internal static IVariable[] GetCapturedLoopVariables(IEmitter emitter, AstNode context, IEnumerable <ParameterDeclaration> parameters, bool excludeReadOnly = false)
{
var loop = LambdaBlock.GetOuterLoop(context);
if (loop == null)
{
return(null);
}
var loopVariablesAnalyzer = new LoopVariablesAnalyzer(emitter, excludeReadOnly);
loopVariablesAnalyzer.Analyze(loop);
var captureAnalyzer = new CaptureAnalyzer(emitter);
captureAnalyzer.Analyze(context, parameters.Select(p => p.Name));
return(captureAnalyzer.UsedVariables.Where(v => loopVariablesAnalyzer.Variables.Contains(v)).ToArray());
}
private string[] GetCapturedLoopVariables()
{
var loop = this.GetOuterLoop();
if (loop == null)
{
return(null);
}
var loopVariablesAnalyzer = new LoopVariablesAnalyzer(this.Emitter);
loopVariablesAnalyzer.Analyze(loop);
var captureAnalyzer = new CaptureAnalyzer(this.Emitter);
captureAnalyzer.Analyze(this.Context, this.Parameters.Select(p => p.Name));
var capturedVariables = captureAnalyzer.UsedVariables.Where(v => loopVariablesAnalyzer.Variables.Contains(v)).ToArray();
List <string> names = new List <string>();
foreach (var capturedVariable in capturedVariables)
{
if (this.Emitter.LocalsMap != null && this.Emitter.LocalsMap.ContainsKey(capturedVariable))
{
names.Add(this.Emitter.LocalsMap[capturedVariable]);
}
else if (this.Emitter.LocalsNamesMap != null && this.Emitter.LocalsNamesMap.ContainsKey(capturedVariable.Name))
{
names.Add(this.Emitter.LocalsNamesMap[capturedVariable.Name]);
}
else
{
names.Add(capturedVariable.Name);
}
}
return(names.ToArray());
}