75 lines
2.3 KiB
C++
75 lines
2.3 KiB
C++
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// RUN: %clang_cc1 -std=c++11 -fms-extensions -fms-compatibility -fsyntax-only -triple=i386-pc-win32 -verify %s
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struct A { int a; };
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#pragma vtordisp(pop) // expected-warning {{#pragma vtordisp(pop, ...) failed: stack empty}}
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#pragma vtordisp(push, 0)
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#pragma vtordisp(push, 1)
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#pragma vtordisp(push, 2)
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struct B : virtual A { int b; };
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#pragma vtordisp(pop)
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#pragma vtordisp(pop)
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#pragma vtordisp(pop)
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#pragma vtordisp(pop) // expected-warning {{#pragma vtordisp(pop, ...) failed: stack empty}}
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#pragma vtordisp(push, 3) // expected-warning {{expected integer between 0 and 2 inclusive in '#pragma vtordisp' - ignored}}
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#pragma vtordisp()
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#define ONE 1
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#pragma vtordisp(push, ONE)
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#define TWO 1
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#pragma vtordisp(push, TWO)
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// Test a reset.
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#pragma vtordisp()
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#pragma vtordisp(pop) // stack should NOT be affected by reset.
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// Now stack contains '1'.
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#pragma vtordisp( // expected-warning {{unknown action for '#pragma vtordisp' - ignored}}
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#pragma vtordisp(asdf) // expected-warning {{unknown action for '#pragma vtordisp' - ignored}}
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#pragma vtordisp(,) // expected-warning {{unknown action for '#pragma vtordisp' - ignored}}
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#pragma vtordisp // expected-warning {{missing '(' after '#pragma vtordisp' - ignoring}}
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#pragma vtordisp(3) // expected-warning {{expected integer between 0 and 2 inclusive in '#pragma vtordisp' - ignored}}
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#pragma vtordisp(), stuff // expected-warning {{extra tokens}}
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struct C {
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#pragma vtordisp()
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struct D : virtual A {
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};
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};
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struct E {
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virtual ~E();
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virtual void f();
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};
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#pragma vtordisp(pop) // After this stack should be empty.
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#pragma vtordisp(pop) // expected-warning {{#pragma vtordisp(pop, ...) failed: stack empty}}
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void g() {
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#pragma vtordisp(push, 2)
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struct F : virtual E {
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virtual ~F();
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virtual void f();
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};
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}
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#pragma vtordisp(pop) // OK because of local vtordisp(2) in g().
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struct G {
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void f() {
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#pragma vtordisp(push, 2) // Method-local pragma - stack will be restored on exit.
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}
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};
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// Stack is restored on exit from G::f(), nothing to pop.
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#pragma vtordisp(pop) // expected-warning {{#pragma vtordisp(pop, ...) failed: stack empty}}
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int g2()
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// FIXME: Our implementation based on token insertion makes it impossible for
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// the pragma to appear everywhere we should support it.
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// #pragma vtordisp()
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{
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return 0;
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}
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