public IPsiSourceFileProperties GetPsiProperties(IPsiSourceFileProperties prevProperties, IProject project,
IProjectFile projectFile, IPsiSourceFile sourceFile)
{
using (ReadLockCookie.Create())
{
// R# already has a helper method to recognise the SFI project - IsVCXMiscProjectInVs2015
if (prevProperties != null && prevProperties.ShouldBuildPsi &&
prevProperties.ProvidesCodeModel &&
!(sourceFile is IExternalPsiSourceFile) &&
project.IsVCXMiscProjectInVs2015() &&
projectFile.LanguageType.Is <ShaderLabProjectFileType>())
{
return(ExcludedProjectPsiSourceFilePropertiesProvider.ExcludedProjectPsiSourceFileProperties
.Instance);
}
}
return(prevProperties);
}
public IPsiSourceFileProperties GetPsiProperties(
IPsiSourceFileProperties prevProperties,
IProject project,
IPsiSourceFileWithLocation sourceFile
)
{
var projectFile = sourceFile.ToProjectFile();
if (projectFile == null)
{
return(prevProperties);
}
var checker = sourceFile.GetSolution().GetComponent <IT4TargetFileChecker>();
if (checker.IsPreprocessResult(projectFile))
{
return(T4PreprocessResultProjectFileProperties.Instance);
}
return(prevProperties);
}
// The PropertiesFactory passed to PsiSourceFileFromPath is called on EVERY access to IPsiSourceFile.Properties.
// This function allows us to create a single instance for each file. The cache variable (as well as the func
// parameter) are captured into a closure class. When the closure's is invoked, we can populate and return the
// cached value
private static Func <IPsiSourceFile, IPsiSourceFileProperties> Memoize(Func <IPsiSourceFile, IPsiSourceFileProperties> func)
{
IPsiSourceFileProperties cache = null;
return(sf => cache ?? (cache = func(sf)));
}
