geanygendoc: Fix crash if trying to document an unknown type

geanygendoc/data/filetypes/c.conf

@@ -43,6 +43,9 @@ doctypes = {
     enumval.policy          = FORWARD;
     # usually, locals are just not documented and get in the way
     local.policy            = FORWARD;
+    # usually nothing useful to document
+    include.policy          = PASS;
+    other.policy            = PASS;
 
     function = {
       template = "/**\n * {symbol}:\n{for arg in argument_list} * @{arg}: {cursor}\n{end} * \n * {cursor}\n{if returns} * \n * Returns: \n{end}{if write_since}{if returns} * \n{end} * Since: \n{end} */\n";
@@ -77,6 +80,9 @@ doctypes = {
   doxygen = {
     # usually, locals are just not documented and get in the way
     local.policy = FORWARD;
+    # usually nothing useful to document
+    include.policy  = PASS;
+    other.policy    = PASS;
 
     function.template = "/**\n * {doxygen_prefix}brief {cursor}\n{for a in argument_list} * {doxygen_prefix}param {a} \n{end}{if returns} * {doxygen_prefix}returns \n{end}{if write_since} * {doxygen_prefix}since \n{end} * \n * \n */\n";
     macro.template    = "/**\n * {doxygen_prefix}brief {cursor}\n{for a in argument_list} * {doxygen_prefix}param {a} \n{end}{if returns} * {doxygen_prefix}returns \n{end}{if write_since} * {doxygen_prefix}since \n{end} * \n * \n */\n";

geanygendoc/docs/manual.rst

@@ -346,6 +346,8 @@ Known types
   A field (of a class for example).
 ``function``
   A function.
+``include``
+  An include directive.
 ``interface``
   An interface.
 ``local``
@@ -356,6 +358,8 @@ Known types
   A method.
 ``namespace``
   A namespace.
+``other``
+  A non-specific type that highly depend on the language.
 ``package``
   A package.
 ``prototype``

geanygendoc/src/ggd-doc-type.c

@@ -128,9 +128,12 @@ ggd_doc_type_get_setting (const GgdDocType *doctype,
 {
   GgdDocSetting  *setting = NULL;
   GList          *tmp;
-  gssize          match_len = strlen (match);
+  gssize          match_len;
 
   g_return_val_if_fail (doctype != NULL, NULL);
+  g_return_val_if_fail (match != NULL, NULL);
+
+  match_len = (gssize) strlen (match);
 
   for (tmp = doctype->settings; tmp && ! setting; tmp = g_list_next (tmp)) {
     if (ggd_doc_setting_matches (tmp->data, match, match_len)) {
@@ -177,6 +180,7 @@ ggd_doc_type_resolve_setting (const GgdDocType  *doctype,
   gchar         *child_match = NULL;
 
   g_return_val_if_fail (doctype != NULL, NULL);
+  g_return_val_if_fail (match != NULL, NULL);
 
   /*g_debug ("Resolving match \"%s\"...", child_match);*/
   if (nth_child) (*nth_child) = 0;

geanygendoc/src/ggd-tag-utils.c

@@ -252,22 +252,24 @@ static const struct {
   { tm_tag_class_t,           "class"     },
   { tm_tag_enum_t,            "enum"      },
   { tm_tag_enumerator_t,      "enumval"   },
+  { tm_tag_externvar_t,       "extern"    },
   { tm_tag_field_t,           "field"     },
   { tm_tag_function_t,        "function"  },
   { tm_tag_interface_t,       "interface" },
+  { tm_tag_include_t,         "include"   },
   { tm_tag_local_var_t,       "local"     },
+  { tm_tag_macro_t,           "define"    },
+  { tm_tag_macro_with_arg_t,  "macro"     },
   { tm_tag_member_t,          "member"    },
   { tm_tag_method_t,          "method"    },
   { tm_tag_namespace_t,       "namespace" },
+  { tm_tag_other_t,           "other"     },
   { tm_tag_package_t,         "package"   },
   { tm_tag_prototype_t,       "prototype" },
   { tm_tag_struct_t,          "struct"    },
   { tm_tag_typedef_t,         "typedef"   },
   { tm_tag_union_t,           "union"     },
-  { tm_tag_variable_t,        "variable"  },
-  { tm_tag_externvar_t,       "extern"    },
-  { tm_tag_macro_t,           "define"    },
-  { tm_tag_macro_with_arg_t,  "macro"     }
+  { tm_tag_variable_t,        "variable"  }
 };
 
 /**

geanygendoc/src/ggd.c

@@ -383,22 +383,25 @@ get_setting_from_tag (GgdDocType     *doctype,
                       const TMTag    *tag,
                       const TMTag   **real_tag)
 {
-  GgdDocSetting  *setting;
+  GgdDocSetting  *setting = NULL;
   gchar          *hierarchy;
-  gint            nth_child;
   GPtrArray      *tag_array = doc->tm_file->tags_array;
   GeanyFiletypeID geany_ft = FILETYPE_ID (doc->file_type);
 
   hierarchy = ggd_tag_resolve_type_hierarchy (tag_array, geany_ft, tag);
   /*g_debug ("type hierarchy for tag %s is: %s", tag->name, hierarchy);*/
-  setting = ggd_doc_type_resolve_setting (doctype, hierarchy, &nth_child);
   *real_tag = tag;
-  if (setting) {
-    for (; nth_child > 0; nth_child--) {
-      *real_tag = ggd_tag_find_parent (tag_array, geany_ft, *real_tag);
+  if (hierarchy) {
+    gint  nth_child;
+
+    setting = ggd_doc_type_resolve_setting (doctype, hierarchy, &nth_child);
+    if (setting) {
+      for (; nth_child > 0; nth_child--) {
+        *real_tag = ggd_tag_find_parent (tag_array, geany_ft, *real_tag);
+      }
     }
+    g_free (hierarchy);
   }
-  g_free (hierarchy);
 
   return setting;
 }