Analyzer CLI removal.

pkg/analyzer/lib/src/error_formatter.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_formatter;
-
-import 'package:analyzer/src/analyzer_impl.dart';
-
-import '../options.dart';
-import 'generated/engine.dart';
-import 'generated/error.dart';
-import 'generated/source_io.dart';
-
-/// Allows any [AnalysisError].
-bool _anyError(AnalysisError error) => true;
-
-/// Returns `true` if [AnalysisError] should be printed.
-typedef bool _ErrorFilter(AnalysisError error);
-
-/**
- * Helper for formatting [AnalysisError]s.
- * The two format options are a user consumable format and a machine consumable format.
- */
-class ErrorFormatter {
-  final StringSink out;
-  final CommandLineOptions options;
-  final _ErrorFilter errorFilter;
-
-  ErrorFormatter(this.out, this.options, [this.errorFilter = _anyError]);
-
-  void formatError(
-      Map<AnalysisError, LineInfo> errorToLine, AnalysisError error) {
-    Source source = error.source;
-    LineInfo_Location location = errorToLine[error].getLocation(error.offset);
-    int length = error.length;
-    ErrorSeverity severity =
-        AnalyzerImpl.computeSeverity(error, options.enableTypeChecks);
-    if (options.machineFormat) {
-      if (severity == ErrorSeverity.WARNING && options.warningsAreFatal) {
-        severity = ErrorSeverity.ERROR;
-      }
-      out.write(severity);
-      out.write('|');
-      out.write(error.errorCode.type);
-      out.write('|');
-      out.write(error.errorCode.name);
-      out.write('|');
-      out.write(escapePipe(source.fullName));
-      out.write('|');
-      out.write(location.lineNumber);
-      out.write('|');
-      out.write(location.columnNumber);
-      out.write('|');
-      out.write(length);
-      out.write('|');
-      out.write(escapePipe(error.message));
-    } else {
-      String errorType = severity.displayName;
-      if (error.errorCode.type == ErrorType.HINT ||
-          error.errorCode.type == ErrorType.LINT) {
-        errorType = error.errorCode.type.displayName;
-      }
-      // [warning] 'foo' is not a... (/Users/.../tmp/foo.dart, line 1, col 2)
-      out.write('[$errorType] ${error.message} ');
-      out.write('(${source.fullName}');
-      out.write(', line ${location.lineNumber}, col ${location.columnNumber})');
-    }
-    out.writeln();
-  }
-
-  void formatErrors(List<AnalysisErrorInfo> errorInfos) {
-    var errors = new List<AnalysisError>();
-    var errorToLine = new Map<AnalysisError, LineInfo>();
-    for (AnalysisErrorInfo errorInfo in errorInfos) {
-      for (AnalysisError error in errorInfo.errors) {
-        if (errorFilter(error)) {
-          errors.add(error);
-          errorToLine[error] = errorInfo.lineInfo;
-        }
-      }
-    }
-    // sort errors
-    errors.sort((AnalysisError error1, AnalysisError error2) {
-      // severity
-      ErrorSeverity severity1 =
-          AnalyzerImpl.computeSeverity(error1, options.enableTypeChecks);
-      ErrorSeverity severity2 =
-          AnalyzerImpl.computeSeverity(error2, options.enableTypeChecks);
-      int compare = severity2.compareTo(severity1);
-      if (compare != 0) {
-        return compare;
-      }
-      // path
-      compare = Comparable.compare(error1.source.fullName.toLowerCase(),
-          error2.source.fullName.toLowerCase());
-      if (compare != 0) {
-        return compare;
-      }
-      // offset
-      return error1.offset - error2.offset;
-    });
-    // format errors
-    int errorCount = 0;
-    int warnCount = 0;
-    int hintCount = 0;
-    int lintCount = 0;
-    for (AnalysisError error in errors) {
-      ErrorSeverity severity =
-          AnalyzerImpl.computeSeverity(error, options.enableTypeChecks);
-      if (severity == ErrorSeverity.ERROR) {
-        errorCount++;
-      } else if (severity == ErrorSeverity.WARNING) {
-        if (options.warningsAreFatal) {
-          errorCount++;
-        } else {
-          if (error.errorCode.type == ErrorType.HINT) {
-            hintCount++;
-          } else {
-            warnCount++;
-          }
-        }
-      } else if (error.errorCode.type == ErrorType.LINT) {
-        lintCount++;
-      }
-      formatError(errorToLine, error);
-    }
-    // print statistics
-    if (!options.machineFormat) {
-      var hasErrors = errorCount != 0;
-      var hasWarns = warnCount != 0;
-      var hasHints = hintCount != 0;
-      var hasLints = lintCount != 0;
-      bool hasContent = false;
-      if (hasErrors) {
-        out.write(errorCount);
-        out.write(' ');
-        out.write(pluralize("error", errorCount));
-        hasContent = true;
-      }
-      if (hasWarns) {
-        if (hasContent) {
-          if (!hasHints && !hasLints) {
-            out.write(' and ');
-          } else {
-            out.write(", ");
-          }
-        }
-        out.write(warnCount);
-        out.write(' ');
-        out.write(pluralize("warning", warnCount));
-        hasContent = true;
-      }
-      if (hasHints) {
-        if (hasContent) {
-          if (!hasLints) {
-            out.write(' and ');
-          } else {
-            out.write(", ");
-          }
-        }
-        out.write(hintCount);
-        out.write(' ');
-        out.write(pluralize("hint", hintCount));
-        hasContent = true;
-      }
-      if (hasLints) {
-        if (hasContent) {
-          out.write(" and ");
-        }
-        out.write(lintCount);
-        out.write(' ');
-        out.write(pluralize("lint", lintCount));
-        hasContent = true;
-      }
-      if (hasContent) {
-        out.writeln(" found.");
-      } else {
-        out.writeln("No issues found");
-      }
-    }
-  }
-
-  static String escapePipe(String input) {
-    var result = new StringBuffer();
-    for (var c in input.codeUnits) {
-      if (c == '\\' || c == '|') {
-        result.write('\\');
-      }
-      result.writeCharCode(c);
-    }
-    return result.toString();
-  }
-
-  static String pluralize(String word, int count) {
-    if (count == 1) {
-      return word;
-    } else {
-      return word + "s";
-    }
-  }
-}