public override IAnalysisSet GetIndex(Node node, AnalysisUnit unit, IAnalysisSet index)
{
var res = base.GetIndex(node, unit, index);
var names = index.GetConstantValueAsString()
.Where(s => !string.IsNullOrEmpty(s) && ModulePath.IsImportable(s))
.Distinct()
.ToArray();
if (names.Length != 1)
{
// Unless you request a specific module by string literal,
// you won't get any object out of sys.modules.
return(AnalysisSet.Empty);
}
var name = names[0];
lock (_owner.Modules) {
IAnalysisSet knownValues;
if (_owner.Modules.TryGetValue(name, out knownValues) &&
knownValues != null &&
knownValues.Any()
)
{
return(knownValues);
}
}
ModuleReference modRef;
if (unit.State.Modules.TryImport(name, out modRef))
{
return(modRef.AnalysisModule);
}
return(AnalysisSet.Empty);
}
// Avoid hitting the filesystem, but exclude non-importable
// paths. Ideally, we'd stop at the first path that's a known
// search path, except we don't know search paths here.
private static bool IsPackageCheck(string path)
{
return(ModulePath.IsImportable(PathUtils.GetFileName(path.TrimEnd(Path.DirectorySeparatorChar, Path.AltDirectorySeparatorChar))));
}
// Avoid hitting the filesystem, but exclude non-importable
// paths. Ideally, we'd stop at the first path that's a known
// search path, except we don't know search paths here.
private static bool IsPackageCheck(string path)
{
return(ModulePath.IsImportable(PathUtils.GetFileOrDirectoryName(path)));
}