public JsStatement VisitGotoStateStatement(JsGotoStateStatement statement, object data)
{
var result = new List <JsStatement>();
State targetState;
if (statement.TargetState == null)
{
if (!_labelStates.TryGetValue(statement.TargetLabel, out targetState))
{
throw new InvalidOperationException("The label " + statement.TargetLabel + " does not exist.");
}
}
else
{
targetState = statement.TargetState.Value;
}
var remaining = statement.CurrentState.FinallyStack;
JsStatement finallyExecutionStatement = null;
for (int i = 0, n = remaining.Count() - targetState.FinallyStack.Count(); i < n; i++)
{
var current = remaining.Peek();
remaining = remaining.Pop();
var block = JsStatement.BlockMerged(
JsExpression.Assign(JsExpression.Identifier(_stateVariableName), JsExpression.Number(remaining.IsEmpty ? -1 : remaining.Peek().Item1)),
JsExpression.Invocation(JsExpression.Member(JsExpression.Identifier(current.Item2), "call"), JsExpression.This)
);
if (finallyExecutionStatement == null)
{
finallyExecutionStatement = block;
}
else
{
finallyExecutionStatement = JsStatement.Try(finallyExecutionStatement, null, block);
}
}
if (finallyExecutionStatement != null)
{
result.Add(finallyExecutionStatement);
}
result.Add(MakeSetNextStateStatement(targetState.StateValue));
result.Add(targetState.StateValue == -1 ? (JsStatement)JsStatement.Break(targetState.LoopLabelName) : JsStatement.Continue(targetState.LoopLabelName));
return(JsStatement.BlockMerged(result));
}
public void ContinueStatementIsCorrectlyOutput()
{
AssertCorrect(JsStatement.Continue(), "continue;\n");
AssertCorrect(JsStatement.Continue("someLabel"), "continue someLabel;\n");
}
