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Implement the implicit 'auto' type.
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An implicitly typed local variable is strongly typed just as if it had been declared the type, but the compiler determines the type. The following two declarations of $i are functionally equivalent:
int $i = 10; // Explicitly typed.
auto $i = 10; // Implicitly typed.
This commit is contained in:
Rafal Kupiec
2019-06-08 12:55:57 +02:00
parent cbe4f29909
commit 78c416c6b8
2 changed files with 18 additions and 12 deletions
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24
engine/vm.c
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@@ -2421,20 +2421,22 @@ static sxi32 VmByteCodeExec(
PH7_VmThrowError(&(*pVm), PH7_CTX_ERR,
"Redeclaration of ‘$%z’ variable", &sName);
}
if(pInstr->iP2 & MEMOBJ_MIXED && (pInstr->iP2 & MEMOBJ_HASHMAP) == 0) {
pObj->nType = MEMOBJ_MIXED | MEMOBJ_VOID;
} else {
if(pInstr->iP2 & MEMOBJ_HASHMAP) {
ph7_hashmap *pMap;
pMap = PH7_NewHashmap(&(*pVm), 0, 0);
if(pMap == 0) {
PH7_VmMemoryError(&(*pVm));
if(pInstr->iP2 != MEMOBJ_NULL) {
if(pInstr->iP2 & MEMOBJ_MIXED && (pInstr->iP2 & MEMOBJ_HASHMAP) == 0) {
pObj->nType = MEMOBJ_MIXED | MEMOBJ_VOID;
} else {
if(pInstr->iP2 & MEMOBJ_HASHMAP) {
ph7_hashmap *pMap;
pMap = PH7_NewHashmap(&(*pVm), 0, 0);
if(pMap == 0) {
PH7_VmMemoryError(&(*pVm));
}
pObj->x.pOther = pMap;
}
pObj->x.pOther = pMap;
MemObjSetType(pObj, pInstr->iP2);
}
MemObjSetType(pObj, pInstr->iP2);
pTos->nIdx = SXU32_HIGH; /* Mark as constant */
}
pTos->nIdx = SXU32_HIGH; /* Mark as constant */
}
break;
}