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javacc-7.0.4.grammars.ExpressParser.jj Maven / Gradle / Ivy

/***************************************************************************************************************************************
** DESCRIPTION: EXPRESS Grammar and Scanner to be used with JavaCC
** FILENAME:    ExpressParser.jj
** DATE:        MAR 1998 -                 (Initial grammar)
** UPDATE:	OCT 1998 -   (Production 294 correction)
** 
** Contributed by Jason Goodman - [email protected]
*************************************************************************************************************************************/

options {
        LOOKAHEAD = 2;
        STATIC = false;
}

PARSER_BEGIN(ExpressParser)

public class ExpressParser{

        
        // 
        // MAIN class used for command line parsing
        //
        public static void main(String args[]) {
                
                ExpressParser parser;
                                
                if (args.length == 0) {
                        System.out.println("ExpressParser:  Reading from standard input . . .");
                        parser = new ExpressParser(System.in);
                } 
                else if (args.length == 1) {
                        System.out.println("ExpressParser:  Reading from file " + args[0] + " . . .");
                        try {
                                parser = new ExpressParser(new java.io.FileInputStream(args[0]));
                        } 
                        catch (java.io.FileNotFoundException e) {
                                System.out.println("Express Parser:  File " + args[0] + " not found.");
                                return;
                        }                       
                } 
                else {
                        System.out.println("ExpressParser:  Usage is one of:");
                        System.out.println("         java ExpressParser < inputfile");
                        System.out.println("OR");
                        System.out.println("         java ExpressParser inputfile");
                        return;
                }
                try {
                        
                        parser.syntax();
                                System.out.println("ExpressParser: source parsed successfully.");
                } 
                catch (ParseException e) {
                        System.out.println(e.getMessage());
                        System.out.println("ExpressParser:  Encountered errors during parse.");
                }
        } // end main

} // end class ExpressParser

PARSER_END(ExpressParser)



/************************************************
*************************************************
** Tokens
*************************************************
************************************************/

SKIP : /* WHITE SPACE */
{
  " "
| "\t"
| "\n"
| "\r"
| "\f"
}



SPECIAL_TOKEN : /* COMMENTS */
{
  
| 
}


TOKEN : {
        
|       
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}


TOKEN : {
   
|  <#HEX_LITERAL: "0" ["x","X"] ()+>
|  <#HEX_DIGIT: ["0"-"9","a"-"f","A"-"F"]>
|  <#OCTAL_LITERAL: "0" (["0"-"7"])*>
|  )? >
|  <#EXPONENT: ["e","E"] (["+","-"])? (["0"-"9"])+>
|   |  |  |  | " " )*  "\'" >
|  <#ESCAPED_CHAR: "\\" (["n","t","b","r","f","\\","\'","\""]) >
|  <#PRINT_CHAR: "~" | "!" | "@" | "#" | "$" | "%" | "^" |"&" | "*" | "(" |  | "_" | "-" | "+" | "=" | "|" | "{" | "}" | "[" | "]" | ":" | ";" | "," | "." | "<" | ">" | "/" | "?" | "~" | "`" >
|  )+ "\"">
|  
|      >
|  <#ENCODED_CHARACTER:     >
|   ( |  | "_")*>
|  <#LETTER: ["A"-"Z", "a"-"z"]>
|  <#DIGIT: ["0"-"9"]>
}

TOKEN :
{
  < LPAREN: "(" >
| < RPAREN: ")" >
| < LBRACE: "{" >
| < RBRACE: "}" >
| < LBRACKET: "[" >
| < RBRACKET: "]" >
| < SEMICOLON: ";" >
| < COLON: ":" >
| < COMMA: "," >
| < DOT: "."  >
}

TOKEN :
{
  < ASSIGN: ":=" >
| < GT: ">" >
| < LT: "<" >
| < LTE: "<=" >
| < GTE: ">=" >
| < QMARK: "?" >
| < POWER: "**" >
| < BSLASH: "\\" >
| < NE: "<>" >
| < EQ: "=" >
| < ASSIGN_NE: ":<>:">
| < ASSIGN_EQ: ":=:">
| < PLUS: "+" >
| < MINUS: "-" >
| < STAR: "*">
| < SLASH: "/">
| < SC_OR: "||" >
| < SRS: "<*" >
| < BIT_OR: "|" >
}

