Improve java2dart code style - relax 'don't reference variable name in its initializer'.

pkg/analyzer_experimental/test/generated/test_support.dart

 // This code was auto-generated, is not intended to be edited, and is subject to
 // significant change. Please see the README file for more information.
 library engine.test_support;
 import 'dart:collection';
 import 'package:analyzer_experimental/src/generated/java_core.dart';
 import 'package:analyzer_experimental/src/generated/java_engine.dart';
 import 'package:analyzer_experimental/src/generated/java_junit.dart';
 import 'package:analyzer_experimental/src/generated/source.dart';
 import 'package:analyzer_experimental/src/generated/error.dart';
 import 'package:analyzer_experimental/src/generated/scanner.dart';
@@ skipping 298 matching lines @@
    * is ignored.
    * @param errorCodes the errors that should have been gathered
    * @throws AssertionFailedError with
    */
   void fail(List<AnalysisError> expectedErrors) {
     PrintStringWriter writer = new PrintStringWriter();
     writer.print("Expected ");
     writer.print(expectedErrors.length);
     writer.print(" errors:");
     for (AnalysisError error in expectedErrors) {
-      Source source2 = error.source;
-      LineInfo lineInfo = _lineInfoMap[source2];
+      Source source = error.source;
+      LineInfo lineInfo = _lineInfoMap[source];
       writer.newLine();
       if (lineInfo == null) {
-        int offset2 = error.offset;
-        writer.printf("  %s %s (%d..%d)", [source2 == null ? "" : source2.shortName, error.errorCode, offset2, offset2 + error.length]);
+        int offset = error.offset;
+        writer.printf("  %s %s (%d..%d)", [source == null ? "" : source.shortName, error.errorCode, offset, offset + error.length]);
       } else {
         LineInfo_Location location = lineInfo.getLocation(error.offset);
-        writer.printf("  %s %s (%d, %d/%d)", [source2 == null ? "" : source2.shortName, error.errorCode, location.lineNumber, location.columnNumber, error.length]);
+        writer.printf("  %s %s (%d, %d/%d)", [source == null ? "" : source.shortName, error.errorCode, location.lineNumber, location.columnNumber, error.length]);
       }
     }
     writer.newLine();
     writer.print("found ");
     writer.print(_errors.length);
     writer.print(" errors:");
     for (AnalysisError error in _errors) {
-      Source source3 = error.source;
-      LineInfo lineInfo = _lineInfoMap[source3];
+      Source source = error.source;
+      LineInfo lineInfo = _lineInfoMap[source];
       writer.newLine();
       if (lineInfo == null) {
-        int offset3 = error.offset;
-        writer.printf("  %s %s (%d..%d): %s", [source3 == null ? "" : source3.shortName, error.errorCode, offset3, offset3 + error.length, error.message]);
+        int offset = error.offset;
+        writer.printf("  %s %s (%d..%d): %s", [source == null ? "" : source.shortName, error.errorCode, offset, offset + error.length, error.message]);
       } else {
         LineInfo_Location location = lineInfo.getLocation(error.offset);
-        writer.printf("  %s %s (%d, %d/%d): %s", [source3 == null ? "" : source3.shortName, error.errorCode, location.lineNumber, location.columnNumber, error.length, error.message]);
+        writer.printf("  %s %s (%d, %d/%d): %s", [source == null ? "" : source.shortName, error.errorCode, location.lineNumber, location.columnNumber, error.length, error.message]);
       }
     }
     JUnitTestCase.fail(writer.toString());
   }
 
   /**
    * Search through the given list of errors for an error that is equal to the target error. If one
    * is found, remove it from the list and return {@code true}, otherwise return {@code false}without modifying the list.
    * @param errors the errors through which we are searching
    * @param targetError the error being searched for
@@ skipping 431 matching lines @@
         return trampoline(target, arguments[0], arguments[1]);
       case 3:
         return trampoline(target, arguments[0], arguments[1], arguments[2]);
       case 4:
         return trampoline(target, arguments[0], arguments[1], arguments[2], arguments[3]);
       default:
         throw new IllegalArgumentException("Not implemented for > 4 arguments");
     }
   }
 }