location unsupported operation exception

compiler-plugin/src/main/kotlin/com/google/devtools/ksp/processor/DeclarationOrderProcessor.kt

@@ -0,0 +1,25 @@
+package com.google.devtools.ksp.processor
+
+import com.google.devtools.ksp.getClassDeclarationByName
+import com.google.devtools.ksp.processing.Resolver
+
+class DeclarationOrderProcessor : AbstractTestProcessor() {
+    private val result = mutableListOf<String>()
+    override fun toResult() = result
+
+    override fun process(resolver: Resolver) {
+        val classNames = listOf(
+            //"ClassInModule1", "JavaClassInModule1",
+            "ClassInMain"//, "JavaClassInMain"
+        )
+        classNames.mapNotNull {
+            resolver.getClassDeclarationByName(it)
+        }.forEach { klass ->
+            klass.declarations.forEach {
+                println("${klass.qualifiedName?.asString()} $it")
+                println("$it ${it.location}")
+                result.add("$it : ${it.location}")
+            }
+        }
+    }
+}

compiler-plugin/src/test/java/com/google/devtools/ksp/test/KotlinKSPTestGenerated.java

@@ -97,6 +97,11 @@ public void testDeclarationInconsistency() throws Exception {
         runTest("testData/api/declarationInconsistency.kt");
     }
 
+    @TestMetadata("declarationOrder.kt")
+    public void testDeclarationOrder() throws Exception {
+        runTest("testData/api/declarationOrder.kt");
+    }
+
     @TestMetadata("declarationPackageName.kt")
     public void testDeclarationPackageName() throws Exception {
         runTest("testData/api/declarationPackageName.kt");

compiler-plugin/testData/api/declarationOrder.kt

@@ -0,0 +1,41 @@
+// WITH_RUNTIME
+// TEST PROCESSOR: DeclarationOrderProcessor
+// EXPECTED:
+// ClassInMainModule[KOTLIN]
+// ClassInModule1[CLASS]
+// ClassInModule2[CLASS]
+// JavaClassInMainModule[JAVA]
+// JavaClassInModule1[CLASS]
+// JavaClassInModule2[CLASS]
+// TestTarget[KOTLIN]
+// END
+// MODULE: module1
+// FILE: ClassInModule1.kt
+class ClassInModule1 {
+    val prop1: String = TODO()
+    val prop2: String? = TODO()
+    fun fun1(): String = TODO()
+    fun fun2() :String = TODO()
+}
+// FILE: JavaClassInModule1.java
+public class JavaClassInModule1 {
+    String field1 = "";
+    String field2 = "";
+    void function1() {}
+    void function2() {}
+}
+// MODULE: main(module1)
+// FILE: main.kt
+class ClassInMain {
+    val prop1: String = TODO()
+    val prop2: String? = TODO()
+    fun fun1(): String = TODO()
+    fun fun2() :String = TODO()
+}
+// FILE: JavaClassInModule1.java
+public class JavaClassInMain {
+    String field1 = "";
+    String field2 = "";
+    void function1() {}
+    void function2() {}
+}