Change the decl searching api while figuring out how to implement

function overloading

core_parsing.cpp

@@ -751,6 +751,7 @@ register_ast_file(Token *pos, String absolute_file_path, Ast_Module *module, B32
     file->decls            = {pctx->heap};
     file->implicit_imports = {pctx->heap};
     file->pos              = pos;
+    file->debug_name       = string_skip_to_last_slash(absolute_file_path);
     file->module->all_loaded_files.add(file);
     file->scope_id = pctx->scope_ids++;
     pctx->files.add(file);
@@ -891,6 +892,10 @@ parse_file(Ast_File *file){
       continue;
     }
 
+    if(!file->pos){
+      file->pos = token_get();
+    }
+
     Ast_Decl *decl = parse_decl(true);
     if(!decl) break;