.update(MapReduceIndex.java:398)
    at com.intellij.util.indexing.FileBasedIndexImpl.updateSingleIndex(FileBasedIndexImpl.java:1815)
    at com.intellij.util.indexing.FileBasedIndexImpl$23.run(FileBasedIndexImpl.java:1744)
    at com.intellij.openapi.fileTypes.impl.FileTypeManagerImpl.freezeFileTypeTemporarilyIn(FileTypeManagerImpl.java:504)
    at com.intellij.util.indexing.FileBasedIndexImpl.a(FileBasedIndexImpl.java:1702)
    at com.intellij.util.indexing.FileBasedIndexImpl.indexFileContent(FileBasedIndexImpl.java:1687)
    at com.intellij.util.indexing.UnindexedFilesUpdater$2.consume(UnindexedFilesUpdater.java:108)
    at com.intellij.util.indexing.UnindexedFilesUpdater$2.consume(UnindexedFilesUpdater.java:105)
    at com.intellij.openapi.project.CacheUpdateRunner$MyRunnable$1.run(CacheUpdateRunner.java:233)
    at com.intellij.openapi.application.impl.ApplicationImpl.tryRunReadAction(ApplicationImpl.java:1180)
    at com.intellij.openapi.project.CacheUpdateRunner$MyRunnable$2.run(CacheUpdateRunner.java:253)
    at com.intellij.openapi.progress.impl.CoreProgressManager$2.run(CoreProgressManager.java:142)
    at com.intellij.openapi.progress.impl.CoreProgressManager.a(CoreProgressManager.java:446)
    at com.intellij.openapi.progress.impl.CoreProgressManager.a(CoreProgressManager.java:443)
    at com.intellij.openapi.progress.impl.CoreProgressManager.executeProcessUnderProgress(CoreProgressManager.java:392)
    at com.intellij.openapi.progress.impl.ProgressManagerImpl.executeProcessUnderProgress(ProgressManagerImpl.java:54)
    at com.intellij.openapi.progress.impl.CoreProgressManager.runProcess(CoreProgressManager.java:127)
    at com.intellij.openapi.project.CacheUpdateRunner$MyRunnable.run(CacheUpdateRunner.java:247)
    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
    at java.util.concurrent.FutureTask.run(FutureTask.java:266)
    at com.intellij.util.concurrency.BoundedTaskExecutor$2.run(BoundedTaskExecutor.java:169)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    at java.lang.Thread.run(Thread.java:745)
    at org.jetbrains.ide.PooledThreadExecutor$2$1.run(PooledThreadExecutor.java:71)

opened by apatrida 2

Add `Kover` plugin and set up basic rules

Will add koverReport as a build step in TeamCity after this gets merged, and will add codecov.io integration later this week if everyone's fine with JaCoCo engine

Targeting master to mitigate build failures after it's added as a step in TC (the alternative is branch-specific settings, but imho that overcomplicates things)

opened by IgnatBeresnev 1
Bump kotlin-stdlib from 1.0.3 to 1.6.0
Bumps kotlin-stdlib from 1.0.3 to 1.6.0.

Release notes

Sourced from kotlin-stdlib's releases.

Kotlin 1.6.0

Changelog

Android

KT-48019 Bundle Kotlin Tooling Metadata into apk artifacts

KT-47733 JVM / IR: Android Synthetic don't generate _findCachedViewById function

Compiler

New Features

KT-47984 In-place arguments inlining for @InlineOnly functions

KT-12794 Allow runtime retention repeatable annotations when compiling under Java 8

KT-43714 Support annotations on class type parameters (AnnotationTarget.TYPE_PARAMETER)

KT-45949 Kotlin/Native: Improve bound check elimination

KT-43919 Support loading Java annotations on base classes and implementing interfaces' type arguments

KT-48194 Try to resolve calls where we don't have enough type information, using the builder inference despite the presence of the annotation

KT-47736 Support conversion from regular functional types to suspending ones in JVM IR

KT-39055 Support property delegate created via synthetic method instead of field

Performance Improvements

KT-45185 FIR2IR: get rid of IrBuiltIns usages

KT-47918 JVM / IR: Performance degradation with const-bound for-cycles

KT-33835 Bytecode including unnecessary null checks for safe calls where left-hand side is non-nullable

