private SwitchElement[] ResolveElements(ParseInfo parseInfo, Scope scope, DeltinScriptParser.SwitchContext switchContext)
{
List <SwitchElement> elements = new List <SwitchElement>();
bool inSection = false;
bool caseError = false;
bool gotDefault = false;
// Resolve paths.
foreach (var switchElement in switchContext.switch_element())
{
// Syntax error if there is a statement before a case.
if (switchElement.statement() != null && !inSection && !caseError)
{
parseInfo.Script.Diagnostics.Error("Expected case or default.", DocRange.GetRange(switchElement));
caseError = true;
}
// Don't throw the syntax error multiple times in one switch.
if (switchElement.DEFAULT() != null || switchElement.@case() != null)
{
inSection = true;
}
// Default case.
if (switchElement.DEFAULT() != null)
{
if (gotDefault)
{
parseInfo.Script.Diagnostics.Error("Switch cannot have multiple defaults.", DocRange.GetRange(switchElement));
}
gotDefault = true;
}
// Get the statement
if (switchElement.statement() != null)
{
elements.Add(new SwitchElement(DeltinScript.GetStatement(parseInfo, scope, switchElement.statement())));
}
// Get the case
else if (switchElement.@case() != null)
{
elements.Add(new SwitchElement(DocRange.GetRange(switchElement.@case().CASE()), DeltinScript.GetExpression(parseInfo, scope, switchElement.@case().expr())));
}
// Get default
else if (switchElement.DEFAULT() != null)
{
elements.Add(new SwitchElement(DocRange.GetRange(switchElement.DEFAULT())));
}
}
return(elements.ToArray());
}
public BlockAction(ParseInfo parseInfo, Scope scope, DeltinScriptParser.S_blockContext blockContext)
{
Scope blockScope = scope.Child();
if (blockContext.statement() == null)
{
Statements = new IStatement[0];
}
else
{
Statements = new IStatement[blockContext.statement().Length];
for (int i = 0; i < Statements.Length; i++)
{
Statements[i] = DeltinScript.GetStatement(parseInfo, blockScope, blockContext.statement(i));
}
}
parseInfo.Script.AddCompletionRange(new CompletionRange(blockScope, DocRange.GetRange(blockContext.BLOCK_START(), blockContext.BLOCK_END()), CompletionRangeKind.Catch));
}