/// <summary>
/// Set the value of the given global variable.
/// </summary>
/// <param name="name">Name of the global variable.</param>
/// <param name="value">New value of the global variable.</param>
/// <returns>True if the variable exists, otherwise false.</returns>
public bool SetGlobal(string name, object value)
{
GlobalVariableBinding binding = this.GlobalScope.GetGlobalVariableBinding(name);
if (binding == null)
{
return(false);
}
binding.Value = value;
return(true);
}
public bool TrySetGlobal(Symbol name, object value)
{
GlobalVariableBinding binding = this.Runtime.GlobalScope.GetGlobalVariableBinding(name);
if ((binding == null) || binding.IsConstantBinding)
{
return(false);
}
binding.Value = value;
return(true);
}
public static GlobalVariableBinding AddGlobalVariableBinding(SmalltalkRuntime runtime, SmalltalkNameScope scope, string name)
{
if (runtime == null)
{
throw new ArgumentNullException("runtime");
}
if (scope == null)
{
throw new ArgumentNullException("scope");
}
if (name == null)
{
throw new ArgumentNullException("name");
}
Symbol symbol = runtime.GetSymbol(name);
GlobalVariableBinding binding = new GlobalVariableBinding(symbol);
scope.GlobalVariables.Add(binding);
return(binding);
}
void ISmalltalkNameScopeVisitor.Visit(GlobalVariableBinding binding)
{
this.Generators.Add(new GlobalVariableGenerator(this.Compiler, binding));
}
void IInstallerContext.AddGlobalVariableBinding(GlobalVariableBinding binding)
{
this.NameScope.GlobalVariables.Add(binding);
}
void IDefinitionInstallerContext.AddGlobalVariableBinding(GlobalVariableBinding binding)
{
this.NameScope.GlobalVariables.Add(binding);
}