1 files changed, 44 insertions, 0 deletions
diff --git a/test-utils/src/main/kotlin/com/google/devtools/ksp/processor/DeclarationOrderProcessor.kt b/test-utils/src/main/kotlin/com/google/devtools/ksp/processor/DeclarationOrderProcessor.kt
new file mode 100644
index 00000000..6d9b9f61
--- /dev/null
+++ b/test-utils/src/main/kotlin/com/google/devtools/ksp/processor/DeclarationOrderProcessor.kt
@@ -0,0 +1,44 @@
+package com.google.devtools.ksp.processor
+
+import com.google.devtools.ksp.KspExperimental
+import com.google.devtools.ksp.getClassDeclarationByName
+import com.google.devtools.ksp.processing.Resolver
+import com.google.devtools.ksp.symbol.KSAnnotated
+import com.google.devtools.ksp.symbol.KSDeclaration
+import com.google.devtools.ksp.symbol.KSFunctionDeclaration
+import com.google.devtools.ksp.symbol.KSPropertyDeclaration
+
+@KspExperimental
+class DeclarationOrderProcessor : AbstractTestProcessor() {
+    private val result = mutableListOf<String>()
+    override fun toResult() = result
+
+    override fun process(resolver: Resolver): List<KSAnnotated> {
+        val classNames = listOf(
+            "lib.KotlinClass", "lib.JavaClass",
+            "KotlinClass", "JavaClass"
+        )
+        classNames.map {
+            checkNotNull(resolver.getClassDeclarationByName(it)) {
+                "cannot find $it"
+            }
+        }.forEach { klass ->
+            result.add(klass.qualifiedName!!.asString())
+            result.addAll(
+                resolver.getDeclarationsInSourceOrder(klass).filterIsInstance<KSPropertyDeclaration>().map {
+                    it.toSignature(resolver)
+                }
+            )
+            result.addAll(
+                resolver.getDeclarationsInSourceOrder(klass).filterIsInstance<KSFunctionDeclaration>().map {
+                    it.toSignature(resolver)
+                }
+            )
+        }
+        return emptyList()
+    }
+
+    private fun KSDeclaration.toSignature(
+        resolver: Resolver
+    ) = "${simpleName.asString()}:${resolver.mapToJvmSignature(this)}"
+}