private void RunAnalysisPhases(AstNode astRoot, CompilerContext context, params CodeAnalysisPhase[] phases)
{
CodeAnalysisArgs args = new CodeAnalysisArgs(context);
foreach (CodeAnalysisPhase phase in phases) {
switch (phase) {
case CodeAnalysisPhase.AssignScopes:
astRoot.Scope = new Scope(astRoot, null);
break;
case CodeAnalysisPhase.MarkTailCalls:
if (!Grammar.FlagIsSet(LanguageFlags.TailRecursive)) continue;//foreach loop - don't run the phase
astRoot.Flags |= AstNodeFlags.IsTail;
break;
}//switch
args.Phase = phase;
astRoot.OnCodeAnalysis(args);
}//foreach phase
}