(AC_PROG_LEX): Use instead of AM_PROG_LEX.

[bison.git] / src / files.c

diff --git a/src/files.c b/src/files.c
index 22f29c1ed06c3f11a38a532900157a00b0e011ca..92573585a491e6d5f92c84ac2159ca86214bffff 100644 (file)
--- a/src/files.c
+++ b/src/files.c
@@ -1,5 +1,5 @@
 /* Open and close files for bison,
 /* Open and close files for bison,

-   Copyright 1984, 1986, 1989, 1992, 2000, 2001, 2002
+   Copyright (C) 1984, 1986, 1989, 1992, 2000, 2001, 2002

    Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
    Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.


@@ -28,13 +28,12 @@
 #include "complain.h"
 
 /* From basename.c.  Almost a lie, as it returns a char *. */
 #include "complain.h"
 
 /* From basename.c.  Almost a lie, as it returns a char *. */

-const char *base_name PARAMS ((char const *name));
+const char *base_name (char const *name);

 
 FILE *finput = NULL;
 
 
 FILE *finput = NULL;
 

-struct obstack action_obstack;
-struct obstack attrs_obstack;
-struct obstack output_obstack;
+struct obstack pre_prologue_obstack;
+struct obstack post_prologue_obstack;

 
 /* Initializing some values below (such SPEC_NAME_PREFIX to `yy') is
    tempting, but don't do that: for the time being our handling of the
 
 /* Initializing some values below (such SPEC_NAME_PREFIX to `yy') is
    tempting, but don't do that: for the time being our handling of the


@@ -52,7 +51,6 @@ char *spec_defines_file = NULL; /* for --defines. */
 char *parser_file_name = NULL;
 
 char *infile = NULL;
 char *parser_file_name = NULL;
 
 char *infile = NULL;

-char *attrsfile = NULL;

 
 static char *full_base_name = NULL;
 
 
 static char *full_base_name = NULL;
 


@@ -101,49 +99,6 @@ stringappend (const char *string1, const char *string2)
   return res;
 }
 
   return res;
 }
 

-
-/*-----------------------------------------------------------------.
-| Computes the macro name used to avoid double inclusion in the    |
-| header of the parser and store it in header_macro_name.  Be sure |
-| to produce valid CPP names (don't start with digit, remain       |
-| alphanumerical + underscore).                                    |
-`-----------------------------------------------------------------*/
-
-char *
-compute_header_macro (void)
-{
-  const char *prefix = "BISON_";
-  char *macro_name, *cp;
-
-  if (spec_defines_file)
-    {
-      macro_name = XMALLOC (char,
-                           strlen (prefix) +
-                           strlen (spec_defines_file) + 1);
-      cp = stpcpy (macro_name, prefix);
-      cp = stpcpy (cp, spec_defines_file);
-    }
-  else
-    {
-      macro_name = XMALLOC (char,
-                           strlen (prefix) +
-                           strlen (full_base_name) +
-                           strlen (header_extension) + 1);
-      cp = stpcpy (macro_name, prefix);
-      cp = stpcpy (cp, full_base_name);
-      cp = stpcpy (cp, header_extension);
-    }
-
-  for (cp = macro_name; *cp; ++cp)
-    if (islower (*cp))
-      *cp = toupper (*cp);
-    else if (!isalnum (*cp))
-      *cp = '_';
-
-  return macro_name;
-}
-
-

 /*-----------------------------------------------------------------.
 | Try to open file NAME with mode MODE, and print an error message |
 | if fails.                                                        |
 /*-----------------------------------------------------------------.
 | Try to open file NAME with mode MODE, and print an error message |
 | if fails.                                                        |


@@ -156,7 +111,7 @@ xfopen (const char *name, const char *mode)
 
   ptr = fopen (name, mode);
   if (!ptr)
 
   ptr = fopen (name, mode);
   if (!ptr)

-    error (2, errno, _("cannot open file `%s'"), name);
+    error (EXIT_FAILURE, errno, _("cannot open file `%s'"), name);

 
   return ptr;
 }
 
   return ptr;
 }


@@ -175,63 +130,10 @@ xfclose (FILE *ptr)
 
   result = fclose (ptr);
   if (result == EOF)
 
   result = fclose (ptr);
   if (result == EOF)

