diff options
Diffstat (limited to 'py/nlr.h')
| -rw-r--r-- | py/nlr.h | 17 |
1 files changed, 15 insertions, 2 deletions
@@ -101,9 +101,16 @@ typedef struct _nlr_buf_t nlr_buf_t; struct _nlr_buf_t { - // the entries here must all be machine word size + // The entries in this struct must all be machine word size. + + // Pointer to the previous nlr_buf_t in the chain. + // Or NULL if it's the top-level one. nlr_buf_t *prev; - void *ret_val; // always a concrete object (an exception instance) + + // The exception that is being raised: + // - NULL means the jump is because of a VM abort (only if MICROPY_ENABLE_VM_ABORT enabled) + // - otherwise it's always a concrete object (an exception instance) + void *ret_val; #if MICROPY_NLR_SETJMP jmp_buf jmpbuf; @@ -149,6 +156,12 @@ unsigned int nlr_push_tail(nlr_buf_t *top); void nlr_pop(void); NORETURN void nlr_jump(void *val); +#if MICROPY_ENABLE_VM_ABORT +#define nlr_set_abort(buf) MP_STATE_VM(nlr_abort) = buf +#define nlr_get_abort() MP_STATE_VM(nlr_abort) +NORETURN void nlr_jump_abort(void); +#endif + // This must be implemented by a port. It's called by nlr_jump // if no nlr buf has been pushed. It must not return, but rather // should bail out with a fatal error. |