Fix file generation issue on rebuild (#862)

If containingFile is null, add the full source set to the dependencies list for re-generation

Author: kylequera

querydsl-tooling/querydsl-ksp-codegen/src/main/kotlin/com/querydsl/ksp/codegen/QueryDslProcessor.kt

@@ -1,6 +1,7 @@
 package com.querydsl.ksp.codegen
 
 import com.google.devtools.ksp.processing.CodeGenerator
+import com.google.devtools.ksp.processing.Dependencies
 import com.google.devtools.ksp.processing.Resolver
 import com.google.devtools.ksp.processing.SymbolProcessor
 import com.google.devtools.ksp.symbol.*
@@ -12,8 +13,10 @@ class QueryDslProcessor(
     private val codeGenerator: CodeGenerator
 ) : SymbolProcessor {
     val typeProcessor = QueryModelExtractor(settings)
+    lateinit var typeResolver: Resolver
 
     override fun process(resolver: Resolver): List<KSAnnotated> {
+        typeResolver = resolver
         if (settings.enable) {
             QueryModelType.entries.forEach { type ->
                 resolver.getSymbolsWithAnnotation(type.associatedAnnotation)
@@ -29,14 +32,22 @@ class QueryDslProcessor(
         val models = typeProcessor.process()
         models.forEach { model ->
             val typeSpec = QueryModelRenderer.render(model)
+
+            val sources = if (model.originatingFile != null) {
+                arrayOf(model.originatingFile)
+            } else if (this::typeResolver.isInitialized) {
+                typeResolver.getAllFiles().toList().toTypedArray()
+            } else {
+                emptyArray()
+            }
+
             FileSpec.builder(model.className)
                 .indent(settings.indent)
                 .addType(typeSpec)
                 .build()
                 .writeTo(
-                    codeGenerator = codeGenerator,
-                    aggregating = false,
-                    originatingKSFiles = listOfNotNull(model.originatingFile)
+                    codeGenerator,
+                    Dependencies(false, *sources)
                 )
         }
     }