type_checkers: builtin

Author: krishpranav

src/type_checkers/builtin.cr

@@ -0,0 +1,40 @@
+# -----------------------------------------------------------------------
+# This file is part of MoonScript
+#
+# MoonSript is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# MoonSript is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with MoonSript.  If not, see <https://www.gnu.org/licenses/>.
+#
+# Copyright (C) 2025 Krisna Pranav, MoonScript Developers
+# -----------------------------------------------------------------------
+
+module MoonScript
+    class TypeChecker
+      EXPOSED_BUILTINS = %w(
+        decodeBoolean decodeNumber decodeString decodeArray decodeField decodeMaybe
+        decodeTime locale normalizeEvent createPortal testContext testRender
+        setLocale navigate compare nothing just err ok inspect)
+  
+      def check(node : Ast::Builtin) : Checkable
+        error! :unkown_builtin do
+          block do
+            text "There is no builtin with the name:"
+            bold node.value
+          end
+  
+          snippet node
+        end unless node.value.in?(EXPOSED_BUILTINS)
+  
+        VOID
+      end
+    end
+  end