KT-41510 Compilation of kotlin html DSL is still too slow

KT-48211 We spend a lot of time in ExpectActual declaration checker when there is very small amount of actual/expect declaration

KT-39054 Optimize delegated properties which call get/set on the given KProperty instance on JVM

KT-46615 Don't generate nullability assertions in methods for directly invoked lambdas

Fixes

KT-49613 JVM / IR: "Exception during IR lowering" with java fun interface and it's non-trivial usage

KT-49548 "ClassCastException: java.util.ArrayList$Itr cannot be cast to kotlin.collections.IntIterator" with Iterable inside let

KT-22562 Deprecate calls to "suspend" named functions with single dangling lambda argument

KT-47120 JVM IR: NoClassDefFoundError when there are an extension and a regular function with the same name

KT-49477 Has ran into recursion problem with two interdependant delegates

KT-49442 ClassCastException on reporting [EXPOSED_FROM_PRIVATE_IN_FILE] Deprecation: private-in-file class should not expose 'private-in-class'

KT-49371 JVM / IR: "NoSuchMethodError" with multiple inheritance

KT-44843 PSI2IR: "org.jetbrains.kotlin.psi2ir.generators.ErrorExpressionException: null: KtCallExpression" with delegate who has name or parameter with the same name as a property

KT-49294 Turning FlowCollector into 'fun interface' leads to AbstractMethodError

KT-18282 Companion object referencing it's own method during construction compiles successfully but fails at runtime with VerifyError

KT-25289 Prohibit access to class members in the super constructor call of its companion and nested object

KT-32753 Prohibit @JvmField on property in primary constructor that overrides interface property

KT-43433 Suspend conversion is disabled message in cases where it is not supported and quickfix to update language version is suggested

KT-49399 Building repeatable annotation with Container nested class fails with ISE: "Repeatable annotation class should have a container generated"

KT-49209 Default upper bound for type variables should be non-null

KT-49335 NPE in RepeatedAnnotationLowering.wrapAnnotationEntriesInContainer when using @Repeatable annotation from different file

KT-48876 java.lang.UnsupportedOperationException: org.jetbrains.kotlin.ir.expressions.impl.IrReturnableBlockImpl@4a729df2

... (truncated)

Changelog

Sourced from kotlin-stdlib's changelog.

1.6.0

Android

KT-48019 Bundle Kotlin Tooling Metadata into apk artifacts

KT-47733 JVM / IR: Android Synthetic don't generate _findCachedViewById function

Compiler

New Features

KT-47984 In-place arguments inlining for @InlineOnly functions

KT-12794 Allow runtime retention repeatable annotations when compiling under Java 8

KT-43714 Support annotations on class type parameters (AnnotationTarget.TYPE_PARAMETER)

KT-45949 Kotlin/Native: Improve bound check elimination

KT-43919 Support loading Java annotations on base classes and implementing interfaces' type arguments

KT-48194 Try to resolve calls where we don't have enough type information, using the builder inference despite the presence of the annotation

KT-47736 Support conversion from regular functional types to suspending ones in JVM IR

KT-39055 Support property delegate created via synthetic method instead of field

Performance Improvements

KT-45185 FIR2IR: get rid of IrBuiltIns usages

KT-47918 JVM / IR: Performance degradation with const-bound for-cycles

KT-33835 Bytecode including unnecessary null checks for safe calls where left-hand side is non-nullable

KT-41510 Compilation of kotlin html DSL is still too slow

KT-48211 We spend a lot of time in ExpectActual declaration checker when there is very small amount of actual/expect declaration

KT-39054 Optimize delegated properties which call get/set on the given KProperty instance on JVM

KT-46615 Don't generate nullability assertions in methods for directly invoked lambdas

Fixes

KT-49613 JVM / IR: "Exception during IR lowering" with java fun interface and it's non-trivial usage

KT-49548 "ClassCastException: java.util.ArrayList$Itr cannot be cast to kotlin.collections.IntIterator" with Iterable inside let

