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Merge remote-tracking branch 'origin/stable-2.0'

This commit removes code that was newly deprecated in stable-2.0.

Conflicts:
	libguile/deprecated.c
	libguile/deprecated.h
	libguile/modules.c
	module/ice-9/boot-9.scm
	module/ice-9/deprecated.scm
This commit is contained in:
Andy Wingo 2012-05-23 12:38:56 +02:00
commit 747747ee06
14 changed files with 81 additions and 302 deletions

View file

@ -80,9 +80,10 @@ SCM_DEFINE (scm_current_module, "current-module", 0, 0, 0,
"Return the current module.")
#define FUNC_NAME s_scm_current_module
{
SCM curr = scm_fluid_ref (the_module);
return scm_is_true (curr) ? curr : scm_the_root_module ();
if (scm_module_system_booted_p)
return scm_fluid_ref (the_module);
else
return SCM_BOOL_F;
}
#undef FUNC_NAME
@ -235,38 +236,6 @@ scm_c_export (const char *name, ...)
}
/* Environments */
SCM_SYMBOL (sym_module, "module");
SCM
scm_lookup_closure_module (SCM proc)
{
if (scm_is_false (proc))
return scm_the_root_module ();
else if (SCM_EVAL_CLOSURE_P (proc))
return SCM_PACK (SCM_SMOB_DATA (proc));
else
{
SCM mod;
/* FIXME: The `module' property is no longer set on eval closures, as it
introduced a circular reference that precludes garbage collection of
modules with the current weak hash table semantics (see
http://lists.gnu.org/archive/html/guile-devel/2009-01/msg00102.html and
http://thread.gmane.org/gmane.comp.programming.garbage-collection.boehmgc/2465
for details). Since it doesn't appear to be used (only in this
function, which has 1 caller), we no longer extend
`set-module-eval-closure!' to set the `module' property. */
abort ();
mod = scm_procedure_property (proc, sym_module);
if (scm_is_false (mod))
mod = scm_the_root_module ();
return mod;
}
}
/*
* C level implementation of the standard eval closure
*
@ -519,84 +488,37 @@ SCM_DEFINE (scm_module_variable, "module-variable", 2, 0, 0,
}
#undef FUNC_NAME
scm_t_bits scm_tc16_eval_closure;
#define SCM_F_EVAL_CLOSURE_INTERFACE (1<<0)
#define SCM_EVAL_CLOSURE_INTERFACE_P(e) \
(SCM_SMOB_FLAGS (e) & SCM_F_EVAL_CLOSURE_INTERFACE)
/* NOTE: This function may be called by a smob application
or from another C function directly. */
SCM
scm_eval_closure_lookup (SCM eclo, SCM sym, SCM definep)
scm_module_ensure_local_variable (SCM module, SCM sym)
#define FUNC_NAME "module-ensure-local-variable"
{
SCM module = SCM_PACK (SCM_SMOB_DATA (eclo));
if (scm_is_true (definep))
if (SCM_LIKELY (scm_module_system_booted_p))
{
if (SCM_EVAL_CLOSURE_INTERFACE_P (eclo))
return SCM_BOOL_F;
SCM_VALIDATE_MODULE (1, module);
SCM_VALIDATE_SYMBOL (2, sym);
return scm_call_2 (SCM_VARIABLE_REF (module_make_local_var_x_var),
module, sym);
module, sym);
}
else
return scm_module_variable (module, sym);
}
SCM_DEFINE (scm_standard_eval_closure, "standard-eval-closure", 1, 0, 0,
(SCM module),
"Return an eval closure for the module @var{module}.")
#define FUNC_NAME s_scm_standard_eval_closure
{
SCM_RETURN_NEWSMOB (scm_tc16_eval_closure, SCM_UNPACK (module));
{
SCM handle, var;
handle = scm_hashq_create_handle_x (scm_pre_modules_obarray,
sym, SCM_BOOL_F);
var = SCM_CDR (handle);
if (scm_is_false (var))
{
var = scm_make_variable (SCM_UNDEFINED);
SCM_SETCDR (handle, var);
}
return var;
}
}
#undef FUNC_NAME
SCM_DEFINE (scm_standard_interface_eval_closure,
"standard-interface-eval-closure", 1, 0, 0,
(SCM module),
"Return a interface eval closure for the module @var{module}. "
"Such a closure does not allow new bindings to be added.")
#define FUNC_NAME s_scm_standard_interface_eval_closure
{
SCM_RETURN_NEWSMOB (scm_tc16_eval_closure | (SCM_F_EVAL_CLOSURE_INTERFACE<<16),
SCM_UNPACK (module));
}
#undef FUNC_NAME
SCM_DEFINE (scm_eval_closure_module,
"eval-closure-module", 1, 0, 0,
(SCM eval_closure),
"Return the module associated with this eval closure.")
