Add ACPI ASL and SMT2 support

closes #379
closes #378

autoload/smt2.vim

@@ -0,0 +1,34 @@
+if exists('g:polyglot_disabled') && index(g:polyglot_disabled, 'smt2') != -1
+  finish
+endif
+
+" Invokes the solver on current file
+function! smt2#RunSolver()
+    silent !clear
+    execute "!" . g:smt2_solver_command . " " . bufname("%")
+endfunction
+
+" Puts the solver's output in new split (replaces old split)
+function! smt2#RunSolverAndShowResult()
+    let output = system(g:smt2_solver_command . " " . bufname("%") . " 2>&1")
+
+    " Create split (or reuse existent)
+    if exists("s:outputbufnr") && bufwinnr(s:outputbufnr) > 0
+        execute bufwinnr(s:outputbufnr) . 'wincmd w'
+    else
+        silent! vnew
+        let s:outputbufnr=bufnr('%')
+    endif
+
+    " Clear & (re-)fill contents
+    silent! normal! ggdG
+    setlocal filetype=smt2 buftype=nofile nobuflisted noswapfile
+    call append(0, split(output, '\v\n'))
+    normal! gg
+endfunction
+
+" Requests the solver's version
+function! smt2#PrintSolverVersion()
+    silent !clear
+    execute "!" . g:smt2_solver_command . " " . g:smt2_solver_version_switch
+endfunction