mirror of
https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
aa44b29030
Starting GCC 7, warnings about uninitialized variables are issued around them. Such warnings could be false positives (all versions of clang do not warn), but adding initializers there could never be bad things.
2466 lines
71 KiB
C
2466 lines
71 KiB
C
/*
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* This file is included by vm.c
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*/
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#include "id_table.h"
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#define METHOD_DEBUG 0
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static int vm_redefinition_check_flag(VALUE klass);
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static void rb_vm_check_redefinition_opt_method(const rb_method_entry_t *me, VALUE klass);
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#define object_id idObject_id
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#define added idMethod_added
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#define singleton_added idSingleton_method_added
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#define removed idMethod_removed
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#define singleton_removed idSingleton_method_removed
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#define undefined idMethod_undefined
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#define singleton_undefined idSingleton_method_undefined
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#define attached id__attached__
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#define ruby_running (GET_VM()->running)
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/* int ruby_running = 0; */
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static enum rb_id_table_iterator_result
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vm_ccs_dump_i(ID mid, VALUE val, void *data)
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{
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const struct rb_class_cc_entries *ccs = (struct rb_class_cc_entries *)val;
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fprintf(stderr, " | %s (%d) ", rb_id2name(mid), ccs->len);
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rp(ccs->cme);
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for (int i=0; i<ccs->len; i++) {
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fprintf(stderr, " | [%d] ", i); vm_ci_dump(ccs->entries[i].ci);
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rp_m( " | ", ccs->entries[i].cc);
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}
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return ID_TABLE_CONTINUE;
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}
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static void
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vm_ccs_dump(VALUE klass, ID target_mid)
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{
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struct rb_id_table *cc_tbl = RCLASS_CC_TBL(klass);
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if (cc_tbl) {
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const struct rb_class_cc_entries *ccs;
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if (target_mid) {
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if (rb_id_table_lookup(cc_tbl, target_mid, (VALUE *)&ccs)) {
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fprintf(stderr, " [CCTB] %p\n", (void *)cc_tbl);
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vm_ccs_dump_i(target_mid, (VALUE)ccs, NULL);
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}
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}
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else {
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fprintf(stderr, " [CCTB] %p\n", (void *)cc_tbl);
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rb_id_table_foreach(cc_tbl, vm_ccs_dump_i, (void *)target_mid);
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}
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}
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}
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static enum rb_id_table_iterator_result
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vm_cme_dump_i(ID mid, VALUE val, void *data)
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{
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ID target_mid = (ID)data;
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if (target_mid == 0 || mid == target_mid) {
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rp_m(" > ", val);
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}
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return ID_TABLE_CONTINUE;
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}
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static VALUE
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vm_mtbl_dump(VALUE klass, ID target_mid)
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{
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fprintf(stderr, "# vm_mtbl\n");
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while (klass) {
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rp_m(" -> ", klass);
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rb_method_entry_t *me;
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if (RCLASS_M_TBL(klass)) {
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if (target_mid != 0) {
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if (rb_id_table_lookup(RCLASS_M_TBL(klass), target_mid, (VALUE *)&me)) {
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rp_m(" [MTBL] ", me);
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}
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}
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else {
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fprintf(stderr, " ## RCLASS_M_TBL (%p)\n", (void *)RCLASS_M_TBL(klass));
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rb_id_table_foreach(RCLASS_M_TBL(klass), vm_cme_dump_i, NULL);
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}
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}
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else {
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fprintf(stderr, " MTBL: NULL\n");
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}
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if (RCLASS_CALLABLE_M_TBL(klass)) {
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if (target_mid != 0) {
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if (rb_id_table_lookup(RCLASS_CALLABLE_M_TBL(klass), target_mid, (VALUE *)&me)) {
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rp_m(" [CM**] ", me);
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}
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}
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else {
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fprintf(stderr, " ## RCLASS_CALLABLE_M_TBL\n");
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rb_id_table_foreach(RCLASS_CALLABLE_M_TBL(klass), vm_cme_dump_i, NULL);
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}
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}
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if (RCLASS_CC_TBL(klass)) {
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vm_ccs_dump(klass, target_mid);
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}
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klass = RCLASS_SUPER(klass);
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}
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return Qnil;
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}
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void
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rb_vm_mtbl_dump(const char *msg, VALUE klass, ID target_mid)
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{
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fprintf(stderr, "[%s] ", msg);
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vm_mtbl_dump(klass, target_mid);
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}
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static inline void
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vm_me_invalidate_cache(rb_callable_method_entry_t *cme)
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{
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VM_ASSERT(IMEMO_TYPE_P(cme, imemo_ment));
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VM_ASSERT(callable_method_entry_p(cme));
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METHOD_ENTRY_INVALIDATED_SET(cme);
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RB_DEBUG_COUNTER_INC(cc_cme_invalidate);
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}
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void
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rb_clear_constant_cache(void)
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{
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INC_GLOBAL_CONSTANT_STATE();
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}
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static rb_method_entry_t *rb_method_entry_alloc(ID called_id, VALUE owner, VALUE defined_class, const rb_method_definition_t *def);
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const rb_method_entry_t * rb_method_entry_clone(const rb_method_entry_t *src_me);
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static const rb_callable_method_entry_t *copmplemented_callable_method_entry(VALUE klass, ID id);
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static void
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clear_method_cache_by_id_in_class(VALUE klass, ID mid)
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{
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VM_ASSERT(RB_TYPE_P(klass, T_CLASS) || RB_TYPE_P(klass, T_ICLASS));
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if (LIKELY(RCLASS_EXT(klass)->subclasses == NULL)) {
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// no subclasses
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// check only current class
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struct rb_id_table *cc_tbl = RCLASS_CC_TBL(klass);
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struct rb_class_cc_entries *ccs;
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// invalidate CCs
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if (cc_tbl && rb_id_table_lookup(cc_tbl, mid, (VALUE *)&ccs)) {
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rb_vm_ccs_free(ccs);
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rb_id_table_delete(cc_tbl, mid);
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RB_DEBUG_COUNTER_INC(cc_invalidate_leaf_ccs);
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}
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// remove from callable_m_tbl, if exists
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struct rb_id_table *cm_tbl;
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if ((cm_tbl = RCLASS_CALLABLE_M_TBL(klass)) != NULL) {
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rb_id_table_delete(cm_tbl, mid);
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RB_DEBUG_COUNTER_INC(cc_invalidate_leaf_callable);
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}
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RB_DEBUG_COUNTER_INC(cc_invalidate_leaf);
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}
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else {
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const rb_callable_method_entry_t *cme = copmplemented_callable_method_entry(klass, mid);
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if (cme) {
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// invalidate cme if found to invalidate the inline method cache.
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if (METHOD_ENTRY_CACHED(cme)) {
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// invalidate cc by invalidating cc->cme
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VALUE owner = cme->owner;
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rb_callable_method_entry_t *new_cme =
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(rb_callable_method_entry_t *)rb_method_entry_clone((const rb_method_entry_t *)cme);
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struct rb_id_table *mtbl = RCLASS_M_TBL(RCLASS_ORIGIN(owner));
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rb_id_table_insert(mtbl, mid, (VALUE)new_cme);
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RB_OBJ_WRITTEN(owner, cme, new_cme);
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vm_me_invalidate_cache((rb_callable_method_entry_t *)cme);
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RB_DEBUG_COUNTER_INC(cc_invalidate_tree_cme);
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}
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// invalidate complement tbl
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if (METHOD_ENTRY_COMPLEMENTED(cme)) {
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VALUE defined_class = cme->defined_class;
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struct rb_id_table *cm_tbl = RCLASS_CALLABLE_M_TBL(defined_class);
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VM_ASSERT(cm_tbl != NULL);
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int r = rb_id_table_delete(cm_tbl, mid);
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VM_ASSERT(r == TRUE); (void)r;
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RB_DEBUG_COUNTER_INC(cc_invalidate_tree_callable);
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}
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RB_DEBUG_COUNTER_INC(cc_invalidate_tree);
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}
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}
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}
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static void
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clear_iclass_method_cache_by_id(VALUE iclass, VALUE d)
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{
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VM_ASSERT(RB_TYPE_P(iclass, T_ICLASS));
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ID mid = (ID)d;
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clear_method_cache_by_id_in_class(iclass, mid);
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}
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static void
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clear_iclass_method_cache_by_id_for_refinements(VALUE klass, VALUE d)
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{
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if (RB_TYPE_P(klass, T_ICLASS)) {
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ID mid = (ID)d;
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clear_method_cache_by_id_in_class(klass, mid);
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}
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}
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void
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rb_clear_method_cache(VALUE klass_or_module, ID mid)
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{
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if (RB_TYPE_P(klass_or_module, T_MODULE)) {
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VALUE module = klass_or_module; // alias
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if (FL_TEST(module, RMODULE_IS_REFINEMENT)) {
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VALUE refined_class = rb_refinement_module_get_refined_class(module);
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rb_clear_method_cache(refined_class, mid);
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rb_class_foreach_subclass(refined_class, clear_iclass_method_cache_by_id_for_refinements, mid);
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}
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rb_class_foreach_subclass(module, clear_iclass_method_cache_by_id, mid);
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}
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else {
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clear_method_cache_by_id_in_class(klass_or_module, mid);
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}
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}
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// gc.c
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void rb_cc_table_free(VALUE klass);
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static int
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invalidate_all_cc(void *vstart, void *vend, size_t stride, void *data)
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{
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VALUE v = (VALUE)vstart;
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for (; v != (VALUE)vend; v += stride) {
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if (RBASIC(v)->flags) { // liveness check
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if (RB_TYPE_P(v, T_CLASS) ||
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RB_TYPE_P(v, T_ICLASS)) {
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if (RCLASS_CC_TBL(v)) {
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rb_cc_table_free(v);
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}
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RCLASS_CC_TBL(v) = NULL;
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}
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}
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}
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return 0; // continue to iteration
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}
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void
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rb_clear_method_cache_all(void)
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{
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rb_objspace_each_objects(invalidate_all_cc, NULL);
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}
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VALUE
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rb_f_notimplement(int argc, const VALUE *argv, VALUE obj, VALUE marker)
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{
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rb_notimplement();
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UNREACHABLE_RETURN(Qnil);
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}
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static void
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rb_define_notimplement_method_id(VALUE mod, ID id, rb_method_visibility_t visi)