/* the idea is that eval closures are really not the way to do things, they're
superfluous given our module system. this function lets mmacros migrate away
from eval closures. */
#define FUNC_NAME s_scm_eval_closure_module
{
SCM_MAKE_VALIDATE_MSG (SCM_ARG1, eval_closure, EVAL_CLOSURE_P,
"eval-closure");
return SCM_SMOB_OBJECT (eval_closure);
}
#undef FUNC_NAME
SCM
scm_module_lookup_closure (SCM module)
{
if (scm_is_false (module))
return SCM_BOOL_F;
else
return SCM_MODULE_EVAL_CLOSURE (module);
}
SCM
scm_current_module_lookup_closure ()
{
if (scm_module_system_booted_p)
return scm_module_lookup_closure (scm_current_module ());
else
return SCM_BOOL_F;
}
SCM_SYMBOL (sym_macroexpand, "macroexpand");
SCM_DEFINE (scm_module_transformer, "module-transformer", 1, 0, 0,
@ -676,61 +598,6 @@ scm_module_public_interface (SCM module)
return scm_call_1 (SCM_VARIABLE_REF (module_public_interface_var), module);
}
/* scm_sym2var
*
* looks up the variable bound to SYM according to PROC. PROC should be
* a `eval closure' of some module.
*
* When no binding exists, and DEFINEP is true, create a new binding
* with a initial value of SCM_UNDEFINED. Return `#f' when DEFINEP as
* false and no binding exists.
*
* When PROC is `#f', it is ignored and the binding is searched for in
* the scm_pre_modules_obarray (a `eq' hash table).
*/
SCM
scm_sym2var (SCM sym, SCM proc, SCM definep)
#define FUNC_NAME "scm_sym2var"
{
SCM var;
if (SCM_HEAP_OBJECT_P (proc))
{
if (SCM_EVAL_CLOSURE_P (proc))
{
/* Bypass evaluator in the standard case. */
var = scm_eval_closure_lookup (proc, sym, definep);
}
else
var = scm_call_2 (proc, sym, definep);
}
else
{
SCM handle;
if (scm_is_false (definep))
var = scm_hashq_ref (scm_pre_modules_obarray, sym, SCM_BOOL_F);
else
{
handle = scm_hashq_create_handle_x (scm_pre_modules_obarray,
sym, SCM_BOOL_F);
var = SCM_CDR (handle);
if (scm_is_false (var))
{
var = scm_make_variable (SCM_UNDEFINED);
SCM_SETCDR (handle, var);
}
}
}
if (scm_is_true (var) && !SCM_VARIABLEP (var))
SCM_MISC_ERROR ("~S is not bound to a variable", scm_list_1 (sym));
return var;
}
#undef FUNC_NAME
SCM
scm_c_module_lookup (SCM module, const char *name)
{
@ -742,9 +609,7 @@ scm_module_lookup (SCM module, SCM sym)
#define FUNC_NAME "module-lookup"
{
SCM var;
SCM_VALIDATE_MODULE (1, module);
var = scm_sym2var (sym, scm_module_lookup_closure (module), SCM_BOOL_F);
var = scm_module_variable (module, sym);
if (scm_is_false (var))
unbound_variable (FUNC_NAME, sym);
return var;
@ -760,11 +625,7 @@ scm_c_lookup (const char *name)
SCM
scm_lookup (SCM sym)
{
SCM var =
scm_sym2var (sym, scm_current_module_lookup_closure (), SCM_BOOL_F);
if (scm_is_false (var))
unbound_variable (NULL, sym);
return var;
return scm_module_lookup (scm_current_module (), sym);
}
SCM
@ -896,10 +757,10 @@ scm_module_define (SCM module, SCM sym, SCM value)
#define FUNC_NAME "module-define"
{
SCM var;
SCM_VALIDATE_MODULE (1, module);
var = scm_sym2var (sym, scm_module_lookup_closure (module), SCM_BOOL_T);
var = scm_module_ensure_local_variable (module, sym);
SCM_VARIABLE_SET (var, value);
return var;
}
#undef FUNC_NAME
@ -917,11 +778,9 @@ SCM_DEFINE (scm_define, "define!", 2, 0, 0,
"not a macro.")
#define FUNC_NAME s_scm_define
{
SCM var;
SCM_VALIDATE_SYMBOL (SCM_ARG1, sym);
var = scm_sym2var (sym, scm_current_module_lookup_closure (), SCM_BOOL_T);
SCM_VARIABLE_SET (var, value);
return var;
return scm_module_define (scm_current_module (), sym, value);
}
#undef FUNC_NAME
@ -1009,9 +868,6 @@ scm_init_modules ()
#include "libguile/modules.x"
module_make_local_var_x_var = scm_c_define ("module-make-local-var!",
SCM_UNDEFINED);
scm_tc16_eval_closure = scm_make_smob_type ("eval-closure", 0);
scm_set_smob_apply (scm_tc16_eval_closure, scm_eval_closure_lookup, 2, 0, 0);
the_module = scm_make_fluid ();
}