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comparison: build/clang-plugin/tests/TestStackClass.cpp
build/clang-plugin/tests/TestStackClass.cpp
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
equal
deleted
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replaced
| -1:000000000000 | 0:da0985d93d2c |
|---|---|
| 1 #define MOZ_STACK_CLASS __attribute__((annotate("moz_stack_class"))) | |
| 2 #include <stddef.h> | |
| 3 | |
| 4 struct MOZ_STACK_CLASS Stack { | |
| 5 int i; | |
| 6 void *operator new(size_t x) { return 0; } | |
| 7 void *operator new(size_t blah, char *buffer) { return buffer; } | |
| 8 }; | |
| 9 | |
| 10 template <class T> | |
| 11 struct MOZ_STACK_CLASS TemplateClass { | |
| 12 T i; | |
| 13 }; | |
| 14 | |
| 15 void gobble(void *) { } | |
| 16 | |
| 17 void misuseStackClass(int len) { | |
| 18 Stack valid; | |
| 19 Stack alsoValid[2]; | |
| 20 static Stack notValid; // expected-error {{variable of type 'Stack' only valid on the stack}} | |
| 21 static Stack alsoNotValid[2]; // expected-error {{variable of type 'Stack [2]' only valid on the stack}} | |
| 22 | |
| 23 gobble(&valid); | |
| 24 gobble(¬Valid); | |
| 25 gobble(&alsoValid[0]); | |
| 26 | |
| 27 gobble(new Stack); // expected-error {{variable of type 'Stack' only valid on the stack}} | |
| 28 gobble(new Stack[10]); // expected-error {{variable of type 'Stack' only valid on the stack}} | |
| 29 gobble(new TemplateClass<int>); // expected-error {{variable of type 'TemplateClass<int>' only valid on the stack}} | |
| 30 gobble(len <= 5 ? &valid : new Stack); // expected-error {{variable of type 'Stack' only valid on the stack}} | |
| 31 | |
| 32 char buffer[sizeof(Stack)]; | |
| 33 gobble(new (buffer) Stack); | |
| 34 } | |
| 35 | |
| 36 Stack notValid; // expected-error {{variable of type 'Stack' only valid on the stack}} | |
| 37 struct RandomClass { | |
| 38 Stack nonstaticMember; // expected-note {{'RandomClass' is a stack class because member 'nonstaticMember' is a stack class 'Stack'}} | |
| 39 static Stack staticMember; // expected-error {{variable of type 'Stack' only valid on the stack}} | |
| 40 }; | |
| 41 struct MOZ_STACK_CLASS RandomStackClass { | |
| 42 Stack nonstaticMember; | |
| 43 static Stack staticMember; // expected-error {{variable of type 'Stack' only valid on the stack}} | |
| 44 }; | |
| 45 | |
| 46 struct BadInherit : Stack {}; // expected-note {{'BadInherit' is a stack class because it inherits from a stack class 'Stack'}} | |
| 47 struct MOZ_STACK_CLASS GoodInherit : Stack {}; | |
| 48 | |
| 49 BadInherit moreInvalid; // expected-error {{variable of type 'BadInherit' only valid on the stack}} | |
| 50 RandomClass evenMoreInvalid; // expected-error {{variable of type 'RandomClass' only valid on the stack}} |
