Implement vm_throw callback (#4726)

Slightly improve the description of vm_exec_stop callback.

JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com

jerry-core/jcontext/jcontext.c

@@ -113,8 +113,11 @@ jcontext_take_exception (void)
 {
   JERRY_ASSERT (jcontext_has_pending_exception ());
 
-  jcontext_set_abort_flag (false);
-  jcontext_set_exception_flag (false);
+  JERRY_CONTEXT (status_flags) &= (uint32_t) ~(ECMA_STATUS_EXCEPTION
+#if JERRY_VM_THROW
+                                               | ECMA_STATUS_ERROR_THROWN
+#endif /* JERRY_VM_THROW */
+                                               | ECMA_STATUS_ABORT);
   return JERRY_CONTEXT (error_value);
 } /* jcontext_take_exception */
 

jerry-core/jcontext/jcontext.h

@@ -200,6 +200,11 @@ struct jerry_context_t
                                                  *   ECMAScript execution should be stopped */
 #endif /* JERRY_VM_EXEC_STOP */
 
+#if JERRY_VM_THROW
+  void *vm_throw_callback_user_p; /**< user pointer for vm_throw_callback_p */
+  jerry_vm_throw_callback_t vm_throw_callback_p; /**< callback for capturing throws */
+#endif /* JERRY_VM_THROW */
+
 #if (JERRY_STACK_LIMIT != 0)
   uintptr_t stack_base;  /**< stack base marker */
 #endif /* (JERRY_STACK_LIMIT != 0) */