Exemplo n.º 1
0
        private Value DoGetValue(LiveStackFrame frame)
        {
            Value result = null;

            // First try locals.
            LocalVariable[] locals = frame.Method.GetLocals();
            LocalVariable local = locals.FirstOrDefault(l => l.Name == m_name);
            if (local != null)
            {
                result = frame.GetValue(local);
            }

            // Then parameters.
            ParameterInfoMirror parm = frame.Method.GetParameters().FirstOrDefault(p => p.Name == m_name);
            if (parm != null)
            {
                result = frame.GetValue(parm);
            }

            // And finally fields and properties.
            if (result == null)
            {
                Value thisPtr = frame.ThisPtr;
                result = EvalMember.Evaluate(frame.Thread, thisPtr, m_name);
            }

            if (result == null)
                throw new Exception("Couldn't find a local, argument, field, or property named " + m_name);

            return result;
        }
Exemplo n.º 2
0
 public override ExtendedValue Evaluate(LiveStackFrame frame)
 {
     bool lhs = m_lhs.Evaluate(frame).Get<bool>();
     bool rhs = m_rhs.Evaluate(frame).Get<bool>();
     bool result = DoEvaluate(lhs, rhs);
     return new ExtendedValue(frame.VirtualMachine.CreateValue(result));
 }
Exemplo n.º 3
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        public override ExtendedValue Evaluate(LiveStackFrame frame)
        {
            ExtendedValue result = m_identifier.Evaluate(frame);

            foreach (PostfixOperator op in m_suffixes)
            {
                op.Target = result;
                result = op.Evaluate(frame);
            }

            return result;
        }
Exemplo n.º 4
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        public static VariableItem GetChild(ThreadMirror thread, VariableItem parentItem, LiveStackFrame parent, int index)
        {
            VariableItem child;

            IList<LocalVariable> locals = parent.GetVisibleVariables();
            if (index < locals.Count)
            {
                LocalVariable local = locals[index];

                string name = local.Name;
                if (string.IsNullOrEmpty(name))
                    name = "$" + local.Index;			// temporary variable

                Value v = parent.GetValue(local);
                child = new VariableItem(thread, name, parentItem, local, v, index);
            }
            else
            {
                FieldInfoMirror[] fields = parent.Method.DeclaringType.GetAllFields().ToArray();
                Contract.Assert(fields.Length > 0);

                object v = null;
                string name = "this";
                if (parent.ThisPtr is ObjectMirror)
                {
                    v = new InstanceValue((ObjectMirror) parent.ThisPtr, fields);
                }
                else if (parent.ThisPtr is StructMirror)
                {
                    v = new InstanceValue((StructMirror) parent.ThisPtr, fields);
                }
                else if (parent.ThisPtr == null || parent.ThisPtr.IsNull())
                {
                    v = new TypeValue(parent.Method.DeclaringType);
                    name = "statics";
                }
                else
                {
                    Contract.Assert(false, parent.ThisPtr.TypeName() + " is bogus");
                }

                child = new VariableItem(thread, name, parentItem, index, v, index);
            }

            return child;
        }
Exemplo n.º 5
0
        public override ExtendedValue Evaluate(LiveStackFrame frame)
        {
            ExtendedValue result;
            if (Target.Value is ObjectMirror || Target.Value is StructMirror)
            {
                Value value = EvalMember.Evaluate(frame.Thread, Target.Value, m_memberName);
                if (value != null)
                    result = new ExtendedValue(value);
                else if (Target.Value is ObjectMirror)
                    throw new Exception(string.Format("Couldn't find a field or property for {0}.{1}", ((ObjectMirror) Target.Value).Type.FullName, m_memberName));
                else
                    throw new Exception(string.Format("Couldn't find a field or property for {0}.{1}", ((StructMirror) Target.Value).Type.FullName, m_memberName));
            }
            else
            {
                throw new Exception("Member access target should be an object, struct, or type name, not a " + Target.Value.GetType());
            }

            return result;
        }
Exemplo n.º 6
0
 public static TypeMirror GetType(LiveStackFrame parent, int key)
 {
     return parent.Method.DeclaringType;
 }
Exemplo n.º 7
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 public override ExtendedValue Evaluate(LiveStackFrame frame)
 {
     return new ExtendedValue(frame.Thread.Domain.CreateString(m_value));
 }
Exemplo n.º 8
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 public static void Set(ThreadMirror thread, VariableItem item, LiveStackFrame parent, LocalVariable key, Value newValue)
 {
     parent.SetValue(key, newValue);
 }
Exemplo n.º 9
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 public static void Set(ThreadMirror thread, VariableItem item, LiveStackFrame parent, int key, Value newValue)
 {
     LocalVariable local = parent.GetVisibleVariables()[key];
     parent.SetValue(local, newValue);
 }
Exemplo n.º 10
0
        private void DoReset(LiveStackFrame frame)
        {
            m_nameTable.Clear();

            if (frame != null && m_item != null && ((LiveStackFrame) m_item.Value) == frame)
            {
                m_frame = frame;
                m_item.RefreshValue(m_frame.Thread, frame);
            }
            else
            {
                if (m_item != null)
                {
                    m_item.release();
                    m_item = null;
                }

                if (frame != null)
                {
                    m_frame = frame;
                    m_item = new VariableItem(m_frame.Thread, frame);
                }
                else
                {
                    m_frame = null;
                }
            }

