typedef struct symbol_s symbol_t;
struct symbol_s
{
- /* The key, name of the symbol. */
+ /* The key, name of the symbol. */
char *tag;
- /* Its type. */
+ /* The location of its first occurence. */
+ location_t location;
+
+ /* Its %type and associated printer and destructor. */
char *type_name;
+ char *destructor;
+ location_t destructor_location;
+ char *printer;
+ location_t printer_location;
symbol_number_t number;
short prec;
#define NUMBER_UNDEFINED ((symbol_number_t) -1)
+/* Return the tag of this SYMBOL in a printable form. Warning: uses
+ the QUOTEARG slot 0. */
+const char *symbol_tag_get PARAMS ((symbol_t *symbol));
+
+/* Return the tag of this SYMBOL in a printable form. Use the
+ QUOTEARG slot number N. */
+const char *symbol_tag_get_n PARAMS ((symbol_t *symbol, int n));
+
+/* Print the tag of this SYMBOL. */
+void symbol_tag_print PARAMS ((symbol_t *symbol, FILE *out));
+
/* Fetch (or create) the symbol associated to KEY. */
-symbol_t *getsym PARAMS ((const char *key));
+symbol_t *getsym PARAMS ((const char *key, location_t location));
/* Declare the new SYMBOL. Make it an alias of SYMVAL. */
void symbol_make_alias PARAMS ((symbol_t *symbol, symbol_t *symval));
/* Set the TYPE_NAME associated to SYMBOL. Does nothing if passed 0 as
TYPE_NAME. */
-void symbol_type_set PARAMS ((symbol_t *symbol, char *type_name));
+void symbol_type_set PARAMS ((symbol_t *symbol, location_t location,
+ char *type_name));
+
+/* Set the DESTRUCTOR associated to SYMBOL. */
+void symbol_destructor_set PARAMS ((symbol_t *symbol, location_t location,
+ char *destructor));
+
+/* Set the PRINTER associated to SYMBOL. */
+void symbol_printer_set PARAMS ((symbol_t *symbol,
+ char *printer, location_t location));
/* Set the PRECEDENCE associated to SYMBOL. Ensures that SYMBOL is a
terminal. Does nothing if invoked with UNDEF_ASSOC as ASSOC. */
-void symbol_precedence_set PARAMS ((symbol_t *symbol,
+void symbol_precedence_set PARAMS ((symbol_t *symbol, location_t location,
int prec, associativity assoc));
/* Set the CLASS associated to SYMBOL. */