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Store float values in an union.
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Single variable cannot have many values of different types. This also saves some memory, because union allocates memory just for one of its members.
This commit is contained in:
Rafal Kupiec 2018-09-07 12:04:51 +02:00
parent af1d59dab4
commit eb79ed500e
Signed by: belliash
GPG Key ID: 4E829243E0CFE6B4
5 changed files with 41 additions and 41 deletions
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4
engine/api.c
View File

@ -1217,7 +1217,7 @@ double ph7_value_to_double(ph7_value *pValue) {
if(rc != PH7_OK) {
return (double)0;
}
return (double)pValue->rVal;
return (double)pValue->x.rVal;
}
/*
* [CAPIREF: ph7_value_to_string()]
@ -1792,7 +1792,7 @@ int ph7_value_null(ph7_value *pVal) {
int ph7_value_double(ph7_value *pVal, double Value) {
/* Invalidate any prior representation */
PH7_MemObjRelease(pVal);
pVal->rVal = (ph7_real)Value;
pVal->x.rVal = (ph7_real)Value;
MemObjSetType(pVal, MEMOBJ_REAL);
return PH7_OK;
}

8
engine/hashmap.c
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@ -4668,7 +4668,7 @@ static void DoubleSum(ph7_context *pCtx, ph7_hashmap *pMap) {
pObj = HashmapExtractNodeValue(pEntry);
if(pObj && (pObj->iFlags & (MEMOBJ_NULL | MEMOBJ_HASHMAP | MEMOBJ_OBJ | MEMOBJ_RES)) == 0) {
if(pObj->iFlags & MEMOBJ_REAL) {
dSum += pObj->rVal;
dSum += pObj->x.rVal;
} else if(pObj->iFlags & (MEMOBJ_INT | MEMOBJ_BOOL)) {
dSum += (double)pObj->x.iVal;
} else if(pObj->iFlags & MEMOBJ_STRING) {
@ -4695,7 +4695,7 @@ static void Int64Sum(ph7_context *pCtx, ph7_hashmap *pMap) {
pObj = HashmapExtractNodeValue(pEntry);
if(pObj && (pObj->iFlags & (MEMOBJ_NULL | MEMOBJ_HASHMAP | MEMOBJ_OBJ | MEMOBJ_RES)) == 0) {
if(pObj->iFlags & MEMOBJ_REAL) {
nSum += (sxi64)pObj->rVal;
nSum += (sxi64)pObj->x.rVal;
} else if(pObj->iFlags & (MEMOBJ_INT | MEMOBJ_BOOL)) {
nSum += pObj->x.iVal;
} else if(pObj->iFlags & MEMOBJ_STRING) {
@ -4769,7 +4769,7 @@ static void DoubleProd(ph7_context *pCtx, ph7_hashmap *pMap) {
pObj = HashmapExtractNodeValue(pEntry);
if(pObj && (pObj->iFlags & (MEMOBJ_NULL | MEMOBJ_HASHMAP | MEMOBJ_OBJ | MEMOBJ_RES)) == 0) {
if(pObj->iFlags & MEMOBJ_REAL) {
dProd *= pObj->rVal;
dProd *= pObj->x.rVal;
} else if(pObj->iFlags & (MEMOBJ_INT | MEMOBJ_BOOL)) {
dProd *= (double)pObj->x.iVal;
} else if(pObj->iFlags & MEMOBJ_STRING) {
@ -4797,7 +4797,7 @@ static void Int64Prod(ph7_context *pCtx, ph7_hashmap *pMap) {
pObj = HashmapExtractNodeValue(pEntry);
if(pObj && (pObj->iFlags & (MEMOBJ_NULL | MEMOBJ_HASHMAP | MEMOBJ_OBJ | MEMOBJ_RES)) == 0) {
if(pObj->iFlags & MEMOBJ_REAL) {
nProd *= (sxi64)pObj->rVal;
nProd *= (sxi64)pObj->x.rVal;
} else if(pObj->iFlags & (MEMOBJ_INT | MEMOBJ_BOOL)) {
nProd *= pObj->x.iVal;
} else if(pObj->iFlags & MEMOBJ_STRING) {

