[lombok] Introduce synthetic constructors generation

core/descriptors.jvm/src/org/jetbrains/kotlin/load/java/lazy/descriptors/LazyJavaClassMemberScope.kt

@@ -99,6 +99,8 @@ class LazyJavaClassMemberScope(
             }
         }
 
+        c.components.syntheticPartsProvider.generateSyntheticConstructors(ownerDescriptor, result)
+
         c.components.signatureEnhancement.enhanceSignatures(
             c,
             result.ifEmpty { listOfNotNull(createDefaultConstructor()) }

core/descriptors.jvm/src/org/jetbrains/kotlin/resolve/jvm/SyntheticJavaPartsProvider.kt

@@ -5,6 +5,7 @@
 
 package org.jetbrains.kotlin.resolve.jvm
 
+import org.jetbrains.kotlin.descriptors.ClassConstructorDescriptor
 import org.jetbrains.kotlin.descriptors.ClassDescriptor
 import org.jetbrains.kotlin.descriptors.SimpleFunctionDescriptor
 import org.jetbrains.kotlin.name.Name
@@ -23,6 +24,8 @@ interface SyntheticJavaPartsProvider {
         result: MutableCollection<SimpleFunctionDescriptor>
     )
 
+    fun generateSyntheticConstructors(thisDescriptor: ClassDescriptor, result: MutableList<ClassConstructorDescriptor>)
+
 }
 
 class CompositeSyntheticJavaPartsProvider(private val inner: List<SyntheticJavaPartsProvider>) : SyntheticJavaPartsProvider {
@@ -33,5 +36,11 @@ class CompositeSyntheticJavaPartsProvider(private val inner: List<SyntheticJavaP
         thisDescriptor: ClassDescriptor,
         name: Name,
         result: MutableCollection<SimpleFunctionDescriptor>
-    ) = inner.forEach { it.generateSyntheticMethods(thisDescriptor, name, result) }
+    ) {
+        inner.forEach { it.generateSyntheticMethods(thisDescriptor, name, result) }
+    }
+
+    override fun generateSyntheticConstructors(thisDescriptor: ClassDescriptor, result: MutableList<ClassConstructorDescriptor>) {
+        inner.forEach { it.generateSyntheticConstructors(thisDescriptor, result) }
+    }
 }

plugins/lombok/lombok-compiler-plugin/README.md

@@ -15,7 +15,8 @@ Features support:
  - [x] @Accessors config support: chain and fluent
  - [ ] Config support (_lombok.getter.noIsPrefix_ only supported)
  - [ ] Copy annotations
- - [ ] strip defined prefixes - in config and @Accessors
+ - [ ] Strip defined prefixes - in config and @Accessors
+ - [ ] Skip generation with AccessLevel.NONE
 
 [~] [@With](https://projectlombok.org/features/With)
   
@@ -23,6 +24,8 @@ Features support:
   - [ ] Copy annotations
   
 [ ] [@NoArgsConstructor, @RequiredArgsConstructor and @AllArgsConstructor](https://projectlombok.org/features/constructor)
+ - [ ] Generate constructors
+ - [ ] Generate static factory method
 
 [ ] [@Data](https://projectlombok.org/features/Data)
 
@@ -31,5 +34,12 @@ Features support:
 [ ] [@Builder](https://projectlombok.org/features/Builder)
 
 
+Other todos:
+ - [ ] Generic classes
+ - [ ] Don't generate members that already exist (if having a duplicate is a problem)
+ - [ ] Gradle integration (as subplugin or just a way to enable lombok support)
+ - [ ] Maven integration (as subplugin or just a way to enable lombok support)
+
+
 
  

plugins/lombok/lombok-compiler-plugin/src/org/jetbrains/kotlin/lombok/LombokSyntheticJavaPartsProvider.kt

@@ -5,6 +5,7 @@
 
 package org.jetbrains.kotlin.lombok
 
+import org.jetbrains.kotlin.descriptors.ClassConstructorDescriptor
 import org.jetbrains.kotlin.descriptors.ClassDescriptor
 import org.jetbrains.kotlin.descriptors.SimpleFunctionDescriptor
 import org.jetbrains.kotlin.load.java.lazy.descriptors.LazyJavaClassDescriptor
@@ -40,6 +41,11 @@ class LombokSyntheticJavaPartsProvider(private val config: LombokConfig) : Synth
         result.addAll(methods)
     }
 
+    override fun generateSyntheticConstructors(thisDescriptor: ClassDescriptor, result: MutableList<ClassConstructorDescriptor>) {
+        val constructors = getSyntheticParts(thisDescriptor).constructors
+        result.addAll(constructors)
+    }
+
     private fun extractClass(descriptor: ClassDescriptor): JavaClassImpl? =
         (descriptor as? LazyJavaClassDescriptor)?.jClass as? JavaClassImpl
 

plugins/lombok/lombok-compiler-plugin/src/org/jetbrains/kotlin/lombok/processor/Parts.kt

@@ -5,11 +5,15 @@
 
 package org.jetbrains.kotlin.lombok.processor
 
+import org.jetbrains.kotlin.descriptors.ClassConstructorDescriptor
 import org.jetbrains.kotlin.descriptors.SimpleFunctionDescriptor
 
-data class Parts(val methods: List<SimpleFunctionDescriptor> = emptyList()) {
+data class Parts(
+    val methods: List<SimpleFunctionDescriptor> = emptyList(),
+    val constructors: List<ClassConstructorDescriptor> = emptyList()
+) {
 
-    operator fun plus(other: Parts): Parts = Parts(methods + other.methods)
+    operator fun plus(other: Parts): Parts = Parts(methods + other.methods, constructors + other.constructors)
 
     companion object {
         val Empty = Parts()

plugins/lombok/lombok-compiler-plugin/src/org/jetbrains/kotlin/lombok/processor/SetterProcessor.kt

@@ -5,9 +5,7 @@
 
 package org.jetbrains.kotlin.lombok.processor
 
-import org.jetbrains.kotlin.descriptors.ClassDescriptor
+import org.jetbrains.kotlin.descriptors.*
-import org.jetbrains.kotlin.descriptors.PropertyDescriptor
-import org.jetbrains.kotlin.descriptors.SimpleFunctionDescriptor
 import org.jetbrains.kotlin.load.java.structure.impl.JavaClassImpl
 import org.jetbrains.kotlin.lombok.config.Accessors
 import org.jetbrains.kotlin.lombok.config.LombokConfig
@@ -19,6 +17,9 @@ import org.jetbrains.kotlin.resolve.descriptorUtil.builtIns
 class SetterProcessor(private val config: LombokConfig) : Processor {
 
     override fun contribute(classDescriptor: ClassDescriptor, jClass: JavaClassImpl): Parts {
+        //lombok doesn't generate setters for enums
+        if (classDescriptor.kind == ClassKind.ENUM_CLASS) return Parts.Empty
+
         val clAccessors = Accessors.getOrNull(classDescriptor)
         val clSetter = Setter.getOrNull(classDescriptor)