Fix Can't find node by signature in asJava mode

fixes #205

10 files changed, 73 insertions, 3 deletions

diff --git a/core/src/main/kotlin/Formats/FormatDescriptor.kt b/core/src/main/kotlin/Formats/FormatDescriptor.kt
index fc925f40..da0156a7 100644
--- a/core/src/main/kotlin/Formats/FormatDescriptor.kt
+++ b/core/src/main/kotlin/Formats/FormatDescriptor.kt
@@ -1,6 +1,7 @@
 package org.jetbrains.dokka.Formats
 
 import org.jetbrains.dokka.*
+import org.jetbrains.dokka.Model.DescriptorSignatureProvider
 import org.jetbrains.dokka.Samples.SampleProcessingService
 import kotlin.reflect.KClass
 
@@ -12,4 +13,5 @@ interface FormatDescriptor {
     val javaDocumentationBuilderClass: KClass<out JavaDocumentationBuilder>
     val sampleProcessingService: KClass<out SampleProcessingService>
     val packageListServiceClass: KClass<out PackageListService>?
+    val descriptorSignatureProvider: KClass<out DescriptorSignatureProvider>
 }
diff --git a/core/src/main/kotlin/Formats/StandardFormats.kt b/core/src/main/kotlin/Formats/StandardFormats.kt
index fad65ff1..f3d638c6 100644
--- a/core/src/main/kotlin/Formats/StandardFormats.kt
+++ b/core/src/main/kotlin/Formats/StandardFormats.kt
@@ -1,6 +1,9 @@
 package org.jetbrains.dokka.Formats
 
 import org.jetbrains.dokka.*
+import org.jetbrains.dokka.Kotlin.KotlinAsJavaDescriptorSignatureProvider
+import org.jetbrains.dokka.Kotlin.KotlinDescriptorSignatureProvider
+import org.jetbrains.dokka.Model.DescriptorSignatureProvider
 import org.jetbrains.dokka.Samples.DefaultSampleProcessingService
 import org.jetbrains.dokka.Samples.KotlinWebsiteSampleProcessingService
 import org.jetbrains.dokka.Samples.SampleProcessingService
@@ -14,6 +17,7 @@ abstract class KotlinFormatDescriptorBase : FormatDescriptor {
     override val outlineServiceClass: KClass<out OutlineFormatService>? = null
     override val sampleProcessingService: KClass<out SampleProcessingService> = DefaultSampleProcessingService::class
     override val packageListServiceClass: KClass<out PackageListService>? = DefaultPackageListService::class
+    override val descriptorSignatureProvider = KotlinDescriptorSignatureProvider::class
 }
 
 class HtmlFormatDescriptor : KotlinFormatDescriptorBase() {
@@ -29,6 +33,7 @@ class HtmlAsJavaFormatDescriptor : FormatDescriptor {
     override val javaDocumentationBuilderClass = JavaPsiDocumentationBuilder::class
     override val sampleProcessingService: KClass<out SampleProcessingService> = DefaultSampleProcessingService::class
     override val packageListServiceClass: KClass<out PackageListService>? = DefaultPackageListService::class
+    override val descriptorSignatureProvider = KotlinAsJavaDescriptorSignatureProvider::class
 }
 
 class KotlinWebsiteFormatDescriptor : KotlinFormatDescriptorBase() {
diff --git a/core/src/main/kotlin/Kotlin/DeclarationLinkResolver.kt b/core/src/main/kotlin/Kotlin/DeclarationLinkResolver.kt
index 2b085769..275972fa 100644
--- a/core/src/main/kotlin/Kotlin/DeclarationLinkResolver.kt
+++ b/core/src/main/kotlin/Kotlin/DeclarationLinkResolver.kt
@@ -1,6 +1,7 @@
 package org.jetbrains.dokka
 
