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Eagerly name modules and classes

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* variable.c: make the hidden ivars `classpath` and `tmp_classpath` the source
  of truth for module and constant names. Assign to them when modules are bind
  to constants.

* variable.c: remove references to module name cache, as what used to be the cache
  is now the source of truth. Remove rb_class_path_no_cache().

* variable.c: remove the hidden ivar `classid`. This existed for the purposes of
  module name search, which is now replaced. Also, remove the associated
  rb_name_class().

* class.c: use rb_set_class_path_string to set the name of Object during boot.
  Must use a fstring as this runs before rb_cString is initialized and
  creating a normal string leads to a VALUE without a class.

* spec/ruby/core/module/name_spec.rb: add a few specs to specify what happens
  to Module#name across multiple operations. These specs pass without other
  code changes in this commit.

[Feature #15765]
This commit is contained in:
Alan Wu 2019-04-11 23:46:28 -04:00 committed by Nobuyoshi Nakada
parent a829be209f
commit b00f280d4b
No known key found for this signature in database
GPG Key ID: 4BC7D6DF58D8DF60
6 changed files with 145 additions and 229 deletions
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5
class.c
View File

@ -537,7 +537,6 @@ boot_defclass(const char *name, VALUE super)
VALUE obj = rb_class_boot(super); VALUE obj = rb_class_boot(super);
ID id = rb_intern(name); ID id = rb_intern(name);
rb_name_class(obj, id);
rb_const_set((rb_cObject ? rb_cObject : obj), id, obj); rb_const_set((rb_cObject ? rb_cObject : obj), id, obj);
rb_vm_add_root_module(id, obj); rb_vm_add_root_module(id, obj);
return obj; return obj;
@ -551,7 +550,7 @@ Init_class_hierarchy(void)
rb_gc_register_mark_object(rb_cObject); rb_gc_register_mark_object(rb_cObject);
/* resolve class name ASAP for order-independence */ /* resolve class name ASAP for order-independence */
rb_class_name(rb_cObject); rb_set_class_path_string(rb_cObject, rb_cObject, rb_fstring_lit("Object"));
rb_cModule = boot_defclass("Module", rb_cObject); rb_cModule = boot_defclass("Module", rb_cObject);
rb_cClass = boot_defclass("Class", rb_cModule); rb_cClass = boot_defclass("Class", rb_cModule);
@ -669,7 +668,6 @@ rb_define_class(const char *name, VALUE super)
} }
klass = rb_define_class_id(id, super); klass = rb_define_class_id(id, super);
rb_vm_add_root_module(id, klass); rb_vm_add_root_module(id, klass);
rb_name_class(klass, id);
rb_const_set(rb_cObject, id, klass); rb_const_set(rb_cObject, id, klass);
rb_class_inherited(super, klass); rb_class_inherited(super, klass);
@ -767,7 +765,6 @@ rb_define_module_id(ID id)
VALUE mdl; VALUE mdl;
mdl = rb_module_new(); mdl = rb_module_new();
rb_name_class(mdl, id);
return mdl; return mdl;
} }

6
gc.c
View File

@ -11097,7 +11097,7 @@ rb_raw_obj_info(char *buff, const int buff_size, VALUE obj)
} }
else { else {
if (RTEST(RBASIC(obj)->klass)) { if (RTEST(RBASIC(obj)->klass)) {
VALUE class_path = rb_class_path_cached(RBASIC(obj)->klass); VALUE class_path = rb_class_path(RBASIC(obj)->klass);
if (!NIL_P(class_path)) { if (!NIL_P(class_path)) {
APPENDF((BUFF_ARGS, "(%s)", RSTRING_PTR(class_path))); APPENDF((BUFF_ARGS, "(%s)", RSTRING_PTR(class_path)));
} }
@ -11151,7 +11151,7 @@ rb_raw_obj_info(char *buff, const int buff_size, VALUE obj)
case T_CLASS: case T_CLASS:
case T_MODULE: case T_MODULE:
{ {
VALUE class_path = rb_class_path_cached(obj); VALUE class_path = rb_class_path(obj);
if (!NIL_P(class_path)) { if (!NIL_P(class_path)) {
APPENDF((BUFF_ARGS, "%s", RSTRING_PTR(class_path))); APPENDF((BUFF_ARGS, "%s", RSTRING_PTR(class_path)));
} }
@ -11159,7 +11159,7 @@ rb_raw_obj_info(char *buff, const int buff_size, VALUE obj)
} }
case T_ICLASS: case T_ICLASS:
{ {
VALUE class_path = rb_class_path_cached(RBASIC_CLASS(obj)); VALUE class_path = rb_class_path(RBASIC_CLASS(obj));
if (!NIL_P(class_path)) { if (!NIL_P(class_path)) {
APPENDF((BUFF_ARGS, "src:%s", RSTRING_PTR(class_path))); APPENDF((BUFF_ARGS, "src:%s", RSTRING_PTR(class_path)));
} }

