1 files changed, 38 insertions, 0 deletions
diff --git a/compiler-plugin/src/main/kotlin/com/google/devtools/ksp/symbol/impl/binary/KSTypeAliasDescriptorImpl.kt b/compiler-plugin/src/main/kotlin/com/google/devtools/ksp/symbol/impl/binary/KSTypeAliasDescriptorImpl.kt
new file mode 100644
index 00000000..29dc0613
--- /dev/null
+++ b/compiler-plugin/src/main/kotlin/com/google/devtools/ksp/symbol/impl/binary/KSTypeAliasDescriptorImpl.kt
@@ -0,0 +1,38 @@
+package com.google.devtools.ksp.symbol.impl.binary
+
+import com.google.devtools.ksp.KSObjectCache
+import com.google.devtools.ksp.processing.impl.KSNameImpl
+import com.google.devtools.ksp.symbol.*
+import com.google.devtools.ksp.toKSModifiers
+import org.jetbrains.kotlin.descriptors.TypeAliasDescriptor
+
+class KSTypeAliasDescriptorImpl(descriptor: TypeAliasDescriptor) :
+    KSTypeAlias,
+    KSDeclarationDescriptorImpl(descriptor),
+    KSExpectActual by KSExpectActualDescriptorImpl(descriptor) {
+    companion object : KSObjectCache<TypeAliasDescriptor, KSTypeAliasDescriptorImpl>() {
+        fun getCached(descriptor: TypeAliasDescriptor) = KSTypeAliasDescriptorImpl.cache.getOrPut(descriptor) {
+            KSTypeAliasDescriptorImpl(descriptor)
+        }
+    }
+
+    override val name: KSName by lazy {
+        KSNameImpl.getCached(descriptor.name.asString())
+    }
+
+    override val modifiers: Set<Modifier> by lazy {
+        descriptor.toKSModifiers()
+    }
+
+    override val typeParameters: List<KSTypeParameter> by lazy {
+        descriptor.declaredTypeParameters.map { KSTypeParameterDescriptorImpl.getCached(it) }
+    }
+
+    override val type: KSTypeReference by lazy {
+        KSTypeReferenceDescriptorImpl.getCached(descriptor.underlyingType, origin, this)
+    }
+
+    override fun <D, R> accept(visitor: KSVisitor<D, R>, data: D): R {
+        return visitor.visitTypeAlias(this, data)
+    }
+}