/// <summary>
/// Parse an array expression, and turn it into a loop. Use indexName as the loop variable. Bomb if we can't do it. If you hand in null we will make up our own.
/// </summary>
/// <param name="query">The query that this loop is associated with.</param>
/// <param name="expr">The expression that evaluates to an array.</param>
/// <param name="gc"></param>
/// <param name="cc"></param>
/// <param name="container"></param>
public static IVariableScopeHolder ParseArrayExpression(IQuerySource query, Expression expr, IGeneratedQueryCode gc, ICodeContext cc, CompositionContainer container)
{
if (_parser == null)
{
_parser = new ArrayExpressionParser();
container.SatisfyImportsOnce(_parser);
}
var result = _parser.GetIArrayInfo(expr, gc, cc, container);
if (result == null)
throw new InvalidOperationException($"Can't figure out how to loop over this array: '{expr.ToString()}' (expression: '{expr.NodeType}', type: '{expr.Type.FullyQualifiedName()}')");
//
// Turn it into code - any code that we need.
//
return result.CodeLoopOverArrayInfo(query, gc, cc, container);
}
/// <summary>
/// Parse an array expression, and turn it into a loop. Use indexName as the loop variable. Bomb if we can't do it. If you hand in null we will make up our own.
/// </summary>
/// <param name="query">The query that this loop is associated with.</param>
/// <param name="expr">The expression that evaluates to an array.</param>
/// <param name="gc"></param>
/// <param name="cc"></param>
/// <param name="container"></param>
public static IVariableScopeHolder ParseArrayExpression(IQuerySource query, Expression expr, IGeneratedQueryCode gc, ICodeContext cc, CompositionContainer container)
{
if (_parser == null)
{
_parser = new ArrayExpressionParser();
container.SatisfyImportsOnce(_parser);
}
var result = _parser.GetIArrayInfo(expr, gc, cc, container);
if (result == null)
{
throw new InvalidOperationException($"Can't figure out how to loop over this array: '{expr.ToString()}' (expression: '{expr.NodeType}', type: '{expr.Type.FullyQualifiedName()}')");
}
//
// Turn it into code - any code that we need.
//
return(result.CodeLoopOverArrayInfo(query, gc, cc, container));
}
/// <summary>
/// Used for testing - allows one to reset everything.
/// </summary>
internal static void ResetParser()
{
_parser = null;
}
/// <summary>
/// Used for testing - allows one to reset everything.
/// </summary>
internal static void ResetParser()
{
_parser = null;
}
