1		% (c) 2009-2024 Lehrstuhl fuer Softwaretechnik und Programmiersprachen,
2		% Heinrich Heine Universitaet Duesseldorf
3		% This software is licenced under EPL 1.0 (http://www.eclipse.org/org/documents/epl-v10.html)
4
5		:- module(version, [ version/4, version/5, version_str/1, full_version_str/1,
6		revision/1, semantic_build_counter/1,
7		lastchangeddate/1,
8		compare_against_current_version/2,
9		format_prob_version/1
10		]).
11
12		:- set_prolog_flag(double_quotes, codes).
13
14		:- use_module(module_information,[module_info/2]).
15
16		:- module_info(group,infrastructure).
17		:- module_info(description,'This module contains the current version number of ProB together with automatically updated version control infos.').
18
19
20		version(1,13,1,'nightly',5). % next beta will be beta3
21		% SemanticBuildCounter is increasing for nightly/beta releases
22
23		version(Major,Minor,Service,Qualifier) :-
24		version(Major,Minor,Service,Qualifier,_SemanticBuildCounter).
25
26
27		% example call: compare_against_current_version([1,7],Res).
28		compare_against_current_version(NrList,Result) :- version(A,B,C,_,D),
29		compare_aux(NrList,[A,B,C,D],Result).
30
31		compare_aux([],_,current_matches).
32		compare_aux([Requested|RT],[Cur|CT],Res) :- Requested = Cur,!, compare_aux(RT,CT,Res).
33		compare_aux([Requested|_],[Cur|_],Res) :- is_newer(Requested,Cur),!, Res = current_older.
34		compare_aux(_,_,current_newer).
35
36		is_newer(final,Cur) :- Cur \= final.
37		% beta and final use same Counter scheme and are semantic-version wise identical
38		is_newer(Requested,Cur) :- number(Requested), number(Cur), Requested > Cur.
39
40		:- use_module(library(lists),[append/2]).
41		version_str(Str) :- version(V1,V2,V3,Suffix,_Counter),
42		number_codes(V1,C1),
43		number_codes(V2,C2),
44		number_codes(V3,C3),
45		atom_codes(Suffix,S),
46		append([C1,[0'.],C2,[0'.],C3,[0'-],S],C),
47		atom_codes(Str,C).
48
49		% version string with build counter
50		full_version_str(Str) :- version(V1,V2,V3,Suffix,Counter),
51		number_codes(V1,C1),
52		number_codes(V2,C2),
53		number_codes(V3,C3),
54		number_codes(Counter,C4),
55		(Suffix=final -> SemanticCounter = [] ; SemanticCounter = [ "(",C4,")"]),
56		atom_codes(Suffix,S),
57		append([C1,".",C2,".",C3,"-",S | SemanticCounter],C),
58		atom_codes(Str,C).
59
60		semantic_build_counter(B) :- version(_,_,_,_,B).
61
62		format_prob_version(Stream) :-
63		version_str(VS), revision(Rev), semantic_build_counter(B), lastchangeddate(DD),
64		format(Stream,'ProB ~w~n Revision: ~w~n Build Counter: ~w~nDate: ~w',[VS,Rev,B,DD]).
65
66
67		% this file needs to be touched and committed for information below to be updated!
68
69		get_revision(R) :- catch(read_revision(R),_,R='no revision found').
70		get_lastchanged(R) :- catch(read_lastchanged(R),_,R='no lastchanged found').
71
72
73		% Tries to read the revision file generated by make.
74		% If it does not come from svn, the fallback revision number is used.
75		read_revision(A) :-
76		open('revision', read, ID),
77		read_line(ID,R), close(ID),
78		atom_codes(A,R).
79
80		read_lastchanged(A) :-
81		open('lastchanged', read, ID),
82		read_line(ID,R), close(ID),
83		atom_codes(A,R).
84
85		:- dynamic revision/1, lastchangeddate/1.
86		:- get_revision(X), assertz(revision(X)).
87		:- get_lastchanged(X), assertz(lastchangeddate(X)).