Implement C3 class linearization and validate inheritance graphs

2026-10-24 01:16:34 +02:00
parent 323793153c
commit bc5e5f6a8e
4 changed files with 172 additions and 30 deletions
@@ -1043,6 +1043,10 @@ struct ph7_class {
 	SyHash hAttr;         /* Class attributes [i.e: variables and constants] */
 	SyHash hMethod;       /* Class methods */
 	SySet aInterface;     /* Implemented interface container */
+	ph7_class_info *pInfo; /* Declaration used to resolve forward bases */
+	SySet aBase;          /* Direct class bases in extends order */
+	SySet aMro;           /* C3 linearization, including this class first */
+	sxi32 iMroState;      /* 0: unbuilt, 1: building, 2: ready */
 };
 /* Class configuration flags */
 #define PH7_CLASS_FINAL       0x001 /* Class is final [cannot be extended] */
@@ -1766,6 +1770,7 @@ PH7_PRIVATE ph7_class_attr    *PH7_ClassExtractAttribute(ph7_class *pClass, cons
 PH7_PRIVATE sxi32 PH7_ClassInstallAttr(ph7_class *pClass, ph7_class_attr *pAttr);
 PH7_PRIVATE sxi32 PH7_ClassInstallMethod(ph7_class *pClass, ph7_class_method *pMeth);
 PH7_PRIVATE sxi32 PH7_ClassInherit(ph7_vm *pVm, ph7_class *pSub, ph7_class *pBase);
+PH7_PRIVATE sxi32 PH7_ClassBuildMro(ph7_vm *pVm, ph7_class *pClass);
 PH7_PRIVATE sxi32 PH7_ClassInterfaceInherit(ph7_class *pSub, ph7_class *pBase);
 PH7_PRIVATE sxi32 PH7_ClassImplement(ph7_vm *pVm, ph7_class *pMain, ph7_class *pInterface);
 PH7_PRIVATE ph7_class_instance *PH7_NewClassInstance(ph7_vm *pVm, ph7_class *pClass);