Extracted DeclarationDescriptorComparator from DecompiledDataFactory.

idea/src/org/jetbrains/jet/plugin/libraries/DeclarationDescriptorComparator.java

+/*
+ * 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.plugin.libraries;
+
+import org.jetbrains.jet.lang.descriptors.*;
+import org.jetbrains.jet.lang.resolve.scopes.receivers.ReceiverDescriptor;
+import org.jetbrains.jet.resolve.DescriptorRenderer;
+
+import java.util.Comparator;
+
+/**
+* @author Evgeny Gerashchenko
+* @since 4/8/12
+*/
+class DeclarationDescriptorComparator implements Comparator<DeclarationDescriptor> {
+    private static int getDeclarationPriority(DeclarationDescriptor descriptor) {
+        if (descriptor instanceof ClassDescriptor) {
+            return 4;
+        } else if (descriptor instanceof PropertyDescriptor) {
+            return 3;
+        } else if (descriptor instanceof FunctionDescriptor) {
+            FunctionDescriptor fun = (FunctionDescriptor)descriptor;
+            if (fun.getReceiverParameter() == ReceiverDescriptor.NO_RECEIVER) {
+                return 2;
+            } else {
+                return 1;
+            }
+        }
+        return 0;
+    }
+
+    @Override
+    public int compare(DeclarationDescriptor o1, DeclarationDescriptor o2) {
+        int prioritiesCompareTo = getDeclarationPriority(o2) - getDeclarationPriority(o1);
+        if (prioritiesCompareTo != 0) {
+            return prioritiesCompareTo;
+        }
+
+        int namesCompareTo = o1.getName().compareTo(o2.getName());
+        if (namesCompareTo != 0) {
+            return namesCompareTo;
+        }
+
+        if (!(o1 instanceof CallableDescriptor) || !(o2 instanceof CallableDescriptor)) {
+            assert false;
+        }
+
+        CallableDescriptor c1 = (CallableDescriptor)o1;
+        CallableDescriptor c2 = (CallableDescriptor)o2;
+
+        if (c1.getReceiverParameter() != ReceiverDescriptor.NO_RECEIVER && c2.getReceiverParameter() != ReceiverDescriptor.NO_RECEIVER) {
+            String r1 = DescriptorRenderer.TEXT.renderType(c1.getReceiverParameter().getType());
+            String r2 = DescriptorRenderer.TEXT.renderType(c2.getReceiverParameter().getType());
+            int receiversCompareTo = r1.compareTo(r2);
+            if (receiversCompareTo != 0) {
+                return receiversCompareTo;
+            }
+        }
+
+        for (int i = 0; i < Math.min(c1.getValueParameters().size(), c2.getValueParameters().size()); i++) {
+            String p1 = DescriptorRenderer.TEXT.renderType(c1.getValueParameters().get(i).getType());
+            String p2 = DescriptorRenderer.TEXT.renderType(c2.getValueParameters().get(i).getType());
+            int parametersCompareTo = p1.compareTo(p2);
+            if (parametersCompareTo != 0) {
+                return parametersCompareTo;
+            }
+        }
+
+        return c1.getValueParameters().size() - c2.getValueParameters().size();
+    }
+}

idea/src/org/jetbrains/jet/plugin/libraries/DecompiledDataFactory.java

@@ -35,7 +35,6 @@ import org.jetbrains.jet.lang.resolve.FqName;
 import org.jetbrains.jet.lang.resolve.java.DescriptorSearchRule;
 import org.jetbrains.jet.lang.resolve.java.JavaDescriptorResolver;
 import org.jetbrains.jet.lang.resolve.java.JvmAbi;
-import org.jetbrains.jet.lang.resolve.scopes.receivers.ReceiverDescriptor;
 import org.jetbrains.jet.resolve.DescriptorRenderer;
 
 import java.util.*;
@@ -115,65 +114,9 @@ class DecompiledDataFactory {
         return new JetDecompiledData(jetFile, myClsElementsToJetElements);
     }
 
-    private static int getDeclarationPriority(DeclarationDescriptor descriptor) {
-        if (descriptor instanceof ClassDescriptor) {
-            return 4;
-        } else if (descriptor instanceof PropertyDescriptor) {
-            return 3;
-        } else if (descriptor instanceof FunctionDescriptor) {
-            FunctionDescriptor fun = (FunctionDescriptor)descriptor;
-            if (fun.getReceiverParameter() == ReceiverDescriptor.NO_RECEIVER) {
-                return 2;
-            } else {
-                return 1;
-            }
-        }
-        return 0;
-    }
-
     private static List<DeclarationDescriptor> sortDeclarations(Collection<DeclarationDescriptor> input) {
         ArrayList<DeclarationDescriptor> r = new ArrayList<DeclarationDescriptor>(input);
-        Collections.sort(r, new Comparator<DeclarationDescriptor>() {
-            @Override
-            public int compare(DeclarationDescriptor o1, DeclarationDescriptor o2) {
-                int prioritiesCompareTo = getDeclarationPriority(o2) - getDeclarationPriority(o1);
-                if (prioritiesCompareTo != 0) {
-                    return prioritiesCompareTo;
-                }
-
-                int namesCompareTo = o1.getName().compareTo(o2.getName());
-                if (namesCompareTo != 0) {
-                    return namesCompareTo;
-                }
-
-                if (!(o1 instanceof CallableDescriptor) || !(o2 instanceof CallableDescriptor)) {
-                    assert false;
-                }
-
-                CallableDescriptor c1 = (CallableDescriptor)o1;
-                CallableDescriptor c2 = (CallableDescriptor)o2;
-
-                if (c1.getReceiverParameter() != ReceiverDescriptor.NO_RECEIVER && c2.getReceiverParameter() != ReceiverDescriptor.NO_RECEIVER) {
-                    String r1 = DescriptorRenderer.TEXT.renderType(c1.getReceiverParameter().getType());
-                    String r2 = DescriptorRenderer.TEXT.renderType(c2.getReceiverParameter().getType());
-                    int receiversCompareTo = r1.compareTo(r2);
-                    if (receiversCompareTo != 0) {
-                        return receiversCompareTo;
-                    }
-                }
-
-                for (int i = 0; i < Math.min(c1.getValueParameters().size(), c2.getValueParameters().size()); i++) {
-                    String p1 = DescriptorRenderer.TEXT.renderType(c1.getValueParameters().get(i).getType());
-                    String p2 = DescriptorRenderer.TEXT.renderType(c2.getValueParameters().get(i).getType());
-                    int parametersCompareTo = p1.compareTo(p2);
-                    if (parametersCompareTo != 0) {
-                        return parametersCompareTo;
-                    }
-                }
-
-                return c1.getValueParameters().size() - c2.getValueParameters().size();
-            }
-        });
+        Collections.sort(r, new DeclarationDescriptorComparator());
         return r;
     }