mirror of
https://github.com/llvm/llvm-project.git
synced 2025-04-17 08:36:41 +00:00
70 lines
2.5 KiB
C++
70 lines
2.5 KiB
C++
// RUN: %clang_cc1 -std=c++20 -Wunsafe-buffer-usage -fdiagnostics-parseable-fixits -fsafe-buffer-usage-suggestions -DCMD_UNSAFE_ATTR=[[clang::unsafe_buffer_usage]] %s 2>&1 | FileCheck %s
|
|
|
|
|
|
// no need to check fix-its for definition in this test ...
|
|
void foo(int *p) {
|
|
int tmp = p[5];
|
|
}
|
|
|
|
// Will use the macro defined from the command line:
|
|
void foo(int *);
|
|
// CHECK: fix-it:{{.*}}:{[[@LINE-1]]:1-[[@LINE-1]]:1}:"CMD_UNSAFE_ATTR "
|
|
// CHECK: fix-it:{{.*}}:{[[@LINE-2]]:16-[[@LINE-2]]:16}:";\nvoid foo(std::span<int>)"
|
|
|
|
|
|
#undef CMD_UNSAFE_ATTR
|
|
void foo(int *);
|
|
// CHECK: fix-it:{{.*}}:{[[@LINE-1]]:1-[[@LINE-1]]:1}:"{{\[}}{{\[}}clang::unsafe_buffer_usage{{\]}}{{\]}} "
|
|
// CHECK: fix-it:{{.*}}:{[[@LINE-2]]:16-[[@LINE-2]]:16}:";\nvoid foo(std::span<int>)"
|
|
|
|
|
|
#define UNSAFE_ATTR [[clang::unsafe_buffer_usage]]
|
|
|
|
void foo(int *);
|
|
// CHECK: fix-it:{{.*}}:{[[@LINE-1]]:1-[[@LINE-1]]:1}:"UNSAFE_ATTR "
|
|
// CHECK: fix-it:{{.*}}:{[[@LINE-2]]:16-[[@LINE-2]]:16}:";\nvoid foo(std::span<int>)"
|
|
|
|
#undef UNSAFE_ATTR
|
|
|
|
#if __has_cpp_attribute(clang::unsafe_buffer_usage)
|
|
#define UNSAFE_ATTR [[clang::unsafe_buffer_usage]]
|
|
#endif
|
|
|
|
void foo(int *);
|
|
// CHECK: fix-it:{{.*}}:{[[@LINE-1]]:1-[[@LINE-1]]:1}:"UNSAFE_ATTR "
|
|
// CHECK: fix-it:{{.*}}:{[[@LINE-2]]:16-[[@LINE-2]]:16}:";\nvoid foo(std::span<int>)"
|
|
|
|
#undef UNSAFE_ATTR
|
|
|
|
#if __has_cpp_attribute(clang::unsafe_buffer_usage)
|
|
// we don't know how to use this macro
|
|
#define UNSAFE_ATTR(x) [[clang::unsafe_buffer_usage]]
|
|
#endif
|
|
|
|
void foo(int *);
|
|
// CHECK: fix-it:{{.*}}:{[[@LINE-1]]:1-[[@LINE-1]]:1}:"{{\[}}{{\[}}clang::unsafe_buffer_usage{{\]}}{{\]}} "
|
|
// CHECK: fix-it:{{.*}}:{[[@LINE-2]]:16-[[@LINE-2]]:16}:";\nvoid foo(std::span<int>)"
|
|
|
|
#undef UNSAFE_ATTR
|
|
|
|
#define UNSAFE_ATTR_1 [[clang::unsafe_buffer_usage]]
|
|
#define UNSAFE_ATTR_2 [[clang::unsafe_buffer_usage]]
|
|
#define UNSAFE_ATTR_3 [[clang::unsafe_buffer_usage]]
|
|
|
|
// Should use the last defined macro (i.e., UNSAFE_ATTR_3) for
|
|
// `[[clang::unsafe_buffer_usage]]`
|
|
void foo(int *p);
|
|
// CHECK: fix-it:{{.*}}:{[[@LINE-1]]:1-[[@LINE-1]]:1}:"UNSAFE_ATTR_3 "
|
|
// CHECK: fix-it:{{.*}}:{[[@LINE-2]]:17-[[@LINE-2]]:17}:";\nvoid foo(std::span<int> p)"
|
|
|
|
|
|
#define WRONG_ATTR_1 [clang::unsafe_buffer_usage]]
|
|
#define WRONG_ATTR_2 [[clang::unsafe_buffer_usage]
|
|
#define WRONG_ATTR_3 [[clang::unsafe_buffer_usag]]
|
|
|
|
// The last defined macro for
|
|
// `[[clang::unsafe_buffer_usage]]` is still UNSAFE_ATTR_3
|
|
void foo(int *p);
|
|
// CHECK: fix-it:{{.*}}:{[[@LINE-1]]:1-[[@LINE-1]]:1}:"UNSAFE_ATTR_3 "
|
|
// CHECK: fix-it:{{.*}}:{[[@LINE-2]]:17-[[@LINE-2]]:17}:";\nvoid foo(std::span<int> p)"
|