mirror of
https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
use id_table for constant tables
valgrind 3.9.0 on x86-64 reports a minor reduction in memory usage
when loading only RubyGems and RDoc by running: ruby -rrdoc -eexit
before: HEAP SUMMARY:
in use at exit: 2,913,448 bytes in 27,394 blocks
total heap usage: 48,362 allocs, 20,968 frees, 9,034,621 bytes alloc
after: HEAP SUMMARY:
in use at exit: 2,880,056 bytes in 26,712 blocks
total heap usage: 47,791 allocs, 21,079 frees, 9,046,507 bytes alloc
* class.c (struct clone_const_arg): adjust for id_table
(clone_const): ditto
(clone_const_i): ditto
(rb_mod_init_copy): ditto
(rb_singleton_class_clone_and_attach): ditto
(rb_include_class_new): ditto
(include_modules_at): ditto
* constant.h (rb_free_const_table): ditto
* gc.c (free_const_entry_i): ditto
(rb_free_const_table): ditto
(obj_memsize_of): ditto
(mark_const_entry_i): ditto
(mark_const_tbl): ditto
* internal.h (struct rb_classext_struct): ditto
* object.c (rb_mod_const_set): resolve class name on assignment
* variable.c (const_update): replace with const_tbl_update
(const_tbl_update): new function
(fc_i): adjust for id_table
(find_class_path): ditto
(autoload_const_set): st_update => const_tbl_update
(rb_const_remove): adjust for id_table
(sv_i): ditto
(rb_local_constants_i): ditto
(rb_local_constants): ditto
(rb_mod_const_at): ditto
(rb_mod_const_set): ditto
(rb_const_lookup): ditto
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53376 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
normal
parent
b7573a0081
commit
1142de8e2a
6 changed files with 119 additions and 111 deletions
33
class.c
33
class.c
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@ -274,7 +274,7 @@ clone_method_i(ID key, VALUE value, void *data)
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struct clone_const_arg {
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VALUE klass;
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st_table *tbl;
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struct rb_id_table *tbl;
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};
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static int
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@ -285,14 +285,14 @@ clone_const(ID key, const rb_const_entry_t *ce, struct clone_const_arg *arg)
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RB_OBJ_WRITTEN(arg->klass, Qundef, ce->value);
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RB_OBJ_WRITTEN(arg->klass, Qundef, ce->file);
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st_insert(arg->tbl, key, (st_data_t)nce);
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return ST_CONTINUE;
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rb_id_table_insert(arg->tbl, key, (VALUE)nce);
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return ID_TABLE_CONTINUE;
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}
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static int
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clone_const_i(st_data_t key, st_data_t value, st_data_t data)
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static enum rb_id_table_iterator_result
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clone_const_i(ID key, VALUE value, void *data)
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{
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return clone_const((ID)key, (const rb_const_entry_t *)value, (struct clone_const_arg *)data);
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return clone_const(key, (const rb_const_entry_t *)value, data);
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}
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static void
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@ -346,10 +346,9 @@ rb_mod_init_copy(VALUE clone, VALUE orig)
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if (RCLASS_CONST_TBL(orig)) {
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struct clone_const_arg arg;
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RCLASS_CONST_TBL(clone) = st_init_numtable();
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arg.tbl = RCLASS_CONST_TBL(clone) = rb_id_table_create(0);
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arg.klass = clone;
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arg.tbl = RCLASS_CONST_TBL(clone);
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st_foreach(RCLASS_CONST_TBL(orig), clone_const_i, (st_data_t)&arg);
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rb_id_table_foreach(RCLASS_CONST_TBL(orig), clone_const_i, &arg);
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}
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if (RCLASS_M_TBL(orig)) {
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struct clone_method_arg arg;
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@ -393,10 +392,9 @@ rb_singleton_class_clone_and_attach(VALUE obj, VALUE attach)
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}
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if (RCLASS_CONST_TBL(klass)) {
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struct clone_const_arg arg;
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RCLASS_CONST_TBL(clone) = st_init_numtable();
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arg.tbl = RCLASS_CONST_TBL(clone) = rb_id_table_create(0);
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arg.klass = clone;
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arg.tbl = RCLASS_CONST_TBL(clone);
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st_foreach(RCLASS_CONST_TBL(klass), clone_const_i, (st_data_t)&arg);
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rb_id_table_foreach(RCLASS_CONST_TBL(klass), clone_const_i, &arg);
