--
-- Author:  Robert C. Shock,  Dept of CS & CEG   Wright State University
-- In cooperation with:  WRDC/ELED WPAFB   Dayton, OH
--
-- source: vhdl_name_.a
--

with vhdl_lexicon;

package vhdl_name is
   
 
subtype reserve_word is vhdl_lexicon.element_name range vhdl_lexicon.abs_id .. vhdl_lexicon.xor_id;


subtype single_delimiter is vhdl_lexicon.element_name range vhdl_lexicon.ampersand ..  vhdl_lexicon.vertical_bar;


subtype compound_delimiter is vhdl_lexicon.element_name range vhdl_lexicon.arrow ..vhdl_lexicon. box;


subtype separator is vhdl_lexicon.element_name range vhdl_lexicon.horizontal_tab .. vhdl_lexicon.end_file;


   -- SELECTORS 

function is_compound_delimiter ( the_value: in string ) return boolean;


function compound_delimiter_name_is return compound_delimiter;
   -- Exception: raise lexical_name_is_not_known when compound_delimiter_name is not defined 


function is_single_delimiter ( the_character: in character ) return boolean ;


function single_delimiter_name_is return single_delimiter;
   -- Exception: raise lexical_name_is_not_known when single_delimiter_name is not defined


function is_separator ( the_character: in character ) return boolean;


function separator_name_is return separator;
   -- Exception: raise lexical_name_is_not_known when separator_name is not defined 


   -- RESERVE WORD MANAGEMENT

function is_reserve_word ( the_value: in string ) return boolean;


function reserve_word_name_is return reserve_word;
   -- Exception: raise lexical_name_is_not_known when reserve_word_is_not_present 



   -- EXCEPTIONS 

lexical_name_is_not_known: exception;

end vhdl_name;