            if (m_frame != null)
                DoLoadNameTable(m_frame.Thread, m_item);

            m_table.reloadData();
        }
Exemplo n.º 11
0
 public override ExtendedValue Evaluate(LiveStackFrame frame)
 {
     Value value = DoGetValue(frame);
     return new ExtendedValue(value);
 }
Exemplo n.º 12
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 public override ExtendedValue Evaluate(LiveStackFrame frame)
 {
     if (Target.Value is ArrayMirror)
     {
         var array = (ArrayMirror) Target.Value;
         Value value = array[m_index];
         return new ExtendedValue(value);
     }
     else if (Target.Value is StringMirror)
     {
         var str = (StringMirror) Target.Value;
         Value value = frame.VirtualMachine.CreateValue(str.Value[m_index]);
         return new ExtendedValue(value);
     }
     else
     {
         throw new Exception("Expected an ArrayMirror or StringMirror, not " + Target.Value.GetType());
     }
 }
Exemplo n.º 13
0
        public override ExtendedValue Evaluate(LiveStackFrame frame)
        {
            bool value = m_expr.Evaluate(frame).Get<bool>();

            return new ExtendedValue(frame.VirtualMachine.CreateValue(!value));
        }
Exemplo n.º 14
0
 // Returns a primitive type or throws an error.
 public abstract ExtendedValue Evaluate(LiveStackFrame frame);
Exemplo n.º 15
0
        private int m_index; // cache the index (because we sort by name so the old indices become invalid when reloading)

        #endregion Fields

        #region Constructors

        public VariableItem(ThreadMirror thread, LiveStackFrame frame)
            : this(thread, frame.Method.DeclaringType.FullName + " Stack Frame", null, null, frame, 0)
        {
        }
Exemplo n.º 16
0
        public override ExtendedValue Evaluate(LiveStackFrame frame)
        {
            ExtendedValue left = m_lhs.Evaluate(frame);
            ExtendedValue right = m_rhs.Evaluate(frame);

            if (left.IsNull && right.IsNull)
            {
                switch (m_op)
                {
                    case "<=":
                    case ">=":
                    case "==":
                        return new ExtendedValue(frame.VirtualMachine.CreateValue(true));

                    case "<":
                    case ">":
                    case "!=":
                        return new ExtendedValue(frame.VirtualMachine.CreateValue(false));

                    default:
                        Contract.Assert(false, "bad op: " + m_op);
                        break;
                }
            }
            else if (left.IsNull)
            {
                switch (m_op)
                {
                    case "<":
                    case "<=":
                    case "!=":
                        return new ExtendedValue(frame.VirtualMachine.CreateValue(true));

                    case ">":
                    case ">=":
                    case "==":
                        return new ExtendedValue(frame.VirtualMachine.CreateValue(false));

                    default:
                        Contract.Assert(false, "bad op: " + m_op);
                        break;
                }
            }
            else if (right.IsNull)
            {
                switch (m_op)
                {
                    case ">=":
                    case ">":
                    case "!=":
                        return new ExtendedValue(frame.VirtualMachine.CreateValue(true));

                    case "<":
                    case "<=":
                    case "==":
                        return new ExtendedValue(frame.VirtualMachine.CreateValue(false));

                    default:
                        Contract.Assert(false, "bad op: " + m_op);
                        break;
                }
            }
            else
            {
                object leftValue = DoGetPrimitive(left);
                object rightValue = DoGetPrimitive(right);
                Type type = DoFindCommonType(leftValue, rightValue);

                IComparable lhs = (IComparable) Convert.ChangeType(leftValue, type);
                IComparable rhs = (IComparable) Convert.ChangeType(rightValue, type);

                int x = lhs.CompareTo(rhs);
                switch (m_op)
                {
                    case "<":
                        return new ExtendedValue(frame.VirtualMachine.CreateValue(x < 0));

                    case "<=":
                        return new ExtendedValue(frame.VirtualMachine.CreateValue(x <= 0));

                    case ">=":
                        return new ExtendedValue(frame.VirtualMachine.CreateValue(x >= 0));

                    case ">":
                        return new ExtendedValue(frame.VirtualMachine.CreateValue(x > 0));

                    case "==":
                        return new ExtendedValue(frame.VirtualMachine.CreateValue(x == 0));

                    case "!=":
                        return new ExtendedValue(frame.VirtualMachine.CreateValue(x != 0));

                    default:
                        Contract.Assert(false, "bad op: " + m_op);
                        break;
                }
            }

            return null;
        }
Exemplo n.º 17
0
        public void OnBroadcast(string name, object value)
        {
            switch (name)
            {
                case "debugger started":
                    m_debugger = (Debugger) value;
                    break;

                case "debugger processed breakpoint event":
                case "debugger thrown exception":
                case "debugger break all":
                case "debugger processed step event":
                    var context = (Context) value;
                    var frame = new LiveStackFrame(context.Thread, 0);
                    DoReset(frame);
                    break;

                case "changed thread":
                    var stack = (LiveStack) value;
                    DoReset(stack[0]);
                    break;

                case "changed stack frame":
                    var frame2 = (LiveStackFrame) value;
                    DoReset(frame2);
                    break;

                case "debugger stopped":
                    m_debugger = null;
                    DoReset(null);
                    break;

                case "exiting event loop":
                    DoReset(null);
                    DoSavePrefs();
                    break;

                default:
                    Contract.Assert(false, "bad name: " + name);
                    break;
            }
        }