public override string VisitInclude(ShaderInputsParser.IncludeContext context)
{
string filename = context.FILEPATH().GetText();
string filepath = Program.InputDir + "/" + filename;
if (!File.Exists(filepath))
{
throw new Exception("Include file " + filepath + " doesn't exist");
}
string includeContent = File.ReadAllText(filepath);
ShaderInputsParser parser = Program.InitializeAntlr(includeContent);
ShaderInputsParser.InputFileContext ictx = parser.inputFile();
ShaderInputsVisitor visitor = new ShaderInputsVisitor(m_globalCtx);
visitor.Visit(ictx);
OutputContext.Merge(visitor.OutputContext);
return(base.VisitInclude(context));
}