Type aliases.

compiler/ir/ir.psi2ir/src/org/jetbrains/kotlin/psi2ir/generators/DeclarationGenerator.kt

@@ -135,7 +135,7 @@ class DeclarationGenerator(override val context: GeneratorContext) : Generator {
                                                  getterDescriptor, getterBody)
 
         if (propertyDescriptor.isVar) {
-            val setterDescriptor = propertyDescriptor.setter ?: throw AssertionError("Delegated property should have setter: $propertyDescriptor")
+            val setterDescriptor = propertyDescriptor.setter ?: throw AssertionError("Delegated var should have setter: $propertyDescriptor")
             val setterBody = createBodyGenerator(setterDescriptor).generateDelegatedPropertySetter(ktDelegate, delegateDescriptor, setterDescriptor)
             irProperty.setter = IrPropertySetterImpl(ktDelegate.startOffset, ktDelegate.endOffset, IrDeclarationOrigin.DELEGATED_PROPERTY_ACCESSOR,
                                                      setterDescriptor, setterBody)
@@ -153,18 +153,16 @@ class DeclarationGenerator(override val context: GeneratorContext) : Generator {
             val accessorDescriptor = getOrFail(BindingContext.PROPERTY_ACCESSOR, ktGetter)
             val getterDescriptor = accessorDescriptor as? PropertyGetterDescriptor ?: TODO("not a getter?")
             val irGetterBody = generateFunctionBody(getterDescriptor, ktGetter.bodyExpression ?: TODO("default getter"))
-            val irGetter = IrPropertyGetterImpl(ktGetter.startOffset, ktGetter.endOffset, IrDeclarationOrigin.DEFINED,
-                                                getterDescriptor, irGetterBody)
-            irGetter
+            IrPropertyGetterImpl(ktGetter.startOffset, ktGetter.endOffset, IrDeclarationOrigin.DEFINED,
+                                 getterDescriptor, irGetterBody)
         }
 
         irProperty.setter = ktProperty.setter?.let { ktSetter ->
             val accessorDescriptor = getOrFail(BindingContext.PROPERTY_ACCESSOR, ktSetter)
             val setterDescriptor = accessorDescriptor as? PropertySetterDescriptor ?: TODO("not a setter?")
             val irSetterBody = generateFunctionBody(setterDescriptor, ktSetter.bodyExpression ?: TODO("default setter"))
-            val irSetter = IrPropertySetterImpl(ktSetter.startOffset, ktSetter.endOffset, IrDeclarationOrigin.DEFINED,
-                                                setterDescriptor, irSetterBody)
-            irSetter
+            IrPropertySetterImpl(ktSetter.startOffset, ktSetter.endOffset, IrDeclarationOrigin.DEFINED,
+                                 setterDescriptor, irSetterBody)
         }
 
         return irProperty

compiler/ir/ir.psi2ir/src/org/jetbrains/kotlin/psi2ir/generators/Generator.kt

@@ -52,7 +52,7 @@ fun Generator.getInferredTypeWithImplicitCasts(key: KtExpression): KotlinType? =
         context.bindingContext.getType(key)
 
 fun Generator.getInferredTypeWithImplicitCastsOrFail(key: KtExpression): KotlinType =
-        getInferredTypeWithImplicitCasts(key) ?: throw AssertionError("No type for expression: ${key.text}")
+        getInferredTypeWithImplicitCasts(key) ?: throw RuntimeException("No type for expression: ${key.text}")
 
 fun Generator.getResolvedCall(key: KtElement): ResolvedCall<out CallableDescriptor>? =
         key.getResolvedCall(context.bindingContext)

compiler/ir/ir.psi2ir/src/org/jetbrains/kotlin/psi2ir/generators/StatementGenerator.kt

@@ -20,6 +20,7 @@ import org.jetbrains.kotlin.descriptors.*
 import org.jetbrains.kotlin.ir.IrStatement
 import org.jetbrains.kotlin.ir.assertCast
 import org.jetbrains.kotlin.ir.declarations.IrDeclarationOrigin
+import org.jetbrains.kotlin.ir.declarations.IrTypeAliasImpl
 import org.jetbrains.kotlin.ir.declarations.IrVariableImpl
 import org.jetbrains.kotlin.ir.expressions.*
 import org.jetbrains.kotlin.psi.*
@@ -345,6 +346,10 @@ class StatementGenerator(
 
     override fun visitClassOrObject(classOrObject: KtClassOrObject, data: Nothing?): IrStatement =
             LocalClassGenerator(this).generateLocalClass(classOrObject)
+
+    override fun visitTypeAlias(typeAlias: KtTypeAlias, data: Nothing?): IrStatement =
+            IrTypeAliasImpl(typeAlias.startOffset, typeAlias.endOffset, IrDeclarationOrigin.DEFINED,
+                            getOrFail(BindingContext.TYPE_ALIAS, typeAlias))
 }
 
 abstract class StatementGeneratorExtension(val statementGenerator: StatementGenerator) : GeneratorWithScope {

compiler/testData/ir/irText/declarations/typeAlias.kt

@@ -0,0 +1,9 @@
+typealias Test1 = String
+
+fun foo() {
+    typealias TestLocal = String
+}
+
+class C {
+    typealias TestNested = String
+}

compiler/testData/ir/irText/declarations/typeAlias.txt

@@ -0,0 +1,10 @@
+FILE /typeAlias.kt
+  TYPEALIAS Test1 type=kotlin.String
+  FUN public fun foo(): kotlin.Unit
+    BLOCK_BODY
+      TYPEALIAS TestLocal type=kotlin.String
+  CLASS CLASS C
+    CONSTRUCTOR public constructor C()
+      BLOCK_BODY
+        INSTANCE_INITIALIZER_CALL classDescriptor=C
+    TYPEALIAS TestNested type=kotlin.String

compiler/tests/org/jetbrains/kotlin/ir/IrTextTestCaseGenerated.java

@@ -171,6 +171,12 @@ public class IrTextTestCaseGenerated extends AbstractIrTextTestCase {
             String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/ir/irText/declarations/delegatedProperties.kt");
             doTest(fileName);
         }
+
+        @TestMetadata("typeAlias.kt")
+        public void testTypeAlias() throws Exception {
+            String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/ir/irText/declarations/typeAlias.kt");
+            doTest(fileName);
+        }
     }
 
     @TestMetadata("compiler/testData/ir/irText/expressions")