/*
- ly-module.cc -- implement guile module stuff.
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the GNU LilyPond music typesetter
+ Copyright (C) 2002--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
- (c) 2002--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ LilyPond is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ LilyPond is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
*/
#include "lily-guile.hh"
+#include "ly-module.hh"
#include "warn.hh"
#include "main.hh"
-#include "string.hh"
-
-#define FUNC_NAME __FUNCTION__
+#include "protected-scm.hh"
+#include "lily-imports.hh"
SCM
-ly_make_anonymous_module (bool safe)
+ly_make_module (bool safe)
{
SCM mod = SCM_EOL;
if (!safe)
{
- SCM maker = ly_lily_module_constant ("make-module");
-
- SCM scm_module = ly_lily_module_constant ("the-scm-module");
-
- mod = scm_call_0 (maker);
- scm_module_define (mod, ly_symbol2scm ("%module-public-interface"),
- mod);
-
- ly_use_module (mod, scm_module);
- ly_use_module (mod, global_lily_module);
+ /* Look up (evaluate) Scheme make-module function and call it */
+
+ mod = Guile_user::make_module ();
+ /*
+ Look up and call Guile module-export-all! or, when using
+ Guile V1.8, the compatible shim defined in lily.scm.
+ */
+#if GUILEV2
+ Guile_user::module_export_all_x (mod);
+#else
+ Lily::module_export_all_x (mod);
+#endif
+
+ /*
+ Evaluate Guile module "the-root-module",
+ and ensure we inherit definitions from it and the "lily" module
+ N.B. this used to be "the-scm-module" and is deprecated in
+ Guile V1.9/2.0
+ */
+
+ ly_use_module (mod, Guile_user::the_root_module);
+ ly_use_module (mod, Lily::module);
}
else
{
- SCM proc = ly_lily_module_constant ("make-safe-lilypond-module");
- mod = scm_call_0 (proc);
+ /* Evaluate and call make-safe-lilypond-module */
+ mod = Lily::make_safe_lilypond_module ();
}
+
return mod;
}
SCM
ly_use_module (SCM mod, SCM used)
{
- SCM expr
- = scm_list_3 (ly_symbol2scm ("module-use!"),
- mod,
- scm_list_2 (ly_symbol2scm ("module-public-interface"),
- used));
-
- return scm_eval (expr, global_lily_module);
+ /*
+ Pick up the module's interface definition.
+ TODO - Replace inline evaluations (interpreted)
+ with guile API calls if these become available.
+ */
+ /*
+ Set up to interpret
+ '(module_use! <mod> (module-public-interface <used>))'
+ */
+ return Guile_user::module_use_x (mod,
+ Guile_user::module_public_interface (used));
}
#define FUNC_NAME __FUNCTION__
-static SCM
-module_define_closure_func (void *closure, SCM key, SCM val, SCM result)
-{
- (void) result;
- SCM module = (SCM) closure;
- if (scm_variable_bound_p (val) == SCM_BOOL_T)
- scm_module_define (module, key, scm_variable_ref (val));
- return SCM_EOL;
-}
-
-/* Ugh signature of scm_internal_hash_fold () is inaccurate. */
-typedef SCM (*Hash_cl_func) ();
-
-/*
- If a variable in changed in SRC, we DEST doesn't see the
- definitions.
-*/
-LY_DEFINE (ly_module_copy, "ly:module-copy",
- 2, 0, 0, (SCM dest, SCM src),
- "Copy all bindings from module SRC into DEST.")
-{
- SCM_VALIDATE_MODULE (1, src);
- scm_internal_hash_fold ((Hash_cl_func) & module_define_closure_func,
- (void *) dest,
- SCM_EOL, SCM_MODULE_OBARRAY (src));
- return SCM_UNSPECIFIED;
-}
-
-static SCM
-accumulate_symbol (void *closure, SCM key, SCM val, SCM result)
-{
- (void) closure;
- (void) val;
- return scm_cons (key, result);
-}
-
SCM
ly_module_symbols (SCM mod)
{
SCM_VALIDATE_MODULE (1, mod);
SCM obarr = SCM_MODULE_OBARRAY (mod);
- return scm_internal_hash_fold ((Hash_cl_func) & accumulate_symbol,
- NULL, SCM_EOL, obarr);
+ return ly_hash_table_keys (obarr);
}
static SCM
-entry_to_alist (void *closure, SCM key, SCM val, SCM result)
+entry_to_alist (void * /* closure */,
+ SCM key,
+ SCM val,
+ SCM result)
{
- (void) closure;
- if (scm_variable_bound_p (val) == SCM_BOOL_T)
+ if (to_boolean (scm_variable_bound_p (val)))
return scm_cons (scm_cons (key, scm_variable_ref (val)), result);
programming_error ("unbound variable in module");
return result;
}
-LY_DEFINE (ly_module2alist, "ly:module->alist",
- 1, 0, 0, (SCM mod),
- "Dump the contents of module @var{mod} as an alist.")
+LY_DEFINE (ly_module_2_alist, "ly:module->alist",
+ 1, 0, 0, (SCM mod),
+ "Dump the contents of module @var{mod} as an alist.")
{
SCM_VALIDATE_MODULE (1, mod);
SCM obarr = SCM_MODULE_OBARRAY (mod);
- return scm_internal_hash_fold ((Hash_cl_func) & entry_to_alist, NULL, SCM_EOL, obarr);
-}
-
-/* Lookup SYM, but don't give error when it is not defined. */
-SCM
-ly_module_lookup (SCM module, SCM sym)
-{
-#define FUNC_NAME __FUNCTION__
- SCM_VALIDATE_MODULE (1, module);
-
- return scm_sym2var (sym, scm_module_lookup_closure (module), SCM_BOOL_F);
-#undef FUNC_NAME
-}
-
-/* Lookup SYM in a list of modules, which do not have to be related.
- Return the first instance. */
-LY_DEFINE (ly_modules_lookup, "ly:modules-lookup",
- 2, 1, 0,
- (SCM modules, SCM sym, SCM def),
- "Lookup @var{sym} in the list @var{modules}, "
- "returning the first occurence. "
- "If not found, return @var{default}, or @code{#f}.")
-{
- for (SCM s = modules; scm_is_pair (s); s = scm_cdr (s))
- {
- SCM mod = scm_car (s);
- SCM v = ly_module_lookup (mod, sym);
- if (SCM_VARIABLEP (v) && SCM_VARIABLE_REF (v) != SCM_UNDEFINED)
- return scm_variable_ref (v);
- }
-
- if (def != SCM_UNDEFINED)
- return def;
- return SCM_BOOL_F;
+ return scm_internal_hash_fold ((scm_t_hash_fold_fn) &entry_to_alist,
+ NULL, SCM_EOL, obarr);
}
void
ly_export (SCM module, SCM namelist)
{
- static SCM export_function;
- if (!export_function)
- export_function = scm_permanent_object (scm_c_lookup ("module-export!"));
-
- scm_call_2 (SCM_VARIABLE_REF (export_function), module, namelist);
+ Guile_user::module_export_x (module, namelist);
}
void
projects / lilypond.git / blobdiff