public override SyntaxNode VisitFieldDeclaration(FieldDeclarationSyntax node)
{
string fullName = SyntaxUtils.GetFullName(node);
this.GetRemapInfo(fullName, out var listAttributes, node.Declaration.Type.ToString(), out string newType, out string newName);
// ClangSharp mistakenly emits string[] for WCHAR[] Foo = "Bar".
// Change it to string
if (newType == null && node.Declaration.Type.ToString() == "string[]")
{
newType = "string";
}
// Turn public static readonly Guids into string constants with an attribute
// to signal language projections to turn them into Guid constants. Guid constants
// aren't allowed in metadata, requiring us to surface them this way
if (node.Modifiers.ToString() == "public static readonly" && node.Declaration.Type.ToString() == "Guid")
{
Guid guidVal = Guid.Empty;
var varInitializer = node.Declaration.Variables.First().Initializer;
if (varInitializer.Value is ObjectCreationExpressionSyntax objCreationSyntax)
{
var args = objCreationSyntax.ArgumentList.Arguments;
if (args.Count == 11)
{
uint p0 = EncodeHelpers.ParseHex(args[0].ToString());
ushort p1 = (ushort)EncodeHelpers.ParseHex(args[1].ToString());
ushort p2 = (ushort)EncodeHelpers.ParseHex(args[2].ToString());
byte p3 = (byte)EncodeHelpers.ParseHex(args[3].ToString());
byte p4 = (byte)EncodeHelpers.ParseHex(args[4].ToString());
byte p5 = (byte)EncodeHelpers.ParseHex(args[5].ToString());
byte p6 = (byte)EncodeHelpers.ParseHex(args[6].ToString());
byte p7 = (byte)EncodeHelpers.ParseHex(args[7].ToString());
byte p8 = (byte)EncodeHelpers.ParseHex(args[8].ToString());
byte p9 = (byte)EncodeHelpers.ParseHex(args[9].ToString());
byte p10 = (byte)EncodeHelpers.ParseHex(args[10].ToString());
guidVal = new Guid(p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, p10);
}
else if (objCreationSyntax.ArgumentList.Arguments.Count == 1)
{
// If this is an invalid format, remove the node
if (!Guid.TryParse(objCreationSyntax.ArgumentList.Arguments[0].ToString(), out guidVal))
{
return(null);
}
}
}
if (guidVal == Guid.Empty)
{
return(node);
}
node = node.RemoveNode(varInitializer, SyntaxRemoveOptions.KeepExteriorTrivia | SyntaxRemoveOptions.KeepEndOfLine);
node = node.AddAttributeLists(EncodeHelpers.ConvertGuidToAttributeList(guidVal).WithLeadingTrivia(node.GetLeadingTrivia()));
return(node);
}
node = (FieldDeclarationSyntax)base.VisitFieldDeclaration(node);
if (listAttributes != null)
{
foreach (var attrNode in listAttributes)
{
var attrListNode =
SyntaxFactory.AttributeList(
SyntaxFactory.SingletonSeparatedList <AttributeSyntax>(attrNode));
node = node.WithAttributeLists(node.AttributeLists.Add(attrListNode));
}
}
var firstVar = node.Declaration.Variables.First();
if (newName != null)
{
var newVar = SyntaxFactory.VariableDeclarator(SyntaxFactory.Identifier(newName));
node = node.ReplaceNode(firstVar, newVar);
}
if (newType != null)
{
node = node.WithDeclaration(node.Declaration.WithType(SyntaxFactory.ParseTypeName(newType).WithTrailingTrivia(SyntaxFactory.Space)));
}
return(node);
}
public override SyntaxNode VisitFieldDeclaration(FieldDeclarationSyntax node)
{
string fullName = GetFullName(node);
this.GetRemapInfo(fullName, out var listAttributes, out string newType, out string newName);
// ClangSharp mistakenly emits string[] for WCHAR[] Foo = "Bar".
