Add FieldType.isRepeatedMessage extension

api/src/main/kotlin/io/spine/tools/compiler/ast/FieldTypeExts.kt

@@ -1,5 +1,5 @@
 /*
- * Copyright 2025, TeamDev. All rights reserved.
+ * Copyright 2026, TeamDev. All rights reserved.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -80,6 +80,12 @@ public val FieldType.isMap: Boolean
 public val FieldType.isSingular: Boolean
     get() = isMessage || isEnum || isPrimitive
 
+/**
+ * Tells if this [FieldType] represents a `repeated` of messages.
+ */
+public val FieldType.isRepeatedMessage: Boolean
+    get() = isList && list.isMessage
+
 /**
  * Obtains a cardinality of this field type.
  *

api/src/test/kotlin/io/spine/tools/compiler/ast/FieldTypeSpec.kt

@@ -1,5 +1,5 @@
 /*
- * Copyright 2025, TeamDev. All rights reserved.
+ * Copyright 2026, TeamDev. All rights reserved.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -58,30 +58,42 @@ internal class FieldTypeSpec {
     `provide type name for diagnostics` : TypeTest() {
 
         /** Obtains a type name of the field with the given name. */
-        private fun nameOf(fieldName: String) = typeOf(fieldName).name
+        private fun nameOf(fieldName: String): String = typeOf(fieldName).name
 
         @Test
-        fun `when primitive`() = nameOf("count") shouldBe "int32"
+        fun `when primitive`() {
+            nameOf("count") shouldBe "int32"
+        }
 
         @Test
-        fun `when message`() = nameOf("email") shouldBe "given.type.Email"
+        fun `when message`() {
+            nameOf("email") shouldBe "given.type.Email"
+        }
 
         @Test
-        fun `when enum`() = nameOf("assumed") shouldBe "given.type.Priority"
+        fun `when enum`() {
+            nameOf("assumed") shouldBe "given.type.Priority"
+        }
 
         @Test
-        fun `when repeated primitive`() = nameOf("counts") shouldBe "repeated uint64"
+        fun `when repeated primitive`() {
+            nameOf("counts") shouldBe "repeated uint64"
+        }
 
         @Test
-        fun `when repeated message`() = nameOf("emails") shouldBe "repeated given.type.Email"
+        fun `when repeated message`() {
+            nameOf("emails") shouldBe "repeated given.type.Email"
+        }
 
         @Test
-        fun `when map with primitive values`() =
+        fun `when map with primitive values`() {
             nameOf("histogram") shouldBe "map<string, sint64>"
+        }
 
         @Test
-        fun `when map with message values`() =
+        fun `when map with message values`() {
             nameOf("sorted") shouldBe "map<int32, given.type.Email>"
+        }
 
         @Test
         fun `returning the name of 'kindCase' otherwise`() {
@@ -127,19 +139,38 @@ internal class FieldTypeSpec {
         FieldType.getDefaultInstance().isSingular shouldBe false
     }
 
+    @Test
+    fun `tell if it is repeated message`() {
+        val messageType = FieldSamples.getDescriptor().toMessageType()
+        fun isRepeatedMessage(fieldName: String) =
+            messageType.field(fieldName).type.isRepeatedMessage
+
+        isRepeatedMessage("email") shouldBe false
+        isRepeatedMessage("counts") shouldBe false
+        isRepeatedMessage("sorted") shouldBe false
+        isRepeatedMessage("count") shouldBe false
+        isRepeatedMessage("emails") shouldBe true
+    }
+
     @Nested inner class
     `obtain cardinality of` : TypeTest()  {
 
         private fun cardinalityOf(fieldName: String): Cardinality = typeOf(fieldName).cardinality
 
         @Test
-        fun `single fields`() = cardinalityOf("count") shouldBe CARDINALITY_SINGLE
+        fun `single fields`() {
+            cardinalityOf("count") shouldBe CARDINALITY_SINGLE
+        }
 
         @Test
-        fun `list fields`() = cardinalityOf("counts") shouldBe CARDINALITY_LIST
+        fun `list fields`() {
+            cardinalityOf("counts") shouldBe CARDINALITY_LIST
+        }
 
         @Test
-        fun `map fields`() = cardinalityOf("histogram") shouldBe CARDINALITY_MAP
+        fun `map fields`() {
+            cardinalityOf("histogram") shouldBe CARDINALITY_MAP
+        }
 
         @Test
         fun `throwing when no type information available`() {
@@ -161,12 +192,14 @@ internal class FieldTypeSpec {
         }
 
         @Test
-        fun `when message`() =
+        fun `when message`() {
             toType("email") shouldBe type { message = Email.getDescriptor().name() }
+        }
 
