Esempio n. 1
0
        public void VisitIfStatement(IfStatementSyntax node)
        {
            if (node == null)
                throw new ArgumentNullException("node");

            node.Validate();

            bool parentIsElse = node.Parent is ElseClauseSyntax;

            if (
                parentIsElse &&
                (node.LeadingTrivia.Count > 0 || node.TrailingTrivia.Count > 0)
            ) {
                throw new CSharpSyntaxException(String.Format(
                    "Trivia on else if node '{0}' is not supported",
                    node
                ));
            }

            WriteLeadingTrivia(node);

            if (
                !_writer.Configuration.Other.Other.SpecialElseIfTreatment ||
                !parentIsElse
            )
                _writer.WriteIndent();

            _writer.WriteKeyword(PrinterKeyword.If);

            if (_writer.Configuration.Spaces.BeforeParentheses.IfParentheses)
                _writer.WriteSpace();

            _writer.WriteSyntax(Syntax.OpenParen);

            if (_writer.Configuration.Spaces.WithinParentheses.IfParentheses)
                _writer.WriteSpace();

            _wrapCompound = _writer.Configuration.LineBreaksAndWrapping.LineWrapping.ForceChopCompoundConditionInIfStatement;

            node.Condition.Accept(this);

            _wrapCompound = false;

            if (_writer.Configuration.Spaces.WithinParentheses.IfParentheses)
                _writer.WriteSpace();

            _writer.WriteSyntax(Syntax.CloseParen);

            bool noNewline =
                node.Else != null &&
                !_writer.Configuration.LineBreaksAndWrapping.PlaceOnNewLine.PlaceElseOnNewLine;

            if (noNewline)
                _writer.PushBraceFormatting(_writer.Configuration.BracesLayout.Other, false);

            VisitBlockStatement(node.Statement);

            if (noNewline)
            {
                _writer.PopBraceFormatting();
                _writer.WriteSpace();
            }
            else if (node.Else != null)
            {
                _writer.WriteIndent();
            }

            if (node.Else != null)
                node.Else.Accept(this);

            WriteTrailingTrivia(node);
        }