[Gradle] Migrate KotlinGradleProjectChecker to KotlinExtensionPoint

KT-61634

libraries/tools/kotlin-gradle-plugin/src/common/kotlin/org/jetbrains/kotlin/gradle/plugin/KotlinPluginWrapper.kt

@@ -22,7 +22,6 @@ import org.gradle.api.Plugin
 import org.gradle.api.Project
 import org.gradle.api.logging.Logger
 import org.gradle.api.logging.Logging
-import org.gradle.api.model.ObjectFactory
 import org.gradle.tooling.provider.model.ToolingModelBuilderRegistry
 import org.jetbrains.kotlin.compilerRunner.maybeCreateCommonizerClasspathConfiguration
 import org.jetbrains.kotlin.gradle.dsl.*
@@ -258,6 +257,8 @@ abstract class KotlinBasePluginWrapper : DefaultKotlinBasePlugin() {
 
         setupAttributeMatchingStrategy(project)
 
+        project.registerKotlinPluginExtensions()
+
         project.startKotlinPluginLifecycle()
 
         plugin.apply(project)

libraries/tools/kotlin-gradle-plugin/src/common/kotlin/org/jetbrains/kotlin/gradle/plugin/diagnostics/KotlinGradleProjectChecker.kt

@@ -11,6 +11,7 @@ import org.jetbrains.kotlin.gradle.dsl.AndroidMainSourceSetConventionsChecker
 import org.jetbrains.kotlin.gradle.dsl.IosSourceSetConventionChecker
 import org.jetbrains.kotlin.gradle.dsl.KotlinMultiplatformExtension
 import org.jetbrains.kotlin.gradle.dsl.PlatformSourceSetConventionsChecker
+import org.jetbrains.kotlin.gradle.plugin.KotlinExtensionPoint
 import org.jetbrains.kotlin.gradle.plugin.KotlinPluginLifecycle
 import org.jetbrains.kotlin.gradle.plugin.PropertiesProvider
 import org.jetbrains.kotlin.gradle.plugin.diagnostics.checkers.*
@@ -96,27 +97,7 @@ internal interface KotlinGradleProjectChecker {
     suspend fun KotlinGradleProjectCheckerContext.runChecks(collector: KotlinToolingDiagnosticsCollector)
 
     companion object {
-        val ALL_CHECKERS: List<KotlinGradleProjectChecker> = listOf(
-            CommonMainOrTestWithDependsOnChecker,
-            DeprecatedKotlinNativeTargetsChecker,
-            MissingNativeStdlibChecker,
-            UnusedSourceSetsChecker,
-            AndroidSourceSetLayoutV1SourceSetsNotFoundChecker,
-            AndroidPluginWithoutAndroidTargetChecker,
-            NoKotlinTargetsDeclaredChecker,
-            DisabledCinteropCommonizationInHmppProjectChecker,
-            DisabledNativeTargetsChecker,
-            JsEnvironmentChecker,
-            PreHmppDependenciesUsageChecker,
-            ExperimentalK2UsageChecker,
-            KotlinSourceSetTreeDependsOnMismatchChecker,
-            PlatformSourceSetConventionsChecker,
-            AndroidMainSourceSetConventionsChecker,
-            IosSourceSetConventionChecker,
-            KotlinTargetAlreadyDeclaredChecker,
-            InternalGradlePropertiesUsageChecker,
-            WasmSourceSetsNotFoundChecker,
-        )
+        val extensionPoint = KotlinExtensionPoint<KotlinGradleProjectChecker>()
     }
 }
 

libraries/tools/kotlin-gradle-plugin/src/common/kotlin/org/jetbrains/kotlin/gradle/plugin/diagnostics/KotlinGradleProjectCheckersRunner.kt

