added InferenceErrorData class

to provide information to renderers about type inference errors

compiler/frontend/src/org/jetbrains/jet/lang/resolve/calls/inference/InferenceErrorData.java

@@ -0,0 +1,53 @@
+/*
+ * Copyright 2010-2012 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.lang.resolve.calls.inference;
+
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+import org.jetbrains.jet.lang.descriptors.CallableDescriptor;
+import org.jetbrains.jet.lang.descriptors.TypeParameterDescriptor;
+import org.jetbrains.jet.lang.types.JetType;
+
+import java.util.List;
+import java.util.Map;
+
+/**
+ * @author svtk
+ */
+public class InferenceErrorData {
+    public final CallableDescriptor descriptor;
+    public final ConstraintSystem constraintSystem;
+    public final JetType receiverArgumentType;
+    public final List<JetType> valueArgumentsTypes;
+
+    private InferenceErrorData(@NotNull CallableDescriptor descriptor, @NotNull ConstraintSystem constraintSystem,
+            @Nullable List<JetType> valueArgumentsTypes, @Nullable JetType receiverArgumentType) {
+        this.descriptor = descriptor;
+        this.constraintSystem = constraintSystem;
+        this.receiverArgumentType = receiverArgumentType;
+        this.valueArgumentsTypes = valueArgumentsTypes;
+    }
+
+    public static InferenceErrorData create(@NotNull CallableDescriptor descriptor, @NotNull ConstraintSystem constraintSystem,
+            @NotNull List<JetType> valueArgumentsTypes, @Nullable JetType receiverArgumentType) {
+        return new InferenceErrorData(descriptor, constraintSystem, valueArgumentsTypes, receiverArgumentType);
+    }
+
+    public static InferenceErrorData create(@NotNull CallableDescriptor descriptor, @NotNull ConstraintSystem constraintSystem) {
+        return new InferenceErrorData(descriptor, constraintSystem, null, null);
+    }
+}