author | wenzelm |
Wed, 22 Aug 2012 12:17:55 +0200 | |
changeset 48880 | 03232f0bb5c4 |
parent 48878 | 5e850e6fa3c3 |
child 48881 | 46e053eda5dd |
permissions | -rw-r--r-- |
6168 | 1 |
(* Title: Pure/Thy/thy_load.ML |
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Author: Makarius |
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|
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Loading files that contribute to a theory. Global master path. |
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*) |
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||
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signature THY_LOAD = |
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sig |
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val master_directory: theory -> Path.T |
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val imports_of: theory -> string list |
41955
703ea96b13c6
files are identified via SHA1 digests -- discontinued ISABELLE_FILE_IDENT;
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val provide: Path.T * (Path.T * SHA1.digest) -> theory -> theory |
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6e45dc518ebb
replaced File.check by specific File.check_file, File.check_dir;
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val check_file: Path.T -> Path.T -> Path.T |
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val thy_path: Path.T -> Path.T |
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val check_thy: Thy_Header.keywords -> Path.T -> string -> |
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{master: Path.T * SHA1.digest, text: string, imports: string list, |
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uses: (Path.T * bool) list, keywords: Thy_Header.keywords} |
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val load_file: theory -> Path.T -> (Path.T * SHA1.digest) * string |
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val use_file: Path.T -> theory -> string * theory |
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val loaded_files: theory -> Path.T list |
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val all_current: theory -> bool |
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val use_ml: Path.T -> unit |
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val exec_ml: Path.T -> generic_theory -> generic_theory |
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val begin_theory: Path.T -> Thy_Header.header -> theory list -> theory |
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val load_thy: int -> Path.T -> Thy_Header.header -> Position.T -> string -> |
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theory list -> theory * unit future |
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val resolve_files: Path.T -> Thy_Syntax.span -> Thy_Syntax.span |
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val parse_files: string -> (theory -> Token.files) parser |
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val set_master_path: Path.T -> unit |
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val get_master_path: unit -> Path.T |
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end; |
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structure Thy_Load: THY_LOAD = |
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struct |
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||
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(* manage source files *) |
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type files = |
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{master_dir: Path.T, (*master directory of theory source*) |
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imports: string list, (*source specification of imports*) |
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required: Path.T list, (*source path*) |
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files are identified via SHA1 digests -- discontinued ISABELLE_FILE_IDENT;
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provided: (Path.T * (Path.T * SHA1.digest)) list}; (*source path, physical path, digest*) |
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|
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fun make_files (master_dir, imports, required, provided): files = |
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{master_dir = master_dir, imports = imports, required = required, provided = provided}; |
37949
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|
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structure Files = Theory_Data |
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( |
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type T = files; |
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val empty = make_files (Path.current, [], [], []); |
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fun extend _ = empty; |
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fun merge _ = empty; |
48a874444164
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parents:
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); |
48a874444164
moved management of auxiliary theory source files to Thy_Load -- as theory data instead of accidental loader state;
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|
48a874444164
moved management of auxiliary theory source files to Thy_Load -- as theory data instead of accidental loader state;
