absyntax_utils/type_initial_value.hh
changeset 762 a3d917474ae4
parent 433 1355adcdad58
child 925 a942c55fb769
equal deleted inserted replaced
761:7b52623a2f37 762:a3d917474ae4
    57  *       is therefore a singleton.
    57  *       is therefore a singleton.
    58  */
    58  */
    59 
    59 
    60 class type_initial_value_c : public null_visitor_c {
    60 class type_initial_value_c : public null_visitor_c {
    61 
    61 
       
    62   public:
       
    63     static symbol_c *get(symbol_c *type);
       
    64 
    62   private:
    65   private:
    63     static type_initial_value_c *_instance;
       
    64     /* constants for the default values of elementary data types... */
    66     /* constants for the default values of elementary data types... */
    65     static real_c		*real_0;
    67     static real_c		*real_0;
    66     static integer_c		*integer_0, *integer_1;
    68     static integer_c		*integer_0, *integer_1;
    67     static boolean_literal_c	*bool_0;
    69     static boolean_literal_c	*bool_0;
    68     static date_literal_c	*date_literal_0;
    70     static date_literal_c	*date_literal_0;
    72     static time_of_day_c	*tod_0;
    74     static time_of_day_c	*tod_0;
    73     static date_and_time_c	*dt_0;
    75     static date_and_time_c	*dt_0;
    74     static single_byte_character_string_c *string_0;
    76     static single_byte_character_string_c *string_0;
    75     static double_byte_character_string_c *wstring_0;
    77     static double_byte_character_string_c *wstring_0;
    76 
    78 
    77   public:
       
    78     static type_initial_value_c *instance(void);
       
    79 
       
    80   protected:
    79   protected:
    81     type_initial_value_c(void);
    80     type_initial_value_c(void);
    82 
    81 
    83   public:
       
    84     symbol_c *get(identifier_c *type_name);
       
    85 
       
    86 
       
    87   private:
    82   private:
       
    83     static type_initial_value_c *_instance;
       
    84     static type_initial_value_c *instance(void);
    88     void *handle_type_spec(symbol_c *base_type_name, symbol_c *type_spec_init);
    85     void *handle_type_spec(symbol_c *base_type_name, symbol_c *type_spec_init);
    89 
    86 
    90   private:
    87   private:
    91     void *visit(identifier_c *type_name);
    88     void *visit(identifier_c *type_name);
    92 
    89