Regen.

[bison.git] / src / reader.h

diff --git a/src/reader.h b/src/reader.h
index 29d95b1d44fd7b50f026c4073fd87d314f0d9161..186b85673c61077c7a473f8ab315b9b674c87560 100644 (file)
--- a/src/reader.h
+++ b/src/reader.h
@@ -21,54 +21,16 @@
 #ifndef READER_H_
 # define READER_H_
 
 #ifndef READER_H_
 # define READER_H_
 

-typedef struct symbol_list
-{
-  struct symbol_list *next;
-  symbol_t *sym;
-  int line;
-
-  /* The action is attached to the LHS of a rule. */
-  const char *action;
-  int action_line;
-
-  symbol_t *ruleprec;
-} symbol_list;
-
+# include "symlist.h"

 # include "parse-gram.h"
 
 # include "parse-gram.h"
 

-typedef int location_t;
-
-/* Initialize LOC. */
-# define LOCATION_RESET(Loc)                  \
-  (Loc).first_column = (Loc).first_line = 1;  \
-  (Loc).last_column =  (Loc).last_line = 1;
-
-/* Advance of NUM columns. */
-# define LOCATION_COLUMNS(Loc, Num)           \
-  (Loc).last_column += Num;
-
-/* Advance of NUM lines. */
-# define LOCATION_LINES(Loc, Num)             \
-  (Loc).last_column = 1;                      \
-  (Loc).last_line += Num;
-
-/* Restart: move the first cursor to the last position. */
-# define LOCATION_STEP(Loc)                   \
-  (Loc).first_column = (Loc).last_column;     \
-  (Loc).first_line = (Loc).last_line;
-
-/* Output LOC on the stream OUT. */
-# define LOCATION_PRINT(Out, Loc)                               \
-  fprintf (stderr, "%s:", infile);                             \
-  if ((Loc).first_line != (Loc).last_line)                      \
-    fprintf (Out, "%d.%d-%d.%d",                                \
-             (Loc).first_line, (Loc).first_column,              \
-             (Loc).last_line, (Loc).last_column - 1);           \
-  else if ((Loc).first_column < (Loc).last_column - 1)          \
-    fprintf (Out, "%d.%d-%d", (Loc).first_line,                 \
-             (Loc).first_column, (Loc).last_column - 1);        \
-  else                                                          \
-    fprintf (Out, "%d.%d", (Loc).first_line, (Loc).first_column)
+typedef struct merger_list
+{
+  struct merger_list* next;
+  const char* name;
+  const char* type;
+}
+merger_list;

 
 typedef struct gram_control_s
 {
 
 typedef struct gram_control_s
 {


@@ -78,37 +40,53 @@ typedef struct gram_control_s
 /* From the scanner.  */
 extern FILE *gram_in;
 extern int gram__flex_debug;
 /* From the scanner.  */
 extern FILE *gram_in;
 extern int gram__flex_debug;

-void scanner_last_string_free PARAMS ((void));
-void scanner_free PARAMS ((void));
+void scanner_last_string_free (void);
+void scanner_initialize (void);
+void scanner_free (void);

 
 # define YY_DECL \
 
 # define YY_DECL \

-  int gram_lex (yystype *yylval, yyltype *yylloc, \
+  int gram_lex (yystype *yylval, location_t *yylloc, \

                gram_control_t *yycontrol)
 YY_DECL;
 
 
 /* From the parser.  */
 extern int gram_debug;
                gram_control_t *yycontrol)
 YY_DECL;
 
 
 /* From the parser.  */
 extern int gram_debug;

-void gram_error (gram_control_t *control,
-                yyltype *loc, const char *msg);
+void gram_error (location_t *loc, const char *msg);

 int gram_parse (void *control);
 
 int gram_parse (void *control);
 

-char *get_type_name PARAMS ((int n, symbol_list *rule));
-extern int typed;
+/* The sort of braced code we are in.  */
+typedef enum braced_code_e
+  {
+    action_braced_code,
+    destructor_braced_code,
+    printer_braced_code
+  } braced_code_t;
+/* FIXME: This is really a dirty hack which demonstrates that we
+   should probably not try to parse the actions now.  */
+extern braced_code_t current_braced_code;
+

 
 /* From reader.c. */
 
 /* From reader.c. */

-void grammar_start_symbol_set PARAMS ((symbol_t *s));
-void prologue_augment PARAMS ((const char *prologue, location_t location));
-void epilogue_set PARAMS ((const char *epilogue, location_t location));
-void grammar_symbol_append PARAMS ((symbol_t *s));
-void grammar_rule_begin PARAMS ((symbol_t *lhs));
-void grammar_rule_end PARAMS ((void));
-void grammar_midrule_action PARAMS ((void));
-void grammar_current_rule_prec_set PARAMS ((symbol_t *precsym));
-void grammar_current_rule_symbol_append PARAMS ((symbol_t *symbol));
-void grammar_current_rule_action_append PARAMS ((const char *action,
-                                                int line));
-extern symbol_list *current_rule;
-void reader PARAMS ((void));
+void grammar_start_symbol_set (symbol_t *s, location_t l);
+void prologue_augment (const char *prologue, location_t location);
+void epilogue_set (const char *epilogue, location_t location);
+void grammar_symbol_append (symbol_t *s, location_t l);
+void grammar_rule_begin (symbol_t *lhs, location_t l);
+void grammar_rule_end (location_t l);
+void grammar_midrule_action (void);
+void grammar_current_rule_prec_set (symbol_t *precsym, location_t l);
+void grammar_current_rule_dprec_set (int dprec, location_t l);
+void grammar_current_rule_merge_set (const char* name, location_t l);
+
+void grammar_current_rule_symbol_append (symbol_t *symbol, location_t l);
+void grammar_current_rule_action_append (const char *action, location_t l);
+extern symbol_list_t *current_rule;
+void reader (void);
+void free_merger_functions (void);
+
+extern merger_list *merge_functions;
+
+extern int typed;

 
 #endif /* !READER_H_ */
 
 #endif /* !READER_H_ */