1
include/ruby/intern.h
View File

@ -949,7 +949,6 @@ void rb_set_class_path(VALUE, VALUE, const char*);
void rb_set_class_path_string(VALUE, VALUE, VALUE); void rb_set_class_path_string(VALUE, VALUE, VALUE);
VALUE rb_path_to_class(VALUE); VALUE rb_path_to_class(VALUE);
VALUE rb_path2class(const char*); VALUE rb_path2class(const char*);
void rb_name_class(VALUE, ID);
VALUE rb_class_name(VALUE); VALUE rb_class_name(VALUE);
VALUE rb_autoload_load(VALUE, ID); VALUE rb_autoload_load(VALUE, ID);
VALUE rb_autoload_p(VALUE, ID); VALUE rb_autoload_p(VALUE, ID);

36
spec/ruby/core/module/name_spec.rb
View File

@ -18,6 +18,33 @@ describe "Module#name" do
m::N.name.should =~ /#<Module:0x[0-9a-f]+>::N/ m::N.name.should =~ /#<Module:0x[0-9a-f]+>::N/
end end
it "changes when the module is reachable through a constant path" do
m = Module.new
module m::N; end
m::N.name.should =~ /#<Module:0x[0-9a-f]+>::N/
ModuleSpecs::Anonymous::WasAnnon = m::N
m::N.name.should == "ModuleSpecs::Anonymous::WasAnnon"
end
it "is set after it is removed from a constant" do
module ModuleSpecs
module ModuleToRemove
end
mod = ModuleToRemove
remove_const(:ModuleToRemove)
mod.name.should == "ModuleSpecs::ModuleToRemove"
end
end
it "is set after it is removed from a constant under an anonymous module" do
m = Module.new
module m::Child; end
child = m::Child
m.send(:remove_const, :Child)
child.name.should =~ /#<Module:0x[0-9a-f]+>::Child/
end
it "is set when opened with the module keyword" do it "is set when opened with the module keyword" do
ModuleSpecs.name.should == "ModuleSpecs" ModuleSpecs.name.should == "ModuleSpecs"
end end
@ -40,6 +67,15 @@ describe "Module#name" do
m.name.should == "ModuleSpecs::Anonymous::B" m.name.should == "ModuleSpecs::Anonymous::B"
end end
it "is not modified when assigned to a different anonymous module" do
m = Module.new
module m::M; end
first_name = m::M.name.dup
module m::N; end
m::N::F = m::M
m::M.name.should == first_name
end
# http://bugs.ruby-lang.org/issues/6067 # http://bugs.ruby-lang.org/issues/6067
it "is set with a conditional assignment to a nested constant" do it "is set with a conditional assignment to a nested constant" do
eval("ModuleSpecs::Anonymous::F ||= Module.new") eval("ModuleSpecs::Anonymous::F ||= Module.new")

