* HACKING (Release Procedure): Recommend a secure automake.

[bison.git] / src / symtab.h

diff --git a/src/symtab.h b/src/symtab.h
index b12c421ad0576e945ecde0482663578dbec91178..feb78fb18b3dec8a1bd08bc78543969f9f338ae0 100644 (file)
--- a/src/symtab.h
+++ b/src/symtab.h
@@ -85,9 +85,9 @@ struct symbol
   assoc assoc;
   int user_token_number;
 
   assoc assoc;
   int user_token_number;
 

-  /* Points to the other in the identifier-symbol pair for an alias.
-     Special value USER_NUMBER_ALIAS in the identifier half of the
-     identifier-symbol pair for an alias.  */
+  /* Points to the other in the symbol-string pair for an alias.
+     Special value USER_NUMBER_HAS_STRING_ALIAS in the symbol half of the
+     symbol-string pair for an alias.  */

   symbol *alias;
   symbol_class class;
   bool declared;
   symbol *alias;
   symbol_class class;
   bool declared;


@@ -96,11 +96,11 @@ struct symbol
 /** Undefined user number.  */
 #define USER_NUMBER_UNDEFINED -1
 
 /** Undefined user number.  */
 #define USER_NUMBER_UNDEFINED -1
 

-/* `symbol->user_token_number == USER_NUMBER_ALIAS' means this symbol
-   *has* (not is) a string literal alias.  For instance, `%token foo
+/* `symbol->user_token_number == USER_NUMBER_HAS_STRING_ALIAS' means
+   this symbol has a literal string alias.  For instance, `%token foo

    "foo"' has `"foo"' numbered regularly, and `foo' numbered as
    "foo"' has `"foo"' numbered regularly, and `foo' numbered as

-   USER_NUMBER_ALIAS.  */
-#define USER_NUMBER_ALIAS -9991
+   USER_NUMBER_HAS_STRING_ALIAS.  */
+#define USER_NUMBER_HAS_STRING_ALIAS -9991

 
 /* Undefined internal token number.  */
 #define NUMBER_UNDEFINED (-1)
 
 /* Undefined internal token number.  */
 #define NUMBER_UNDEFINED (-1)


@@ -122,17 +122,17 @@ symbol *dummy_symbol_get (location loc);
 /** Is this a dummy nonterminal?  */
 bool symbol_is_dummy (const symbol *sym);
 
 /** Is this a dummy nonterminal?  */
 bool symbol_is_dummy (const symbol *sym);
 

-/** Declare the new symbol \c sym.  Make it an alias of \c symval.  */
-void symbol_make_alias (symbol *sym, symbol *symval, location loc);
+/**
+ * Make \c str the literal string alias of \c sym.  Copy token number,
+ * symbol number, and type from \c sym to \c str.
+ */
+void symbol_make_alias (symbol *sym, symbol *str, location loc);

 
 /** Set the \c type_name associated with \c sym.
 
     Do nothing if passed 0 as \c type_name.  */
 void symbol_type_set (symbol *sym, uniqstr type_name, location loc);
 
 
 /** Set the \c type_name associated with \c sym.
 
     Do nothing if passed 0 as \c type_name.  */
 void symbol_type_set (symbol *sym, uniqstr type_name, location loc);
 

-/** Get the \c class string associated with \c sym.  */
-const char *symbol_class_get_string (symbol *sym);
-

 /** Set the \c destructor associated with \c sym.  */
 void symbol_destructor_set (symbol *sym, code_props const *destructor);
 
 /** Set the \c destructor associated with \c sym.  */
 void symbol_destructor_set (symbol *sym, code_props const *destructor);