protected TryStatementImpl(LexicalInfo lexicalInfo, Block successBlock, Block ensureBlock) : base(lexicalInfo)
{
ProtectedBlock = new Block();
_exceptionHandlers = new ExceptionHandlerCollection(this);
SuccessBlock = successBlock;
EnsureBlock = ensureBlock;
}
public MessageCollection CheckMethod(MethodDefinition methodDefinition, Runner runner)
{
MessageCollection messageCollection = new MessageCollection();
if (methodDefinition.HasBody)
{
ExceptionHandlerCollection exceptionHandlerCollection = methodDefinition.Body.ExceptionHandlers;
foreach (ExceptionHandler exceptionHandler in exceptionHandlerCollection)
{
if (exceptionHandler.Type == ExceptionHandlerType.Catch)
{
string catchTypeName = exceptionHandler.CatchType.FullName;
if (IsForbiddenTypeInCatches(catchTypeName))
{
if (!ThrowsGeneralException(exceptionHandler))
{
Location location = new Location(methodDefinition.Name, methodDefinition.Name, exceptionHandler.HandlerStart.Offset);
Message message = new Message("Do not swallow errors catching nonspecific exceptions.", location, MessageType.Error);
messageCollection.Add(message);
}
}
}
}
}
if (messageCollection.Count == 0)
{
return(null);
}
return(messageCollection);
}
protected TryStatementImpl(Block successBlock, Block ensureBlock)
{
ProtectedBlock = new Block();
_exceptionHandlers = new ExceptionHandlerCollection(this);
SuccessBlock = successBlock;
EnsureBlock = ensureBlock;
}
void CheckExceptionHandlers(ExceptionHandlerCollection handlers)
{
for (int i = 1; i < handlers.Count; ++i)
{
ExceptionHandler handler = handlers[i];
for (int j = i - 1; j >= 0; --j)
{
ExceptionHandler previous = handlers[j];
IType handlerType = handler.Declaration.Type.Entity as IType;
IType previousType = previous.Declaration.Type.Entity as IType;
if (null == handlerType || null == previousType)
{
continue;
}
if ((handlerType == previousType && null == previous.FilterCondition) ||
handlerType.IsSubclassOf(previousType))
{
Error(CompilerErrorFactory.ExceptionAlreadyHandled(
handler, previous));
break;
}
}
}
}
public void VisitExceptionHandlerCollection(ExceptionHandlerCollection seh)
{
foreach (ExceptionHandler eh in seh)
{
eh.Accept(this);
}
}
public override void VisitExceptionHandlerCollection(ExceptionHandlerCollection seh)
{
for (int i = 0; i < seh.Count; i++)
{
VisitExceptionHandler(seh[i]);
}
}
void MarkBlockStarts(ExceptionHandlerCollection handlers)
{
for (int i = 0; i < handlers.Count; i++)
{
var handler = handlers [i];
MarkBlockStart(handler.TryStart);
MarkBlockStart(handler.HandlerStart);
if (handler.Type == ExceptionHandlerType.Filter)
{
MarkExceptionObjectPosition(handler.FilterStart);
MarkBlockStart(handler.FilterStart);
}
else if (handler.Type == ExceptionHandlerType.Catch)
{
MarkExceptionObjectPosition(handler.HandlerStart);
}
}
}
protected PlSqlBlockStatement(SerializationInfo info, StreamingContext context)
: base(info, context)
{
Declarations = new DeclarationCollection();
ExceptionHandlers = new ExceptionHandlerCollection();
var decls = (SqlStatement[])info.GetValue("Declarations", typeof(SqlStatement[]));
foreach (var statement in decls)
{
Declarations.Add(statement);
}
var handlers = (ExceptionHandler[])info.GetValue("ExceptionHandlers", typeof(ExceptionHandler[]));
foreach (var handler in handlers)
{
ExceptionHandlers.Add(handler);
}
}
private void MarkExceptionHandlers(ExceptionHandlerCollection exceptionHandlers)
{
foreach (ExceptionHandler exceptionHandler in exceptionHandlers)
{
AddActionAfter(exceptionHandler.TryStart, delegate
{
generator.BeginExceptionBlock();
});
if (exceptionHandler.Type == ExceptionHandlerType.Filter)
{
AddActionAfter(exceptionHandler.FilterStart, delegate
{
generator.BeginExceptFilterBlock();
});
}
AddActionAfter(exceptionHandler.HandlerStart, delegate
{
switch (exceptionHandler.Type)
{
case ExceptionHandlerType.Catch:
generator.BeginCatchBlock(outer.ResolveType(exceptionHandler.CatchType));
break;
case ExceptionHandlerType.Fault:
generator.BeginFaultBlock();
break;
case ExceptionHandlerType.Finally:
generator.BeginFinallyBlock();
break;
}
});
AddActionBefore(exceptionHandler.HandlerEnd, delegate
{
generator.EndExceptionBlock();
});
}
}
public static bool Compare(this ExceptionHandlerCollection source, ExceptionHandlerCollection n, Func <ExceptionHandler, ExceptionHandler, bool> checkitem)
{
return(Compare <ExceptionHandler>(source, n, checkitem));
}
protected TryStatementImpl()
{
ProtectedBlock = new Block();
_exceptionHandlers = new ExceptionHandlerCollection(this);
}
public virtual IExceptionHandlerCollection TransformExceptionHandlerCollection(IExceptionHandlerCollection value)
{
IExceptionHandler[] array = new IExceptionHandler[value.Count];
for (int i = 0; i < value.Count; i++)
{
array[i] = this.TransformExceptionHandler(value[i]);
}
IExceptionHandlerCollection target = new ExceptionHandlerCollection();
target.AddRange(array);
return target;
}
protected TryStatementImpl(LexicalInfo lexicalInfo) : base(lexicalInfo)
{
ProtectedBlock = new Block();
_exceptionHandlers = new ExceptionHandlerCollection(this);
}
public static bool Compare(this ExceptionHandlerCollection source, ExceptionHandlerCollection n, Func<ExceptionHandler, ExceptionHandler, Action<string, string>, bool> checkitem, Action<string, string> errAct)
{
return Compare<ExceptionHandler>(source,n,checkitem,errAct);
}
public static bool Compare(this ExceptionHandlerCollection source, ExceptionHandlerCollection n, Func<ExceptionHandler, ExceptionHandler, bool> checkitem)
{
return Compare<ExceptionHandler>(source,n,checkitem);
}
public static bool Compare(this ExceptionHandlerCollection source, ExceptionHandlerCollection n)
{
return(Compare <ExceptionHandler>(source, n));
}
public virtual void VisitExceptionHandlerCollection(ExceptionHandlerCollection seh)
{
}
public virtual void VisitExceptionHandlerCollection (ExceptionHandlerCollection seh)
{
}
public static bool Compare(this ExceptionHandlerCollection source, ExceptionHandlerCollection n, Func <ExceptionHandler, ExceptionHandler, Action <string, string>, bool> checkitem, Action <string, string> errAct)
{
return(Compare <ExceptionHandler>(source, n, checkitem, errAct));
}
public static bool Compare(this ExceptionHandlerCollection source, ExceptionHandlerCollection n)
{
return Compare<ExceptionHandler>(source,n);
}
public PlSqlBlockStatement()
{
Declarations = new DeclarationCollection();
ExceptionHandlers = new ExceptionHandlerCollection();
}