KT-22562 Deprecate calls to "suspend" named functions with single dangling lambda argument

KT-47120 JVM IR: NoClassDefFoundError when there are an extension and a regular function with the same name

KT-49477 Has ran into recursion problem with two interdependant delegates

KT-49442 ClassCastException on reporting [EXPOSED_FROM_PRIVATE_IN_FILE] Deprecation: private-in-file class should not expose 'private-in-class'

KT-49371 JVM / IR: "NoSuchMethodError" with multiple inheritance

KT-44843 PSI2IR: "org.jetbrains.kotlin.psi2ir.generators.ErrorExpressionException: null: KtCallExpression" with delegate who has name or parameter with the same name as a property

KT-49294 Turning FlowCollector into 'fun interface' leads to AbstractMethodError

KT-18282 Companion object referencing it's own method during construction compiles successfully but fails at runtime with VerifyError

KT-25289 Prohibit access to class members in the super constructor call of its companion and nested object

KT-32753 Prohibit @JvmField on property in primary constructor that overrides interface property

KT-43433 Suspend conversion is disabled message in cases where it is not supported and quickfix to update language version is suggested

KT-49399 Building repeatable annotation with Container nested class fails with ISE: "Repeatable annotation class should have a container generated"

KT-49209 Default upper bound for type variables should be non-null

KT-49335 NPE in RepeatedAnnotationLowering.wrapAnnotationEntriesInContainer when using @Repeatable annotation from different file

KT-48876 java.lang.UnsupportedOperationException: org.jetbrains.kotlin.ir.expressions.impl.IrReturnableBlockImpl@4a729df2

KT-48131 IAE "Repeatable annotation container value must be a class reference" on using Kotlin-repeatable annotation from dependency

... (truncated)

Commits

829d1d8 Add changelog for 1.6.0

99b69ae Merge KT-MR-4942: Mark packages for relocation to fix classpath interferring ...

583488e [scripting] Fix NPE in aether.kt

0d1f362 Fix PureAndroidAndJavaConsumeMppLibIT working with test project

46af453 JVM KT-49613 don't generate indy reference to protected constructor

d5275aa Mark packages for relocation to fix classpath interferring in main-kts

a3820d4 JVM KT-49548 progression iterators can be tainted

63044b1 Update -Xjvm-default description

e8e3c72 Update INTERFACE_CANT_CALL_DEFAULT_METHOD_VIA_SUPER message

ddd02fe JvmDefault. Allow non default inheritance with special flag

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dependencies
opened by dependabot[bot] 1
Bump protobuf-java from 2.5.0 to 3.16.1
Bumps protobuf-java from 2.5.0 to 3.16.1.

Release notes

Sourced from protobuf-java's releases.

Protocol Buffers v3.16.1

Java

Improve performance characteristics of UnknownFieldSet parsing (#9371)

Protocol Buffers v3.16.0

C++

Fix compiler warnings issue found in conformance_test_runner #8189 (#8190)

Fix MinGW-w64 build issues. (#8286)

[Protoc] C++ Resolved an issue where NO_DESTROY and CONSTINIT are in incorrect order (#8296)

Fix PROTOBUF_CONSTINIT macro redefinition (#8323)

Delete StringPiecePod (#8353)

Fix gcc error: comparison of unsigned expression in '>= 0' is always … (#8309)

Fix cmake install on iOS (#8301)

Create a CMake option to control whether or not RTTI is enabled (#8347)

Fix endian.h location on FreeBSD (#8351)

Refactor util::Status (#8354)

Make util::Status more similar to absl::Status (#8405)

Fix -Wsuggest-destructor-override for generated C++ proto classes. (#8408)

Refactor StatusOr and StringPiece (#8406)

Refactor uint128 (#8416)

The ::pb namespace is no longer exposed due to conflicts.

Allow MessageDifferencer::TreatAsSet() (and friends) to override previous calls instead of crashing.

Reduce the size of generated proto headers for protos with string or bytes fields.

Move arena() operation on uncommon path to out-of-line routine

For iterator-pair function parameter types, take both iterators by value.

Code-space savings and perhaps some modest performance improvements in RepeatedPtrField.