/************************************************
*************************************************
** Grammar
*************************************************
************************************************/


/********** PRODUCTION 140 **********/
void simple_id() : {}
{
        
}


/********** PRODUCTION 145 **********/

void attribute_ref() : {}
{
        attribute_id()
}

/********** PRODUCTION 146 **********/

void constant_ref() : {}
{
        constant_id()
}

/********** PRODUCTION 147 **********/

void entity_ref() : {}
{
        entity_id()
}


/********** PRODUCTION 148 **********/

void enumeration_ref() : {}
{
        enumeration_id()
}

/********** PRODUCTION 149 **********/

void function_ref() : {}
{
        function_id()
}


/********** PRODUCTION 150 **********/

void parameter_ref() : {}
{
        parameter_id()
}

/********** PRODUCTION 151 **********/

void procedure_ref() : {}
{
        procedure_id()
}

/********** PRODUCTION 152 **********/

void schema_ref() : {}
{
        schema_id()
}

/********** PRODUCTION 153 **********/

void type_label_ref() : {}
{
        type_label_id()
}


/********** PRODUCTION 154 **********/

void type_ref() : {}
{
        type_id()
}

/********** PRODUCTION 155 **********/

void variable_ref() : {}
{
        variable_id()
}

/********** PRODUCTION 156 **********/

void abstract_supertype_declaration() : {}
{
          (subtype_constraint())?
}

/********** PRODUCTION 157 **********/

void actual_parameter_list() : {}
{
         parameter() ( parameter())* 
}

/********** PRODUCTION 158 **********/
void add_like_op() : {}
{
         |  |  | 
}

/********** PRODUCTION 159 **********/
void aggregate_initializer() : {}
{
         (element() ( element())*)?  
}

/********** PRODUCTION 160 **********/
void aggregate_source() : {}
{
        simple_expression()
}

/********** PRODUCTION 161 **********/
void aggregate_type() : {}
{
         ( type_label())?  parameter_type() 
}

/********** PRODUCTION 162 **********/
void aggregation_types() : {}
{
        array_type() 
        | bag_type()  
        | list_type() 
        | set_type() 
}

/********** PRODUCTION 163 **********/
void algorithm_head() : {}
{
        (declaration())* (constant_decl())? (local_decl()) 
}

/********** PRODUCTION 164 **********/
void alias_stmt() : {}
{
         variable_id()  general_ref() (qualifier())*  (stmt())+  
}

/********** PRODUCTION 165 **********/
void array_type() : {}
{
         bound_spec()  ()? ()? base_type() 
} 

/********** PRODUCTION 166 **********/
void assignment_stmt() : {}
{
        general_ref() (qualifier())*  expression()  
}

/********** PRODUCTION 167 **********/
void attribute_decl() : {}
{
        attribute_id() | qualified_attribute() 
}

/********** PRODUCTION 168 **********/
void attribute_id() : {}
{
        simple_id()
}
/********** PRODUCTION 169 **********/
void attribute_qualifier() : {}
{
         attribute_ref() 
}

/********** PRODUCTION 170 **********/
void bag_type() : {}
{
         (bound_spec())?  base_type()
}

/********** PRODUCTION 171 **********/
void base_type() : {}
{
        aggregation_types() 
        | simple_types() 
        | named_types() 


}


/********** PRODUCTION 172 **********/
void binary_type() : {}
{
         (width_spec())?
}

/********** PRODUCTION 173 **********/
void boolean_type() : {}
{
         
}

/********** PRODUCTION 174 **********/
void bound_1() : {}
{
        numeric_expression()
}

/********** PRODUCTION 175 **********/
void bound_2() : {}     
{
        numeric_expression()
}

/********** PRODUCTION 176 **********/
void bound_spec() : {}
{
         bound_1()  bound_2()  
}

/********** PRODUCTION 177 **********/
void built_in_constant() : {}
{
         |  |  |  
}

/********** PRODUCTION 178 **********/
void built_in_function() : {}
{
         |  |  |  |  |   |
         |  |  |  |  |
         |  |  |  |    | 
         |  |  |  |  |  |
         |  |  |  |  |
         |  
}

/********** PRODUCTION 179 **********/
void built_in_procedure() : {}
{
         | 
}

/********** PRODUCTION 180 **********/
void case_action() : {}
{
        case_label() ( case_label())*  stmt() 
}

