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renamed cosmoV_pushObj->cosmoV_pushRef & cosmoV_newObj->cosmoV_newRef

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This commit is contained in:
CPunch 2021-02-07 14:05:53 -06:00
parent 8d37f1f243
commit 0d344f65df
7 changed files with 56 additions and 55 deletions
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8
src/cbaselib.c
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@ -83,7 +83,7 @@ int cosmoB_tostring(CState *state, int nargs, CValue *args) {
return 0;
}
cosmoV_pushObj(state, (CObj*)cosmoV_toString(state, args[0]));
cosmoV_pushRef(state, (CObj*)cosmoV_toString(state, args[0]));
return 1;
}
@ -162,7 +162,7 @@ int cosmoB_ogetProto(CState *state, int nargs, CValue *args) {
return 0;
}
cosmoV_pushObj(state, (CObj*)cosmoV_readObject(args[0])->_obj.proto); // just return the proto
cosmoV_pushRef(state, (CObj*)cosmoV_readObject(args[0])->_obj.proto); // just return the proto
return 1; // 1 result
}
@ -528,7 +528,7 @@ void cosmoB_loadMathLib(CState *state) {
// vm.__getter["globals"]
int cosmoB_vgetGlobal(CState *state, int nargs, CValue *args) {
// this function doesn't need to check anything, just return the global table
cosmoV_pushObj(state, (CObj*)state->globals);
cosmoV_pushRef(state, (CObj*)state->globals);
return 1;
}
@ -569,7 +569,7 @@ int cosmoB_vindexBProto(CState *state, int nargs, CValue *args) {
}
if (state->protoObjects[indx] != NULL)
cosmoV_pushObj(state, (CObj*)state->protoObjects[indx]);
cosmoV_pushRef(state, (CObj*)state->protoObjects[indx]);
else
cosmoV_pushNil(state);

24
src/cobj.c
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@ -116,7 +116,7 @@ CObjObject *cosmoO_newObject(CState *state) {
obj->userP = NULL; // reserved for C API
obj->userT = 0;
obj->isLocked = false;
cosmoV_pushObj(state, (CObj*)obj); // so our GC can keep track of it
cosmoV_pushRef(state, (CObj*)obj); // so our GC can keep track of it
cosmoT_initTable(state, &obj->tbl, ARRAY_START);
cosmoV_pop(state);
@ -127,7 +127,7 @@ CObjTable *cosmoO_newTable(CState *state) {
CObjTable *obj = (CObjTable*)cosmoO_allocateBase(state, sizeof(CObjTable), COBJ_TABLE);
// init the table (might cause a GC event)
cosmoV_pushObj(state, (CObj*)obj); // so our GC can keep track of obj
cosmoV_pushRef(state, (CObj*)obj); // so our GC can keep track of obj
cosmoT_initTable(state, &obj->tbl, ARRAY_START);
cosmoV_pop(state);
@ -238,8 +238,8 @@ CObjString *cosmoO_allocateString(CState *state, const char *str, size_t sz, uin
strObj->hash = hash;
// we push & pop the string so our GC can find it (we don't use freezeGC/unfreezeGC because we *want* a GC event to happen)
cosmoV_pushObj(state, (CObj*)strObj);
cosmoT_insert(state, &state->strings, cosmoV_newObj((CObj*)strObj));
cosmoV_pushRef(state, (CObj*)strObj);
cosmoT_insert(state, &state->strings, cosmoV_newRef((CObj*)strObj));
cosmoV_pop(state);
return strObj;
@ -314,7 +314,7 @@ bool cosmoO_getRawObject(CState *state, CObjObject *proto, CValue key, CValue *v
if (!cosmoT_get(&proto->tbl, key, val)) { // if the field doesn't exist in the object, check the proto
if (cosmoO_getIString(state, proto, ISTRING_GETTER, val) && IS_TABLE(*val) && cosmoT_get(&cosmoV_readTable(*val)->tbl, key, val)) {
