Store the async-await compiled pub code directly in the repo.

sdk/lib/_internal/pub_generated/lib/src/log.dart

+library pub.log;
+import 'dart:async';
+import 'dart:convert';
+import 'dart:io';
+import 'package:path/path.dart' as p;
+import 'package:source_span/source_span.dart';
+import 'package:stack_trace/stack_trace.dart';
+import 'exceptions.dart';
+import 'io.dart';
+import 'progress.dart';
+import 'transcript.dart';
+import 'utils.dart';
+final json = new _JsonLogger();
+Verbosity verbosity = Verbosity.NORMAL;
+bool withPrejudice = false;
+const _MAX_TRANSCRIPT = 10000;
+Transcript<Entry> _transcript;
+final _progresses = new Set<Progress>();
+Progress _animatedProgress;
+final _cyan = getSpecial('\u001b[36m');
+final _green = getSpecial('\u001b[32m');
+final _magenta = getSpecial('\u001b[35m');
+final _red = getSpecial('\u001b[31m');
+final _yellow = getSpecial('\u001b[33m');
+final _gray = getSpecial('\u001b[1;30m');
+final _none = getSpecial('\u001b[0m');
+final _noColor = getSpecial('\u001b[39m');
+final _bold = getSpecial('\u001b[1m');
+class Level {
+  static const ERROR = const Level._("ERR ");
+  static const WARNING = const Level._("WARN");
+  static const MESSAGE = const Level._("MSG ");
+  static const IO = const Level._("IO  ");
+  static const SOLVER = const Level._("SLVR");
+  static const FINE = const Level._("FINE");
+  const Level._(this.name);
+  final String name;
+  String toString() => name;
+}
+typedef _LogFn(Entry entry);
+class Verbosity {
+  static const NONE = const Verbosity._("none", const {
+    Level.ERROR: null,
+    Level.WARNING: null,
+    Level.MESSAGE: null,
+    Level.IO: null,
+    Level.SOLVER: null,
+    Level.FINE: null
+  });
+  static const WARNING = const Verbosity._("warning", const {
+    Level.ERROR: _logToStderr,
+    Level.WARNING: _logToStderr,
+    Level.MESSAGE: null,
+    Level.IO: null,
+    Level.SOLVER: null,
+    Level.FINE: null
+  });
+  static const NORMAL = const Verbosity._("normal", const {
+    Level.ERROR: _logToStderr,
+    Level.WARNING: _logToStderr,
+    Level.MESSAGE: _logToStdout,
+    Level.IO: null,
+    Level.SOLVER: null,
+    Level.FINE: null
+  });
+  static const IO = const Verbosity._("io", const {
+    Level.ERROR: _logToStderrWithLabel,
+    Level.WARNING: _logToStderrWithLabel,
+    Level.MESSAGE: _logToStdoutWithLabel,
+    Level.IO: _logToStderrWithLabel,
+    Level.SOLVER: null,
+    Level.FINE: null
+  });
+  static const SOLVER = const Verbosity._("solver", const {
+    Level.ERROR: _logToStderr,
+    Level.WARNING: _logToStderr,
+    Level.MESSAGE: _logToStdout,
+    Level.IO: null,
+    Level.SOLVER: _logToStdout,
+    Level.FINE: null
+  });
+  static const ALL = const Verbosity._("all", const {
+    Level.ERROR: _logToStderrWithLabel,
+    Level.WARNING: _logToStderrWithLabel,
+    Level.MESSAGE: _logToStdoutWithLabel,
+    Level.IO: _logToStderrWithLabel,
+    Level.SOLVER: _logToStderrWithLabel,
+    Level.FINE: _logToStderrWithLabel
+  });
+  const Verbosity._(this.name, this._loggers);
+  final String name;
+  final Map<Level, _LogFn> _loggers;
+  bool isLevelVisible(Level level) => _loggers[level] != null;
+  String toString() => name;
+}
+class Entry {
+  final Level level;
+  final List<String> lines;
+  Entry(this.level, this.lines);
+}
+void error(message, [error]) {
+  if (error != null) {
+    message = "$message: $error";
+    var trace;
+    if (error is Error) trace = error.stackTrace;
+    if (trace != null) {
+      message = "$message\nStackTrace: $trace";
+    }
+  }
+  write(Level.ERROR, message);
+}
+void warning(message) => write(Level.WARNING, message);
+void message(message) => write(Level.MESSAGE, message);
+void io(message) => write(Level.IO, message);
+void solver(message) => write(Level.SOLVER, message);
+void fine(message) => write(Level.FINE, message);
+void write(Level level, message) {
+  message = message.toString();
+  var lines = splitLines(message);
+  if (lines.isNotEmpty && lines.last == "") {
+    lines.removeLast();
+  }
+  var entry = new Entry(level, lines.map(format).toList());
+  var logFn = verbosity._loggers[level];
+  if (logFn != null) logFn(entry);
+  if (_transcript != null) _transcript.add(entry);
+}
+final _capitalizedAnsiEscape = new RegExp(r'\u001b\[\d+(;\d+)?M');
+String format(String string) {
+  if (!withPrejudice) return string;
+  string = string.toUpperCase().replaceAllMapped(
+      _capitalizedAnsiEscape,
+      (match) => match[0].toLowerCase());
+  return "$_bold$string$_none";
+}
+Future ioAsync(String startMessage, Future operation, [String
+    endMessage(value)]) {
+  if (endMessage == null) {
+    io("Begin $startMessage.");
+  } else {
+    io(startMessage);
+  }
+  return operation.then((result) {
+    if (endMessage == null) {
+      io("End $startMessage.");