@@ -12,7 +12,7 @@ import org.jetbrains.kotlin.gradle.plugin.extraProperties
 import org.jetbrains.kotlin.gradle.plugin.launch
 
 internal fun Project.launchKotlinGradleProjectCheckers() {
-    val checkers = kotlinGradleProjectCheckersOverride ?: KotlinGradleProjectChecker.ALL_CHECKERS
+    val checkers = KotlinGradleProjectChecker.extensionPoint[project]
 
     val context = KotlinGradleProjectCheckerContext(
         project,
@@ -25,15 +25,3 @@ internal fun Project.launchKotlinGradleProjectCheckers() {
         with(checker) { launch { context.runChecks(collector) } }
     }
 }
-
-internal val Project.kotlinGradleProjectCheckersOverride: Collection<KotlinGradleProjectChecker>?
-    get() {
-        return if (extraProperties.has(KOTLIN_GRADLE_PROJECT_CHECKERS_OVERRIDE))
-            @Suppress("unchecked_cast")
-            extraProperties.get(KOTLIN_GRADLE_PROJECT_CHECKERS_OVERRIDE) as Collection<KotlinGradleProjectChecker>?
-        else
-            null
-    }
-
-
-internal const val KOTLIN_GRADLE_PROJECT_CHECKERS_OVERRIDE = "kotlin.internal.override.checkers"

libraries/tools/kotlin-gradle-plugin/src/common/kotlin/org/jetbrains/kotlin/gradle/plugin/registerKotlinPluginExtensions.kt

@@ -6,10 +6,51 @@
 package org.jetbrains.kotlin.gradle.plugin
 
 import org.gradle.api.Project
+import org.jetbrains.kotlin.gradle.dsl.AndroidMainSourceSetConventionsChecker
+import org.jetbrains.kotlin.gradle.dsl.IosSourceSetConventionChecker
+import org.jetbrains.kotlin.gradle.dsl.PlatformSourceSetConventionsChecker
+import org.jetbrains.kotlin.gradle.plugin.diagnostics.KotlinGradleProjectChecker
+import org.jetbrains.kotlin.gradle.plugin.diagnostics.checkers.*
+import org.jetbrains.kotlin.gradle.plugin.diagnostics.checkers.AndroidPluginWithoutAndroidTargetChecker
+import org.jetbrains.kotlin.gradle.plugin.diagnostics.checkers.AndroidSourceSetLayoutV1SourceSetsNotFoundChecker
+import org.jetbrains.kotlin.gradle.plugin.diagnostics.checkers.CommonMainOrTestWithDependsOnChecker
+import org.jetbrains.kotlin.gradle.plugin.diagnostics.checkers.DeprecatedKotlinNativeTargetsChecker
+import org.jetbrains.kotlin.gradle.plugin.diagnostics.checkers.DisabledCinteropCommonizationInHmppProjectChecker
+import org.jetbrains.kotlin.gradle.plugin.diagnostics.checkers.DisabledNativeTargetsChecker
+import org.jetbrains.kotlin.gradle.plugin.diagnostics.checkers.ExperimentalK2UsageChecker
+import org.jetbrains.kotlin.gradle.plugin.diagnostics.checkers.InternalGradlePropertiesUsageChecker
+import org.jetbrains.kotlin.gradle.plugin.diagnostics.checkers.JsEnvironmentChecker
+import org.jetbrains.kotlin.gradle.plugin.diagnostics.checkers.KotlinSourceSetTreeDependsOnMismatchChecker
+import org.jetbrains.kotlin.gradle.plugin.diagnostics.checkers.KotlinTargetAlreadyDeclaredChecker
+import org.jetbrains.kotlin.gradle.plugin.diagnostics.checkers.MissingNativeStdlibChecker
+import org.jetbrains.kotlin.gradle.plugin.diagnostics.checkers.NoKotlinTargetsDeclaredChecker
+import org.jetbrains.kotlin.gradle.plugin.diagnostics.checkers.PreHmppDependenciesUsageChecker
+import org.jetbrains.kotlin.gradle.plugin.diagnostics.checkers.UnusedSourceSetsChecker
+import org.jetbrains.kotlin.gradle.plugin.diagnostics.checkers.WasmSourceSetsNotFoundChecker
 