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}
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if (attach != Qundef) {
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rb_singleton_class_attached(clone, attach);
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@ -823,7 +821,7 @@ rb_include_class_new(VALUE module, VALUE super)
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RCLASS_IV_TBL(module) = st_init_numtable();
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}
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if (!RCLASS_CONST_TBL(module)) {
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RCLASS_CONST_TBL(module) = st_init_numtable();
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RCLASS_CONST_TBL(module) = rb_id_table_create(0);
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}
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RCLASS_IV_TBL(klass) = RCLASS_IV_TBL(module);
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RCLASS_CONST_TBL(klass) = RCLASS_CONST_TBL(module);
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@ -880,6 +878,7 @@ include_modules_at(const VALUE klass, VALUE c, VALUE module, int search_super)
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while (module) {
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int superclass_seen = FALSE;
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struct rb_id_table *tbl;
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if (RCLASS_ORIGIN(module) != module)
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goto skip;
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@ -917,8 +916,12 @@ include_modules_at(const VALUE klass, VALUE c, VALUE module, int search_super)
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rb_id_table_foreach(RMODULE_M_TBL(module), add_refined_method_entry_i, (void *)refined_class);
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FL_SET(c, RMODULE_INCLUDED_INTO_REFINEMENT);
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}
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if (RMODULE_M_TBL(module) && rb_id_table_size(RMODULE_M_TBL(module))) method_changed = 1;
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if (RMODULE_CONST_TBL(module) && RMODULE_CONST_TBL(module)->num_entries) constant_changed = 1;
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tbl = RMODULE_M_TBL(module);
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if (tbl && rb_id_table_size(tbl)) method_changed = 1;
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tbl = RMODULE_CONST_TBL(module);
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if (tbl && rb_id_table_size(tbl)) constant_changed = 1;
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skip:
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module = RCLASS_SUPER(module);
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}
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@ -38,7 +38,7 @@ typedef struct rb_const_entry_struct {
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VALUE rb_mod_private_constant(int argc, const VALUE *argv, VALUE obj);
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VALUE rb_mod_public_constant(int argc, const VALUE *argv, VALUE obj);
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VALUE rb_mod_deprecate_constant(int argc, const VALUE *argv, VALUE obj);
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void rb_free_const_table(st_table *tbl);
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void rb_free_const_table(struct rb_id_table *tbl);
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VALUE rb_public_const_get(VALUE klass, ID id);
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VALUE rb_public_const_get_at(VALUE klass, ID id);
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VALUE rb_public_const_get_from(VALUE klass, ID id);
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26
gc.c
26
gc.c
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@ -2003,19 +2003,19 @@ is_pointer_to_heap(rb_objspace_t *objspace, void *ptr)
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return FALSE;
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}
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static int
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free_const_entry_i(st_data_t key, st_data_t value, st_data_t data)
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static enum rb_id_table_iterator_result
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free_const_entry_i(VALUE value, void *data)
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{
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rb_const_entry_t *ce = (rb_const_entry_t *)value;
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xfree(ce);
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return ST_CONTINUE;
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return ID_TABLE_CONTINUE;
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}
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void
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rb_free_const_table(st_table *tbl)
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rb_free_const_table(struct rb_id_table *tbl)
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{
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st_foreach(tbl, free_const_entry_i, 0);
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st_free_table(tbl);
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rb_id_table_foreach_values(tbl, free_const_entry_i, 0);
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rb_id_table_free(tbl);
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}
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static inline void
