* src/reader.c (copy_definition, parse_union_decl): Update and use

[bison.git] / src / reader.c

diff --git a/src/reader.c b/src/reader.c
index d7145da7699fe49fccd1799ad5e24ed3c9ca7592..5344837a1a6f47f977485db1076f68f6a8f87ddc 100644 (file)
--- a/src/reader.c
+++ b/src/reader.c
@@ -28,13 +28,14 @@
 #include "files.h"
 #include "xalloc.h"
 #include "symtab.h"
 #include "files.h"
 #include "xalloc.h"
 #include "symtab.h"

+#include "options.h"

 #include "lex.h"
 #include "gram.h"
 #include "complain.h"
 #include "output.h"
 #include "reader.h"
 #include "conflicts.h"
 #include "lex.h"
 #include "gram.h"
 #include "complain.h"
 #include "output.h"
 #include "reader.h"
 #include "conflicts.h"

-#include "macrotab.h"
+#include "muscle_tab.h"

 
 /* Number of slots allocated (but not necessarily used yet) in `rline'  */
 static int rline_allocated;
 
 /* Number of slots allocated (but not necessarily used yet) in `rline'  */
 static int rline_allocated;


@@ -428,8 +429,11 @@ copy_definition (void)
 
 #if 0
   if (!no_lines_flag)
 
 #if 0
   if (!no_lines_flag)

-    obstack_fgrow2 (&attrs_obstack, "#line %d %s\n",
-                   lineno, quotearg_style (c_quoting_style, infile));
+    {
+      obstack_fgrow2 (&attrs_obstack, muscle_find ("linef"),
+                     lineno, quotearg_style (c_quoting_style, 
+                                             muscle_find("filename")));
+    }

 #endif
 
   after_percent = 0;
 #endif
 
   after_percent = 0;


@@ -747,12 +751,16 @@ parse_union_decl (void)
 
   typed = 1;
 
 
   typed = 1;
 

+

   if (!no_lines_flag)
   if (!no_lines_flag)

-    obstack_fgrow2 (&attrs_obstack, "\n#line %d %s\n",
-                   lineno, quotearg_style (c_quoting_style, infile));
+    {
+      obstack_fgrow2 (&attrs_obstack, muscle_find ("linef"),
+                     lineno, quotearg_style (c_quoting_style, 
+                                             muscle_find("filename")));
+    }

   else
     obstack_1grow (&attrs_obstack, '\n');
   else
     obstack_1grow (&attrs_obstack, '\n');

-
+  

   obstack_sgrow (&attrs_obstack, "typedef union");
   if (defines_flag)
     obstack_sgrow (&defines_obstack, "typedef union");
   obstack_sgrow (&attrs_obstack, "typedef union");
   if (defines_flag)
     obstack_sgrow (&defines_obstack, "typedef union");


@@ -902,11 +910,11 @@ parse_thong_decl (void)
 /* FIXME. */
 
 static void
 /* FIXME. */
 
 static void

-parse_macro_decl (void)
+parse_muscle_decl (void)

 {
   int ch = ungetc (skip_white_space (), finput);
 {
   int ch = ungetc (skip_white_space (), finput);

-  char* macro_key;
-  char* macro_value;
+  char* muscle_key;
+  char* muscle_value;

 
   /* Read key. */
   if (!isalpha (ch) && ch != '_')
 
   /* Read key. */
   if (!isalpha (ch) && ch != '_')


@@ -915,9 +923,9 @@ parse_macro_decl (void)
       skip_to_char ('%');
       return;
     }
       skip_to_char ('%');
       return;
     }

-  copy_identifier (finput, &macro_obstack);
-  obstack_1grow (&macro_obstack, 0);
-  macro_key = obstack_finish (&macro_obstack);
+  copy_identifier (finput, &muscle_obstack);
+  obstack_1grow (&muscle_obstack, 0);
+  muscle_key = obstack_finish (&muscle_obstack);

   
   /* Read value. */
   ch = skip_white_space ();
   
   /* Read value. */
   ch = skip_white_space ();


@@ -933,12 +941,12 @@ parse_macro_decl (void)
       else
        fatal (_("Premature EOF after %s"), "\"");
     }
       else
        fatal (_("Premature EOF after %s"), "\"");
     }

-  copy_string2 (finput, &macro_obstack, '"', 0);
-  obstack_1grow (&macro_obstack, 0);
-  macro_value = obstack_finish (&macro_obstack);
+  copy_string2 (finput, &muscle_obstack, '"', 0);
+  obstack_1grow (&muscle_obstack, 0);
+  muscle_value = obstack_finish (&muscle_obstack);