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{
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rb_add_method(mod, id, VM_METHOD_TYPE_NOTIMPLEMENTED, (void *)1, visi);
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}
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void
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rb_add_method_cfunc(VALUE klass, ID mid, VALUE (*func)(ANYARGS), int argc, rb_method_visibility_t visi)
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{
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if (argc < -2 || 15 < argc) rb_raise(rb_eArgError, "arity out of range: %d for -2..15", argc);
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if (func != rb_f_notimplement) {
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rb_method_cfunc_t opt;
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opt.func = func;
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opt.argc = argc;
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rb_add_method(klass, mid, VM_METHOD_TYPE_CFUNC, &opt, visi);
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}
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else {
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rb_define_notimplement_method_id(klass, mid, visi);
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}
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}
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static void
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rb_method_definition_release(rb_method_definition_t *def, int complemented)
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{
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if (def != NULL) {
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const int alias_count = def->alias_count;
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const int complemented_count = def->complemented_count;
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VM_ASSERT(alias_count >= 0);
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VM_ASSERT(complemented_count >= 0);
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if (alias_count + complemented_count == 0) {
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if (METHOD_DEBUG) fprintf(stderr, "-%p-%s:%d,%d (remove)\n", (void *)def,
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rb_id2name(def->original_id), alias_count, complemented_count);
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VM_ASSERT(def->type == VM_METHOD_TYPE_BMETHOD ? def->body.bmethod.hooks == NULL : TRUE);
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xfree(def);
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}
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else {
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if (complemented) {
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VM_ASSERT(def->complemented_count > 0);
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def->complemented_count--;
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}
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else if (def->alias_count > 0) {
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def->alias_count--;
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}
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if (METHOD_DEBUG) fprintf(stderr, "-%p-%s:%d->%d,%d->%d (dec)\n", (void *)def, rb_id2name(def->original_id),
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alias_count, def->alias_count, complemented_count, def->complemented_count);
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}
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}
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}
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void
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rb_free_method_entry(const rb_method_entry_t *me)
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{
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rb_method_definition_release(me->def, METHOD_ENTRY_COMPLEMENTED(me));
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}
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static inline rb_method_entry_t *search_method(VALUE klass, ID id, VALUE *defined_class_ptr);
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extern int rb_method_definition_eq(const rb_method_definition_t *d1, const rb_method_definition_t *d2);
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static VALUE
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(*call_cfunc_invoker_func(int argc))(VALUE recv, int argc, const VALUE *, VALUE (*func)(ANYARGS))
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{
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switch (argc) {
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case -2: return &call_cfunc_m2;
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case -1: return &call_cfunc_m1;
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case 0: return &call_cfunc_0;
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case 1: return &call_cfunc_1;
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case 2: return &call_cfunc_2;
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case 3: return &call_cfunc_3;
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case 4: return &call_cfunc_4;
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case 5: return &call_cfunc_5;
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case 6: return &call_cfunc_6;
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case 7: return &call_cfunc_7;
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case 8: return &call_cfunc_8;
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case 9: return &call_cfunc_9;
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case 10: return &call_cfunc_10;
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case 11: return &call_cfunc_11;
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case 12: return &call_cfunc_12;
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case 13: return &call_cfunc_13;
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case 14: return &call_cfunc_14;
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case 15: return &call_cfunc_15;
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default:
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rb_bug("call_cfunc_func: unsupported length: %d", argc);
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}
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}
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static void
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setup_method_cfunc_struct(rb_method_cfunc_t *cfunc, VALUE (*func)(), int argc)
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{
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cfunc->func = func;
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cfunc->argc = argc;
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cfunc->invoker = call_cfunc_invoker_func(argc);
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}
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MJIT_FUNC_EXPORTED void
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rb_method_definition_set(const rb_method_entry_t *me, rb_method_definition_t *def, void *opts)
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{
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*(rb_method_definition_t **)&me->def = def;
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if (opts != NULL) {
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switch (def->type) {
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case VM_METHOD_TYPE_ISEQ:
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{
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rb_method_iseq_t *iseq_body = (rb_method_iseq_t *)opts;
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rb_cref_t *method_cref, *cref = iseq_body->cref;
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/* setup iseq first (before invoking GC) */
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RB_OBJ_WRITE(me, &def->body.iseq.iseqptr, iseq_body->iseqptr);
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if (0) vm_cref_dump("rb_method_definition_create", cref);
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if (cref) {
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method_cref = cref;
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}
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else {
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method_cref = vm_cref_new_toplevel(GET_EC()); /* TODO: can we reuse? */
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}
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RB_OBJ_WRITE(me, &def->body.iseq.cref, method_cref);
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return;
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}
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case VM_METHOD_TYPE_CFUNC:
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{
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rb_method_cfunc_t *cfunc = (rb_method_cfunc_t *)opts;
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setup_method_cfunc_struct(UNALIGNED_MEMBER_PTR(def, body.cfunc), cfunc->func, cfunc->argc);
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return;
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}
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case VM_METHOD_TYPE_ATTRSET:
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case VM_METHOD_TYPE_IVAR:
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{
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const rb_execution_context_t *ec = GET_EC();
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rb_control_frame_t *cfp;
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int line;
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def->body.attr.id = (ID)(VALUE)opts;
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cfp = rb_vm_get_ruby_level_next_cfp(ec, ec->cfp);
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if (cfp && (line = rb_vm_get_sourceline(cfp))) {
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VALUE location = rb_ary_new3(2, rb_iseq_path(cfp->iseq), INT2FIX(line));
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RB_OBJ_WRITE(me, &def->body.attr.location, rb_ary_freeze(location));
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}
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else {
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VM_ASSERT(def->body.attr.location == 0);
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}
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return;
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}
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case VM_METHOD_TYPE_BMETHOD:
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RB_OBJ_WRITE(me, &def->body.bmethod.proc, (VALUE)opts);
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return;
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case VM_METHOD_TYPE_NOTIMPLEMENTED:
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setup_method_cfunc_struct(UNALIGNED_MEMBER_PTR(def, body.cfunc), rb_f_notimplement, -1);
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return;
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case VM_METHOD_TYPE_OPTIMIZED:
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def->body.optimize_type = (enum method_optimized_type)(intptr_t)opts;
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return;
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case VM_METHOD_TYPE_REFINED:
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{
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const rb_method_refined_t *refined = (rb_method_refined_t *)opts;
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RB_OBJ_WRITE(me, &def->body.refined.orig_me, refined->orig_me);
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RB_OBJ_WRITE(me, &def->body.refined.owner, refined->owner);
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return;
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}
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case VM_METHOD_TYPE_ALIAS:
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RB_OBJ_WRITE(me, &def->body.alias.original_me, (rb_method_entry_t *)opts);
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return;
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case VM_METHOD_TYPE_ZSUPER:
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case VM_METHOD_TYPE_UNDEF:
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case VM_METHOD_TYPE_MISSING:
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return;
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}
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}
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}
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static void
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method_definition_reset(const rb_method_entry_t *me)
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{
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rb_method_definition_t *def = me->def;
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switch(def->type) {
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case VM_METHOD_TYPE_ISEQ:
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RB_OBJ_WRITTEN(me, Qundef, def->body.iseq.iseqptr);
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RB_OBJ_WRITTEN(me, Qundef, def->body.iseq.cref);
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break;
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case VM_METHOD_TYPE_ATTRSET:
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case VM_METHOD_TYPE_IVAR:
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RB_OBJ_WRITTEN(me, Qundef, def->body.attr.location);
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break;
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case VM_METHOD_TYPE_BMETHOD:
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RB_OBJ_WRITTEN(me, Qundef, def->body.bmethod.proc);
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/* give up to check all in a list */
|
|
if (def->body.bmethod.hooks) rb_gc_writebarrier_remember((VALUE)me);
|
|
break;
|
|
case VM_METHOD_TYPE_REFINED:
|
|
RB_OBJ_WRITTEN(me, Qundef, def->body.refined.orig_me);
|
|
RB_OBJ_WRITTEN(me, Qundef, def->body.refined.owner);
|
|
break;
|
|
case VM_METHOD_TYPE_ALIAS:
|
|
RB_OBJ_WRITTEN(me, Qundef, def->body.alias.original_me);
|
|
break;
|
|
case VM_METHOD_TYPE_CFUNC:
|
|
case VM_METHOD_TYPE_ZSUPER:
|
|
case VM_METHOD_TYPE_MISSING:
|
|
case VM_METHOD_TYPE_OPTIMIZED:
|
|
case VM_METHOD_TYPE_UNDEF:
|
|
case VM_METHOD_TYPE_NOTIMPLEMENTED:
|
|
break;
|
|
}
|
|
}
|
|
|
|
MJIT_FUNC_EXPORTED rb_method_definition_t *
|
|
rb_method_definition_create(rb_method_type_t type, ID mid)
|
|
{
|
|
rb_method_definition_t *def;
|
|
def = ZALLOC(rb_method_definition_t);
|
|
def->type = type;
|
|
def->original_id = mid;
|
|
static uintptr_t method_serial = 1;
|
|
def->method_serial = method_serial++;
|
|
return def;
|
|
}
|
|
|
|
static rb_method_definition_t *
|
|
method_definition_addref(rb_method_definition_t *def)
|
|
{
|
|
def->alias_count++;
|
|
if (METHOD_DEBUG) fprintf(stderr, "+%p-%s:%d\n", (void *)def, rb_id2name(def->original_id), def->alias_count);
|
|
return def;
|
|
}
|
|
|
|
static rb_method_definition_t *
|
|
method_definition_addref_complement(rb_method_definition_t *def)
|
|
{
|
|
def->complemented_count++;
|
|
if (METHOD_DEBUG) fprintf(stderr, "+%p-%s:%d\n", (void *)def, rb_id2name(def->original_id), def->complemented_count);
|
|
return def;
|
|
}
|
|
|
|
static rb_method_entry_t *
|
|
rb_method_entry_alloc(ID called_id, VALUE owner, VALUE defined_class, const rb_method_definition_t *def)
|
|
{
|
|
rb_method_entry_t *me = (rb_method_entry_t *)rb_imemo_new(imemo_ment, (VALUE)def, (VALUE)called_id, owner, defined_class);
|
|
return me;
|
|
}
|
|
|
|
static VALUE
|
|
filter_defined_class(VALUE klass)
|
|
{
|
|
switch (BUILTIN_TYPE(klass)) {
|
|
case T_CLASS:
|
|
return klass;
|
|
case T_MODULE:
|
|
return 0;
|
|
case T_ICLASS:
|
|
break;
|
|
}
|
|
rb_bug("filter_defined_class: %s", rb_obj_info(klass));
|
|
}
|
|
|
|
rb_method_entry_t *
|
|
rb_method_entry_create(ID called_id, VALUE klass, rb_method_visibility_t visi, const rb_method_definition_t *def)
|
|
{
|
|
rb_method_entry_t *me = rb_method_entry_alloc(called_id, klass, filter_defined_class(klass), def);
|
|
METHOD_ENTRY_FLAGS_SET(me, visi, ruby_running ? FALSE : TRUE);
|
|
if (def != NULL) method_definition_reset(me);
|
|
return me;
|
|
}
|
|
|
|
const rb_method_entry_t *
|
|
rb_method_entry_clone(const rb_method_entry_t *src_me)
|
|
{
|
|
rb_method_entry_t *me = rb_method_entry_alloc(src_me->called_id, src_me->owner, src_me->defined_class,
|
|
method_definition_addref(src_me->def));
|
|
if (METHOD_ENTRY_COMPLEMENTED(src_me)) {
|
|
method_definition_addref_complement(src_me->def);
|
|
}
|
|
|
|
METHOD_ENTRY_FLAGS_COPY(me, src_me);
|
|
return me;
|
|
}
|
|
|
|
MJIT_FUNC_EXPORTED const rb_callable_method_entry_t *
|
|
rb_method_entry_complement_defined_class(const rb_method_entry_t *src_me, ID called_id, VALUE defined_class)
|
|
{
|
|
rb_method_definition_t *def = src_me->def;
|
|
rb_method_entry_t *me;
|
|
struct {
|
|
const struct rb_method_entry_struct *orig_me;
|
|
VALUE owner;
|
|
} refined = {0};
|
|
|
|
if (!src_me->defined_class &&
|
|
def->type == VM_METHOD_TYPE_REFINED &&
|
|
def->body.refined.orig_me) {
|
|
const rb_method_entry_t *orig_me =
|
|
rb_method_entry_clone(def->body.refined.orig_me);
|
|
RB_OBJ_WRITE((VALUE)orig_me, &orig_me->defined_class, defined_class);
|
|
refined.orig_me = orig_me;
|
|
refined.owner = orig_me->owner;
|
|
def = NULL;
|
|
}
|
|
else {
|
|
def = method_definition_addref_complement(def);
|
|
}
|
|
me = rb_method_entry_alloc(called_id, src_me->owner, defined_class, def);
|
|
METHOD_ENTRY_FLAGS_COPY(me, src_me);
|
|
METHOD_ENTRY_COMPLEMENTED_SET(me);
|
|
if (!def) {
|
|
def = rb_method_definition_create(VM_METHOD_TYPE_REFINED, called_id);
|
|
rb_method_definition_set(me, def, &refined);
|
|
}
|
|
|
|
VM_ASSERT(RB_TYPE_P(me->owner, T_MODULE));
|
|
|
|
return (rb_callable_method_entry_t *)me;
|
|
}
|
|
|
|
void
|
|
rb_method_entry_copy(rb_method_entry_t *dst, const rb_method_entry_t *src)
|
|
{
|
|
*(rb_method_definition_t **)&dst->def = method_definition_addref(src->def);
|
|
method_definition_reset(dst);
|
|
dst->called_id = src->called_id;
|
|
RB_OBJ_WRITE((VALUE)dst, &dst->owner, src->owner);
|
|
RB_OBJ_WRITE((VALUE)dst, &dst->defined_class, src->defined_class);
|
|
METHOD_ENTRY_FLAGS_COPY(dst, src);
|
|
}
|
|
|
|
static void
|
|
make_method_entry_refined(VALUE owner, rb_method_entry_t *me)
|
|
{
|
|
if (me->def->type == VM_METHOD_TYPE_REFINED) {
|
|
return;
|
|
}
|
|
else {
|
|
struct {
|
|
struct rb_method_entry_struct *orig_me;
|
|
VALUE owner;
|
|
} refined;
|
|
rb_method_definition_t *def;
|
|
|
|
rb_vm_check_redefinition_opt_method(me, me->owner);
|
|
|
|
refined.orig_me =
|
|
rb_method_entry_alloc(me->called_id, me->owner,
|
|
me->defined_class ?