Eliminate nullptr check from every tag parse.

Remove unused _$name$cached_byte_size fields.

Serialize extension ranges together when not broken by a proto field in the middle.

Do out-of-line allocation and deallocation of string object in ArenaString.

Streamline ParseContext::ParseMessage to avoid code bloat and improve performance.

New member functions RepeatedField::Assign, RepeatedPtrField::{Add, Assign}.

Fix undefined behavior warning due to innocuous uninitialization of value on an error path.

Avoid expensive inlined code space for encoding message length for messages

= 128 bytes and instead do a procedure call to a shared out-of-line routine.

util::DefaultFieldComparator will be final in a future version of protobuf. Subclasses should inherit from SimpleFieldComparator instead.

C#

Add .NET 5 target and improve WriteString performance with SIMD (#8147)

Java

deps: update JUnit and Truth (#8319)

Detect invalid overflow of byteLimit and return InvalidProtocolBufferException as documented.

... (truncated)

Commits

791a435 Update protobuf version

e891872 Update CHANGES.txt for 3.16.1 release

f554cca Improve performance of parsing unknown fields in Java (#9371)

2dc747c Update PHP release notes and update version to 3.16.0 (#8573)

debc03d Update protobuf version to 3.16.0-rc2 (#8556)

17b0fb9 Make update_version.py compatible with Python 3 (#8555)

4aa425c Cherry-pick #8356 into 3.16.x (#8518)

e8b78f8 Fixed memory leak of Ruby arena objects. (#8465)

7689f00 Update protobuf version (#8448)

6099c65 Updated CHANGES.txt for 3.16.0 (#8456)

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dependencies
opened by dependabot[bot] 1
Bump junit from 4.12 to 4.13.1
Bumps junit from 4.12 to 4.13.1.

Release notes

Sourced from junit's releases.

JUnit 4.13.1

Please refer to the release notes for details.

JUnit 4.13

Please refer to the release notes for details.

JUnit 4.13 RC 2

Please refer to the release notes for details.

JUnit 4.13 RC 1

Please refer to the release notes for details.

JUnit 4.13 Beta 3

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dependencies
opened by dependabot[bot] 0

Performance improvement of KCallableImpl.callBy

// TODO here we can avoid extra arguments copy by allocating an array of precise size if // varargs are not present and win some performance

This PR is intended to resolve the TODO comments here. (I am a little unsure if this improvement is really what the comment intended, since I did not understand the meaning of "if vararg are not present"...)

This PR is based on the following https://github.com/JetBrains/kotlin/pull/4840

Because some processes were difficult to port directly, we omitted the caching of the default argument setting process.

The local benchmark results are as follows

Before:

Benchmark                                 Mode  Cnt  Score   Error   Units
CallByBenchmark.callByLite               thrpt    5  6.996 ± 0.115  ops/us
CallByBenchmark.callByLiteWithLookup     thrpt    5  5.019 ± 0.055  ops/us
CallByBenchmark.callByReflect            thrpt    5  5.868 ± 0.127  ops/us
CallByBenchmark.callByReflectWithLookup  thrpt    5  4.327 ± 0.031  ops/us

After:

Benchmark                                 Mode  Cnt  Score   Error   Units
CallByBenchmark.callByLite               thrpt    5  7.843 ± 0.218  ops/us
CallByBenchmark.callByLiteWithLookup     thrpt    5  5.606 ± 0.041  ops/us
CallByBenchmark.callByReflect            thrpt    5  5.386 ± 0.107  ops/us
CallByBenchmark.callByReflectWithLookup  thrpt    5  4.520 ± 0.121  ops/us

It was faster, or at least not slower.

opened by k163377 1

Releases(1.1.0)

1.1.0(Sep 5, 2022)
Support for basic introspection of K* reflection entities available in kotlin.reflect

Partial support of reflect.full API: callSuspend, KCallable<*>.isAccessible, KClass<T>.primaryConstructor

Bi-directional mappings between Java and Kotlin reflection

KCallable support

Update kotlinx.metadata to 0.5.0

Update Kotlin to 1.7.10

Source code(tar.gz)
Source code(zip)