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Add some basic checks. At this point, I can say it detects correctly a class declared inside inclueded file.

This commit is contained in:
Rafal Kupiec 2018-07-27 17:01:58 +02:00
parent e70a89fcdb
commit af2c23d3b2
Signed by: belliash
GPG Key ID: 4E829243E0CFE6B4
1 changed files with 27 additions and 6 deletions
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33
engine/vm.c
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@ -4515,20 +4515,41 @@ static sxi32 VmByteCodeExec(
*/
case PH7_OP_CLASS_INIT:
{
ph7_class *pClass = (ph7_class *)pInstr->p3;
printf("Called by class: '%s'\n", pClass->sName);
ph7_class *pClassInfo = (ph7_class *)pInstr->p3;
ph7_class *pBase = 0;
ph7_class *pClass;
printf("Called by class: '%s'\n", pClassInfo->sName);
if(pInstr->iP1) {
/* This class inherits from other classes */
SyString *apExtends;
while(SySetGetNextEntry(&pClass->sExtends, (void **)&apExtends) == SXRET_OK) {
printf("Class '%s' inherits from '%s'\n", pClass->sName.zString, apExtends->zString);
while(SySetGetNextEntry(&pClassInfo->sExtends, (void **)&apExtends) == SXRET_OK) {
printf("Class '%s' inherits from '%s'\n", pClassInfo->sName.zString, apExtends->zString);
pBase = PH7_VmExtractClass(pVm, apExtends->zString, apExtends->nByte, FALSE, 0);
if(pBase == 0) {
/* Non-existent base class */
PH7_VmThrowError(pVm, 0, PH7_CTX_ERR, "Call to non-existent base class");
} else if(pBase->iFlags & PH7_CLASS_INTERFACE) {
/* Trying to inherit from interface */
PH7_VmThrowError(pVm, 0, PH7_CTX_ERR, "Class cannot inherit from interface");
} else if(pBase->iFlags & PH7_CLASS_FINAL) {
/* Trying to inherit from final class */
PH7_VmThrowError(pVm, 0, PH7_CTX_ERR, "Class cannot inherit from final class");
}
}
}
if(pInstr->iP2) {
/* This class implements some interfaces */
SyString *apImplements;
while(SySetGetNextEntry(&pClass->sImplements, (void **)&apImplements) == SXRET_OK) {
printf("Class '%s' implements '%s'\n", pClass->sName.zString, apImplements->zString);
while(SySetGetNextEntry(&pClassInfo->sImplements, (void **)&apImplements) == SXRET_OK) {
printf("Class '%s' implements '%s'\n", pClassInfo->sName.zString, apImplements->zString);
pBase = PH7_VmExtractClass(pVm, apImplements->zString, apImplements->nByte, FALSE, 0);
if(pBase == 0) {
/* Non-existent interface */
PH7_VmThrowError(pVm, 0, PH7_CTX_ERR, "Call to non-existent interface");
} else if((pBase->iFlags & PH7_CLASS_INTERFACE) == 0) {
/* Trying to extend a class */
PH7_VmThrowError(pVm, 0, PH7_CTX_ERR, "Interface cannot inherit from a class");
}
}
}
break;