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* id_table.h: introduce ID key table.

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[Feature #11420]
  This table only manage ID->VALUE table to reduce overhead of st.
  Some functions prefixed rb_id_table_* are provided.
* id_table.c: implement rb_id_table_*.
  There are several algorithms to implement it.
  Now, there are roughly 4 types:
    * st
    * array
    * hash (implemented by  Yura Sokolov)
    * mix of array and hash
  The macro ID_TABLE_IMPL can choose implementation.
  You can see detailes about them at the head of id_table.c.
  At the default, I choose 34 (mix of list and hash).
  This is not final decision.
  Please report your suitable parameters or
  your data structure.
  * symbol.c: introduce rb_id_serial_t and rb_id_to_serial()
    to represent ID by serial number.
  * internal.h: use id_table for method tables.
  * class.c, gc.c, marshal.c, vm.c, vm_method.c: ditto.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51541 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
ko1 2015-08-12 08:43:55 +00:00
parent ce5196b228
commit c35ff11ae5
12 changed files with 1707 additions and 99 deletions
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33
symbol.h
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@ -32,15 +32,6 @@ struct RSymbol {
#define RSYMBOL(obj) (R_CAST(RSymbol)(obj))
static inline int
id_type(ID id)
{
if (id<=tLAST_OP_ID) {
return -1;
}
return (int)(id&ID_SCOPE_MASK);
}
#define is_notop_id(id) ((id)>tLAST_OP_ID)
#define is_local_id(id) (id_type(id)==ID_LOCAL)
#define is_global_id(id) (id_type(id)==ID_GLOBAL)
@ -50,6 +41,30 @@ id_type(ID id)
#define is_class_id(id) (id_type(id)==ID_CLASS)
#define is_junk_id(id) (id_type(id)==ID_JUNK)
static inline int
id_type(ID id)
{
if (is_notop_id(id)) {
return (int)(id&ID_SCOPE_MASK);
}
else {
return -1;
}
}
typedef uint32_t rb_id_serial_t;
static inline rb_id_serial_t
rb_id_to_serial(ID id)
{
if (is_notop_id(id)) {
return (rb_id_serial_t)(id >> ID_SCOPE_SHIFT);
}
else {
return (rb_id_serial_t)id;
}
}
static inline int
sym_type(VALUE sym)
{