internal ExpressionScope(IScopeProvider scopeProvider, ExpressionScope parent, string name, ExpressionScopeType scopeType, int depth)
{
this.scopeProvider = scopeProvider;
this.Parent = parent;
this.name = name;
this.Type = scopeType;
this.Depth = depth;
}
public ExpressionScope Get(string name, ExpressionScopeType scopeType)
{
var depth = this.Current.Depth + 1;
var scopeKey = depth + name + "_" + scopeType;
if (scopes.TryGetValue(scopeKey, out var scope))
{
return(scope);
}
return(Current = scopes[scopeKey] = new ExpressionScope(this, Current, name, scopeType, depth));
}
public void EndScope(ExpressionScope expressionScope)
{
Current = expressionScope.Parent;
}
public DefaultScopeProvider()
{
this.Current = globalScope = new ExpressionScope(this, null, GlobalScopeIdentifier, ExpressionScopeType.Global, 0);
}
