aboutsummaryrefslogtreecommitdiffstats
path: root/lib/cosNotification/src/cosNotification_Grammar.yrl
blob: 2650efcdfe2cb64e89f9830d4498845434d3a634 (plain) (blame)
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
%%--------------------------------------------------------------------
%% %CopyrightBegin%
%% 
%% Copyright Ericsson AB 1999-2009. All Rights Reserved.
%% 
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
%% You may obtain a copy of the License at
%%
%%     http://www.apache.org/licenses/LICENSE-2.0
%%
%% Unless required by applicable law or agreed to in writing, software
%% distributed under the License is distributed on an "AS IS" BASIS,
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%% 
%% %CopyrightEnd%
%%
%%--------------------------------------------------------------------
%% File    : cosNotification_Grammar.yrl
%% Purpose : Implement the constraint grammar for CosNotification filters.
%%--------------------------------------------------------------------

Nonterminals  
	'<toplevel>' '<constraint>' '<expr>' '<bool>' '<bool_or>' '<Ident>'
	'<bool_and>' '<bool_compare>' '<expr_in>' '<expr_twiddle>' '<term>' 
	'<factor_not>' '<factor>' '<Component>' '<CompExt>' '<CompDot>' '<UnionVal>'.

Terminals 
%	'dbslsh' 'bslshd' 
	'bslsh' 'ident' 'string'
	'_length' '_d''_type_id' '_repos_id' 
	'not' 'or' 'and' 'num'
	'in' '~' '.' 'dollar'
	'ADDOP' 'RELOP' 'MULOP' 'default' 'exist'
	'TRUE' 'FALSE'
	'(' ')' '[' ']' 'int'.

Left 100 'or'.
Left 200 'and'.
%Nonassoc 300 'RELOP'.          % '==', '!=', '<', '>', '<=', '=>'
Left 300 'RELOP'.
%Nonassoc 400 'in'.
Left 400 'in'.
%Nonassoc 500 '~'.
Left 500 '~'.
Left 600 'ADDOP'.               % '+', '-'
Left 700 'MULOP'.               % '*', '/'
Unary 800 'not'.
Unary 900 'exist'.
Unary 900 'default'.
%Unary 900 'u-'.                 % unary minus

Rootsymbol    '<toplevel>'.
Endsymbol     '$end'.

'<toplevel>' -> '$empty' : '$empty'.
'<toplevel>' -> '<constraint>' : '$1'.

'<constraint>' -> '<bool>' : '$1'.
  
'<bool>' -> '<bool_or>' : '$1'.

'<bool_or>' -> '<bool_or>' 'or' '<bool_and>' : {'or', '$1', '$3'}.
'<bool_or>' -> '<bool_and>' : '$1'.

'<bool_and>' -> '<bool_and>' 'and' '<bool_compare>' : {'and', '$1', '$3'}. 
'<bool_and>' -> '<bool_compare>' : '$1'.

'<bool_compare>' -> '<expr_in>' 'RELOP' '<expr_in>' : {element(2, '$2'), '$1', '$3'}. 
'<bool_compare>' -> '<expr_in>' : '$1'.

'<expr_in>' -> '<expr_twiddle>' : '$1'.
'<expr_in>' -> '<expr_twiddle>' 'in' '<Ident>' : {'in', '$1', '$3'}.
'<expr_in>' -> '<expr_twiddle>' 'in' 'dollar' '<Component>' : {'in', '$1', examin_comp({'component', '$4'})}.

'<expr_twiddle>' -> '<expr>' : '$1'. 
'<expr_twiddle>' -> '<expr>' '~' '<expr>' : {'~', '$1', '$3'}.

'<expr>' -> '<term>' : '$1'.
'<expr>' -> '<expr>' 'ADDOP' '<term>' : {element(2, '$2'), '$1', '$3'}.

'<term>' -> '<factor_not>' : '$1'.
'<term>' -> '<term>' 'MULOP' '<factor_not>' : {element(2, '$2'), '$1', '$3'}.

'<factor_not>' -> '<factor>' : '$1'.
'<factor_not>' -> 'not' '<factor>' : {'not', '$2'}.

