protected void VisitTryCatchStatement()
{
var visitor = new ReturnSearchVisitor();
this.TryCatchStatement.AcceptVisitor(visitor);
bool hasRet = visitor.Found;
if (hasRet)
{
this.WriteReturn(true);
}
this.Write("System.try");
this.WriteOpenParentheses();
this.EmitTryBlock();
var count = this.TryCatchStatement.CatchClauses.Count;
if (count > 0)
{
this.EmitCatchBlock();
}
else
{
this.Write("nil, ");
}
this.EmitFinallyBlock();
}
private void EmitUsing(AstNode expression, IEnumerable <AstNode> inner)
{
var visitor = new ReturnSearchVisitor();
this.UsingStatement.EmbeddedStatement.AcceptVisitor(visitor);
bool hasRet = visitor.Found;
VariableInitializer variableInitializer = expression as VariableInitializer;
if (variableInitializer != null)
{
if (hasRet)
{
this.WriteReturn(true);
}
this.Write("System.using");
this.WriteOpenParentheses();
variableInitializer.Initializer.AcceptVisitor(this.Emitter);
this.WriteComma();
this.WriteFunction();
this.WriteOpenParentheses();
this.Write(variableInitializer.Name);
}
else
{
AssignmentExpression assignmentExpression = (AssignmentExpression)expression;
assignmentExpression.AcceptVisitor(this.Emitter);
this.WriteNewLine();
if (hasRet)
{
this.WriteReturn(true);
}
this.Write("System.using");
this.WriteOpenParentheses();
assignmentExpression.Left.AcceptVisitor(this.Emitter);
this.WriteComma();
this.WriteFunction();
this.WriteOpenParentheses();
assignmentExpression.Left.AcceptVisitor(this.Emitter);
}
this.WriteCloseParentheses();
this.BeginFunctionBlock();
this.UsingStatement.EmbeddedStatement.AcceptVisitor(this.Emitter);
this.EndFunctionBlock();
this.WriteCloseParentheses();
this.WriteNewLine();
}