/// <summary>
/// Finds all symbols in a script
/// </summary>
/// <param name="scriptAst">The abstract syntax tree of the given script</param>
/// <param name="powerShellVersion">The PowerShell version the Ast was generated from</param>
/// <returns>A collection of SymbolReference objects</returns>
static public IEnumerable <SymbolReference> FindSymbolsInDocument(Ast scriptAst, Version powerShellVersion)
{
IEnumerable <SymbolReference> symbolReferences = null;
// TODO: Restore this when we figure out how to support multiple
// PS versions in the new PSES-as-a-module world (issue #276)
// if (powerShellVersion >= new Version(5,0))
// {
//#if PowerShellv5
// FindSymbolsVisitor2 findSymbolsVisitor = new FindSymbolsVisitor2();
// scriptAst.Visit(findSymbolsVisitor);
// symbolReferences = findSymbolsVisitor.SymbolReferences;
//#endif
// }
// else
{
if (IsPowerShellDataFileAst(scriptAst))
{
var findHashtableSymbolsVisitor = new FindHashtableSymbolsVisitor();
scriptAst.Visit(findHashtableSymbolsVisitor);
symbolReferences = findHashtableSymbolsVisitor.SymbolReferences;
}
else
{
FindSymbolsVisitor findSymbolsVisitor = new FindSymbolsVisitor();
scriptAst.Visit(findSymbolsVisitor);
symbolReferences = findSymbolsVisitor.SymbolReferences;
}
}
return(symbolReferences);
}
protected override IEnumerable <SymbolReference> GetSymbolsImpl(ScriptFile scriptFile, Version psVersion)
{
var findHashtableSymbolsVisitor = new FindHashtableSymbolsVisitor();
scriptFile.ScriptAst.Visit(findHashtableSymbolsVisitor);
return(findHashtableSymbolsVisitor.SymbolReferences);
}