[cfe-dev] accessing clang's AST

Douglas Gregor dgregor at apple.com
Fri Feb 26 19:18:49 PST 2010

The AST dumper does not handle all decl kinds (nor does the AST  
printer, IIRC). It would be helpful if someone were to contribute a  
patch dumping the remaining decl kinds.

Sent from my iPhone

On Feb 26, 2010, at 7:03 PM, Charles Davis <cdavis at mymail.mines.edu>  

> Octav Chipara wrote:
>> Dear Chip,
>> Thanks for the info. Is there an plug-in the exports the AST?
> No. However, it's really not necessary. If you derive a class from
> ASTConsumer (from the AST library), you will be fed each top-level
> declaration from the AST as the parser builds it up (see
> ASTConsumer::HandleTopLevelDecl()). Or, you can traverse the AST all  
> at
> once by implementing the HandleTranslationUnit() method (also in
> ASTConsumer), which receives a translation unit decl from which you  
> can
> get every other node in the AST.
>> I tried
>> the ast-dump, however, it crashes:
>> 0x10490e360 Assertion failed: (0 && "Unexpected decl"), function
>> DumpDeclarator, file StmtDumper.cpp, line 263.
> That's not supposed to happen.
> Can we see the source that caused this? Put it up on pastebin or  
> some such.
> Chip
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