cosmoV_pushValue(state, *val); // push function
cosmoV_pushObj(state, (CObj*)obj); // push object
cosmoV_pushRef(state, (CObj*)obj); // push object
if (cosmoV_call(state, 1, 1) != COSMOVM_OK) // call the function with the 1 argument
return false;
*val = *cosmoV_pop(state); // set value to the return value of __index
@ -343,7 +343,7 @@ void cosmoO_setRawObject(CState *state, CObjObject *proto, CValue key, CValue va
// check for __setters
if (cosmoO_getIString(state, proto, ISTRING_SETTER, &ret) && IS_TABLE(ret) && cosmoT_get(&cosmoV_readTable(ret)->tbl, key, &ret)) {
cosmoV_pushValue(state, ret); // push function
cosmoV_pushObj(state, (CObj*)obj); // push object
cosmoV_pushRef(state, (CObj*)obj); // push object
cosmoV_pushValue(state, val); // push new value
cosmoV_call(state, 2, 0);
return;
@ -397,7 +397,7 @@ bool rawgetIString(CState *state, CObjObject *object, int flag, CValue *val) {
if (readFlag(object->istringFlags, flag))
return false; // it's been cached as bad
if (!cosmoT_get(&object->tbl, cosmoV_newObj(state->iStrings[flag]), val)) {
if (!cosmoT_get(&object->tbl, cosmoV_newRef(state->iStrings[flag]), val)) {
// mark it bad!
setFlagOn(object->istringFlags, flag);
return false;
@ -420,7 +420,7 @@ bool cosmoO_getIString(CState *state, CObjObject *object, int flag, CValue *val)
bool cosmoO_indexObject(CState *state, CObjObject *object, CValue key, CValue *val) {
if (cosmoO_getIString(state, object, ISTRING_INDEX, val)) {
cosmoV_pushValue(state, *val); // push function
cosmoV_pushObj(state, (CObj*)object); // push object
cosmoV_pushRef(state, (CObj*)object); // push object
cosmoV_pushValue(state, key); // push key
if (cosmoV_call(state, 2, 1) != COSMOVM_OK) // call the function with the 2 arguments
return false;
@ -438,7 +438,7 @@ bool cosmoO_newIndexObject(CState *state, CObjObject *object, CValue key, CValue
if (cosmoO_getIString(state, object, ISTRING_NEWINDEX, &ret)) {
cosmoV_pushValue(state, ret); // push function
cosmoV_pushObj(state, (CObj*)object); // push object
cosmoV_pushRef(state, (CObj*)object); // push object
cosmoV_pushValue(state, key); // push key & value pair
cosmoV_pushValue(state, val);
return cosmoV_call(state, 3, 0) == COSMOVM_OK;
@ -456,7 +456,7 @@ CObjString *cosmoO_toString(CState *state, CObj *obj) {
// use user-defined __tostring
if (protoObject != NULL && cosmoO_getIString(state, protoObject, ISTRING_TOSTRING, &res)) {
cosmoV_pushValue(state, res);
cosmoV_pushObj(state, (CObj*)obj);
cosmoV_pushRef(state, (CObj*)obj);
if (cosmoV_call(state, 1, 1) != COSMOVM_OK)
return cosmoO_copyString(state, "<err>", 5);
@ -518,7 +518,7 @@ cosmo_Number cosmoO_toNumber(CState *state, CObj *obj) {
if (proto != NULL && cosmoO_getIString(state, proto, ISTRING_TONUMBER, &res)) {
cosmoV_pushValue(state, res);
cosmoV_pushObj(state, (CObj*)obj);
cosmoV_pushRef(state, (CObj*)obj);
if (cosmoV_call(state, 1, 1) != COSMOVM_OK) // call res, expect 1 return val of <number>
return 0;
@ -549,7 +549,7 @@ int cosmoO_count(CState *state, CObj *obj) {
if (proto != NULL && cosmoO_getIString(state, proto, ISTRING_COUNT, &res)) {
cosmoV_pushValue(state, res);
cosmoV_pushObj(state, (CObj*)obj);
