public override ScopeInfo OpenScope(
ScopeType scopeType,
Microsoft.Cci.ITypeReference exceptionType,
ExceptionHandlerScope currentExceptionHandler
)
{
Debug.Assert(
((_handlers.Count == 0) && (scopeType == ScopeType.Try)) ||
(
(_handlers.Count > 0) &&
(
(scopeType == ScopeType.Catch) ||
(scopeType == ScopeType.Filter) ||
(scopeType == ScopeType.Finally) ||
(scopeType == ScopeType.Fault)
)
)
);
Debug.Assert(currentExceptionHandler == _containingHandler);
var handler = new ExceptionHandlerScope(this, scopeType, exceptionType);
_handlers.Add(handler);
return(handler);
}
public ExceptionHandlerScope(ExceptionHandlerContainerScope containingScope, ScopeType type, Microsoft.Cci.ITypeReference exceptionType)
{
Debug.Assert((type == ScopeType.Try) || (type == ScopeType.Catch) || (type == ScopeType.Filter) || (type == ScopeType.Finally) || (type == ScopeType.Fault));
Debug.Assert((type == ScopeType.Catch) == (exceptionType != null));
_containingScope = containingScope;
_type = type;
_exceptionType = exceptionType;
}
public virtual ScopeInfo OpenScope(ScopeType scopeType,
Microsoft.Cci.ITypeReference exceptionType,
ExceptionHandlerScope currentHandler)
{
if (scopeType == ScopeType.TryCatchFinally)
{
return(new ExceptionHandlerContainerScope(currentHandler));
}
else
{
Debug.Assert(scopeType == ScopeType.Variable || scopeType == ScopeType.StateMachineVariable);
return(new LocalScopeInfo());
}
}
internal ScopeInfo OpenScope(ScopeType scopeType, Microsoft.Cci.ITypeReference exceptionType)
{
var scope = CurrentScope.OpenScope(scopeType, exceptionType, _enclosingExceptionHandler);
_scopes.Push(scope);
if (scope.IsExceptionHandler)
{
_enclosingExceptionHandler = (ExceptionHandlerScope)scope;
}
Debug.Assert(_enclosingExceptionHandler == GetEnclosingExceptionHandler());
return(scope);
}
public override ScopeInfo OpenScope(
ScopeType scopeType,
Microsoft.Cci.ITypeReference exceptionType,
ExceptionHandlerScope currentExceptionHandler)
{
var scope = base.OpenScope(scopeType, exceptionType, currentExceptionHandler);
if (NestedScopes == null)
{
NestedScopes = ImmutableArray.CreateBuilder <ScopeInfo>(1);
}
NestedScopes.Add(scope);
return(scope);
}