- we implemented the hierarchy and sort names declaration in text parser

[helm.git] / helm / software / lambda-delta / common / library.ml

diff --git a/helm/software/lambda-delta/common/library.ml b/helm/software/lambda-delta/common/library.ml
index 8ef875ce780526e34453956adefd1b2d55890cee..75afcc52dfb3b4bf892f23c6ad0f43545fffcbc8 100644 (file)
--- a/helm/software/lambda-delta/common/library.ml
+++ b/helm/software/lambda-delta/common/library.ml
@@ -11,7 +11,9 @@
 
 module F = Filename
 module U = NUri
+module C = Cps
 module H = Hierarchy
+module Y = Entity
 
 (* internal functions *******************************************************)
 
@@ -19,38 +21,105 @@ let base = "xml"
 
 let obj_ext = ".xml"
 
+let root = "ENTITY"
+
 let system = "http://helm.cs.unibo.it/lambda-delta/" ^ base ^ "/ld.dtd"
 
 let path_of_uri uri =
    F.concat base (Str.string_after (U.string_of_uri uri) 3)
 
-let pp_head frm = 
-   Format.fprintf frm "<?xml version=%S encoding=%S?>@,@," "1.0" "UTF-8"
+(* interface functions ******************************************************)
 
-let pp_doctype frm =
-  Format.fprintf frm "<!DOCTYPE ENTRY SYSTEM %S>@,@," system
+type och = string -> unit
 
-let open_entry si g frm =
-   let opts = if si then "si" else "" in
-   let f shp =
-      Format.fprintf frm "<ENTRY hierarchy=%S options=%S>" shp opts
-   in
-   H.string_of_graph f g
+type attr = string * string
 
-let close_entry frm =
-   Format.fprintf frm "</ENTRY>" 
+type pp = och -> int -> unit
 
-(* interface functions ******************************************************)
+let attribute out (name, contents) =
+   if contents <> "" then begin
+      out " "; out name; out "=\""; out contents; out "\""
+   end
+
+let xml out version encoding =
+   out "<?xml";
+      attribute out ("version", version);
+      attribute out ("encoding", encoding);
+   out "?>\n\n"
+
+let doctype out root system =
+   out "<!DOCTYPE "; out root; out " SYSTEM \""; out system; out "\">\n\n"
+
+let tag tag attrs ?contents out indent =
+   let spc = String.make indent ' ' in
+   out spc; out "<"; out tag; List.iter (attribute out) attrs;
+   match contents with
+      | None      -> out "/>\n"
+      | Some cont -> 
+         out ">\n"; cont out (indent + 3); out spc; 
+        out "</"; out tag; out ">\n"
+
+let sort = "Sort"
+
+let lref = "LRef"
+
+let gref = "GRef"
+
+let cast = "Cast"
+
+let appl = "Appl"
 
-let export_entity export_entry si g = function
-   | Some entry ->
-      let _, uri, bind = entry in
-      let path = path_of_uri uri in
-      let _ = Sys.command (Printf.sprintf "mkdir -p %s" (F.dirname path)) in
-      let och = open_out (path ^ obj_ext) in
-      let frm = Format.formatter_of_out_channel och in
-      Format.pp_set_margin frm max_int;
-      Format.fprintf frm "@[<v>%t%t%t%a%t@]@." 
-         pp_head pp_doctype (open_entry si g) export_entry entry close_entry;  
-      close_out och
-   | None     -> ()
+let proj = "Proj"
+
+let abst = "Abst"
+
+let abbr = "Abbr"
+
+let void = "Void"
+
+let position i =
+   "position", string_of_int i
+
+let offset j = 
+   let contents = if j > 0 then string_of_int j else "" in
+   "offset", contents
+
+let uri u =
+   "uri", U.string_of_uri u
+
+let arity n =
+   let contents = if n > 1 then string_of_int n else "" in
+   "arity", contents
+
+let name a =
+   let map f i n r s =
+      let n = if r then n else "^" ^ n in 
+      let spc = if i then "" else " " in
+      f (s ^ n ^ spc)
+   in
+   let f s = "name", s in
+   Y.names f map a ""
+
+let mark a =
+   let err () = "mark", "" in
+   let f i = "mark", string_of_int i in
+   Y.mark err f a
+
+let export_entity pp_term si (a, u, b) =
+   let path = path_of_uri u in
+   let _ = Sys.command (Printf.sprintf "mkdir -p %s" (F.dirname path)) in
+   let och = open_out (path ^ obj_ext) in
+   let out = output_string och in
+   xml out "1.0" "UTF-8"; doctype out root system;
+   let a = Y.Name (U.name_of_uri u, true) :: a in
+   let attrs = [uri u; name a; mark a] in 
+   let contents = match b with
+      | Y.Abst w -> tag "ABST" attrs ~contents:(pp_term w) 
+      | Y.Abbr v -> tag "ABBR" attrs ~contents:(pp_term v)
+      | Y.Void   -> assert false
+   in
+   let opts = if si then "si" else "" in
+   let shp = H.string_of_graph () in
+   let attrs = ["hierarchy", shp; "options", opts] in
+   tag root attrs ~contents out 0;
+   close_out och