1 /*

     2  * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). 

     3  * All rights reserved.

     4  * This component and the accompanying materials are made available

     5  * under the terms of the License "Symbian Foundation License v1.0"

     6  * which accompanies this distribution, and is available

     7  * at the URL "http://www.symbianfoundation.org/legal/sfl-v10.html".

     8  * 

     9  * Initial Contributors:

    10  * Nokia Corporation - Initial contribution

    11  * 

    12  * Contributors:

    13  * 

    14  * Description: This file is part of com.nokia.tools.vct.confml.expressions component.

    15  */

    16 grammar Confml;

    17 

    18 options {

    19   output=AST;

    20   ASTLabelType=CommonTree;

    21 }

    22  

    23 tokens {

    24   CURRENT_REF;

    25   SIBLING_REF;

    26   TOP_LEVEL_SETTING_REF;

    27   SUB_SETTING_REF;

    28   FILE_PATH_REF;

    29   

    30   BOOLEAN;

    31 }

    32 

    33 @header { 

    34   package com.nokia.tools.vct.confml.expressions.confml.grammar;

    35 }

    36 

    37 @lexer::header {

    38   package com.nokia.tools.vct.confml.expressions.confml.grammar;

    39 }

    40 

    41 @members {

    42   public boolean isFailed() {

    43     return lastErrorIndex != -1;

    44   }

    45 }

    46 

    47 

    48 

    49 // ##################### BASIC EXPRESSIONS

    50 expr: 

    51   orExpr EOF!

    52 ;

    53 

    54 // ##################### BOOLEAN EXPRESSIONS

    55 orExpr:

    56   e = andExpr

    57   (

    58     OR^  e2 = andExpr

    59   )*

    60 ;

    61 

    62 andExpr:

    63   e = equalityExpr     

    64   (

    65     AND^ e2 = equalityExpr       

    66   )*

    67 ;

    68 

    69 equalityExpr: 

    70   e = relationalExpr

    71   (

    72     EQ^   e2 = relationalExpr

    73   | NEQ^  e2 = relationalExpr

    74   )*

    75 ;

    76 

    77 relationalExpr:

    78   e = additiveExpr            

    79   (

    80     LT^   e2 = additiveExpr  

    81   | GT^   e2 = additiveExpr                                             

    82   | LE^  e2 = additiveExpr  

    83   | GE^  e2 = additiveExpr  

    84   )*

    85 ;

    86   

    87 // ################# Numeric Expressions

    88 additiveExpr: 

    89 	multiplicativeExpr

    90 	(

    91 	  PLUS^   e = multiplicativeExpr 

    92     | MINUS^   e = multiplicativeExpr 

    93 	)*

    94 ;

    95 

    96 multiplicativeExpr: 

    97 	e = unaryExpr

    98 	(

    99 	  MUL^   e2 = unaryExpr

   100 	| DIV^ e2 = unaryExpr

   101 	| MOD^ e2 = unaryExpr

   102 	)* 

   103 ;

   104 

   105 unaryExpr: 

   106   primaryExpr

   107   | MINUS^ primaryExpr

   108 ;

   109 

   110 primaryExpr: 

   111   settingValueRef

   112   | '(' orExpr ')'

   113   | Literal

   114   | Number

   115 ;

   116 

   117 // ################# Expression Lexical Structure

   118 

   119 settingValueRef:

   120   currentRef

   121   | siblingRef

   122   | topLevelSettingRef

   123   | subSettingRef

   124   | filePathRef

   125 ;

   126 

   127 

   128 currentRef:

   129   '.' -> CURRENT_REF["."]

   130 ;

   131 

   132 

   133 siblingRef:

   134   r = Ref { String val = $r.getText(); } -> SIBLING_REF[val]

   135 ;

   136 

   137 topLevelSettingRef:

   138   r1 = Ref '/' r2 = Ref {String val = $r1.getText()+"/"+$r2.getText();} -> TOP_LEVEL_SETTING_REF[val]

   139 ;

   140 

   141 subSettingRef:

   142   r1 = Ref '/' rx = Ref '[' n = Number ']' '/' rs = Ref

   143   {String val = $r1.getText()+"/"+$rx.getText() + "[" + n.getText() + "]/" + rs.getText();} -> SUB_SETTING_REF[val]

   144 ;

   145 

   146 

   147 filePathRef:

   148   r1 = Ref '/' r2 = Ref '/' r3 = Ref

   149   {String val = $r1.getText()+"/"+$r2.getText()+"/"+$r3.getText();} -> FILE_PATH_REF[val]

   150 ;

   151 

   152 

   153 //IndexedRef : ('a'..'z' | 'A'..'Z' ) ('a'..'z' | 'A'..'Z' | '0'..'9' | '.' | '-')* ('*' | ('[' Number ']'))   {};

   154 

   155 

   156 OR: 'or';

   157 AND: 'and';

   158 EQ: '=';

   159 NEQ: '!=';     

   160 LT: '<';  

   161 GT: '>';                                            

   162 LE: '<='; 

   163 GE: '>=';

   164 PLUS: '+'; 

   165 MINUS: '-'; 

   166 MUL: '*';

   167 DIV: 'div';

   168 MOD: 'mod';

   169                                         

   170                                              

   171 Ref :        ('a'..'z' | 'A'..'Z' ) ('a'..'z' | 'A'..'Z' | '0'..'9' | '.' | '-' | '_')*

   172 //Ref : (('a'..'z' | 'A'..'Z' ) (('a'..'z' | 'A'..'Z' ) | ('0'..'9') | '.' | '-')*) ('*' | ('[' Number ']'))?

