1 files changed, 64 insertions, 0 deletions
diff --git a/test-utils/src/main/kotlin/com/google/devtools/ksp/processor/EquivalentJavaWildcardProcessor.kt b/test-utils/src/main/kotlin/com/google/devtools/ksp/processor/EquivalentJavaWildcardProcessor.kt
new file mode 100644
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--- /dev/null
+++ b/test-utils/src/main/kotlin/com/google/devtools/ksp/processor/EquivalentJavaWildcardProcessor.kt
@@ -0,0 +1,64 @@
+/*
+ * 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.KspExperimental
+import com.google.devtools.ksp.processing.Resolver
+import com.google.devtools.ksp.symbol.*
+import com.google.devtools.ksp.visitor.KSTopDownVisitor
+
+open class EquivalentJavaWildcardProcessor : AbstractTestProcessor() {
+    val results = mutableListOf<String>()
+
+    @OptIn(KspExperimental::class)
+    override fun process(resolver: Resolver): List<KSAnnotated> {
+        resolver.getNewFiles().forEach {
+            resolver.getNewFiles().forEach {
+                it.accept(RefVisitor(results, resolver), "")
+            }
+        }
+
+        return emptyList()
+    }
+
+    override fun toResult(): List<String> {
+        return results
+    }
+
+    private class RefVisitor(
+        val results: MutableList<String>,
+        val resolver: Resolver
+    ) : KSTopDownVisitor<String, Unit>() {
+        override fun defaultHandler(node: KSNode, data: String) = Unit
+
+        private fun KSTypeReference.pretty(): String {
+            return resolve().toString()
+        }
+
+        @OptIn(KspExperimental::class)
+        override fun visitTypeReference(typeReference: KSTypeReference, data: String) {
+            val wildcard = resolver.getJavaWildcard(typeReference)
+            results.add(
+                data + typeReference.parent.toString() +
+                    " : " + typeReference.pretty() +
+                    " -> " + wildcard.pretty()
+            )
+            super.visitTypeReference(typeReference, data + "- ")
+        }
+    }
+}