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parents:
37943
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fun map_files f = |
41548
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Thy_Load.begin_theory: maintain source specification of imports;
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Files.map (fn {master_dir, imports, required, provided} => |
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parents:
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make_files (f (master_dir, imports, required, provided))); |
37949
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parents:
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|
48a874444164
moved management of auxiliary theory source files to Thy_Load -- as theory data instead of accidental loader state;
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parents:
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|
48a874444164
moved management of auxiliary theory source files to Thy_Load -- as theory data instead of accidental loader state;
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val master_directory = #master_dir o Files.get; |
41548
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val imports_of = #imports o Files.get; |
37949
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|
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fun put_deps dir imports = map_files (fn _ => (dir, imports, [], [])); |
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fun require src_path = |
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map_files (fn (master_dir, imports, required, provided) => |
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if member (op =) required src_path then |
41944
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Path.print is the official way to show file-system paths to users -- note that Path.implode often indicates violation of the abstract datatype;
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error ("Duplicate source file dependency: " ^ Path.print src_path) |
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else (master_dir, imports, src_path :: required, provided)); |
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|
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fun provide (src_path, path_id) = |
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map_files (fn (master_dir, imports, required, provided) => |
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if AList.defined (op =) provided src_path then |
41944
b97091ae583a
Path.print is the official way to show file-system paths to users -- note that Path.implode often indicates violation of the abstract datatype;
wenzelm
parents:
41886
diff
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error ("Duplicate resolution of source file dependency: " ^ Path.print src_path) |
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else (master_dir, imports, required, (src_path, path_id) :: provided)); |
37949
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parents:
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(* inlined files *) |
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fun check_file dir file = File.check_file (File.full_path dir file); |
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local |
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|
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fun clean ((i1, t1) :: (i2, t2) :: toks) = |
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if Token.keyword_with (fn s => s = "%" orelse s = "--") t1 then clean toks |
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else (i1, t1) :: clean ((i2, t2) :: toks) |
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| clean toks = toks; |
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|
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fun clean_tokens toks = |
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((0 upto length toks - 1) ~~ toks) |
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|> filter (fn (_, tok) => Token.is_proper tok) |
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|> clean; |
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|
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fun find_file toks = |
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rev (clean_tokens toks) |> get_first (fn (i, tok) => |
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if Token.is_name tok then SOME (i, Path.explode (Token.content_of tok)) |
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else NONE); |
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|
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fun command_files path exts = |
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if null exts then [path] |
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else map (fn ext => Path.ext ext path) exts; |
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101 |
|
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102 |
in |
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103 |
|
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fun find_files syntax text = |
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let val thy_load_commands = Keyword.thy_load_commands syntax in |
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106 |
