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<p class="MsoNormal"><span style="font-size:10.0pt;color:#404040">Hello All,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;color:#404040">For a clang tool based on RecursiveASTVisitor, would like to detect the definition of an extern variable.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;color:#404040">For the below code file samples, while traversing the Main.c, can we detect the “var” is defined & initialized in test.c<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;color:#404040"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;color:#404040"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;color:#404040">Below are the file definition<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;color:#404040"><o:p> </o:p></span></p>
<p class="MsoNormal"><u><span style="font-size:10.0pt;font-family:"Courier New";color:#0D0D0D;mso-style-textfill-fill-color:#0D0D0D;mso-style-textfill-fill-alpha:100.0%"><<<<Main.c>>>><o:p></o:p></span></u></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New";color:#0D0D0D;mso-style-textfill-fill-color:#0D0D0D;mso-style-textfill-fill-alpha:100.0%">#include "h1.h"<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New";color:#0D0D0D;mso-style-textfill-fill-color:#0D0D0D;mso-style-textfill-fill-alpha:100.0%">int main()<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New";color:#0D0D0D;mso-style-textfill-fill-color:#0D0D0D;mso-style-textfill-fill-alpha:100.0%">{<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New";color:#0D0D0D;mso-style-textfill-fill-color:#0D0D0D;mso-style-textfill-fill-alpha:100.0%"> var = 10;<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New";color:#0D0D0D;mso-style-textfill-fill-color:#0D0D0D;mso-style-textfill-fill-alpha:100.0%">}<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New";color:#0D0D0D;mso-style-textfill-fill-color:#0D0D0D;mso-style-textfill-fill-alpha:100.0%"><o:p> </o:p></span></p>
<p class="MsoNormal"><u><span style="font-size:10.0pt;font-family:"Courier New";color:#0D0D0D;mso-style-textfill-fill-color:#0D0D0D;mso-style-textfill-fill-alpha:100.0%"><<<<h1.h>>>><o:p></o:p></span></u></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New";color:#0D0D0D;mso-style-textfill-fill-color:#0D0D0D;mso-style-textfill-fill-alpha:100.0%">extern int var;<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New";color:#0D0D0D;mso-style-textfill-fill-color:#0D0D0D;mso-style-textfill-fill-alpha:100.0%"><o:p> </o:p></span></p>
<p class="MsoNormal"><u><span lang="PT-BR" style="font-size:10.0pt;font-family:"Courier New";color:#0D0D0D;mso-style-textfill-fill-color:#0D0D0D;mso-style-textfill-fill-alpha:100.0%"><<<<test.c>>>><o:p></o:p></span></u></p>
<p class="MsoNormal"><span lang="PT-BR" style="font-size:10.0pt;font-family:"Courier New";color:#0D0D0D;mso-style-textfill-fill-color:#0D0D0D;mso-style-textfill-fill-alpha:100.0%">#include "h1.h"<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="PT-BR" style="font-size:10.0pt;font-family:"Courier New";color:#0D0D0D;mso-style-textfill-fill-color:#0D0D0D;mso-style-textfill-fill-alpha:100.0%">int var = 11;<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="PT-BR" style="font-size:10.0pt;font-family:"Segoe UI",sans-serif;color:gray"><o:p> </o:p></span></p>
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