cosmoV_pushRef(state, (CObj*)obj);
if (cosmoV_call(state, 1, 1) != COSMOVM_OK) // call res, we expect 1 return value of type <number>
return 0;

8
src/cparse.c
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@ -296,7 +296,7 @@ void patchJmp(CParseState *pstate, int index) {
}
static uint16_t identifierConstant(CParseState *pstate, CToken *name) {
return makeConstant(pstate, cosmoV_newObj((CObj*)cosmoO_copyString(pstate->state, name->start, name->length)));
return makeConstant(pstate, cosmoV_newRef((CObj*)cosmoO_copyString(pstate->state, name->start, name->length)));
}
static void addLocal(CParseState *pstate, CToken name) {
@ -419,7 +419,7 @@ static void binnumber(CParseState *pstate, bool canAssign, Precedence prec) {
static void string(CParseState *pstate, bool canAssign, Precedence prec) {
CObjString *strObj = cosmoO_takeString(pstate->state, pstate->previous.start, pstate->previous.length);
writeConstant(pstate, cosmoV_newObj((CObj*)strObj));
writeConstant(pstate, cosmoV_newRef((CObj*)strObj));
}
static void literal(CParseState *pstate, bool canAssign, Precedence prec) {
@ -1296,7 +1296,7 @@ static void function(CParseState *pstate, FunctionType type) {
// push closure
writeu8(pstate, OP_CLOSURE);
writeu16(pstate, makeConstant(pstate, cosmoV_newObj(objFunc)));
writeu16(pstate, makeConstant(pstate, cosmoV_newRef(objFunc)));
valuePushed(pstate, 1);
// tell the vm what locals/upvalues to pass to this closure
@ -1651,7 +1651,7 @@ CObjFunction* cosmoP_compileString(CState *state, const char *source, const char
freeParseState(&parser);
// push the funciton onto the stack so if we cause an GC event, it won't be free'd
cosmoV_pushObj(state, (CObj*)resFunc);
cosmoV_pushRef(state, (CObj*)resFunc);
cosmoM_unfreezeGC(state);
cosmoV_pop(state);
return resFunc;

4
src/cvalue.h
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@ -52,7 +52,7 @@ typedef union CValue {
#define cosmoV_newNumber(x) ((CValue){.num = x})
#define cosmoV_newBoolean(x) ((CValue){.data = MAKE_PAYLOAD(x) | BOOL_SIG})
#define cosmoV_newObj(x) ((CValue){.data = MAKE_PAYLOAD((uintptr_t)x) | OBJ_SIG})
#define cosmoV_newRef(x) ((CValue){.data = MAKE_PAYLOAD((uintptr_t)x) | OBJ_SIG})
#define cosmoV_newNil() ((CValue){.data = NIL_SIG})
#define cosmoV_readNumber(x) ((x).num)
@ -83,7 +83,7 @@ typedef struct CValue {
#define cosmoV_newNumber(x) ((CValue){COSMO_TNUMBER, {.num = (x)}})
#define cosmoV_newBoolean(x) ((CValue){COSMO_TBOOLEAN, {.b = (x)}})
#define cosmoV_newObj(x) ((CValue){COSMO_TOBJ, {.obj = (CObj*)(x)}})
#define cosmoV_newRef(x) ((CValue){COSMO_TOBJ, {.obj = (CObj*)(x)}})
#define cosmoV_newNil() ((CValue){COSMO_TNIL, {.num = 0}})
// read CValues

54
src/cvm.c
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@ -37,14 +37,14 @@ COSMO_API bool cosmoV_compileString(CState *state, const char *src, const char *
disasmChunk(&func->chunk, func->module->str, 0);
#endif
// push function onto the stack so it doesn't it cleaned up by the GC, at the same stack location put our closure
cosmoV_pushObj(state, (CObj*)func);
*(cosmoV_getTop(state, 0)) = cosmoV_newObj(cosmoO_newClosure(state, func));
cosmoV_pushRef(state, (CObj*)func);