/********** PRODUCTION 181 **********/
void case_label() : {}
{
        expression() 
}

/********** PRODUCTION 182 **********/
void case_stmt() : {}
{
         selector()  (case_action())* (  stmt())?   
}

/********** PRODUCTION 183 **********/
void compound_stmt() : {}
{
         (stmt())+   
}

/********** PRODUCTION 184 **********/
void constant_body() : {}
{
        constant_id()  base_type()  expression()  
}

/********** PRODUCTION 185 **********/
void constant_decl() : {}
{
         (constant_body())+   
}

/********** PRODUCTION 186 **********/
void constant_factor() : {}
{
        built_in_constant() | constant_ref() 
}

/********** PRODUCTION 187 **********/
void constant_id() : {}
{
        simple_id()
}

/********** PRODUCTION 188 **********/
void constructed_types() : {}
{
        enumeration_type() | select_type() 
}

/********** PRODUCTION 189 **********/
void declaration() : {}
{
        entity_decl() | function_decl() | procedure_decl() | type_decl() 
}

/********** PRODUCTION 190 **********/
void derived_attr() : {}
{
        attribute_decl()  base_type()  expression()  
}

/********** PRODUCTION 191 **********/
void derive_clause() : {}
{
         (derived_attr())+
}

/********** PRODUCTION 192 **********/
void domain_rule() : {}
{
        (label() )? expression()
}

/********** PRODUCTION 193 **********/
void element() : {}
{
        expression() ( repetition())? 
}

/********** PRODUCTION 194 **********/
void entity_body() : {}
{
        (explicit_attr())* (derive_clause())? (inverse_clause())? (unique_clause())? (where_clause())?
}

/********** PRODUCTION 195 **********/
void entity_constructor() : {}
{
        entity_ref()  (expression() ( expression())*)?  
}

/********** PRODUCTION 196 **********/
void entity_decl() : { }
{
        entity_head() entity_body()   
}

/********** PRODUCTION 197 **********/
void entity_head() : { }
{
         entity_id() (subsuper())? 
}

/********** PRODUCTION 198 **********/
void entity_id() : {}
{
        simple_id()
}

/********** PRODUCTION 199 **********/
void enumeration_id() : {}
{
        simple_id()
}

/********** PRODUCTION 200 **********/
void enumeration_reference() : {}
{
        (type_ref() )? enumeration_ref() 
}    

/********** PRODUCTION 201 **********/
void enumeration_type() : {}
{
           enumeration_id() ( enumeration_id())*  
}

/********** PRODUCTION 202 **********/
void escape_stmt() : {}
{
          
}

/********** PRODUCTION 203 **********/
void explicit_attr() : {}
{

        attribute_decl() 
        ( attribute_decl())*
         ()? 
        base_type()                     
        

}

/********** PRODUCTION 204 **********/
void expression() : {}
{
        simple_expression() (rel_op_extended() simple_expression())? 
}

/********** PRODUCTION 205 **********/
void factor() : {}
{
        simple_factor() ( simple_factor())?
}

/********** PRODUCTION 206 **********/
void formal_parameter() : {}
{
        parameter_id() ( parameter_id())*  parameter_type() 
}

/********** PRODUCTION 207 **********/
void function_call() : {}
{
        (built_in_function() | function_ref()) (actual_parameter_list())? 
}

/********** PRODUCTION 208 **********/
void function_decl() : {}
{
        function_head() (algorithm_head())? (stmt())+   
}

/********** PRODUCTION 209 **********/
void function_head() : {}
{
         function_id() ( formal_parameter() ( formal_parameter())* )?  parameter_type()   
}

/********** PRODUCTION 210 **********/
void function_id() : {}
{
        simple_id()
}

/********** PRODUCTION 211 **********/
void generalized_types() : {}
{
        aggregate_type() 
        | general_aggregation_types() 
        | generic_type() 
}

/********** PRODUCTION 212 **********/
void general_aggregation_types() : {}
{
          general_array_type() 
        | general_bag_type() 
        | general_list_type() 
        | general_set_type() 
}

/********** PRODUCTION 213 **********/
void general_array_type() : {}
{
          (bound_spec())?  ( )? ()? parameter_type() 

}

/********** PRODUCTION 214 **********/
void general_bag_type() : {}
{
         (bound_spec())?  parameter_type() 
}

