OP_CHECK_CAST.cpp revision cd8f5e701547739f241594b43e9470c92d98e9cf 
1HANDLE_OPCODE(OP_CHECK_CAST /*vAA, class@BBBB*/)
2    {
3        ClassObject* clazz;
4        Object* obj;
5
6        EXPORT_PC();
7
8        vsrc1 = INST_AA(inst);
9        ref = FETCH(1);         /* class to check against */
10        ILOGV("|check-cast v%d,class@0x%04x", vsrc1, ref);
11
12        obj = (Object*)GET_REGISTER(vsrc1);
13        if (obj != NULL) {
14#if defined(WITH_EXTRA_OBJECT_VALIDATION)
15            if (!checkForNull(obj))
16                GOTO_exceptionThrown();
17#endif
18            clazz = dvmDexGetResolvedClass(methodClassDex, ref);
19            if (clazz == NULL) {
20                clazz = dvmResolveClass(curMethod->clazz, ref, false);
21                if (clazz == NULL)
22                    GOTO_exceptionThrown();
23            }
24            if (!dvmInstanceof(obj->clazz, clazz)) {
25                dvmThrowClassCastException(obj->clazz, clazz);
26                GOTO_exceptionThrown();
27            }
28        }
29    }
30    FINISH(2);
31OP_END
32