-    error (2, errno, _("cannot close file"));
+    error (EXIT_FAILURE, errno, _("cannot close file"));

 
   return result;
 }
 
   return result;
 }

-
-
-/*------------------------------------------------------------------.
-| Return the path to the skeleton which locaction might be given in |
-| ENVVAR, otherwise return SKELETON_NAME.                           |
-`------------------------------------------------------------------*/
-
-const char *
-skeleton_find (const char *envvar, const char *skeleton_name)
-{
-  const char *res = getenv (envvar);
-
-#if defined (MSDOS) || defined (_WIN32)
-  const char *cp = getenv ("INIT");
-  if (!res)
-    {
-      /* Skeleton file name without path */
-      const char *skel_name = strrchr (skeleton_name, '/');
-      if (!skel_name)
-        skel_name = strrchr (skeleton_name, '\\');
-      if (!skel_name)
-        skel_name = skeleton_name;
-      else
-        ++skel_name;
-
-      /* File doesn't exist in current directory; try in INIT directory.  */
-      if (cp)
-       {
-         res = XMALLOC (char, strlen (cp) + strlen (skel_name) + 2);
-         sprintf (res, "%s%c%s", cp, '\\', skel_name);
-       }
-      else if (access (skel_name, 4) == 0) /* Look in current dir. */
-        res = skel_name;
-      else
-       {
-         /* Look in program locations dir. */
-         extern char *program_name;
-         cp = strrchr(program_name, '\\');
-         if (!cp)
-           return skeleton_name;
-         else
-           ++cp;
-         res = XMALLOC (char, cp - program_name + strlen (skel_name) + 1);
-         strncpy (res, program_name, cp - program_name);
-         strcpy (res + (cp - program_name), skel_name);
-       }
-    }
-#endif /* defined (MSDOS) || defined (_WIN32) */
-  if (!res)
-    res = skeleton_name;
-
-  return res;
-}

 \f
 
 /*----------------------------------------------------------------.
 \f
 
 /*----------------------------------------------------------------.


@@ -386,11 +288,11 @@ compute_base_names (void)
       else
        {
          /* Otherwise, the short base name is computed from the input
       else
        {
          /* Otherwise, the short base name is computed from the input

-            grammar: `foo.yy' => `foo'.  */
+            grammar: `foo/bar.yy' => `bar'.  */

          filename_split (infile, &base, &tab, &ext);
          short_base_name =
          filename_split (infile, &base, &tab, &ext);
          short_base_name =

-           xstrndup (infile,
-                     (strlen (infile) - (ext ? strlen (ext) : 0)));
+           xstrndup (base,
+                     (strlen (base) - (ext ? strlen (ext) : 0)));

        }
 
       /* In these cases, always append `.tab'. */
        }
 
       /* In these cases, always append `.tab'. */


@@ -422,10 +324,10 @@ compute_output_file_names (void)
     src_extension = ".c";
   if (!header_extension)
     header_extension = ".h";
     src_extension = ".c";
   if (!header_extension)
     header_extension = ".h";

-  
+

   parser_file_name =
     spec_outfile ? spec_outfile : stringappend (full_base_name, src_extension);
   parser_file_name =
     spec_outfile ? spec_outfile : stringappend (full_base_name, src_extension);

-  
+

   /* It the defines filename if not given, we create it.  */
   if (!spec_defines_file)
     spec_defines_file = stringappend (full_base_name, header_extension);
   /* It the defines filename if not given, we create it.  */
   if (!spec_defines_file)
     spec_defines_file = stringappend (full_base_name, header_extension);


@@ -435,6 +337,4 @@ compute_output_file_names (void)
     spec_graph_file = stringappend (short_base_name, ".vcg");
 
   spec_verbose_file = stringappend (short_base_name, EXT_OUTPUT);
     spec_graph_file = stringappend (short_base_name, ".vcg");
 
   spec_verbose_file = stringappend (short_base_name, EXT_OUTPUT);

-
-  attrsfile = stringappend (short_base_name, EXT_STYPE_H);

 }
 }