Merge pull request #687 from hzsweers/z/removeExtensions

Completely remove companion object jsonAdapter extension function gen

kotlin/codegen/src/main/java/com/squareup/moshi/kotlin/codegen/AdapterGenerator.kt

@@ -17,14 +17,12 @@ package com.squareup.moshi.kotlin.codegen
 
 import com.squareup.kotlinpoet.ARRAY
 import com.squareup.kotlinpoet.AnnotationSpec
-import com.squareup.kotlinpoet.ClassName
 import com.squareup.kotlinpoet.CodeBlock
 import com.squareup.kotlinpoet.FileSpec
 import com.squareup.kotlinpoet.FunSpec
 import com.squareup.kotlinpoet.KModifier
 import com.squareup.kotlinpoet.NameAllocator
 import com.squareup.kotlinpoet.ParameterSpec
-import com.squareup.kotlinpoet.ParameterizedTypeName
 import com.squareup.kotlinpoet.ParameterizedTypeName.Companion.parameterizedBy
 import com.squareup.kotlinpoet.PropertySpec
 import com.squareup.kotlinpoet.TypeSpec
@@ -40,7 +38,6 @@ import me.eugeniomarletti.kotlin.metadata.isDataClass
 import me.eugeniomarletti.kotlin.metadata.shadow.metadata.ProtoBuf.Visibility
 import me.eugeniomarletti.kotlin.metadata.visibility
 import java.lang.reflect.Type
-import javax.annotation.processing.Messager
 import javax.lang.model.element.TypeElement
 
 /** Generates a JSON adapter for a target type. */
@@ -50,7 +47,6 @@ internal class AdapterGenerator(
 ) {
   private val className = target.name
   private val isDataClass = target.proto.isDataClass
-  private val companionObjectName = target.companionObjectName
   private val visibility = target.proto.visibility!!
   private val typeVariables = target.typeVariables
 
@@ -87,21 +83,18 @@ internal class AdapterGenerator(
           JsonReader.Options::class.asTypeName())
       .build()
 
-  fun generateFile(messager: Messager, generatedOption: TypeElement?): FileSpec {
+  fun generateFile(generatedOption: TypeElement?): FileSpec {
     for (property in propertyList) {
       property.allocateNames(nameAllocator)
     }
 
     val result = FileSpec.builder(className.packageName, adapterName)
     result.addComment("Code generated by moshi-kotlin-codegen. Do not edit.")
-    companionObjectName?.let {
-      result.addFunction(generateJsonAdapterFun(it))
-    }
-    result.addType(generateType(messager, generatedOption))
+    result.addType(generateType(generatedOption))
     return result.build()
   }
 
-  private fun generateType(messager: Messager, generatedOption: TypeElement?): TypeSpec {
+  private fun generateType(generatedOption: TypeElement?): TypeSpec {
     val result = TypeSpec.classBuilder(adapterName)
 
     generatedOption?.let {
@@ -311,31 +304,4 @@ internal class AdapterGenerator(
 
     return result.build()
   }
-
-  private fun generateJsonAdapterFun(name: String): FunSpec {
-    val rawType = when (originalTypeName) {
-      is TypeVariableName -> throw IllegalArgumentException("Cannot get raw type of TypeVariable!")
-      is ParameterizedTypeName -> originalTypeName.rawType
-      else -> originalTypeName as ClassName
-    }
-
-    val result = FunSpec.builder("jsonAdapter")
-        .receiver(rawType.nestedClass(name))
-        .returns(jsonAdapterTypeName)
-        .addParameter(moshiParam)
-
-    if (visibility == Visibility.INTERNAL) {
-      result.addModifiers(KModifier.INTERNAL)
-    }
-
-    if (typeVariables.isNotEmpty()) {
-      result.addParameter(typesParam)
-      result.addTypeVariables(typeVariables)
-      result.addStatement("return %N(%N, %N)", adapterName, moshiParam, typesParam)
-    } else {
-      result.addStatement("return %N(%N)", adapterName, moshiParam)
-    }
-
-    return result.build()
-  }
 }

kotlin/codegen/src/main/java/com/squareup/moshi/kotlin/codegen/JsonClassCodegenProcessor.kt

@@ -125,7 +125,7 @@ class JsonClassCodegenProcessor : KotlinAbstractProcessor(), KotlinMetadataUtils
   }
 
   private fun AdapterGenerator.generateAndWrite(generatedOption: TypeElement?) {
-    val fileSpec = generateFile(messager, generatedOption)
+    val fileSpec = generateFile(generatedOption)
     val adapterName = fileSpec.members.filterIsInstance<TypeSpec>().first().name!!
     val outputDir = generatedDir ?: mavenGeneratedDir(adapterName)
     fileSpec.writeTo(outputDir)

kotlin/codegen/src/main/java/com/squareup/moshi/kotlin/codegen/TargetType.kt

@@ -53,8 +53,7 @@ internal data class TargetType(
   val element: TypeElement,
   val constructor: TargetConstructor,
   val properties: Map<String, TargetProperty>,
-  val typeVariables: List<TypeVariableName>,
-  val companionObjectName: String?
+  val typeVariables: List<TypeVariableName>
 ) {
   val name = element.className
 
@@ -129,12 +128,7 @@ internal data class TargetType(
           properties.putIfAbsent(name, property)
         }
       }
-      val companionObjectName = if (proto.hasCompanionObjectName()) {
-        typeMetadata.data.nameResolver.getQualifiedClassName(proto.companionObjectName)
-      } else {
-        null
-      }
-      return TargetType(proto, element, constructor, properties, typeVariables, companionObjectName)
+      return TargetType(proto, element, constructor, properties, typeVariables)
     }
 
     /** Returns the properties declared by `typeElement`. */

kotlin/tests/src/test/kotlin/com/squareup/moshi/kotlin/codgen/GeneratedAdaptersTest.kt

@@ -824,22 +824,6 @@ class GeneratedAdaptersTest {
   @JsonClass(generateAdapter = true)
   class DuplicateValue(var a: Int = -1, var b: Int = -2)
 
-  @Test fun companionObjectsTests() {
-    val moshi = Moshi.Builder().build()
-    val standardAdapter = CompanionObjectClass.jsonAdapter(moshi)
-    val customNameAdapter = NamedCompanionObjectClass.jsonAdapter(moshi)
-  }
-
-  @JsonClass(generateAdapter = true)
-  data class CompanionObjectClass(val foo: String) {
-    companion object
-  }
-
-  @JsonClass(generateAdapter = true)
-  data class NamedCompanionObjectClass(val foo: String) {
-    companion object CustomCompanionObject
-  }
-
   @Test fun extensionProperty() {
     val moshi = Moshi.Builder().build()
     val jsonAdapter = moshi.adapter(ExtensionProperty::class.java)