[backport] Support propagating inherited extensions from libraries

Original: bf2945d

2 files changed, 44 insertions, 35 deletions

diff --git a/runners/cli/src/main/kotlin/cli/main.kt b/runners/cli/src/main/kotlin/cli/main.kt
index fe945ed3..111e1420 100644
--- a/runners/cli/src/main/kotlin/cli/main.kt
+++ b/runners/cli/src/main/kotlin/cli/main.kt
@@ -62,6 +62,9 @@ class DokkaArguments {
     @set:Argument(value = "apiVersion", description = "Kotlin Api Version to pass to Kotlin Analysis")
     var apiVersion: String? = null
 
+    @set:Argument(value = "collectInheritedExtensionsFromLibraries", description = "Search for applicable extensions in libraries")
+    var collectInheritedExtensionsFromLibraries: Boolean = false
+
 }
 
 
@@ -106,18 +109,19 @@ object MainKt {
         val classPath = arguments.classpath.split(File.pathSeparatorChar).toList()
 
         val documentationOptions = DocumentationOptions(
-                arguments.outputDir.let { if (it.endsWith('/')) it else it + '/' },
-                arguments.outputFormat,
-                skipDeprecated = arguments.nodeprecated,
-                sourceLinks = sourceLinks,
-                impliedPlatforms = arguments.impliedPlatforms.split(','),
-                perPackageOptions = parsePerPackageOptions(arguments.packageOptions),
-                jdkVersion = arguments.jdkVersion,
-                externalDocumentationLinks = parseLinks(arguments.links),
-                noStdlibLink = arguments.noStdlibLink,
-                cacheRoot = arguments.cacheRoot,
-                languageVersion = arguments.languageVersion,
-                apiVersion = arguments.apiVersion
+            arguments.outputDir.let { if (it.endsWith('/')) it else it + '/' },
+            arguments.outputFormat,
+            skipDeprecated = arguments.nodeprecated,
+            sourceLinks = sourceLinks,
+            impliedPlatforms = arguments.impliedPlatforms.split(','),
+            perPackageOptions = parsePerPackageOptions(arguments.packageOptions),
+            jdkVersion = arguments.jdkVersion,
+            externalDocumentationLinks = parseLinks(arguments.links),
+            noStdlibLink = arguments.noStdlibLink,
+            cacheRoot = arguments.cacheRoot,
+            languageVersion = arguments.languageVersion,
+            apiVersion = arguments.apiVersion,
+            collectInheritedExtensionsFromLibraries = arguments.collectInheritedExtensionsFromLibraries
         )
 
         val generator = DokkaGenerator(
diff --git a/runners/gradle-plugin/src/main/kotlin/main.kt b/runners/gradle-plugin/src/main/kotlin/main.kt
index 5f02cd0e..4812e217 100644
--- a/runners/gradle-plugin/src/main/kotlin/main.kt
+++ b/runners/gradle-plugin/src/main/kotlin/main.kt
@@ -134,6 +134,9 @@ open class DokkaTask : DefaultTask() {
     @Optional @Input
     var apiVersion: String? = null
 
+    @Input
+    var collectInheritedExtensionsFromLibraries: Boolean = false
+
     @get:Internal
     internal val kotlinCompileBasedClasspathAndSourceRoots: ClasspathAndSourceRoots by lazy { extractClasspathAndSourceRootsFromKotlinTasks() }
 
@@ -287,29 +290,31 @@ open class DokkaTask : DefaultTask() {
             val bootstrapProxy: DokkaBootstrap = automagicTypedProxy(javaClass.classLoader, bootstrapInstance)
 
             val configuration = SerializeOnlyDokkaConfiguration(
-                    moduleName,
-                    fullClasspath.map { it.absolutePath },
-                    sourceRoots,
-                    samples.filterNotNull().map { project.file(it).absolutePath },
-                    includes.filterNotNull().map { project.file(it).absolutePath },
-                    outputDirectory,
-                    outputFormat,
-                    includeNonPublic,
-                    false,
-                    reportUndocumented,
-                    skipEmptyPackages,
-                    skipDeprecated,
-                    jdkVersion,
-                    true,
-                    linkMappings,
-                    impliedPlatforms,
-                    perPackageOptions,
-                    externalDocumentationLinks,
-                    noStdlibLink,
-                    cacheRoot,
-                    collectSuppressedFiles(sourceRoots),
-                    languageVersion,
-                    apiVersion)
+                moduleName,
+                fullClasspath.map { it.absolutePath },
+                sourceRoots,
+                samples.filterNotNull().map { project.file(it).absolutePath },
+                includes.filterNotNull().map { project.file(it).absolutePath },
+                outputDirectory,
+                outputFormat,
+                includeNonPublic,
+                false,
+                reportUndocumented,
+                skipEmptyPackages,
+                skipDeprecated,
+                jdkVersion,
+                true,
+                linkMappings,
+                impliedPlatforms,
+                perPackageOptions,
+                externalDocumentationLinks,
+                noStdlibLink,
+                cacheRoot,
+                collectSuppressedFiles(sourceRoots),
+                languageVersion,
+                apiVersion,
+                collectInheritedExtensionsFromLibraries
+            )
 
 
             bootstrapProxy.configure(