public override string VisitIdentifierName(IdentifierNameSyntax node)
{
SymbolInfo symbolInfo = GetModel(node).GetSymbolInfo(node);
ISymbol symbol = symbolInfo.Symbol;
string containingTypeName = Utilities.GetFullName(symbolInfo.Symbol.ContainingType);
if (containingTypeName == "ShaderGen.ShaderBuiltins")
{
TryRecognizeBuiltInVariable(symbolInfo);
}
if (symbol.Kind == SymbolKind.Field && containingTypeName == _containingTypeName)
{
string symbolName = symbol.Name;
ResourceDefinition referencedResource = _backend.GetContext(_setName).Resources.Single(rd => rd.Name == symbolName);
_resourcesUsed.Add(referencedResource);
_shaderFunction.UsesTexture2DMS |= referencedResource.ValueType.Name == "ShaderGen.Texture2DMSResource";
return(_backend.CorrectFieldAccess(symbolInfo));
}
else if (symbol.Kind == SymbolKind.Property)
{
return(_backend.FormatInvocation(_setName, containingTypeName, symbol.Name, Array.Empty <InvocationParameterInfo>()));
}
string mapped = _backend.CSharpToShaderIdentifierName(symbolInfo);
return(_backend.CorrectIdentifier(mapped));
}
public override string VisitMemberAccessExpression(MemberAccessExpressionSyntax node)
{
SymbolInfo exprSymbol = GetModel(node).GetSymbolInfo(node.Expression);
if (exprSymbol.Symbol?.Kind == SymbolKind.NamedType)
{
SymbolInfo symbolInfo = GetModel(node).GetSymbolInfo(node);
ISymbol symbol = symbolInfo.Symbol;
// Enum field
INamedTypeSymbol namedTypeSymbol = (INamedTypeSymbol)exprSymbol.Symbol;
if (namedTypeSymbol.TypeKind == TypeKind.Enum)
{
IFieldSymbol enumFieldSymbol = (IFieldSymbol)symbol;
string constantValueString = enumFieldSymbol.ConstantValue.ToString();
if (namedTypeSymbol.EnumUnderlyingType.SpecialType == SpecialType.System_UInt32)
{
// TODO: We need to do this for literal values too, if they don't already have this suffix,
// so this should be refactored.
constantValueString += "u";
}
return(constantValueString);
}
// Static member access
if (symbol.Kind == SymbolKind.Property || symbol.Kind == SymbolKind.Field)
{
return(Visit(node.Name));
}
string typeName = Utilities.GetFullMetadataName(exprSymbol.Symbol);
string targetName = Visit(node.Name);
return(_backend.FormatInvocation(_setName, typeName, targetName, Array.Empty <InvocationParameterInfo>()));
}
else if (exprSymbol.Symbol is IFieldSymbol field)
{
var context = _backend.GetContext(_setName);
if (context.Resources.Any(r => r.Name == field.Name && r.ResourceKind == ShaderResourceKind.Emit))
{
return("out_" + Visit(node.Name));
}
}
// Other accesses
bool isIndexerAccess = (node.Expression is ElementAccessExpressionSyntax) ||
_backend.IsIndexerAccess(GetModel(node).GetSymbolInfo(node.Name));
string expr = Visit(node.Expression);
string name = Visit(node.Name);
return(expr + node.OperatorToken.ToFullString() + name);
}
