diff --git a/source/exceptions.tex b/source/exceptions.tex index 7d050c33c9..e15fc1cdba 100644 --- a/source/exceptions.tex +++ b/source/exceptions.tex @@ -317,6 +317,26 @@ the selected constructor is odr-used\iref{basic.def.odr} and the destructor of \tcode{T} is potentially invoked\iref{class.dtor}. +\pnum +\indextext{exception handling!uncaught}% +An exception is considered \defnx{uncaught}{uncaught exception} +after completing the initialization of the exception object +until completing the activation of a handler for the exception\iref{except.handle}. +\begin{note} +As a consequence, an exception is considered uncaught +during any stack unwinding resulting from it being thrown. +\end{note} + +\pnum +\indexlibraryglobal{uncaught_exceptions}% +If an exception is rethrown\iref{expr.throw,propagation}, +it is considered uncaught from the point of rethrow +until the rethrown exception is caught. +\begin{note} +The function \tcode{std::uncaught_exceptions}\iref{uncaught.exceptions} +returns the number of uncaught exceptions in the current thread. +\end{note} + \pnum \indextext{exception handling!rethrow}% \indextext{rethrow|see{exception handling, rethrow}}% @@ -331,7 +351,7 @@ \indextext{exception handling!terminate called@\tcode{terminate} called}% \indextext{\idxcode{terminate}!called}% If the exception handling mechanism -handling an uncaught exception\iref{except.uncaught} +handling an uncaught exception directly invokes a function that exits via an exception, the function \tcode{std::terminate} is invoked\iref{except.terminate}. \begin{example} @@ -1003,8 +1023,10 @@ The function \tcode{std::terminate}\iref{except.terminate} is used by the exception handling mechanism for coping with errors related to the exception handling -mechanism itself. The function -\tcode{std::current_exception()}\iref{propagation} and the class +mechanism itself. +The function \tcode{std::uncaught_exceptions}\iref{uncaught.exceptions} +reports how many exceptions are uncaught in the current thread. +The function \tcode{std::current_exception}\iref{propagation} and the class \tcode{std::nested_exception}\iref{except.nested} can be used by a program to capture the currently handled exception. @@ -1127,21 +1149,4 @@ prematurely based on a determination that the unwind process will eventually cause an invocation of the function \tcode{std::terminate}. - -\rSec2[except.uncaught]{The \tcode{std::uncaught_exceptions} function}% -\indexlibraryglobal{uncaught_exceptions} - -\pnum -An exception is considered uncaught -after completing the initialization of the exception object\iref{except.throw} -until completing the activation of a handler for the exception\iref{except.handle}. -\begin{note} -As a consequence, an exception is considered uncaught -during any stack unwinding resulting from it being thrown. -\end{note} -If an exception is rethrown\iref{expr.throw,propagation}, -it is considered uncaught from the point of rethrow -until the rethrown exception is caught. -The function \tcode{std::uncaught_exceptions}\iref{uncaught.exceptions} -returns the number of uncaught exceptions in the current thread.% \indextext{exception handling|)} diff --git a/source/support.tex b/source/support.tex index 28c15ac913..c8e0d789ae 100644 --- a/source/support.tex +++ b/source/support.tex @@ -4013,7 +4013,7 @@ \begin{itemdescr} \pnum \returns -The number of uncaught exceptions\iref{except.uncaught}. +The number of uncaught exceptions\iref{except.throw} in the current thread. \pnum \remarks diff --git a/source/xrefdelta.tex b/source/xrefdelta.tex index a2d81a3c39..c970ddbce9 100644 --- a/source/xrefdelta.tex +++ b/source/xrefdelta.tex @@ -95,6 +95,9 @@ \movedxref{stoptoken.cons}{stopsource} \movedxref{stoptoken.nonmembers}{stopsource} +% https://github.com/cplusplus/draft/pull/7276 +\movedxref{except.uncaught}{except.throw} + % https://github.com/cplusplus/draft/pull/7345 \movedxref{basic.stc.inherit}{basic.stc.general}