|
|
me->defined_class : owner,
|
|
method_definition_addref(me->def));
|
|
METHOD_ENTRY_FLAGS_COPY(refined.orig_me, me);
|
|
refined.owner = owner;
|
|
|
|
def = rb_method_definition_create(VM_METHOD_TYPE_REFINED, me->called_id);
|
|
rb_method_definition_set(me, def, (void *)&refined);
|
|
METHOD_ENTRY_VISI_SET(me, METHOD_VISI_PUBLIC);
|
|
}
|
|
}
|
|
|
|
static inline rb_method_entry_t *
|
|
lookup_method_table(VALUE klass, ID id)
|
|
{
|
|
st_data_t body;
|
|
struct rb_id_table *m_tbl = RCLASS_M_TBL(klass);
|
|
|
|
if (rb_id_table_lookup(m_tbl, id, &body)) {
|
|
return (rb_method_entry_t *) body;
|
|
}
|
|
else {
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
void
|
|
rb_add_refined_method_entry(VALUE refined_class, ID mid)
|
|
{
|
|
rb_method_entry_t *me = lookup_method_table(refined_class, mid);
|
|
|
|
if (me) {
|
|
make_method_entry_refined(refined_class, me);
|
|
rb_clear_method_cache(refined_class, mid);
|
|
}
|
|
else {
|
|
rb_add_method(refined_class, mid, VM_METHOD_TYPE_REFINED, 0, METHOD_VISI_PUBLIC);
|
|
}
|
|
}
|
|
|
|
static void
|
|
check_override_opt_method_i(VALUE klass, VALUE arg)
|
|
{
|
|
ID mid = (ID)arg;
|
|
const rb_method_entry_t *me, *newme;
|
|
|
|
if (vm_redefinition_check_flag(klass)) {
|
|
me = lookup_method_table(RCLASS_ORIGIN(klass), mid);
|
|
if (me) {
|
|
newme = rb_method_entry(klass, mid);
|
|
if (newme != me) rb_vm_check_redefinition_opt_method(me, me->owner);
|
|
}
|
|
}
|
|
rb_class_foreach_subclass(klass, check_override_opt_method_i, (VALUE)mid);
|
|
}
|
|
|
|
static void
|
|
check_override_opt_method(VALUE klass, VALUE mid)
|
|
{
|
|
if (rb_vm_check_optimizable_mid(mid)) {
|
|
check_override_opt_method_i(klass, mid);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* klass->method_table[mid] = method_entry(defined_class, visi, def)
|
|
*
|
|
* If def is given (!= NULL), then just use it and ignore original_id and otps.
|
|
* If not given, then make a new def with original_id and opts.
|
|
*/
|
|
static rb_method_entry_t *
|
|
rb_method_entry_make(VALUE klass, ID mid, VALUE defined_class, rb_method_visibility_t visi,
|
|
rb_method_type_t type, rb_method_definition_t *def, ID original_id, void *opts)
|
|
{
|
|
rb_method_entry_t *me;
|
|
struct rb_id_table *mtbl;
|
|
st_data_t data;
|
|
int make_refined = 0;
|
|
|
|
if (NIL_P(klass)) {
|
|
klass = rb_cObject;
|
|
}
|
|
if (!FL_TEST(klass, FL_SINGLETON) &&
|
|
type != VM_METHOD_TYPE_NOTIMPLEMENTED &&
|
|
type != VM_METHOD_TYPE_ZSUPER) {
|
|
switch (mid) {
|
|
case idInitialize:
|
|
case idInitialize_copy:
|
|
case idInitialize_clone:
|
|
case idInitialize_dup:
|
|
case idRespond_to_missing:
|
|
visi = METHOD_VISI_PRIVATE;
|
|
}
|
|
}
|
|
|
|
rb_class_modify_check(klass);
|
|
|
|
if (FL_TEST(klass, RMODULE_IS_REFINEMENT)) {
|
|
VALUE refined_class = rb_refinement_module_get_refined_class(klass);
|
|
rb_add_refined_method_entry(refined_class, mid);
|
|
}
|
|
if (type == VM_METHOD_TYPE_REFINED) {
|
|
rb_method_entry_t *old_me = lookup_method_table(RCLASS_ORIGIN(klass), mid);
|
|
if (old_me) rb_vm_check_redefinition_opt_method(old_me, klass);
|
|
}
|
|
else {
|
|
klass = RCLASS_ORIGIN(klass);
|
|
}
|
|
mtbl = RCLASS_M_TBL(klass);
|
|
|
|
/* check re-definition */
|
|
if (rb_id_table_lookup(mtbl, mid, &data)) {
|
|
rb_method_entry_t *old_me = (rb_method_entry_t *)data;
|
|
rb_method_definition_t *old_def = old_me->def;
|
|
|
|
if (rb_method_definition_eq(old_def, def)) return old_me;
|
|
rb_vm_check_redefinition_opt_method(old_me, klass);
|
|
|
|
if (old_def->type == VM_METHOD_TYPE_REFINED) make_refined = 1;
|
|
|
|
if (RTEST(ruby_verbose) &&
|
|
type != VM_METHOD_TYPE_UNDEF &&
|
|
(old_def->alias_count == 0) &&
|
|
!make_refined &&
|
|
old_def->type != VM_METHOD_TYPE_UNDEF &&
|
|
old_def->type != VM_METHOD_TYPE_ZSUPER &&
|
|
old_def->type != VM_METHOD_TYPE_ALIAS) {
|
|
const rb_iseq_t *iseq = 0;
|
|
|
|
rb_warning("method redefined; discarding old %"PRIsVALUE, rb_id2str(mid));
|
|
switch (old_def->type) {
|
|
case VM_METHOD_TYPE_ISEQ:
|
|
iseq = def_iseq_ptr(old_def);
|
|
break;
|
|
case VM_METHOD_TYPE_BMETHOD:
|
|
iseq = rb_proc_get_iseq(old_def->body.bmethod.proc, 0);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
if (iseq) {
|
|
rb_compile_warning(RSTRING_PTR(rb_iseq_path(iseq)),
|
|
FIX2INT(iseq->body->location.first_lineno),
|
|
"previous definition of %"PRIsVALUE" was here",
|
|
rb_id2str(old_def->original_id));
|
|
}
|
|
}
|
|
}
|
|
|
|
/* create method entry */
|
|
me = rb_method_entry_create(mid, defined_class, visi, NULL);
|
|
if (def == NULL) def = rb_method_definition_create(type, original_id);
|
|
rb_method_definition_set(me, def, opts);
|
|
|
|
rb_clear_method_cache(klass, mid);
|
|
|
|
/* check mid */
|
|
if (klass == rb_cObject) {
|
|
switch (mid) {
|
|
case idInitialize:
|
|
case idRespond_to_missing:
|
|
case idMethodMissing:
|
|
case idRespond_to:
|
|
rb_warn("redefining Object#%s may cause infinite loop", rb_id2name(mid));
|
|
}
|
|
}
|
|
/* check mid */
|
|
if (mid == object_id || mid == id__send__) {
|
|
if (type == VM_METHOD_TYPE_ISEQ && search_method(klass, mid, 0)) {
|
|
rb_warn("redefining `%s' may cause serious problems", rb_id2name(mid));
|
|
}
|
|
}
|
|
|
|
if (make_refined) {
|
|
make_method_entry_refined(klass, me);
|
|
}
|
|
|
|
rb_id_table_insert(mtbl, mid, (VALUE)me);
|
|
RB_OBJ_WRITTEN(klass, Qundef, (VALUE)me);
|
|
|
|
VM_ASSERT(me->def != NULL);
|
|
|
|
/* check optimized method override by a prepended module */
|
|
if (RB_TYPE_P(klass, T_MODULE)) {
|
|
check_override_opt_method(klass, (VALUE)mid);
|
|
}
|
|
|
|
return me;
|
|
}
|
|
|
|
#define CALL_METHOD_HOOK(klass, hook, mid) do { \
|
|
const VALUE arg = ID2SYM(mid); \
|
|
VALUE recv_class = (klass); \
|
|
ID hook_id = (hook); \
|
|
if (FL_TEST((klass), FL_SINGLETON)) { \
|
|
recv_class = rb_ivar_get((klass), attached); \
|
|
hook_id = singleton_##hook; \
|
|
} \
|
|
rb_funcallv(recv_class, hook_id, 1, &arg); \
|
|
} while (0)
|
|
|
|
static void
|
|
method_added(VALUE klass, ID mid)
|
|
{
|
|
if (ruby_running) {
|
|
CALL_METHOD_HOOK(klass, added, mid);
|
|
}
|
|
}
|
|
|
|
void
|
|
rb_add_method(VALUE klass, ID mid, rb_method_type_t type, void *opts, rb_method_visibility_t visi)
|
|
{
|
|
rb_method_entry_make(klass, mid, klass, visi, type, NULL, mid, opts);
|
|
|
|
if (type != VM_METHOD_TYPE_UNDEF && type != VM_METHOD_TYPE_REFINED) {
|
|
method_added(klass, mid);
|
|
}
|
|
}
|
|
|
|
MJIT_FUNC_EXPORTED void
|
|
rb_add_method_iseq(VALUE klass, ID mid, const rb_iseq_t *iseq, rb_cref_t *cref, rb_method_visibility_t visi)
|
|
{
|
|
struct { /* should be same fields with rb_method_iseq_struct */
|
|
const rb_iseq_t *iseqptr;
|
|
rb_cref_t *cref;
|
|
} iseq_body;
|
|
|
|
iseq_body.iseqptr = iseq;
|
|
iseq_body.cref = cref;
|
|
rb_add_method(klass, mid, VM_METHOD_TYPE_ISEQ, &iseq_body, visi);
|
|
}
|
|
|
|
static rb_method_entry_t *
|
|
method_entry_set(VALUE klass, ID mid, const rb_method_entry_t *me,
|
|
rb_method_visibility_t visi, VALUE defined_class)
|
|
{
|
|
rb_method_entry_t *newme = rb_method_entry_make(klass, mid, defined_class, visi,
|
|
me->def->type, method_definition_addref(me->def), 0, NULL);
|
|
method_added(klass, mid);
|
|
return newme;
|
|
}
|
|
|
|
rb_method_entry_t *
|
|
rb_method_entry_set(VALUE klass, ID mid, const rb_method_entry_t *me, rb_method_visibility_t visi)
|
|
{
|
|
return method_entry_set(klass, mid, me, visi, klass);
|
|
}
|
|
|
|
#define UNDEF_ALLOC_FUNC ((rb_alloc_func_t)-1)
|
|
|
|
void
|
|
rb_define_alloc_func(VALUE klass, VALUE (*func)(VALUE))
|
|
{
|
|
Check_Type(klass, T_CLASS);
|
|
RCLASS_EXT(klass)->allocator = func;
|
|
}
|
|
|
|
void
|
|
rb_undef_alloc_func(VALUE klass)
|
|
{
|
|
rb_define_alloc_func(klass, UNDEF_ALLOC_FUNC);
|
|
}
|
|
|
|
rb_alloc_func_t
|
|
rb_get_alloc_func(VALUE klass)
|
|
{
|
|
Check_Type(klass, T_CLASS);
|
|
|
|
for (; klass; klass = RCLASS_SUPER(klass)) {
|
|
rb_alloc_func_t allocator = RCLASS_EXT(klass)->allocator;
|
|
if (allocator == UNDEF_ALLOC_FUNC) break;
|
|
if (allocator) return allocator;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
const rb_method_entry_t *
|
|
rb_method_entry_at(VALUE klass, ID id)
|
|
{
|
|
return lookup_method_table(klass, id);
|
|
}
|
|
|
|
static inline rb_method_entry_t*
|
|
search_method(VALUE klass, ID id, VALUE *defined_class_ptr)
|
|
{
|
|
rb_method_entry_t *me = NULL;
|
|
|
|
RB_DEBUG_COUNTER_INC(mc_search);
|
|
|
|
for (; klass; klass = RCLASS_SUPER(klass)) {
|
|
RB_DEBUG_COUNTER_INC(mc_search_super);
|
|
if ((me = lookup_method_table(klass, id)) != 0) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (defined_class_ptr) *defined_class_ptr = klass;
|
|
|
|
if (me == NULL) RB_DEBUG_COUNTER_INC(mc_search_notfound);
|
|
|
|
VM_ASSERT(me == NULL || !METHOD_ENTRY_INVALIDATED(me));
|
|
return me;
|
|
}
|
|
|
|
static rb_method_entry_t *
|
|
search_method_protect(VALUE klass, ID id, VALUE *defined_class_ptr)
|
|
{
|
|
rb_method_entry_t *me = search_method(klass, id, defined_class_ptr);
|
|
|
|
if (!UNDEFINED_METHOD_ENTRY_P(me)) {
|
|
return me;
|
|
}
|
|
else {
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