if exists (fn (cmd, _) => String.isSubstring cmd text) thy_load_commands then |
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107 |
Thy_Syntax.parse_tokens (Keyword.lexicons_of syntax) Position.none text |
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|> Thy_Syntax.parse_spans |
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109 |
|> maps |
48878 | 110 |
(fn Thy_Syntax.Span (Thy_Syntax.Command (cmd, _), toks) => |
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(case AList.lookup (op =) thy_load_commands cmd of |
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SOME exts => |
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(case find_file toks of |
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SOME (_, path) => command_files path exts |
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| NONE => []) |
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| NONE => []) |
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| _ => []) |
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else [] |
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119 |
end; |
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|
48880 | 121 |
fun read_files cmd dir path = |
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let |
123 |
val files = |
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command_files path (Keyword.command_files cmd) |
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|> map (check_file dir #> (fn p => (File.read p, Path.position p))); |
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in (dir, files) end; |
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fun parse_files cmd = |
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Scan.ahead Parse.not_eof -- Parse.path >> (fn (tok, path) => fn thy => |
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(case Token.get_files tok of |
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SOME files => files |
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| NONE => |
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(warning ("Dynamic loading of files: " ^ Path.print path ^ Token.pos_of tok); |
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read_files cmd (master_directory thy) path))); |
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136 |
fun resolve_files dir span = |
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137 |
(case span of |
48878 | 138 |
Thy_Syntax.Span (Thy_Syntax.Command (cmd, pos), toks) => |
48869 | 139 |
if Keyword.is_theory_load cmd then |
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(case find_file toks of |
141 |
NONE => error ("Bad file argument of command " ^ quote cmd ^ Position.str_of pos) |
|
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refined Thy_Load.check_thy: find more uses in body text, based on keywords;
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142 |
| SOME (i, path) => |
48869 | 143 |
let |
144 |
val toks' = toks |> map_index (fn (j, tok) => |
|
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|
145 |
if i = j then Token.put_files (read_files cmd dir path) tok |
48869 | 146 |
else tok); |
48878 | 147 |
in Thy_Syntax.Span (Thy_Syntax.Command (cmd, pos), toks') end) |
48869 | 148 |
else span |
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149 |
| span => span); |
48869 | 150 |
|
151 |
end; |
|
152 |
||
153 |
||
23872 | 154 |
(* check files *) |
6232 | 155 |
|
46737 | 156 |
val thy_path = Path.ext "thy"; |
157 |
||
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|
158 |
fun check_thy base_keywords dir thy_name = |
23872 | 159 |
let |
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|
160 |
val path = thy_path (Path.basic thy_name); |
46737 | 161 |
val master_file = check_file dir path; |
42003
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replaced File.check by specific File.check_file, File.check_dir;
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|
162 |
val text = File.read master_file; |
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|
163 |
|
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|
164 |
val {name, imports, uses, keywords} = Thy_Header.read (Path.position master_file) text; |
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165 |
val _ = thy_name <> name andalso |
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|
166 |
error ("Bad file name " ^ Path.print path ^ " for theory " ^ quote name); |
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more standard Thy_Load.check_thy for Pure.thy, relying on its header;
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|
167 |
|
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|
168 |
val syntax = |
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|
169 |
fold (Keyword.define_keywords o apsnd (Option.map Keyword.spec)) |
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|
170 |
(keywords @ base_keywords) (Keyword.get_keywords ()); |
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|
171 |
val more_uses = map (rpair false) (find_files syntax text); |
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|
172 |
in |
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|
173 |
{master = (master_file, SHA1.digest text), text = text, |
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|
174 |
imports = imports, uses = uses @ more_uses, keywords = keywords} |
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|
