* data/yacc.c: Output the copyright notive in the header.

[bison.git] / src / symtab.h

diff --git a/src/symtab.h b/src/symtab.h
index 2746643d6bba64fd515e495db48b28104a37a7ba..5fa705937dc04a4388599e70744e0eb2d61e72b8 100644 (file)
--- a/src/symtab.h
+++ b/src/symtab.h
@@ -54,10 +54,17 @@ typedef short symbol_number_t;
 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;
@@ -85,25 +92,42 @@ struct symbol_s
 
 
 /* Fetch (or create) the symbol associated to KEY.  */
-symbol_t *getsym PARAMS ((const char *key));
+symbol_t *symbol_get PARAMS ((const char *key, location_t location));
+
+/* Generate a dummy nonterminal, whose name cannot conflict with the
+   user's names.  */
+symbol_t *dummy_symbol_get PARAMS ((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,
+                             char *type_name, location_t location));
+
+/* Set the DESTRUCTOR associated to SYMBOL.  */
+void symbol_destructor_set PARAMS ((symbol_t *symbol,
+                                   char *destructor, location_t location));
+
+/* 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,
-                                   int prec, associativity assoc));
+                                   int prec, associativity assoc,
+                                   location_t location));
 
 /* Set the CLASS associated to SYMBOL.  */
-void symbol_class_set PARAMS ((symbol_t *symbol, symbol_class class));
+void symbol_class_set PARAMS ((symbol_t *symbol,
+                              symbol_class class, location_t location));
 
 /* Set the USER_TOKEN_NUMBER associated to SYMBOL.  */
-void symbol_user_token_number_set PARAMS ((symbol_t *symbol, int user_number));
+void symbol_user_token_number_set PARAMS ((symbol_t *symbol,
+                                          int user_number,
+                                          location_t location));
 
 
 /* Distinguished symbols.  AXIOM is the real start symbol, that used