--- a/src/Pure/Thy/thy_load.ML Tue Mar 18 09:39:07 2014 -0700
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,243 +0,0 @@
-(* Title: Pure/Thy/thy_load.ML
- Author: Makarius
-
-Management of theory sources and auxiliary files.
-*)
-
-signature THY_LOAD =
-sig
- val master_directory: theory -> Path.T
- val imports_of: theory -> (string * Position.T) list
- val thy_path: Path.T -> Path.T
- val check_thy: Path.T -> string ->
- {master: Path.T * SHA1.digest, text: string, theory_pos: Position.T,
- imports: (string * Position.T) list, keywords: Thy_Header.keywords}
- val parse_files: string -> (theory -> Token.file list) parser
- val provide: Path.T * SHA1.digest -> theory -> theory
- val provide_parse_files: string -> (theory -> Token.file list * theory) parser
- val load_file: theory -> Path.T -> (Path.T * SHA1.digest) * string
- val loaded_files: theory -> Path.T list
- val loaded_files_current: theory -> bool
- val begin_theory: Path.T -> Thy_Header.header -> theory list -> theory
- val load_thy: bool -> (Toplevel.transition -> Time.time option) -> int -> Path.T ->
- Thy_Header.header -> Position.T -> string -> theory list -> theory * (unit -> unit) * int
-end;
-
-structure Thy_Load: THY_LOAD =
-struct
-
-(* manage source files *)
-
-type files =
- {master_dir: Path.T, (*master directory of theory source*)
- imports: (string * Position.T) list, (*source specification of imports*)
- provided: (Path.T * SHA1.digest) list}; (*source path, digest*)
-
-fun make_files (master_dir, imports, provided): files =
- {master_dir = master_dir, imports = imports, provided = provided};
-
-structure Files = Theory_Data
-(
- type T = files;
- val empty = make_files (Path.current, [], []);
- fun extend _ = empty;
- fun merge _ = empty;
-);
-
-fun map_files f =
- Files.map (fn {master_dir, imports, provided} =>
- make_files (f (master_dir, imports, provided)));
-
-
-val master_directory = #master_dir o Files.get;
-val imports_of = #imports o Files.get;
-
-fun put_deps master_dir imports = map_files (fn _ => (master_dir, imports, []));
-
-
-(* theory files *)
-
-val thy_path = Path.ext "thy";
-
-fun check_file dir file = File.check_file (File.full_path dir file);
-
-fun check_thy dir thy_name =
- let
- val path = thy_path (Path.basic thy_name);
- val master_file = check_file dir path;
- val text = File.read master_file;
-
- val {name = (name, pos), imports, keywords} =
- Thy_Header.read (Path.position master_file) text;
- val _ = thy_name <> name andalso
- error ("Bad file name " ^ Path.print path ^ " for theory " ^ quote name ^ Position.here pos);
- in
- {master = (master_file, SHA1.digest text), text = text, theory_pos = pos,
- imports = imports, keywords = keywords}
- end;
-
-
-(* load files *)
-
-fun parse_files cmd =
- Scan.ahead Parse.not_eof -- Parse.path >> (fn (tok, name) => fn thy =>
- (case Token.get_files tok of
- [] =>
- let
- val master_dir = master_directory thy;
- val pos = Token.pos_of tok;
- val src_paths = Keyword.command_files cmd (Path.explode name);
- in map (Command.read_file master_dir pos) src_paths end
- | files => map Exn.release files));
-
-fun provide (src_path, id) =
- map_files (fn (master_dir, imports, provided) =>
- if AList.defined (op =) provided src_path then
- error ("Duplicate use of source file: " ^ Path.print src_path)
- else (master_dir, imports, (src_path, id) :: provided));
-
-fun provide_parse_files cmd =
- parse_files cmd >> (fn files => fn thy =>
- let
- val fs = files thy;
- val thy' = fold (fn {src_path, digest, ...} => provide (src_path, digest)) fs thy;
- in (fs, thy') end);
-
-fun load_file thy src_path =
- let
- val full_path = check_file (master_directory thy) src_path;
- val text = File.read full_path;
- val id = SHA1.digest text;
- in ((full_path, id), text) end;
-
-fun loaded_files_current thy =
- #provided (Files.get thy) |>
- forall (fn (src_path, id) =>
- (case try (load_file thy) src_path of
- NONE => false
- | SOME ((_, id'), _) => id = id'));
-
-(*Proof General legacy*)
-fun loaded_files thy =