175 |
end; |
6168 | 176 |
|
37949
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|
177 |
|
43702
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|
178 |
(* load files *) |
24fb44c1086a
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|
179 |
|
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more abstract Thy_Load.load_file/use_file for external theory resources;
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|
180 |
fun load_file thy src_path = |
24fb44c1086a
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|
181 |
let |
24fb44c1086a
more abstract Thy_Load.load_file/use_file for external theory resources;
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|
182 |
val full_path = check_file (master_directory thy) src_path; |
24fb44c1086a
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|
183 |
val text = File.read full_path; |
24fb44c1086a
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|
184 |
val id = SHA1.digest text; |
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|
185 |
in ((full_path, id), text) end; |
24fb44c1086a
more abstract Thy_Load.load_file/use_file for external theory resources;
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changeset
|
186 |
|
24fb44c1086a
more abstract Thy_Load.load_file/use_file for external theory resources;
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|
187 |
fun use_file src_path thy = |
24fb44c1086a
more abstract Thy_Load.load_file/use_file for external theory resources;
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|
188 |
let |
24fb44c1086a
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|
189 |
val (path_id, text) = load_file thy src_path; |
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|
190 |
val thy' = provide (src_path, path_id) thy; |
24fb44c1086a
more abstract Thy_Load.load_file/use_file for external theory resources;
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changeset
|
191 |
in (text, thy') end; |
37949
48a874444164
moved management of auxiliary theory source files to Thy_Load -- as theory data instead of accidental loader state;
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parents:
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changeset
|
192 |
|
48a874444164
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changeset
|
193 |
val loaded_files = map (#1 o #2) o #provided o Files.get; |
6168 | 194 |
|
37949
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|
195 |
fun check_loaded thy = |
48a874444164
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|
196 |
let |
48a874444164
moved management of auxiliary theory source files to Thy_Load -- as theory data instead of accidental loader state;
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|
197 |
val {required, provided, ...} = Files.get thy; |
48a874444164
moved management of auxiliary theory source files to Thy_Load -- as theory data instead of accidental loader state;
wenzelm
parents:
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diff
changeset
|
198 |
val provided_paths = map #1 provided; |
48a874444164
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parents:
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diff
changeset
|
199 |
val _ = |
48a874444164
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parents:
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diff
changeset
|
200 |
(case subtract (op =) provided_paths required of |
48a874444164
moved management of auxiliary theory source files to Thy_Load -- as theory data instead of accidental loader state;
wenzelm
parents:
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diff
changeset
|
201 |
[] => NONE |
41944
b97091ae583a
Path.print is the official way to show file-system paths to users -- note that Path.implode often indicates violation of the abstract datatype;
wenzelm
parents:
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diff
changeset
|
202 |
| bad => error ("Pending source file dependencies: " ^ commas (map Path.print (rev bad)))); |
37949
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wenzelm
parents:
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diff
changeset
|
203 |
val _ = |
48a874444164
moved management of auxiliary theory source files to Thy_Load -- as theory data instead of accidental loader state;
wenzelm
parents:
37943
diff
changeset
|
204 |
(case subtract (op =) required provided_paths of |
48a874444164
moved management of auxiliary theory source files to Thy_Load -- as theory data instead of accidental loader state;
wenzelm
parents:
37943
diff
changeset
|
205 |
[] => NONE |
41944
b97091ae583a
Path.print is the official way to show file-system paths to users -- note that Path.implode often indicates violation of the abstract datatype;
wenzelm
parents:
41886
diff
changeset
|
206 |
| bad => error ("Undeclared source file dependencies: " ^ commas (map Path.print (rev bad)))); |
37949
48a874444164
moved management of auxiliary theory source files to Thy_Load -- as theory data instead of accidental loader state;
wenzelm
parents:
37943
diff
changeset
|
207 |
in () end; |
48a874444164
moved management of auxiliary theory source files to Thy_Load -- as theory data instead of accidental loader state;
wenzelm
parents:
37943
diff
changeset
|
208 |
|
48a874444164
moved management of auxiliary theory source files to Thy_Load -- as theory data instead of accidental loader state;