MJIT_FUNC_EXPORTED const rb_method_entry_t *
|
|
rb_method_entry(VALUE klass, ID id)
|
|
{
|
|
return search_method(klass, id, NULL);
|
|
}
|
|
|
|
static inline const rb_callable_method_entry_t *
|
|
prepare_callable_method_entry(VALUE defined_class, ID id, const rb_method_entry_t * const me, int create)
|
|
{
|
|
struct rb_id_table *mtbl;
|
|
const rb_callable_method_entry_t *cme;
|
|
|
|
if (me) {
|
|
if (me->defined_class == 0) {
|
|
RB_DEBUG_COUNTER_INC(mc_cme_complement);
|
|
VM_ASSERT(RB_TYPE_P(defined_class, T_ICLASS) || RB_TYPE_P(defined_class, T_MODULE));
|
|
VM_ASSERT(me->defined_class == 0);
|
|
|
|
mtbl = RCLASS_CALLABLE_M_TBL(defined_class);
|
|
|
|
if (mtbl && rb_id_table_lookup(mtbl, id, (VALUE *)&cme)) {
|
|
RB_DEBUG_COUNTER_INC(mc_cme_complement_hit);
|
|
VM_ASSERT(callable_method_entry_p(cme));
|
|
VM_ASSERT(!METHOD_ENTRY_INVALIDATED(cme));
|
|
}
|
|
else if (create) {
|
|
if (!mtbl) {
|
|
mtbl = RCLASS_EXT(defined_class)->callable_m_tbl = rb_id_table_create(0);
|
|
}
|
|
cme = rb_method_entry_complement_defined_class(me, me->called_id, defined_class);
|
|
rb_id_table_insert(mtbl, id, (VALUE)cme);
|
|
VM_ASSERT(callable_method_entry_p(cme));
|
|
}
|
|
else {
|
|
return NULL;
|
|
}
|
|
}
|
|
else {
|
|
cme = (const rb_callable_method_entry_t *)me;
|
|
VM_ASSERT(callable_method_entry_p(cme));
|
|
VM_ASSERT(!METHOD_ENTRY_INVALIDATED(cme));
|
|
}
|
|
return cme;
|
|
}
|
|
else {
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
static const rb_callable_method_entry_t *
|
|
copmplemented_callable_method_entry(VALUE klass, ID id)
|
|
{
|
|
VALUE defined_class;
|
|
rb_method_entry_t *me = search_method_protect(klass, id, &defined_class);
|
|
return prepare_callable_method_entry(defined_class, id, me, FALSE);
|
|
}
|
|
|
|
static const rb_callable_method_entry_t *
|
|
cached_callable_method_entry(VALUE klass, ID mid)
|
|
{
|
|
struct rb_id_table *cc_tbl = RCLASS_CC_TBL(klass);
|
|
struct rb_class_cc_entries *ccs;
|
|
|
|
if (cc_tbl && rb_id_table_lookup(cc_tbl, mid, (VALUE *)&ccs)) {
|
|
VM_ASSERT(vm_ccs_p(ccs));
|
|
|
|
if (LIKELY(!METHOD_ENTRY_INVALIDATED(ccs->cme))) {
|
|
VM_ASSERT(ccs->cme->called_id == mid);
|
|
RB_DEBUG_COUNTER_INC(ccs_found);
|
|
return ccs->cme;
|
|
}
|
|
else {
|
|
rb_vm_ccs_free(ccs);
|
|
rb_id_table_delete(cc_tbl, mid);
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
static void
|
|
cache_callable_method_entry(VALUE klass, ID mid, const rb_callable_method_entry_t *cme)
|
|
{
|
|
struct rb_id_table *cc_tbl = RCLASS_CC_TBL(klass);
|
|
struct rb_class_cc_entries *ccs;
|
|
|
|
if (!cc_tbl) {
|
|
cc_tbl = RCLASS_CC_TBL(klass) = rb_id_table_create(2);
|
|
}
|
|
|
|
if (rb_id_table_lookup(cc_tbl, mid, (VALUE *)&ccs)) {
|
|
VM_ASSERT(ccs->cme == cme);
|
|
}
|
|
else {
|
|
ccs = vm_ccs_create(klass, cme);
|
|
rb_id_table_insert(cc_tbl, mid, (VALUE)ccs);
|
|
}
|
|
}
|
|
|
|
static const rb_callable_method_entry_t *
|
|
callable_method_entry(VALUE klass, ID mid, VALUE *defined_class_ptr)
|
|
{
|
|
VM_ASSERT(RB_TYPE_P(klass, T_CLASS) || RB_TYPE_P(klass, T_ICLASS));
|
|
const rb_callable_method_entry_t *cme = cached_callable_method_entry(klass, mid);
|
|
|
|
if (cme) {
|
|
if (defined_class_ptr != NULL) *defined_class_ptr = cme->defined_class;
|
|
}
|
|
else {
|
|
VALUE defined_class;
|
|
rb_method_entry_t *me = search_method_protect(klass, mid, &defined_class);
|
|
if (defined_class_ptr) *defined_class_ptr = defined_class;
|
|
cme = prepare_callable_method_entry(defined_class, mid, me, TRUE);
|
|
if (cme) cache_callable_method_entry(klass, mid, cme);
|
|
}
|
|
|
|
return cme;
|
|
}
|
|
|
|
MJIT_FUNC_EXPORTED const rb_callable_method_entry_t *
|
|
rb_callable_method_entry(VALUE klass, ID mid)
|
|
{
|
|
return callable_method_entry(klass, mid, NULL);
|
|
}
|
|
|
|
static const rb_method_entry_t *resolve_refined_method(VALUE refinements, const rb_method_entry_t *me, VALUE *defined_class_ptr);
|
|
|
|
static const rb_method_entry_t *
|
|
method_entry_resolve_refinement(VALUE klass, ID id, int with_refinement, VALUE *defined_class_ptr)
|
|
{
|
|
const rb_method_entry_t *me = search_method_protect(klass, id, defined_class_ptr);
|
|
|
|
if (me) {
|
|
if (me->def->type == VM_METHOD_TYPE_REFINED) {
|
|
if (with_refinement) {
|
|
const rb_cref_t *cref = rb_vm_cref();
|
|
VALUE refinements = cref ? CREF_REFINEMENTS(cref) : Qnil;
|
|
me = resolve_refined_method(refinements, me, defined_class_ptr);
|
|
}
|
|
else {
|
|
me = resolve_refined_method(Qnil, me, defined_class_ptr);
|
|
}
|
|
|
|
if (UNDEFINED_METHOD_ENTRY_P(me)) me = NULL;
|
|
}
|
|
}
|
|
|
|
return me;
|
|
}
|
|
|
|
const rb_method_entry_t *
|
|
rb_method_entry_with_refinements(VALUE klass, ID id, VALUE *defined_class_ptr)
|
|
{
|
|
return method_entry_resolve_refinement(klass, id, TRUE, defined_class_ptr);
|
|
}
|
|
|
|
MJIT_FUNC_EXPORTED const rb_callable_method_entry_t *
|
|
rb_callable_method_entry_with_refinements(VALUE klass, ID id, VALUE *defined_class_ptr)
|
|
{
|
|
const rb_callable_method_entry_t *cme = callable_method_entry(klass, id, defined_class_ptr);
|
|
if (cme == NULL || cme->def->type != VM_METHOD_TYPE_REFINED) {
|
|
return cme;
|
|
}
|
|
else {
|
|
VALUE defined_class, *dcp = defined_class_ptr ? defined_class_ptr : &defined_class;
|
|
const rb_method_entry_t *me = method_entry_resolve_refinement(klass, id, TRUE, dcp);
|
|
return prepare_callable_method_entry(*dcp, id, me, TRUE);
|
|
}
|
|
}
|
|
|
|
const rb_method_entry_t *
|
|
rb_method_entry_without_refinements(VALUE klass, ID id, VALUE *defined_class_ptr)
|
|
{
|
|
return method_entry_resolve_refinement(klass, id, FALSE, defined_class_ptr);
|
|
}
|
|
|
|
MJIT_FUNC_EXPORTED const rb_callable_method_entry_t *
|
|
rb_callable_method_entry_without_refinements(VALUE klass, ID id, VALUE *defined_class_ptr)
|
|
{
|
|
VALUE defined_class, *dcp = defined_class_ptr ? defined_class_ptr : &defined_class;
|
|
const rb_method_entry_t *me = method_entry_resolve_refinement(klass, id, FALSE, dcp);
|
|
return prepare_callable_method_entry(*dcp, id, me, TRUE);
|
|
}
|
|
|
|
static const rb_method_entry_t *
|
|
resolve_refined_method(VALUE refinements, const rb_method_entry_t *me, VALUE *defined_class_ptr)
|
|
{
|
|
while (me && me->def->type == VM_METHOD_TYPE_REFINED) {
|
|
VALUE refinement;
|
|
const rb_method_entry_t *tmp_me;
|
|
VALUE super;
|
|
|
|
refinement = find_refinement(refinements, me->owner);
|
|
if (!NIL_P(refinement)) {
|
|
tmp_me = search_method_protect(refinement, me->called_id, defined_class_ptr);
|
|
|
|
if (tmp_me && tmp_me->def->type != VM_METHOD_TYPE_REFINED) {
|
|
return tmp_me;
|
|
}
|
|
}
|
|
|
|
tmp_me = me->def->body.refined.orig_me;
|
|
if (tmp_me) {
|
|
if (defined_class_ptr) *defined_class_ptr = tmp_me->defined_class;
|
|
return tmp_me;
|
|
}
|
|
|
|
super = RCLASS_SUPER(me->owner);
|
|
if (!super) {
|
|
return 0;
|
|
}
|
|
|
|
me = search_method_protect(super, me->called_id, defined_class_ptr);
|
|
}
|
|
return me;
|
|
}
|
|
|
|
const rb_method_entry_t *
|
|
rb_resolve_refined_method(VALUE refinements, const rb_method_entry_t *me)
|
|
{
|
|
return resolve_refined_method(refinements, me, NULL);
|
|
}
|
|
|
|
MJIT_FUNC_EXPORTED
|
|
const rb_callable_method_entry_t *
|
|
rb_resolve_refined_method_callable(VALUE refinements, const rb_callable_method_entry_t *me)
|
|
{
|
|
VALUE defined_class = me->defined_class;
|
|
const rb_method_entry_t *resolved_me = resolve_refined_method(refinements, (const rb_method_entry_t *)me, &defined_class);
|
|
|
|
if (resolved_me && resolved_me->defined_class == 0) {
|
|
return rb_method_entry_complement_defined_class(resolved_me, me->called_id, defined_class);
|
|
}
|
|
else {
|
|
return (const rb_callable_method_entry_t *)resolved_me;
|
|
}
|
|
}
|
|
|
|
static void
|
|
remove_method(VALUE klass, ID mid)
|
|
{
|
|
VALUE data;
|
|
rb_method_entry_t *me = 0;
|
|
VALUE self = klass;
|
|
|
|
klass = RCLASS_ORIGIN(klass);
|
|
rb_class_modify_check(klass);
|
|
if (mid == object_id || mid == id__send__ || mid == idInitialize) {
|
|
rb_warn("removing `%s' may cause serious problems", rb_id2name(mid));
|
|
}
|
|
|
|
if (!rb_id_table_lookup(RCLASS_M_TBL(klass), mid, &data) ||
|
|
!(me = (rb_method_entry_t *)data) ||
|
|
(!me->def || me->def->type == VM_METHOD_TYPE_UNDEF) ||
|
|
UNDEFINED_REFINED_METHOD_P(me->def)) {
|
|
rb_name_err_raise("method `%1$s' not defined in %2$s",
|
|
klass, ID2SYM(mid));
|
|
}
|
|
|
|
rb_clear_method_cache(klass, mid);
|
|
rb_id_table_delete(RCLASS_M_TBL(klass), mid);
|
|
|
|
rb_vm_check_redefinition_opt_method(me, klass);
|
|
|
|
if (me->def->type == VM_METHOD_TYPE_REFINED) {
|
|
rb_add_refined_method_entry(klass, mid);
|
|
}
|
|
|
|
CALL_METHOD_HOOK(self, removed, mid);
|
|
}
|
|
|
|
void
|
|
rb_remove_method_id(VALUE klass, ID mid)
|
|
{
|
|
remove_method(klass, mid);
|
|
}
|
|
|
|
void
|
|
rb_remove_method(VALUE klass, const char *name)
|
|
{
|
|
remove_method(klass, rb_intern(name));
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* remove_method(symbol) -> self
|
|
* remove_method(string) -> self
|
|
*
|
|
* Removes the method identified by _symbol_ from the current
|
|
* class. For an example, see Module#undef_method.
