84 lines
2.4 KiB
C#
84 lines
2.4 KiB
C#
//
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// LocalVariableValueBatch.cs
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//
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// Author: Jeffrey Stedfast <jeff@xamarin.com>
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//
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// Copyright (c) 2014 Xamarin Inc. (www.xamarin.com)
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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using System;
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using Mono.Debugger.Soft;
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namespace Mono.Debugging.Soft
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{
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public class LocalVariableBatch
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{
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readonly LocalVariable[] variables;
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Value[] values;
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int version;
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public LocalVariableBatch (LocalVariable[] variables)
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{
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this.variables = variables;
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}
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public Value GetValue (SoftEvaluationContext ctx, LocalVariable variable)
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{
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if (variable == null)
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throw new ArgumentNullException ("variable");
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if (values == null || version != ctx.Session.StackVersion) {
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values = ctx.Frame.GetValues (variables);
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version = ctx.Session.StackVersion;
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}
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for (int i = 0; i < variables.Length; i++) {
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if (variable == variables[i])
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return values[i];
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}
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throw new ArgumentOutOfRangeException ("variable");
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}
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public void SetValue (SoftEvaluationContext ctx, LocalVariable variable, Value value)
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{
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var canUpdateCache = values != null && version == ctx.Session.StackVersion;
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ctx.Frame.SetValue (variable, value);
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ctx.Session.StackVersion++;
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if (canUpdateCache) {
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for (int i = 0; i < variables.Length; i++) {
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if (variable == variables[i]) {
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values[i] = value;
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break;
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}
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}
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version = ctx.Session.StackVersion;
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} else {
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values = null;
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version = 0;
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}
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}
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}
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}
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