320
variable.c
View File

@ -25,7 +25,7 @@
#include "transient_heap.h" #include "transient_heap.h"
static struct rb_id_table *rb_global_tbl; static struct rb_id_table *rb_global_tbl;
static ID autoload, classpath, tmp_classpath, classid; static ID autoload, classpath, tmp_classpath;
static VALUE autoload_featuremap; /* feature => autoload_i */ static VALUE autoload_featuremap; /* feature => autoload_i */
static void check_before_mod_set(VALUE, ID, VALUE, const char *); static void check_before_mod_set(VALUE, ID, VALUE, const char *);
@ -59,8 +59,6 @@ Init_var_tables(void)
classpath = rb_intern_const("__classpath__"); classpath = rb_intern_const("__classpath__");
/* __tmp_classpath__: temporary class path which contains anonymous names */ /* __tmp_classpath__: temporary class path which contains anonymous names */
tmp_classpath = rb_intern_const("__tmp_classpath__"); tmp_classpath = rb_intern_const("__tmp_classpath__");
/* __classid__: name given to class/module under an anonymous namespace */
classid = rb_intern_const("__classid__");
} }
static inline bool static inline bool
@ -73,163 +71,29 @@ rb_namespace_p(VALUE obj)
return false; return false;
} }
struct fc_result {
ID name, preferred;
VALUE klass;
VALUE path;
VALUE track;
struct fc_result *prev;
};
static VALUE
fc_path(struct fc_result *fc, ID name)
{
VALUE path, tmp;
path = rb_id2str(name);
while (fc) {
st_data_t n;
if (fc->track == rb_cObject) break;
if (RCLASS_IV_TBL(fc->track) &&
st_lookup(RCLASS_IV_TBL(fc->track), (st_data_t)classpath, &n)) {
tmp = rb_str_dup((VALUE)n);
rb_str_cat2(tmp, "::");
rb_str_append(tmp, path);
path = tmp;
break;
}
tmp = rb_str_dup(rb_id2str(fc->name));
rb_str_cat2(tmp, "::");
rb_str_append(tmp, path);
path = tmp;
fc = fc->prev;
}
OBJ_FREEZE(path);
return path;
}
static enum rb_id_table_iterator_result
fc_i(ID key, VALUE v, void *a)
{
rb_const_entry_t *ce = (rb_const_entry_t *)v;
struct fc_result *res = a;
VALUE value = ce->value;
if (!rb_is_const_id(key)) return ID_TABLE_CONTINUE;
if (value == res->klass && (!res->preferred || key == res->preferred)) {
res->path = fc_path(res, key);
return ID_TABLE_STOP;
}
if (rb_namespace_p(value)) {
if (!RCLASS_CONST_TBL(value)) return ID_TABLE_CONTINUE;
else {
struct fc_result arg;
struct fc_result *list;
list = res;
while (list) {
if (list->track == value) return ID_TABLE_CONTINUE;
list = list->prev;
}
arg.name = key;
arg.preferred = res->preferred;
arg.path = 0;
arg.klass = res->klass;
arg.track = value;
arg.prev = res;
rb_id_table_foreach(RCLASS_CONST_TBL(value), fc_i, &arg);
if (arg.path) {
res->path = arg.path;
return ID_TABLE_STOP;
}
}
}
return ID_TABLE_CONTINUE;
}
/**
* Traverse constant namespace and find +classpath+ for _klass_. If
* _preferred_ is not 0, choice the path whose base name is set to it.
* If +classpath+ is found, the hidden instance variable __classpath__
* is set to the found path, and __tmp_classpath__ is removed.
* The path is frozen.
*/
static VALUE
find_class_path(VALUE klass, ID preferred)
{
struct fc_result arg;
arg.preferred = preferred;
arg.name = 0;
arg.path = 0;
arg.klass = klass;
arg.track = rb_cObject;
arg.prev = 0;
if (RCLASS_CONST_TBL(rb_cObject)) {
rb_id_table_foreach(RCLASS_CONST_TBL(rb_cObject), fc_i, &arg);
}
if (arg.path) {
st_data_t tmp = tmp_classpath;
if (!RCLASS_IV_TBL(klass)) {
RCLASS_IV_TBL(klass) = st_init_numtable();
}
rb_class_ivar_set(klass, classpath, arg.path);
st_delete(RCLASS_IV_TBL(klass), &tmp, 0);
return arg.path;
}
return Qnil;
}
/** /**
* Returns +classpath+ of _klass_, if it is named, or +nil+ for * Returns +classpath+ of _klass_, if it is named, or +nil+ for
* anonymous +class+/+module+. The last part of named +classpath+ is * anonymous +class+/+module+. A named +classpath+ may contain
* never anonymous, but anonymous +class+/+module+ names may be * an anonymous component, but the last component is guaranteed
* contained. If the path is "permanent", that means it has no * to not be anonymous. <code>*permanent</code> is set to 1
* anonymous names, <code>*permanent</code> is set to 1. * if +classpath+ has no anonymous components. There is no builtin
* Ruby level APIs that can change a permanent +classpath+.
*/ */
static VALUE static VALUE
classname(VALUE klass, int *permanent) classname(VALUE klass, int *permanent)
{ {
VALUE path = Qnil; st_table *ivtbl;
st_data_t n; st_data_t n;
if (!klass) klass = rb_cObject;
*permanent = 1;
if (RCLASS_IV_TBL(klass)) {
if (!st_lookup(RCLASS_IV_TBL(klass), (st_data_t)classpath, &n)) {
