Rename fletch -> dartino

pkg/fletchc/lib/debug_state.dart

-// Copyright (c) 2015, the Dartino 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.md file.
-
-library fletch.debug_state;
-
-import 'bytecodes.dart';
-import 'fletch_system.dart';
-import 'incremental/fletchc_incremental.dart';
-import 'vm_session.dart';
-import 'src/debug_info.dart';
-import 'src/class_debug_info.dart';
-
-import 'vm_commands.dart' show
-    DartValue,
-    InstanceStructure;
-
-import 'src/hub/session_manager.dart' show
-    SessionState;
-
-part 'back_trace.dart';
-
-/// A representation of a remote object.
-abstract class RemoteObject {
-  String name;
-
-  RemoteObject(this.name);
-}
-
-/// A representation of a remote instance.
-class RemoteInstance extends RemoteObject {
-  /// An [InstanceStructure] describing the remote instance.
-  final InstanceStructure instance;
-
-  /// The fields as [DartValue]s of the remote instance.
-  final List<DartValue> fields;
-
-  RemoteInstance(this.instance, this.fields, {String name}) : super(name);
-}
-
-/// A representation of a remote primitive value (i.e. used for non-instances).
-class RemoteValue extends RemoteObject {
-  /// A [DartValue] describing the remote object.
-  final DartValue value;
-
-  RemoteValue(this.value, {String name}) : super(name);
-}
-
-class Breakpoint {
-  final String methodName;
-  final int bytecodeIndex;
-  final int id;
-  Breakpoint(this.methodName, this.bytecodeIndex, this.id);
-  String toString() => "id: '$id' method: '$methodName' "
-      "bytecode index: '$bytecodeIndex'";
-}
-
-class DebugState {
-  final Session session;
-
-  final Map<int, Breakpoint> breakpoints = <int, Breakpoint>{};
-  final Map<FletchFunction, DebugInfo> debugInfos =
-      <FletchFunction, DebugInfo>{};
-  final Map<FletchClass, ClassDebugInfo> classDebugInfos =
-      <FletchClass, ClassDebugInfo>{};
-
-  bool showInternalFrames = false;
-  bool verbose = true;
-  BackTraceFrame _topFrame;
-  RemoteObject currentUncaughtException;
-  BackTrace _currentBackTrace;
-  int currentFrame = 0;
-  SourceLocation _currentLocation;
-
-  DebugState(this.session);
-
-  void reset() {
-    _topFrame = null;
-    currentUncaughtException = null;
-    _currentBackTrace = null;
-    _currentLocation = null;
-    currentFrame = 0;
-  }
-
-  int get actualCurrentFrameNumber {
-    return currentBackTrace.actualFrameNumber(currentFrame);
-  }
-
-  ScopeInfo get currentScopeInfo {
-    return currentBackTrace.scopeInfo(currentFrame);
-  }
-
-  SourceLocation get currentLocation => _currentLocation;
-
-  BackTrace get currentBackTrace => _currentBackTrace;
-
-  void set currentBackTrace(BackTrace backTrace) {
-    _currentLocation = backTrace.sourceLocation();
-    _topFrame = backTrace.frames[0];
-    _currentBackTrace = backTrace;
-  }
-
-  BackTraceFrame get topFrame => _topFrame;
-
-  void set topFrame(BackTraceFrame frame) {
-    _currentLocation = frame.sourceLocation();
-    _topFrame = frame;
-  }
-
-  DebugInfo getDebugInfo(FletchFunction function) {
-    return debugInfos.putIfAbsent(function, () {
-      return session.compiler.createDebugInfo(function, session.fletchSystem);
-    });
-  }
-
-  ClassDebugInfo getClassDebugInfo(FletchClass klass) {
-    return classDebugInfos.putIfAbsent(klass, () {
-      return session.compiler.createClassDebugInfo(klass);
-    });
-  }
-
-  String lookupFieldName(FletchClass klass, int field) {
-    while (field < klass.superclassFields) {
-      klass = session.fletchSystem.lookupClassById(klass.superclassId);
-    }
-    return getClassDebugInfo(klass).fieldNames[field - klass.superclassFields];
-  }
-
-  bool atLocation(SourceLocation previous) {
-    return (!topFrame.isVisible ||
-            currentLocation == null ||
-            currentLocation.isSameSourceLevelLocationAs(previous) ||
-            currentLocation.node == null);
-  }
-
-  SourceLocation sourceLocationForFrame(int frame) {
-    return currentBackTrace.frames[frame].sourceLocation();
-  }
-}