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<div class="moz-cite-prefix">On 8/28/2018 12:51 PM, Geoff Levner via
cfe-dev wrote:<br>
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cite="mid:CAHMBa1sFuV=WFsTbkVtmBK7J+EZYxgULa25jkQUJNyprRcQR+g@mail.gmail.com">
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<div>Greetings, clangspeople,</div>
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<div>We are using Clang and LLVM in an application to
compile and execute C++ code on the fly. If the code fails
to compile, I would like to be able to pop up a dialog box
telling the user why. But warnings and error messages go
straight to standard error.</div>
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<div>I have tried passing a raw_string_ostream to
TextDiagnosticPrinter instead of errs(), but that seems to
have no effect. What is that stream actually used for? Am
I doing something wrong? I have attached the code we use
to compile (simplified a bit).</div>
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<br>
The DiagnosticsEngine you pass to the Driver is only used for
diagnostics from the driver itself, not the resulting compilation.<br>
<br>
createDiagnostics() takes a DiagnosticsEngine as a parameter. (If
you don't explicitly pass one, it will create one for you, which
prints diagnostics to stderr.)<br>
<br>
-Eli<br>
<pre class="moz-signature" cols="72">--
Employee of Qualcomm Innovation Center, Inc.
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project</pre>
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