--- a/src/Tools/Code/code_namespace.ML Sun Feb 23 10:33:43 2014 +0100
+++ b/src/Tools/Code/code_namespace.ML Sun Feb 23 10:33:43 2014 +0100
@@ -9,6 +9,7 @@
datatype export = Private | Opaque | Public
val is_public: export -> bool
val not_private: export -> bool
+ val join_exports: export list -> export
type flat_program
val flat_program: Proof.context
@@ -30,8 +31,10 @@
reserved: Name.context, identifiers: Code_Target.identifier_data,
empty_nsp: 'c, namify_module: string -> 'c -> string * 'c,
namify_stmt: Code_Thingol.stmt -> string -> 'c -> string * 'c,
- cyclic_modules: bool, empty_data: 'b, memorize_data: Code_Symbol.T -> 'b -> 'b,
- modify_stmts: (Code_Symbol.T * Code_Thingol.stmt) list -> 'a option list }
+ cyclic_modules: bool,
+ class_transitive: bool, class_relation_public: bool,
+ empty_data: 'b, memorize_data: Code_Symbol.T -> 'b -> 'b,
+ modify_stmts: (Code_Symbol.T * (export * Code_Thingol.stmt)) list -> (export * 'a) option list }
-> Code_Symbol.T list -> Code_Thingol.program
-> { deresolver: string list -> Code_Symbol.T -> string,
hierarchical_program: ('a, 'b) hierarchical_program }
@@ -55,6 +58,94 @@
| not_private Opaque = true
| not_private _ = false;
+fun mark_export Public _ = Public
+ | mark_export _ Public = Public
+ | mark_export Opaque _ = Opaque
+ | mark_export _ Opaque = Opaque
+ | mark_export _ _ = Private;
+
+fun join_exports exports = fold mark_export exports Private;
+
+fun dependent_exports { program = program, class_transitive = class_transitive } =
+ let
+ fun is_datatype_or_class (Code_Symbol.Type_Constructor _) = true
+ | is_datatype_or_class (Code_Symbol.Type_Class _) = true
+ | is_datatype_or_class _ = false;
+ fun is_relevant (Code_Symbol.Class_Relation _) = true
+ | is_relevant sym = is_datatype_or_class sym;
+ val proto_gr = Code_Symbol.Graph.restrict is_relevant program;
+ val gr =
+ proto_gr
+ |> Code_Symbol.Graph.fold
+ (fn (sym, (_, (_, deps))) =>
+ if is_relevant sym
+ then I
+ else
+ Code_Symbol.Graph.new_node (sym, Code_Thingol.NoStmt)
+ #> Code_Symbol.Graph.Keys.fold
+ (fn sym' =>
+ if is_relevant sym'
+ then Code_Symbol.Graph.add_edge (sym, sym')
+ else I) deps) program
+ |> class_transitive ?
+ Code_Symbol.Graph.fold (fn (sym as Code_Symbol.Type_Class _, _) =>
+ fold (curry Code_Symbol.Graph.add_edge sym)
+ ((remove (op =) sym o Code_Symbol.Graph.all_succs proto_gr) [sym]) | _ => I) proto_gr
+ fun deps_of sym =
+ let
+ val succs = Code_Symbol.Graph.Keys.dest o Code_Symbol.Graph.imm_succs gr;
+ val deps1 = succs sym;
+ val deps2 = if class_transitive
+ then []
+ else [] |> fold (union (op =)) (map succs deps1) |> subtract (op =) deps1
+ in (deps1, deps2) end;
+ in
+ { is_datatype_or_class = is_datatype_or_class,
+ deps_of = deps_of }
+ end;
+
+fun mark_exports_aux { program = program, prefix_of = prefix_of, map_export = map_export,
+ is_datatype_or_class = is_datatype_or_class, deps_of = deps_of,
+ class_relation_public = class_relation_public } prefix sym =
+ let
+ val export = (if is_datatype_or_class sym then Opaque else Public);
+ val (dependent_export1, dependent_export2) =
+ case Code_Symbol.Graph.get_node program sym of
+ Code_Thingol.Fun _ => (SOME Opaque, NONE)
+ | Code_Thingol.Classinst _ => (SOME Opaque, NONE)
+ | Code_Thingol.Datatypecons _ => (SOME Public, SOME Opaque)
+ | Code_Thingol.Classparam _ => (SOME Public, SOME Opaque)
+ | Code_Thingol.Classrel _ =>
+ (if class_relation_public
+ then (SOME Public, SOME Opaque)
+ else (SOME Opaque, NONE))
+ | _ => (NONE, NONE);
+ val dependent_exports =
+ case dependent_export1 of
+ SOME export1 => (case dependent_export2 of
+ SOME export2 =>
+ let
+ val (deps1, deps2) = deps_of sym
+ in map (rpair export1) deps1 @ map (rpair export2) deps2 end
+ | NONE => map (rpair export1) (fst (deps_of sym)))
+ | NONE => [];
+ in
+ map_export prefix sym (mark_export export)
+ #> fold (fn (sym, export) => map_export (prefix_of sym) sym (mark_export export))
+ dependent_exports
+ end;
+
+fun mark_exports { program = program, prefix_of = prefix_of, map_export = map_export,
+ class_transitive = class_transitive, class_relation_public = class_relation_public } =
+ let
+ val { is_datatype_or_class, deps_of } =
+ dependent_exports { program = program, class_transitive = class_transitive };
+ in
+ mark_exports_aux { program = program, prefix_of = prefix_of, map_export = map_export,
+ is_datatype_or_class = is_datatype_or_class, deps_of = deps_of,