26
engine/memobj.c
View File

@ -39,7 +39,7 @@ static sxi64 MemObjRealToInt(ph7_value *pObj) {
*/
static const sxi64 maxInt = LARGEST_INT64;
static const sxi64 minInt = SMALLEST_INT64;
ph7_real r = pObj->rVal;
ph7_real r = pObj->x.rVal;
if(r < (ph7_real)minInt) {
return minInt;
} else if(r > (ph7_real)maxInt) {
@ -178,7 +178,7 @@ static ph7_real MemObjRealValue(ph7_value *pObj) {
sxi32 iFlags;
iFlags = pObj->iFlags;
if(iFlags & MEMOBJ_REAL) {
return pObj->rVal;
return pObj->x.rVal;
} else if(iFlags & (MEMOBJ_INT | MEMOBJ_BOOL)) {
return (ph7_real)pObj->x.iVal;
} else if(iFlags & MEMOBJ_STRING) {
@ -208,7 +208,7 @@ static ph7_real MemObjRealValue(ph7_value *pObj) {
"__toFloat", sizeof("__toFloat") - 1, &sResult);
if(rc == SXRET_OK && (sResult.iFlags & MEMOBJ_REAL)) {
/* Extract method return value */
rVal = sResult.rVal;
rVal = sResult.x.rVal;
}
PH7_ClassInstanceUnref((ph7_class_instance *)pObj->x.pOther);
PH7_MemObjRelease(&sResult);
@ -225,7 +225,7 @@ static ph7_real MemObjRealValue(ph7_value *pObj) {
*/
static sxi32 MemObjStringValue(SyBlob *pOut, ph7_value *pObj, sxu8 bStrictBool) {
if(pObj->iFlags & MEMOBJ_REAL) {
SyBlobFormat(&(*pOut), "%.15g", pObj->rVal);
SyBlobFormat(&(*pOut), "%.15g", pObj->x.rVal);
} else if(pObj->iFlags & MEMOBJ_INT) {
SyBlobFormat(&(*pOut), "%qd", pObj->x.iVal);
/* %qd (BSD quad) is equivalent to %lld in the libc printf */
@ -277,7 +277,7 @@ static sxi32 MemObjBooleanValue(ph7_value *pObj) {
sxi32 iFlags;
iFlags = pObj->iFlags;
if(iFlags & MEMOBJ_REAL) {
return pObj->rVal != 0.0 ? 1 : 0;
return pObj->x.rVal != 0.0 ? 1 : 0;
} else if(iFlags & MEMOBJ_INT) {
return pObj->x.iVal ? 1 : 0;
} else if(iFlags & MEMOBJ_STRING) {
@ -349,7 +349,7 @@ PH7_PRIVATE sxi32 PH7_MemObjToInteger(ph7_value *pObj) {
PH7_PRIVATE sxi32 PH7_MemObjToReal(ph7_value *pObj) {
if((pObj->iFlags & MEMOBJ_REAL) == 0) {
/* Preform the conversion */
pObj->rVal = MemObjRealValue(&(*pObj));
pObj->x.rVal = MemObjRealValue(&(*pObj));
/* Invalidate any prior representations */
SyBlobRelease(&pObj->sBlob);
MemObjSetType(pObj, MEMOBJ_REAL);
@ -554,7 +554,7 @@ PH7_PRIVATE sxi32 PH7_MemObjIsEmpty(ph7_value *pObj) {
} else if(pObj->iFlags & MEMOBJ_INT) {
return pObj->x.iVal == 0 ? TRUE : FALSE;
} else if(pObj->iFlags & MEMOBJ_REAL) {
return pObj->rVal == (ph7_real)0 ? TRUE : FALSE;
return pObj->x.rVal == (ph7_real)0 ? TRUE : FALSE;
} else if(pObj->iFlags & MEMOBJ_BOOL) {
return !pObj->x.iVal;
} else if(pObj->iFlags & MEMOBJ_STRING) {
@ -681,7 +681,7 @@ PH7_PRIVATE sxi32 PH7_MemObjInitFromReal(ph7_vm *pVm, ph7_value *pObj, ph7_real
pObj->pVm = pVm;
SyBlobInit(&pObj->sBlob, &pVm->sAllocator);
/* Set the desired type */
pObj->rVal = rVal;
pObj->x.rVal = rVal;
pObj->iFlags = MEMOBJ_REAL;
return SXRET_OK;
}
@ -987,11 +987,11 @@ Numeric:
if((pObj1->iFlags & MEMOBJ_REAL) == 0) {
PH7_MemObjToReal(pObj1);
}
r1 = pObj1->rVal;
r1 = pObj1->x.rVal;
if((pObj2->iFlags & MEMOBJ_REAL) == 0) {
PH7_MemObjToReal(pObj2);
}
r2 = pObj2->rVal;
r2 = pObj2->x.rVal;
if(r1 > r2) {
return 1;
} else if(r1 < r2) {
@ -1037,9 +1037,9 @@ PH7_PRIVATE sxi32 PH7_MemObjAdd(ph7_value *pObj1, ph7_value *pObj2, int bAddStor
if((pObj2->iFlags & MEMOBJ_REAL) == 0) {
PH7_MemObjToReal(pObj2);
}
a = pObj1->rVal;
b = pObj2->rVal;
pObj1->rVal = a + b;
a = pObj1->x.rVal;
b = pObj2->x.rVal;
pObj1->x.rVal = a + b;
MemObjSetType(pObj1, MEMOBJ_REAL);
} else {
/* Integer arithmetic */

