CallStackItem GetTopNonClrFunction()
{
CallStackItem stackframe = null;
for (int i = 0; i < m_ExecutionStack.Count; i++)
{
stackframe = m_ExecutionStack.Peek(i);
if (stackframe.ClrFunction == null)
{
break;
}
}
return(stackframe);
}
public SymbolRef FindSymbolByName(string name)
{
if (m_ExecutionStack.Count > 0)
{
CallStackItem stackframe = GetTopNonClrFunction();
if (stackframe != null)
{
if (stackframe.Debug_Symbols != null)
{
for (int i = stackframe.Debug_Symbols.Length - 1; i >= 0; i--)
{
var l = stackframe.Debug_Symbols[i];
if (l.i_Name == name && stackframe.LocalScope[i] != null)
{
return(l);
}
}
}
var closure = stackframe.ClosureScope;
if (closure != null)
{
for (int i = 0; i < closure.Symbols.Length; i++)
{
if (closure.Symbols[i] == name)
{
return(SymbolRef.Upvalue(name, i));
}
}
}
}
}
if (name != WellKnownSymbols.ENV)
{
SymbolRef env = FindSymbolByName(WellKnownSymbols.ENV);
return(SymbolRef.Global(name, env));
}
else
{
return(SymbolRef.DefaultEnv);
}
}