113 lines
1.5 KiB
C
113 lines
1.5 KiB
C
// { dg-do run }
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// { dg-options "-w" }
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// test of rtti of single inheritance and multiple inheritance with
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// virtual inheritance
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// dynamic casting
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#include <typeinfo>
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extern "C" {
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int printf(const char *, ...);
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void exit(int);
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}
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class X {
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public:
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int xi;
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virtual int f() {};
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};
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class Y : public virtual X {
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short ys;
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};
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class Z : public virtual Y {
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int zi;
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};
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Z z;
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Y y;
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Y *yp = &z;
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X *xp = &z;
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Z *zp = &z;
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class A {
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public:
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int Ai;
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virtual int a() {};
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};
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class B {
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public:
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int Bi;
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virtual int g() {};
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};
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class D : public virtual A, private B {
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int Di;
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};
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class E : public virtual D, public B {
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int Ei;
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};
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class F : public E, public virtual D {
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int Fi;
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};
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D d;
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A *ap = &d;
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B *bp = (B *)&d;
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F f;
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F *fp = &f;
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A *aap = &f;
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D *dp = &f;
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E *ep = &f;
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B *bbp = (B *)dp;
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void *vp = zp;
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/*
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void error (int i)
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{
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printf("FAIL\n");
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exit(i);
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}
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*/
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void error (int i)
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{
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exit(i);
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}
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int main ()
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{
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vp = (void *)0;
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vp = dynamic_cast<Y *> (&z);
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if (vp == 0) error(11);
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vp = dynamic_cast<Z *> (yp);
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if (vp == 0) error(11);
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vp = dynamic_cast<X *> (yp);
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if (vp == 0) error(12);
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vp = dynamic_cast<D *> (dp);
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if (vp != (void *)dp) error(21);
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// Ill-formed: dynamic_cast to private or ambiguous base
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// vp = dynamic_cast<B *> (dp);
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// if (vp == (void *)dp) error(21);
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// vp = dynamic_cast<B *> (fp);
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// if (vp == (void *)bbp) error(22);
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vp = dynamic_cast<void *> (aap);
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if (vp != (void *)fp) error(23);
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vp = dynamic_cast<B *> (aap);
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if (vp == (void *)bbp) error(24);
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}
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