42
engine/vm.c
View File

@ -2850,7 +2850,7 @@ static sxi32 VmByteCodeExec(
/* Force a numeric cast */
PH7_MemObjToNumeric(pObj);
if(pObj->iFlags & MEMOBJ_REAL) {
pObj->rVal++;
pObj->x.rVal++;
} else {
pObj->x.iVal++;
MemObjSetType(pTos, MEMOBJ_INT);
@ -2866,7 +2866,7 @@ static sxi32 VmByteCodeExec(
PH7_MemObjToNumeric(pTos);
/* Pre-increment */
if(pTos->iFlags & MEMOBJ_REAL) {
pTos->rVal++;
pTos->x.rVal++;
} else {
pTos->x.iVal++;
MemObjSetType(pTos, MEMOBJ_INT);
@ -2897,7 +2897,7 @@ static sxi32 VmByteCodeExec(
/* Force a numeric cast */
PH7_MemObjToNumeric(pObj);
if(pObj->iFlags & MEMOBJ_REAL) {
pObj->rVal--;
pObj->x.rVal--;
} else {
pObj->x.iVal--;
MemObjSetType(pTos, MEMOBJ_INT);
@ -2911,7 +2911,7 @@ static sxi32 VmByteCodeExec(
if(pInstr->iP1) {
/* Pre-decrement */
if(pTos->iFlags & MEMOBJ_REAL) {
pTos->rVal--;
pTos->x.rVal--;
} else {
pTos->x.iVal--;
MemObjSetType(pTos, MEMOBJ_INT);
@ -2934,7 +2934,7 @@ static sxi32 VmByteCodeExec(
/* Force a numeric (integer,real or both) cast */
PH7_MemObjToNumeric(pTos);
if(pTos->iFlags & MEMOBJ_REAL) {
pTos->rVal = -pTos->rVal;
pTos->x.rVal = -pTos->x.rVal;
}
if(pTos->iFlags & MEMOBJ_INT) {
pTos->x.iVal = -pTos->x.iVal;
@ -2954,7 +2954,7 @@ static sxi32 VmByteCodeExec(
/* Force a numeric (integer,real or both) cast */
PH7_MemObjToNumeric(pTos);
if(pTos->iFlags & MEMOBJ_REAL) {
pTos->rVal = +pTos->rVal;
pTos->x.rVal = +pTos->x.rVal;
}
if(pTos->iFlags & MEMOBJ_INT) {
pTos->x.iVal = +pTos->x.iVal;
@ -3023,11 +3023,11 @@ static sxi32 VmByteCodeExec(
if((pNos->iFlags & MEMOBJ_REAL) == 0) {
PH7_MemObjToReal(pNos);
}
a = pNos->rVal;
b = pTos->rVal;
a = pNos->x.rVal;
b = pTos->x.rVal;
r = a * b;
/* Push the result */
pNos->rVal = r;
pNos->x.rVal = r;
MemObjSetType(pNos, MEMOBJ_REAL);
} else {
/* Integer arithmetic */
