X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/78af9bbcd3cc7904cf304a3da91b45fe9528dd3c..c527b2d4834cad9389a32992c70aafbefe729424:/src/files.c

diff --git a/src/files.c b/src/files.c
index fa31b032..b3064b5a 100644
--- a/src/files.c
+++ b/src/files.c
@@ -30,8 +30,6 @@ FILE *finput = NULL;
 
 struct obstack action_obstack;
 struct obstack attrs_obstack;
-struct obstack table_obstack;
-struct obstack defines_obstack;
 struct obstack guard_obstack;
 struct obstack output_obstack;
 
@@ -41,6 +39,7 @@ const char *spec_name_prefix = "yy";	/* for -p. */
 char *spec_verbose_file = NULL;   /* for --verbose. */
 char *spec_graph_file = NULL;   /* for -g. */
 char *spec_defines_file = NULL; /* for --defines. */
+char *parser_file_name = NULL;
 
 char *infile = NULL;
 char *attrsfile = NULL;
@@ -94,7 +93,7 @@ stringappend (const char *string1, const char *string2)
 | alphanumerical + underscore).                                    |
 `-----------------------------------------------------------------*/
 
-static char *
+char *
 compute_header_macro (void)
 {
   const char *prefix = "BISON_";
@@ -178,26 +177,6 @@ obstack_save (struct obstack *obs, const char *filename)
   xfclose (out);
 }
 
-/*---------------------------------------------------------------------.
-| Output double inclusion protection macros and saves defines_obstack  |
-`---------------------------------------------------------------------*/
-
-static void
-defines_obstack_save (const char *filename)
-{
-  FILE *out = xfopen (filename, "w");
-  size_t size = obstack_object_size (&defines_obstack);
-  char *macro_name = compute_header_macro ();
-
-  fprintf (out, "#ifndef %s\n", macro_name);
-  fprintf (out, "# define %s\n\n", macro_name);
-  fwrite (obstack_finish (&defines_obstack), 1, size, out);
-  fprintf (out, "\n#endif /* not %s */\n", macro_name);
-
-  free (macro_name);
-  xfclose (out);
-}
-
 /*------------------------------------------------------------------.
 | Return the path to the skeleton which locaction might be given in |
 | ENVVAR, otherwise return SKELETON_NAME.                           |
@@ -433,6 +412,9 @@ compute_output_file_names (void)
 {
   compute_base_names ();
 
+  parser_file_name =
+    spec_outfile ? spec_outfile : stringappend (base_name, src_extension);
+
   /* If not yet done. */
   if (!src_extension)
     src_extension = ".c";
@@ -453,40 +435,9 @@ compute_output_file_names (void)
 #ifndef MSDOS
   attrsfile = stringappend (attrsfile, header_extension);
 #endif /* MSDOS */
-
-}
-
-/*-----------------------------------------------------------------.
-| Open the input file.  Look for the skeletons.  Find the names of |
-| the output files.  Prepare the obstacks.                         |
-`-----------------------------------------------------------------*/
-
-void
-open_files (void)
-{
-  finput = xfopen (infile, "r");
-
-  /* Initialize the obstacks. */
-  obstack_init (&action_obstack);
-  obstack_init (&attrs_obstack);
-  obstack_init (&table_obstack);
-  obstack_init (&defines_obstack);
-  obstack_init (&guard_obstack);
-  obstack_init (&output_obstack);
 }
 
 
-
-/*-----------------------.
-| Close the open file..  |
-`-----------------------*/
-
-void
-close_files (void)
-{
-  xfclose (finput);
-}
-
 /*---------------------------.
 | Produce the output files.  |
 `---------------------------*/
@@ -494,18 +445,6 @@ close_files (void)
 void
 output_files (void)
 {
-  /* Output the main file.  */
-  if (spec_outfile)
-    obstack_save (&table_obstack, spec_outfile);
-  else
-    obstack_save (&table_obstack, stringappend (base_name, src_extension));
-  obstack_free (&table_obstack, NULL);
-
-  /* Output the header file if wanted. */
-  if (defines_flag)
-    defines_obstack_save (spec_defines_file);
-  obstack_free (&defines_obstack, NULL);
-
 #if 0
   /* Seems to be invalid now --akim. */
 
@@ -522,12 +461,13 @@ output_files (void)
       char *temp_name;
 
       obstack_save (&attrs_obstack, attrsfile);
-      obstack_free (&attrs_obstack, NULL);
       temp_name = stringappend (short_base_name, EXT_GUARD_C);
 #ifndef MSDOS
       temp_name = stringappend (temp_name, src_extension);
 #endif /* MSDOS */
       obstack_save (&guard_obstack, temp_name);
-      obstack_free (&guard_obstack, NULL);
     }
+
+  obstack_free (&guard_obstack, NULL);
+  obstack_free (&attrs_obstack, NULL);
 }