*(cosmoV_getTop(state, 0)) = cosmoV_newRef(cosmoO_newClosure(state, func));
return true;
}
// fail
state->panic = false;
cosmoV_pushObj(state, (CObj*)state->error);
cosmoV_pushRef(state, (CObj*)state->error);
return false;
}
@ -173,9 +173,9 @@ void cosmoV_concat(CState *state, int vals) {
CObjString *result = cosmoV_toString(state, *start);
for (StkPtr current = start + 1; current <= end; current++) {
cosmoV_pushObj(state, (CObj*)result); // so our GC can find our current result string
cosmoV_pushRef(state, (CObj*)result); // so our GC can find our current result string
CObjString *otherStr = cosmoV_toString(state, *current);
cosmoV_pushObj(state, (CObj*)otherStr); // also so our GC won't free otherStr
cosmoV_pushRef(state, (CObj*)otherStr); // also so our GC won't free otherStr
// concat the two strings together
size_t sz = result->length + otherStr->length;
@ -190,7 +190,7 @@ void cosmoV_concat(CState *state, int vals) {
}
state->top = start;
cosmoV_pushObj(state, (CObj*)result);
cosmoV_pushRef(state, (CObj*)result);
}
int cosmoV_execute(CState *state);
@ -324,7 +324,7 @@ bool callCValue(CState *state, CValue func, int args, int nresults, int offset)
CObjObject *protoObj = (CObjObject*)cosmoV_readRef(func);
CValue ret;
cosmoV_pushObj(state, (CObj*)protoObj); // push proto to stack for GC to find
cosmoV_pushRef(state, (CObj*)protoObj); // push proto to stack for GC to find
CObjObject *newObj = cosmoO_newObject(state);
newObj->_obj.proto = protoObj;
cosmoV_pop(state); // pop proto
@ -340,7 +340,7 @@ bool callCValue(CState *state, CValue func, int args, int nresults, int offset)
}
if (nresults > 0) {
cosmoV_pushObj(state, (CObj*)newObj);
cosmoV_pushRef(state, (CObj*)newObj);
// push the nils to fill up the expected return values
for (int i = 0; i < nresults - 1; i++) { // -1 since the we already pushed the important value
@ -360,7 +360,7 @@ bool callCValue(CState *state, CValue func, int args, int nresults, int offset)
bool invokeMethod(CState* state, CObj *obj, CValue func, int args, int nresults, int offset) {
// first, set the first argument to the object
StkPtr temp = cosmoV_getTop(state, args);
*temp = cosmoV_newObj(obj);
*temp = cosmoV_newRef(obj);
return callCValue(state, func, args+1, nresults, offset);
}
@ -374,7 +374,7 @@ COSMOVMRESULT cosmoV_pcall(CState *state, int args, int nresults) {
state->panic = false;
if (nresults > 0) {
cosmoV_pushObj(state, (CObj*)state->error);
cosmoV_pushRef(state, (CObj*)state->error);
// push other expected results onto the stack
for (int i = 0; i < nresults-1; i++)
@ -407,7 +407,7 @@ static inline bool isFalsey(StkPtr val) {
COSMO_API CObjObject* cosmoV_makeObject(CState *state, int pairs) {
StkPtr key, val;
CObjObject *newObj = cosmoO_newObject(state);
cosmoV_pushObj(state, (CObj*)newObj); // so our GC doesn't free our new object
cosmoV_pushRef(state, (CObj*)newObj); // so our GC doesn't free our new object
for (int i = 0; i < pairs; i++) {
val = cosmoV_getTop(state, (i*2) + 1);
@ -420,7 +420,7 @@ COSMO_API CObjObject* cosmoV_makeObject(CState *state, int pairs) {
// once done, pop everything off the stack + push new object
cosmoV_setTop(state, (pairs * 2) + 1); // + 1 for our object
