1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% Lightweight Java (LJ). %
% Copyright (c) 2007, Rok Strnisa [Rok.Strnisa@cl.cam.ac.uk] %
% All rights reserved. %
% %
% Redistribution and use in source and binary forms, with or without %
% modification, are permitted provided that the following conditions are met: %
% %
% - Redistributions of source code must retain the above copyright notice, %
% this list of conditions and the following disclaimer. %
% %
% - Redistributions in binary form must reproduce the above copyright %
% notice, this list of conditions and the following disclaimer in the %
% documentation and/or other materials provided with the distribution. %
% %
% - Neither the name of the Computer Laboratory, University of Cambridge %
% nor the names of its contributors may be used to endorse or promote %
% products derived from this software without specific prior written %
% permission. %
% %
% THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" %
% AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE %
% IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE %
% ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE %
% LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR %
% CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF %
% SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS %
% INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN %
% CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) %
% ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE %
% POSSIBILITY OF SUCH DAMAGE. %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
grammar
%%% PROGRAM %%%
P :: p_ ::= {{ com program }} {{ isa clds }}
| clds :: M :: def {{ com def. }} {{ isa [[clds]] }}
%%% CONTEXT %%%
ctx :: ctx_ ::= {{ com context }}
| :: :: def {{ com no context }}
%%% FORMULA %%%
formula :: formula_ ::= {{ com formulas }}
| distinct ( dcl1 .. dclk ) :: M :: distinct_dcl
{{ com distinct class names }}
{{ isa distinct ([[dcl1..dclk]]) }}
| cld in P :: M :: cld_in_P
{{ com class definition part of the program }}
{{ isa [[cld]] \<in> set [[P]] }}
%%% DISTINCT NAMES %%%
defns
distinct_names_def :: '' ::=
defn
distinct_names ( P ) :: :: distinct_names :: dn_
{{ com distinct names of type definitions }} by
P = </cldk//k/>
</classname(cldk) = dclk//k/>
distinct (</dclk//k/>)
----------------------------- :: def
distinct_names(P)
%%% FIND CLASS DEFINITION %%%
defns
find_cld_def :: '' ::=
defn
find_cld ( P , ctx , fqn ) = ctxcld_opt :: :: find_cld :: fc_
{{ com class def.~lookup }} by
--------------------------- :: empty
find_cld(, ctx, fqn) = null
P = cld cld2..cldk
:formula_cldali: cld = class dcl extends cl {fds meth_defs}
----------------------------------------------------------- :: cons_true
find_cld(P, ctx, dcl) = (ctx, cld)
:formula_cldali: cld = class dcl' extends cl {fds meth_defs}
dcl != dcl'
find_cld(cld2..cldk, ctx, dcl) = ctxcld_opt
------------------------------------------------------------ :: cons_false
find_cld(cld cld2..cldk, ctx, dcl) = ctxcld_opt
%%% FIND TYPE %%%
defns
find_type_def :: '' ::=
%%% FIND PATH %%%
defns
find_path_def :: '' ::=
%%% FIND PATH (TY) %%%
defns
find_path_ty_def :: '' ::=
%%% FIELDS IN PATH %%%
defns
fields_in_path_def :: '' ::=
%%% FIELDS %%%
defns
fields_def :: '' ::=
%%% METHODS IN PATH %%%
defns
methods_in_path_def :: '' ::=
%%% METHODS %%%
defns
methods_def :: '' ::=
%%% FTYPE IN FDS %%%
defns
ftype_in_fds_def :: '' ::=
%%% FTYPE IN PATH %%%
defns
ftype_in_path_def :: '' ::=
%%% FTYPE %%%
defns
ftype_def :: '' ::=
%%% FIND METH_DEF IN LIST %%%
defns
find_meth_def_in_list_def :: '' ::=
%%% FIND METH_DEF IN PATH %%%
defns
find_meth_def_in_path_def :: '' ::=
%%% FIND METH_DEF %%%
defns
find_meth_def_def :: '' ::=
%%% MTYPE %%%
defns
mtype_def :: '' ::=
%%% STY_ONE %%%
defns
sty_one_def :: sty_ ::=
%%% STY_MANY %%%
defns
sty_many_def :: sty_ ::=
%%% STY_OPTION %%%
defns
sty_option_def :: sty_ ::=
%%% WELL-FORMEDNESS %%%
defns
well_formedness :: wf_ ::=
defn
P |- cld :: :: class :: '' {{ com well-formed class }} by
class dcl extends cl {fds meth_defs} in P
P |-ctx (dcl, cl, fds, meth_defs)
------------------------------------------ :: class
P |- class dcl extends cl {fds meth_defs}
defn
|- P :: :: program :: '' {{ com well-formed program }} by
P = </cldk//k/>
distinct_names(P)
</:wf_class: P |- cldk//k/>
----------------------------- :: program
|- P
%%% VARIABLE TRANSLATION %%%
defns
var_trans :: '' ::=
%%% REDUCTION %%%
defns
reduction :: r_ ::=
|
