зеркало из https://github.com/github/ruby.git
Refactor class variable cache functions
Extracted repeated code as update_classvariable_cache. When cvc table is not set in getclassvariable, an empty table was created but it has no id and would cause [BUG], so made the code same as setclassvariable.
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46ff44ef17
Коммит
0700ee0e94
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@ -3407,14 +3407,17 @@ rb_cvar_set(VALUE klass, ID id, VALUE val)
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}
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struct rb_cvar_class_tbl_entry *ent;
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VALUE ent_data;
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if (!rb_id_table_lookup(rb_cvc_tbl, id, (VALUE*)&ent)) {
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if (!rb_id_table_lookup(rb_cvc_tbl, id, &ent_data)) {
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ent = ALLOC(struct rb_cvar_class_tbl_entry);
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ent->class_value = target;
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ent->global_cvar_state = GET_GLOBAL_CVAR_STATE();
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rb_id_table_insert(rb_cvc_tbl, id, (VALUE)ent);
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RB_DEBUG_COUNTER_INC(cvar_inline_miss);
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} else {
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}
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else {
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ent = (void *)ent_data;
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ent->global_cvar_state = GET_GLOBAL_CVAR_STATE();
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}
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@ -1281,6 +1281,35 @@ vm_setivar(VALUE obj, ID id, VALUE val, const rb_iseq_t *iseq, IVC ic, const str
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}
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}
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static VALUE
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update_classvariable_cache(const rb_iseq_t *iseq, VALUE klass, ID id, ICVARC ic)
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{
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VALUE defined_class = 0;
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VALUE cvar_value = rb_cvar_find(klass, id, &defined_class);
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if (RB_TYPE_P(defined_class, T_ICLASS)) {
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defined_class = RBASIC(defined_class)->klass;
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}
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struct rb_id_table *rb_cvc_tbl = RCLASS_CVC_TBL(defined_class);
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if (!rb_cvc_tbl) {
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rb_bug("the cvc table should be set");
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}
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VALUE ent_data;
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if (!rb_id_table_lookup(rb_cvc_tbl, id, &ent_data)) {
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rb_bug("should have cvar cache entry");
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}
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struct rb_cvar_class_tbl_entry *ent = (void *)ent_data;
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ent->global_cvar_state = GET_GLOBAL_CVAR_STATE();
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ic->entry = ent;
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RB_OBJ_WRITTEN(iseq, Qundef, ent->class_value);
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return cvar_value;
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}
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static inline VALUE
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vm_getclassvariable(const rb_iseq_t *iseq, const rb_cref_t *cref, const rb_control_frame_t *cfp, ID id, ICVARC ic)
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{
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@ -1294,32 +1323,8 @@ vm_getclassvariable(const rb_iseq_t *iseq, const rb_cref_t *cref, const rb_contr
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}
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VALUE klass = vm_get_cvar_base(cref, cfp, 1);
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VALUE defined_class = 0;
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VALUE cvar_value = rb_cvar_find(klass, id, &defined_class);
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if (RB_TYPE_P(defined_class, T_ICLASS)) {
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defined_class = RBASIC(defined_class)->klass;
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}
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struct rb_id_table *rb_cvc_tbl = RCLASS_CVC_TBL(defined_class);
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if (!rb_cvc_tbl) {
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rb_cvc_tbl = RCLASS_CVC_TBL(defined_class) = rb_id_table_create(2);
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}
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struct rb_cvar_class_tbl_entry *ent;
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if (!rb_id_table_lookup(rb_cvc_tbl, id, (VALUE*)&ent)) {
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rb_bug("should have cvar cache entry");
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} else {
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ent->global_cvar_state = GET_GLOBAL_CVAR_STATE();
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}
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ic->entry = ent;
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RB_OBJ_WRITTEN(iseq, Qundef, ent->class_value);
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return cvar_value;
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return update_classvariable_cache(iseq, klass, id, ic);
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}
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static inline void
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@ -1336,29 +1341,7 @@ vm_setclassvariable(const rb_iseq_t *iseq, const rb_cref_t *cref, const rb_contr
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rb_cvar_set(klass, id, val);
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VALUE defined_class = 0;
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rb_cvar_find(klass, id, &defined_class);
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if (RB_TYPE_P(defined_class, T_ICLASS)) {
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defined_class = RBASIC(defined_class)->klass;
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}
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struct rb_id_table *rb_cvc_tbl = RCLASS_CVC_TBL(defined_class);
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if (!rb_cvc_tbl) {
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rb_bug("the cvc table should be set");
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}
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struct rb_cvar_class_tbl_entry *ent;
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if (!rb_id_table_lookup(rb_cvc_tbl, id, (VALUE*)&ent)) {
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rb_bug("should have cvar cache entry");
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} else {
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ent->global_cvar_state = GET_GLOBAL_CVAR_STATE();
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}
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ic->entry = ent;
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RB_OBJ_WRITTEN(iseq, Qundef, ent->class_value);
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update_classvariable_cache(iseq, klass, id, ic);
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}
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static inline VALUE
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