Sketch of default signature provider

2 files changed, 16 insertions, 6 deletions

diff --git a/core/src/main/kotlin/model/Documentable.kt b/core/src/main/kotlin/model/Documentable.kt
index c16f8a87..4190edc3 100644
--- a/core/src/main/kotlin/model/Documentable.kt
+++ b/core/src/main/kotlin/model/Documentable.kt
@@ -315,7 +315,7 @@ data class TypeParameter(
     override val dri: DRI,
     override val name: String,
     override val documentation: PlatformDependent<DocumentationNode>,
-    val bounds: List<Projection>,
+    val bounds: List<Bound>,
     override val platformData: List<PlatformData>,
     override val extra: PropertyContainer<TypeParameter> = PropertyContainer.empty()
 ) : Documentable(), WithExtraProperties<TypeParameter> {
@@ -325,11 +325,14 @@ data class TypeParameter(
     override fun withNewExtras(newExtras: PropertyContainer<TypeParameter>) = copy(extra = newExtras)
 }
 
-sealed class Projection {
-    data class OtherParameter(val name: String) : Projection()
-    object Star : Projection()
-    data class TypeConstructor(val dri: DRI, val projections: List<Projection>) : Projection()
-    data class Nullable(val inner: Projection) : Projection()
+sealed class Projection
+sealed class Bound : Projection()
+data class OtherParameter(val name: String) : Bound()
+object Star : Projection()
+data class TypeConstructor(val dri: DRI, val projections: List<Projection>) : Bound()
+data class Nullable(val inner: Bound) : Bound()
+data class Variance(val kind: Kind, val inner: Bound): Projection() {
+    enum class Kind { In, Out }
 }
 
 enum class ExtraModifiers {
diff --git a/core/src/main/kotlin/model/SignatureProvider.kt b/core/src/main/kotlin/model/SignatureProvider.kt
new file mode 100644
index 00000000..2df0f4b6
--- /dev/null
+++ b/core/src/main/kotlin/model/SignatureProvider.kt
@@ -0,0 +1,7 @@
+package org.jetbrains.dokka.model
+
+import org.jetbrains.dokka.pages.ContentNode
+
+interface SignatureProvider {
+    fun signature(documentable: Documentable): List<ContentNode>
+}
\ No newline at end of file