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changed VM to emulate 'Dictionary new: ..' for MAKE_DICTIONARY

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changed VM to emulate 'dic put_assoc: assoc' for POP_INTO_DICTIONARY
This commit is contained in:
hyunghwan.chung 2017-02-10 07:38:29 +00:00
parent 46f3e8635e
commit b1c28d03d7
6 changed files with 106 additions and 85 deletions
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99
moo/kernel/Collect.moo
View File

@ -130,7 +130,7 @@ class Set(Collection)
{
dcl tally bucket.
method new: size
method(#class) new: size
{
^self new initialize: size.
}
@ -211,45 +211,6 @@ class Set(Collection)
^ass
}
(* __put_assoc: is a special internal method used by VM to add an association
* to a dictionary with the dictionary/association expression notation.
* :{ :( 1, 20 ), :( #moo, 999) } *)
method __put_assoc: assoc
{
| hv ass bs index ntally key |
key := assoc key.
bs := self.bucket size.
hv := key hash.
index := hv rem: bs.
while ((ass := self.bucket at: index) notNil)
{
if (key = ass key)
{
(* found *)
self.bucket at: index put: assoc.
^self. ## it must return self for the instructions generated by the compiler.
}.
index := (index + 1) rem: bs.
}.
(* not found *)
ntally := self.tally + 1.
if (ntally >= bs)
{
self.bucket := self __make_expanded_bucket: bs.
bs := self.bucket size.
index := hv rem: bs.
while ((self.bucket at: index) notNil) { index := (index + 1) rem: bs }.
}.
self.tally := ntally.
self.bucket at: index put: assoc.
^self. ## it must return self for the instructions generated by the compiler.
}
method at: key
{
| ass |
@ -446,6 +407,62 @@ class SymbolSet(Set)
class Dictionary(Set)
{
(* [NOTE]
* VM require Dictionary to implement new: and __put_assoc
* for the dictionary expression notation - :{ }
*)
## TODO: implement Dictionary as a Hashed List/Table or Red-Black Tree
## Do not inherit Set upon reimplementation
##
method(#class) new: size
{
^super new: (size + 10).
}
(* put_assoc: is called internally by VM to add an association
* to a dictionary with the dictionary/association expression notation
* like this:
*
* :{ :( 1, 20 ), :( #moo, 999) }
*
* it must return self for the way VM works.
*)
method put_assoc: assoc
{
| hv ass bs index ntally key |
key := assoc key.
bs := self.bucket size.
hv := key hash.
index := hv rem: bs.
while ((ass := self.bucket at: index) notNil)
{
if (key = ass key)
{
(* found *)
self.bucket at: index put: assoc.
^self. ## it must return self for the instructions generated by the compiler.
}.
index := (index + 1) rem: bs.
}.
(* not found *)
ntally := self.tally + 1.
if (ntally >= bs)
{
self.bucket := self __make_expanded_bucket: bs.
bs := self.bucket size.
index := hv rem: bs.
while ((self.bucket at: index) notNil) { index := (index + 1) rem: bs }.
}.
self.tally := ntally.
self.bucket at: index put: assoc.
^self. ## it must return self for the instructions generated by the compiler.
}
}
pooldic Log
@ -462,7 +479,7 @@ pooldic Log
#FATAL := 16.
}
class SystemDictionary(Dictionary)
class SystemDictionary(Set)
{
## the following methods may not look suitable to be placed
## inside a system dictionary. but they are here for quick and dirty

8
moo/kernel/Mill.moo
View File

@ -272,7 +272,7 @@ class MyObject(Object)
method(#class) main
{
|a|
|a i |
a := 100.
## PROBLEM: the following double loop will exhaust the stack
@ -308,15 +308,17 @@ class MyObject(Object)
(*a removeKey: 'bbb'.
a remove: :(#bbb).*)
1 to: 100 do: [ :i | a at: i put: (i * 2) ].
##1 to: 100 do: [ :i | a at: i put: (i * 2) ].
a keysAndValuesDo: [:k :v |
k dump.
v dump.
'------------' dump.
].
(a associationAt: :(#aaa)) dump.
(*
while (true)
{
while (true)
@ -324,7 +326,7 @@ class MyObject(Object)
[:j :q | (j + q) dump] value: (if (true) { 20 }) value: (if (true) { break }).
(1 + (if (false) {} else { break })) dump.
}
}
}*)
}
}

