public virtual CatchClauseAst VisitCatchClause(CatchClauseAst catchClauseAst)
{
return(new CatchClauseAst(
catchClauseAst.Extent,
catchClauseAst.CatchTypes?.RewriteAll <TypeConstraintAst>(this, SyntaxKind.TypeConstraint),
catchClauseAst.Body.Rewrite(this, SyntaxKind.StatementBlock)));
}
public object VisitCatchClause(CatchClauseAst catchClauseAst)
{
var catchTypes = VisitAst(catchClauseAst.CatchTypes);
var body = VisitAst(catchClauseAst.Body);
return(new CatchClauseAst(catchClauseAst.Extent, catchTypes, body));
}
public static CatchClauseAst Update(
this CatchClauseAst ast,
IEnumerable <TypeConstraintAst> catchTypes = null,
IEnumerable <StatementAst> statements = null)
{
return(new CatchClauseAst(
ast.Extent,
catchTypes?.CloneAll() ?? ast.CatchTypes?.CloneAll(),
ast.Body?.Update(statements)));
}
public override object VisitCatchClause(CatchClauseAst catchClauseAst)
{
script_.Write("catch");
if (catchClauseAst.CatchTypes.Count > 0)
{
script_.Write(" ");
script_.Write(string.Join(",", "[" + catchClauseAst.CatchTypes + "]"));
}
script_.Write("{");
VisitElement(catchClauseAst.Body);
script_.Write("}");
return(catchClauseAst);
}
public override AstVisitAction VisitCatchClause(CatchClauseAst catchClauseAst)
{
var exceptionText = "";
if (!catchClauseAst.IsCatchAll)
{
exceptionText = $"of type '{string.Join("', '", catchClauseAst.CatchTypes.Select(c => c.TypeName.Name))}' ";
}
explanations.Add(
new Explanation()
{
CommandName = $"Catch block, belongs to Try statement",
HelpResult = HelpTableQuery("about_try_catch_finally"),
Description = $"Executed when an exception {exceptionText}is thrown in the Try {{}} block.",
TextToHighlight = "catch"
}.AddDefaults(catchClauseAst, explanations));
return(AstVisitAction.Continue);
}
/// <summary>
/// AnalyzeScript: Analyze the script to check if any empty catch block is used.
/// </summary>
public IEnumerable <DiagnosticRecord> AnalyzeScript(Ast ast, string fileName)
{
if (ast == null)
{
throw new ArgumentNullException(Strings.NullAstErrorMessage);
}
// Finds all CommandAsts.
IEnumerable <Ast> foundAsts = ast.FindAll(testAst => testAst is CatchClauseAst, true);
// Iterates all CatchClauseAst and check the statements count.
foreach (Ast foundAst in foundAsts)
{
CatchClauseAst catchAst = (CatchClauseAst)foundAst;
if (catchAst.Body.Statements.Count == 0)
{
yield return(new DiagnosticRecord(string.Format(CultureInfo.CurrentCulture, Strings.AvoidEmptyCatchBlockError),
catchAst.Extent, GetName(), DiagnosticSeverity.Warning, fileName));
}
}
}
public override AstVisitAction VisitCatchClause(CatchClauseAst catchClauseAst)
{
var body = VisitSyntaxNode(catchClauseAst.Body);
var block = body as Block;
if (block == null)
{
block = new Block(body);
}
var type = catchClauseAst.CatchTypes.FirstOrDefault();
CatchDeclaration declaration = null;
if (type != null)
{
var myType = type.TypeName.Name;
declaration = new CatchDeclaration(myType.ToString(), null);
}
_currentNode = new Catch(declaration, block);
return(AstVisitAction.SkipChildren);
}
/// <summary/> public virtual AstVisitAction VisitCatchClause(CatchClauseAst catchClauseAst) => DefaultVisit(catchClauseAst);
public override AstVisitAction VisitCatchClause(CatchClauseAst catchClauseAst)
{
throw new NotImplementedException(); //VisitCatchClause(catchClauseAst);
}
public object VisitCatchClause(CatchClauseAst catchClauseAst)
{
throw PSTraceSource.NewArgumentException("ast");
}
public override AstVisitAction VisitCatchClause(CatchClauseAst catchClauseAst)
{
return(Visit(catchClauseAst));
}
public override CatchClauseAst VisitCatchClause(CatchClauseAst catchClauseAst) => VisitOther(base.VisitCatchClause(catchClauseAst));
public virtual TResult VisitCatchClause(CatchClauseAst catchClauseAst) => default(TResult);
// TryStatementAst Extension Methods
// New Methods Available:
// - CreateNodeFromAST(NodeDepth, NodePosition) => Creates a Node
// - CreateChildNodes ($item in $collection) {} => Creates Child Nodes
public static CatchNode CreateNodeFromAst(this CatchClauseAst _ast, int _depth, int _position, Node _parent)
{
return(new CatchNode(_ast, _depth, _position, _parent));
}
object ICustomAstVisitor.VisitCatchClause(CatchClauseAst catchClauseAst) => VisitCatchClause(catchClauseAst);
public object VisitCatchClause(CatchClauseAst catchClauseAst)
{
Console.WriteLine("Visited an CatchClauseAst.");
return(catchClauseAst);
}
public object VisitCatchClause(CatchClauseAst catchClauseAst) => null;
object ICustomAstVisitor.VisitCatchClause(CatchClauseAst catchClauseAst) => ProcessRewriter(VisitCatchClause, catchClauseAst);
public object VisitCatchClause(CatchClauseAst catchClauseAst)
{
throw new UnexpectedElementException();
}
public object VisitCatchClause(CatchClauseAst catchClauseAst)
{
throw new NotImplementedException();
}
public override AstVisitAction VisitCatchClause(CatchClauseAst ast)
{
return(AstVisitAction.Continue);
}
public override AstVisitAction VisitCatchClause(CatchClauseAst catchClauseAst)
{
Console.WriteLine("Visited an CatchClauseAst.");
Console.WriteLine(" " + catchClauseAst.ToString().Replace(Environment.NewLine, Environment.NewLine + " "));
return(AstVisitAction.Continue);
}
public virtual object VisitCatchClause(CatchClauseAst catchClauseAst)
{
VisitElement(catchClauseAst.Body);
return(catchClauseAst);
}
public object VisitCatchClause(CatchClauseAst catchClauseAst)
{
var newBody = VisitElement(catchClauseAst.Body);
return(new CatchClauseAst(catchClauseAst.Extent, catchClauseAst.CatchTypes, newBody));
}
public override AstVisitAction VisitCatchClause(CatchClauseAst ast)
{
return(Check(ast));
}
public object VisitCatchClause(CatchClauseAst catchClauseAst)
{
return(false);
}
public override AstVisitAction VisitCatchClause(CatchClauseAst ast)
{
return(DoNextAction(ast));
}
public static IEnumerable <Ast> GetChildAst(this CatchClauseAst _ast)
{
return(_ast.Body.FindAll(Args => Args is Ast && Args.Parent == _ast.Body, false));
}
public override AstVisitAction VisitCatchClause(CatchClauseAst catchClauseAst) => VisitAst(catchClauseAst);
