Extract throwGradleExceptionIfError

libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/internal/KaptTask.kt

@@ -34,14 +34,6 @@ open class KaptTask : AbstractCompile() {
         return FileUtil.isAncestor(destinationDir, this, /* strict = */ false)
     }
 
-    private fun processCompilerExitCode(exitCode: ExitCode) {
-        when (exitCode) {
-            ExitCode.COMPILATION_ERROR -> throw GradleException("Annotation processing error. See log for more details")
-            ExitCode.INTERNAL_ERROR -> throw GradleException("Annotation processing internal error. See log for more details")
-            else -> {}
-        }
-    }
-
     @TaskAction
     override fun compile() {
         /** Delete everything inside the [destinationDir] */
@@ -59,8 +51,9 @@ open class KaptTask : AbstractCompile() {
         kotlinCompileTask.parentKotlinOptionsImpl?.updateArguments(args)
         KotlinJvmOptionsImpl().updateArguments(args)
 
-        processCompilerExitCode(compileJvmNotIncrementally(compiler, logger,
+        val exitCode = compileJvmNotIncrementally(compiler, logger,
                 sourceRoots.kotlinSourceFiles, sourceRoots.javaSourceRoots, compileClasspath,
-                destinationDir, args))
+                destinationDir, args)
+        throwGradleExceptionIfError(exitCode)
     }
 }

libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/tasks/Tasks.kt

@@ -222,14 +222,7 @@ open class KotlinCompile : AbstractKotlinCompile<K2JVMCompilerArguments>(), Kotl
             cleanupOnError()
         }
 
-        when (exitCode) {
+        throwGradleExceptionIfError(exitCode)
-            ExitCode.COMPILATION_ERROR -> throw GradleException("Compilation error. See log for more details")
-            ExitCode.INTERNAL_ERROR -> throw GradleException("Internal compiler error. See log for more details")
-            ExitCode.SCRIPT_EXECUTION_ERROR -> throw GradleException("Script execution error. See log for more details")
-            ExitCode.OK -> {
-                logger.kotlinInfo("Compilation succeeded")
-            }
-        }
     }
 
     private fun handleKaptProperties() {

libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/tasks/tasksUtils.kt

@@ -0,0 +1,14 @@
+package org.jetbrains.kotlin.gradle.tasks
+
+import org.gradle.api.GradleException
+import org.jetbrains.kotlin.cli.common.ExitCode
+
+fun throwGradleExceptionIfError(exitCode: ExitCode) {
+    when (exitCode) {
+        ExitCode.COMPILATION_ERROR -> throw GradleException("Compilation error. See log for more details")
+        ExitCode.INTERNAL_ERROR -> throw GradleException("Internal compiler error. See log for more details")
+        ExitCode.SCRIPT_EXECUTION_ERROR -> throw GradleException("Script execution error. See log for more details")
+        ExitCode.OK -> {}
+        else -> throw IllegalStateException("Unexpected exit code: $exitCode")
+    }
+}