|
|
* String arguments are converted to symbols.
|
|
*/
|
|
|
|
static VALUE
|
|
rb_mod_remove_method(int argc, VALUE *argv, VALUE mod)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < argc; i++) {
|
|
VALUE v = argv[i];
|
|
ID id = rb_check_id(&v);
|
|
if (!id) {
|
|
rb_name_err_raise("method `%1$s' not defined in %2$s",
|
|
mod, v);
|
|
}
|
|
remove_method(mod, id);
|
|
}
|
|
return mod;
|
|
}
|
|
|
|
static void
|
|
rb_export_method(VALUE klass, ID name, rb_method_visibility_t visi)
|
|
{
|
|
rb_method_entry_t *me;
|
|
VALUE defined_class;
|
|
VALUE origin_class = RCLASS_ORIGIN(klass);
|
|
|
|
me = search_method(origin_class, name, &defined_class);
|
|
|
|
if (!me && RB_TYPE_P(klass, T_MODULE)) {
|
|
me = search_method(rb_cObject, name, &defined_class);
|
|
}
|
|
|
|
if (UNDEFINED_METHOD_ENTRY_P(me) ||
|
|
UNDEFINED_REFINED_METHOD_P(me->def)) {
|
|
rb_print_undef(klass, name, METHOD_VISI_UNDEF);
|
|
}
|
|
|
|
if (METHOD_ENTRY_VISI(me) != visi) {
|
|
rb_vm_check_redefinition_opt_method(me, klass);
|
|
|
|
if (klass == defined_class || origin_class == defined_class) {
|
|
METHOD_ENTRY_VISI_SET(me, visi);
|
|
|
|
if (me->def->type == VM_METHOD_TYPE_REFINED && me->def->body.refined.orig_me) {
|
|
METHOD_ENTRY_VISI_SET((rb_method_entry_t *)me->def->body.refined.orig_me, visi);
|
|
}
|
|
rb_clear_method_cache(klass, name);
|
|
}
|
|
else {
|
|
rb_add_method(klass, name, VM_METHOD_TYPE_ZSUPER, 0, visi);
|
|
}
|
|
}
|
|
}
|
|
|
|
#define BOUND_PRIVATE 0x01
|
|
#define BOUND_RESPONDS 0x02
|
|
|
|
int
|
|
rb_method_boundp(VALUE klass, ID id, int ex)
|
|
{
|
|
const rb_method_entry_t *me;
|
|
|
|
if (ex & BOUND_RESPONDS) {
|
|
me = method_entry_resolve_refinement(klass, id, TRUE, NULL);
|
|
}
|
|
else {
|
|
me = rb_method_entry_without_refinements(klass, id, NULL);
|
|
}
|
|
|
|
if (me != NULL) {
|
|
if ((ex & ~BOUND_RESPONDS) &&
|
|
((METHOD_ENTRY_VISI(me) == METHOD_VISI_PRIVATE) ||
|
|
((ex & BOUND_RESPONDS) && (METHOD_ENTRY_VISI(me) == METHOD_VISI_PROTECTED)))) {
|
|
return 0;
|
|
}
|
|
|
|
if (me->def->type == VM_METHOD_TYPE_NOTIMPLEMENTED) {
|
|
if (ex & BOUND_RESPONDS) return 2;
|
|
return 0;
|
|
}
|
|
return 1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
vm_cref_set_visibility(rb_method_visibility_t method_visi, int module_func)
|
|
{
|
|
rb_scope_visibility_t *scope_visi = (rb_scope_visibility_t *)&rb_vm_cref()->scope_visi;
|
|
scope_visi->method_visi = method_visi;
|
|
scope_visi->module_func = module_func;
|
|
}
|
|
|
|
void
|
|
rb_scope_visibility_set(rb_method_visibility_t visi)
|
|
{
|
|
vm_cref_set_visibility(visi, FALSE);
|
|
}
|
|
|
|
static void
|
|
scope_visibility_check(void)
|
|
{
|
|
/* Check for public/protected/private/module_function called inside a method */
|
|
rb_control_frame_t *cfp = rb_current_execution_context()->cfp+1;
|
|
if (cfp && cfp->iseq && cfp->iseq->body->type == ISEQ_TYPE_METHOD) {
|
|
rb_warn("calling %s without arguments inside a method may not have the intended effect",
|
|
rb_id2name(rb_frame_this_func()));
|
|
}
|
|
}
|
|
|
|
static void
|
|
rb_scope_module_func_set(void)
|
|
{
|
|
scope_visibility_check();
|
|
vm_cref_set_visibility(METHOD_VISI_PRIVATE, TRUE);
|
|
}
|
|
|
|
const rb_cref_t *rb_vm_cref_in_context(VALUE self, VALUE cbase);
|
|
void
|
|
rb_attr(VALUE klass, ID id, int read, int write, int ex)
|
|
{
|
|
ID attriv;
|
|
rb_method_visibility_t visi;
|
|
const rb_execution_context_t *ec = GET_EC();
|
|
const rb_cref_t *cref = rb_vm_cref_in_context(klass, klass);
|
|
|
|
if (!ex || !cref) {
|
|
visi = METHOD_VISI_PUBLIC;
|
|
}
|
|
else {
|
|
switch (vm_scope_visibility_get(ec)) {
|
|
case METHOD_VISI_PRIVATE:
|
|
if (vm_scope_module_func_check(ec)) {
|
|
rb_warning("attribute accessor as module_function");
|
|
}
|
|
visi = METHOD_VISI_PRIVATE;
|
|
break;
|
|
case METHOD_VISI_PROTECTED:
|
|
visi = METHOD_VISI_PROTECTED;
|
|
break;
|
|
default:
|
|
visi = METHOD_VISI_PUBLIC;
|
|
break;
|
|
}
|
|
}
|
|
|
|
attriv = rb_intern_str(rb_sprintf("@%"PRIsVALUE, rb_id2str(id)));
|
|
if (read) {
|
|
rb_add_method(klass, id, VM_METHOD_TYPE_IVAR, (void *)attriv, visi);
|
|
}
|
|
if (write) {
|
|
rb_add_method(klass, rb_id_attrset(id), VM_METHOD_TYPE_ATTRSET, (void *)attriv, visi);
|
|
}
|
|
}
|
|
|
|
void
|
|
rb_undef(VALUE klass, ID id)
|
|
{
|
|
const rb_method_entry_t *me;
|
|
|
|
if (NIL_P(klass)) {
|
|
rb_raise(rb_eTypeError, "no class to undef method");
|
|
}
|
|
rb_class_modify_check(klass);
|
|
if (id == object_id || id == id__send__ || id == idInitialize) {
|
|
rb_warn("undefining `%s' may cause serious problems", rb_id2name(id));
|
|
}
|
|
|
|
me = search_method(klass, id, 0);
|
|
if (me && me->def->type == VM_METHOD_TYPE_REFINED) {
|
|
me = rb_resolve_refined_method(Qnil, me);
|
|
}
|
|
|
|
if (UNDEFINED_METHOD_ENTRY_P(me) ||
|
|
UNDEFINED_REFINED_METHOD_P(me->def)) {
|
|
rb_method_name_error(klass, rb_id2str(id));
|
|
}
|
|
|
|
rb_add_method(klass, id, VM_METHOD_TYPE_UNDEF, 0, METHOD_VISI_PUBLIC);
|
|
|
|
CALL_METHOD_HOOK(klass, undefined, id);
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* undef_method(symbol) -> self
|
|
* undef_method(string) -> self
|
|
*
|
|
* Prevents the current class from responding to calls to the named
|
|
* method. Contrast this with <code>remove_method</code>, which deletes
|
|
* the method from the particular class; Ruby will still search
|
|
* superclasses and mixed-in modules for a possible receiver.
|
|
* String arguments are converted to symbols.
|
|
*
|
|
* class Parent
|
|
* def hello
|
|
* puts "In parent"
|
|
* end
|
|
* end
|
|
* class Child < Parent
|
|
* def hello
|
|
* puts "In child"
|
|
* end
|
|
* end
|
|
*
|
|
*
|
|
* c = Child.new
|
|
* c.hello
|
|
*
|
|
*
|
|
* class Child
|
|
* remove_method :hello # remove from child, still in parent
|
|
* end
|
|
* c.hello
|
|
*
|
|
*
|
|
* class Child
|
|
* undef_method :hello # prevent any calls to 'hello'
|
|
* end
|
|
* c.hello
|
|
*
|
|
* <em>produces:</em>
|
|
*
|
|
* In child
|
|
* In parent
|
|
* prog.rb:23: undefined method `hello' for #<Child:0x401b3bb4> (NoMethodError)
|
|
*/
|
|
|
|
static VALUE
|
|
rb_mod_undef_method(int argc, VALUE *argv, VALUE mod)
|
|
{
|
|
int i;
|
|
for (i = 0; i < argc; i++) {
|
|
VALUE v = argv[i];
|
|
ID id = rb_check_id(&v);
|
|
if (!id) {
|
|
rb_method_name_error(mod, v);
|
|
}
|
|
rb_undef(mod, id);
|
|
}
|
|
return mod;
|
|
}
|
|
|
|
static rb_method_visibility_t
|
|
check_definition_visibility(VALUE mod, int argc, VALUE *argv)
|
|
{
|
|
const rb_method_entry_t *me;
|
|
VALUE mid, include_super, lookup_mod = mod;
|
|
int inc_super;
|
|
ID id;
|
|
|
|
rb_scan_args(argc, argv, "11", &mid, &include_super);
|
|
id = rb_check_id(&mid);
|
|
if (!id) return METHOD_VISI_UNDEF;
|
|
|
|
if (argc == 1) {
|
|
inc_super = 1;
|
|
}
|
|
else {
|
|
inc_super = RTEST(include_super);
|
|
if (!inc_super) {
|
|
lookup_mod = RCLASS_ORIGIN(mod);
|
|
}
|
|
}
|
|
|
|
me = rb_method_entry_without_refinements(lookup_mod, id, NULL);
|
|
if (me) {
|
|
if (me->def->type == VM_METHOD_TYPE_NOTIMPLEMENTED) return METHOD_VISI_UNDEF;
|
|
if (!inc_super && me->owner != mod) return METHOD_VISI_UNDEF;
|
|
return METHOD_ENTRY_VISI(me);
|
|
}
|
|
return METHOD_VISI_UNDEF;
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* mod.method_defined?(symbol, inherit=true) -> true or false
|
|
* mod.method_defined?(string, inherit=true) -> true or false
|
|
*
|
|
* Returns +true+ if the named method is defined by
|
|
* _mod_. If _inherit_ is set, the lookup will also search _mod_'s
|
|
* ancestors. Public and protected methods are matched.
|
|
* String arguments are converted to symbols.