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@ -3089,7 +3089,7 @@ obj_memsize_of(VALUE obj, int use_all_types)
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size += st_memsize(RCLASS(obj)->ptr->iv_tbl);
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}
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if (RCLASS(obj)->ptr->const_tbl) {
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size += st_memsize(RCLASS(obj)->ptr->const_tbl);
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size += rb_id_table_memsize(RCLASS(obj)->ptr->const_tbl);
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}
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size += sizeof(rb_classext_t);
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}
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@ -4056,22 +4056,22 @@ mark_m_tbl(rb_objspace_t *objspace, struct rb_id_table *tbl)
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}
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}
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static int
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mark_const_entry_i(st_data_t key, st_data_t value, st_data_t data)
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static enum rb_id_table_iterator_result
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mark_const_entry_i(VALUE value, void *data)
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{
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const rb_const_entry_t *ce = (const rb_const_entry_t *)value;
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rb_objspace_t *objspace = (rb_objspace_t *)data;
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rb_objspace_t *objspace = data;
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gc_mark(objspace, ce->value);
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gc_mark(objspace, ce->file);
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return ST_CONTINUE;
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return ID_TABLE_CONTINUE;
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}
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static void
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mark_const_tbl(rb_objspace_t *objspace, st_table *tbl)
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mark_const_tbl(rb_objspace_t *objspace, struct rb_id_table *tbl)
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{
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if (!tbl) return;
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st_foreach(tbl, mark_const_entry_i, (st_data_t)objspace);
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rb_id_table_foreach_values(tbl, mark_const_entry_i, objspace);
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}
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#if STACK_GROW_DIRECTION < 0
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@ -463,7 +463,7 @@ typedef unsigned long rb_serial_t;
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struct rb_classext_struct {
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struct st_table *iv_index_tbl;
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struct st_table *iv_tbl;
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struct st_table *const_tbl;
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struct rb_id_table *const_tbl;
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struct rb_id_table *callable_m_tbl;
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rb_subclass_entry_t *subclasses;
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rb_subclass_entry_t **parent_subclasses;
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8
object.c
8
object.c
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@ -2180,6 +2180,14 @@ rb_mod_const_set(VALUE mod, VALUE name, VALUE value)
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ID id = id_for_setter(mod, name, const, wrong_constant_name);
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if (!id) id = rb_intern_str(name);
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rb_const_set(mod, id, value);
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/*
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* Resolve and cache class name immediately to resolve ambiguity
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* and avoid order-dependency on const_tbl
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*/
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if (RB_TYPE_P(value, T_MODULE) || RB_TYPE_P(value, T_CLASS)) {
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rb_class_name(value);
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}
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return value;
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}
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159
variable.c
159
variable.c
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@ -14,6 +14,7 @@
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#include "internal.h"
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#include "ruby/st.h"
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#include "ruby/util.h"
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#include "id_table.h"
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#include "constant.h"
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#include "id.h"
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#include "ccan/list/list.h"
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@ -24,7 +25,6 @@ static ID autoload, classpath, tmp_classpath, classid;
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static void check_before_mod_set(VALUE, ID, VALUE, const char *);