18
moo/lib/comp.c
View File

@ -4177,24 +4177,8 @@ static int compile_dictionary_expression (moo_t* moo)
{
if (TOKEN_TYPE(moo) == MOO_IOTOK_ASSPAREN)
{
moo_oow_t si;
static moo_ooch_t msg[] = { '_', '_','p','u','t','_','a','s','s','o','c',':' }; /* don't put '\0' at the back */
moo_oocs_t x;
x.ptr = msg;
x.len = MOO_COUNTOF(msg);
/* [ATTENTION]
* if the method returns self, i don't need DUP_STACKTOP and POP_STACKTOP.
* if the method retruns something else, DUP_STACKTOP and POP_STACKTOP is needed
* to emulate message cascading.
if (emit_byte_instruction (moo, BCODE_DUP_STACKTOP) <= -1 ||
compile_association_expression(moo) <= -1 ||
add_symbol_literal(moo, &x, 0, &si) <= -1 ||
emit_double_param_instruction (moo, BCODE_SEND_MESSAGE_0, 1, si) <= -1 ||
emit_byte_instruction (moo, BCODE_POP_STACKTOP) <= -1) return -1; */
if (compile_association_expression(moo) <= -1 ||
add_symbol_literal(moo, &x, 0, &si) <= -1 ||
emit_double_param_instruction (moo, BCODE_SEND_MESSAGE_0, 1, si) <= -1) return -1;
emit_byte_instruction (moo, BCODE_POP_INTO_DICTIONARY) <= -1) return -1;
count++;
}
else

34
moo/lib/exec.c
View File

@ -3716,7 +3716,7 @@ int moo_execute (moo_t* moo)
LOG_INST_3 (moo, "send_message%hs %zu @%zu", (((bcode >> 2) & 1)? "_to_super": ""), b1, b2);
if (send_message (moo, selector, ((bcode >> 2) & 1), b1) <= -1) goto oops;
break; /* CMD_SEND_MESSAGE */
break;
}
/* -------------------------------------------------------- */
@ -3795,32 +3795,36 @@ int moo_execute (moo_t* moo)
/* -------------------------------------------------------- */
case BCODE_MAKE_DICTIONARY:
{
moo_oop_t t;
FETCH_PARAM_CODE_TO (moo, b1);
LOG_INST_1 (moo, "make_dictionary %zu", b1);
/* create an empty array */
t = (moo_oop_t)moo_makedic (moo, moo->_dictionary, b1 + 10); /* TODO: find a better value than +10 for initial dictionary sizing */
if (!t) goto oops;
MOO_STACK_PUSH (moo, t); /* push the array created */
/* Dictionary new: b1
* doing this allows users to redefine Dictionary whatever way they like.
* if i did the followings instead, the internal of Dictionary would get
* tied to the system dictionary implementation. the system dictionary
* implementation is flawed in that it accepts only a variable character
* object as a key. it's better to invoke 'Dictionary new: ...'.
t = (moo_oop_t)moo_makedic (moo, moo->_dictionary, b1 + 10);
MOO_STACK_PUSH (moo, t);
*/
MOO_STACK_PUSH (moo, moo->_dictionary);
MOO_STACK_PUSH (moo, MOO_SMOOI_TO_OOP(b1));
if (send_message (moo, moo->dicnewsym, 0, 1) <= -1) goto oops;
break;
}
case BCODE_POP_INTO_DICTIONARY:
{
moo_oop_t t1, t2;
LOG_INST_0 (moo, "pop_into_dictionary");
/* dic __put_assoc: assoc
* whether the system dictinoary implementation is flawed or not,
* the code would look like this if it were used.
t1 = MOO_STACK_GETTOP(moo);
MOO_STACK_POP (moo);
t2 = MOO_STACK_GETTOP(moo);
moo_putatdic (moo, (moo_oop_set_t)t2, ((moo_oop_association_t)t1)->key, ((moo_oop_association_t)t1)->value); /* TODO: 1. erorr check 2. reuse association as it it */
moo_putatdic (moo, (moo_oop_set_t)t2, ((moo_oop_association_t)t1)->key, ((moo_oop_association_t)t1)->value);
*/
if (send_message (moo, moo->dicputassocsym, 0, 1) <= -1) goto oops;
break;
}
case BCODE_MAKE_ASSOCIATION:
{