/********** PRODUCTION 215 **********/
void general_list_type() : {}
{
         (bound_spec())?  ()? parameter_type() 
}

/********** PRODUCTION 216 **********/
void general_ref() : {}
{
          parameter_ref() 
        | variable_ref() 
}

/********** PRODUCTION 217 **********/
void general_set_type() : {}
{
         (bound_spec())?  parameter_type() 
}

/********** PRODUCTION 218 **********/
void generic_type() : {}
{
         ( type_label())? 
}

/********** PRODUCTION 219 **********/
void group_qualifier() : {}
{
         entity_ref() 
}

/********** PRODUCTION 220 **********/
void if_stmt() : {}
{
         expression()  (stmt())+ ( (stmt())+)?   
}

/********** PRODUCTION 221 **********/
void increment() : {}
{
        numeric_expression() 
}

/********** PRODUCTION 222 **********/
void increment_control() : {}
{
        variable_id()  bound_1()  bound_2() ( increment())?
}

/********** PRODUCTION 223 **********/
void index() : {}
{
        numeric_expression() 
}

/********** PRODUCTION 224 **********/
void index_1() : {}
{
        index() 
}

/********** PRODUCTION 225 **********/
void index_2() : {}
{
        index() 
}

/********** PRODUCTION 226 **********/
void index_qualifier() : {}
{
         index_1() ( index_2())?  
}

/********** PRODUCTION 227 **********/
void integer_type() : {}
{
         
}

/********** PRODUCTION 228 **********/
void interface_specification() : {}
{
          reference_clause() 
        | use_clause() 
}

/********** PRODUCTION 229 **********/
void interval() : {}
{
         interval_low() interval_op() interval_item() interval_op() interval_high()  
}

/********** PRODUCTION 230 **********/
void interval_high() : {}
{
        simple_expression() 
}

/********** PRODUCTION 231 **********/
void interval_item() : {}
{
        simple_expression() 
}

/********** PRODUCTION 232 **********/
void interval_low() : {}
{
        simple_expression() 
}


/********** PRODUCTION 233 **********/
void interval_op() : {}
{
         | 
}

/********** PRODUCTION 234 **********/
void inverse_attr() : {}
{
        attribute_decl()  ((|) (bound_spec())? )? entity_ref()  attribute_ref()  
}

/********** PRODUCTION 235 **********/
void inverse_clause() : {}
{
         (inverse_attr())+
}

/********** PRODUCTION 236 **********/
void label() : {}
{
        simple_id()
}

/********** PRODUCTION 237 **********/
void list_type() : {}
{
          (bound_spec())?  ()? base_type() 
}

/********** PRODUCTION 238 **********/
void literal() : {}
{
         |  | logical_literal() |  | string_literal()
}

/********** PRODUCTION 239 **********/
void local_decl() : {}
{
         local_variable() (local_variable())*   
}

/********** PRODUCTION 240 **********/
void local_variable() : {}
{
        variable_id() ( variable_id())*  parameter_type() ( expression())?  
}

/********** PRODUCTION 241 **********/
void logical_expression() : {}
{
        expression() 
}

/********** PRODUCTION 242 **********/
void logical_literal() : {}
{
         |  |  
}

/********** PRODUCTION 243 **********/
void logical_type() : {}
{
        
}

/********** PRODUCTION 244 **********/
void multiplication_like_op() : {}
{
         |  | 
 |  |  |  
}

/********** PRODUCTION 245 **********/
void named_types() : {}
{
        entity_ref() | type_ref() 
}

/********** PRODUCTION 246 **********/
void named_type_or_rename() : {}
{
        named_types() ( (entity_id() | type_id()))? 
}

/********** PRODUCTION 247 **********/
void null_stmt() : {}
{
         
}

/********** PRODUCTION 248 **********/
void number_type() : {}
{
         
}

/********** PRODUCTION 249 **********/
void numeric_expression() : {}
{
        simple_expression() 
}

/********** PRODUCTION 250 **********/
void one_of() : {}
{
          supertype_expression() ( supertype_expression())*  
}

/********** PRODUCTION 251 **********/
void parameter() : {}
{
        expression() 
}

/********** PRODUCTION 252 **********/
void parameter_id() : {}
{
        simple_id()
}

/********** PRODUCTION 253 **********/
void parameter_type() : {}
{
        generalized_types() | named_types() | simple_types() 
}

