ceph/src/civetweb/src/third_party/duktape-1.8.0/src-separate/duk_error_longjmp.c

   1 /*
   2  *  Do a longjmp call, calling the fatal error handler if no
   3  *  catchpoint exists.
   4  */
   5
   6 #include "duk_internal.h"
   7
   8 DUK_INTERNAL void duk_err_longjmp(duk_hthread *thr) {
   9         DUK_ASSERT(thr != NULL);
  10
  11         DUK_DD(DUK_DDPRINT("longjmp error: type=%d iserror=%d value1=%!T value2=%!T",
  12                            (int) thr->heap->lj.type, (int) thr->heap->lj.iserror,
  13                            &thr->heap->lj.value1, &thr->heap->lj.value2));
  14
  15 #if !defined(DUK_USE_CPP_EXCEPTIONS)
  16         /* If we don't have a jmpbuf_ptr, there is little we can do
  17          * except panic.  The caller's expectation is that we never
  18          * return.
  19          *
  20          * With C++ exceptions we now just propagate an uncaught error
  21          * instead of invoking the fatal error handler.  Because there's
  22          * a dummy jmpbuf for C++ exceptions now, this could be changed.
  23          */
  24         if (!thr->heap->lj.jmpbuf_ptr) {
  25
  26                 DUK_D(DUK_DPRINT("uncaught error: type=%d iserror=%d value1=%!T value2=%!T",
  27                                  (int) thr->heap->lj.type, (int) thr->heap->lj.iserror,
  28                                  &thr->heap->lj.value1, &thr->heap->lj.value2));
  29
  30                 duk_fatal((duk_context *) thr, DUK_ERR_UNCAUGHT_ERROR, "uncaught error");
  31                 DUK_UNREACHABLE();
  32         }
  33 #endif  /* DUK_USE_CPP_EXCEPTIONS */
  34
  35 #if defined(DUK_USE_CPP_EXCEPTIONS)
  36         {
  37                 duk_internal_exception exc;  /* dummy */
  38                 throw exc;
  39         }
  40 #else  /* DUK_USE_CPP_EXCEPTIONS */
  41         DUK_LONGJMP(thr->heap->lj.jmpbuf_ptr->jb);
  42 #endif  /* DUK_USE_CPP_EXCEPTIONS */
  43
  44         DUK_UNREACHABLE();
  45 }