<html><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:12pt"><div><span>Hi Vassil,</span></div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-style: normal; background-color: transparent;"><span><br></span></div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-style: normal; background-color: transparent;">thanks for the example and the patch!</div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-style: normal; background-color: transparent;"><br></div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica,
Arial, 'Lucida Grande', sans-serif; font-style: normal; background-color: transparent;">I have applied both of them successfully, but somehow, re-ordering the consumers still did not give me the expected results. This means, when I call the plugin it executes correctly, but CodeGen still only uses the original file (without the changes made by the plugin).</div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-style: normal; background-color: transparent;"><br></div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-style: normal; background-color: transparent;">Is there another step which I may have forgotten?</div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif;
font-style: normal; background-color: transparent;"><br></div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-style: normal; background-color: transparent;">Cheers,</div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-style: normal; background-color: transparent;">Bogdan</div> <div class="qtdSeparateBR"><br><br></div><div class="yahoo_quoted" style="display: block;"> <div style="font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-size: 12pt;"> <div style="font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-size: 12pt;"> <div dir="ltr"> <font size="2" face="Arial"> On Sunday, August 10, 2014 12:22 AM, Vassil Vassilev <vvasilev@cern.ch> wrote:<br> </font> </div>
<br><br> <div class="y_msg_container"><div id="yiv0811446855"><div>
<div class="yiv0811446855moz-cite-prefix">Hi Bogdan,<br clear="none">
After applying the attached patch, I can do:<br clear="none">
<br clear="none">
void MyPlugin::Initialize(ASTContext& Context) {<br clear="none">
</div></div><div>
// We need to reorder the consumers in the MultiplexConsumer.<br clear="none">
MultiplexConsumer& multiplex<br clear="none">
=
static_cast<MultiplexConsumer&>(m_CI.getASTConsumer());<br clear="none">
std::vector<ASTConsumer*>& consumers =
multiplex.getConsumers();<br clear="none">
ASTConsumer* lastConsumer = consumers.back();<br clear="none">
consumers.pop_back();<br clear="none">
consumers.insert(consumers.begin(), lastConsumer);<br clear="none">
}<br clear="none">
<br clear="none">
This allows me to hook MyPlugin before clang's codegen.<br clear="none">
<br clear="none">
Vassil<br clear="none">
On 09/08/14 21:24, Bogdan Tabacaru wrote:<br clear="none">
<blockquote type="cite">
</blockquote></div><div class="yiv0811446855yqt7004341515" id="yiv0811446855yqt71669"><div><div style="color: rgb(0, 0, 0); font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-size: 12pt; background-color: rgb(255, 255, 255);">
<div><span>Hi Vassil,</span></div>
<div style="color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-style: normal; background-color: transparent;"><span><br clear="none">
</span></div>
<div style="color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-style: normal; background-color: transparent;"><span>Is the patch available for the 3.4.2
version of LLVM or must I migrate to the "current" version ?</span></div>
<div style="color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-style: normal; background-color: transparent;"><span><br clear="none">
</span></div>
<div style="color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-style: normal; background-color: transparent;"><span>Cheers,</span></div>
<div style="color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-style: normal; background-color: transparent;"><span>Bogdan</span></div>
<div class="yiv0811446855qtdSeparateBR"><br clear="none">
<br clear="none">
</div>
<div class="yiv0811446855yahoo_quoted" style="display: block;">
<div style="font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-size: 12pt;">
<div style="font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-size: 12pt;">
<div dir="ltr"> <font face="Arial" size="2"> On Friday,
August 8, 2014 6:16 PM, Vassil Vassilev
<a rel="nofollow" shape="rect" class="yiv0811446855moz-txt-link-rfc2396E" ymailto="mailto:vvasilev@cern.ch" target="_blank" href="mailto:vvasilev@cern.ch"><vvasilev@cern.ch></a> wrote:<br clear="none">
</font> </div>
<br clear="none">
<br clear="none">
<div class="yiv0811446855y_msg_container">
<div id="yiv0811446855">
<div>
<div class="yiv0811446855moz-cite-prefix">Hi,<br clear="none">
There is a pending patch on cfe-commits about
this "[PATCH] clang/Frontend/MultiplexConsumer.h".
