1 files changed, 67 insertions, 0 deletions
diff --git a/test-utils/src/main/kotlin/com/google/devtools/ksp/processor/DeclarationUtilProcessor.kt b/test-utils/src/main/kotlin/com/google/devtools/ksp/processor/DeclarationUtilProcessor.kt
new file mode 100644
index 00000000..15bbf140
--- /dev/null
+++ b/test-utils/src/main/kotlin/com/google/devtools/ksp/processor/DeclarationUtilProcessor.kt
@@ -0,0 +1,67 @@
+/*
+ * Copyright 2020 Google LLC
+ * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.devtools.ksp.processor
+
+import com.google.devtools.ksp.*
+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.KSNode
+import com.google.devtools.ksp.visitor.KSTopDownVisitor
+
+class DeclarationUtilProcessor : AbstractTestProcessor() {
+    private val result = mutableListOf<String>()
+
+    override fun toResult(): List<String> {
+        return result
+    }
+
+    override fun process(resolver: Resolver): List<KSAnnotated> {
+        val visitor = DeclarationCollector()
+        resolver.getNewFiles().forEach { it.accept(visitor, result) }
+        return emptyList()
+    }
+}
+
+class DeclarationCollector : KSTopDownVisitor<MutableCollection<String>, Unit>() {
+    override fun defaultHandler(node: KSNode, data: MutableCollection<String>) {
+    }
+
+    private fun KSDeclaration.toSignature(): String {
+        qualifiedName?.let {
+            return it.asString()
+        }
+        val parentSignature = parentDeclaration?.toSignature() ?: ""
+        return "$parentSignature / ${simpleName.asString()}"
+    }
+
+    override fun visitDeclaration(declaration: KSDeclaration, data: MutableCollection<String>) {
+        data.add(
+            "${declaration.toSignature()}: " + listOf(
+                "internal" to declaration.isInternal(),
+                "local" to declaration.isLocal(),
+                "private" to declaration.isPrivate(),
+                "protected" to declaration.isProtected(),
+                "public" to declaration.isPublic(),
+                "open" to declaration.isOpen()
+            ).filter { it.second }.joinToString(" ") {
+                it.first
+            }
+        )
+    }
+}