         @Test
-        fun `when enum`() =
+        fun `when enum`() {
             toType("assumed") shouldBe type { enumeration = Priority.getDescriptor().name() }
+        }
 
         @Test
         fun `rejecting when list`() {
@@ -197,13 +230,19 @@ internal class FieldTypeSpec {
         private val expected = Email.getDescriptor().toMessageType()
 
         @Test
-        fun `when message`() = messageTypeFrom("email") shouldBe expected
+        fun `when message`() {
+            messageTypeFrom("email") shouldBe expected
+        }
 
         @Test
-        fun `when list`() = messageTypeFrom("emails") shouldBe expected
+        fun `when list`() {
+            messageTypeFrom("emails") shouldBe expected
+        }
 
         @Test
-        fun `when map`() = messageTypeFrom("sorted") shouldBe expected
+        fun `when map`() {
+            messageTypeFrom("sorted") shouldBe expected
+        }
 
         @Test
         fun `returning 'null' for other types`() {
@@ -251,13 +290,19 @@ internal class FieldTypeSpec {
             typeOf(fieldName).extractPrimitiveType()
 
         @Test
-        fun `from singular`() = extractFrom("count") shouldBe TYPE_INT32
+        fun `from singular`() {
+            extractFrom("count") shouldBe TYPE_INT32
+        }
 
         @Test
-        fun `from list`() = extractFrom("counts") shouldBe TYPE_UINT64
+        fun `from list`() {
+            extractFrom("counts") shouldBe TYPE_UINT64
+        }
 
         @Test
-        fun `from map`() = extractFrom("histogram") shouldBe TYPE_SINT64
+        fun `from map`() {
+            extractFrom("histogram") shouldBe TYPE_SINT64
+        }
 
         @Test
         fun `returning 'null' if does not refer to a primitive type`() {
@@ -277,22 +322,34 @@ internal class FieldTypeSpec {
         private val expectedMessageType = Email.getDescriptor().toType()
 
         @Test
-        fun `when primitive`() = extractFrom("count") shouldBe TYPE_INT32.toType()
+        fun `when primitive`() {
+            extractFrom("count") shouldBe TYPE_INT32.toType()
+        }
 
         @Test
-        fun `when list of primitives`() = extractFrom("counts") shouldBe TYPE_UINT64.toType()
+        fun `when list of primitives`() {
+            extractFrom("counts") shouldBe TYPE_UINT64.toType()
+        }
 
         @Test
-        fun `when message`() = extractFrom("email") shouldBe expectedMessageType
+        fun `when message`() {
+            extractFrom("email") shouldBe expectedMessageType
+        }
 
         @Test
-        fun `when message list`() = extractFrom("emails") shouldBe expectedMessageType
+        fun `when message list`() {
+            extractFrom("emails") shouldBe expectedMessageType
+        }
 
         @Test
-        fun `when a map with messages`() = extractFrom("sorted") shouldBe expectedMessageType
+        fun `when a map with messages`() {
+            extractFrom("sorted") shouldBe expectedMessageType
+        }
 
         @Test
-        fun `when a map with primitives`() = extractFrom("histogram") shouldBe TYPE_SINT64.toType()
+        fun `when a map with primitives`() {
+            extractFrom("histogram") shouldBe TYPE_SINT64.toType()
+        }
 
         @Test
         fun `throwing when type info is not available`() {

build.gradle.kts

@@ -54,6 +54,7 @@ buildscript {
     configurations.all {
         resolutionStrategy {
             force(
+                io.spine.dependency.lib.JetBrainsAnnotations.lib,
                 io.spine.dependency.lib.Protobuf.javaLib,
                 io.spine.dependency.local.Logging.grpcContext,
                 io.spine.dependency.local.ToolBase.intellijPlatform,

buildSrc/build.gradle.kts

@@ -36,9 +36,6 @@ plugins {
     java
     groovy
     `kotlin-dsl`
-
-    // https://github.com/jk1/Gradle-License-Report/releases
-    id("com.github.jk1.dependency-license-report").version("2.9")
 }
 
 repositories {
@@ -118,7 +115,7 @@ val protobufPluginVersion = "0.9.6"
  * @see <a href="https://github.com/Kotlin/dokka/releases">
  *     Dokka Releases</a>
  */
-val dokkaVersion = "2.1.0"
+val dokkaVersion = "2.2.0"
 
 /**
  * The version of Detekt Gradle Plugin.
@@ -144,7 +141,7 @@ val koverVersion = "0.9.1"
  *
  * @see <a href="https://github.com/GradleUp/shadow">Shadow Plugin releases</a>
  */
-val shadowVersion = "9.2.2"
+val shadowVersion = "9.4.1"
 