With it you could reorder the ASTConsumers in
clang and get yours before codegen.<br clear="none">
Vassil<br clear="none">
On 08/08/14 16:48, Bogdan Tabacaru wrote:<br clear="none">
</div>
<blockquote type="cite"> </blockquote>
</div>
<div>
<div class="yiv0811446855yqt9700857600" id="yiv0811446855yqt84664">
<div style="color: rgb(0, 0, 0); font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-size: 12pt; background-color: rgb(255, 255, 255);">
<div class="yiv0811446855" style="">Hi everyone,</div>
<div class="yiv0811446855" style=""><br clear="none" class="yiv0811446855" style="">
</div>
<div class="yiv0811446855" style="color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-style: normal; background-color: transparent;">I want to create a plugin that
makes some changes on the parsed AST and that
directly compiles the changes made on the AST.
It is important that I do not generate a new
file with the changes on the AST.</div>
<div class="yiv0811446855" style="color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-style: normal; background-color: transparent;">So, in other words, I want to
change the AST in place, and then compile it
in the same run, using a Clang Plugin.</div>
<div class="yiv0811446855" style="color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-style: normal; background-color: transparent;"><br clear="none" class="yiv0811446855" style="">
</div>
<div class="yiv0811446855" style="color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-style: normal; background-color: transparent;">I am using llvm 3.4.2.</div>
<div class="yiv0811446855" style="color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-style: normal; background-color: transparent;"><br clear="none" class="yiv0811446855" style="">
</div>
<div class="yiv0811446855" style="color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-style: normal; background-color: transparent;"><span class="yiv0811446855" style="font-size:12pt;">By following the
RecursiveASTVisitor example, </span>I have
written a clang plugin which modifies the
parsed AST.</div>
<div class="yiv0811446855" style="color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-style: normal; background-color: transparent;"><br clear="none" class="yiv0811446855" style="">
</div>
<div class="yiv0811446855" style="color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-style: normal; background-color: transparent;">I am using the Rewriter class to
ReplaceText inside the buffer.</div>
<div class="yiv0811446855" style="color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-style: normal; background-color: transparent;"><br clear="none" class="yiv0811446855" style="">
</div>
<div class="yiv0811446855" style="color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-style: normal; background-color: transparent;">I am also using the -add-plugin <span class="yiv0811446855" style="font-size:12pt;">command</span><span class="yiv0811446855" style="font-size:12pt;"> </span><span class="yiv0811446855" style="background-color:transparent;">(instead
the "standard" -plugin command) when calling
the plugin.</span></div>
<div class="yiv0811446855" style="color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-style: normal; background-color: transparent;"><span class="yiv0811446855" style="background-color:transparent;"><br clear="none" class="yiv0811446855" style="">
</span></div>
<div class="yiv0811446855" style="color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-style: normal; background-color: transparent;"><span class="yiv0811446855" style="background-color:transparent;">The
rewriting part works excellently. However,
when I continue the compilation, clang only
compiles the original file, instead of the
original file + changes.</span></div>
<div class="yiv0811446855" style="color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-style: normal; background-color: transparent;"><span class="yiv0811446855" style="background-color:transparent;">Is
there a way to tell clang/llvm to compile
what I have written in the AST (using the
Rewriter) without creating an intermediate
file?</span></div>
<div class="yiv0811446855" style="color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-style: normal; background-color: transparent;"><span class="yiv0811446855" style="background-color:transparent;"><br clear="none" class="yiv0811446855" style="">
</span></div>
<div class="yiv0811446855" style="color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-style: normal; background-color: transparent;"><span class="yiv0811446855" style="background-color:transparent;">Thanks
a lot for your help,</span></div>
<div class="yiv0811446855" style="color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-style: normal; background-color: transparent;"><span class="yiv0811446855" style="background-color:transparent;">Bogdan</span></div>
<div class="yiv0811446855" style="color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-style: normal; background-color: transparent;"><br clear="none" class="yiv0811446855" style="">
</div>
<div class="yiv0811446855" style="color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-style: normal; background-color: transparent;"><br clear="none" class="yiv0811446855" style="">
</div>
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