1 files changed, 11 insertions, 0 deletions
diff --git a/boot/parser.yy b/boot/parser.yy
index 68af60e..ab386fe 100644
--- a/boot/parser.yy
+++ b/boot/parser.yy
@@ -100,6 +100,7 @@ along with GCC; see the file COPYING3.  If not see
     NIL "nil"
     CONST "const"
     VAR "var"
+    THREADVAR "threadvar"
     PROCEDURE "proc"
     TYPE "type"
     RECORD "record"
@@ -191,6 +192,16 @@ module_declaration:
 
             $$.insert($$.end(), variables.begin(), variables.end());
         }
+    | "threadvar" variable_declarations
+        {
+            std::vector<boot::variable_declaration *> variables = $2;
+
+            for (boot::variable_declaration *const variable : variables)
+            {
+                variable->is_thread_local = true;
+            }
+            $$.insert($$.end(), variables.begin(), variables.end());
+        }
     | procedure_declaration { $$.emplace_back($1); }
 module_declarations:
     %empty {}