build: Missing CMakeLists.txt for bas

This correctly enables BASIC interpreter in CMake based
build for at least sim:bas board configuration.

Signed-off-by: Daniel Jasinski <jasinskidaniel95szcz@gmail.com>

interpreters/CMakeLists.txt

@@ -18,4 +18,6 @@
 #
 # ##############################################################################
 
+nuttx_add_subdirectory()
+
 nuttx_generate_kconfig(MENUDESC "Interpreters")

interpreters/bas/CMakeLists.txt

@@ -0,0 +1,49 @@
+# ##############################################################################
+# apps/interpreters/bas/CMakeLists.txt
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more contributor
+# license agreements.  See the NOTICE file distributed with this work for
+# additional information regarding copyright ownership.  The ASF licenses this
+# file to you under the Apache License, Version 2.0 (the "License"); you may not
+# use this file except in compliance with the License.  You may obtain a copy of
+# the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+# License for the specific language governing permissions and limitations under
+# the License.
+#
+# ##############################################################################
+
+if(CONFIG_INTERPRETERS_BAS)
+  nuttx_add_application(
+    NAME
+    bas
+    SRCS
+    bas_main.c
+    STACKSIZE
+    ${CONFIG_INTERPRETER_BAS_STACKSIZE}
+    PRIORITY
+    ${CONFIG_INTERPRETER_BAS_PRIORITY})
+
+  set(CSRCS
+      bas_str.c
+      bas_token.c
+      bas_value.c
+      bas_var.c
+      bas.c
+      bas_auto.c
+      bas_fs.c
+      bas_global.c
+      bas_program.c)
+
+  if(CONFIG_INTERPRETER_BAS_VT100)
+    list(APPEND CSRCS bas_vt100.c)
+  endif()
+
+  target_sources(apps PRIVATE ${CSRCS})
+
+endif()