|
|
*
|
|
* module A
|
|
* def method1() end
|
|
* def protected_method1() end
|
|
* protected :protected_method1
|
|
* end
|
|
* class B
|
|
* def method2() end
|
|
* def private_method2() end
|
|
* private :private_method2
|
|
* end
|
|
* class C < B
|
|
* include A
|
|
* def method3() end
|
|
* end
|
|
*
|
|
* A.method_defined? :method1 #=> true
|
|
* C.method_defined? "method1" #=> true
|
|
* C.method_defined? "method2" #=> true
|
|
* C.method_defined? "method2", true #=> true
|
|
* C.method_defined? "method2", false #=> false
|
|
* C.method_defined? "method3" #=> true
|
|
* C.method_defined? "protected_method1" #=> true
|
|
* C.method_defined? "method4" #=> false
|
|
* C.method_defined? "private_method2" #=> false
|
|
*/
|
|
|
|
static VALUE
|
|
rb_mod_method_defined(int argc, VALUE *argv, VALUE mod)
|
|
{
|
|
rb_method_visibility_t visi = check_definition_visibility(mod, argc, argv);
|
|
return (visi == METHOD_VISI_PUBLIC || visi == METHOD_VISI_PROTECTED) ? Qtrue : Qfalse;
|
|
}
|
|
|
|
static VALUE
|
|
check_definition(VALUE mod, int argc, VALUE *argv, rb_method_visibility_t visi)
|
|
{
|
|
return (check_definition_visibility(mod, argc, argv) == visi) ? Qtrue : Qfalse;
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* mod.public_method_defined?(symbol, inherit=true) -> true or false
|
|
* mod.public_method_defined?(string, inherit=true) -> true or false
|
|
*
|
|
* Returns +true+ if the named public method is defined by
|
|
* _mod_. If _inherit_ is set, the lookup will also search _mod_'s
|
|
* ancestors.
|
|
* String arguments are converted to symbols.
|
|
*
|
|
* module A
|
|
* def method1() end
|
|
* end
|
|
* class B
|
|
* protected
|
|
* def method2() end
|
|
* end
|
|
* class C < B
|
|
* include A
|
|
* def method3() end
|
|
* end
|
|
*
|
|
* A.method_defined? :method1 #=> true
|
|
* C.public_method_defined? "method1" #=> true
|
|
* C.public_method_defined? "method1", true #=> true
|
|
* C.public_method_defined? "method1", false #=> true
|
|
* C.public_method_defined? "method2" #=> false
|
|
* C.method_defined? "method2" #=> true
|
|
*/
|
|
|
|
static VALUE
|
|
rb_mod_public_method_defined(int argc, VALUE *argv, VALUE mod)
|
|
{
|
|
return check_definition(mod, argc, argv, METHOD_VISI_PUBLIC);
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* mod.private_method_defined?(symbol, inherit=true) -> true or false
|
|
* mod.private_method_defined?(string, inherit=true) -> true or false
|
|
*
|
|
* Returns +true+ if the named private method is defined by
|
|
* _mod_. If _inherit_ is set, the lookup will also search _mod_'s
|
|
* ancestors.
|
|
* String arguments are converted to symbols.
|
|
*
|
|
* module A
|
|
* def method1() end
|
|
* end
|
|
* class B
|
|
* private
|
|
* def method2() end
|
|
* end
|
|
* class C < B
|
|
* include A
|
|
* def method3() end
|
|
* end
|
|
*
|
|
* A.method_defined? :method1 #=> true
|
|
* C.private_method_defined? "method1" #=> false
|
|
* C.private_method_defined? "method2" #=> true
|
|
* C.private_method_defined? "method2", true #=> true
|
|
* C.private_method_defined? "method2", false #=> false
|
|
* C.method_defined? "method2" #=> false
|
|
*/
|
|
|
|
static VALUE
|
|
rb_mod_private_method_defined(int argc, VALUE *argv, VALUE mod)
|
|
{
|
|
return check_definition(mod, argc, argv, METHOD_VISI_PRIVATE);
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* mod.protected_method_defined?(symbol, inherit=true) -> true or false
|
|
* mod.protected_method_defined?(string, inherit=true) -> true or false
|
|
*
|
|
* Returns +true+ if the named protected method is defined
|
|
* _mod_. If _inherit_ is set, the lookup will also search _mod_'s
|
|
* ancestors.
|
|
* String arguments are converted to symbols.
|
|
*
|
|
* module A
|
|
* def method1() end
|
|
* end
|
|
* class B
|
|
* protected
|
|
* def method2() end
|
|
* end
|
|
* class C < B
|
|
* include A
|
|
* def method3() end
|
|
* end
|
|
*
|
|
* A.method_defined? :method1 #=> true
|
|
* C.protected_method_defined? "method1" #=> false
|
|
* C.protected_method_defined? "method2" #=> true
|
|
* C.protected_method_defined? "method2", true #=> true
|
|
* C.protected_method_defined? "method2", false #=> false
|
|
* C.method_defined? "method2" #=> true
|
|
*/
|
|
|
|
static VALUE
|
|
rb_mod_protected_method_defined(int argc, VALUE *argv, VALUE mod)
|
|
{
|
|
return check_definition(mod, argc, argv, METHOD_VISI_PROTECTED);
|
|
}
|
|
|
|
int
|
|
rb_method_entry_eq(const rb_method_entry_t *m1, const rb_method_entry_t *m2)
|
|
{
|
|
return rb_method_definition_eq(m1->def, m2->def);
|
|
}
|
|
|
|
static const rb_method_definition_t *
|
|
original_method_definition(const rb_method_definition_t *def)
|
|
{
|
|
again:
|
|
if (def) {
|
|
switch (def->type) {
|
|
case VM_METHOD_TYPE_REFINED:
|
|
if (def->body.refined.orig_me) {
|
|
def = def->body.refined.orig_me->def;
|
|
goto again;
|
|
}
|
|
break;
|
|
case VM_METHOD_TYPE_ALIAS:
|
|
def = def->body.alias.original_me->def;
|
|
goto again;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
return def;
|
|
}
|
|
|
|
MJIT_FUNC_EXPORTED int
|
|
rb_method_definition_eq(const rb_method_definition_t *d1, const rb_method_definition_t *d2)
|
|
{
|
|
d1 = original_method_definition(d1);
|
|
d2 = original_method_definition(d2);
|
|
|
|
if (d1 == d2) return 1;
|
|
if (!d1 || !d2) return 0;
|
|
if (d1->type != d2->type) return 0;
|
|
|
|
switch (d1->type) {
|
|
case VM_METHOD_TYPE_ISEQ:
|
|
return d1->body.iseq.iseqptr == d2->body.iseq.iseqptr;
|
|
case VM_METHOD_TYPE_CFUNC:
|
|
return
|
|
d1->body.cfunc.func == d2->body.cfunc.func &&
|
|
d1->body.cfunc.argc == d2->body.cfunc.argc;
|
|
case VM_METHOD_TYPE_ATTRSET:
|
|
case VM_METHOD_TYPE_IVAR:
|
|
return d1->body.attr.id == d2->body.attr.id;
|
|
case VM_METHOD_TYPE_BMETHOD:
|
|
return RTEST(rb_equal(d1->body.bmethod.proc, d2->body.bmethod.proc));
|
|
case VM_METHOD_TYPE_MISSING:
|
|
return d1->original_id == d2->original_id;
|
|
case VM_METHOD_TYPE_ZSUPER:
|
|
case VM_METHOD_TYPE_NOTIMPLEMENTED:
|
|
case VM_METHOD_TYPE_UNDEF:
|
|
return 1;
|
|
case VM_METHOD_TYPE_OPTIMIZED:
|
|
return d1->body.optimize_type == d2->body.optimize_type;
|
|
case VM_METHOD_TYPE_REFINED:
|
|
case VM_METHOD_TYPE_ALIAS:
|
|
break;
|
|
}
|
|
rb_bug("rb_method_definition_eq: unsupported type: %d\n", d1->type);
|
|
}
|
|
|
|
static st_index_t
|
|
rb_hash_method_definition(st_index_t hash, const rb_method_definition_t *def)
|
|
{
|
|
hash = rb_hash_uint(hash, def->type);
|
|
def = original_method_definition(def);
|
|
|
|
if (!def) return hash;
|
|
|
|
switch (def->type) {
|
|
case VM_METHOD_TYPE_ISEQ:
|
|
return rb_hash_uint(hash, (st_index_t)def->body.iseq.iseqptr);
|
|
case VM_METHOD_TYPE_CFUNC:
|
|
hash = rb_hash_uint(hash, (st_index_t)def->body.cfunc.func);
|
|
return rb_hash_uint(hash, def->body.cfunc.argc);
|
|
case VM_METHOD_TYPE_ATTRSET:
|
|
case VM_METHOD_TYPE_IVAR:
|
|
return rb_hash_uint(hash, def->body.attr.id);
|
|
case VM_METHOD_TYPE_BMETHOD:
|
|
return rb_hash_proc(hash, def->body.bmethod.proc);
|
|
case VM_METHOD_TYPE_MISSING:
|
|
return rb_hash_uint(hash, def->original_id);
|
|
case VM_METHOD_TYPE_ZSUPER:
|
|
case VM_METHOD_TYPE_NOTIMPLEMENTED:
|
|
case VM_METHOD_TYPE_UNDEF:
|
|
return hash;
|
|
case VM_METHOD_TYPE_OPTIMIZED:
|
|
return rb_hash_uint(hash, def->body.optimize_type);
|
|
case VM_METHOD_TYPE_REFINED:
|
|
case VM_METHOD_TYPE_ALIAS:
|
|
break; /* unreachable */
|
|
}
|
|
rb_bug("rb_hash_method_definition: unsupported method type (%d)\n", def->type);
|
|
}
|
|
|
|
st_index_t
|
|
rb_hash_method_entry(st_index_t hash, const rb_method_entry_t *me)
|
|
{
|
|
return rb_hash_method_definition(hash, me->def);
|
|
}
|
|
|
|
void
|
|
rb_alias(VALUE klass, ID alias_name, ID original_name)
|
|
{
|
|
const VALUE target_klass = klass;
|
|
VALUE defined_class;
|
|
const rb_method_entry_t *orig_me;
|
|
rb_method_visibility_t visi = METHOD_VISI_UNDEF;
|
|
|
|
if (NIL_P(klass)) {
|
|
rb_raise(rb_eTypeError, "no class to make alias");
|
|
}
|
|
|
|
rb_class_modify_check(klass);
|
|
|
|
again:
|
|
orig_me = search_method(klass, original_name, &defined_class);
|
|
|
|
if (orig_me && orig_me->def->type == VM_METHOD_TYPE_REFINED) {
|
|
orig_me = rb_resolve_refined_method(Qnil, orig_me);
|
|
}
|
|
|
|
if (UNDEFINED_METHOD_ENTRY_P(orig_me) ||
|
|
UNDEFINED_REFINED_METHOD_P(orig_me->def)) {
|
|
if ((!RB_TYPE_P(klass, T_MODULE)) ||
|
|
(orig_me = search_method(rb_cObject, original_name, &defined_class),
|
|
UNDEFINED_METHOD_ENTRY_P(orig_me))) {
|
|
rb_print_undef(klass, original_name, METHOD_VISI_UNDEF);
|
|
}
|
|
}
|
|
|
|
if (orig_me->def->type == VM_METHOD_TYPE_ZSUPER) {
|
|
klass = RCLASS_SUPER(klass);
|
|
original_name = orig_me->def->original_id;
|
|
visi = METHOD_ENTRY_VISI(orig_me);
|
|
goto again;
|
|
}
|
|
|
|
if (visi == METHOD_VISI_UNDEF) visi = METHOD_ENTRY_VISI(orig_me);
|
|
|
|
if (orig_me->defined_class == 0) {
|
|
rb_method_entry_make(target_klass, alias_name, target_klass, visi,
|
|
VM_METHOD_TYPE_ALIAS, NULL, orig_me->called_id,
|
|
(void *)rb_method_entry_clone(orig_me));
|
|
method_added(target_klass, alias_name);
|
|
}
|
|
else {
|
|
rb_method_entry_t *alias_me;
|
|
|
|
alias_me = method_entry_set(target_klass, alias_name, orig_me, visi, orig_me->owner);
|
|
RB_OBJ_WRITE(alias_me, &alias_me->owner, target_klass);
|
|
RB_OBJ_WRITE(alias_me, &alias_me->defined_class, defined_class);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* alias_method(new_name, old_name) -> self
|
|
*
|
|
* Makes <i>new_name</i> a new copy of the method <i>old_name</i>. This can
|
|
* be used to retain access to methods that are overridden.
