reflectionildasmview.cs

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//  ReflectionILDasmView.cs
//  Copyright (C) 2001 Mike Krueger
//
//  This program is free software; you can redistribute it and/or modify
//  it under the terms of the GNU General Public License as published by
//  the Free Software Foundation; either version 2 of the License, or
//  (at your option) any later version.
//
//  This program is distributed in the hope that it will be useful,
//  but WITHOUT ANY WARRANTY; without even the implied warranty of
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//  GNU General Public License for more details.
//
//  You should have received a copy of the GNU General Public License
//  along with this program; if not, write to the Free Software
//  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

using System;
using System.Collections;
using System.IO;
using System.Diagnostics;
using System.Drawing.Printing;
using System.Windows.Forms;
using System.Reflection;
using System.Reflection.Emit;

using SharpDevelop.Gui.Edit.Text;
using SharpDevelop.Internal.Undo;
using SharpDevelop.Gui.Window;

namespace SharpDevelop.Gui.Edit.Reflection {
	
	public class ReflectionILDasmView : UserControl
	{
		RichTextBox tb = new RichTextBox();
		ReflectionTree tree;
		
		public ReflectionILDasmView(MainWindow mainwindow, ReflectionTree tree)
		{
			this.tree = tree;
			
			Dock = DockStyle.Fill;
			tb.Font = SharpDevelop.Internal.Text.FontContainer.DefaultFont;
			tb.Dock = DockStyle.Fill;
			tb.ScrollBars = RichTextBoxScrollBars.Both;
			
			tb.WordWrap  = false;
			tb.ReadOnly  = true;
			Controls.Add(tb);
			
			tree.AfterSelect += new TreeViewEventHandler(SelectNode);
		}
		
		void SelectNode(object sender, TreeViewEventArgs e)
		{
			ReflectionNode node = (ReflectionNode)e.Node;
			
			Assembly assembly = null;
			string item = " /item=";
			
			if (node.Attribute is Assembly) {
				assembly = (Assembly)node.Attribute;
			} else
			if (node.Attribute is Type) {
				Type type = (Type)node.Attribute;
				item += type.FullName;
				assembly = type.Module.Assembly;
			} else
			if (node.Attribute is MethodBase) {
				MethodBase method = (MethodBase) node.Attribute;
				item += method.DeclaringType.FullName + "::" + method.Name;
				assembly = method.DeclaringType.Module.Assembly;
			} else {
				tb.Text = "<NO ILDASM VIEW AVAIBLE>";
				return;
			}
			tb.Text = GetILDASMOutput(assembly, item).Replace("\n", "\r\n");
		}
		
		private string GetILDASMOutput(Assembly assembly, string item)
	    {
	    	string args = assembly.Location + item + " /NOBAR /TEXT";
	    	
	    	ProcessStartInfo psi = new ProcessStartInfo("ildasm.exe", args);
	    	psi.RedirectStandardError  = true;
	    	psi.RedirectStandardOutput = true;
	    	psi.RedirectStandardInput  = true;
	    	psi.UseShellExecute        = false;
	    	psi.CreateNoWindow         = true;
	    	
		    Process process = Process.Start(psi);
		    string output   = process.StandardOutput.ReadToEnd();
		    process.WaitForExit();
		    
		    int cutpos = output.IndexOf(".namespace");
	    	
	    	if (cutpos != -1)
	    		return output.Substring(cutpos);
	    	
	    	cutpos = output.IndexOf(".class");
	    	if (cutpos != -1)
	    		return output.Substring(cutpos);
	    	
	    	cutpos = output.IndexOf(".method");
	    	if (cutpos != -1)
	    		return output.Substring(cutpos);
	    	
		    return output;
	    }
	}
}