@ -3153,11 +3153,11 @@ static sxi32 VmByteCodeExec(
if((pNos->iFlags & MEMOBJ_REAL) == 0) {
PH7_MemObjToReal(pNos);
}
a = pNos->rVal;
b = pTos->rVal;
a = pNos->x.rVal;
b = pTos->x.rVal;
r = a - b;
/* Push the result */
pNos->rVal = r;
pNos->x.rVal = r;
MemObjSetType(pNos, MEMOBJ_REAL);
} else {
/* Integer arithmetic */
@ -3195,11 +3195,11 @@ static sxi32 VmByteCodeExec(
if((pNos->iFlags & MEMOBJ_REAL) == 0) {
PH7_MemObjToReal(pNos);
}
a = pTos->rVal;
b = pNos->rVal;
a = pTos->x.rVal;
b = pNos->x.rVal;
r = a - b;
/* Push the result */
pNos->rVal = r;
pNos->x.rVal = r;
MemObjSetType(pNos, MEMOBJ_REAL);
} else {
/* Integer arithmetic */
@ -3329,8 +3329,8 @@ static sxi32 VmByteCodeExec(
PH7_MemObjToReal(pNos);
}
/* Perform the requested operation */
a = pNos->rVal;
b = pTos->rVal;
a = pNos->x.rVal;
b = pTos->x.rVal;
if(b == 0) {
/* Division by zero */
r = 0;
@ -3339,7 +3339,7 @@ static sxi32 VmByteCodeExec(
} else {
r = a / b;
/* Push the result */
pNos->rVal = r;
pNos->x.rVal = r;
MemObjSetType(pNos, MEMOBJ_REAL);
}
VmPopOperand(&pTos, 1);
@ -3370,8 +3370,8 @@ static sxi32 VmByteCodeExec(
PH7_MemObjToReal(pNos);
}
/* Perform the requested operation */
a = pTos->rVal;
b = pNos->rVal;
a = pTos->x.rVal;
b = pNos->x.rVal;
if(b == 0) {
/* Division by zero */
r = 0;
@ -3380,7 +3380,7 @@ static sxi32 VmByteCodeExec(
} else {
r = a / b;
/* Push the result */
pNos->rVal = r;
pNos->x.rVal = r;
MemObjSetType(pNos, MEMOBJ_REAL);
}
if(pTos->nIdx == SXU32_HIGH) {

2
include/ph7int.h
View File

@ -619,9 +619,9 @@ struct SHA1Context {
* of the same value.
*/
struct ph7_value {
ph7_real rVal; /* Real value */
union {
sxi64 iVal; /* Integer value */
ph7_real rVal; /* Real value */
void *pOther; /* Other values (Object, Array, Resource, Namespace, etc.) */
} x;
sxi32 iFlags; /* Control flags (see below) */