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static void setup_const_entry(rb_const_entry_t *, VALUE, VALUE, rb_const_flag_t);
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static int const_update(st_data_t *, st_data_t *, st_data_t, int);
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static st_table *generic_iv_tbl;
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static st_table *generic_iv_tbl_compat;
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@ -92,28 +92,27 @@ fc_path(struct fc_result *fc, ID name)
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return path;
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}
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static int
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fc_i(st_data_t k, st_data_t v, st_data_t a)
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static enum rb_id_table_iterator_result
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fc_i(ID key, VALUE v, void *a)
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{
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ID key = (ID)k;
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rb_const_entry_t *ce = (rb_const_entry_t *)v;
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struct fc_result *res = (struct fc_result *)a;
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struct fc_result *res = a;
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VALUE value = ce->value;
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if (!rb_is_const_id(key)) return ST_CONTINUE;
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if (!rb_is_const_id(key)) return ID_TABLE_CONTINUE;
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if (value == res->klass && (!res->preferred || key == res->preferred)) {
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res->path = fc_path(res, key);
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return ST_STOP;
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return ID_TABLE_STOP;
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}
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if (RB_TYPE_P(value, T_MODULE) || RB_TYPE_P(value, T_CLASS)) {
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if (!RCLASS_CONST_TBL(value)) return ST_CONTINUE;
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if (!RCLASS_CONST_TBL(value)) return ID_TABLE_CONTINUE;
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else {
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struct fc_result arg;
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struct fc_result *list;
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list = res;
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while (list) {
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if (list->track == value) return ST_CONTINUE;
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if (list->track == value) return ID_TABLE_CONTINUE;
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list = list->prev;
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}
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@ -123,14 +122,14 @@ fc_i(st_data_t k, st_data_t v, st_data_t a)
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arg.klass = res->klass;
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arg.track = value;
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arg.prev = res;
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st_foreach(RCLASS_CONST_TBL(value), fc_i, (st_data_t)&arg);
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rb_id_table_foreach(RCLASS_CONST_TBL(value), fc_i, &arg);
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if (arg.path) {
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res->path = arg.path;
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return ST_STOP;
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return ID_TABLE_STOP;
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}
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}
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}
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return ST_CONTINUE;
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return ID_TABLE_CONTINUE;
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}
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/**
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@ -152,7 +151,7 @@ find_class_path(VALUE klass, ID preferred)
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arg.track = rb_cObject;
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arg.prev = 0;
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if (RCLASS_CONST_TBL(rb_cObject)) {
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st_foreach_safe(RCLASS_CONST_TBL(rb_cObject), fc_i, (st_data_t)&arg);
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rb_id_table_foreach(RCLASS_CONST_TBL(rb_cObject), fc_i, &arg);
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}
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if (arg.path) {
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st_data_t tmp = tmp_classpath;
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@ -2070,6 +2069,8 @@ struct autoload_const_set_args {
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VALUE value;
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};
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static void const_tbl_update(struct autoload_const_set_args *);
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static VALUE
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autoload_const_set(VALUE arg)
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{
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@ -2077,8 +2078,7 @@ autoload_const_set(VALUE arg)
