/[bison]/bison/src/symtab.h
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revision 1.29 by akim, Mon Jun 10 08:37:55 2002 UTC revision 1.30 by akim, Tue Jun 11 20:16:05 2002 UTC
# Line 29  Line 29 
29  /* Associativity values for tokens and rules.  */  /* Associativity values for tokens and rules.  */
30  typedef enum  typedef enum
31  {  {
32      undef_assoc,
33    right_assoc,    right_assoc,
34    left_assoc,    left_assoc,
35    non_assoc    non_assoc
# Line 84  struct symbol_s Line 85  struct symbol_s
85  /* Fetch (or create) the symbol associated to KEY.  */  /* Fetch (or create) the symbol associated to KEY.  */
86  symbol_t *getsym PARAMS ((const char *key));  symbol_t *getsym PARAMS ((const char *key));
87    
88  /* Declare the new SYMBOL.  Make it an alias of SYMVAL, and type */  /* Declare the new SYMBOL.  Make it an alias of SYMVAL.  */
89  /* them with TYPENAME.                                           */  void symbol_make_alias PARAMS ((symbol_t *symbol, symbol_t *symval));
 void symbol_make_alias PARAMS ((symbol_t *symbol, symbol_t *symval,  
                                 char *typename));  
90    
91  /* Set the TYPE_NAME associated to SYMBOL. */  /* Set the TYPE_NAME associated to SYMBOL. Does nothing if passed 0 as
92       TYPE_NAME.  */
93  void symbol_type_set PARAMS ((symbol_t *symbol, char *type_name));  void symbol_type_set PARAMS ((symbol_t *symbol, char *type_name));
94    
95  /* Set the PRECEDENCE associated to SYMBOL.  */  /* Set the PRECEDENCE associated to SYMBOL.  Ensures that SYMBOL is a
96       terminal.  Does nothing if invoked with UNDEF_ASSOC as ASSOC.  */
97  void symbol_precedence_set PARAMS ((symbol_t *symbol,  void symbol_precedence_set PARAMS ((symbol_t *symbol,
98                                      int prec, associativity assoc));                                      int prec, associativity assoc));
99    
# Line 131  void symbols_do PARAMS ((symbol_processo Line 132  void symbols_do PARAMS ((symbol_processo
132  /* Free all the memory allocated for symbols.  */  /* Free all the memory allocated for symbols.  */
133  void symbols_free PARAMS ((void));  void symbols_free PARAMS ((void));
134    
135  /* Check that all the symbols are defined.  Report any undefined */  /* Check that all the symbols are defined.  Report any undefined
136  /* symbols and consider them nonterminals.                       */     symbols and consider them nonterminals.  */
137  void symbols_check_defined PARAMS ((void));  void symbols_check_defined PARAMS ((void));
138    
139  /* Perform various sanity checks, assign symbol numbers, and set up  /* Perform various sanity checks, assign symbol numbers, and set up

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