/// <summary>
/// Gets the value for the specified global variable from the current object context/scope.
/// </summary>
/// <param name="variable">The variable to retrieve the value</param>
/// <returns>Value of the variable</returns>
public object GetValue(ScriptVariableGlobal variable)
{
if (variable == null)
{
throw new ArgumentNullException(nameof(variable));
}
object value = null;
var count = _globalStores.Count;
var items = _globalStores.Items;
for (int i = count - 1; i >= 0; i--)
{
if (items[i].TryGetValue(this, variable.Span, variable.Name, out value))
{
return(value);
}
}
bool found = false;
if (TryGetVariable != null)
{
if (TryGetVariable(this, variable.Span, variable, out value))
{
found = true;
}
}
if (StrictVariables && !found)
{
throw new ScriptRuntimeException(variable.Span, $"The variable `{variable}` was not found");
}
return(value);
}
/// <summary>
/// Builds a script expression to get a parent object
/// </summary>
/// <param name="callHierarchy">Call hierarchy</param>
/// <returns>Script expression</returns>
private ScriptNode BuildParentObjectValueScriptExpression(List <string> callHierarchy)
{
ScriptNode parentObjectExpression = null;
if (callHierarchy.Count == 2)
{
parentObjectExpression = new ScriptVariableGlobal(callHierarchy[callHierarchy.Count - 2]);
}
else
{
ScriptExpressionStatement statement = new ScriptExpressionStatement();
ScriptMemberExpression curMemberExpression = new ScriptMemberExpression();
statement.Expression = curMemberExpression;
for (int curHierarchEntry = callHierarchy.Count - 2; curHierarchEntry >= 0; --curHierarchEntry)
{
curMemberExpression.Member = new ScriptVariableGlobal(callHierarchy[curHierarchEntry]);
if (curHierarchEntry > 1)
{
ScriptMemberExpression nextMemberExpression = new ScriptMemberExpression();
curMemberExpression.Target = nextMemberExpression;
curMemberExpression = nextMemberExpression;
}
else
{
curMemberExpression.Target = new ScriptVariableGlobal(callHierarchy[0]);
break;
}
}
parentObjectExpression = statement;
}
return(parentObjectExpression);
}
public object GetValue(ScriptVariableGlobal variable)
{
if (variable == null)
{
throw new ArgumentNullException(nameof(variable));
}
object value = null;
{
var count = _globalContexts.Count;
var items = _globalContexts.Items;
var isInLoop = IsInLoop;
for (int i = count - 1; i >= 0; i--)
{
var context = items[i];
// Check loop variable first
if (isInLoop)
{
var loopCount = context.Loops.Count;
if (loopCount > 0)
{
var loopItems = context.Loops.Items;
for (int j = loopCount - 1; j >= 0; j--)
{
if (loopItems[j].TryGetValue(this, variable.Span, variable.Name, out value))
{
return(value);
}
}
}
}
if (items[i].LocalObject.TryGetValue(this, variable.Span, variable.Name, out value))
{
return(value);
}
}
}
bool found = false;
if (TryGetVariable != null)
{
if (TryGetVariable(this, variable.Span, variable, out value))
{
found = true;
}
}
CheckVariableFound(variable, found);
return(value);
}
public object GetValue(ScriptVariableGlobal variable)
{
if (variable == null)
{
throw new ArgumentNullException(nameof(variable));
}
object value = null;
if (IsInLoop)
{
var count = _currentLocalContext.Loops.Count;
var items = _currentLocalContext.Loops.Items;
for (int i = count - 1; i >= 0; i--)
{
if (items[i].TryGetValue(this, variable.Span, variable.Name, out value))
{
return(value);
}
}
}
{
var count = _globalStores.Count;
var items = _globalStores.Items;
for (int i = count - 1; i >= 0; i--)
{
if (items[i].TryGetValue(this, variable.Span, variable.Name, out value))
{
return(value);
}
}
}
bool found = false;
if (TryGetVariable != null)
{
if (TryGetVariable(this, variable.Span, variable, out value))
{
found = true;
}
}
CheckVariableFound(variable, found);
return(value);
}
/// <summary>
/// Gets the value for the specified global variable from the current object context/scope.
/// </summary>
/// <param name="variable">The variable to retrieve the value</param>
/// <returns>Value of the variable</returns>
public object GetValue(ScriptVariableGlobal variable)
{
if (variable == null)
{
throw new ArgumentNullException(nameof(variable));
}
object value = null;
int count = _globalStores.Count;
IScriptObject[] items = _globalStores.Items;
for (int i = count - 1; i >= 0; i--)
{
if (items[i].TryGetValue(this, variable.Span, variable.Name, out value))
{
return(value);
}
}
bool found = false;
if (TryGetVariable != null)
{
if (TryGetVariable(this, variable.Span, variable, out value))
{
found = true;
}
}
if (StrictVariables && !found)
{
throw new ScriptRuntimeException(variable.Span, string.Format(RS.VariableNotFound, variable));
}
return(value);
}
public ValueTask <object> GetValueAsync(ScriptVariableGlobal variable)
{
return(new ValueTask <object>(GetValue(variable)));
}
