[cfe-dev] Adding a Node to the AST?

[Larisse Voufo]

By the way, here the exact line (bolded) of the generated DeclNode.inc at
which it is complaining:
-------------------------------------------
DECL_CONTEXT(TranslationUnit)
DECL_CONTEXT(Namespace)
*DECL_CONTEXT(Concept)*
DECL_CONTEXT(ObjCMethod)
DECL_CONTEXT(LinkageSpec)
-------------------------------------------


On Thu, Oct 28, 2010 at 6:46 PM, Larisse Voufo <lvoufo at cs.indiana.edu>wrote:

> Hi Folks,
>
> If anyone can quickly answer this question for me, it'd definitely help  by
> a great deal.
> I am trying to add a node into the AST, but it seems there is at least one
> important parameter I'm overlooking.
>
> I figured out that I was supposed to modify the DeclNodes.td file by
> inserting the following at some appropriate spot:
> ----------------------------------------
> def Concept : DDecl<Named, 1>, DeclContext;
> ----------------------------------------
>
> However, this action is breaking my builds, and I'm not sure how to fix it.
>
> --------------------------------------------------------
> llvm[2]: Compiling ParseConceptDecl.cpp for Debug+Asserts build
> In file included from
> /Users/lvoufo/llvm/tools/clang/lib/Parse/../../include/clang/AST/DeclBase.h:1187,
>                  from
> /Users/lvoufo/llvm/tools/clang/lib/Parse/../../include/clang/AST/Decl.h:18,
>                  from
> /Users/lvoufo/llvm/tools/clang/lib/Parse/../../include/clang/AST/ASTContext.h:21,
>                  from
> /Users/lvoufo/llvm/tools/clang/lib/Parse/../../include/clang/AST/Stmt.h:25,
>                  from
> /Users/lvoufo/llvm/tools/clang/lib/Parse/../../include/clang/AST/Expr.h:18,
>                  from
> /Users/lvoufo/llvm/tools/clang/lib/Parse/../../include/clang/AST/DeclCXX.h:18,
>                  from
> /Users/lvoufo/llvm/tools/clang/lib/Parse/../../include/clang/AST/DeclTemplate.h:17,
>                  from
> /Users/lvoufo/llvm/tools/clang/lib/Parse/../../include/clang/AST/DeclConcept.h:13,
>                  from ParseConceptDecl.cpp:88:
> /Users/lvoufo/llvm/tools/clang/lib/Parse/../../include/clang/AST/DeclNodes.inc:415:
> error: expected ‘,’ or ‘...’ before ‘*’ token
> /Users/lvoufo/llvm/tools/clang/lib/Parse/../../include/clang/AST/DeclNodes.inc:415:
> error: ISO C++ forbids declaration of ‘ConceptDecl’ with no type
> make[2]: ***
> [/Users/lvoufo/llvm/tools/clang/lib/Parse/Debug+Asserts/ParseConceptDecl.o]
> Error 1
> make[1]: *** [Parse/.makeall] Error 2
> make: *** [all] Error 1
> --------------------------------------------------------
>
> What am I missing?
>
> Thanks,
>
> -- Larisse.
>
>
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