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15 #ifndef LLVM_DEMANGLE_DEMANGLECONFIG_H
16 #define LLVM_DEMANGLE_DEMANGLECONFIG_H
19 #define __has_feature(x) 0
22 #ifndef __has_cpp_attribute
23 #define __has_cpp_attribute(x) 0
26 #ifndef __has_attribute
27 #define __has_attribute(x) 0
31 #define __has_builtin(x) 0
34 #ifndef DEMANGLE_GNUC_PREREQ
35 #if defined(__GNUC__) && defined(__GNUC_MINOR__) && defined(__GNUC_PATCHLEVEL__)
36 #define DEMANGLE_GNUC_PREREQ(maj, min, patch) \
37 ((__GNUC__ << 20) + (__GNUC_MINOR__ << 10) + __GNUC_PATCHLEVEL__ >= \
38 ((maj) << 20) + ((min) << 10) + (patch))
39 #elif defined(__GNUC__) && defined(__GNUC_MINOR__)
40 #define DEMANGLE_GNUC_PREREQ(maj, min, patch) \
41 ((__GNUC__ << 20) + (__GNUC_MINOR__ << 10) >= ((maj) << 20) + ((min) << 10))
43 #define DEMANGLE_GNUC_PREREQ(maj, min, patch) 0
47 #if __has_attribute(used) || DEMANGLE_GNUC_PREREQ(3, 1, 0)
48 #define DEMANGLE_ATTRIBUTE_USED __attribute__((__used__))
50 #define DEMANGLE_ATTRIBUTE_USED
53 #if __has_builtin(__builtin_unreachable) || DEMANGLE_GNUC_PREREQ(4, 5, 0)
54 #define DEMANGLE_UNREACHABLE __builtin_unreachable()
55 #elif defined(_MSC_VER)
56 #define DEMANGLE_UNREACHABLE __assume(false)
58 #define DEMANGLE_UNREACHABLE
61 #if __has_attribute(noinline) || DEMANGLE_GNUC_PREREQ(3, 4, 0)
62 #define DEMANGLE_ATTRIBUTE_NOINLINE __attribute__((noinline))
63 #elif defined(_MSC_VER)
64 #define DEMANGLE_ATTRIBUTE_NOINLINE __declspec(noinline)
66 #define DEMANGLE_ATTRIBUTE_NOINLINE
70 #define DEMANGLE_DUMP_METHOD DEMANGLE_ATTRIBUTE_NOINLINE DEMANGLE_ATTRIBUTE_USED
72 #define DEMANGLE_DUMP_METHOD DEMANGLE_ATTRIBUTE_NOINLINE
75 #if __cplusplus > 201402L && __has_cpp_attribute(fallthrough)
76 #define DEMANGLE_FALLTHROUGH [[fallthrough]]
77 #elif __has_cpp_attribute(gnu::fallthrough)
78 #define DEMANGLE_FALLTHROUGH [[gnu::fallthrough]]
82 #define DEMANGLE_FALLTHROUGH
83 #elif __has_cpp_attribute(clang::fallthrough)
84 #define DEMANGLE_FALLTHROUGH [[clang::fallthrough]]
86 #define DEMANGLE_FALLTHROUGH
89 #define DEMANGLE_NAMESPACE_BEGIN namespace llvm { namespace itanium_demangle {
90 #define DEMANGLE_NAMESPACE_END } }