cosmoV_pushObj(state, (CObj*)newObj);
cosmoV_pushRef(state, (CObj*)newObj);
return newObj;
}
@ -433,7 +433,7 @@ COSMO_API bool cosmoV_registerProtoObject(CState *state, CObjType objType, CObjO
COSMO_API void cosmoV_makeTable(CState *state, int pairs) {
StkPtr key, val;
CObjTable *newObj = cosmoO_newTable(state);
cosmoV_pushObj(state, (CObj*)newObj); // so our GC doesn't free our new table
cosmoV_pushRef(state, (CObj*)newObj); // so our GC doesn't free our new table
for (int i = 0; i < pairs; i++) {
val = cosmoV_getTop(state, (i*2) + 1);
@ -446,7 +446,7 @@ COSMO_API void cosmoV_makeTable(CState *state, int pairs) {
// once done, pop everything off the stack + push new table
cosmoV_setTop(state, (pairs * 2) + 1); // + 1 for our table
cosmoV_pushObj(state, (CObj*)newObj);
cosmoV_pushRef(state, (CObj*)newObj);
}
COSMO_API bool cosmoV_get(CState *state, CObj *_obj, CValue key, CValue *val) {
@ -461,7 +461,7 @@ COSMO_API bool cosmoV_get(CState *state, CObj *_obj, CValue key, CValue *val) {
}
// push the object onto the stack so the GC can find it
cosmoV_pushObj(state, (CObj*)object);
cosmoV_pushRef(state, (CObj*)object);
if (cosmoO_getRawObject(state, object, key, val, _obj)) {
// *val now equals the response, pop the object
cosmoV_pop(state);
@ -493,10 +493,10 @@ COSMO_API bool cosmoV_getMethod(CState *state, CObj *obj, CValue key, CValue *va
// if the result is callable, wrap it in an method
if (IS_CALLABLE(*val)) {
// push object to stack so the GC can find it
cosmoV_pushObj(state, (CObj*)obj);
cosmoV_pushRef(state, (CObj*)obj);
CObjMethod *method = cosmoO_newMethod(state, *val, obj);
cosmoV_pop(state); // pop the object
*val = cosmoV_newObj(method);
*val = cosmoV_newRef(method);
}
return true;
@ -651,7 +651,7 @@ int cosmoV_execute(CState *state) {
uint16_t index = READUINT();
CObjFunction *func = cosmoV_readFunction(constants[index]);
CObjClosure *closure = cosmoO_newClosure(state, func);
cosmoV_pushObj(state, (CObj*)closure);
cosmoV_pushRef(state, (CObj*)closure);
for (int i = 0; i < closure->upvalueCount; i++) {
uint8_t encoding = READBYTE();
@ -681,7 +681,7 @@ int cosmoV_execute(CState *state) {
uint16_t pairs = READUINT();
StkPtr val;
CObjTable *newObj = cosmoO_newTable(state);
cosmoV_pushObj(state, (CObj*)newObj); // so our GC doesn't free our new table
cosmoV_pushRef(state, (CObj*)newObj); // so our GC doesn't free our new table
for (int i = 0; i < pairs; i++) {
val = cosmoV_getTop(state, i + 1);
@ -693,7 +693,7 @@ int cosmoV_execute(CState *state) {
// once done, pop everything off the stack + push new table
cosmoV_setTop(state, pairs + 1); // + 1 for our table
cosmoV_pushObj(state, (CObj*)newObj);
cosmoV_pushRef(state, (CObj*)newObj);
continue;
}
case OP_INDEX: {
@ -859,7 +859,7 @@ int cosmoV_execute(CState *state) {
if (cosmoO_getIString(state, proto, ISTRING_ITER, &val)) {
cosmoV_pop(state); // pop the object from the stack
cosmoV_pushValue(state, val);
cosmoV_pushObj(state, (CObj*)obj);
cosmoV_pushRef(state, (CObj*)obj);
if (cosmoV_call(state, 1, 1) != COSMOVM_OK) // we expect 1 return value on the stack, the iterable object
return -1;
@ -871,7 +871,7 @@ int cosmoV_execute(CState *state) {
}
// get __next method and place it at the top of the stack
