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variable.c (rb_global_tbl): convert to id_table

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Mainly this is to reduce casting a tiny amount; and
probably nothing depends on the order of globals.
Likely no measurable memory usage improvement as globals
are not common, but maybe some weird code out there benefits.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52426 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
normal 2015-11-02 21:26:26 +00:00
parent 295135be43
commit 5aef9e1d78
2 changed files with 23 additions and 19 deletions
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4
ChangeLog
View file

@ -1,3 +1,7 @@
Tue Nov 3 06:18:21 2015 Eric Wong <e@80x24.org>
* variable.c (rb_global_tbl): convert to id_table
Tue Nov 3 01:58:46 2015 Naohisa Goto <ngotogenome@gmail.com>
* parse.y (NO_QCALL): fix type mismatch of operands that causes

38
variable.c
View file

@ -17,8 +17,9 @@
#include "constant.h"
#include "id.h"
#include "ccan/list/list.h"
#include "id_table.h"
st_table *rb_global_tbl;
struct rb_id_table *rb_global_tbl;
static ID autoload, classpath, tmp_classpath, classid;
static void check_before_mod_set(VALUE, ID, VALUE, const char *);
@ -45,7 +46,7 @@ struct ivar_update {
void
Init_var_tables(void)
{
rb_global_tbl = st_init_numtable();
rb_global_tbl = rb_id_table_create(0);
generic_iv_tbl = st_init_numtable();
autoload = rb_intern_const("__autoload__");
/* __classpath__: fully qualified class path */
@ -499,9 +500,9 @@ struct global_entry*
rb_global_entry(ID id)
{
struct global_entry *entry;
st_data_t data;
VALUE data;
if (!st_lookup(rb_global_tbl, (st_data_t)id, &data)) {
if (!rb_id_table_lookup(rb_global_tbl, id, &data)) {
struct global_variable *var;
entry = ALLOC(struct global_entry);
var = ALLOC(struct global_variable);
@ -515,7 +516,7 @@ rb_global_entry(ID id)
var->block_trace = 0;
var->trace = 0;
st_add_direct(rb_global_tbl, id, (st_data_t)entry);
rb_id_table_insert(rb_global_tbl, id, (VALUE)entry);
}
else {
entry = (struct global_entry *)data;
@ -591,8 +592,8 @@ readonly_setter(VALUE val, ID id, void *data, struct global_variable *gvar)
rb_name_error(id, "%"PRIsVALUE" is a read-only variable", QUOTE_ID(id));
}
static int
mark_global_entry(st_data_t k, st_data_t v, st_data_t a)
static enum rb_id_table_iterator_result
mark_global_entry(VALUE v, void *ignored)
{
struct global_entry *entry = (struct global_entry *)v;
struct trace_var *trace;
@ -604,14 +605,14 @@ mark_global_entry(st_data_t k, st_data_t v, st_data_t a)
if (trace->data) rb_gc_mark_maybe(trace->data);
trace = trace->next;
}
return ST_CONTINUE;
return ID_TABLE_CONTINUE;
}
void
rb_gc_mark_global_tbl(void)
{
if (rb_global_tbl)
st_foreach_safe(rb_global_tbl, mark_global_entry, 0);
rb_id_table_foreach_values(rb_global_tbl, mark_global_entry, 0);
}
static ID
@ -767,14 +768,14 @@ rb_f_untrace_var(int argc, const VALUE *argv)
ID id;
struct global_entry *entry;
struct trace_var *trace;
st_data_t data;
VALUE data;
rb_scan_args(argc, argv, "11", &var, &cmd);
id = rb_check_id(&var);
if (!id) {
rb_name_error_str(var, "undefined global variable %"PRIsVALUE"", QUOTE(var));
}
if (!st_lookup(rb_global_tbl, (st_data_t)id, &data)) {
if (!rb_id_table_lookup(rb_global_tbl, id, &data)) {
rb_name_error(id, "undefined global variable %"PRIsVALUE"", QUOTE_ID(id));
}
@ -880,13 +881,12 @@ rb_gvar_defined(struct global_entry *entry)
return Qtrue;
}
static int
gvar_i(st_data_t k, st_data_t v, st_data_t a)
static enum rb_id_table_iterator_result
gvar_i(ID key, VALUE val, void *a)
{
ID key = (ID)k;
VALUE ary = (VALUE)a;
rb_ary_push(ary, ID2SYM(key));
return ST_CONTINUE;
return ID_TABLE_CONTINUE;
}
/*
@ -905,7 +905,7 @@ rb_f_global_variables(void)
char buf[2];
int i;
st_foreach_safe(rb_global_tbl, gvar_i, ary);
rb_id_table_foreach(rb_global_tbl, gvar_i, (void *)ary);
buf[0] = '$';
for (i = 1; i <= 9; ++i) {
buf[1] = (char)(i + '0');
@ -918,13 +918,13 @@ void
rb_alias_variable(ID name1, ID name2)
{
struct global_entry *entry1, *entry2;
st_data_t data1;
VALUE data1;
entry2 = rb_global_entry(name2);
if (!st_lookup(rb_global_tbl, (st_data_t)name1, &data1)) {
if (!rb_id_table_lookup(rb_global_tbl, name1, &data1)) {
entry1 = ALLOC(struct global_entry);
entry1->id = name1;
st_add_direct(rb_global_tbl, name1, (st_data_t)entry1);
rb_id_table_insert(rb_global_tbl, name1, (VALUE)entry1);
}
else if ((entry1 = (struct global_entry *)data1)->var != entry2->var) {
struct global_variable *var = entry1->var;