 /**
  * Active Extensions (using the [KotlinExtensionPoint] infrastructure) will be registered here by the Kotlin Gradle Plugin.
  */
 internal fun Project.registerKotlinPluginExtensions() {
-    // No extensions available yet.
-}
+    KotlinGradleProjectChecker.extensionPoint.apply {
+        register(project, CommonMainOrTestWithDependsOnChecker)
+        register(project, DeprecatedKotlinNativeTargetsChecker)
+        register(project, MissingNativeStdlibChecker)
+        register(project, UnusedSourceSetsChecker)
+        register(project, AndroidSourceSetLayoutV1SourceSetsNotFoundChecker)
+        register(project, AndroidPluginWithoutAndroidTargetChecker)
+        register(project, NoKotlinTargetsDeclaredChecker)
+        register(project, DisabledCinteropCommonizationInHmppProjectChecker)
+        register(project, DisabledNativeTargetsChecker)
+        register(project, JsEnvironmentChecker)
+        register(project, PreHmppDependenciesUsageChecker)
+        register(project, ExperimentalK2UsageChecker)
+        register(project, KotlinSourceSetTreeDependsOnMismatchChecker)
+        register(project, PlatformSourceSetConventionsChecker)
+        register(project, AndroidMainSourceSetConventionsChecker)
+        register(project, IosSourceSetConventionChecker)
+        register(project, KotlinTargetAlreadyDeclaredChecker)
+        register(project, InternalGradlePropertiesUsageChecker)
+        register(project, WasmSourceSetsNotFoundChecker)
+    }
+}

libraries/tools/kotlin-gradle-plugin/src/functionalTest/kotlin/org/jetbrains/kotlin/gradle/unitTests/diagnosticsTests/DiagnosticsReportingFunctionalTest.kt

@@ -17,6 +17,7 @@ import org.jetbrains.kotlin.gradle.plugin.diagnostics.ToolingDiagnostic.Severity
 import org.jetbrains.kotlin.gradle.plugin.diagnostics.ToolingDiagnostic.Severity.ERROR
 import org.jetbrains.kotlin.gradle.plugin.diagnostics.ToolingDiagnostic.Severity.WARNING
 import org.jetbrains.kotlin.gradle.plugin.extraProperties
+import org.jetbrains.kotlin.gradle.util.set
 import org.junit.Test
 
 class DiagnosticsReportingFunctionalTest {
@@ -161,11 +162,8 @@ private fun buildProjectWithMockedCheckers(
         }
     )
 
-    project.allprojects {
-        project.extensions.extraProperties.set(
-            KOTLIN_GRADLE_PROJECT_CHECKERS_OVERRIDE,
-            listOf(MockChecker, MockPerProjectChecker, MockPerBuildChecker)
-        )
+    project.allprojects { currentProject ->
+        KotlinGradleProjectChecker.extensionPoint[currentProject] = listOf(MockChecker, MockPerProjectChecker, MockPerBuildChecker)
     }
 
     project.block()

libraries/tools/kotlin-gradle-plugin/src/functionalTest/kotlin/org/jetbrains/kotlin/gradle/util/extensionPointUtils.kt

@@ -14,7 +14,7 @@ import org.jetbrains.kotlin.tooling.core.UnsafeApi
  * Completely overwrites the currently registered extensions on this [KotlinExtensionPoint] in this project.
  */
 @OptIn(UnsafeApi::class)
-fun <T> KotlinExtensionPoint<T>.set(project: Project, extensions: List<T>) {
+operator fun <T> KotlinExtensionPoint<T>.set(project: Project, extensions: List<T>) {
     (this as KotlinExtensionPointInternal<T>)
     set(project, extensions)
 }