ocaml 3.09 transition

[helm.git] / helm / matita / matitaTypes.ml

diff --git a/helm/matita/matitaTypes.ml b/helm/matita/matitaTypes.ml
index 9ed52f568dfd5dfe48444d45ea1a9566677063fd..8bd32bb23eac45b32f53f8f88f818bc391222f02 100644 (file)
--- a/helm/matita/matitaTypes.ml
+++ b/helm/matita/matitaTypes.ml
@@ -41,9 +41,14 @@ exception Option_error of string * string
 
 exception Unbound_identifier of string
 
+type incomplete_proof = {
+  proof: ProofEngineTypes.proof;
+  stack: Continuationals.Stack.t;
+}
+
 type proof_status =
   | No_proof
-  | Incomplete_proof of ProofEngineTypes.status
+  | Incomplete_proof of incomplete_proof
   | Proof of ProofEngineTypes.proof
   | Intermediate of Cic.metasenv
       (* Status in which the proof could be while it is being processed by the
@@ -57,18 +62,34 @@ type option_value =
 type options = option_value StringMap.t
 let no_options = StringMap.empty
 
+type ast_command = (CicNotationPt.term, GrafiteAst.obj) GrafiteAst.command
+type moo = ast_command list * GrafiteAst.metadata list
+
 type status = {
-  aliases: DisambiguateTypes.environment;   (** disambiguation aliases *)
+  aliases: DisambiguateTypes.environment;
+  multi_aliases: DisambiguateTypes.multiple_environment;
+  moo_content_rev: moo;
   proof_status: proof_status;
   options: options;
   objects: (UriManager.uri * string) list;
-    (** in-scope objects, with their paths *)
+  coercions: UriManager.uri list;
+  notation_ids: CicNotation.notation_id list;
 }
 
+let set_metasenv metasenv status =
+  let proof_status =
+    match status.proof_status with
+    | No_proof -> Intermediate metasenv
+    | Incomplete_proof ({ proof = (uri, _, proof, ty) } as incomplete_proof) ->
+        Incomplete_proof
+          { incomplete_proof with proof = (uri, metasenv, proof, ty) }
+    | Intermediate _ -> Intermediate metasenv 
+    | Proof _ -> assert false
+  in
+  { status with proof_status = proof_status }
+
 let dump_status status = 
   MatitaLog.message "status.aliases:\n";
-  MatitaLog.message
-  (CicTextualParser2.EnvironmentP3.to_string status.aliases ^ "\n");
   MatitaLog.message "status.proof_status:"; 
   MatitaLog.message
     (match status.proof_status with
@@ -90,7 +111,6 @@ let dump_status status =
     (fun (u,_) -> 
       MatitaLog.message (UriManager.string_of_uri u)) status.objects 
   
-
 let get_option status name =
   try
     StringMap.find name status.options
@@ -131,6 +151,47 @@ let set_option status name value =
   else
     { status with options = StringMap.add name value status.options }
 
+let add_moo_content cmds status =
+  let content, metadata = status.moo_content_rev in
+  let content' =
+    List.fold_right
+      (fun cmd acc ->
+(*         prerr_endline ("adding to moo command: " ^ GrafiteAstPp.pp_command cmd); *)
+        match cmd with
+        | GrafiteAst.Interpretation _
+        | GrafiteAst.Default _ ->
+            if List.mem cmd content then acc
+            else cmd :: acc
+        | GrafiteAst.Alias _ -> (* move Alias as the last inserted one *)
+            cmd :: (List.filter ((<>) cmd) acc)
+        | _ -> cmd :: acc)
+      cmds content
+  in
+(*   prerr_endline ("new moo content: " ^ String.concat " " (List.map
+    GrafiteAstPp.pp_command content')); *)
+  { status with moo_content_rev = content', metadata }
+
+let add_moo_metadata new_metadata status =
+  let content, metadata = status.moo_content_rev in
+  let metadata' =
+    List.fold_left
+      (fun acc m ->
+        match m with
+        | GrafiteAst.Dependency buri ->
+            let is_self = (* self dependency *)
+              try
+                get_string_option status "baseuri" = buri
+              with Option_error _ -> false  (* baseuri not yet set *)
+            in
+            if is_self
+              || List.exists (GrafiteAst.eq_metadata m) metadata (* duplicate *)
+            then acc
+            else m :: acc
+        | _ -> m :: acc)
+      metadata new_metadata
+  in
+  { status with moo_content_rev = content, metadata' }
+
   (* subset of MatitaConsole.console methods needed by MatitaInterpreter *)
 class type console =
   object
@@ -184,3 +245,47 @@ class type mathViewer =
       ?reuse:bool -> entry:mathViewer_entry -> UriManager.uri list -> unit
   end
   
+let qualify status name = get_string_option status "baseuri" ^ "/" ^ name
+
+let get_current_proof status =
+  match status.proof_status with
+  | Incomplete_proof { proof = p } -> p
+  | _ -> statement_error "no ongoing proof"
+
+let get_proof_metasenv status =
+  match status.proof_status with
+  | No_proof -> []
+  | Proof (_, metasenv, _, _)
+  | Incomplete_proof { proof = (_, metasenv, _, _) }
+  | Intermediate metasenv ->
+      metasenv
+
+let get_proof_context status goal =
+  match status.proof_status with
+  | Incomplete_proof { proof = (_, metasenv, _, _) } ->
+      let (_, context, _) = CicUtil.lookup_meta goal metasenv in
+      context
+  | _ -> []
+ 
+let get_proof_conclusion status goal =
+  match status.proof_status with
+  | Incomplete_proof { proof = (_, metasenv, _, _) } ->
+      let (_, _, conclusion) = CicUtil.lookup_meta goal metasenv in
+      conclusion
+  | _ -> statement_error "no ongoing proof"
+
+let get_stack status =
+  match status.proof_status with
+  | Incomplete_proof p -> p.stack
+  | Proof _ -> Continuationals.Stack.empty
+  | _ -> assert false
+
+let set_stack stack status =
+  match status.proof_status with
+  | Incomplete_proof p ->
+      { status with proof_status = Incomplete_proof { p with stack = stack } }
+  | Proof _ ->
+      assert (Continuationals.Stack.is_empty stack);
+      status
+  | _ -> assert false
+