fix: dependency extraction for templates

Author: sdkrystian

src/lib/AST/ASTVisitor.cpp

@@ -462,6 +462,9 @@ class ASTVisitor
         Decl* D,
         SymbolID& id)
     {
+        if(TemplateDecl* TD = D->getDescribedTemplate())
+            D = TD;
+
         if(D->isImplicit() ||
             isa<TemplateTemplateParmDecl>(D) ||
             isa<BuiltinTemplateDecl>(D))
@@ -502,6 +505,9 @@ class ASTVisitor
         }
         while((DC = DC->getParent()));
 
+        if(TemplateDecl* TD = Outer->getDescribedTemplate())
+            Outer = TD;
+
         // add the adjusted declaration to the set of dependencies
         if(! isa<NamespaceDecl, TranslationUnitDecl>(Outer))
             dependencies_.insert(Outer);

test-files/old-tests/dependency-propagation.xml

@@ -9,17 +9,26 @@
     </base>
   </struct>
   <namespace name="N" id="rjlMNXAaWNMkQYMTJzRA1DR0DiE=">
-    <alias name="C" id="1aINBgFfB9zQVkEDJdB0DyLWTmQ=">
-      <file path="dependency-propagation.cpp" line="10" class="def"/>
-      <type id="YZjBn7yW7NyL8yCKqswVvbiptNM=" name="N::B&lt;T&gt;"/>
-    </alias>
-    <alias name="B" id="YZjBn7yW7NyL8yCKqswVvbiptNM=">
-      <file path="dependency-propagation.cpp" line="7" class="def"/>
-      <type id="P3wHAbrIf4CGxTZs+lXT5a3t2K0=" name="N::A&lt;T&gt;"/>
-    </alias>
-    <struct name="A" id="P3wHAbrIf4CGxTZs+lXT5a3t2K0=">
-      <file path="dependency-propagation.cpp" line="4" class="def"/>
-    </struct>
+    <template>
+      <tparam name="T" class="type"/>
+      <alias name="C" id="1aINBgFfB9zQVkEDJdB0DyLWTmQ=">
+        <file path="dependency-propagation.cpp" line="10" class="def"/>
+        <type id="YZjBn7yW7NyL8yCKqswVvbiptNM=" name="N::B&lt;T&gt;"/>
+      </alias>
+    </template>
+    <template>
+      <tparam name="T" class="type"/>
+      <alias name="B" id="YZjBn7yW7NyL8yCKqswVvbiptNM=">
+        <file path="dependency-propagation.cpp" line="7" class="def"/>
+        <type id="P3wHAbrIf4CGxTZs+lXT5a3t2K0=" name="N::A&lt;T&gt;"/>
+      </alias>
+    </template>
+    <template>
+      <tparam name="T" class="type"/>
+      <struct name="A" id="P3wHAbrIf4CGxTZs+lXT5a3t2K0=">
+        <file path="dependency-propagation.cpp" line="4" class="def"/>
+      </struct>
+    </template>
   </namespace>
 </namespace>
 </mrdocs>