+ class_relation_public = class_relation_public }
+ end;
+
(** fundamental module name hierarchy **)
@@ -113,13 +204,17 @@
val sym_priority = has_priority identifiers;
(* distribute statements over hierarchy *)
+ val mark_exports = mark_exports { program = program, prefix_of = fst o prep_sym,
+ map_export = fn module_name => fn sym =>
+ Graph.map_node module_name o apfst o Code_Symbol.Graph.map_node sym o apsnd o apfst,
+ class_transitive = false, class_relation_public = false };
fun add_stmt sym stmt =
let
val (module_name, base) = prep_sym sym;
in
Graph.default_node (module_name, (Code_Symbol.Graph.empty, []))
#> (Graph.map_node module_name o apfst)
- (Code_Symbol.Graph.new_node (sym, (base, (Public, stmt))))
+ (Code_Symbol.Graph.new_node (sym, (base, (if null exports then Public else Private, stmt))))
end;
fun add_dep sym sym' =
let
@@ -129,9 +224,11 @@
then (Graph.map_node module_name o apfst) (Code_Symbol.Graph.add_edge (sym, sym'))
else (Graph.map_node module_name o apsnd)
(AList.map_default (op =) (module_name', []) (insert (op =) sym'))
+ #> mark_exports module_name' sym'
end;
val proto_program = build_proto_program
- { empty = Graph.empty, add_stmt = add_stmt, add_dep = add_dep } program;
+ { empty = Graph.empty, add_stmt = add_stmt, add_dep = add_dep } program
+ |> fold (fn sym => mark_exports ((fst o prep_sym) sym) sym) exports;
(* name declarations and statement modifications *)
fun declare sym (base, (_, stmt)) (gr, nsp) =
@@ -200,7 +297,7 @@
let
val some_modules =
sym_base_nodes
- |> map (fn (sym, (base, Module content)) => SOME (base, content) | _ => NONE)
+ |> map (fn (_, (base, Module content)) => SOME (base, content) | _ => NONE)
|> (burrow_options o map o apsnd) f_module;
val some_export_stmts =
sym_base_nodes
@@ -214,7 +311,9 @@
end;
fun hierarchical_program ctxt { module_name, reserved, identifiers, empty_nsp,
- namify_module, namify_stmt, cyclic_modules, empty_data, memorize_data, modify_stmts }
+ namify_module, namify_stmt, cyclic_modules,
+ class_transitive, class_relation_public,
+ empty_data, memorize_data, modify_stmts }
exports program =
let
@@ -242,12 +341,17 @@
o Code_Symbol.lookup identifiers o fst) program;
(* distribute statements over hierarchy *)
+ val mark_exports = mark_exports { program = program, prefix_of = fst o prep_sym,
+ map_export = fn name_fragments => fn sym => fn f =>
+ (map_module name_fragments o apsnd o Code_Symbol.Graph.map_node sym o apsnd)
+ (fn Stmt (export, stmt) => Stmt (f export, stmt)),
+ class_transitive = class_transitive, class_relation_public = class_relation_public };
fun add_stmt sym stmt =
let
val (name_fragments, base) = prep_sym sym;
in
(map_module name_fragments o apsnd)
- (Code_Symbol.Graph.new_node (sym, (base, Stmt (Public, stmt))))
+ (Code_Symbol.Graph.new_node (sym, (base, Stmt (if null exports then Public else Private, stmt))))
end;
fun add_edge_acyclic_error error_msg dep gr =
Code_Symbol.Graph.add_edge_acyclic dep gr
@@ -266,9 +370,13 @@
^ Code_Symbol.quote ctxt sym'
^ " would result in module dependency cycle") dep
else Code_Symbol.Graph.add_edge dep;
- in (map_module name_fragments_common o apsnd) add_edge end;
+ in
+ (map_module name_fragments_common o apsnd) add_edge
+ #> (if is_cross_module then mark_exports name_fragments' sym' else I)
+ end;
val proto_program = build_proto_program
- { empty = empty_program, add_stmt = add_stmt, add_dep = add_dep } program;
+ { empty = empty_program, add_stmt = add_stmt, add_dep = add_dep } program
+ |> fold (fn sym => mark_exports ((fst o prep_sym) sym) sym) exports;
(* name declarations, data and statement modifications *)
fun make_declarations nsps (data, nodes) =
@@ -292,14 +400,9 @@
let
val stmts' = modify_stmts syms_stmts
in stmts' @ replicate (length syms_stmts - length stmts') NONE end;
- fun modify_stmts'' syms_exports_stmts =
- syms_exports_stmts
- |> map (fn (sym, (export, stmt)) => ((sym, stmt), export))
- |> burrow_fst modify_stmts'
- |> map (fn (SOME stmt, export) => SOME (export, stmt) | _ => NONE);
val nodes'' =
nodes'
- |> Code_Symbol.Graph.map_strong_conn (map_module_stmts (make_declarations nsps') modify_stmts'');
+ |> Code_Symbol.Graph.map_strong_conn (map_module_stmts (make_declarations nsps') modify_stmts');
val data' = fold memorize_data stmt_syms data;
in (data', nodes'') end;
val (_, hierarchical_program) = make_declarations empty_nsp proto_program;