 /**
  * The version of JUnit used to test the build scripts.

buildSrc/src/main/kotlin/io/spine/dependency/build/Dokka.kt

@@ -26,6 +26,9 @@
 
 package io.spine.dependency.build
 
+import io.spine.dependency.build.Dokka.GradlePlugin.id
+import io.spine.dependency.local.Spine
+
 // https://github.com/Kotlin/dokka
 @Suppress("unused", "ConstPropertyName")
 object Dokka {
@@ -76,7 +79,7 @@ object Dokka {
      *     Custom Dokka Plugins</a>
      */
     object SpineExtensions {
-        private const val group = "io.spine.tools"
+        private const val group = Spine.toolsGroup
 
         const val version = "2.0.0-SNAPSHOT.7"
         const val lib = "$group:spine-dokka-extensions:$version"

buildSrc/src/main/kotlin/io/spine/dependency/lib/JetBrainsAnnotations.kt

@@ -0,0 +1,42 @@
+/*
+ * Copyright 2026, TeamDev. All rights reserved.
+ *
+ * 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
+ *
+ * https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Redistribution and use in source and/or binary forms, with or without
+ * modification, must retain the above copyright notice and the following
+ * disclaimer.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+package io.spine.dependency.lib
+
+/**
+ * Annotations library from JetBrains.
+ *
+ * https://github.com/JetBrains/java-annotations
+ */
+object JetBrainsAnnotations {
+    /**
+     * The version of the library transitively used.
+     */
+    const val version = "23.0.0"
+    const val groupId = "org.jetbrains"
+    const val artifactId = "annotations"
+    const val lib = "$groupId:$artifactId:$version"
+}

buildSrc/src/main/kotlin/io/spine/dependency/local/Compiler.kt

@@ -60,7 +60,7 @@ import io.spine.dependency.Dependency
 )
 object Compiler : Dependency() {
     const val pluginGroup = Spine.group
-    override val group = "io.spine.tools"
+    override val group = Spine.toolsGroup
     const val pluginId = "io.spine.compiler"
 
     /**
@@ -72,7 +72,7 @@ object Compiler : Dependency() {
      * The version of the Compiler dependencies.
      */
     override val version: String
-    private const val fallbackVersion = "2.0.0-SNAPSHOT.041"
+    private const val fallbackVersion = "2.0.0-SNAPSHOT.043"
 
     /**
      * The distinct version of the Compiler used by other build tools.
@@ -81,7 +81,7 @@ object Compiler : Dependency() {
      * transitive dependencies, this is the version used to build the project itself.
      */
     val dogfoodingVersion: String
-    private const val fallbackDfVersion = "2.0.0-SNAPSHOT.041"
+    private const val fallbackDfVersion = "2.0.0-SNAPSHOT.043"
 
     /**
      * The artifact for the Compiler Gradle plugin.

buildSrc/src/main/kotlin/io/spine/dependency/local/CoreJvm.kt

@@ -1,5 +1,5 @@
 /*
- * Copyright 2025, TeamDev. All rights reserved.
+ * Copyright 2026, TeamDev. All rights reserved.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -39,7 +39,7 @@ typealias CoreJava = CoreJvm
 @Suppress("ConstPropertyName", "unused")
 object CoreJvm {
     const val group = Spine.group
-    const val version = "2.0.0-SNAPSHOT.372"
+    const val version = "2.0.0-SNAPSHOT.373"
 
     const val coreArtifact = "spine-core"
     const val clientArtifact = "spine-client"
@@ -50,9 +50,9 @@ object CoreJvm {
     const val server = "$group:$serverArtifact:$version"
 
     @Deprecated("Use `serverTestLib` instead.", ReplaceWith("serverTestLib"))
-    const val testUtilServer = "${Spine.toolsGroup}:spine-server-testlib:$version"
+    const val testUtilServer = "${Spine.toolsGroup}:server-testlib:$version"
 
-    const val coreTestLib = "${Spine.toolsGroup}:spine-core-testlib:$version"
-    const val clientTestLib = "${Spine.toolsGroup}:spine-client-testlib:$version"
-    const val serverTestLib = "${Spine.toolsGroup}:spine-server-testlib:$version"
+    const val coreTestLib = "${Spine.toolsGroup}:core-testlib:$version"
+    const val clientTestLib = "${Spine.toolsGroup}:client-testlib:$version"
+    const val serverTestLib = "${Spine.toolsGroup}:server-testlib:$version"
 }