preliminary support for intrinsics in std lib. javaClass<T>

compiler/backend/src/org/jetbrains/jet/codegen/intrinsics/IntrinsicMethods.java

@@ -72,7 +72,7 @@ public class IntrinsicMethods {
         myProject = project;
         myStdLib = stdlib;
 
-        namedMethods.put("std.javaClass.property", new JavaClassProperty());
+        namedMethods.put("\"std.javaClass.function\"", new JavaClassFunction());
 
         List<String> primitiveCastMethods = OperatorConventions.NUMBER_CONVERSIONS.asList();
         for (String method : primitiveCastMethods) {

compiler/backend/src/org/jetbrains/jet/codegen/intrinsics/JavaClassFunction.java

@@ -0,0 +1,47 @@
+/*
+ * Copyright 2000-2012 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.jetbrains.jet.codegen.intrinsics;
+
+import com.intellij.psi.PsiElement;
+import org.jetbrains.annotations.Nullable;
+import org.jetbrains.jet.codegen.ExpressionCodegen;
+import org.jetbrains.jet.codegen.StackValue;
+import org.jetbrains.jet.lang.descriptors.CallableDescriptor;
+import org.jetbrains.jet.lang.psi.JetCallExpression;
+import org.jetbrains.jet.lang.psi.JetExpression;
+import org.jetbrains.jet.lang.resolve.BindingContext;
+import org.jetbrains.jet.lang.resolve.calls.ResolvedCall;
+import org.jetbrains.jet.lang.types.TypeProjection;
+import org.objectweb.asm.Type;
+import org.objectweb.asm.commons.InstructionAdapter;
+
+import java.util.List;
+
+/**
+ * @author alex.tkachman
+ */
+public class JavaClassFunction implements IntrinsicMethod {
+    @Override
+    public StackValue generate(ExpressionCodegen codegen, InstructionAdapter v, Type expectedType, @Nullable PsiElement element, @Nullable List<JetExpression> arguments, StackValue receiver) {
+        JetCallExpression call = (JetCallExpression) element;
+        ResolvedCall<? extends CallableDescriptor> resolvedCall = codegen.getBindingContext().get(BindingContext.RESOLVED_CALL, call.getCalleeExpression());
+        CallableDescriptor resultingDescriptor = resolvedCall.getResultingDescriptor();
+        Type type = codegen.getTypeMapper().mapType(resultingDescriptor.getReturnType().getArguments().get(0).getType());
+        v.aconst(type);
+        return StackValue.onStack(type);
+    }
+}

compiler/frontend.java/src/org/jetbrains/jet/lang/resolve/java/JavaDescriptorResolver.java

@@ -34,7 +34,7 @@ import org.jetbrains.jet.lang.descriptors.annotations.AnnotationDescriptor;
 import org.jetbrains.jet.lang.resolve.BindingContext;
 import org.jetbrains.jet.lang.resolve.DescriptorUtils;
 import org.jetbrains.jet.lang.resolve.OverrideResolver;
-import org.jetbrains.jet.lang.resolve.constants.CompileTimeConstant;
+import org.jetbrains.jet.lang.resolve.constants.*;
 import org.jetbrains.jet.lang.resolve.java.alt.AltClassFinder;
 import org.jetbrains.jet.lang.resolve.java.kt.JetClassAnnotation;
 import org.jetbrains.jet.lang.types.*;
@@ -1425,7 +1425,14 @@ public class JavaDescriptorResolver {
             return null;
         }
         annotation.setAnnotationType(clazz.getDefaultType());
-        annotation.setValueArguments(new ArrayList<CompileTimeConstant<?>>()); // TODO
+        ArrayList<CompileTimeConstant<?>> valueArguments = new ArrayList<CompileTimeConstant<?>>();
+        if("jet.runtime.Intrinsic".equals(psiAnnotation.getQualifiedName())) {
+            // temporary hack
+            valueArguments.add(new StringValue(psiAnnotation.findAttributeValue("value").getText()));
+            annotation.setValueArguments(valueArguments); // TODO
+        }
+        else
+            annotation.setValueArguments(valueArguments); // TODO
         return annotation;
     }
 

compiler/testData/codegen/regressions/kt715.kt

@@ -2,7 +2,10 @@ import std.*
 
 val test = "lala".javaClass
 
+val test2 = javaClass<Iterator<Int>> ()
+
 fun box(): String {
     if(test.getCanonicalName() != "java.lang.String") return "fail"
+    if(test2.getCanonicalName() != "jet.Iterator") return "fail"
     return "OK"
 }

stdlib/ktSrc/JavaLang.kt

@@ -5,7 +5,7 @@ import java.lang.Object
 
 import jet.runtime.Intrinsic
 
-val <T> T.javaClass : Class<T>
+val <out T> T.javaClass : Class<T>
     [Intrinsic("std.javaClass.property")] get() = (this as java.lang.Object).getClass() as Class<T>
 
-[Intrinsic("std.javaClass.function")] fun <T> javaClass() : Class<T> = null as Class<T>
+[Intrinsic("std.javaClass.function")] fun <out T> javaClass() : Class<T> = null as Class<T>