/// <summary>
/// Renders a single ReturnStatement with the given indentation
/// </summary>
/// <returns>The VHDL lines in the statement.</returns>
/// <param name="method">The method the statement belongs to.</param>
/// <param name="s">The statement to render.</param>
/// <param name="indentation">The indentation to use.</param>
private IEnumerable <string> RenderStatement(AST.Method method, AST.ReturnStatement s, int indentation)
{
if (!(s.ReturnExpression is EmptyExpression))
{
throw new Exception("Expected return expression to be empty");
}
var indent = new string(' ', indentation);
yield return($"{indent}return {method.ReturnVariable.Name};");
}
/// <summary>
/// Renders a single ReturnStatement with the given indentation
/// </summary>
/// <returns>The VHDL lines in the statement.</returns>
/// <param name="method">The method the statement belongs to.</param>
/// <param name="s">The statement to render.</param>
/// <param name="indentation">The indentation to use.</param>
private IEnumerable <string> RenderStatement(AST.Method method, AST.ReturnStatement s, int indentation)
{
var indent = new string(' ', indentation);
if (s.ReturnExpression is EmptyExpression && method != ((AST.Process)method.Parent).MainMethod)
{
yield return($"{indent}return {method.ReturnVariable.Name};");
}
else
{
yield return($"{indent}return {RenderExpression(s.ReturnExpression)};");
}
}
