[cfe-dev] ast-dump issue...
Fariborz Jahanian
fjahanian at apple.com
Mon Oct 5 14:44:44 PDT 2009
We haven't kept up with -ast-dump (or -ast-print).
Patches are welcome; or go ahead and file a bug report.
- Fariborz
On Oct 5, 2009, at 2:38 PM, Fons Rademakers wrote:
> Hi,
>
> using clang from the trunk of today, I get when doing:
>
> clang-cc ll.cxx -ast-dump
>
> an assertion failure in DeclPrinter.cpp:
>
> typedef __int128_t __int128_t;
> typedef __uint128_t __uint128_t;
> struct __va_list_tag {
> public:
> struct __va_list_tag;
> unsigned int gp_offset;
> unsigned int fp_offset;
> void *overflow_arg_area;
> void *reg_save_area;
> inline __va_list_tag();
> inline __va_list_tag(struct __va_list_tag const &);
> inline struct __va_list_tag &operator=(struct __va_list_tag const
> &);
> inline ~__va_list_tag();
> };
> typedef struct __va_list_tag __va_list_tag;
> typedef __va_list_tag __builtin_va_list[1];
> typedef signed char __int8_t;
> typedef unsigned char __uint8_t;
> typedef short __int16_t;
> typedef unsigned short __uint16_t;
> typedef int __int32_t;
> typedef unsigned int __uint32_t;
> typedef long long __int64_t;
> typedef unsigned long long __uint64_t;
> typedef long __darwin_intptr_t;
> typedef unsigned int __darwin_natural_t;
> typedef int __darwin_ct_rune_t;
> Assertion failed: (0 && "Unknown declarator!"), function
> GetBaseType, file /Users/rdm/llvm/src/tools/clang/lib/AST/
> DeclPrinter.cpp, line 105.
> 0 clang-cc 0x0000000100ccfee7 PrintStackTrace(void*) + 38
> 1 clang-cc 0x0000000100cd0475 SignalHandler(int) + 336
> 2 libSystem.B.dylib 0x00007fff882480aa _sigtramp + 26
> 3 libSystem.B.dylib 0x00007fff881ecb2a tiny_malloc_from_free_list
> + 1196
> 4 libSystem.B.dylib 0x00007fff882c40b4 __pthread_markcancel + 0
> 5 clang-cc 0x00000001003f888f
> GetBaseType(clang::QualType) + 240
> 6 clang-cc 0x00000001003f8d08 (anonymous
> namespace)::DeclPrinter::VisitDeclContext(clang::DeclContext*, bool)
> + 580
> 7 clang-cc 0x00000001003f9cdd (anonymous
> namespace
> )::DeclPrinter
> ::VisitTranslationUnitDecl(clang::TranslationUnitDecl*) + 63
> 8 clang-cc 0x00000001003f9e24
> clang::DeclVisitor<(anonymous namespace)::DeclPrinter,
> void>::Visit(clang::Decl*) + 324
> 9 clang-cc 0x00000001003f88f9
> clang::Decl::print(llvm::raw_ostream&, clang::PrintingPolicy const&,
> unsigned int) const + 71
> 10 clang-cc 0x0000000100039b6e (anonymous
> namespace)::ASTPrinter::HandleTranslationUnit(clang::ASTContext&) +
> 118
> 11 clang-cc 0x00000001002847e0
> clang::ParseAST(clang::Preprocessor&, clang::ASTConsumer*,
> clang::ASTContext&, bool, bool, clang::CodeCompleteConsumer* (*)
> (clang::Sema&, void*), void*) + 760
> 12 clang-cc 0x000000010002ba21
> ProcessInputFile(clang::Preprocessor&, clang::PreprocessorFactory&,
> std::string const&, ProgActions, llvm::StringMap<bool,
> llvm::MallocAllocator> const&, llvm::LLVMContext&) + 3664
> 13 clang-cc 0x000000010002d137 main + 3269
> 14 clang-cc 0x00000001000270dc start + 52
> Stack dump:
> 0. Program arguments: /Users/rdm/llvm/inst/libexec/clang-cc
> ll.cxx -ast-dump
> 1. <eof> parser at end of file
> Abort trap
>
> Do I miss some specific additional command line options or is this a
> real issue?
>
> The ll.cxx file is attached.
>
> Cheers, Fons.
>
>
> --
> Org: CERN, European Laboratory for Particle Physics.
> Mail: 1211 Geneve 23, Switzerland
> E-Mail: Fons.Rademakers at cern.ch Phone: +41 22 7679248
> WWW: http://fons.rademakers.org Fax: +41 22 7669640
> #include <stdio.h>
>
> int main()
> {
> int err = 0;
> long l;
> long long i, j, k;
>
> k = 7294967295LL;
> i = 9223372036854775807LL;
> j = i;
>
> printf("sizeof(int) = %lu\n", sizeof(err));
>
> return 0;
> }
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