wenzelm
parents:
37943
diff
changeset
|
209 |
fun all_current thy = |
37939
965537d86fcc
discontinued special treatment of ML files -- no longer complete extensions on demand;
wenzelm
parents:
37938
diff
changeset
|
210 |
let |
43702
24fb44c1086a
more abstract Thy_Load.load_file/use_file for external theory resources;
wenzelm
parents:
43700
diff
changeset
|
211 |
val {provided, ...} = Files.get thy; |
37978
548f3f165d05
simplified Thy_Header.read -- include Source.of_string_limited here;
wenzelm
parents:
37977
diff
changeset
|
212 |
fun current (src_path, (_, id)) = |
43702
24fb44c1086a
more abstract Thy_Load.load_file/use_file for external theory resources;
wenzelm
parents:
43700
diff
changeset
|
213 |
(case try (load_file thy) src_path of |
37949
48a874444164
moved management of auxiliary theory source files to Thy_Load -- as theory data instead of accidental loader state;
wenzelm
parents:
37943
diff
changeset
|
214 |
NONE => false |
43702
24fb44c1086a
more abstract Thy_Load.load_file/use_file for external theory resources;
wenzelm
parents:
43700
diff
changeset
|
215 |
| SOME ((_, id'), _) => id = id'); |
37949
48a874444164
moved management of auxiliary theory source files to Thy_Load -- as theory data instead of accidental loader state;
wenzelm
parents:
37943
diff
changeset
|
216 |
in can check_loaded thy andalso forall current provided end; |
48a874444164
moved management of auxiliary theory source files to Thy_Load -- as theory data instead of accidental loader state;
wenzelm
parents:
37943
diff
changeset
|
217 |
|
37952 | 218 |
val _ = Context.>> (Context.map_theory (Theory.at_end (fn thy => (check_loaded thy; NONE)))); |
219 |
||
37949
48a874444164
moved management of auxiliary theory source files to Thy_Load -- as theory data instead of accidental loader state;
wenzelm
parents:
37943
diff
changeset
|
220 |
|
48a874444164
moved management of auxiliary theory source files to Thy_Load -- as theory data instead of accidental loader state;
wenzelm
parents:
37943
diff
changeset
|
221 |
(* provide files *) |
48a874444164
moved management of auxiliary theory source files to Thy_Load -- as theory data instead of accidental loader state;
wenzelm
parents:
37943
diff
changeset
|
222 |
|
43700
e4ece46a9ca7
clarified Thy_Load.digest_file -- read ML files only once;
wenzelm
parents:
42003
diff
changeset
|
223 |
fun eval_file path text = ML_Context.eval_text true (Path.position path) text; |
37949
48a874444164
moved management of auxiliary theory source files to Thy_Load -- as theory data instead of accidental loader state;
wenzelm
parents:
37943
diff
changeset
|
224 |
|
48a874444164
moved management of auxiliary theory source files to Thy_Load -- as theory data instead of accidental loader state;
wenzelm
parents:
37943
diff
changeset
|
225 |
fun use_ml src_path = |
48a874444164
moved management of auxiliary theory source files to Thy_Load -- as theory data instead of accidental loader state;
wenzelm
parents:
37943
diff
changeset
|
226 |
if is_none (Context.thread_data ()) then |
43700
e4ece46a9ca7
clarified Thy_Load.digest_file -- read ML files only once;
wenzelm
parents:
42003
diff
changeset
|
227 |
let val path = check_file Path.current src_path |
e4ece46a9ca7
clarified Thy_Load.digest_file -- read ML files only once;
wenzelm
parents:
42003
diff
changeset
|
228 |
in eval_file path (File.read path) end |
37949
48a874444164
moved management of auxiliary theory source files to Thy_Load -- as theory data instead of accidental loader state;
wenzelm
parents:
37943
diff
changeset
|
229 |
else |
48a874444164
moved management of auxiliary theory source files to Thy_Load -- as theory data instead of accidental loader state;
wenzelm
parents:
37943
diff
changeset
|
230 |
let |
48a874444164
moved management of auxiliary theory source files to Thy_Load -- as theory data instead of accidental loader state;
wenzelm
parents:
37943
diff
changeset
|
231 |
val thy = ML_Context.the_global_context (); |
48a874444164
moved management of auxiliary theory source files to Thy_Load -- as theory data instead of accidental loader state;
wenzelm
parents:
37943
diff
changeset
|
232 |
|
43702
24fb44c1086a
more abstract Thy_Load.load_file/use_file for external theory resources;
wenzelm
parents:
43700
diff
changeset
|
233 |
val ((path, id), text) = load_file thy src_path; |
43700
e4ece46a9ca7
clarified Thy_Load.digest_file -- read ML files only once;
wenzelm
parents:
42003
diff
changeset
|
234 |
val _ = eval_file path text; |
37949
48a874444164
moved management of auxiliary theory source files to Thy_Load -- as theory data instead of accidental loader state;
wenzelm
parents:
37943
diff
changeset
|
235 |
val _ = Context.>> Local_Theory.propagate_ml_env; |
48a874444164
moved management of auxiliary theory source files to Thy_Load -- as theory data instead of accidental loader state;
wenzelm
parents:
37943
diff
changeset
|
236 |
|
37978
548f3f165d05
simplified Thy_Header.read -- include Source.of_string_limited here;
wenzelm
parents:
37977
diff
changeset
|
237 |
val provide = provide (src_path, (path, id)); |
38757
2b3e054ae6fc
renamed Local_Theory.theory(_result) to Local_Theory.background_theory(_result) to emphasize that this belongs to the infrastructure and is rarely appropriate in user-space tools;
wenzelm
parents:
38133
diff
changeset
|
238 |
val _ = Context.>> (Context.mapping provide (Local_Theory.background_theory provide)); |
37978