ID cid = 0;
if (st_lookup(RCLASS_IV_TBL(klass), (st_data_t)classid, &n)) {
VALUE cname = (VALUE)n;
cid = rb_check_id(&cname);
if (cid) path = find_class_path(klass, cid);
}
if (NIL_P(path)) {
path = find_class_path(klass, (ID)0);
}
if (NIL_P(path)) {
if (!cid) {
return Qnil;
}
if (!st_lookup(RCLASS_IV_TBL(klass), (st_data_t)tmp_classpath, &n)) {
path = rb_id2str(cid);
return path;
}
*permanent = 0; *permanent = 0;
path = (VALUE)n; if (!RCLASS_EXT(klass)) return Qnil;
return path; if (!(ivtbl = RCLASS_IV_TBL(klass))) return Qnil;
if (st_lookup(ivtbl, (st_data_t)classpath, &n)) {
*permanent = 1;
return (VALUE)n;
} }
} if (st_lookup(ivtbl, (st_data_t)tmp_classpath, &n)) return (VALUE)n;
else { return Qnil;
path = (VALUE)n;
}
if (!RB_TYPE_P(path, T_STRING)) {
rb_bug("class path is not set properly");
}
return path;
}
return find_class_path(klass, (ID)0);
} }
/* /*
@ -268,22 +132,16 @@ make_temporary_path(VALUE obj, VALUE klass)
return path; return path;
} }
typedef VALUE (*path_cache_func)(VALUE obj, VALUE name); typedef VALUE (*fallback_func)(VALUE obj, VALUE name);
static VALUE static VALUE
rb_tmp_class_path(VALUE klass, int *permanent, path_cache_func cache_path) rb_tmp_class_path(VALUE klass, int *permanent, fallback_func fallback)
{ {
VALUE path = classname(klass, permanent); VALUE path = classname(klass, permanent);
st_data_t n = (st_data_t)path;
if (!NIL_P(path)) { if (!NIL_P(path)) {
return path; return path;
} }
if (RCLASS_IV_TBL(klass) && st_lookup(RCLASS_IV_TBL(klass),
(st_data_t)tmp_classpath, &n)) {
*permanent = 0;
return (VALUE)n;
}
else { else {
if (RB_TYPE_P(klass, T_MODULE)) { if (RB_TYPE_P(klass, T_MODULE)) {
if (rb_obj_class(klass) == rb_cModule) { if (rb_obj_class(klass) == rb_cModule) {
@ -291,40 +149,19 @@ rb_tmp_class_path(VALUE klass, int *permanent, path_cache_func cache_path)
} }
else { else {
int perm; int perm;
path = rb_tmp_class_path(RBASIC(klass)->klass, &perm, cache_path); path = rb_tmp_class_path(RBASIC(klass)->klass, &perm, fallback);
} }
} }
*permanent = 0; *permanent = 0;
return cache_path(klass, path); return fallback(klass, path);
} }
} }
static VALUE
ivar_cache(VALUE obj, VALUE name)
{
return rb_ivar_set(obj, tmp_classpath, make_temporary_path(obj, name));
}
VALUE VALUE
rb_class_path(VALUE klass) rb_class_path(VALUE klass)
{ {
int permanent; int permanent;
VALUE path = rb_tmp_class_path(klass, &permanent, ivar_cache); VALUE path = rb_tmp_class_path(klass, &permanent, make_temporary_path);
if (!NIL_P(path)) path = rb_str_dup(path);
return path;
}
static VALUE
null_cache(VALUE obj, VALUE name)
{
return make_temporary_path(obj, name);
}
VALUE
rb_class_path_no_cache(VALUE klass)
{
int permanent;
VALUE path = rb_tmp_class_path(klass, &permanent, null_cache);
if (!NIL_P(path)) path = rb_str_dup(path); if (!NIL_P(path)) path = rb_str_dup(path);
return path; return path;
} }
@ -332,18 +169,12 @@ rb_class_path_no_cache(VALUE klass)
VALUE VALUE
rb_class_path_cached(VALUE klass) rb_class_path_cached(VALUE klass)
{ {
st_table *ivtbl; int permanent;
st_data_t n; return classname(klass, &permanent);
if (!RCLASS_EXT(klass)) return Qnil;
if (!(ivtbl = RCLASS_IV_TBL(klass))) return Qnil;
if (st_lookup(ivtbl, (st_data_t)classpath, &n)) return (VALUE)n;
if (st_lookup(ivtbl, (st_data_t)tmp_classpath, &n)) return (VALUE)n;
return Qnil;
} }
static VALUE static VALUE
never_cache(VALUE obj, VALUE name) no_fallback(VALUE obj, VALUE name)
{ {
return name; return name;
} }
@ -352,7 +183,13 @@ VALUE
rb_search_class_path(VALUE klass) rb_search_class_path(VALUE klass)
{ {
int permanent; int permanent;
return rb_tmp_class_path(klass, &permanent, never_cache); return rb_tmp_class_path(klass, &permanent, no_fallback);
}
static VALUE
save_temporary_path(VALUE obj, VALUE name)
{
return rb_ivar_set(obj, tmp_classpath, make_temporary_path(obj, name));
} }
void void
@ -366,13 +203,12 @@ rb_set_class_path_string(VALUE klass, VALUE under, VALUE name)
} }
else { else {
int permanent; int permanent;
str = rb_str_dup(rb_tmp_class_path(under, &permanent, ivar_cache)); str = rb_str_dup(rb_tmp_class_path(under, &permanent, save_temporary_path));
rb_str_cat2(str, "::"); rb_str_cat2(str, "::");
rb_str_append(str, name); rb_str_append(str, name);
OBJ_FREEZE(str); OBJ_FREEZE(str);
if (!permanent) { if (!permanent) {
pathid = tmp_classpath; pathid = tmp_classpath;
rb_ivar_set(klass, classid, rb_str_intern(name));
} }
} }
rb_ivar_set(klass, pathid, str); rb_ivar_set(klass, pathid, str);
