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added push wrappers

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CPunch 2020-11-12 17:17:41 -06:00
parent ffe4fc6930
commit 279714f3e0
3 changed files with 51 additions and 17 deletions
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1
src/cbaselib.c
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@ -1,4 +1,5 @@
#include "cbaselib.h"
#include "cvm.h"
#include "cvalue.h"
#include "cobj.h"
#include "cmem.h"

38
src/cvm.c
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@ -243,6 +243,25 @@ static inline bool isFalsey(StkPtr val) {
return val->type == COSMO_TNIL || (val->type == COSMO_TBOOLEAN && !val->val.b);
}
COSMO_API void cosmoV_pushObject(CState *state, int pairs) {
StkPtr key, val;
CObjObject *newObj = cosmoO_newObject(state); // start the table with enough space to hopefully prevent reallocation since that's costly
cosmoV_pushValue(state, cosmoV_newObj(newObj)); // so our GC doesn't free our new object
for (int i = 0; i < pairs; i++) {
val = cosmoV_getTop(state, (i*2) + 1);
key = cosmoV_getTop(state, (i*2) + 2);
// set key/value pair
CValue *newVal = cosmoT_insert(state, &newObj->tbl, *key);
*newVal = *val;
}
// once done, pop everything off the stack + push new object
cosmoV_setTop(state, (pairs * 2) + 1);
cosmoV_pushValue(state, cosmoV_newObj(newObj));
}
#define BINARYOP(typeConst, op) \
StkPtr valA = cosmoV_getTop(state, 1); \
StkPtr valB = cosmoV_getTop(state, 0); \
@ -367,23 +386,8 @@ bool cosmoV_execute(CState *state) {
break;
}
case OP_NEWOBJECT: {
uint8_t entries = READBYTE();
StkPtr key, val;
CObjObject *newObj = cosmoO_newObject(state); // start the table with enough space to hopefully prevent reallocation since that's costly
cosmoV_pushValue(state, cosmoV_newObj(newObj)); // so our GC doesn't free our new object
for (int i = 0; i < entries; i++) {
val = cosmoV_getTop(state, (i*2) + 1);
key = cosmoV_getTop(state, (i*2) + 2);
// set key/value pair
CValue *newVal = cosmoT_insert(state, &newObj->tbl, *key);
*newVal = *val;
}
// once done, pop everything off the stack + push new object
cosmoV_setTop(state, (entries * 2) + 1);
cosmoV_pushValue(state, cosmoV_newObj(newObj));
uint8_t pairs = READBYTE();
cosmoV_pushObject(state, pairs);
break;
}
case OP_GETOBJECT: {

29
src/cvm.h
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@ -1,6 +1,8 @@
#ifndef COSMOVM_H
#define COSMOVM_H
#include <string.h>
#include "cosmo.h"
#include "cstate.h"
@ -12,5 +14,32 @@ typedef enum {
// args = # of pass parameters, nresults = # of expected results
COSMO_API COSMOVMRESULT cosmoV_call(CState *state, int args);
COSMO_API void cosmoV_pushObject(CState *state, int pairs);
// nice to have wrappers
// pushes a cosmo_Number to the stack
static inline void cosmoV_pushNumber(CState *state, cosmo_Number num) {
cosmoV_pushValue(state, cosmoV_newNumber(num));
}
// pushes a boolean to the stack
static inline void cosmoV_pushBoolean(CState *state, bool b) {
cosmoV_pushValue(state, cosmoV_newBoolean(b));
}
// pushes a C Function to the stack
static inline void cosmoV_pushCFunction(CState *state, CosmoCFunction func) {
cosmoV_pushValue(state, cosmoV_newObj(cosmoO_newCFunction(state, func)));
}
static inline void cosmoV_pushLString(CState *state, const char *str, size_t len) {
cosmoV_pushValue(state, cosmoV_newObj(cosmoO_copyString(state, str, len)));
}
// accepts a null terminated string and copys the buffer to the VM heap
static inline void cosmoV_pushString(CState *state, const char *str) {
cosmoV_pushLString(state, str, strlen(str));
}
#endif