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VALUE klass = args->mod;
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ID id = args->id;
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check_before_mod_set(klass, id, args->value, "constant");
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st_update(RCLASS_CONST_TBL(klass), (st_data_t)id,
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const_update, (st_data_t)args);
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const_tbl_update(args);
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return 0; /* ignored */
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}
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@ -2323,10 +2323,11 @@ VALUE
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rb_const_remove(VALUE mod, ID id)
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{
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VALUE val;
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st_data_t v, n = id;
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rb_const_entry_t *ce;
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rb_check_frozen(mod);
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if (!RCLASS_CONST_TBL(mod) || !st_delete(RCLASS_CONST_TBL(mod), &n, &v)) {
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ce = rb_const_lookup(mod, id);
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if (!ce || !rb_id_table_delete(RCLASS_CONST_TBL(mod), id)) {
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if (rb_const_defined_at(mod, id)) {
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rb_name_err_raise("cannot remove %2$s::%1$s",
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mod, ID2SYM(id));
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@ -2337,12 +2338,12 @@ rb_const_remove(VALUE mod, ID id)
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rb_clear_constant_cache();
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val = ((rb_const_entry_t*)v)->value;
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val = ce->value;
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if (val == Qundef) {
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autoload_delete(mod, id);
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val = Qnil;
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}
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xfree((rb_const_entry_t*)v);
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xfree(ce);
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return val;
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}
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@ -2354,36 +2355,35 @@ cv_i_update(st_data_t *k, st_data_t *v, st_data_t a, int existing)
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return ST_CONTINUE;
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}
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static int
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sv_i(st_data_t k, st_data_t v, st_data_t a)
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static enum rb_id_table_iterator_result
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sv_i(ID key, VALUE v, void *a)
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{
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ID key = (ID)k;
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rb_const_entry_t *ce = (rb_const_entry_t *)v;
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st_table *tbl = (st_table *)a;
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st_table *tbl = a;
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if (rb_is_const_id(key)) {
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st_update(tbl, (st_data_t)key, cv_i_update, (st_data_t)ce);
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}
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return ST_CONTINUE;
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return ID_TABLE_CONTINUE;
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}
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static int
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rb_local_constants_i(st_data_t const_name, st_data_t const_value, st_data_t ary)
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static enum rb_id_table_iterator_result
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rb_local_constants_i(ID const_name, VALUE const_value, void *ary)
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{
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rb_ary_push((VALUE)ary, ID2SYM((ID)const_name));
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return ST_CONTINUE;
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rb_ary_push((VALUE)ary, ID2SYM(const_name));
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return ID_TABLE_CONTINUE;
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}
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static VALUE
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rb_local_constants(VALUE mod)
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{
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st_table *tbl = RCLASS_CONST_TBL(mod);
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struct rb_id_table *tbl = RCLASS_CONST_TBL(mod);
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VALUE ary;
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if (!tbl) return rb_ary_new2(0);
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ary = rb_ary_new2(tbl->num_entries);
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st_foreach(tbl, rb_local_constants_i, ary);
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ary = rb_ary_new2(rb_id_table_size(tbl));
