47 lines
637 B
C
47 lines
637 B
C
// Special g++ Options: -fhandle-signatures
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// GROUPS passed gb sigptr this
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// Test passing of 'this' pointer through signature pointer.
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extern "C"
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{
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int printf (char *, ...);
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}
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class C;
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int inc_mod_4 (C *);
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class C
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{
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public:
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char * text[4];
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int i;
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int get_i (void) { return i; }
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char * msg (void) { i = inc_mod_4 (this); return text[i]; }
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};
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signature S
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{
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char * msg (void);
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};
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int inc_mod_4 (C * p)
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{
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return (p->get_i () + 1) % 4;
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}
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int main (void)
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{
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C o = { "P", "A", "S", "S", -1 };
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S * p;
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int i;
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p = &o;
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for (i = 0; i < 4; i++)
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printf ("%s", p->msg ());
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printf ("\n");
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return 0;
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}
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