 import com.google.inject.Inject
+import org.jetbrains.dokka.Model.DescriptorSignatureProvider
 import org.jetbrains.kotlin.descriptors.CallableMemberDescriptor
 import org.jetbrains.kotlin.descriptors.DeclarationDescriptor
 import org.jetbrains.kotlin.idea.kdoc.resolveKDocLink
@@ -10,7 +11,8 @@ class DeclarationLinkResolver
                             val refGraph: NodeReferenceGraph,
                             val logger: DokkaLogger,
                             val options: DocumentationOptions,
-                            val externalDocumentationLinkResolver: ExternalDocumentationLinkResolver) {
+                            val externalDocumentationLinkResolver: ExternalDocumentationLinkResolver,
+                            val descriptorSignatureProvider: DescriptorSignatureProvider) {
 
 
     fun tryResolveContentLink(fromDescriptor: DeclarationDescriptor, href: String): ContentBlock? {
@@ -29,7 +31,8 @@ class DeclarationLinkResolver
             if (externalHref != null) {
                 return ContentExternalLink(externalHref)
             }
-            return ContentNodeLazyLink(href, { -> refGraph.lookupOrWarn(symbol.signature(), logger) })
+            val signature = descriptorSignatureProvider.signature(symbol)
+            return ContentNodeLazyLink(href, { -> refGraph.lookupOrWarn(signature, logger) })
         }
         if ("/" in href) {
             return ContentExternalLink(href)
diff --git a/core/src/main/kotlin/Kotlin/KotlinAsJavaDescriptorSignatureProvider.kt b/core/src/main/kotlin/Kotlin/KotlinAsJavaDescriptorSignatureProvider.kt
new file mode 100644
index 00000000..ca15b89f
--- /dev/null
+++ b/core/src/main/kotlin/Kotlin/KotlinAsJavaDescriptorSignatureProvider.kt
@@ -0,0 +1,17 @@
+package org.jetbrains.dokka.Kotlin
+
+import org.jetbrains.dokka.Model.DescriptorSignatureProvider
+import org.jetbrains.dokka.getSignature
+import org.jetbrains.dokka.sourcePsi
+import org.jetbrains.kotlin.asJava.toLightElements
+import org.jetbrains.kotlin.descriptors.DeclarationDescriptor
+import org.jetbrains.kotlin.psi.KtElement
+
+class KotlinAsJavaDescriptorSignatureProvider : DescriptorSignatureProvider {
+    override fun signature(forDesc: DeclarationDescriptor): String {
+
+        val sourcePsi = forDesc.sourcePsi() as? KtElement
+        return getSignature(sourcePsi?.toLightElements().orEmpty().firstOrNull()) ?:
+                throw UnsupportedOperationException("Don't know how to calculate signature for $forDesc")
+    }
+}
\ No newline at end of file
diff --git a/core/src/main/kotlin/Kotlin/KotlinDescriptorSignatureProvider.kt b/core/src/main/kotlin/Kotlin/KotlinDescriptorSignatureProvider.kt
new file mode 100644
index 00000000..7ecd0389
--- /dev/null
+++ b/core/src/main/kotlin/Kotlin/KotlinDescriptorSignatureProvider.kt
@@ -0,0 +1,9 @@
+package org.jetbrains.dokka.Kotlin
+
+import org.jetbrains.dokka.Model.DescriptorSignatureProvider
+import org.jetbrains.dokka.signature
+import org.jetbrains.kotlin.descriptors.DeclarationDescriptor
+
+class KotlinDescriptorSignatureProvider : DescriptorSignatureProvider {
+    override fun signature(forDesc: DeclarationDescriptor): String = forDesc.signature()
+}
\ No newline at end of file
diff --git a/core/src/main/kotlin/Model/DescriptorSignatureProvider.kt b/core/src/main/kotlin/Model/DescriptorSignatureProvider.kt
new file mode 100644
index 00000000..85584e3c
--- /dev/null
+++ b/core/src/main/kotlin/Model/DescriptorSignatureProvider.kt
@@ -0,0 +1,7 @@
+package org.jetbrains.dokka.Model
+
+import org.jetbrains.kotlin.descriptors.DeclarationDescriptor
+
+interface DescriptorSignatureProvider {
+    fun signature(forDesc: DeclarationDescriptor): String
+}
\ No newline at end of file
diff --git a/core/src/main/kotlin/Utilities/DokkaModules.kt b/core/src/main/kotlin/Utilities/DokkaModules.kt
index 28c5dc45..dfb114ec 100644
--- a/core/src/main/kotlin/Utilities/DokkaModules.kt
+++ b/core/src/main/kotlin/Utilities/DokkaModules.kt
@@ -7,6 +7,7 @@ import com.google.inject.TypeLiteral
 import com.google.inject.name.Names
 import org.jetbrains.dokka.*
 import org.jetbrains.dokka.Formats.FormatDescriptor
+import org.jetbrains.dokka.Model.DescriptorSignatureProvider
 import org.jetbrains.dokka.Samples.SampleProcessingService
 import org.jetbrains.kotlin.cli.jvm.compiler.KotlinCoreEnvironment
 import java.io.File
@@ -22,7 +23,7 @@ class DokkaAnalysisModule(val environment: AnalysisEnvironment,
         binder.bind<DokkaLogger>().toInstance(logger)
 