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rb_id_table_foreach(tbl, rb_local_constants_i, (void *)ary);
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return ary;
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}
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@ -2395,7 +2395,7 @@ rb_mod_const_at(VALUE mod, void *data)
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tbl = st_init_numtable();
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}
|
||||
if (RCLASS_CONST_TBL(mod)) {
|
||||
st_foreach_safe(RCLASS_CONST_TBL(mod), sv_i, (st_data_t)tbl);
|
||||
rb_id_table_foreach(RCLASS_CONST_TBL(mod), sv_i, tbl);
|
||||
}
|
||||
return tbl;
|
||||
}
|
||||
|
|
@ -2547,7 +2547,7 @@ void
|
|||
rb_const_set(VALUE klass, ID id, VALUE val)
|
||||
{
|
||||
rb_const_entry_t *ce;
|
||||
st_table *tbl = RCLASS_CONST_TBL(klass);
|
||||
struct rb_id_table *tbl = RCLASS_CONST_TBL(klass);
|
||||
|
||||
if (NIL_P(klass)) {
|
||||
rb_raise(rb_eTypeError, "no class/module to define constant %"PRIsVALUE"",
|
||||
|
|
@ -2556,10 +2556,10 @@ rb_const_set(VALUE klass, ID id, VALUE val)
|
|||
|
||||
check_before_mod_set(klass, id, val, "constant");
|
||||
if (!tbl) {
|
||||
RCLASS_CONST_TBL(klass) = tbl = st_init_numtable();
|
||||
RCLASS_CONST_TBL(klass) = tbl = rb_id_table_create(0);
|
||||
rb_clear_constant_cache();
|
||||
ce = ZALLOC(rb_const_entry_t);
|
||||
st_insert(tbl, (st_data_t)id, (st_data_t)ce);
|
||||
rb_id_table_insert(tbl, id, (VALUE)ce);
|
||||
setup_const_entry(ce, klass, val, CONST_PUBLIC);
|
||||
}
|
||||
else {
|
||||
|
|
@ -2567,64 +2567,61 @@ rb_const_set(VALUE klass, ID id, VALUE val)
|
|||
args.mod = klass;
|
||||
args.id = id;
|
||||
args.value = val;
|
||||
st_update(tbl, (st_data_t)id, const_update, (st_data_t)&args);
|
||||
const_tbl_update(&args);
|
||||
}
|
||||
}
|
||||
|
||||
static int
|
||||
const_update(st_data_t *key, st_data_t *value, st_data_t arg, int existing)
|
||||
static void
|
||||
const_tbl_update(struct autoload_const_set_args *args)
|
||||
{
|
||||
struct autoload_const_set_args *args = (struct autoload_const_set_args *)arg;
|
||||
VALUE value;
|
||||
VALUE klass = args->mod;
|
||||
VALUE val = args->value;
|
||||
ID id = args->id;
|
||||
struct rb_id_table *tbl = RCLASS_CONST_TBL(klass);
|
||||
rb_const_flag_t visibility = CONST_PUBLIC;
|
||||
rb_const_entry_t *ce;
|
||||
|
||||
if (existing) {
|
||||
ce = (rb_const_entry_t *)*value;
|
||||
if (ce) {
|
||||
if (ce->value == Qundef) {
|
||||
VALUE load;
|
||||
struct autoload_data_i *ele;
|
||||
if (rb_id_table_lookup(tbl, id, &value)) {
|
||||
ce = (rb_const_entry_t *)value;
|
||||
if (ce->value == Qundef) {
|
||||
VALUE load;
|
||||
struct autoload_data_i *ele;
|
||||
|
||||
load = autoload_data(klass, id);
|
||||
/* for autoloading thread, keep the defined value to autoloading storage */
|
||||
if (load && (ele = check_autoload_data(load)) && ele->state &&
|
||||
(ele->state->thread == rb_thread_current())) {
|
||||
rb_clear_constant_cache();
|
||||
load = autoload_data(klass, id);
|
||||
/* for autoloading thread, keep the defined value to autoloading storage */
|
||||
if (load && (ele = check_autoload_data(load)) && ele->state &&
|
||||
(ele->state->thread == rb_thread_current())) {
|
||||
rb_clear_constant_cache();
|
||||
|
||||
ele->value = val; /* autoload_i is non-WB-protected */
|
||||
return ST_STOP;
|
||||
}
|
||||
/* otherwise, allow to override */
|
||||
autoload_delete(klass, id);
|
||||
ele->value = val; /* autoload_i is non-WB-protected */
|
||||
return;
|
||||
}
|
||||
else {
|
||||
VALUE name = QUOTE_ID(id);
|
||||
visibility = ce->flag;
|
||||
if (klass == rb_cObject)
|
||||
rb_warn("already initialized constant %"PRIsVALUE"", name);
|
||||
else
|
||||
rb_warn("already initialized constant %"PRIsVALUE"::%"PRIsVALUE"",
|
||||
rb_class_name(klass), name);
|
||||
if (!NIL_P(ce->file) && ce->line) {
|
||||
rb_compile_warn(RSTRING_PTR(ce->file), ce->line,
|
||||
"previous definition of %"PRIsVALUE" was here", name);
|
||||
}
|
||||
}
|
||||
rb_clear_constant_cache();
|
||||
setup_const_entry(ce, klass, val, visibility);
|
||||
return ST_STOP;
|
||||
/* otherwise, allow to override */
|
||||
autoload_delete(klass, id);
|
||||
}
|
||||
else {
|
||||
VALUE name = QUOTE_ID(id);
|
||||
visibility = ce->flag;
|
||||
if (klass == rb_cObject)
|
||||
rb_warn("already initialized constant %"PRIsVALUE"", name);
|
||||
else
|
||||
rb_warn("already initialized constant %"PRIsVALUE"::%"PRIsVALUE"",
|
||||
rb_class_name(klass), name);
|
||||
if (!NIL_P(ce->file) && ce->line) {
|
||||
rb_compile_warn(RSTRING_PTR(ce->file), ce->line,
|
||||
"previous definition of %"PRIsVALUE" was here", name);
|
||||
}
|
||||
}
|
||||
rb_clear_constant_cache();
|
||||
setup_const_entry(ce, klass, val, visibility);
|
||||
} else {
|
||||
rb_clear_constant_cache();
|
||||
|
||||
ce = ZALLOC(rb_const_entry_t);
|
||||
rb_id_table_insert(tbl, id, (VALUE)ce);
|
||||
setup_const_entry(ce, klass, val, visibility);
|
||||
}
|
||||
|
||||
rb_clear_constant_cache();
|
||||
|
||||
ce = ZALLOC(rb_const_entry_t);
|
||||
*value = (st_data_t)ce;
|
||||
setup_const_entry(ce, klass, val, visibility);
|
||||
return ST_CONTINUE;
|
||||
}
|
||||
|
||||
static void
|
||||
|
|
@ -3053,10 +3050,10 @@ rb_st_copy(VALUE obj, struct st_table *orig_tbl)
|
|||
rb_const_entry_t *
|
||||
rb_const_lookup(VALUE klass, ID id)
|
||||
{
|
||||
st_table *tbl = RCLASS_CONST_TBL(klass);
|
||||
st_data_t val;
|
||||
struct rb_id_table *tbl = RCLASS_CONST_TBL(klass);
|
||||
VALUE val;
|
||||
|
||||
if (tbl && st_lookup(tbl, (st_data_t)id, &val)) {
|
||||
if (tbl && rb_id_table_lookup(tbl, id, &val)) {
|
||||
return (rb_const_entry_t *)val;
|
||||
}
|
||||
return 0;
|
||||
|
|
|
|||
Loading…
Reference in a new issue