/// <summary>
/// Get a list of symbols declared in a given file
/// </summary>
/// <param name="file">
/// A <see cref="System.String"/>: The file to check
/// </param>
/// <param name="desiredTypes">
/// A <see cref="IEnumerable<System.String>"/>: The types of symbols to allow
/// </param>
List <Afrodite.Symbol> GetSymbolsForFile(string file, IEnumerable <string> desiredTypes)
{
List <Afrodite.Symbol> symbols = null;
List <Afrodite.Symbol> classes = new List <Afrodite.Symbol> ();
if (!DepsInstalled)
{
return(classes);
}
using (Afrodite.CodeDom parseTree = engine.TryAcquireCodeDom()) {
if (null != parseTree)
{
Afrodite.SourceFile sourceFile = parseTree.LookupSourceFile(file);
if (null != sourceFile)
{
symbols = sourceFile.Symbols;
if (null != symbols)
{
foreach (Afrodite.Symbol symbol in symbols)
{
foreach (string containerType in desiredTypes)
{
if (containerType.Equals(symbol.MemberType, StringComparison.OrdinalIgnoreCase))
{
classes.Add(symbol);
}
}
}
}
}
else
{
LoggingService.LogDebug("GetClassesForFile: Unable to lookup source file {0}", file);
}
}
else
{
LoggingService.LogDebug("GetClassesForFile: Unable to acquire codedom");
}
}
return(classes);
}
} // GetConstructorsForExpression
/// <summary>
/// Get types visible from a given source location
/// </summary>
internal void GetTypesVisibleFrom(string filename, int line, int column, ValaCompletionDataList results)
{
if (!DepsInstalled)
{
return;
}
// Add contents of parents
ICollection <Afrodite.Symbol> containers = GetClassesForFile(filename);
AddResults(containers, results);
foreach (Afrodite.Symbol klass in containers)
{
// TODO: check source references once afrodite reliably captures the entire range
for (Afrodite.Symbol parent = klass.Parent;
parent != null;
parent = parent.Parent)
{
AddResults(parent.Children.FindAll(delegate(Afrodite.Symbol sym){
return(0 <= Array.IndexOf(containerTypes, sym.MemberType.ToLower()));
}), results);
}
}
using (Afrodite.CodeDom parseTree = engine.TryAcquireCodeDom()) {
if (null == parseTree)
{
return;
}
AddResults(GetNamespacesForFile(filename), results);
AddResults(GetClassesForFile(filename), results);
Afrodite.SourceFile file = parseTree.LookupSourceFile(filename);
if (null != file)
{
Afrodite.Symbol parent;
foreach (Afrodite.DataType directive in file.UsingDirectives)
{
if (directive.Symbol == null)
{
continue;
}
Afrodite.Symbol ns = parseTree.Lookup(directive.Symbol.FullyQualifiedName, out parent);
if (null != ns)
{
containers = new List <Afrodite.Symbol> ();
AddResults(new Afrodite.Symbol[] { ns }, results);
foreach (Afrodite.Symbol child in ns.Children)
{
foreach (string containerType in containerTypes)
{
if (containerType.Equals(child.MemberType, StringComparison.OrdinalIgnoreCase))
{
containers.Add(child);
}
}
}
AddResults(containers, results);
}
}
}
}
} // GetTypesVisibleFrom