cosmoV_getMethod(state, cosmoV_readRef(*iObj), cosmoV_newObj(state->iStrings[ISTRING_NEXT]), iObj);
cosmoV_getMethod(state, cosmoV_readRef(*iObj), cosmoV_newRef(state->iStrings[ISTRING_NEXT]), iObj);
} else {
cosmoV_error(state, "Expected iterable object! '__iter' not defined!");
return -1;
@ -879,21 +879,21 @@ int cosmoV_execute(CState *state) {
} else if (obj->type == COBJ_TABLE) {
CObjTable *tbl = (CObjTable*)obj;
cosmoV_pushObj(state, (CObj*)state->iStrings[ISTRING_RESERVED]); // key
cosmoV_pushObj(state, (CObj*)tbl); // value
cosmoV_pushRef(state, (CObj*)state->iStrings[ISTRING_RESERVED]); // key
cosmoV_pushRef(state, (CObj*)tbl); // value
cosmoV_pushString(state, "__next"); // key
CObjCFunction *tbl_next = cosmoO_newCFunction(state, _tbl__next);
cosmoV_pushObj(state, (CObj*)tbl_next); // value
cosmoV_pushRef(state, (CObj*)tbl_next); // value
CObjObject *obj = cosmoV_makeObject(state, 2); // pushes the new object to the stack
cosmoO_setUserI(obj, 0); // increment for iterator
// make our CObjMethod for OP_NEXT to call
CObjMethod *method = cosmoO_newMethod(state, cosmoV_newObj(tbl_next), (CObj*)obj);
CObjMethod *method = cosmoO_newMethod(state, cosmoV_newRef(tbl_next), (CObj*)obj);
cosmoV_setTop(state, 2); // pops the object & the tbl
cosmoV_pushObj(state, (CObj*)method); // pushes the method for OP_NEXT
cosmoV_pushRef(state, (CObj*)method); // pushes the method for OP_NEXT
} else {
cosmoV_error(state, "No proto defined! Couldn't get from type %s", cosmoO_typeStr(obj));
return -1;

11
src/cvm.h
View File

@ -47,7 +47,7 @@ COSMO_API bool cosmoV_getMethod(CState *state, CObj *obj, CValue key, CValue *va
// nice to have wrappers
// pushes value to the stack
// pushes raw CValue to the stack
static inline void cosmoV_pushValue(CState *state, CValue val) {
#ifdef SAFE_STACK
ptrdiff_t stackSize = state->top - state->stack;
@ -95,17 +95,18 @@ static inline void cosmoV_pushBoolean(CState *state, bool b) {
cosmoV_pushValue(state, cosmoV_newBoolean(b));
}
static inline void cosmoV_pushObj(CState *state, CObj *obj) {
cosmoV_pushValue(state, cosmoV_newObj(obj));
static inline void cosmoV_pushRef(CState *state, CObj *obj) {
cosmoV_pushValue(state, cosmoV_newRef(obj));
}
// pushes a C Function to the stack
static inline void cosmoV_pushCFunction(CState *state, CosmoCFunction func) {
cosmoV_pushObj(state, (CObj*)cosmoO_newCFunction(state, func));
cosmoV_pushRef(state, (CObj*)cosmoO_newCFunction(state, func));
}
// len is the length of the string without the NULL terminator
static inline void cosmoV_pushLString(CState *state, const char *str, size_t len) {
cosmoV_pushObj(state, (CObj*)cosmoO_copyString(state, str, len));
cosmoV_pushRef(state, (CObj*)cosmoO_copyString(state, str, len));
}
// accepts a null terminated string and copys the buffer to the VM heap

2
src/main.c
View File

@ -26,7 +26,7 @@ int cosmoB_input(CState *state, int nargs, CValue *args) {
char line[1024];
fgets(line, sizeof(line), stdin);
cosmoV_pushObj(state, (CObj*)cosmoO_copyString(state, line, strlen(line)-1)); // -1 for the \n
cosmoV_pushRef(state, (CObj*)cosmoO_copyString(state, line, strlen(line)-1)); // -1 for the \n
return 1; // 1 return value
}