18
moo/lib/gc.c
View File

@ -279,6 +279,8 @@ static int ignite_3 (moo_t* moo)
static moo_ooch_t str_system[] = { 'S','y','s','t','e', 'm' };
static moo_ooch_t str_processor[] = { 'P', 'r', 'o', 'c', 'e', 's', 's', 'o', 'r' };
static moo_ooch_t str_dicnew[] = { 'n', 'e', 'w', ':' };
static moo_ooch_t str_dicputassoc[] = { 'p', 'u', 't', '_', 'a', 's', 's', 'o', 'c', ':' };
moo_oow_t i;
moo_oop_t sym, cls;
@ -295,16 +297,24 @@ static int ignite_3 (moo_t* moo)
moo_ptr++;
}
/* Make the system dictionary available as the global name 'Stix' */
sym = moo_makesymbol (moo, str_system, 6);
/* Make the system dictionary available as the global name 'System' */
sym = moo_makesymbol (moo, str_system, MOO_COUNTOF(str_system));
if (!sym) return -1;
if (!moo_putatsysdic(moo, sym, (moo_oop_t)moo->sysdic)) return -1;
/* Make the process scheduler avaialble as the global name 'Processor' */
sym = moo_makesymbol (moo, str_processor, 9);
sym = moo_makesymbol (moo, str_processor, MOO_COUNTOF(str_processor));
if (!sym) return -1;
if (!moo_putatsysdic(moo, sym, (moo_oop_t)moo->processor)) return -1;
sym = moo_makesymbol (moo, str_dicnew, MOO_COUNTOF(str_dicnew));
if (!sym) return -1;
moo->dicnewsym = sym;
sym = moo_makesymbol (moo, str_dicputassoc, MOO_COUNTOF(str_dicputassoc));
if (!sym) return -1;
moo->dicputassocsym = sym;
return 0;
}
@ -603,6 +613,8 @@ void moo_gc (moo_t* moo)
moo->sysdic = (moo_oop_set_t)moo_moveoop (moo, (moo_oop_t)moo->sysdic);
moo->processor = (moo_oop_process_scheduler_t)moo_moveoop (moo, (moo_oop_t)moo->processor);
moo->nil_process = (moo_oop_process_t)moo_moveoop (moo, (moo_oop_t)moo->nil_process);
moo->dicnewsym = (moo_oop_char_t)moo_moveoop (moo, (moo_oop_t)moo->dicnewsym);
moo->dicputassocsym = (moo_oop_char_t)moo_moveoop (moo, (moo_oop_t)moo->dicputassocsym);
for (i = 0; i < moo->sem_list_count; i++)
{

2
moo/lib/moo.h
View File

@ -940,6 +940,8 @@ struct moo_t
moo_oop_set_t sysdic; /* system dictionary. instance of SystemDictionary */
moo_oop_process_scheduler_t processor; /* instance of ProcessScheduler */
moo_oop_process_t nil_process; /* instance of Process */
moo_oop_char_t dicnewsym; /* symbol new: for dictionary */
moo_oop_char_t dicputassocsym; /* symbol put_assoc: for dictionary */
/* pending asynchronous semaphores */
moo_oop_semaphore_t* sem_list;