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add scm_c_public_ref et al

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* libguile/modules.h:
* libguile/modules.c (scm_public_lookup, scm_private_lookup)
  (scm_c_public_lookup, scm_c_private_lookup, scm_public_ref)
  (scm_private_ref, scm_c_public_ref, scm_c_private_ref)
  (scm_public_variable, scm_private_variable, scm_c_public_variable)
  (scm_c_private_variable): New helpers to get at variables and values
  in modules.
This commit is contained in:
Andy Wingo 2011-03-08 09:27:23 +01:00
parent 65ea26c582
commit ef8e9356de
2 changed files with 138 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

122
libguile/modules.c
View file

@ -56,6 +56,9 @@ static SCM module_public_interface_var;
static SCM module_export_x_var;
static SCM default_duplicate_binding_procedures_var;
/* The #:ensure keyword. */
static SCM k_ensure;
static SCM unbound_variable (const char *func, SCM sym)
{
@ -751,6 +754,124 @@ scm_lookup (SCM sym)
return var;
}
SCM
scm_public_variable (SCM module_name, SCM name)
{
SCM mod, iface;
mod = scm_call_3 (scm_variable_ref (resolve_module_var), module_name,
k_ensure, SCM_BOOL_F);
if (scm_is_false (mod))
scm_misc_error ("public-lookup", "Module named ~s does not exist",
scm_list_1 (module_name));
iface = scm_module_public_interface (mod);
if (scm_is_false (iface))
scm_misc_error ("public-lookup", "Module ~s has no public interface",
scm_list_1 (mod));
return scm_module_variable (iface, name);
}
SCM
scm_private_variable (SCM module_name, SCM name)
{
SCM mod;
mod = scm_call_3 (scm_variable_ref (resolve_module_var), module_name,
k_ensure, SCM_BOOL_F);
if (scm_is_false (mod))
scm_misc_error ("private-lookup", "Module named ~s does not exist",
scm_list_1 (module_name));
return scm_module_variable (mod, name);
}
SCM
scm_c_public_variable (const char *module_name, const char *name)
{
return scm_public_variable (convert_module_name (module_name),
scm_from_locale_symbol (name));
}
SCM
scm_c_private_variable (const char *module_name, const char *name)
{
return scm_private_variable (convert_module_name (module_name),
scm_from_locale_symbol (name));
}
SCM
scm_public_lookup (SCM module_name, SCM name)
{
SCM var;
var = scm_public_variable (module_name, name);
if (scm_is_false (var))
scm_misc_error ("public-lookup", "No variable bound to ~s in module ~s",
scm_list_2 (name, module_name));
return var;
}
SCM
scm_private_lookup (SCM module_name, SCM name)
{
SCM var;
var = scm_private_variable (module_name, name);
if (scm_is_false (var))
scm_misc_error ("private-lookup", "No variable bound to ~s in module ~s",
scm_list_2 (name, module_name));
return var;
}
SCM
scm_c_public_lookup (const char *module_name, const char *name)
{
return scm_public_lookup (convert_module_name (module_name),
scm_from_locale_symbol (name));
}
SCM
scm_c_private_lookup (const char *module_name, const char *name)
{
return scm_private_lookup (convert_module_name (module_name),
scm_from_locale_symbol (name));
}
SCM
scm_public_ref (SCM module_name, SCM name)
{
return scm_variable_ref (scm_public_lookup (module_name, name));
}
SCM
scm_private_ref (SCM module_name, SCM name)
{
return scm_variable_ref (scm_private_lookup (module_name, name));
}
SCM
scm_c_public_ref (const char *module_name, const char *name)
{
return scm_public_ref (convert_module_name (module_name),
scm_from_locale_symbol (name));
}
SCM
scm_c_private_ref (const char *module_name, const char *name)
{
return scm_private_ref (convert_module_name (module_name),
scm_from_locale_symbol (name));
}
SCM
scm_c_module_define (SCM module, const char *name, SCM value)
{
@ -903,6 +1024,7 @@ scm_post_boot_init_modules ()
default_duplicate_binding_procedures_var =
scm_c_lookup ("default-duplicate-binding-procedures");
module_public_interface_var = scm_c_lookup ("module-public-interface");
k_ensure = scm_from_locale_keyword ("ensure");
scm_module_system_booted_p = 1;
}