'<factor>' -> '(' '<bool_or>' ')' : '$2'. 
'<factor>' -> 'num' : element(2, '$1').
'<factor>' -> 'int' : element(2, '$1').
'<factor>' -> 'string' : element(2, '$1').
'<factor>' -> 'TRUE' : 'true'.
'<factor>' -> 'FALSE' : 'false'.
'<factor>' -> 'ADDOP' 'num' : create_unary(element(2, '$1'), element(2, '$2')).
'<factor>' -> 'ADDOP' 'int' : create_unary(element(2, '$1'), element(2, '$2')).
'<factor>' -> '<Ident>' : list_to_atom('$1').
'<factor>' -> 'dollar' '<Component>' : examin_comp({component, '$2'}).
'<factor>' -> 'default' 'dollar' '<Component>' : examin_comp({'default_component', '$3'}).
'<factor>' -> 'exist' 'dollar' '<Component>' : examin_comp({'exist_component', '$3'}).

%% The following rules are used to create Components. The format used is:
%% [...]
'<Component>' -> '.' '<CompDot>' : '$2'.
'<Component>' -> '[' 'int' ']' '<CompExt>' : [{'arrindex', element(2, '$2')} | '$4']. %% CompArray
'<Component>' -> '(' '<Ident>' ')' '<CompExt>' : [{'associd', '$2'} | '$4']. %%CompAssoc
'<Component>' ->  '<Ident>' '<CompExt>' : [{'varid', '$1'} | '$2']. %% run-time variable
'<Component>' ->  '$empty' : [].

'<CompExt>' ->  '.' '<CompDot>' : '$2'.
'<CompExt>' ->  '[' 'int' ']' '<CompExt>' : [{'arrindex', element(2, '$2')} | '$4']. %% CompArray
'<CompExt>' ->  '(' '<Ident>' ')' '<CompExt>' : [{'associd', '$2'} | '$4']. %%CompAssoc
'<CompExt>' ->  '$empty' : [].

'<CompDot>' -> '<Ident>' '<CompExt>' : [{'dotid', '$1'} | '$2']. 
'<CompDot>' -> 'int' '<CompExt>' : [{'dotint', element(2, '$1')} | '$2']. %% ComPos
'<CompDot>' -> '(' '<UnionVal>' ')' '<CompExt>' : ['$2' | '$4']. %% UnionPos
'<CompDot>' -> '_length'           : ['_length'].   %% arrays or sequences ONLY
'<CompDot>' -> '_d'                : ['_d'].        %% discriminated unions ONLY
'<CompDot>' -> '_type_id'          : ['_type_id'].  %% ok if info can be obtained
'<CompDot>' -> '_repos_id'         : ['_repos_id']. %% ok if info can be obtained

'<Ident>' -> 'ident' : element(2, '$1').
'<Ident>' -> 'bslsh' 'ident' : element(2, '$2').

'<UnionVal>' ->  'int' : {'uint', element(2, '$1')}.
'<UnionVal>' ->  'ADDOP' 'int' : {'uint', create_unary(element(2, '$1'), element(2, '$2'))}.
'<UnionVal>' ->  'string' : {'ustr', element(2, '$1')}.
'<UnionVal>' ->   '$empty': 'default'.

Erlang code.
%%--------------------------------------------------------------------
%%
%% %CopyrightBegin%
%% 
%% Copyright Ericsson AB 1999-2009. All Rights Reserved.
%% 
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
%% You may obtain a copy of the License at
%%
%%     http://www.apache.org/licenses/LICENSE-2.0
%%
%% Unless required by applicable law or agreed to in writing, software
%% distributed under the License is distributed on an "AS IS" BASIS,
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%% 
%% %CopyrightEnd%
%%
%%----------------------------------------------------------------------
%% File    : cosNotification_Grammar.erl
%% Purpose : THIS FILE HAS BEEN GENERATED. DO NOT EDIT!!!!
%%----------------------------------------------------------------------

-include("CosNotification_Definitions.hrl").

create_unary('+', Val) when is_number(Val) -> Val;
create_unary('-', Val) when is_number(Val) -> -Val;
create_unary(_, _) -> return_error(0, "syntax error").

examin_comp({T, []}) ->
	{T, '$empty'};
examin_comp(V) ->
	V.