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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [codeview] emit source language information for the D programming language"
href="https://bugs.llvm.org/show_bug.cgi?id=33899">33899</a>
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<th>Summary</th>
<td>[codeview] emit source language information for the D programming language
</td>
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<th>Product</th>
<td>new-bugs
</td>
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<th>Version</th>
<td>trunk
</td>
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<th>Hardware</th>
<td>PC
</td>
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<th>OS</th>
<td>Windows NT
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>enhancement
</td>
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<th>Priority</th>
<td>P
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<th>Component</th>
<td>new bugs
</td>
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
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<th>Reporter</th>
<td>r.sagitario@gmx.de
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<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr></table>
<p>
<div>
<pre>When generating CodeView debug information, LLVM emits SourceLanguage::Masm for
any unsupported source language (see AsmPrinter/CodeViewDebug.cpp, function
MapDWLangToCVLang). The Visual Studio debugger falls back to the C++ engine for
this which is ok for many languages. But the D programming language has
debugger support
(<a href="http://rainers.github.io/visuald/visuald/Debugging.html#concord">http://rainers.github.io/visuald/visuald/Debugging.html#concord</a>) that is
loaded by the VS debugger depending on the source language found in the debug
information.
Unfortunately, I haven't been able to draw Microsofts attention to adding a
constant to the respective headers
(<a href="https://github.com/Microsoft/microsoft-pdb/issues/21">https://github.com/Microsoft/microsoft-pdb/issues/21</a>).
Would it still be possible to add a D specific source language identifier to
the CodeView output for dwarf::DW_LANG_D, so that the LLVM based D compiler
could benefit from this integration, too? The reference compiler emits constant
'D' (0x44) as the source language.</pre>
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