+    } else {
+      io(endMessage(result));
+    }
+    return result;
+  });
+}
+void process(String executable, List<String> arguments, String workingDirectory)
+    {
+  io(
+      "Spawning \"$executable ${arguments.join(' ')}\" in "
+          "${p.absolute(workingDirectory)}");
+}
+void processResult(String executable, PubProcessResult result) {
+  var buffer = new StringBuffer();
+  buffer.writeln("Finished $executable. Exit code ${result.exitCode}.");
+  dumpOutput(String name, List<String> output) {
+    if (output.length == 0) {
+      buffer.writeln("Nothing output on $name.");
+    } else {
+      buffer.writeln("$name:");
+      var numLines = 0;
+      for (var line in output) {
+        if (++numLines > 1000) {
+          buffer.writeln(
+              '[${output.length - 1000}] more lines of output ' 'truncated...]');
+          break;
+        }
+        buffer.writeln("| $line");
+      }
+    }
+  }
+  dumpOutput("stdout", result.stdout);
+  dumpOutput("stderr", result.stderr);
+  io(buffer.toString().trim());
+}
+void exception(exception, [StackTrace trace]) {
+  if (exception is SilentException) return;
+  var chain = trace == null ? new Chain.current() : new Chain.forTrace(trace);
+  if (exception is SourceSpanException) {
+    error(exception.toString(color: canUseSpecialChars));
+  } else {
+    error(getErrorMessage(exception));
+  }
+  fine("Exception type: ${exception.runtimeType}");
+  if (json.enabled) {
+    if (exception is UsageException) {
+      json.error(exception.message);
+    } else {
+      json.error(exception);
+    }
+  }
+  if (!isUserFacingException(exception)) {
+    error(chain.terse);
+  } else {
+    fine(chain.terse);
+  }
+  if (exception is WrappedException && exception.innerError != null) {
+    var message = "Wrapped exception: ${exception.innerError}";
+    if (exception.innerChain != null) {
+      message = "$message\n${exception.innerChain}";
+    }
+    fine(message);
+  }
+}
+void recordTranscript() {
+  _transcript = new Transcript<Entry>(_MAX_TRANSCRIPT);
+}
+void dumpTranscript() {
+  if (_transcript == null) return;
+  stderr.writeln('---- Log transcript ----');
+  _transcript.forEach((entry) {
+    _printToStream(stderr, entry, showLabel: true);
+  }, (discarded) {
+    stderr.writeln('---- ($discarded discarded) ----');
+  });
+  stderr.writeln('---- End log transcript ----');
+}
+Future progress(String message, Future callback(), {bool fine: false}) {
+  _stopProgress();
+  var progress = new Progress(message, fine: fine);
+  _animatedProgress = progress;
+  _progresses.add(progress);
+  return callback().whenComplete(() {
+    progress.stop();
+    _progresses.remove(progress);
+  });
+}
+void _stopProgress() {
+  if (_animatedProgress != null) _animatedProgress.stopAnimating();
+  _animatedProgress = null;
+}
+String bold(text) => withPrejudice ? text : "$_bold$text$_none";
+String gray(text) =>
+    withPrejudice ? "$_gray$text$_noColor" : "$_gray$text$_none";
+String cyan(text) => "$_cyan$text$_noColor";
+String green(text) => "$_green$text$_noColor";
+String magenta(text) => "$_magenta$text$_noColor";
+String red(text) => "$_red$text$_noColor";
+String yellow(text) => "$_yellow$text$_noColor";
+void _logToStdout(Entry entry) {
+  _logToStream(stdout, entry, showLabel: false);
+}
+void _logToStdoutWithLabel(Entry entry) {
+  _logToStream(stdout, entry, showLabel: true);
+}
+void _logToStderr(Entry entry) {
+  _logToStream(stderr, entry, showLabel: false);
+}
+void _logToStderrWithLabel(Entry entry) {
+  _logToStream(stderr, entry, showLabel: true);
+}
+void _logToStream(IOSink sink, Entry entry, {bool showLabel}) {
+  if (json.enabled) return;
+  _printToStream(sink, entry, showLabel: showLabel);
+}
+void _printToStream(IOSink sink, Entry entry, {bool showLabel}) {
+  _stopProgress();
+  bool firstLine = true;
+  for (var line in entry.lines) {
+    if (showLabel) {
+      if (firstLine) {
+        sink.write('${entry.level.name}: ');
+      } else {
+        sink.write('    | ');
+      }
+    }
+    sink.writeln(line);
+    firstLine = false;
+  }
+}
+class _JsonLogger {
+  bool enabled = false;
+  void error(error, [stackTrace]) {
+    var errorJson = {
+      "error": error.toString()
+    };
+    if (stackTrace == null && error is Error) stackTrace = error.stackTrace;
+    if (stackTrace != null) {
+      errorJson["stackTrace"] = new Chain.forTrace(stackTrace).toString();
+    }
+    if (error is SourceSpanException && error.span.sourceUrl != null) {
+      errorJson["path"] = p.fromUri(error.span.sourceUrl);
+    }
+    if (error is FileException) {
+      errorJson["path"] = error.path;
+    }
+    this.message(errorJson);
+  }
+  void message(message) {
+    if (!enabled) return;
+    print(JSON.encode(message));
+  }
+}