<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/122268>122268</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            The SourceLocation of the decl node related to macro extension is invalid. How to obtain the file and line number information according to the decl node?
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            new issue
      </td>
    </tr>

    <tr>
      <th>Assignees</th>
      <td>
      </td>
    </tr>

    <tr>
      <th>Reporter</th>
      <td>
          yaqianp
      </td>
    </tr>
</table>

<pre>
    example:


`
bool ClangASTVisitor::TraverseDecl(clang::Decl* decl)
{
    if (decl == nullptr) {
        return true;
    }
    if (auto* cxxRecordDecl = llvm::dyn_cast<clang::CXXRecordDecl>(decl);
 IsTemplateCXXRecordUninstantiated(cxxRecordDecl)) {
        return true;
 }
    const std::string& currFilename =
 m_astContext->getSourceManager().getFilename(decl->getEndLoc()).str();

 if (decl->getBeginLoc().isInvalid()) {
     // How to obtain the file and line number information according to the decl node?
   }

}
`
</pre>
<img width="1" height="1" alt="" src="http://email.email.llvm.org/o/eJysVMFu4zYQ_RrqQtigKFmWDjo4UYwG2F66abG3xYgcyywo0iVHWefvC4reOLkUPawggILmvZl5j0NCjGZyiD3bPbDdUMBCZx_6N_jHgLsUo9dvPV5hvlhk1YGJA5Ml2z08zzAh2w1MtmeiS0wxeWTyOBk6L-NW-ZnJ4xIxbIAI1HlGR5HJI8SI-aMWTVfu6o2Uo97UNejNOCJsdC1bJbQWo2iY7FLF_DaCicPoveWPFtx0-Pryl4mGfEi1q8NLgFcMEQdUlslWJUyO5D8Hrtd1zbh_YOLAOefmxJlsU4SzamDVwN1i7YUCkx2_w9ITkJbgOIUFWfUzwPbDp0ywkE-11PX6Byof9HBLza19nXM_-s19VxCJVY8funz89u3OYNXTra3UcK72HF9wvlggfIf-6YyLBI4MEOqk-mPZRP0fKu4SlHeReCSdO4oUjJuYbLhaQjgaiw5mXH0SBz5_h0iP3hFeacOqpwnpq1-Cwt_BwYSByZbJbjsh_WTeFN3AT05_8SqjEjDSjZLbSiXum3PjPOBk3Dtra-KzewVr9HuWj2LzPPLf_A9OnvuRwDhOZ-QnY5GD09wah9wt84iBG3fyYQYy3nFQyULjpkRMjHU-nNfIqmNOn01bR2nIw1novtJd1UGBfbmvmlrua9EU574TgAJKLPUJQXTNvtXYtG19akaUCLowvRRyJ0rRlXLX1M0W9vtGV2O760bV6lKyWuAMxm7TDG19mAoT44J9KaVs2sLCiDauB1hKhz_4GmVSpvMc-kTajMsUWS2siRTvaciQxf7ljDxv3RevsgP-9Fk3D5gGTydDZlDBc7wSupiwJnKTt2H7y80ulmD7_7hg1kOVl80l-L9REZPHVX-6Y24Gvfby3wAAAP__YIeGDQ">