[LLVMdev] Extracting an AST to Graphviz using Clang

[Joey Gouly]

Hi Carlos,

You can just download the source code from
http://llvm.org/releases/download.html#2.9 and then read
http://llvm.org/docs/GettingStarted.html which should tell you how to
compile it.

Joey

On 9 June 2012 21:10, Carlos Andrade <carlosviansi at gmail.com> wrote:

> Hi Alex,
>
> Would you recommend any specific link in respect on how to compile in
> debug mode? I downloaded the Mac OS version on the website so I did not
> compile anything. I am sort of a rookie on bash but I should be able to
> figure my way around this.
>
> Also, is there any particular reason why this functionality is only
> available on debug mode?
>
> Thank you so much for the fast reply, was driving me nuts!
>
> Best,
>
> Carlos Andrade
> http://carlosandrade.co
>
>
>
> 2012/6/9 Alex Rønne Petersen <xtzgzorex at gmail.com>
>
>> Hi Carlos,
>>
>> > I am new to this list, and hope this question is pertinent to this
>> mailing
>> > list.
>>
>> Welcome!
>>
>> > Stmt::viewAST is only available in debug builds on systems with
>> Graphviz or
>> > gv!
>>
>> You need to actually build Clang in debug mode for this particular
>> method to be available, which is very likely why you're seeing this
>> error. I don't think that Clang builds shipped with Xcode (for
>> example) are built in debug mode.
>>
>> Regards,
>> Alex
>>
>> On Sat, Jun 9, 2012 at 8:54 PM, Carlos Andrade <carlosviansi at gmail.com>
>> wrote:
>> > Dears,
>> >
>> > I am new to this list, and hope this question is pertinent to this
>> mailing
>> > list.
>> >
>> > I have been trying to use Clang to extract an AST from my source code,
>> but
>> > without success when attempting to do so with Graphviz.
>> >
>> > I created a thread on Stackoverflow recently in hope any could help me
>> [1],
>> > but the question is actually pretty simple. I keep getting
>> >
>> >
>> > Stmt::viewAST is only available in debug builds on systems with
>> Graphviz or
>> > gv!
>> >
>> > alongside the code that is output despite having graphviz added to the
>> path
>> > and having it installed on my machine. dot works fine from my console,
>> but I
>> > have no 'gv' like it is suggested on the documentation (you can find
>> how I
>> > attempted that and the versions on the stack link better formatted than
>> on
>> > this email).
>> >
>> > The command I am running on my console is:
>> >
>> > ./clang -cc1 -ast-view smd.c
>> >
>> > My graphviz version is 2.28 and my clang version is 2.9 (for a couple of
>> > reasons I need to make it work for this version).
>> >
>> >
>> http://stackoverflow.com/questions/10962845/stmtviewast-is-only-available-in-debug-builds-on-systems-with-graphviz-or-gv
>> >
>> > I also heard xml output was discontinued, but I still see the option
>> from
>> > cc1 to output in such format without any warning message on 2.9
>> (although no
>> > apparent output is given in that case), why is that?
>> >
>> > Thank you,
>> >
>> > Carlos Andrade
>> > http://carlosandrade.co
>> >
>> >
>> > _______________________________________________
>> > LLVM Developers mailing list
>> > LLVMdev at cs.uiuc.edu         http://llvm.cs.uiuc.edu
>> > http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev
>> >
>>
>
>
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