|
|
*
|
|
* module Mod
|
|
* alias_method :orig_exit, :exit
|
|
* def exit(code=0)
|
|
* puts "Exiting with code #{code}"
|
|
* orig_exit(code)
|
|
* end
|
|
* end
|
|
* include Mod
|
|
* exit(99)
|
|
*
|
|
* <em>produces:</em>
|
|
*
|
|
* Exiting with code 99
|
|
*/
|
|
|
|
static VALUE
|
|
rb_mod_alias_method(VALUE mod, VALUE newname, VALUE oldname)
|
|
{
|
|
ID oldid = rb_check_id(&oldname);
|
|
if (!oldid) {
|
|
rb_print_undef_str(mod, oldname);
|
|
}
|
|
rb_alias(mod, rb_to_id(newname), oldid);
|
|
return mod;
|
|
}
|
|
|
|
static void
|
|
set_method_visibility(VALUE self, int argc, const VALUE *argv, rb_method_visibility_t visi)
|
|
{
|
|
int i;
|
|
|
|
rb_check_frozen(self);
|
|
if (argc == 0) {
|
|
rb_warning("%"PRIsVALUE" with no argument is just ignored",
|
|
QUOTE_ID(rb_frame_callee()));
|
|
return;
|
|
}
|
|
|
|
for (i = 0; i < argc; i++) {
|
|
VALUE v = argv[i];
|
|
ID id = rb_check_id(&v);
|
|
if (!id) {
|
|
rb_print_undef_str(self, v);
|
|
}
|
|
rb_export_method(self, id, visi);
|
|
}
|
|
}
|
|
|
|
static VALUE
|
|
set_visibility(int argc, const VALUE *argv, VALUE module, rb_method_visibility_t visi)
|
|
{
|
|
if (argc == 0) {
|
|
scope_visibility_check();
|
|
rb_scope_visibility_set(visi);
|
|
}
|
|
else {
|
|
set_method_visibility(module, argc, argv, visi);
|
|
}
|
|
return module;
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* public -> self
|
|
* public(symbol, ...) -> self
|
|
* public(string, ...) -> self
|
|
*
|
|
* With no arguments, sets the default visibility for subsequently
|
|
* defined methods to public. With arguments, sets the named methods to
|
|
* have public visibility.
|
|
* String arguments are converted to symbols.
|
|
*/
|
|
|
|
static VALUE
|
|
rb_mod_public(int argc, VALUE *argv, VALUE module)
|
|
{
|
|
return set_visibility(argc, argv, module, METHOD_VISI_PUBLIC);
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* protected -> self
|
|
* protected(symbol, ...) -> self
|
|
* protected(string, ...) -> self
|
|
*
|
|
* With no arguments, sets the default visibility for subsequently
|
|
* defined methods to protected. With arguments, sets the named methods
|
|
* to have protected visibility.
|
|
* String arguments are converted to symbols.
|
|
*
|
|
* If a method has protected visibility, it is callable only where
|
|
* <code>self</code> of the context is the same as the method.
|
|
* (method definition or instance_eval). This behavior is different from
|
|
* Java's protected method. Usually <code>private</code> should be used.
|
|
*
|
|
* Note that a protected method is slow because it can't use inline cache.
|
|
*
|
|
* To show a private method on RDoc, use <code>:doc:</code> instead of this.
|
|
*/
|
|
|
|
static VALUE
|
|
rb_mod_protected(int argc, VALUE *argv, VALUE module)
|
|
{
|
|
return set_visibility(argc, argv, module, METHOD_VISI_PROTECTED);
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* private -> self
|
|
* private(symbol, ...) -> self
|
|
* private(string, ...) -> self
|
|
*
|
|
* With no arguments, sets the default visibility for subsequently
|
|
* defined methods to private. With arguments, sets the named methods
|
|
* to have private visibility.
|
|
* String arguments are converted to symbols.
|
|
*
|
|
* module Mod
|
|
* def a() end
|
|
* def b() end
|
|
* private
|
|
* def c() end
|
|
* private :a
|
|
* end
|
|
* Mod.private_instance_methods #=> [:a, :c]
|
|
*
|
|
* Note that to show a private method on RDoc, use <code>:doc:</code>.
|
|
*/
|
|
|
|
static VALUE
|
|
rb_mod_private(int argc, VALUE *argv, VALUE module)
|
|
{
|
|
return set_visibility(argc, argv, module, METHOD_VISI_PRIVATE);
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* ruby2_keywords(method_name, ...) -> self
|
|
*
|
|
* For the given method names, marks the method as passing keywords through
|
|
* a normal argument splat. This should only be called on methods that
|
|
* accept an argument splat (<tt>*args</tt>) but not explicit keywords or
|
|
* a keyword splat. It marks the method such that if the method is called
|
|
* with keyword arguments, the final hash argument is marked with a special
|
|
* flag such that if it is the final element of a normal argument splat to
|
|
* another method call, and that method call does not include explicit
|
|
* keywords or a keyword splat, the final element is interpreted as keywords.
|
|
* In other words, keywords will be passed through the method to other
|
|
* methods.
|
|
*
|
|
* This should only be used for methods that delegate keywords to another
|
|
* method, and only for backwards compatibility with Ruby versions before
|
|
* 2.7.
|
|
*
|
|
* This method will probably be removed at some point, as it exists only
|
|
* for backwards compatibility. As it does not exist in Ruby versions
|
|
* before 2.7, check that the module responds to this method before calling
|
|
* it. Also, be aware that if this method is removed, the behavior of the
|
|
* method will change so that it does not pass through keywords.
|
|
*
|
|
* module Mod
|
|
* def foo(meth, *args, &block)
|
|
* send(:"do_#{meth}", *args, &block)
|
|
* end
|
|
* ruby2_keywords(:foo) if respond_to?(:ruby2_keywords, true)
|
|
* end
|
|
*/
|
|
|
|
static VALUE
|
|
rb_mod_ruby2_keywords(int argc, VALUE *argv, VALUE module)
|
|
{
|
|
int i;
|
|
VALUE origin_class = RCLASS_ORIGIN(module);
|
|
|
|
rb_check_arity(argc, 1, UNLIMITED_ARGUMENTS);
|
|
rb_check_frozen(module);
|
|
|
|
for (i = 0; i < argc; i++) {
|
|
VALUE v = argv[i];
|
|
ID name = rb_check_id(&v);
|
|
rb_method_entry_t *me;
|
|
VALUE defined_class;
|
|
|
|
if (!name) {
|
|
rb_print_undef_str(module, v);
|
|
}
|
|
|
|
me = search_method(origin_class, name, &defined_class);
|
|
if (!me && RB_TYPE_P(module, T_MODULE)) {
|
|
me = search_method(rb_cObject, name, &defined_class);
|
|
}
|
|
|
|
if (UNDEFINED_METHOD_ENTRY_P(me) ||
|
|
UNDEFINED_REFINED_METHOD_P(me->def)) {
|
|
rb_print_undef(module, name, METHOD_VISI_UNDEF);
|
|
}
|
|
|
|
if (module == defined_class || origin_class == defined_class) {
|
|
switch (me->def->type) {
|
|
case VM_METHOD_TYPE_ISEQ:
|
|
if (me->def->body.iseq.iseqptr->body->param.flags.has_rest &&
|
|
!me->def->body.iseq.iseqptr->body->param.flags.has_kw &&
|
|
!me->def->body.iseq.iseqptr->body->param.flags.has_kwrest) {
|
|
me->def->body.iseq.iseqptr->body->param.flags.ruby2_keywords = 1;
|
|
rb_clear_method_cache(module, name);
|
|
}
|
|
else {
|
|
rb_warn("Skipping set of ruby2_keywords flag for %s (method accepts keywords or method does not accept argument splat)", rb_id2name(name));
|
|
}
|
|
break;
|
|
case VM_METHOD_TYPE_BMETHOD: {
|
|
VALUE procval = me->def->body.bmethod.proc;
|
|
if (vm_block_handler_type(procval) == block_handler_type_proc) {
|
|
procval = vm_proc_to_block_handler(VM_BH_TO_PROC(procval));
|
|
}
|
|
|
|
if (vm_block_handler_type(procval) == block_handler_type_iseq) {
|
|
const struct rb_captured_block *captured = VM_BH_TO_ISEQ_BLOCK(procval);
|
|
const rb_iseq_t *iseq = rb_iseq_check(captured->code.iseq);
|
|
if (iseq->body->param.flags.has_rest &&
|
|
!iseq->body->param.flags.has_kw &&
|
|
!iseq->body->param.flags.has_kwrest) {
|
|
iseq->body->param.flags.ruby2_keywords = 1;
|
|
rb_clear_method_cache(module, name);
|
|
}
|
|
else {
|
|
rb_warn("Skipping set of ruby2_keywords flag for %s (method accepts keywords or method does not accept argument splat)", rb_id2name(name));
|
|
}
|
|
return Qnil;
|
|
}
|
|
}
|
|
/* fallthrough */
|
|
default:
|
|
rb_warn("Skipping set of ruby2_keywords flag for %s (method not defined in Ruby)", rb_id2name(name));
|
|
break;
|
|
}
|
|
}
|
|
else {
|
|
rb_warn("Skipping set of ruby2_keywords flag for %s (can only set in method defining module)", rb_id2name(name));
|
|
}
|
|
}
|
|
return Qnil;
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* mod.public_class_method(symbol, ...) -> mod
|
|
* mod.public_class_method(string, ...) -> mod
|
|
*
|
|
* Makes a list of existing class methods public.
|
|
*
|
|
* String arguments are converted to symbols.
|
|
*/
|
|
|
|
static VALUE
|
|
rb_mod_public_method(int argc, VALUE *argv, VALUE obj)
|
|
{
|
|
set_method_visibility(rb_singleton_class(obj), argc, argv, METHOD_VISI_PUBLIC);
|
|
return obj;
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* mod.private_class_method(symbol, ...) -> mod
|
|
* mod.private_class_method(string, ...) -> mod
|
|
*
|
|
* Makes existing class methods private. Often used to hide the default
|
|
* constructor <code>new</code>.
|
|
*
|
|
* String arguments are converted to symbols.
|
|
*
|
|
* class SimpleSingleton # Not thread safe
|
|
* private_class_method :new
|
|
* def SimpleSingleton.create(*args, &block)
|
|
* @me = new(*args, &block) if ! @me
|
|
* @me
|
|
* end
|
|
* end
|
|
*/
|
|
|
|
static VALUE
|
|
rb_mod_private_method(int argc, VALUE *argv, VALUE obj)
|
|
{
|
|
set_method_visibility(rb_singleton_class(obj), argc, argv, METHOD_VISI_PRIVATE);
|
|
return obj;
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* public
|
|
* public(symbol, ...)
|
|
* public(string, ...)
|
|
*
|
|
* With no arguments, sets the default visibility for subsequently
|
|
* defined methods to public. With arguments, sets the named methods to
|
|
* have public visibility.
|
|
*
|
|
* String arguments are converted to symbols.
|
|
*/
|
|
|
|
static VALUE
|
|
top_public(int argc, VALUE *argv, VALUE _)
|
|
{
|
|
return rb_mod_public(argc, argv, rb_cObject);
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* private
|
|
* private(symbol, ...)
|
|
* private(string, ...)
|
|
*
|
|
* With no arguments, sets the default visibility for subsequently
|
|
* defined methods to private. With arguments, sets the named methods to
|
|
* have private visibility.
|
|
*
|
|
* String arguments are converted to symbols.
|
|
*/
|
|
static VALUE
|
|
top_private(int argc, VALUE *argv, VALUE _)
|
|
{
|
|
return rb_mod_private(argc, argv, rb_cObject);
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* ruby2_keywords(method_name, ...) -> self
|
|
*
|
|
* For the given method names, marks the method as passing keywords through
|
|
* a normal argument splat. See Module#ruby2_keywords in detail.
|
|
*/
|
|
static VALUE
|
|
top_ruby2_keywords(int argc, VALUE *argv, VALUE module)
|
|
{
|
|
return rb_mod_ruby2_keywords(argc, argv, rb_cObject);
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* module_function(symbol, ...) -> self
|
|
* module_function(string, ...) -> self
|
|
*
|
|
* Creates module functions for the named methods. These functions may
|
|
* be called with the module as a receiver, and also become available
|
|
* as instance methods to classes that mix in the module. Module
|
|
* functions are copies of the original, and so may be changed
|
|
* independently. The instance-method versions are made private. If
|
|
* used with no arguments, subsequently defined methods become module
|
|
* functions.
|
|
* String arguments are converted to symbols.
