Add syntax folding for cmake

after/ftplugin/cmake.vim

@@ -1,17 +1,5 @@
-" TODO Create fold markers based on cmake syntax, eg.
+" Enable syntax folding, see .vim/after/syntax/cmake.vim
-"
+setlocal foldmethod=syntax
-"   if() <- open
-"   endif() <- close
-"
-"   foreach() <- open
-"   endforeach() <- close
-"
-" and so on for all other begin end style command pairs.
-"
-" Then change the setting.
-"
-"   setlocal foldmethod=syntax
-setlocal foldmethod=indent
 " Set comment string
 setlocal commentstring=#%s
 

after/syntax/cmake.vim

@@ -0,0 +1,6 @@
+" Transparent regions to enable syntax based folding.
+syntax region cmakeIfBlock start='if(.*)' end='endif(.*)' fold transparent keepend
+syntax region cmakeFunctionBlock start='function(.*)' end='endfunction(.*)' fold transparent keepend
+syntax region cmakeMacroBlock start='macro(.*)' end='endmacro(.*)' fold transparent keepend
+syntax region cmakeForeachBlock start='foreach(.*)' end='endforeach(.*)' fold transparent keepend
+syntax region cmakeWhileBlock start='while(.*)' end='endwhile(.*)' fold transparent keepend