1 files changed, 60 insertions, 0 deletions
diff --git a/compiler-plugin/src/main/kotlin/com/google/devtools/ksp/symbol/impl/kotlin/KSFunctionErrorImpl.kt b/compiler-plugin/src/main/kotlin/com/google/devtools/ksp/symbol/impl/kotlin/KSFunctionErrorImpl.kt
new file mode 100644
index 00000000..5100e367
--- /dev/null
+++ b/compiler-plugin/src/main/kotlin/com/google/devtools/ksp/symbol/impl/kotlin/KSFunctionErrorImpl.kt
@@ -0,0 +1,60 @@
+/*
+ * 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.symbol.impl.kotlin
+
+import com.google.devtools.ksp.symbol.KSFunction
+import com.google.devtools.ksp.symbol.KSFunctionDeclaration
+import com.google.devtools.ksp.symbol.KSType
+import com.google.devtools.ksp.symbol.KSTypeParameter
+
+/**
+ * Used when `ResolverImpl.asMemberOf` is called with an error type or function declaration cannot be found.
+ */
+class KSFunctionErrorImpl(
+    private val declaration: KSFunctionDeclaration
+) : KSFunction {
+    override val isError: Boolean = true
+
+    override val returnType: KSType = KSErrorType
+
+    override val parameterTypes: List<KSType?>
+        get() = declaration.parameters.map {
+            KSErrorType
+        }
+    override val typeParameters: List<KSTypeParameter>
+        get() = emptyList()
+
+    override val extensionReceiverType: KSType?
+        get() = declaration.extensionReceiver?.let {
+            KSErrorType
+        }
+
+    override fun equals(other: Any?): Boolean {
+        if (this === other) return true
+        if (javaClass != other?.javaClass) return false
+
+        other as KSFunctionErrorImpl
+
+        if (declaration != other.declaration) return false
+
+        return true
+    }
+
+    override fun hashCode(): Int {
+        return declaration.hashCode()
+    }
+}