 
   /* Store the (key, value) pair in the environment. */
 
   /* Store the (key, value) pair in the environment. */

-  macro_insert (macro_key, macro_value);
+  muscle_insert (muscle_key, muscle_value);

 }
 
 
 }
 
 


@@ -1060,7 +1068,7 @@ read_declarations (void)
              break;
 
            case tok_define:
              break;
 
            case tok_define:

-             parse_macro_decl ();
+             parse_muscle_decl ();

              break;
              
            case tok_skel:
              break;
              
            case tok_skel:


@@ -1105,14 +1113,13 @@ copy_action (symbol_list *rule, int stack_offset)
   if (semantic_parser)
     stack_offset = 0;
 
   if (semantic_parser)
     stack_offset = 0;
 

-  sprintf (buf, "\ncase %d:\n", nrules);
-  obstack_grow (&action_obstack, buf, strlen (buf));
+  obstack_fgrow1 (&action_obstack, "\ncase %d:\n", nrules);

 
   if (!no_lines_flag)
     {
 
   if (!no_lines_flag)
     {

-      sprintf (buf, "#line %d %s\n",
-              lineno, quotearg_style (c_quoting_style, infile));
-      obstack_grow (&action_obstack, buf, strlen (buf));
+      obstack_fgrow2 (&action_obstack, muscle_find ("linef"),
+                     lineno, quotearg_style (c_quoting_style, 
+                                             muscle_find ("filename")));

     }
   obstack_1grow (&action_obstack, '{');
 
     }
   obstack_1grow (&action_obstack, '{');
 


@@ -1198,8 +1205,9 @@ copy_guard (symbol_list *rule, int stack_offset)
 
   obstack_fgrow1 (&guard_obstack, "\ncase %d:\n", nrules);
   if (!no_lines_flag)
 
   obstack_fgrow1 (&guard_obstack, "\ncase %d:\n", nrules);
   if (!no_lines_flag)

-    obstack_fgrow2 (&guard_obstack, "#line %d %s\n",
-                   lineno, quotearg_style (c_quoting_style, infile));
+    obstack_fgrow2 (&guard_obstack, muscle_find ("linef"),
+                   lineno, quotearg_style (c_quoting_style,
+                                           muscle_find ("filename")));

   obstack_1grow (&guard_obstack, '{');
 
   count = 0;
   obstack_1grow (&guard_obstack, '{');
 
   count = 0;


@@ -1650,24 +1658,6 @@ readgram (void)
   if (nrules == 0)
     fatal (_("no rules in the input grammar"));
 
   if (nrules == 0)
     fatal (_("no rules in the input grammar"));
 

-#if 0 /* This code is in the skeleton now.  */
-  /* JF put out same default YYSTYPE as YACC does */
-  if (typed == 0
-      && !value_components_used)
-    {
-      /* We used to use `unsigned long' as YYSTYPE on MSDOS,
-         but it seems better to be consistent.
-         Most programs should declare their own type anyway.  */
-      obstack_sgrow (&attrs_obstack,
-                          "#ifndef YYSTYPE\n#define YYSTYPE int\n#endif\n");
-      if (defines_flag)
-       obstack_sgrow (&defines_obstack, "\
-# ifndef YYSTYPE\n\
-#  define YYSTYPE int\n\
-# endif\n");
-    }
-#endif
-

   /* Report any undefined symbols and consider them nonterminals.  */
 
   for (bp = firstsymbol; bp; bp = bp->next)
   /* Report any undefined symbols and consider them nonterminals.  */
 
   for (bp = firstsymbol; bp; bp = bp->next)


@@ -1684,21 +1674,21 @@ readgram (void)
 }
 
 /* At the end of the grammar file, some C source code must
 }
 
 /* At the end of the grammar file, some C source code must

-   be stored. It is going to be associated to the user_code
+   be stored. It is going to be associated to the epilogue

    directive.  */
 static void
 read_additionnal_code (void)
 {
   char c;
    directive.  */
 static void
 read_additionnal_code (void)
 {
   char c;

-  struct obstack uc_obstack;
+  struct obstack el_obstack;

   
   

-  obstack_init (&uc_obstack);
+  obstack_init (&el_obstack);

 
   while ((c = getc (finput)) != EOF)
 
   while ((c = getc (finput)) != EOF)

