private UstExprs.Expression VisitTemplateLiteral(TemplateLiteral templateLiteral)
{
var elems = new Collections.List <INode>(templateLiteral.Expressions.Count + templateLiteral.Quasis.Count);
elems.AddRange(templateLiteral.Expressions);
elems.AddRange(templateLiteral.Quasis);
elems.Sort(NodeLocationComparer.Instance);
UstExprs.Expression result = null;
for (int i = 0; i < elems.Count; i++)
{
UstExprs.Expression expr;
if (elems[i] is Expression expression)
{
expr = VisitExpression(expression);
}
else
{
expr = VisitTemplateElement((TemplateElement)elems[i]);
}
var opLiteral = new UstLiterals.BinaryOperatorLiteral(UstTokens.BinaryOperator.Plus,
TextSpan.FromBounds(expr.TextSpan.End, expr.TextSpan.End));
result = result == null
? expr
: new UstExprs.BinaryOperatorExpression(result, opLiteral, expr, result.TextSpan.Union(expr.TextSpan));
}
return(result);
}
private UstExprs.ArrayCreationExpression VisitArrayExpression(ArrayExpression arrayExpression)
{
var inits = new Collections.List <UstExprs.Expression>(arrayExpression.Elements.Count);
foreach (ArrayExpressionElement element in arrayExpression.Elements)
{
UstExprs.Expression expr = null;
if (element is SpreadElement spreadElement)
{
Logger.LogDebug("Spread elements are not supported for now"); // TODO
}
else if (element is Expression expression)
{
expr = VisitExpression(expression);
}
else if (element != null)
{
Logger.LogDebug($"{element.GetType().Name} are not supported for now"); // TODO
}
inits.Add(expr);
}
return(new UstExprs.ArrayCreationExpression(null, null, inits, GetTextSpan(arrayExpression)));
}
private UstStmts.ForStatement VisitForStatement(ForStatement forStatement)
{
var initList = new Collections.List <UstStmts.Statement>(1);
if (forStatement.Init != null)
{
initList.Add(Visit(forStatement.Init).ToStatementIfRequired());
}
UstExprs.Expression condition = forStatement.Test != null
? VisitExpression(forStatement.Test)
: null;
var iteratorList = new Collections.List <UstExprs.Expression>(1);
if (forStatement.Update != null)
{
iteratorList.Add(VisitExpression(forStatement.Update));
}
var body = VisitStatement(forStatement.Body);
return(new UstStmts.ForStatement(initList, condition, iteratorList, body, GetTextSpan(forStatement)));
}
