Changeset 979df46

Timestamp:

May 13, 2020, 3:46:00 PM (5 years ago)

Author:

Andrew Beach <ajbeach@…>

Branches:

ADT, arm-eh, ast-experimental, enum, forall-pointer-decay, jacob/cs343-translation, master, new-ast, new-ast-unique-expr, pthread-emulation, qualifiedEnum

Children:

2223c80, 69f15c7

Parents:

8d462e5

Message:

Initial cancellation interface, required for default operation.

Location:

libcfa/src

Files:

• exception.c (modified) (1 diff)
• exception.h (modified) (1 diff)
• exception.hfa (modified) (1 diff)

libcfa/src/exception.c

@@ -223 +223 @@
 
 // Cancel the current stack, prefroming approprate clean-up and messaging.
-static __attribute__((noreturn)) void __cfaehm_cancel_stack(
-                exception_t * exception ) {
+void __cfaehm_cancel_stack( exception_t * exception ) {
         // TODO: Detect current stack and pick a particular stop-function.
         _Unwind_Reason_Code ret;

libcfa/src/exception.h

@@ -38 +38 @@
 
 
+void __cfaehm_cancel_stack(exception_t * except) __attribute__((noreturn));
+
 // Used in throw statement translation.
 void __cfaehm_throw_terminate(exception_t * except) __attribute__((noreturn));

libcfa/src/exception.hfa

@@ -10 +10 @@
 // Created On       : Thu Apr  7 10:25:00 2020
 // Last Modified By : Andrew Beach
-// Last Modified On : Thu Apr  7 10:25:00 2020
-// Update Count     : 0
+// Last Modified On : Wed Apr 13 15:42:00 2020
+// Update Count     : 1
 //
+
+// WARNING: This is for documentation as it will match ANY type.
+trait is_exception(dtype T) {
+        /* The first field must be a pointer to a virtual table.
+         * That virtual table must be a decendent of the base exception virtual table.
+         */
+};
+
+forall(dtype T | is_exception(T))
+inline void cancel_stack(T & except) __attribute__((noreturn)) {
+        __cfaehm_cancel_stack( (exception_t *)&except );
+}
 
 // Everything below this line should be considered a patch while the exception