diff options
author | Andy Wingo <wingo@pobox.com> | 2011-03-08 09:27:23 +0100 |
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committer | Andy Wingo <wingo@pobox.com> | 2011-03-08 20:50:21 +0100 |
commit | ef8e9356de2494d378948614945ec9aa4498d91c (patch) | |
tree | 14e10f7e00f2b51f10d76be45923287778fde3da /libguile/modules.c | |
parent | 65ea26c5824bc3be9d327b4470d19e67d7b5d44d (diff) | |
download | guile-ef8e9356de2494d378948614945ec9aa4498d91c.tar.gz |
add scm_c_public_ref et al
* 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.
Diffstat (limited to 'libguile/modules.c')
-rw-r--r-- | libguile/modules.c | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/libguile/modules.c b/libguile/modules.c index 40f9c84b1..e06082186 100644 --- a/libguile/modules.c +++ b/libguile/modules.c @@ -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) { @@ -752,6 +755,124 @@ scm_lookup (SCM sym) } 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) { return scm_module_define (module, scm_from_locale_symbol (name), 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; } |