2 ||M|| This file is part of HELM, an Hypertextual, Electronic
3 ||A|| Library of Mathematics, developed at the Computer Science
4 ||T|| Department, University of Bologna, Italy.
6 ||T|| HELM is free software; you can redistribute it and/or
7 ||A|| modify it under the terms of the GNU General Public License
8 \ / version 2 or (at your option) any later version.
9 \ / This software is distributed as is, NO WARRANTY.
10 V_______________________________________________________________ *)
16 type uri_generator = string -> string
18 type kernel = V4 | V3 | V0
32 (* interface functions ******************************************************)
34 let version_string b =
35 if b then "Helena 0.8.3 M (July 2015)"
36 else "Helena 0.8.3 M - July 2015"
38 let kernel = ref V3 (* kernel type *)
40 let si = ref false (* use sort inclusion *)
42 let cover = ref "" (* initial uri segment *)
44 let cc = ref false (* activate conversion constraints *)
46 let indexes = ref false (* show de Bruijn indexes *)
48 let alpha = ref "" (* prefix of numeric identifiers *)
50 let first = ref 0 (* begin trace here *)
52 let last = ref max_int (* end trace here *)
54 let extended = ref false (* extended applications *)
56 let infinity = ref false (* use ∞-abstractions in contexts *)
58 let short = ref false (* short global constants *)
60 let root = ref "" (* initial segment of URI hierarchy *)
62 let trace = ref 0 (* trace level *)
65 let debug_lexer = ref false (* output lexer debug information *)
69 let debug_parser = ref false (* output parser debug information *)
73 let ct = ref 0 (* current trace level *)
77 let summary = ref false (* log summary information *)
81 let expand = ref false (* always expand global definitions *)
85 let manager_dir = ref "" (* output directory for manager *)
86 let manager = ref Quiet (* manager *)
87 let preamble = ref "" (* preamble file for manager *)
91 let stage = ref 3 (* stage *)
95 let export = ref false (* export entities to XML *)
96 let xdir = ref "" (* directory for XML output *)
100 let preprocess = ref false (* preprocess source *)
104 let quote = ref false (* quote identifiers when lexing *)
108 let validate = ref true (* validate vs. typecheck *)
109 let icm = ref 0 (* complexity measure of relocated terms *)
113 let id = match !kernel with
114 | V4 -> "Environment"
115 | V3 -> "Environment_V3"
116 | V0 -> "Environment_V0"
118 let si = if !si then "_si" else "" in
119 let ext = if !extended then "_x" else "" in
123 String.concat "/" ["ld:"; kernel_id (); !cover; "" ]
126 let bu = get_baseuri () in
127 fun s -> KF.concat bu (s ^ ".ld")
130 let set_current_trace n =
131 ct := if !first <= n && n <= !last then !trace else 0
135 root := ""; first := 0; last := max_int;
136 kernel := V3; si := false; extended := false; infinity := false; cover := "";
137 indexes := false; short := false; trace := 0;
138 IFDEF LEXER THEN debug_lexer := false ELSE () END;
139 IFDEF PARSER THEN debug_parser := false ELSE () END;
140 IFDEF SUMMARY THEN summary := false ELSE () END;
141 IFDEF EXPAND THEN expand := false ELSE () END;
142 IFDEF MANAGER THEN manager_dir := ""; manager := Quiet; preamble := "" ELSE () END;
143 IFDEF STAGE THEN stage := 3 ELSE () END;
144 IFDEF OBJECTS THEN export := false; xdir := "" ELSE () END;
145 IFDEF PREPROCESS THEN preprocess := false ELSE () END;
146 IFDEF QUOTE THEN quote := false ELSE () END;
147 IFDEF TYPE THEN validate := true; icm := 0 ELSE () END