   173 ;

   174 

   175 Literal :

   176     '"' .* '"'

   177   | '\'' .* '\''

   178 ;

   179 

   180 Number : ('0'..'9')+ ('.' ('0'..'9')+)?

   181   | '.' ('0'..'9')+

   182 ;

   183 

   184 

   185 

   186 NEWLINE : '\r' ? '\n'

   187 ;

   188 

   189 WS : (' ' |'\t' |'\n' |'\r' )+ {skip();}

   190 ;

   191 

   192 //NameChar    :   Letter | Digit | '.' | '..' | '_' | ':' | CombiningChar | Extender;  

   193 //Name    :   (Letter | '_' | ':') (NameChar)*; 

   194 //Names    :    Name ('\u0020' Name)*; 

   195 //Nmtoken    :    (NameChar)+ ;

   196 //Nmtokens    :   Nmtoken ('\u0020' Nmtoken)*; 

   197 

   198 //CombiningChar    :    ('\u0300'..'\u0345') | ('\u0360'..'\u0361') | ('\u0483'..'\u0486') | ('\u0591'..'\u05A1') | ('\u05A3'..'\u05B9') | ('\u05BB'..'\u05BD') | '\u05BF' | ('\u05C1'..'\u05C2') | '\u05C4' | ('\u064B'..'\u0652') | '\u0670' | ('\u06D6'..'\u06DC') | ('\u06DD'..'\u06DF') | ('\u06E0'..'\u06E4') | ('\u06E7'..'\u06E8') | ('\u06EA'..'\u06ED') | ('\u0901'..'\u0903') | '\u093C' | ('\u093E'..'\u094C') | '\u094D' | ('\u0951'..'\u0954') | ('\u0962'..'\u0963') | ('\u0981'..'\u0983') | '\u09BC' | '\u09BE' | '\u09BF' | ('\u09C0'..'\u09C4') | ('\u09C7'..'\u09C8') | ('\u09CB'..'\u09CD') | '\u09D7' | ('\u09E2'..'\u09E3') | '\u0A02' | '\u0A3C' | '\u0A3E' | '\u0A3F' | ('\u0A40'..'\u0A42') | ('\u0A47'..'\u0A48') | ('\u0A4B'..'\u0A4D') | ('\u0A70'..'\u0A71') | ('\u0A81'..'\u0A83') | '\u0ABC' | ('\u0ABE'..'\u0AC5') | ('\u0AC7'..'\u0AC9') | ('\u0ACB'..'\u0ACD') | ('\u0B01'..'\u0B03') | '\u0B3C' | ('\u0B3E'..'\u0B43') | ('\u0B47'..'\u0B48') | ('\u0B4B'..'\u0B4D') | ('\u0B56'..'\u0B57') | ('\u0B82'..'\u0B83') | ('\u0BBE'..'\u0BC2') | ('\u0BC6'..'\u0BC8') | ('\u0BCA'..'\u0BCD') | '\u0BD7' | ('\u0C01'..'\u0C03') | ('\u0C3E'..'\u0C44') | ('\u0C46'..'\u0C48') | ('\u0C4A'..'\u0C4D') | ('\u0C55'..'\u0C56') | ('\u0C82'..'\u0C83') | ('\u0CBE'..'\u0CC4') | ('\u0CC6'..'\u0CC8') | ('\u0CCA'..'\u0CCD') | ('\u0CD5'..'\u0CD6') | ('\u0D02'..'\u0D03') | ('\u0D3E'..'\u0D43') | ('\u0D46'..'\u0D48') | ('\u0D4A'..'\u0D4D') | '\u0D57' | '\u0E31' | ('\u0E34'..'\u0E3A') | ('\u0E47'..'\u0E4E') | '\u0EB1' | ('\u0EB4'..'\u0EB9') | ('\u0EBB'..'\u0EBC') | ('\u0EC8'..'\u0ECD') | ('\u0F18'..'\u0F19') | '\u0F35' | '\u0F37' | '\u0F39' | '\u0F3E' | '\u0F3F' | ('\u0F71'..'\u0F84') | ('\u0F86'..'\u0F8B') | ('\u0F90'..'\u0F95') | '\u0F97' | ('\u0F99'..'\u0FAD') | ('\u0FB1'..'\u0FB7') | '\u0FB9' | ('\u20D0'..'\u20DC') | '\u20E1' | ('\u302A'..'\u302F') | '\u3099' | '\u309A'  ;

   199 //Digit    :    ('\u0030'..'\u0039') | ('\u0660'..'\u0669') | ('\u06F0'..'\u06F9') | ('\u0966'..'\u096F') | ('\u09E6'..'\u09EF') | ('\u0A66'..'\u0A6F') | ('\u0AE6'..'\u0AEF') | ('\u0B66'..'\u0B6F') | ('\u0BE7'..'\u0BEF') | ('\u0C66'..'\u0C6F') | ('\u0CE6'..'\u0CEF') | ('\u0D66'..'\u0D6F') | ('\u0E50'..'\u0E59') | ('\u0ED0'..'\u0ED9') | ('\u0F20'..'\u0F29')  ;

   200 //Extender    :    '\u00B7' | '\u02D0' | '\u02D1' | '\u0387' | '\u0640' | '\u0E46' | '\u0EC6' | '\u3005' | ('\u3031'..'\u3035') | ('\u309D'..'\u309E') | ('\u30FC'..'\u30FE')  ;