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Imported Upstream version 4.2.0.179

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Former-commit-id: 4610231f55806d2a05ed69e5ff3faa7336cc1479
This commit is contained in:
Xamarin Public Jenkins
2015-08-26 07:17:56 -04:00
committed by Jo Shields
parent aa7da660d6
commit c042cd0c52
7507 changed files with 90259 additions and 657307 deletions
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257
mcs/class/System.Windows.Forms/System.Windows.Forms.Internal/DebugHelper.cs Normal file
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// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
// Copyright (c) 2008 Novell, Inc.
//
// Authors:
// Andreia Gaita (avidigal@novell.com)
//
//#define DEBUG
//#define TRACE
using System;
using System.Collections.Generic;
using System.Reflection;
using System.Text;
using System.IO;
using System.Diagnostics;
namespace System.Windows.Forms
{
internal class DebugHelper
{
static DebugHelper () {
Debug.AutoFlush = true;
}
struct Data {
public MethodBase method;
public object[] args;
public Data (MethodBase m, object[] a) {
this.method = m;
this.args = a;
}
}
static Stack<Data> methods = new Stack<Data>();
[Conditional("DEBUG")]
internal static void DumpCallers () {
StackTrace trace = new StackTrace(true);
int count = trace.FrameCount;
Debug.Indent ();
for (int i = 1; i < count; i++) {
StackFrame parentFrame = trace.GetFrame(i);
MethodBase parentMethod = parentFrame.GetMethod();
string file = parentFrame.GetFileName();
if (file != null && file.Length > 1)
file = file.Substring (file.LastIndexOf (Path.DirectorySeparatorChar) + 1);
Debug.WriteLine(parentMethod.DeclaringType.Name + "." + parentMethod.Name +
" at " + file + ":" + parentFrame.GetFileLineNumber()
);
}
Debug.Unindent ();
}
[Conditional("DEBUG")]
internal static void DumpCallers (int count) {
StackTrace trace = new StackTrace(true);
int c = (count > trace.FrameCount ? trace.FrameCount : count);
Debug.Indent ();
for (int i = 1; i < c; i++) {
StackFrame parentFrame = trace.GetFrame(i);
MethodBase parentMethod = parentFrame.GetMethod();
string file = parentFrame.GetFileName();
if (file != null && file.Length > 1)
file = file.Substring (file.LastIndexOf (Path.DirectorySeparatorChar) + 1);
Debug.WriteLine(parentMethod.DeclaringType.Name + "." + parentMethod.Name +
" at " + file + ":" + parentFrame.GetFileLineNumber()
);
}
Debug.Unindent ();
}
[Conditional("DEBUG")]
internal static void Enter ()
{
StackTrace trace = new StackTrace();
methods.Push (new Data (trace.GetFrame(1).GetMethod(), null));
Print ();
Debug.Indent ();
}
[Conditional("DEBUG")]
internal static void Enter (object[] args)
{
StackTrace trace = new StackTrace();
methods.Push (new Data (trace.GetFrame(1).GetMethod(), args));
Print ();
Debug.Indent ();
}
[Conditional("DEBUG")]
internal static void Leave ()
{
if (methods.Count > 0) {
methods.Pop ();
Debug.Unindent ();
}
}
[Conditional("DEBUG")]
internal static void Print ()
{
if (methods.Count == 0)
return;
Data data = methods.Peek ();
Debug.WriteLine (data.method.DeclaringType.Name + "." + data.method.Name);
}
[Conditional("DEBUG")]
internal static void Print (int index)
{
if (methods.Count == 0 || methods.Count <= index || index < 0)
return;
Stack<Data> temp = new Stack<Data>(index-1);
for (int i = 0; i < index; i++)
temp.Push (methods.Pop ());
Data data = methods.Peek ();
for (int i = 0; i < temp.Count; i++)
methods.Push (temp.Pop());
temp = null;
Debug.WriteLine (data.method.DeclaringType.Name + "." + data.method.Name);
}
[Conditional("DEBUG")]
internal static void Print (string methodName, string parameterName)
{
if (methods.Count == 0)
return;
Stack<Data> temp = new Stack<Data>();
Data data = methods.Peek ();
bool foundit = false;
for (int i = 0; i < methods.Count; i++)
{
data = methods.Peek ();
if (data.method.Name.Equals (methodName)) {
foundit = true;
break;
}
temp.Push (methods.Pop ());
}
for (int i = 0; i < temp.Count; i++)
methods.Push (temp.Pop());
temp = null;
if (!foundit)
return;
Debug.WriteLine (data.method.DeclaringType.Name + "." + data.method.Name);
ParameterInfo[] pi = data.method.GetParameters ();
for (int i = 0; i < pi.Length; i++) {
if (pi[i].Name == parameterName) {
Debug.Indent ();
Debug.Write (parameterName + "=");
if (pi[i].ParameterType == typeof(IntPtr))
Debug.WriteLine (String.Format ("0x{0:x}", ((IntPtr)data.args[i]).ToInt32()));
else
Debug.WriteLine (data.args[i]);
Debug.Unindent ();
}
}
}
[Conditional("DEBUG")]
internal static void Print (string parameterName)
{
if (methods.Count == 0)
return;
Data data = methods.Peek ();
ParameterInfo[] pi = data.method.GetParameters ();
for (int i = 0; i < pi.Length; i++) {
if (pi[i].Name == parameterName) {
Debug.Indent ();
Debug.Write (parameterName + "=");
if (pi[i].ParameterType == typeof(IntPtr))
Debug.WriteLine (String.Format ("0x{0:x}", data.args[i]));
else
Debug.WriteLine (data.args[i]);
Debug.Unindent ();
}
}
}
[Conditional("DEBUG")]
internal static void WriteLine (object arg)
{
Debug.WriteLine (arg);
}
[Conditional("DEBUG")]
internal static void WriteLine (string format, params object[] arg)
{
Debug.WriteLine (String.Format (format, arg));
}
[Conditional("DEBUG")]
internal static void WriteLine (string message)
{
Debug.WriteLine (message);
}
[Conditional("DEBUG")]
internal static void Indent ()
{
Debug.Indent ();
}
[Conditional("DEBUG")]
internal static void Unindent ()
{
Debug.Unindent ();
}
[Conditional("TRACE")]
internal static void TraceWriteLine (string format, params object[] arg)
{
Debug.WriteLine (String.Format (format, arg));
}
[Conditional("TRACE")]
internal static void TraceWriteLine (string message)
{
Debug.WriteLine (message);
}
}
}