/// <summary>
/// Evaluates a member using by resolving a symbol by a full name.
/// </summary>
/// <remarks>
/// DScript V2 feature.
/// </remarks>
internal EvaluationResult EvaluateEntryByFullName(Context context, FullSymbol fullName, LineInfo location)
{
ResolvedEntry resolvedEntry = default(ResolvedEntry);
if (CurrentFileModule?.TryGetResolvedEntryByFullName(fullName, out resolvedEntry) == true)
{
return(EvaluateResolvedSymbol(context, this, location, resolvedEntry));
}
// This is an assertion but not a graceful error, because resolution may fail only if something went wrong.
string message = I($"Can't find resolved symbol by a full name '{fullName.ToString(context.FrontEndContext.SymbolTable)}'");
Contract.Assert(false, message);
return(EvaluationResult.Undefined);
}
private bool TryResolveEntryByLocation(Context context, FilePosition filePosition, FullSymbol nameForDebuggingPurposes, out ResolvedEntry resolvedEntry, out FileModuleLiteral owningFileModule)
{
owningFileModule = default(FileModuleLiteral);
resolvedEntry = default(ResolvedEntry);
if (CurrentFileModule?.TryGetResolvedEntry(context.ModuleRegistry, filePosition, out resolvedEntry, out owningFileModule) == true)
{
return(true);
}
// This is an assertion but not a graceful error, because resolution may fail only if something went wrong.
string message =
I($"Can't find resolved symbol '{nameForDebuggingPurposes.ToString(context.FrontEndContext.SymbolTable)}' at position '{filePosition.Position}' from source file '{filePosition.Path.ToString(context.PathTable)}'");
Contract.Assert(false, message);
return(false);
}
/// <summary>
/// Stores a given resolved entry at a given location.
/// </summary>
public virtual void AddResolvedEntry(FilePosition location, ResolvedEntry entry)
{
CurrentFileModule?.AddResolvedEntry(location, entry);
}
/// <summary>
/// Stores a given resolved entry by a given name.
/// </summary>
public virtual void AddResolvedEntry(FullSymbol fullName, ResolvedEntry entry)
{
CurrentFileModule?.AddResolvedEntry(fullName, entry);
}
// Following set of methods are used in V2 name resolution based on a semantic information from the checker.
/// <summary>
/// Stores a given function at a given location.
/// </summary>
public virtual void AddResolvedEntry(FilePosition location, FunctionLikeExpression lambda)
{
CurrentFileModule?.AddResolvedEntry(location, lambda);
}