548f3f165d05
simplified Thy_Header.read -- include Source.of_string_limited here;
wenzelm
parents:
37977
diff
changeset
|
239 |
in () end; |
37949
48a874444164
moved management of auxiliary theory source files to Thy_Load -- as theory data instead of accidental loader state;
wenzelm
parents:
37943
diff
changeset
|
240 |
|
48a874444164
moved management of auxiliary theory source files to Thy_Load -- as theory data instead of accidental loader state;
wenzelm
parents:
37943
diff
changeset
|
241 |
fun exec_ml src_path = ML_Context.exec (fn () => use_ml src_path); |
6168 | 242 |
|
37977
3ceccd415145
simplified/clarified theory loader: more explicit task management, kill old versions at start, commit results only in the very end, non-optional master dependency, do not store text in deps;
wenzelm
parents:
37952
diff
changeset
|
243 |
|
43712
3c2c912af2ef
moved Outer_Syntax.load_thy to Thy_Load.load_thy;
wenzelm
parents:
43702
diff
changeset
|
244 |
(* load_thy *) |
37977
3ceccd415145
simplified/clarified theory loader: more explicit task management, kill old versions at start, commit results only in the very end, non-optional master dependency, do not store text in deps;
wenzelm
parents:
37952
diff
changeset
|
245 |
|
46938
cda018294515
some support for outer syntax keyword declarations within theory header;
wenzelm
parents:
46811
diff
changeset
|
246 |
fun begin_theory dir {name, imports, keywords, uses} parents = |
37977
3ceccd415145
simplified/clarified theory loader: more explicit task management, kill old versions at start, commit results only in the very end, non-optional master dependency, do not store text in deps;
wenzelm
parents:
37952
diff
changeset
|
247 |
Theory.begin_theory name parents |
41548
bd0bebf93fa6
Thy_Load.begin_theory: maintain source specification of imports;
wenzelm
parents:
41414
diff
changeset
|
248 |
|> put_deps dir imports |
46938
cda018294515
some support for outer syntax keyword declarations within theory header;
wenzelm
parents:
46811
diff
changeset
|
249 |
|> fold Thy_Header.declare_keyword keywords |
37977
3ceccd415145
simplified/clarified theory loader: more explicit task management, kill old versions at start, commit results only in the very end, non-optional master dependency, do not store text in deps;
wenzelm
parents:
37952
diff
changeset
|
250 |
|> fold (require o fst) uses |
3ceccd415145
simplified/clarified theory loader: more explicit task management, kill old versions at start, commit results only in the very end, non-optional master dependency, do not store text in deps;
wenzelm
parents:
37952
diff
changeset
|
251 |
|> fold (fn (path, true) => Context.theory_map (exec_ml path) o Theory.checkpoint | _ => I) uses |
3ceccd415145
simplified/clarified theory loader: more explicit task management, kill old versions at start, commit results only in the very end, non-optional master dependency, do not store text in deps;
wenzelm
parents:
37952
diff
changeset
|
252 |
|> Theory.checkpoint; |
3ceccd415145
simplified/clarified theory loader: more explicit task management, kill old versions at start, commit results only in the very end, non-optional master dependency, do not store text in deps;
wenzelm
parents:
37952
diff
changeset
|
253 |
|
46959
cdc791910460
defer actual parsing of command spans and thus allow new commands to be used in the same theory where defined;
wenzelm
parents:
46958
diff
changeset
|
254 |
fun excursion init elements = |
cdc791910460
defer actual parsing of command spans and thus allow new commands to be used in the same theory where defined;
wenzelm
parents:
46958
diff
changeset
|
255 |
let |
cdc791910460
defer actual parsing of command spans and thus allow new commands to be used in the same theory where defined;
wenzelm
parents:
46958
diff
changeset
|
256 |
val immediate = not (Goal.future_enabled ()); |
cdc791910460
defer actual parsing of command spans and thus allow new commands to be used in the same theory where defined;
wenzelm
parents:
46958
diff
changeset
|
257 |
|
cdc791910460
defer actual parsing of command spans and thus allow new commands to be used in the same theory where defined;
wenzelm
parents:
46958
diff
changeset
|
258 |
fun proof_result (tr, trs) (st, _) = |
cdc791910460
defer actual parsing of command spans and thus allow new commands to be used in the same theory where defined;
wenzelm
parents:
46958
diff
changeset
|
259 |
let |
cdc791910460
defer actual parsing of command spans and thus allow new commands to be used in the same theory where defined;
wenzelm
parents:
46958
diff
changeset
|
260 |
val (result, st') = Toplevel.proof_result immediate (tr, trs) st; |
cdc791910460
defer actual parsing of command spans and thus allow new commands to be used in the same theory where defined;
wenzelm
parents:
46958
diff
changeset
|
261 |
val pos' = Toplevel.pos_of (List.last (tr :: trs)); |
cdc791910460
defer actual parsing of command spans and thus allow new commands to be used in the same theory where defined;
wenzelm
parents:
46958
diff
changeset
|
262 |
in (result, (st', pos')) end; |
cdc791910460
defer actual parsing of command spans and thus allow new commands to be used in the same theory where defined;
wenzelm
parents:
46958
diff
changeset
|
263 |
|
cdc791910460
defer actual parsing of command spans and thus allow new commands to be used in the same theory where defined;
wenzelm
parents:
46958
diff
changeset
|
264 |
fun element_result elem x = |
