translator: nested classes fields access, tests

translator/src/main/kotlin/main.kt

@@ -14,12 +14,12 @@ fun main(args: Array<String>) {
 
     val analyzedFiles = ArrayList<String>()
 
-//    val kotlib = ClassLoader.getSystemClassLoader().getResources("kotlib/kotlin")
-//    for (resourse in kotlib) {
-//        for (app in File(resourse.toURI()).listFiles()) {
-//            analyzedFiles.add(app.absoluteFile.toString())
-//        }
-//    }
+    val kotlib = ClassLoader.getSystemClassLoader().getResources("kotlib/kotlin")
+    for (resourse in kotlib) {
+        for (app in File(resourse.toURI()).listFiles()) {
+            analyzedFiles.add(app.absoluteFile.toString())
+        }
+    }
 
     analyzedFiles.addAll(args.toList())
 

translator/src/main/kotlin/org/kotlinnative/translator/BlockCodegen.kt

@@ -106,7 +106,11 @@ abstract class BlockCodegen(open val state: TranslationState, open val variableM
     }
 
     private fun evaluateMemberMethodOrField(receiver: LLVMVariable, selectorName: String, scopeDepth: Int, call: PsiElement): LLVMSingleValue? {
-        val clazz = state.classes[(receiver.type as LLVMReferenceType).type] ?: state.objects[(receiver.type as LLVMReferenceType).type]!!
+
+        val type = receiver.type as LLVMReferenceType
+
+        val clazz = resolveClassOrObjectLocation(type)
+
         val field = clazz.fieldsIndex[selectorName]
         if (field != null) {
             val result = codeBuilder.getNewVariable(field.type, pointer = 1)
@@ -126,6 +130,21 @@ abstract class BlockCodegen(open val state: TranslationState, open val variableM
         return evaluateFunctionCallExpression(LLVMVariable(methodName, returnType, scope = LLVMVariableScope()), callArgs)
     }
 
+    private fun resolveClassOrObjectLocation(type: LLVMReferenceType): StructCodegen {
+        if (type.location.size == 0) {
+            return state.classes[type.type] ?: state.objects[type.type]!!
+
+        }
+
+        var codegen = state.classes[type.location[0]]!!
+        var i = 1
+        while (i < type.location.size) {
+            codegen = codegen.nestedClasses[type.location[i]]!!
+        }
+
+        return codegen.nestedClasses[type.type]!!
+    }
+
     fun evaluateArrayAccessExpression(expr: KtArrayAccessExpression, scope: Int): LLVMSingleValue? {
         val arrayNameVariable = evaluateReferenceExpression(expr.arrayExpression as KtReferenceExpression, scope) as LLVMVariable
         val arrayIndex = evaluateConstantExpression(expr.indexExpressions.first() as KtConstantExpression)
@@ -166,6 +185,8 @@ abstract class BlockCodegen(open val state: TranslationState, open val variableM
 
         val nestedConstructor = classScope?.nestedClasses?.get(expr.calleeExpression!!.text)
         if (nestedConstructor != null) {
+            val args = loadArgsIfRequired(names, nestedConstructor.constructorFields)
+            return evaluateConstructorCallExpression(LLVMVariable(nestedConstructor.fullName, nestedConstructor.type, scope = LLVMVariableScope()), args)
         }
 
         return null

translator/src/main/kotlin/org/kotlinnative/translator/ClassCodegen.kt

@@ -15,9 +15,9 @@ class ClassCodegen(override val state: TranslationState,
                    override val variableManager: VariableManager,
                    val clazz: KtClass,
                    override val codeBuilder: LLVMBuilder,
-                   prefix: String = "") :
+                   owner: StructCodegen? = null) :
 
-        StructCodegen(state, variableManager, clazz, state.bindingContext.get(BindingContext.CLASS, clazz) ?: throw TranslationException(), codeBuilder, prefix) {
+        StructCodegen(state, variableManager, clazz, state.bindingContext.get(BindingContext.CLASS, clazz) ?: throw TranslationException(), codeBuilder, owner) {
 
     val annotation: Boolean
 
@@ -34,9 +34,11 @@ class ClassCodegen(override val state: TranslationState,
         indexFields(descriptor, parameterList)
         generateInnerFields(clazz.declarations)
 
-        if (prefix.length > 0) {
-            type.prefix = "${type.prefix}_$prefix"
+        if (owner != null) {
+            type.location.addAll(owner.type.location)
+            type.location.add(owner.structName)
         }
+
         type.size = size
     }
 
@@ -63,6 +65,7 @@ class ClassCodegen(override val state: TranslationState,
                 fieldsIndex["enum_item"] = item
                 size += type.size
             }
+            else -> {}
         }
     }
 

translator/src/main/kotlin/org/kotlinnative/translator/StructCodegen.kt

@@ -16,7 +16,7 @@ abstract class StructCodegen(open val state: TranslationState,
                              open val classOrObject: KtClassOrObject,
                              val classDescriptor: ClassDescriptor,
                              open val codeBuilder: LLVMBuilder,
-                             val prefix: String = "") {
+                             val owner: StructCodegen? = null) {
 
     val fields = ArrayList<LLVMVariable>()
     val fieldsIndex = HashMap<String, LLVMClassVariable>()
@@ -29,8 +29,7 @@ abstract class StructCodegen(open val state: TranslationState,
     var methods = HashMap<String, FunctionCodegen>()
     abstract val structName: String
     val fullName: String
-            get() = "${if (prefix.length > 0) "${prefix}_" else ""}$structName"
-
+            get() = "${if (type.location.size > 0) "${type.location.joinToString(".")}." else ""}$structName"
 
     fun generate(declarations: List<KtDeclaration>) {
         generateStruct()
@@ -71,7 +70,7 @@ abstract class StructCodegen(open val state: TranslationState,
                             ClassCodegen(state,
                                     VariableManager(state.globalVariableCollection),
                                     declaration, codeBuilder,
-                                    fullName))
+                                    this))
                 }
             }
         }

translator/src/main/kotlin/org/kotlinnative/translator/llvm/types/LLVMReferenceType.kt

@@ -7,10 +7,14 @@ class LLVMReferenceType(val type: String, var prefix: String = "", override val
     override val defaultValue: String = ""
 
     override var size: Int = 4
-    override fun toString() = "%$prefix${if (prefix.length > 0) "." else ""}$type"
+    override fun toString() = "%$prefix${if (prefix.length > 0) "." else ""}${
+        if (location.size > 0) "${location.joinToString(".")}." else ""
+    }$type"
 
     private val params = ArrayList<String>()
 
+    val location = ArrayList<String>()
+
     fun addParam(param: String) {
         params.add(param)
     }

translator/src/test/kotlin/tests/input/nested_classes.txt

@@ -0,0 +1 @@
+nested_test_1(1) == 1

translator/src/test/kotlin/tests/kotlin/nested_classes.kt

@@ -0,0 +1,13 @@
+
+class Outer() {
+
+    class Nested(var i: Int) {
+    }
+}
+
+fun nested_test_1(k: Int): Int {
+    val j = Outer.Nested(k - 1)
+    j.i = k
+
+    return j.i
+}