[LLVMdev] Extracting an AST to Graphviz using Clang

[Joey Gouly]

Hi,

The -j option just says how many processes are started to parallelise the
build.

The default option is to build Debug+Asserts, so unless you add any extra
arguments when you run './configure', you should be fine!

Joey

On 9 June 2012 21:29, Carlos Andrade <carlosviansi at gmail.com> wrote:

> Hi Joey!
>
> Thanks I just replied your message on stack and I was actually looking
> into this right now. Is this the option? I just wanted to confirm:
>
>
>    - make [-j] - The -j specifies the number of jobs (commands) to run
>    simultaneously. This builds both LLVM and Clang for Debug+Asserts mode. The
>    --enabled-optimized configure option is used to specify a Release build.
>
>
> The -j parameter is the right one?
>
> Thank you,
>
> Carlos Andrade
> http://carlosandrade.co
>
>
>
> 2012/6/9 Joey Gouly <joel.gouly at gmail.com>
>
>> 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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>>
>
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