@ -389,12 +225,11 @@ rb_set_class_path(VALUE klass, VALUE under, const char *name)
} }
else { else {
int permanent; int permanent;
str = rb_str_dup(rb_tmp_class_path(under, &permanent, ivar_cache)); str = rb_str_dup(rb_tmp_class_path(under, &permanent, save_temporary_path));
rb_str_cat2(str, "::"); rb_str_cat2(str, "::");
rb_str_cat2(str, name); rb_str_cat2(str, name);
if (!permanent) { if (!permanent) {
pathid = tmp_classpath; pathid = tmp_classpath;
rb_ivar_set(klass, classid, rb_str_intern(rb_str_new_cstr(name)));
} }
} }
OBJ_FREEZE(str); OBJ_FREEZE(str);
@ -449,12 +284,6 @@ rb_path2class(const char *path)
return rb_path_to_class(rb_str_new_cstr(path)); return rb_path_to_class(rb_str_new_cstr(path));
} }
void
rb_name_class(VALUE klass, ID id)
{
rb_ivar_set(klass, classid, ID2SYM(id));
}
VALUE VALUE
rb_class_name(VALUE klass) rb_class_name(VALUE klass)
{ {
@ -465,7 +294,7 @@ const char *
rb_class2name(VALUE klass) rb_class2name(VALUE klass)
{ {
int permanent; int permanent;
VALUE path = rb_tmp_class_path(rb_class_real(klass), &permanent, ivar_cache); VALUE path = rb_tmp_class_path(rb_class_real(klass), &permanent, make_temporary_path);
if (NIL_P(path)) return NULL; if (NIL_P(path)) return NULL;
return RSTRING_PTR(path); return RSTRING_PTR(path);
} }
@ -2853,6 +2682,64 @@ check_before_mod_set(VALUE klass, ID id, VALUE val, const char *dest)
rb_check_frozen(klass); rb_check_frozen(klass);
} }
static VALUE
build_const_path(VALUE head, ID tail)
{
VALUE path = rb_str_dup(head);
rb_str_cat2(path, "::");
rb_str_append(path, rb_id2str(tail));
OBJ_FREEZE(path);
return path;
}
static void finalize_classpath_for_children(VALUE named_namespace);
static enum rb_id_table_iterator_result
finalize_classpath_i(ID id, VALUE v, void *payload)
{
rb_const_entry_t *ce = (rb_const_entry_t *)v;
VALUE value = ce->value;
int has_permanent_classpath;
VALUE parental_path = *((VALUE *) payload);
if (!rb_is_const_id(id)) {
return ID_TABLE_CONTINUE;
}
if (!rb_namespace_p(value)) {
return ID_TABLE_CONTINUE;
}
classname(value, &has_permanent_classpath);
if (has_permanent_classpath) {
return ID_TABLE_CONTINUE;
}
rb_ivar_set(value, classpath, build_const_path(parental_path, id));
if (RCLASS_IV_TBL(value)) {
st_data_t tmp = tmp_classpath;
st_delete(RCLASS_IV_TBL(value), &tmp, 0);
}
finalize_classpath_for_children(value);
return ID_TABLE_CONTINUE;
}
/*
* Assign permanent classpaths to all namespaces that are directly or indirectly
* nested under +named_namespace+. +named_namespace+ must have a permanent
* classpath.
*/
static void
finalize_classpath_for_children(VALUE named_namespace)
{
struct rb_id_table *const_table = RCLASS_CONST_TBL(named_namespace);
if (const_table) {
int permanent;
VALUE parental_path = classname(named_namespace, &permanent);
VM_ASSERT(RB_TYPE_P(parental_path, T_STRING));
VM_ASSERT(permanent);
rb_id_table_foreach(const_table, finalize_classpath_i, &parental_path);
}
}
void void
rb_const_set(VALUE klass, ID id, VALUE val) rb_const_set(VALUE klass, ID id, VALUE val)
{ {
@ -2885,24 +2772,23 @@ rb_const_set(VALUE klass, ID id, VALUE val)
* and avoid order-dependency on const_tbl * and avoid order-dependency on const_tbl
*/ */
if (rb_cObject && rb_namespace_p(val)) { if (rb_cObject && rb_namespace_p(val)) {
if (NIL_P(rb_class_path_cached(val))) { int val_path_permanent;
VALUE val_path = classname(val, &val_path_permanent);
if (NIL_P(val_path) || !val_path_permanent) {
if (klass == rb_cObject) { if (klass == rb_cObject) {
rb_ivar_set(val, classpath, rb_id2str(id)); rb_ivar_set(val, classpath, rb_id2str(id));
rb_name_class(val, id); finalize_classpath_for_children(val);
} }
else { else {
VALUE path; int parental_path_permanent;
ID pathid; VALUE parental_path = classname(klass, &parental_path_permanent);
st_data_t n; if (!NIL_P(parental_path)) {
st_table *ivtbl = RCLASS_IV_TBL(klass); if (parental_path_permanent && !val_path_permanent) {
if (ivtbl && rb_ivar_set(val, classpath, build_const_path(parental_path, id));
(st_lookup(ivtbl, (st_data_t)(pathid = classpath), &n) || finalize_classpath_for_children(val);
st_lookup(ivtbl, (st_data_t)(pathid = tmp_classpath), &n))) { } else if (!parental_path_permanent && NIL_P(val_path)) {
path = rb_str_dup((VALUE)n); rb_ivar_set(val, tmp_classpath, build_const_path(parental_path, id));
rb_str_append(rb_str_cat2(path, "::"), rb_id2str(id)); }
OBJ_FREEZE(path);
rb_ivar_set(val, pathid, path);
rb_name_class(val, id);
} }
} }
} }

