public static void AddGlobalOrLocalVariable(string name, GetVarFunction function,
ParsingScript script = null, bool localIfPossible = false)
{
name = Constants.ConvertName(name);
if (Constants.CheckReserved(name))
{
Utils.ThrowErrorMsg(name + " is a reserved name.", script, name);
}
bool globalOnly = !localIfPossible && !LocalNameExists(name);
Dictionary <string, ParserFunction> lastLevel = GetLastLevel();
if (!globalOnly && lastLevel != null && s_lastExecutionLevel.IsNamespace && !string.IsNullOrWhiteSpace(s_namespace))
{
name = s_namespacePrefix + name;
}
function.Name = Constants.GetRealName(name);
function.Value.ParamName = function.Name;
if (!globalOnly && !localIfPossible && script != null && script.StackLevel != null && !GlobalNameExists(name))
{
script.StackLevel.Variables[name] = function;
}
if (!globalOnly && s_locals.Count > StackLevelDelta &&
(localIfPossible || LocalNameExists(name) || !GlobalNameExists(name)))
{
AddLocalVariable(function);
}
else
{
AddGlobal(name, function, false /* not native */);
}
}
static ParserFunction GetRegisteredAction(string name, ParsingScript script, ref string action)
{
if (Constants.CheckReserved(name))
{
return(null);
}
if (ActionForUndefined(action) && script.Rest.StartsWith(Constants.UNDEFINED))
{
IsUndefinedFunction undef = new IsUndefinedFunction(name, action);
return(undef);
}
ActionFunction actionFunction = GetAction(action);
// If passed action exists and is registered we are done.
if (actionFunction == null)
{
return(null);
}
ActionFunction theAction = actionFunction.NewInstance() as ActionFunction;
theAction.Name = name;
theAction.Action = action;
action = null;
return(theAction);
}
public static void AddGlobalOrLocalVariable(string name, GetVarFunction function, ParsingScript script = null)
{
name = Constants.ConvertName(name);
if (Constants.CheckReserved(name))
{
Utils.ThrowErrorMsg(name + " is a reserved name.", script, name);
}
Dictionary <string, ParserFunction> lastLevel = GetLastLevel();
if (lastLevel != null && s_lastExecutionLevel.IsNamespace && !string.IsNullOrWhiteSpace(s_namespace))
{
name = s_namespacePrefix + name;
}
function.Name = Constants.GetRealName(name);
function.Value.ParamName = function.Name;
if (script != null && script.StackLevel != null && !GlobalNameExists(name))
{
script.StackLevel.Variables[name] = function;
var handle = OnVariableChange;
if (handle != null)
{
handle.Invoke(function.Name, function.Value, false);
}
}
else if (s_locals.Count > StackLevelDelta && (LocalNameExists(name) || !GlobalNameExists(name)))
{
AddLocalVariable(function);
}
else
{
AddGlobal(name, function, false /* not native */);
}
}
public static bool CheckLegalName(string name, ParsingScript script = null, bool throwError = true)
{
if (string.IsNullOrWhiteSpace(name) || Constants.CheckReserved(name))
{
if (!throwError)
{
return(false);
}
Utils.ThrowErrorMsg(name + " is a reserved name.", script, name);
}
if (Char.IsDigit(name[0]) || name[0] == '-')
{
if (!throwError)
{
return(false);
}
Utils.ThrowErrorMsg(name + " has illegal first character " + name[0], null, name);
}
return(true);
}
