public static SyntaxNode GenerateTypeNode(this Microsoft.CodeAnalysis.Editing.SyntaxGenerator generator, string type)
{
switch (type.ToLower())
{
case "long": // long in VB6 = Int32 in .NET
return(generator.TypeExpression(SpecialType.System_Int32));
case "string":
return(generator.TypeExpression(SpecialType.System_String));
case "boolean":
return(generator.TypeExpression(SpecialType.System_Boolean));
case "byte":
return(generator.TypeExpression(SpecialType.System_Byte));
case "single":
return(generator.TypeExpression(SpecialType.System_Single));
case "integer": // integer in VB6 = Int16 in .NET
return(generator.TypeExpression(SpecialType.System_Int16));
case "double":
return(generator.TypeExpression(SpecialType.System_Double));
case "object":
return(generator.TypeExpression(SpecialType.System_Object));
default:
throw new NotImplementedException();
}
}
public static SyntaxNode GenerateNodeForLiteralOrName(this Microsoft.CodeAnalysis.Editing.SyntaxGenerator generator, string text)
{
var literalNode = generator.GenerateNodeForLiteral(text);
if (literalNode != null)
{
return(literalNode);
}
else
{
return(generator.IdentifierName(text));
}
}
public static SyntaxNode GenerateNodeForLiteral(this Microsoft.CodeAnalysis.Editing.SyntaxGenerator generator, string text)
{
if (text.Equals("Nothing"))
{
return(generator.LiteralExpression(null));
}
if (text.Equals("vbNullString"))
{
return(generator.LiteralExpression(null));
}
if (Int32.TryParse(text, out int i))
{
return(generator.LiteralExpression(i));
}
if (bool.TryParse(text, out bool b))
{
return(generator.LiteralExpression(b));
}
if (text.StartsWith("&H"))
{
if (text.EndsWith("&"))
{
// This is a VB6 long hex literal (Int32 in .NET)
if (Int32.TryParse(text.Substring(2, text.Length - 1 - 2), NumberStyles.HexNumber, null, out i))
{
return(generator.LiteralExpression(i));
}
}
else
{
// This is a VB6 int hex literal (Int16 in .NET)
if (Int16.TryParse(text.Substring(2, text.Length - 2), NumberStyles.HexNumber, null, out short s))
{
return(generator.LiteralExpression(s));
}
}
}
if (text.StartsWith("\"") && text.EndsWith("\""))
{
return(generator.LiteralExpression(EscapeString(text.Trim('\"'))));
}
return(null);
}