         val descriptor = ServiceLocator.lookup<FormatDescriptor>("format", options.outputFormat)
-
+        binder.bind<DescriptorSignatureProvider>().to(descriptor.descriptorSignatureProvider.java)
         binder.registerCategory<LanguageService>("language")
         binder.bind<PackageDocumentationBuilder>().to(descriptor.packageDocumentationBuilderClass.java)
         binder.bind<JavaDocumentationBuilder>().to(descriptor.javaDocumentationBuilderClass.java)
diff --git a/core/src/main/kotlin/javadoc/dokka-adapters.kt b/core/src/main/kotlin/javadoc/dokka-adapters.kt
index 9555aeb9..c98a3801 100644
--- a/core/src/main/kotlin/javadoc/dokka-adapters.kt
+++ b/core/src/main/kotlin/javadoc/dokka-adapters.kt
@@ -4,6 +4,8 @@ import com.google.inject.Inject
 import com.sun.tools.doclets.formats.html.HtmlDoclet
 import org.jetbrains.dokka.*
 import org.jetbrains.dokka.Formats.FormatDescriptor
+import org.jetbrains.dokka.Kotlin.KotlinAsJavaDescriptorSignatureProvider
+import org.jetbrains.dokka.Model.DescriptorSignatureProvider
 import org.jetbrains.dokka.Samples.DefaultSampleProcessingService
 import kotlin.reflect.KClass
 
@@ -36,4 +38,5 @@ class JavadocFormatDescriptor : FormatDescriptor {
     override val javaDocumentationBuilderClass = JavaPsiDocumentationBuilder::class
     override val sampleProcessingService = DefaultSampleProcessingService::class
     override val packageListServiceClass: KClass<out PackageListService>? = null
+    override val descriptorSignatureProvider = KotlinAsJavaDescriptorSignatureProvider::class
 }
diff --git a/core/src/test/kotlin/javadoc/JavadocTest.kt b/core/src/test/kotlin/javadoc/JavadocTest.kt
index 359c5fef..45c45aa4 100644
--- a/core/src/test/kotlin/javadoc/JavadocTest.kt
+++ b/core/src/test/kotlin/javadoc/JavadocTest.kt
@@ -151,6 +151,16 @@ class JavadocTest {
         }
     }
 
+    @Test
+    fun testCompanionMethodReference() {
+        verifyJavadoc("testdata/javadoc/companionMethodReference.kt") { doc ->
+            val classDoc = doc.classNamed("foo.TestClass")!!
+            val tag = classDoc.inlineTags().filterIsInstance<SeeMethodTagAdapter>().first()
+            assertEquals("TestClass.Companion", tag.referencedClassName())
+            assertEquals("test", tag.referencedMemberName())
+        }
+    }
+
     private fun verifyJavadoc(name: String,
                               withJdk: Boolean = false,
                               withKotlinRuntime: Boolean = false,
diff --git a/core/testdata/javadoc/companionMethodReference.kt b/core/testdata/javadoc/companionMethodReference.kt
new file mode 100644
index 00000000..499e4492
--- /dev/null
+++ b/core/testdata/javadoc/companionMethodReference.kt
@@ -0,0 +1,13 @@
+package foo
+
+
+/**
+ * Linking to [test]
+ */
+class TestClass {
+
+    companion object {
+
+        @JvmStatic fun test(arg: String) {}
+    }
+}
\ No newline at end of file