/********** PRODUCTION 254 **********/
void population() : {}
{
        entity_ref() 
}

/********** PRODUCTION 255 **********/
void precision_spec() : {}
{
        numeric_expression() 
}

/********** PRODUCTION 256 **********/
void primary() : {}
{
        literal() | (qualifiable_factor() (qualifier())*) 
}

/********** PRODUCTION 257 **********/
void procedure_call_stmt() : {}
{
        (built_in_procedure() | procedure_ref()) (actual_parameter_list())?  
}

/********** PRODUCTION 258 **********/
void procedure_decl() : {}
{
        procedure_head() (algorithm_head())? (stmt())*   
}

/********** PRODUCTION 259 **********/
void procedure_head() : {}
{
         procedure_id() ( ()? formal_parameter() ( ()? formal_parameter())* )?  
}

/********** PRODUCTION 260 **********/
void procedure_id() : {}
{
        simple_id()
}

/********** PRODUCTION 261 **********/
void qualifiable_factor() : {}
{
          attribute_ref()
        | constant_factor()
        | function_call()
        | general_ref()
        | population()
}

/********** PRODUCTION 262 **********/
void qualified_attribute() : {}
{
         group_qualifier() attribute_qualifier() 
}

/********** PRODUCTION 263 **********/
void qualifier() : {}
{
          attribute_qualifier()
        | group_qualifier()     
        | index_qualifier() 
}

/********** PRODUCTION 264 **********/
void query_expression() : {}
{
          variable_id()  aggregate_source()  logical_expression()  
}

/********** PRODUCTION 265 **********/
void real_type() : {}
{
         ( precision_spec() )? 
}

/********** PRODUCTION 266 **********/
void referenced_attribute() : {}
{
          attribute_ref()
        | qualified_attribute() 
}

/********** PRODUCTION 267 **********/
void reference_clause() : {}
{
          schema_ref() ( resource_or_rename() ( resource_or_rename())*  )?  
}

/********** PRODUCTION 268 **********/
void rel_op() : {}
{
         |  |  |  |  |  |  | 
}

/********** PRODUCTION 269 **********/
void rel_op_extended() : {}
{
        rel_op() |  |  
}

/********** PRODUCTION 270 **********/
void rename_id() : {}
{
          constant_id()
        | entity_id()
        | function_id()
        | procedure_id()
        | type_id() 
}

/********** PRODUCTION 271 **********/
void repeat_control() : {}
{
        (increment_control())? (while_control())? (until_control())?
}

/********** PRODUCTION 272 **********/
void repeat_stmt() : {}
{
         repeat_control()  (stmt())+   
}

/********** PRODUCTION 273 **********/
void repetition() : {}
{
        numeric_expression() 
}

/********** PRODUCTION 274 **********/
void resource_or_rename() : {}
{
        resource_ref() ( rename_id())? 
}

/********** PRODUCTION 275 **********/
void resource_ref() : {}
{
          constant_ref()
        | entity_ref()
        | function_ref()        
        | procedure_ref()
        | type_ref() 
}

/********** PRODUCTION 276 **********/
void return_stmt() : {}
{
         ( expression() )?  
}

/********** PRODUCTION 277 **********/
void rule_decl() : {}
{
        rule_head() (algorithm_head())? (stmt())* where_clause()   
}

/********** PRODUCTION 278 **********/
void rule_head() : {}
{
         rule_id()   entity_ref() ( entity_ref())*   
}

/********** PRODUCTION 279 **********/
void rule_id() : {}
{
        simple_id()
}

/********** PRODUCTION 280 **********/
void schema_body() : {}
{
        (interface_specification())* (constant_decl())? ( declaration() | rule_decl() )* 
}

/********** PRODUCTION 281 **********/
void schema_decl() : {}
{
         schema_id()  schema_body()   
}

/********** PRODUCTION 282 **********/
void schema_id() : {}
{
        simple_id()
}

/********** PRODUCTION 283 **********/
void selector() : {}
{
        expression() 
}

/********** PRODUCTION 284 **********/
void select_type() : {}
{
          named_types() ( named_types() )*  
}

/********** PRODUCTION 285 **********/
void set_type() : {}
{
         (bound_spec())?  base_type() 
}

/********** PRODUCTION 286 **********/
void sign() : {}
{
         |  
}

/********** PRODUCTION 287 **********/
void simple_expression() : {}
{
        term() (add_like_op() term())* 
}

