Rename analyzer_experimental to analyzer.

pkg/analyzer_experimental/lib/src/error.dart

-// Copyright (c) 2013, 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 error;
-
-import 'dart:collection';
-import 'dart:math' as math;
-
-import 'generated/error.dart';
-import 'generated/java_core.dart';
-import 'generated/source.dart';
-
-/// The maximum line length when printing extracted source code when converting
-/// an [AnalyzerError] to a string.
-final _MAX_ERROR_LINE_LENGTH = 120;
-
-/// An error class that collects multiple [AnalyzerError]s that are emitted
-/// during a single analysis.
-class AnalyzerErrorGroup implements Exception {
-  /// The errors in this collection.
-  List<AnalyzerError> get errors =>
-    new UnmodifiableListView<AnalyzerError>(_errors);
-  final List<AnalyzerError> _errors;
-
-  AnalyzerErrorGroup(Iterable<AnalyzerError> errors)
-      : _errors = errors.toList();
-
-  /// Creates an [AnalyzerErrorGroup] from a list of lower-level
-  /// [AnalysisError]s.
-  AnalyzerErrorGroup.fromAnalysisErrors(Iterable<AnalysisError> errors)
-      : this(errors.map((e) => new AnalyzerError(e)));
-
-  String get message => toString();
-  String toString() => errors.join("\n");
-}
-
-/// A wrapper around [AnalysisError] that provides a more user-friendly string
-/// representation.
-class AnalyzerError implements Exception {
-  final AnalysisError error;
-
-  AnalyzerError(this.error);
-
-  String get message => toString();
-
-  String toString() {
-    var builder = new StringBuffer();
-    var receiver = new _ContentReceiver();
-    error.source.getContents(receiver);
-    var beforeError = receiver.result.substring(0, error.offset);
-    var lineNumber = "\n".allMatches(beforeError).length + 1;
-    builder.writeln("Error on line $lineNumber of ${error.source.fullName}: "
-        "${error.message}");
-
-    var errorLineIndex = beforeError.lastIndexOf("\n") + 1;
-    var errorEndOfLineIndex = receiver.result.indexOf("\n", error.offset);
-    if (errorEndOfLineIndex == -1) errorEndOfLineIndex = receiver.result.length;
-    var errorLine = receiver.result.substring(
-        errorLineIndex, errorEndOfLineIndex);
-    var errorColumn = error.offset - errorLineIndex;
-    var errorLength = error.length;
-
-    // Ensure that the error line we display isn't too long.
-    if (errorLine.length > _MAX_ERROR_LINE_LENGTH) {
-      var leftLength = errorColumn;
-      var rightLength = errorLine.length - leftLength;
-      if (leftLength > _MAX_ERROR_LINE_LENGTH ~/ 2 &&
-          rightLength > _MAX_ERROR_LINE_LENGTH ~/ 2) {
-        errorLine = "..." + errorLine.substring(
-            errorColumn - _MAX_ERROR_LINE_LENGTH ~/ 2 + 3,
-            errorColumn + _MAX_ERROR_LINE_LENGTH ~/ 2 - 3)
-            + "...";
-        errorColumn = _MAX_ERROR_LINE_LENGTH ~/ 2;
-      } else if (rightLength > _MAX_ERROR_LINE_LENGTH ~/ 2) {
-        errorLine = errorLine.substring(0, _MAX_ERROR_LINE_LENGTH - 3) + "...";
-      } else {
-        assert(leftLength > _MAX_ERROR_LINE_LENGTH ~/ 2);
-        errorColumn -= errorLine.length - _MAX_ERROR_LINE_LENGTH;
-        errorLine = "..." + errorLine.substring(
-            errorLine.length - _MAX_ERROR_LINE_LENGTH + 3, errorLine.length);
-      }
-      errorLength = math.min(errorLength, _MAX_ERROR_LINE_LENGTH - errorColumn);
-    }
-    builder.writeln(errorLine);
-
-    for (var i = 0; i < errorColumn; i++) builder.write(" ");
-    for (var i = 0; i < errorLength; i++) builder.write("^");
-    builder.writeln();
-
-    return builder.toString();
-  }
-}
-
-// A content receiver that collects all the content into a string.
-class _ContentReceiver implements Source_ContentReceiver {
-  final _buffer = new StringBuffer();
-
-  String get result => _buffer.toString();
-
-  void accept(CharBuffer contents, _) =>
-    _buffer.write(contents.subSequence(0, contents.length()));
-
-  void accept2(String contents, _) => _buffer.write(contents);
-}