Add test for syntax errors

scripts/tests/check_syntax.sh

@@ -0,0 +1,20 @@
+#!/bin/bash
+mydir=$(readlink -f "$0")
+mydir=$(dirname "$mydir")
+fs="$mydir"/../../internal_filesystem/
+cross="$mydir"/../../lvgl_micropython/lib/micropython/mpy-cross/build/mpy-cross
+
+failed=0
+while read file; do
+	"$cross" -march=x64 -o /dev/null  "$file"
+	exitcode="$?"
+	if [ $exitcode -ne 0 ]; then
+		echo "$file got exitcode $exitcode"
+		failed=$(expr $failed \+ 1)
+	fi
+done < <(find "$fs" -iname "*.py")
+
+if [ $failed -ne 0 ]; then
+	echo "ERROR: $failed .py files have syntax errors"
+	exit 1
+fi