| 1 | // RUN: %clang_cc1 -std=c++11 -fms-extensions -fms-compatibility -fsyntax-only -triple=i386-pc-win32 -verify %s |
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| 2 | |
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| 3 | struct A { int a; }; |
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| 4 | |
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| 5 | #pragma vtordisp(pop) // expected-warning {{#pragma vtordisp(pop, ...) failed: stack empty}} |
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| 6 | #pragma vtordisp(push, 0) |
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| 7 | #pragma vtordisp(push, 1) |
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| 8 | #pragma vtordisp(push, 2) |
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| 9 | struct B : virtual A { int b; }; |
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| 10 | #pragma vtordisp(pop) |
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| 11 | #pragma vtordisp(pop) |
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| 12 | #pragma vtordisp(pop) |
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| 13 | #pragma vtordisp(pop) // expected-warning {{#pragma vtordisp(pop, ...) failed: stack empty}} |
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| 14 | |
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| 15 | #pragma vtordisp(push, 3) // expected-warning {{expected integer between 0 and 2 inclusive in '#pragma vtordisp' - ignored}} |
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| 16 | #pragma vtordisp() |
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| 17 | |
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| 18 | #define ONE 1 |
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| 19 | #pragma vtordisp(push, ONE) |
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| 20 | #define TWO 1 |
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| 21 | #pragma vtordisp(push, TWO) |
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| 22 | |
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| 23 | // Test a reset. |
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| 24 | #pragma vtordisp() |
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| 25 | #pragma vtordisp(pop) // stack should NOT be affected by reset. |
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| 26 | // Now stack contains '1'. |
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| 27 | |
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| 28 | #pragma vtordisp( // expected-warning {{unknown action for '#pragma vtordisp' - ignored}} |
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| 29 | #pragma vtordisp(asdf) // expected-warning {{unknown action for '#pragma vtordisp' - ignored}} |
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| 30 | #pragma vtordisp(,) // expected-warning {{unknown action for '#pragma vtordisp' - ignored}} |
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| 31 | #pragma vtordisp // expected-warning {{missing '(' after '#pragma vtordisp' - ignoring}} |
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| 32 | #pragma vtordisp(3) // expected-warning {{expected integer between 0 and 2 inclusive in '#pragma vtordisp' - ignored}} |
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| 33 | #pragma vtordisp(), stuff // expected-warning {{extra tokens}} |
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| 34 | |
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| 35 | struct C { |
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| 36 | #pragma vtordisp() |
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| 37 | struct D : virtual A { |
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| 38 | }; |
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| 39 | }; |
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| 40 | |
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| 41 | struct E { |
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| 42 | virtual ~E(); |
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| 43 | virtual void f(); |
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| 44 | }; |
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| 45 | |
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| 46 | #pragma vtordisp(pop) // After this stack should be empty. |
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| 47 | #pragma vtordisp(pop) // expected-warning {{#pragma vtordisp(pop, ...) failed: stack empty}} |
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| 48 | |
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| 49 | void g() { |
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| 50 | #pragma vtordisp(push, 2) |
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| 51 | struct F : virtual E { |
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| 52 | virtual ~F(); |
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| 53 | virtual void f(); |
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| 54 | }; |
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| 55 | } |
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| 56 | |
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| 57 | #pragma vtordisp(pop) // OK because of local vtordisp(2) in g(). |
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| 58 | |
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| 59 | struct G { |
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| 60 | void f() { |
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| 61 | #pragma vtordisp(push, 2) // Method-local pragma - stack will be restored on exit. |
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| 62 | } |
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| 63 | }; |
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| 64 | |
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| 65 | // Stack is restored on exit from G::f(), nothing to pop. |
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| 66 | #pragma vtordisp(pop) // expected-warning {{#pragma vtordisp(pop, ...) failed: stack empty}} |
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| 67 | |
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| 68 | int g2() |
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| 69 | // FIXME: Our implementation based on token insertion makes it impossible for |
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| 70 | // the pragma to appear everywhere we should support it. |
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| 71 | // #pragma vtordisp() |
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| 72 | { |
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| 73 | return 0; |
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| 74 | } |
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| 75 | |
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