Simplify charset.cpkg a bit

[apps/madmutt.git] / tools / cpkg2c.mll

diff --git a/tools/cpkg2c.mll b/tools/cpkg2c.mll
index 8355199..57e8258 100644 (file)
--- a/tools/cpkg2c.mll
+++ b/tools/cpkg2c.mll
@@ -31,6 +31,14 @@
 
   let put_line = printf "#line %d \"%s\"\n"
 
+  let isspace = function |' '|'\t' -> true | _ -> false
+
+  let strip s =
+    let l = ref 0 and r = ref (String.length s) in
+    while (isspace s.[!l]     && !l < !r) do incr l done;
+    while (isspace s.[!r - 1] && !l < !r) do decr r done;
+    String.sub s !l (!r - !l)
+
 (* @types related {{{ *)
 
   type typedef =
@@ -91,9 +99,9 @@
       | [t]          -> (false, type_find lpos fpos t)
       | _ -> assert false
     in
-    match s with
+    match strip s with
     | "void" -> []
-    | s      -> List.map aux (Str.split (Str.regexp "[ \t]+,[ \t]+") s)
+    | s      -> List.map aux (Str.split (Str.regexp "[ \t]*,[ \t]*") s)
 
   let parse_args lpos fpos s =
     let aux t =
@@ -102,9 +110,9 @@
       | [t; n]          -> ((false, type_find lpos fpos t), n)
       | _ -> assert false
     in
-    match s with
+    match strip s with
     | "void" -> []
-    | s      -> List.map aux (Str.split (Str.regexp "[ \t]+,[ \t]+") s)
+    | s      -> List.map aux (Str.split (Str.regexp "[ \t]*,[ \t]*") s)
 
 (* }}} *)
 (* parsing helpers {{{ *)
@@ -415,7 +423,7 @@ and ext_bodycode buf = parse
     ) 0 fn.args);
     printf "\n#define RAISE(s)  luaL_error(L, (s))\n";
     if fn.rettype = [] then (
-      printf "#define RETURN return luaM_ret_%s_%s(L)\n" pkg.name fn.fname
+      printf "#define RETURN()  return luaM_ret_%s_%s(L)\n" pkg.name fn.fname
     ) else (
       printf "#define RETURN(luaM_x1";
       for i = 2 to retlen do printf ", luaM_x%d" i done;