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using System;
using System.Diagnostics;
using System.Reflection;
using System.Text;
namespace Godot
{
internal static class DebuggingUtils
{
internal static void AppendTypeName(this StringBuilder sb, Type type)
{
if (type.IsPrimitive)
sb.Append(type.Name);
else if (type == typeof(void))
sb.Append("void");
else
sb.Append(type.ToString());
sb.Append(" ");
}
public static void GetStackFrameInfo(StackFrame frame, out string fileName, out int fileLineNumber, out string methodDecl)
{
fileName = frame.GetFileName();
fileLineNumber = frame.GetFileLineNumber();
MethodBase methodBase = frame.GetMethod();
if (methodBase == null)
{
methodDecl = string.Empty;
return;
}
StringBuilder sb = new StringBuilder();
if (methodBase is MethodInfo methodInfo)
sb.AppendTypeName(methodInfo.ReturnType);
sb.Append(methodBase.DeclaringType.FullName);
sb.Append(".");
sb.Append(methodBase.Name);
if (methodBase.IsGenericMethod)
{
Type[] genericParams = methodBase.GetGenericArguments();
sb.Append("<");
for (int j = 0; j < genericParams.Length; j++)
{
if (j > 0)
sb.Append(", ");
sb.AppendTypeName(genericParams[j]);
}
sb.Append(">");
}
sb.Append("(");
bool varArgs = (methodBase.CallingConvention & CallingConventions.VarArgs) != 0;
ParameterInfo[] parameter = methodBase.GetParameters();
for (int i = 0; i < parameter.Length; i++)
{
if (i > 0)
sb.Append(", ");
if (i == parameter.Length - 1 && varArgs)
sb.Append("params ");
sb.AppendTypeName(parameter[i].ParameterType);
}
sb.Append(")");
methodDecl = sb.ToString();
}
}
}
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