public static PreprocessingDirective VBToCSharp(PreprocessingDirective dir)
{
string cmd = dir.Cmd;
string arg = dir.Arg;
if (cmd.Equals("#End", StringComparison.InvariantCultureIgnoreCase))
{
if (arg.ToLowerInvariant().StartsWith("region"))
{
cmd = "#endregion";
arg = "";
}
else if ("if".Equals(arg, StringComparison.InvariantCultureIgnoreCase))
{
cmd = "#endif";
arg = "";
}
}
else if (cmd.Equals("#Region", StringComparison.InvariantCultureIgnoreCase))
{
cmd = "#region";
}
else if (cmd.Equals("#If", StringComparison.InvariantCultureIgnoreCase))
{
cmd = "#if";
if (arg.ToLowerInvariant().EndsWith(" then"))
{
arg = arg.Substring(0, arg.Length - 5);
}
}
else if (cmd.Equals("#Else", StringComparison.InvariantCultureIgnoreCase))
{
if (dir.Expression != null)
{
cmd = "#elif";
}
else
{
cmd = "#else";
}
}
else if (cmd.Equals("#ElseIf", StringComparison.InvariantCultureIgnoreCase))
{
cmd = "#elif";
}
return(new PreprocessingDirective(cmd, arg, dir.StartPosition, dir.EndPosition)
{
Expression = dir.Expression
});
}
public static PreprocessingDirective CSharpToVB(PreprocessingDirective dir)
{
string cmd = dir.Cmd;
string arg = dir.Arg;
switch (cmd)
{
case "#region":
cmd = "#Region";
if (!arg.StartsWith("\""))
{
arg = "\"" + arg.Trim() + "\"";
}
break;
case "#endregion":
cmd = "#End";
arg = "Region";
break;
case "#endif":
cmd = "#End";
arg = "If";
break;
case "#if":
arg += " Then";
break;
}
if (cmd.Length > 1)
{
cmd = cmd.Substring(0, 2).ToUpperInvariant() + cmd.Substring(2);
}
return(new PreprocessingDirective(cmd, arg, dir.StartPosition, dir.EndPosition)
{
Expression = dir.Expression
});
}