- let val {master_dir, provided, ...} = Files.get thy
- in map (File.full_path master_dir o #1) provided end;
-
-
-(* load theory *)
-
-fun begin_theory master_dir {name, imports, keywords} parents =
- Theory.begin_theory name parents
- |> put_deps master_dir imports
- |> fold Thy_Header.declare_keyword keywords;
-
-fun excursion master_dir last_timing init elements =
- let
- fun prepare_span span =
- Thy_Syntax.span_content span
- |> Command.read init master_dir []
- |> (fn tr => Toplevel.put_timing (last_timing tr) tr);
-
- fun element_result span_elem (st, _) =
- let
- val elem = Thy_Syntax.map_element prepare_span span_elem;
- val (results, st') = Toplevel.element_result elem st;
- val pos' = Toplevel.pos_of (Thy_Syntax.last_element elem);
- in (results, (st', pos')) end;
-
- val (results, (end_state, end_pos)) =
- fold_map element_result elements (Toplevel.toplevel, Position.none);
-
- val thy = Toplevel.end_theory end_pos end_state;
- in (results, thy) end;
-
-fun load_thy document last_timing update_time master_dir header text_pos text parents =
- let
- val time = ! Toplevel.timing;
-
- val {name = (name, _), ...} = header;
- val _ = Thy_Header.define_keywords header;
-
- val lexs = Keyword.get_lexicons ();
- val toks = Thy_Syntax.parse_tokens lexs text_pos text;
- val spans = Thy_Syntax.parse_spans toks;
- val elements = Thy_Syntax.parse_elements spans;
-
- fun init () =
- begin_theory master_dir header parents
- |> Present.begin_theory update_time
- (fn () => HTML.html_mode (implode o map Thy_Syntax.present_span) spans);
-
- val _ = if time then writeln ("\n**** Starting theory " ^ quote name ^ " ****") else ();
- val (results, thy) =
- cond_timeit time "" (fn () => excursion master_dir last_timing init elements);
- val _ = if time then writeln ("**** Finished theory " ^ quote name ^ " ****\n") else ();
-
- fun present () =
- let
- val res = filter_out (Toplevel.is_ignored o #1) (maps Toplevel.join_results results);
- val ((minor, _), outer_syntax) = Outer_Syntax.get_syntax ();
- in
- if exists (Toplevel.is_skipped_proof o #2) res then
- warning ("Cannot present theory with skipped proofs: " ^ quote name)
- else
- let val tex_source =
- Thy_Output.present_thy minor Keyword.command_tags
- (Outer_Syntax.is_markup outer_syntax) res toks
- |> Buffer.content;
- in if document then Present.theory_output name tex_source else () end
- end;
-
- in (thy, present, size text) end;
-
-
-(* antiquotations *)
-
-local
-
-fun check_path strict ctxt dir (name, pos) =
- let
- val _ = Context_Position.report ctxt pos Markup.language_path;
-
- val path = Path.append dir (Path.explode name)
- handle ERROR msg => error (msg ^ Position.here pos);
-
- val _ = Context_Position.report ctxt pos (Markup.path (Path.smart_implode path));
- val _ =
- if can Path.expand path andalso File.exists path then ()
- else
- let
- val path' = perhaps (try Path.expand) path;
- val msg = "Bad file: " ^ Path.print path' ^ Position.here pos;
- in
- if strict then error msg
- else
- Context_Position.if_visible ctxt Output.report
- (Markup.markup (Markup.bad |> Markup.properties (Position.properties_of pos)) msg)
- end;
- in path end;
-
-fun file_antiq strict ctxt (name, pos) =
- let
- val dir = master_directory (Proof_Context.theory_of ctxt);
- val _ = check_path strict ctxt dir (name, pos);
- in
- space_explode "/" name
- |> map Thy_Output.verb_text
- |> space_implode (Thy_Output.verb_text "/" ^ "\\discretionary{}{}{}")
- end;
-
-in
-
-val _ = Theory.setup
- (Thy_Output.antiquotation (Binding.name "file") (Scan.lift (Parse.position Parse.path))
- (file_antiq true o #context) #>
- Thy_Output.antiquotation (Binding.name "file_unchecked") (Scan.lift (Parse.position Parse.path))
- (file_antiq false o #context) #>
- ML_Antiquotation.value (Binding.name "path")
- (Args.context -- Scan.lift (Parse.position Parse.path) >> (fn (ctxt, arg) =>
- let val path = check_path true ctxt Path.current arg
- in "Path.explode " ^ ML_Syntax.print_string (Path.implode path) end)));
-
-end;
-
-end;