// Change it to string
if (newType == null && node.Declaration.Type.ToString() == "string[]")
{
newType = "string";
}
// Turn public static readonly Guids into string constants with an attribute
// to signal language projections to turn them into Guid constants. Guid constants
// aren't allowed in metadata, requiring us to surface them this way
if (node.Modifiers.ToString() == "public static readonly" && node.Declaration.Type.ToString() == "Guid")
{
// We're ignoring all the IID_ constants, assuming projections can get them from the interfaces
// directly
if (fullName.StartsWith("IID_"))
{
return(null);
}
string guidVal = null;
if (node.Declaration.Variables.First().Initializer.Value is ObjectCreationExpressionSyntax objCreationSyntax)
{
var args = objCreationSyntax.ArgumentList.Arguments;
if (args.Count == 11)
{
uint p0 = EncodeHelpers.ParseHex(args[0].ToString());
ushort p1 = (ushort)EncodeHelpers.ParseHex(args[1].ToString());
ushort p2 = (ushort)EncodeHelpers.ParseHex(args[2].ToString());
byte p3 = (byte)EncodeHelpers.ParseHex(args[3].ToString());
byte p4 = (byte)EncodeHelpers.ParseHex(args[4].ToString());
byte p5 = (byte)EncodeHelpers.ParseHex(args[5].ToString());
byte p6 = (byte)EncodeHelpers.ParseHex(args[6].ToString());
byte p7 = (byte)EncodeHelpers.ParseHex(args[7].ToString());
byte p8 = (byte)EncodeHelpers.ParseHex(args[8].ToString());
byte p9 = (byte)EncodeHelpers.ParseHex(args[9].ToString());
byte p10 = (byte)EncodeHelpers.ParseHex(args[10].ToString());
guidVal = new Guid(p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, p10).ToString();
}
else if (objCreationSyntax.ArgumentList.Arguments.Count == 1)
{
guidVal = EncodeHelpers.RemoveQuotes(objCreationSyntax.ArgumentList.Arguments[0].ToString());
}
}
if (guidVal == null)
{
return(node);
}
var variableDeclaration =
SyntaxFactory.VariableDeclaration(SyntaxFactory.ParseTypeName("string")
.WithTrailingTrivia(SyntaxFactory.Space))
.AddVariables(
SyntaxFactory.VariableDeclarator(fullName)
.WithInitializer(SyntaxFactory.EqualsValueClause(SyntaxFactory.ParseExpression($"\"{guidVal}\""))));
var attrListSyntax = SyntaxFactory.SingletonSeparatedList <AttributeSyntax>(SyntaxFactory.Attribute(SyntaxFactory.ParseName("Windows.Win32.Interop.GuidConst")));
var fieldDeclaration =
SyntaxFactory.FieldDeclaration(variableDeclaration)
.AddModifiers(SyntaxFactory.Token(SyntaxKind.PublicKeyword).WithTrailingTrivia(SyntaxFactory.Space), SyntaxFactory.Token(SyntaxKind.ConstKeyword).WithTrailingTrivia(SyntaxFactory.Space))
.AddAttributeLists(SyntaxFactory.AttributeList(attrListSyntax))
.WithLeadingTrivia(SyntaxFactory.CarriageReturnLineFeed)
.WithTrailingTrivia(SyntaxFactory.CarriageReturnLineFeed);
return(fieldDeclaration);
}
node = (FieldDeclarationSyntax)base.VisitFieldDeclaration(node);
if (listAttributes != null)
{
foreach (var attrNode in listAttributes)
{
var attrListNode =
SyntaxFactory.AttributeList(
SyntaxFactory.SingletonSeparatedList <AttributeSyntax>(attrNode));
node = node.WithAttributeLists(node.AttributeLists.Add(attrListNode));
}
}
var firstVar = node.Declaration.Variables.First();
if (newName != null)
{
var newVar = SyntaxFactory.VariableDeclarator(SyntaxFactory.Identifier(newName));
node = node.ReplaceNode(firstVar, newVar);
}
if (newType != null)
{
node = node.WithDeclaration(node.Declaration.WithType(SyntaxFactory.ParseTypeName(newType).WithTrailingTrivia(SyntaxFactory.Space)));
}
return(node);
}
