public override void Execute(ScriptRuntimeContext context)
{
if (context.VariableExists(identifier))
{
//You cannot declare a local variable to shadow an existing global
throw new ScriptRuntimeException($"Variable already declared in this context: {identifier}");
}
object defaultValue;
if (initializer == null)
{
defaultValue = valueType.GetDefaultValue();
}
else
{
defaultValue = initializer.GetAs <object>(context);
if (!valueType.IsAssignableFrom(initializer.GetValueType()))
{
defaultValue = Convert.ChangeType(defaultValue, valueType);
}
}
context.DeclareVariable(identifier, valueType, defaultValue);
}
public override void Execute(ScriptRuntimeContext context)
{
if (context.VariableExists(identifier))
{
throw new ScriptRuntimeException($"Variable already declared in this context: {identifier}");
}
if (context.GlobalVariableExists(identifier))
{
//Adding an indirect reference to the existing variable
context.DeclareExistingGlobal(identifier, valueType);
//Not running initialization because it exists
return;
}
if (IsExtern)
{
throw new ScriptRuntimeException($"Extern Variable does not already exist: {identifier}");
}
object defaultValue;
if (initializer == null)
{
defaultValue = valueType.GetDefaultValue();
}
else
{
defaultValue = initializer.GetAs <object>(context);
if (!valueType.IsAssignableFrom(initializer.GetValueType()))
{
defaultValue = Convert.ChangeType(defaultValue, valueType);
}
}
context.DeclareNewGlobal(identifier, valueType, defaultValue);
}