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smarter caching

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CPunch 2020-12-09 20:46:20 -06:00
parent 181ef8a18c
commit b1facfc92f
4 changed files with 10 additions and 2 deletions
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4
src/cobj.c
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@ -211,6 +211,7 @@ CObjString *cosmoO_takeString(CState *state, char *str, size_t sz) {
CObjString *cosmoO_allocateString(CState *state, const char *str, size_t sz, uint32_t hash) { CObjString *cosmoO_allocateString(CState *state, const char *str, size_t sz, uint32_t hash) {
CObjString *strObj = (CObjString*)cosmoO_allocateBase(state, sizeof(CObjString), COBJ_STRING); CObjString *strObj = (CObjString*)cosmoO_allocateBase(state, sizeof(CObjString), COBJ_STRING);
strObj->isIString = false;
strObj->str = (char*)str; strObj->str = (char*)str;
strObj->length = sz; strObj->length = sz;
strObj->hash = hash; strObj->hash = hash;
@ -254,7 +255,10 @@ void cosmoO_setObject(CState *state, CObjObject *object, CValue key, CValue val)
return; return;
} }
// if the key is an IString, we need to reset the cache
if (IS_STRING(key) && ((CObjString*)cosmoV_readObj(key))->isIString)
object->istringFlags = 0; // reset cache object->istringFlags = 0; // reset cache
if (IS_NIL(val)) { // if we're setting an index to nil, we can safely mark that as a tombstone if (IS_NIL(val)) { // if we're setting an index to nil, we can safely mark that as a tombstone
cosmoT_remove(state, &object->tbl, key); cosmoT_remove(state, &object->tbl, key);
} else { } else {

1
src/cobj.h
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@ -37,6 +37,7 @@ typedef struct CObj {
typedef struct CObjString { typedef struct CObjString {
CommonHeader; // "is a" CObj CommonHeader; // "is a" CObj
bool isIString;
int length; int length;
char *str; char *str;
uint32_t hash; // for hashtable lookup uint32_t hash; // for hashtable lookup

4
src/cstate.c
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@ -49,6 +49,10 @@ CState *cosmoV_newState() {
state->iStrings[ISTRING_GETTER] = cosmoO_copyString(state, "__getter", 8); state->iStrings[ISTRING_GETTER] = cosmoO_copyString(state, "__getter", 8);
state->iStrings[ISTRING_SETTER] = cosmoO_copyString(state, "__setter", 8); state->iStrings[ISTRING_SETTER] = cosmoO_copyString(state, "__setter", 8);
// set the IString flags
for (int i = 0; i < ISTRING_MAX; i++)
state->iStrings[i]->isIString = true;
return state; return state;
} }

1
src/cstate.h
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@ -14,7 +14,6 @@ typedef struct CCallFrame {
typedef enum IStringEnum { typedef enum IStringEnum {
ISTRING_INIT, // __init ISTRING_INIT, // __init
ISTRING_EQUAL, // __equal
ISTRING_INDEX, // __index ISTRING_INDEX, // __index
ISTRING_NEWINDEX, // __newindex ISTRING_NEWINDEX, // __newindex
ISTRING_GETTER, // __getter ISTRING_GETTER, // __getter