cdc791910460
defer actual parsing of command spans and thus allow new commands to be used in the same theory where defined;
wenzelm
parents:
46958
diff
changeset
|
265 |
fold_map proof_result |
cdc791910460
defer actual parsing of command spans and thus allow new commands to be used in the same theory where defined;
wenzelm
parents:
46958
diff
changeset
|
266 |
(Outer_Syntax.read_element (#2 (Outer_Syntax.get_syntax ())) init elem) x; |
cdc791910460
defer actual parsing of command spans and thus allow new commands to be used in the same theory where defined;
wenzelm
parents:
46958
diff
changeset
|
267 |
|
cdc791910460
defer actual parsing of command spans and thus allow new commands to be used in the same theory where defined;
wenzelm
parents:
46958
diff
changeset
|
268 |
val (results, (end_state, end_pos)) = |
cdc791910460
defer actual parsing of command spans and thus allow new commands to be used in the same theory where defined;
wenzelm
parents:
46958
diff
changeset
|
269 |
fold_map element_result elements (Toplevel.toplevel, Position.none); |
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|
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val thy = Toplevel.end_theory end_pos end_state; |
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in (flat results, thy) end; |
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|
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274 |
fun load_thy update_time dir header pos text parents = |
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let |
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val time = ! Toplevel.timing; |
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277 |
|
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val {name, uses, ...} = header; |
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val _ = Thy_Header.define_keywords header; |
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val _ = Present.init_theory name; |
44186
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fun init () = |
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282 |
begin_theory dir header parents |
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283 |
|> Present.begin_theory update_time dir uses; |
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284 |
|
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val lexs = Keyword.get_lexicons (); |
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286 |
|
46811
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clarified command span: include trailing whitespace/comments and thus reduce number of ignored spans with associated transactions and states (factor 2);
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287 |
val toks = Thy_Syntax.parse_tokens lexs pos text; |
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val spans = map (resolve_files dir) (Thy_Syntax.parse_spans toks); |
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val elements = Thy_Syntax.parse_elements spans; |
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290 |
|
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291 |
val _ = Present.theory_source name |
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292 |
(fn () => HTML.html_mode (implode o map Thy_Syntax.present_span) spans); |
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293 |
|
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294 |
val _ = if time then writeln ("\n**** Starting theory " ^ quote name ^ " ****") else (); |
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val (results, thy) = cond_timeit time "" (fn () => excursion init elements); |
43712
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296 |
val _ = if time then writeln ("**** Finished theory " ^ quote name ^ " ****\n") else (); |
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297 |
|
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298 |
val present = |
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singleton (Future.cond_forks {name = "Outer_Syntax.present:" ^ name, group = NONE, |
44113 | 300 |
deps = map Future.task_of results, pri = 0, interrupts = true}) |
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301 |
(fn () => |
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302 |
let val ((minor, _), outer_syntax) = Outer_Syntax.get_syntax () in |
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303 |
Thy_Output.present_thy minor Keyword.command_tags |
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(Outer_Syntax.is_markup outer_syntax) |
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305 |
(maps Future.join results) toks |
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306 |
|> Buffer.content |
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307 |
|> Present.theory_output name |
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308 |
end); |
43712
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309 |
|
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310 |
in (thy, present) end; |
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311 |
|
42002 | 312 |
|
313 |
(* global master path *) |
|
314 |
||
315 |
local |
|
316 |
val master_path = Unsynchronized.ref Path.current; |
|
317 |
in |
|
318 |
||
319 |
fun set_master_path path = master_path := path; |
|
320 |
fun get_master_path () = ! master_path; |
|
321 |
||
6168 | 322 |
end; |
323 |
||
42002 | 324 |
end; |