Remove JavaPatternMatcher from java_core.

pkg/analyzer/test/generated/all_the_rest_test.dart

 // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library analyzer.test.generated.all_the_rest_test;
 
 import 'package:analyzer/dart/ast/ast.dart';
 import 'package:analyzer/dart/ast/token.dart';
 import 'package:analyzer/dart/element/element.dart';
 import 'package:analyzer/dart/element/type.dart';
 import 'package:analyzer/file_system/file_system.dart';
 import 'package:analyzer/file_system/memory_file_system.dart';
 import 'package:analyzer/file_system/physical_file_system.dart';
 import 'package:analyzer/src/dart/ast/ast.dart';
 import 'package:analyzer/src/dart/ast/utilities.dart' hide ConstantEvaluator;
 import 'package:analyzer/src/dart/element/builder.dart';
 import 'package:analyzer/src/dart/element/element.dart';
 import 'package:analyzer/src/dart/sdk/sdk.dart' hide SdkLibrariesReader;
 import 'package:analyzer/src/generated/engine.dart';
 import 'package:analyzer/src/generated/error.dart';
-import 'package:analyzer/src/generated/java_core.dart';
 import 'package:analyzer/src/generated/java_engine_io.dart';
 import 'package:analyzer/src/generated/java_io.dart';
 import 'package:analyzer/src/generated/resolver.dart';
 import 'package:analyzer/src/generated/sdk.dart';
 import 'package:analyzer/src/generated/sdk_io.dart';
 import 'package:analyzer/src/generated/source.dart';
 import 'package:analyzer/src/generated/source_io.dart';
 import 'package:analyzer/src/generated/testing/ast_factory.dart';
 import 'package:analyzer/src/generated/testing/element_factory.dart';
 import 'package:analyzer/src/generated/testing/test_type_provider.dart';
@@ skipping 3005 matching lines @@
     CompilationUnit cu = _resolveContents(code);
     int start = _getOffsetOfMatch(code, nodePattern, index);
     int end = start + nodePattern.length;
     return new NodeLocator(start, end).searchWithin(cu);
   }
 
   int _getOffsetOfMatch(String contents, String pattern, int matchIndex) {
     if (matchIndex == 0) {
       return contents.indexOf(pattern);
     }
-    JavaPatternMatcher matcher =
-        new JavaPatternMatcher(new RegExp(pattern), contents);
-    int count = 0;
-    while (matcher.find()) {
-      if (count == matchIndex) {
-        return matcher.start();
-      }
-      ++count;
-    }
-    return -1;
+    Iterable<Match> matches = new RegExp(pattern).allMatches(contents);
+    Match match = matches.toList()[matchIndex];
+    return match.start;
   }
 
   /**
    * Parse, resolve and verify the given source lines to produce a fully
    * resolved AST.
    *
    * [code] the code to resolve.
    *
    * Returns the result of resolving the AST structure representing the content
    * of the source.
@@ skipping 1489 matching lines @@
     expect(UriKind.fromEncoding(0x70), same(UriKind.PACKAGE_URI));
     expect(UriKind.fromEncoding(0x58), same(null));
   }
 
   void test_getEncoding() {
     expect(UriKind.DART_URI.encoding, 0x64);
     expect(UriKind.FILE_URI.encoding, 0x66);
     expect(UriKind.PACKAGE_URI.encoding, 0x70);
   }
 }