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prompt as part of guile's primitive language

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* libguile/control.h:
* libguile/control.c: Remove scm_atcontrol and scm_atprompt.
  (scm_c_make_prompt): Remove handler arg, as the handler is inline.
  (scm_abort): New primitive, exported to Scheme as `abort'. The
  compiler will also recognize calls to `abort', but this is the base
  case.
  (scm_init_control): Remove scm_register_control, just have this
  function, which adds `abort' to the `(guile)' module.

* libguile/eval.c (eval): Add SCM_M_PROMPT case.

* libguile/init.c (scm_i_init_guile): Change scm_register_control call
  into a nice orderly scm_init_control call.

* libguile/memoize.h: (scm_sym_at_prompt, SCM_M_PROMPT):
* libguile/memoize.c (MAKMEMO_PROMPT, scm_m_at_prompt, unmemoize): Add
  prompt support to the memoizer.

* libguile/vm-i-system.c (prompt): Fix to not expect a handler on the
  stack.

* module/ice-9/boot-9.scm (prompt): Add definition in terms of @prompt.

* module/ice-9/control.scm: Simplify, and don't play with the compiler
  here, now that prompt and abort are primitive.

* module/ice-9/eval.scm (primitive-eval): Add a prompt case.

* module/language/tree-il/primitives.scm
  (*interesting-primitive-names*): Add @prompt and prompt.
This commit is contained in:
Andy Wingo 2010-02-19 22:44:24 +01:00
parent 0bc8874c04
commit 747022e4cb
11 changed files with 117 additions and 63 deletions
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2
libguile/init.c
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@ -454,7 +454,6 @@ scm_i_init_guile (SCM_STACKITEM *base)
scm_bootstrap_programs ();
scm_bootstrap_vm ();
scm_register_foreign ();
scm_register_control ();
scm_init_strings (); /* Requires array-handle */
scm_init_struct (); /* Requires strings */
@ -471,6 +470,7 @@ scm_i_init_guile (SCM_STACKITEM *base)
scm_init_async (); /* requires smob_prehistory */
scm_init_boolean ();
scm_init_chars ();
scm_init_control ();
#ifdef GUILE_DEBUG_MALLOC
scm_init_debug_malloc ();
#endif