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Code Activity

refactoring for toplevel-ref, toplevel-set, link-now

Browse source 
* libguile/vm-i-system.c (toplevel-ref, toplevel-set)
* libguile/vm-i-loader.c (link-now):
* libguile/vm.c (resolve_variable): Factor out common code to a static
  method. The compiler can still inline it, so it shouldn't have a
  significant performance effect.

* libguile/vm-engine.c (vm_error_no_such_module): Remove now-unused
  label.
This commit is contained in:
Andy Wingo 2009-06-05 11:47:19 +02:00
parent 42193dac58
commit b7393ea123
4 changed files with 40 additions and 98 deletions
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37
libguile/vm.c
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@ -267,6 +267,43 @@ vm_make_boot_program (long nargs)
* VM
*/
static SCM
resolve_variable (SCM what, SCM program_module)
{
if (SCM_LIKELY (SCM_SYMBOLP (what)))
{
if (SCM_LIKELY (scm_module_system_booted_p
&& scm_is_true (program_module)))
/* might longjmp */
return scm_module_lookup (program_module, what);
else
{
SCM v = scm_sym2var (what, SCM_BOOL_F, SCM_BOOL_F);
if (scm_is_false (v))
scm_misc_error (NULL, "unbound variable: ~S", scm_list_1 (what));
else
return v;
}
}
else
{
SCM mod;
/* compilation of @ or @@
`what' is a three-element list: (MODNAME SYM INTERFACE?)
INTERFACE? is #t if we compiled @ or #f if we compiled @@
*/
mod = scm_resolve_module (SCM_CAR (what));
if (scm_is_true (SCM_CADDR (what)))
mod = scm_module_public_interface (mod);
if (SCM_FALSEP (mod))
scm_misc_error (NULL, "no such module: ~S",
scm_list_1 (SCM_CAR (what)));
/* might longjmp */
return scm_module_lookup (mod, SCM_CADR (what));
}
}
#define VM_DEFAULT_STACK_SIZE (16 * 1024)
#define VM_NAME vm_regular_engine