private static string FormatInternal(string code)
{
var cSharpParser = new CSharpParser();
var expr = cSharpParser.ParseExpression(code);
if (cSharpParser.HasErrors)
{
throw new ArgumentException(string.Join(Environment.NewLine, cSharpParser.Errors.Select(e => e.ErrorType + " " + e.Message + " " + e.Region)));
}
// Wrap expression in parenthesized expression, this is necessary because the transformations
// can't replace the root node of the syntax tree
expr = new ParenthesizedExpression(expr);
// Apply transformations
new IntroduceQueryExpressions().Run(expr);
new CombineQueryExpressions().Run(expr);
new IntroduceParenthesisForNestedQueries().Run(expr);
new RemoveQueryContinuation().Run(expr);
// Unwrap expression
expr = ((ParenthesizedExpression)expr).Expression;
var format = expr.GetText(FormattingOptionsFactory.CreateAllman());
if (format.Substring(0, 3) == "\r\n\t")
{
format = format.Remove(0, 3);
}
format = format.Replace("\r\n\t", "\n");
return(format);
}
public override void VisitParenthesizedExpression(ParenthesizedExpression parenthesizedExpression)
{
var lp = parenthesizedExpression.LParToken;
var expr = parenthesizedExpression.Expression;
int extraSpaces = 0;
if (lp.StartLocation.Line == expr.StartLocation.Line)
{
ForceSpacesAfter(lp, policy.SpacesWithinParentheses);
}
else
{
extraSpaces += options.IndentSize;
curIndent.ExtraSpaces += extraSpaces;
FixIndentation(expr);
}
base.VisitParenthesizedExpression(parenthesizedExpression);
var rp = parenthesizedExpression.RParToken;
curIndent.ExtraSpaces -= extraSpaces;
if (rp.StartLocation.Line == expr.EndLocation.Line)
{
ForceSpacesBefore(rp, policy.SpacesWithinParentheses);
}
else
{
FixIndentation(rp);
}
}
bool IsSingleRangeVariable(Expression expr)
{
if (currentTransparentType.Count > 1)
{
return(false);
}
var unpacked = ParenthesizedExpression.UnpackParenthesizedExpression(expr);
return(unpacked is IdentifierExpression && ((IdentifierExpression)unpacked).Identifier == currentTransparentType[0].Item1.Name);
}
S IAstVisitor <T, S> .VisitParenthesizedExpression(ParenthesizedExpression parenthesizedExpression, T data)
{
var handler = ParenthesizedExpressionVisited;
if (handler != null)
{
handler(parenthesizedExpression, data);
}
return(VisitChildren(parenthesizedExpression, data));
}
private static AstNode IntroduceParenthesis(AstNode node)
{
for (AstNode child = node.FirstChild; child != null; child = child.NextSibling)
{
child = IntroduceParenthesis(child);
}
if (node is QueryExpression && node.Parent is QueryFromClause)
{
var parenthesizedExpression = new ParenthesizedExpression();
node.ReplaceWith(parenthesizedExpression);
parenthesizedExpression.Expression = (Expression)node;
}
return(node);
}
public override void VisitParenthesizedExpression(ParenthesizedExpression parenthesizedExpression)
{
ForceSpacesAfter(parenthesizedExpression.LParToken, policy.SpacesWithinParentheses);
ForceSpacesBefore(parenthesizedExpression.RParToken, policy.SpacesWithinParentheses);
base.VisitParenthesizedExpression(parenthesizedExpression);
}
void IAstVisitor.VisitParenthesizedExpression(ParenthesizedExpression parenthesizedExpression)
{
Visit(EnterParenthesizedExpression, LeaveParenthesizedExpression, parenthesizedExpression);
}
public virtual S VisitParenthesizedExpression(ParenthesizedExpression parenthesizedExpression, T data)
{
return(VisitChildren(parenthesizedExpression, data));
}
public override ConstantExpression VisitParenthesizedExpression(ParenthesizedExpression parenthesizedExpression, object data)
{
return(parenthesizedExpression.Expression.AcceptVisitor(this, data));
}
public virtual S VisitParenthesizedExpression(ParenthesizedExpression parenthesizedExpression, T data)
{
throw new NotImplementedException();
}