4
vm.c
View File

@ -374,8 +374,6 @@ rb_vm_inc_const_missing_count(void)
ruby_vm_const_missing_count +=1; ruby_vm_const_missing_count +=1;
} }
VALUE rb_class_path_no_cache(VALUE _klass);
MJIT_FUNC_EXPORTED int MJIT_FUNC_EXPORTED int
rb_dtrace_setup(rb_execution_context_t *ec, VALUE klass, ID id, rb_dtrace_setup(rb_execution_context_t *ec, VALUE klass, ID id,
struct ruby_dtrace_method_hook_args *args) struct ruby_dtrace_method_hook_args *args)
@ -395,7 +393,7 @@ rb_dtrace_setup(rb_execution_context_t *ec, VALUE klass, ID id,
} }
type = BUILTIN_TYPE(klass); type = BUILTIN_TYPE(klass);
if (type == T_CLASS || type == T_ICLASS || type == T_MODULE) { if (type == T_CLASS || type == T_ICLASS || type == T_MODULE) {
VALUE name = rb_class_path_no_cache(klass); VALUE name = rb_class_path(klass);
const char *classname, *filename; const char *classname, *filename;
const char *methodname = rb_id2name(id); const char *methodname = rb_id2name(id);
if (methodname && (filename = rb_source_location_cstr(&args->line_no)) != 0) { if (methodname && (filename = rb_source_location_cstr(&args->line_no)) != 0) {