-    obstack_1grow (&uc_obstack, c);
+    obstack_1grow (&el_obstack, c);

   
   

-  obstack_1grow (&uc_obstack, 0);
-  macro_insert ("user_code", obstack_finish (&uc_obstack));
+  obstack_1grow (&el_obstack, 0);
+  muscle_insert ("epilogue", obstack_finish (&el_obstack));

 }
 
 \f
 }
 
 \f


@@ -1747,8 +1737,6 @@ output_token_defines (struct obstack *oout)
       if (semantic_parser)
        obstack_fgrow2 (oout, "# define\tT%s\t%d\n", symbol, bp->value);
     }
       if (semantic_parser)
        obstack_fgrow2 (oout, "# define\tT%s\t%d\n", symbol, bp->value);
     }

-
-  /* obstack_1grow (oout, '\n'); */

 }
 
 
 }
 
 


@@ -1767,8 +1755,6 @@ packsymbols (void)
   int last_user_token_number;
   static char DOLLAR[] = "$";
 
   int last_user_token_number;
   static char DOLLAR[] = "$";
 

-  /* int lossage = 0; JF set but not used */
-

   tags = XCALLOC (char *, nsyms + 1);
   tags[0] = DOLLAR;
   user_toknums = XCALLOC (short, nsyms + 1);
   tags = XCALLOC (char *, nsyms + 1);
   tags[0] = DOLLAR;
   user_toknums = XCALLOC (short, nsyms + 1);


@@ -1872,10 +1858,12 @@ packsymbols (void)
 
   output_token_defines (&output_obstack);
   obstack_1grow (&output_obstack, 0);
 
   output_token_defines (&output_obstack);
   obstack_1grow (&output_obstack, 0);

-  macro_insert ("tokendef", obstack_finish (&output_obstack));
+  muscle_insert ("tokendef", obstack_finish (&output_obstack));

 
 

-  /* if (!no_parser_flag)
-     output_token_defines (&table_obstack); */
+#if 0
+  if (!no_parser_flag)
+    output_token_defines (&table_obstack);
+#endif

 
   if (startval->class == unknown_sym)
     fatal (_("the start symbol %s is undefined"), startval->tag);
 
   if (startval->class == unknown_sym)
     fatal (_("the start symbol %s is undefined"), startval->tag);


@@ -2022,8 +2010,8 @@ reader (void)
   init_lex ();
   lineno = 1;
 
   init_lex ();
   lineno = 1;
 

-  /* Initialize the macro obstack.  */
-  obstack_init (&macro_obstack);
+  /* Initialize the muscle obstack.  */
+  obstack_init (&muscle_obstack);

 
   /* Initialize the symbol table.  */
   tabinit ();
 
   /* Initialize the symbol table.  */
   tabinit ();


@@ -2043,27 +2031,16 @@ reader (void)
      TABLE_OBSTACK and FDEFINES file.  Also notice any %token, %left,
      etc. found there.  */
   read_declarations ();
      TABLE_OBSTACK and FDEFINES file.  Also notice any %token, %left,
      etc. found there.  */
   read_declarations ();

-  /* Start writing the guard and action files, if they are needed.  */
-#if 0
-  output_headers ();
-#endif

   /* Read in the grammar, build grammar in list form.  Write out
      guards and actions.  */
   readgram ();
   /* Some C code is given at the end of the grammar file. */
   read_additionnal_code ();
   /* Read in the grammar, build grammar in list form.  Write out
      guards and actions.  */
   readgram ();
   /* Some C code is given at the end of the grammar file. */
   read_additionnal_code ();

+

   /* Now we know whether we need the line-number stack.  If we do,
   /* Now we know whether we need the line-number stack.  If we do,

-     write its type into the .tab.h file.  */
-#if 0
-  if (defines_flag)
-    reader_output_yylsp (&defines_obstack);
-#endif
-  /* Write closing delimiters for actions and guards.  */
-#if 0
-  output_trailers (); 
-  if (locations_flag)
-    obstack_sgrow (&table_obstack, "#define YYLSP_NEEDED 1\n\n");
-#endif
+     write its type into the .tab.h file.
+     This is no longer need with header skeleton.  */
+

   /* Assign the symbols their symbol numbers.  Write #defines for the
      token symbols into FDEFINES if requested.  */
   packsymbols ();
   /* Assign the symbols their symbol numbers.  Write #defines for the
      token symbols into FDEFINES if requested.  */
   packsymbols ();