|
|
*
|
|
* module Mod
|
|
* def one
|
|
* "This is one"
|
|
* end
|
|
* module_function :one
|
|
* end
|
|
* class Cls
|
|
* include Mod
|
|
* def call_one
|
|
* one
|
|
* end
|
|
* end
|
|
* Mod.one #=> "This is one"
|
|
* c = Cls.new
|
|
* c.call_one #=> "This is one"
|
|
* module Mod
|
|
* def one
|
|
* "This is the new one"
|
|
* end
|
|
* end
|
|
* Mod.one #=> "This is one"
|
|
* c.call_one #=> "This is the new one"
|
|
*/
|
|
|
|
static VALUE
|
|
rb_mod_modfunc(int argc, VALUE *argv, VALUE module)
|
|
{
|
|
int i;
|
|
ID id;
|
|
const rb_method_entry_t *me;
|
|
|
|
if (!RB_TYPE_P(module, T_MODULE)) {
|
|
rb_raise(rb_eTypeError, "module_function must be called for modules");
|
|
}
|
|
|
|
if (argc == 0) {
|
|
rb_scope_module_func_set();
|
|
return module;
|
|
}
|
|
|
|
set_method_visibility(module, argc, argv, METHOD_VISI_PRIVATE);
|
|
|
|
for (i = 0; i < argc; i++) {
|
|
VALUE m = module;
|
|
|
|
id = rb_to_id(argv[i]);
|
|
for (;;) {
|
|
me = search_method(m, id, 0);
|
|
if (me == 0) {
|
|
me = search_method(rb_cObject, id, 0);
|
|
}
|
|
if (UNDEFINED_METHOD_ENTRY_P(me)) {
|
|
rb_print_undef(module, id, METHOD_VISI_UNDEF);
|
|
}
|
|
if (me->def->type != VM_METHOD_TYPE_ZSUPER) {
|
|
break; /* normal case: need not to follow 'super' link */
|
|
}
|
|
m = RCLASS_SUPER(m);
|
|
if (!m)
|
|
break;
|
|
}
|
|
rb_method_entry_set(rb_singleton_class(module), id, me, METHOD_VISI_PUBLIC);
|
|
}
|
|
return module;
|
|
}
|
|
|
|
#ifdef __GNUC__
|
|
#pragma push_macro("rb_method_basic_definition_p")
|
|
#undef rb_method_basic_definition_p
|
|
#endif
|
|
int
|
|
rb_method_basic_definition_p(VALUE klass, ID id)
|
|
{
|
|
const rb_callable_method_entry_t *cme;
|
|
if (!klass) return TRUE; /* hidden object cannot be overridden */
|
|
cme = rb_callable_method_entry(klass, id);
|
|
return (cme && METHOD_ENTRY_BASIC(cme)) ? TRUE : FALSE;
|
|
}
|
|
#ifdef __GNUC__
|
|
#pragma pop_macro("rb_method_basic_definition_p")
|
|
#endif
|
|
|
|
static VALUE
|
|
call_method_entry(rb_execution_context_t *ec, VALUE defined_class, VALUE obj, ID id,
|
|
const rb_callable_method_entry_t *cme, int argc, const VALUE *argv, int kw_splat)
|
|
{
|
|
VALUE passed_block_handler = vm_passed_block_handler(ec);
|
|
VALUE result = rb_vm_call_kw(ec, obj, id, argc, argv, cme, kw_splat);
|
|
vm_passed_block_handler_set(ec, passed_block_handler);
|
|
return result;
|
|
}
|
|
|
|
static VALUE
|
|
basic_obj_respond_to_missing(rb_execution_context_t *ec, VALUE klass, VALUE obj,
|
|
VALUE mid, VALUE priv)
|
|
{
|
|
VALUE defined_class, args[2];
|
|
const ID rtmid = idRespond_to_missing;
|
|
const rb_callable_method_entry_t *const cme = callable_method_entry(klass, rtmid, &defined_class);
|
|
|
|
if (!cme || METHOD_ENTRY_BASIC(cme)) return Qundef;
|
|
args[0] = mid;
|
|
args[1] = priv;
|
|
return call_method_entry(ec, defined_class, obj, rtmid, cme, 2, args, RB_NO_KEYWORDS);
|
|
}
|
|
|
|
static inline int
|
|
basic_obj_respond_to(rb_execution_context_t *ec, VALUE obj, ID id, int pub)
|
|
{
|
|
VALUE klass = CLASS_OF(obj);
|
|
VALUE ret;
|
|
|
|
switch (rb_method_boundp(klass, id, pub|BOUND_RESPONDS)) {
|
|
case 2:
|
|
return FALSE;
|
|
case 0:
|
|
ret = basic_obj_respond_to_missing(ec, klass, obj, ID2SYM(id),
|
|
pub ? Qfalse : Qtrue);
|
|
return RTEST(ret) && ret != Qundef;
|
|
default:
|
|
return TRUE;
|
|
}
|
|
}
|
|
|
|
static int
|
|
vm_respond_to(rb_execution_context_t *ec, VALUE klass, VALUE obj, ID id, int priv)
|
|
{
|
|
VALUE defined_class;
|
|
const ID resid = idRespond_to;
|
|
const rb_callable_method_entry_t *const cme = callable_method_entry(klass, resid, &defined_class);
|
|
|
|
if (!cme) return -1;
|
|
if (METHOD_ENTRY_BASIC(cme)) {
|
|
return -1;
|
|
}
|
|
else {
|
|
int argc = 1;
|
|
VALUE args[2];
|
|
VALUE result;
|
|
|
|
args[0] = ID2SYM(id);
|
|
args[1] = Qtrue;
|
|
if (priv) {
|
|
argc = rb_method_entry_arity((const rb_method_entry_t *)cme);
|
|
if (argc > 2) {
|
|
rb_raise(rb_eArgError,
|
|
"respond_to? must accept 1 or 2 arguments (requires %d)",
|
|
argc);
|
|
}
|
|
if (argc != 1) {
|
|
argc = 2;
|
|
}
|
|
else if (!NIL_P(ruby_verbose)) {
|
|
VALUE location = rb_method_entry_location((const rb_method_entry_t *)cme);
|
|
rb_warn("%"PRIsVALUE"%c""respond_to?(:%"PRIsVALUE") uses"
|
|
" the deprecated method signature, which takes one parameter",
|
|
(FL_TEST(klass, FL_SINGLETON) ? obj : klass),
|
|
(FL_TEST(klass, FL_SINGLETON) ? '.' : '#'),
|
|
QUOTE_ID(id));
|
|
if (!NIL_P(location)) {
|
|
VALUE path = RARRAY_AREF(location, 0);
|
|
VALUE line = RARRAY_AREF(location, 1);
|
|
if (!NIL_P(path)) {
|
|
rb_compile_warn(RSTRING_PTR(path), NUM2INT(line),
|
|
"respond_to? is defined here");
|
|
}
|
|
}
|
|
}
|
|
}
|
|
result = call_method_entry(ec, defined_class, obj, resid, cme, argc, args, RB_NO_KEYWORDS);
|
|
return RTEST(result);
|
|
}
|
|
}
|
|
|
|
int
|
|
rb_obj_respond_to(VALUE obj, ID id, int priv)
|
|
{
|
|
rb_execution_context_t *ec = GET_EC();
|
|
VALUE klass = CLASS_OF(obj);
|
|
int ret = vm_respond_to(ec, klass, obj, id, priv);
|
|
if (ret == -1) ret = basic_obj_respond_to(ec, obj, id, !priv);
|
|
return ret;
|
|
}
|
|
|
|
int
|
|
rb_respond_to(VALUE obj, ID id)
|
|
{
|
|
return rb_obj_respond_to(obj, id, FALSE);
|
|
}
|
|
|
|
|
|
/*
|
|
* call-seq:
|
|
* obj.respond_to?(symbol, include_all=false) -> true or false
|
|
* obj.respond_to?(string, include_all=false) -> true or false
|
|
*
|
|
* Returns +true+ if _obj_ responds to the given method. Private and
|
|
* protected methods are included in the search only if the optional
|
|
* second parameter evaluates to +true+.
|
|
*
|
|
* If the method is not implemented,
|
|
* as Process.fork on Windows, File.lchmod on GNU/Linux, etc.,
|
|
* false is returned.
|
|
*
|
|
* If the method is not defined, <code>respond_to_missing?</code>
|
|
* method is called and the result is returned.
|
|
*
|
|
* When the method name parameter is given as a string, the string is
|
|
* converted to a symbol.
|
|
*/
|
|
|
|
static VALUE
|
|
obj_respond_to(int argc, VALUE *argv, VALUE obj)
|
|
{
|
|
VALUE mid, priv;
|
|
ID id;
|
|
rb_execution_context_t *ec = GET_EC();
|
|
|
|
rb_scan_args(argc, argv, "11", &mid, &priv);
|
|
if (!(id = rb_check_id(&mid))) {
|
|
VALUE ret = basic_obj_respond_to_missing(ec, CLASS_OF(obj), obj,
|
|
rb_to_symbol(mid), priv);
|
|
if (ret == Qundef) ret = Qfalse;
|
|
return ret;
|
|
}
|
|
if (basic_obj_respond_to(ec, obj, id, !RTEST(priv)))
|
|
return Qtrue;
|
|
return Qfalse;
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* obj.respond_to_missing?(symbol, include_all) -> true or false
|
|
* obj.respond_to_missing?(string, include_all) -> true or false
|
|
*
|
|
* DO NOT USE THIS DIRECTLY.
|
|
*
|
|
* Hook method to return whether the _obj_ can respond to _id_ method
|
|
* or not.
|
|
*
|
|
* When the method name parameter is given as a string, the string is
|
|
* converted to a symbol.
|
|
*
|
|
* See #respond_to?, and the example of BasicObject.
|
|
*/
|
|
static VALUE
|
|
obj_respond_to_missing(VALUE obj, VALUE mid, VALUE priv)
|
|
{
|
|
return Qfalse;
|
|
}
|
|
|
|
void
|
|
Init_Method(void)
|
|
{
|
|
//
|
|
}
|
|
|
|
void
|
|
Init_eval_method(void)
|
|
{
|
|
#undef rb_intern
|
|
#define rb_intern(str) rb_intern_const(str)
|
|
|
|
rb_define_method(rb_mKernel, "respond_to?", obj_respond_to, -1);
|
|
rb_define_method(rb_mKernel, "respond_to_missing?", obj_respond_to_missing, 2);
|
|
|
|
rb_define_method(rb_cModule, "remove_method", rb_mod_remove_method, -1);
|
|
rb_define_method(rb_cModule, "undef_method", rb_mod_undef_method, -1);
|
|
rb_define_method(rb_cModule, "alias_method", rb_mod_alias_method, 2);
|
|
rb_define_private_method(rb_cModule, "public", rb_mod_public, -1);
|
|
rb_define_private_method(rb_cModule, "protected", rb_mod_protected, -1);
|
|
rb_define_private_method(rb_cModule, "private", rb_mod_private, -1);
|
|
rb_define_private_method(rb_cModule, "module_function", rb_mod_modfunc, -1);
|
|
rb_define_private_method(rb_cModule, "ruby2_keywords", rb_mod_ruby2_keywords, -1);
|
|
|
|
rb_define_method(rb_cModule, "method_defined?", rb_mod_method_defined, -1);
|
|
rb_define_method(rb_cModule, "public_method_defined?", rb_mod_public_method_defined, -1);
|
|
rb_define_method(rb_cModule, "private_method_defined?", rb_mod_private_method_defined, -1);
|
|
rb_define_method(rb_cModule, "protected_method_defined?", rb_mod_protected_method_defined, -1);
|
|
rb_define_method(rb_cModule, "public_class_method", rb_mod_public_method, -1);
|
|
rb_define_method(rb_cModule, "private_class_method", rb_mod_private_method, -1);
|
|
|
|
rb_define_private_method(rb_singleton_class(rb_vm_top_self()),
|
|
"public", top_public, -1);
|
|
rb_define_private_method(rb_singleton_class(rb_vm_top_self()),
|
|
"private", top_private, -1);
|
|
rb_define_private_method(rb_singleton_class(rb_vm_top_self()),
|
|
"ruby2_keywords", top_ruby2_keywords, -1);
|
|
|
|
{
|
|
#define REPLICATE_METHOD(klass, id) do { \
|
|
const rb_method_entry_t *me = rb_method_entry((klass), (id)); \
|
|
rb_method_entry_set((klass), (id), me, METHOD_ENTRY_VISI(me)); \
|
|
} while (0)
|
|
|
|
REPLICATE_METHOD(rb_eException, idMethodMissing);
|
|
REPLICATE_METHOD(rb_eException, idRespond_to);
|
|
REPLICATE_METHOD(rb_eException, idRespond_to_missing);
|
|
}
|
|
}
|