[Gradle] Migrate K2-usage warning

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/kotlin/org/jetbrains/kotlin/gradle/experimental/TryK2IT.kt

@@ -8,9 +8,9 @@ package org.jetbrains.kotlin.gradle.experimental
 import org.gradle.api.logging.LogLevel
 import org.gradle.util.GradleVersion
 import org.jetbrains.kotlin.cli.common.arguments.K2NativeCompilerArguments
+import org.jetbrains.kotlin.gradle.plugin.diagnostics.KotlinToolingDiagnostics
 import org.jetbrains.kotlin.gradle.testbase.*
 import org.jetbrains.kotlin.gradle.util.parseCompilerArgumentsFromBuildOutput
-import org.jetbrains.kotlin.gradle.utils.EXPERIMENTAL_TRY_K2_WARNING_MESSAGE
 import org.junit.jupiter.api.DisplayName
 import kotlin.io.path.appendText
 
@@ -29,7 +29,7 @@ class TryK2IT : KGPBaseTest() {
             enableTryK2()
 
             build("--dry-run") {
-                assertOutputContainsExactTimes(EXPERIMENTAL_TRY_K2_WARNING_MESSAGE, 1)
+                output.assertHasDiagnostic(KotlinToolingDiagnostics.ExperimentalK2Warning)
                 assertOutputContains("No Kotlin compilation tasks have been run")
             }
         }
@@ -228,4 +228,4 @@ class TryK2IT : KGPBaseTest() {
         |kotlin.experimental.tryK2=true
         """.trimMargin()
     )
-}
+}

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

@@ -96,8 +96,6 @@ abstract class DefaultKotlinBasePlugin : KotlinBasePlugin {
         }
 
         BuildMetricsService.registerIfAbsent(project)
-
-        project.warnExperimentalTryK2IsEnabled()
     }
 
     private fun addKotlinCompilerConfiguration(project: Project) {

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

@@ -105,7 +105,8 @@ internal interface KotlinGradleProjectChecker {
             DisabledCinteropCommonizationInHmppProjectChecker,
             DisabledNativeTargetsChecker,
             JsEnvironmentChecker,
-            PreHmppDependenciesUsageChecker
+            PreHmppDependenciesUsageChecker,
+            ExperimentalK2UsageChecker
         )
     }
 }

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

@@ -321,4 +321,13 @@ object KotlinToolingDiagnostics {
             """.trimIndent()
         )
     }
+
+    object ExperimentalK2Warning : ToolingDiagnosticFactory(WARNING) {
+        operator fun invoke() = build(
+            """
+            ATTENTION: 'kotlin.experimental.tryK2' is an experimental option enabled in the project for trying out the new Kotlin K2 compiler only.
+            Please refrain from using it in production code and provide feedback to the Kotlin team for any issues encountered via https://kotl.in/issue
+            """.trimIndent()
+        )
+    }
 }

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

@@ -11,8 +11,6 @@ import org.gradle.api.provider.Provider
 import org.gradle.api.services.BuildService
 import org.gradle.api.services.BuildServiceParameters
 import org.jetbrains.kotlin.gradle.plugin.PropertiesProvider.Companion.kotlinPropertiesProvider
-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.utils.registerClassLoaderScopedBuildService
 import java.util.*
 import java.util.concurrent.ConcurrentHashMap
@@ -33,14 +31,8 @@ internal abstract class KotlinToolingDiagnosticsCollector : BuildService<BuildSe
 
     fun getDiagnosticsForProject(project: Project): Collection<ToolingDiagnostic> {
         val rawDiagnostics = rawDiagnosticsFromProject[project.path] ?: return emptyList()
-
-        val suppressedWarnings = project.kotlinPropertiesProvider.suppressedGradlePluginWarnings.toSet()
-        val suppressedErrors = project.kotlinPropertiesProvider.suppressedGradlePluginErrors.toSet()
-
-        fun ToolingDiagnostic.isSuppressed(): Boolean =
-            severity == WARNING && id in suppressedWarnings || severity == ERROR && id in suppressedErrors
-
-        return rawDiagnostics.filter { !it.isSuppressed() }
+        val options = ToolingDiagnosticRenderingOptions.forProject(project)
+        return rawDiagnostics.withoutSuppressed(options)
     }
 
     fun report(project: Project, diagnostic: ToolingDiagnostic) {
@@ -48,7 +40,10 @@ internal abstract class KotlinToolingDiagnosticsCollector : BuildService<BuildSe
     }
 
     fun report(task: UsesKotlinToolingDiagnostics, diagnostic: ToolingDiagnostic) {
-        renderReportedDiagnostic(diagnostic, task.logger, isVerbose = false) // TODO: wire suppression/verbosity
+        val options = task.diagnosticRenderingOptions.get()
+        if (!diagnostic.isSuppressed(options)) {
+            renderReportedDiagnostic(diagnostic, task.logger, options.isVerbose)
+        }
     }
 
     fun reportOncePerGradleProject(fromProject: Project, diagnostic: ToolingDiagnostic, key: ToolingDiagnosticId = diagnostic.id) {

libraries/tools/kotlin-gradle-plugin/src/common/kotlin/org/jetbrains/kotlin/gradle/plugin/diagnostics/checkers/ExperimentalK2UsageChecker.kt

@@ -0,0 +1,20 @@
+/*
+ * Copyright 2010-2023 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.gradle.plugin.diagnostics.checkers
+
+import org.jetbrains.kotlin.gradle.plugin.PropertiesProvider.Companion.kotlinPropertiesProvider
+import org.jetbrains.kotlin.gradle.plugin.diagnostics.KotlinGradleProjectChecker
+import org.jetbrains.kotlin.gradle.plugin.diagnostics.KotlinGradleProjectCheckerContext
+import org.jetbrains.kotlin.gradle.plugin.diagnostics.KotlinToolingDiagnostics
+import org.jetbrains.kotlin.gradle.plugin.diagnostics.KotlinToolingDiagnosticsCollector
+
+internal object ExperimentalK2UsageChecker : KotlinGradleProjectChecker {
+    override suspend fun KotlinGradleProjectCheckerContext.runChecks(collector: KotlinToolingDiagnosticsCollector) {
+        if (project.kotlinPropertiesProvider.kotlinExperimentalTryK2.get()) {
+            collector.reportOncePerGradleBuild(project, KotlinToolingDiagnostics.ExperimentalK2Warning())
+        }
+    }
+}

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

@@ -26,15 +26,3 @@ internal fun <T : KotlinCommonCompilerOptions> T.configureExperimentalTryK2(
         }
     )
 }
-
-internal fun Project.warnExperimentalTryK2IsEnabled() {
-    if (project.kotlinPropertiesProvider.kotlinExperimentalTryK2.get()) {
-        SingleWarningPerBuild.show(this, EXPERIMENTAL_TRY_K2_WARNING_MESSAGE)
-    }
-}
-
-val EXPERIMENTAL_TRY_K2_WARNING_MESSAGE =
-    """
-    ATTENTION: 'kotlin.experimental.tryK2' is an experimental option enabled in the project for trying out the new Kotlin K2 compiler only.
-    Please refrain from using it in production code and provide feedback to the Kotlin team for any issues encountered via https://kotl.in/issue
-    """.trimIndent()