/********** PRODUCTION 288 **********/
void simple_factor() : {}
{
        LOOKAHEAD(3)
          aggregate_initializer() 
        | entity_constructor() 
        | enumeration_reference()
        | interval()
        | query_expression()
        | ( (unary_op())? (  expression()  | primary() ) ) 
}

/********** PRODUCTION 289 **********/
void simple_types() : {}
{
          binary_type() 
        | boolean_type() 
        | integer_type() 
        | logical_type() 
        | number_type() 
        | real_type() 
        | string_type() 
}

/********** PRODUCTION 290 **********/
void skip_stmt() : {}
{
          
}

/********** PRODUCTION 291 **********/
void stmt() : {}
{
          alias_stmt() 
        | assignment_stmt() 
        | case_stmt() 
        | compound_stmt() 
        | escape_stmt()
        | if_stmt()
        | null_stmt() 
        | procedure_call_stmt() 
        | repeat_stmt() 
        | return_stmt() 
        | skip_stmt() 
}

/********** PRODUCTION 292 **********/
void string_literal() : {}
{
         |  
}

/********** PRODUCTION 293 **********/
void string_type() : {}
{
         (width_spec())? 
}

/********** PRODUCTION 294 **********/
void subsuper() : {}
{
        (supertype_constraint())? (subtype_declaration())?
}

/********** PRODUCTION 295 **********/
void subtype_constraint() : {}
{
          supertype_expression()  
}

/********** PRODUCTION 296 **********/
void subtype_declaration() : {}
{
           entity_ref() ( entity_ref() )*  
}

/********** PRODUCTION 297 **********/
void supertype_constraint() : {}
{
          abstract_supertype_declaration() 
        | supertype_rule() 
}

/********** PRODUCTION 298 **********/
void supertype_expression() : {}
{
        supertype_factor() ( supertype_factor())* 
}

/********** PRODUCTION 299 **********/
void supertype_factor() : {}
{
        supertype_term() ( supertype_term())* 
}

/********** PRODUCTION 300 **********/
void supertype_rule() : {}
{
         subtype_constraint() 
}

/********** PRODUCTION 301 **********/
void supertype_term() : {}
{
          entity_ref()
        | one_of() 
        |  supertype_expression()  
}

/********** PRODUCTION 302 **********/
void syntax() : {}
{
        (schema_decl())+
}

/********** PRODUCTION 303 **********/
void term() : {}
{
        factor() (multiplication_like_op() factor())* 
}

/********** PRODUCTION 304 **********/
void type_decl() : {}
{
         type_id()  underlying_type()  (where_clause())?  
}

/********** PRODUCTION 305 **********/
void type_id() : {}
{
        simple_id()
}

/********** PRODUCTION 306 **********/
void type_label() : {}
{
          type_label_id()
        | type_label_ref() 
}

/********** PRODUCTION 307 **********/
void type_label_id() : {}
{
        simple_id()
}

/********** PRODUCTION 308 **********/
void unary_op() : {}
{
         |  |  
}

/********** PRODUCTION 309 **********/
void underlying_type() : {}
{
          constructed_types() 
        | aggregation_types() 
        | simple_types() 
        | type_ref() 
}

/********** PRODUCTION 310 **********/
void unique_clause() : {}
{
         unique_rule()  (unique_rule() )* 
}

/********** PRODUCTION 311 **********/
void unique_rule() : {}
{
        (label() )? referenced_attribute() ( referenced_attribute())* 
}

/********** PRODUCTION 312 **********/
void until_control() : {}
{
         expression() 
}

/********** PRODUCTION 313 **********/
void use_clause() : {}
{
          schema_ref() ( named_type_or_rename() ( named_type_or_rename())*  )?  
}

/********** PRODUCTION 314 **********/
void variable_id() : {}
{
        simple_id()
}

/********** PRODUCTION 315 **********/
void where_clause() : {}
{
         domain_rule()  (domain_rule()  )* 
}

/********** PRODUCTION 316 **********/
void while_control() : {}
{
         logical_expression() 
}

/********** PRODUCTION 317 **********/
void width() : {}
{
        numeric_expression() 
}

/********** PRODUCTION 318 **********/
void width_spec() : {}
{
         width()  ()? 
}
    

    

    

            
    

            

    
    






    
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