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Intrinsic for "prompt"

* libguile/intrinsics.h (SCM_FOR_ALL_VM_INTRINSICS):
* libguile/intrinsics.c (push_prompt, scm_bootstrap_intrinsics): New
  intrinsic.
* libguile/vm-engine.c (prompt): Use push-prompt intrinsic.
This commit is contained in:
Andy Wingo 2018-06-27 15:29:49 +02:00
parent 85ab5f0299
commit 294e627c6b
3 changed files with 23 additions and 8 deletions

View file

@ -64,6 +64,10 @@ typedef void (*scm_t_scm_noreturn_intrinsic) (SCM) SCM_NORETURN;
typedef void (*scm_t_u32_noreturn_intrinsic) (uint32_t) SCM_NORETURN;
typedef SCM (*scm_t_scm_from_thread_u64_intrinsic) (scm_thread*, uint64_t);
typedef SCM (*scm_t_scm_from_thread_intrinsic) (scm_thread*);
typedef void (*scm_t_thread_regs_u8_scm_sp_ra_intrinsic) (scm_thread*, jmp_buf*,
uint8_t, SCM,
const union scm_vm_stack_element*,
void*);
#define SCM_FOR_ALL_VM_INTRINSICS(M) \
M(scm_from_scm_scm, add, "add", ADD) \
@ -129,6 +133,7 @@ typedef SCM (*scm_t_scm_from_thread_intrinsic) (scm_thread*);
M(thread, apply_non_program, "apply-non-program", APPLY_NON_PROGRAM) \
M(scm_from_thread_u64, allocate_words, "allocate-words", ALLOCATE_WORDS) \
M(scm_from_thread, current_module, "current-module", CURRENT_MODULE) \
M(thread_regs_u8_scm_sp_ra, push_prompt, "push-prompt", PUSH_PROMPT) \
/* Add new intrinsics here; also update scm_bootstrap_intrinsics. */
enum scm_vm_intrinsic