public override void VisitCaseSwitchLabel(CaseSwitchLabelSyntax node)
{
var lastWhen = LastWhen as ApexWhenExpressionsClauseSyntax ?? new ApexWhenExpressionsClauseSyntax();
var expression = ConvertExpression(node.Value);
lastWhen.Expressions.Add(expression);
LastWhen = lastWhen;
}
public override void VisitCasePatternSwitchLabel(CasePatternSwitchLabelSyntax node)
{
var lastWhen = new ApexWhenTypeClauseSyntax();
var pattern = node.Pattern as DeclarationPatternSyntax;
var type = pattern?.Type;
var designation = pattern?.Designation as SingleVariableDesignationSyntax;
if (pattern == null || type == null || designation == null)
{
throw new InvalidOperationException("Unsupported switch pattern format. " +
"Case type variable is expected.");
}
lastWhen.Type = ConvertType(type);
lastWhen.Identifier = designation.Identifier.ValueText;
LastWhen = lastWhen;
}
public override void VisitSwitchSection(SwitchSectionSyntax node)
{
// switch label should initialize the LastWhen clause
LastWhen = null;
foreach (var label in node.Labels.EmptyIfNull())
{
label.Accept(this);
}
// no labels per swith section? looks like the source file is broken
if (LastWhen == null)
{
throw new InvalidOperationException("Unsupported switch section format. " +
"Case expression, pattern or default label is expected.");
}
var lastWhen = LastWhen;
lastWhen.LeadingComments = GetLeadingAndNoApexComments(node);
lastWhen.Block = new ApexBlockSyntax();
foreach (var stmt in node.Statements.EmptyIfNull())
{
stmt.Accept(this);
if (LastStatement != null)
{
lastWhen.Block.Statements.Add(LastStatement);
LastStatement = null;
}
}
// remove C#'s break statement from the block keeping its trailing comments
if (lastWhen.Block.Statements.LastOrDefault() is ApexBreakStatementSyntax @break)
{
lastWhen.Block.Statements.Remove(@break);
lastWhen.Block.TrailingComments = @break.TrailingComments;
}
LastWhen = lastWhen;
}
public override void VisitDefaultSwitchLabel(DefaultSwitchLabelSyntax node)
{
LastWhen = new ApexWhenElseClauseSyntax();
}
