150bf637ba
`onwership_returns` works only with pointers, since it models user-defined memory allocation functions. Make semantics more clear and report an error if attribute is attached to wrong function. Closes #99501
91 lines
4.5 KiB
C++
91 lines
4.5 KiB
C++
// RUN: %clang_cc1 %s -ast-print | FileCheck %s
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// RUN: %clang -emit-ast -o %t.ast %s
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// RUN: %clang_cc1 %t.ast -ast-print | FileCheck %s
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// CHECK: void *aa() __attribute__((assume_aligned(64)));
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void *aa() __attribute__((assume_aligned(64)));
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// CHECK: void *aa2() __attribute__((assume_aligned(64, 8)));
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void *aa2() __attribute__((assume_aligned(64, 8)));
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// CHECK: void xla(int a) __attribute__((xray_log_args(1)));
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void xla(int a) __attribute__((xray_log_args(1)));
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// CHECK: void *as2(int, int) __attribute__((alloc_size(1, 2)));
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void *as2(int, int) __attribute__((alloc_size(1, 2)));
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// CHECK: void *as1(void *, int) __attribute__((alloc_size(2)));
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void *as1(void *, int) __attribute__((alloc_size(2)));
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// CHECK: void fmt(int, const char *, ...) __attribute__((format(printf, 2, 3)));
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void fmt(int, const char *, ...) __attribute__((format(printf, 2, 3)));
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// CHECK: char *fmta(int, const char *) __attribute__((format_arg(2)));
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char *fmta(int, const char *) __attribute__((format_arg(2)));
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// CHECK: void nn(int *, int *) __attribute__((nonnull(1, 2)));
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void nn(int *, int *) __attribute__((nonnull(1, 2)));
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// CHECK: int *aa(int i) __attribute__((alloc_align(1)));
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int *aa(int i) __attribute__((alloc_align(1)));
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// CHECK: void ownt(int *, int *) __attribute__((ownership_takes(foo, 1, 2)));
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void ownt(int *, int *) __attribute__((ownership_takes(foo, 1, 2)));
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// CHECK: void ownh(int *, int *) __attribute__((ownership_holds(foo, 1, 2)));
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void ownh(int *, int *) __attribute__((ownership_holds(foo, 1, 2)));
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// CHECK: void *ownr(int) __attribute__((ownership_returns(foo, 1)));
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void *ownr(int) __attribute__((ownership_returns(foo, 1)));
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// CHECK: void awtt(int, int, ...) __attribute__((argument_with_type_tag(foo, 3, 2)));
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void awtt(int, int, ...) __attribute__((argument_with_type_tag(foo, 3, 2)));
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// CHECK: void pwtt(void *, int) __attribute__((pointer_with_type_tag(foo, 1, 2)));
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void pwtt(void *, int) __attribute__((pointer_with_type_tag(foo, 1, 2)));
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class C {
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// CHECK: void xla(int a) __attribute__((xray_log_args(2)));
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void xla(int a) __attribute__((xray_log_args(2)));
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// CHECK: void *as2(int, int) __attribute__((alloc_size(2, 3)));
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void *as2(int, int) __attribute__((alloc_size(2, 3)));
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// CHECK: void *as1(void *, int) __attribute__((alloc_size(3)));
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void *as1(void *, int) __attribute__((alloc_size(3)));
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// CHECK: void fmt(int, const char *, ...) __attribute__((format(printf, 3, 4)));
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void fmt(int, const char *, ...) __attribute__((format(printf, 3, 4)));
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// CHECK: char *fmta(int, const char *) __attribute__((format_arg(3)));
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char *fmta(int, const char *) __attribute__((format_arg(3)));
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// CHECK: void nn(int *, int *) __attribute__((nonnull(2, 3)));
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void nn(int *, int *) __attribute__((nonnull(2, 3)));
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// CHECK: int *aa(int i) __attribute__((alloc_align(2)));
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int *aa(int i) __attribute__((alloc_align(2)));
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// CHECK: void ownt(int *, int *) __attribute__((ownership_takes(foo, 2, 3)));
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void ownt(int *, int *) __attribute__((ownership_takes(foo, 2, 3)));
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// CHECK: void ownh(int *, int *) __attribute__((ownership_holds(foo, 2, 3)));
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void ownh(int *, int *) __attribute__((ownership_holds(foo, 2, 3)));
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// CHECK: void *ownr(int) __attribute__((ownership_returns(foo, 2)));
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void *ownr(int) __attribute__((ownership_returns(foo, 2)));
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// CHECK: void awtt(int, int, ...) __attribute__((argument_with_type_tag(foo, 4, 3)));
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void awtt(int, int, ...) __attribute__((argument_with_type_tag(foo, 4, 3)));
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// CHECK: void pwtt(void *, int) __attribute__((pointer_with_type_tag(foo, 2, 3)));
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void pwtt(void *, int) __attribute__((pointer_with_type_tag(foo, 2, 3)));
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};
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#define ANNOTATE_ATTR __attribute__((annotate("Annotated")))
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ANNOTATE_ATTR int annotated_attr ANNOTATE_ATTR = 0;
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// CHECK: __attribute__((annotate("Annotated"))) int annotated_attr __attribute__((annotate("Annotated"))) = 0;
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// FIXME: We do not print the attribute as written after the type specifier.
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int ANNOTATE_ATTR annotated_attr_fixme = 0;
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// CHECK: __attribute__((annotate("Annotated"))) int annotated_attr_fixme = 0;
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#define NONNULL_ATTR __attribute__((nonnull(1)))
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ANNOTATE_ATTR NONNULL_ATTR void fn_non_null_annotated_attr(int *) __attribute__((annotate("AnnotatedRHS")));
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// CHECK:__attribute__((annotate("Annotated"))) __attribute__((nonnull(1))) void fn_non_null_annotated_attr(int *) __attribute__((annotate("AnnotatedRHS")));
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[[gnu::nonnull(1)]] [[gnu::always_inline]] void cxx11_attr(int*) ANNOTATE_ATTR;
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// CHECK: {{\[\[}}gnu::nonnull(1)]] {{\[\[}}gnu::always_inline]] void cxx11_attr(int *) __attribute__((annotate("Annotated")));
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