* src/lex.c (literalchar): Don't escape the special characters,

[bison.git] / src / output.c

diff --git a/src/output.c b/src/output.c
index 3833ec9e746f5bc258d65ca57ca52a61b83b45ef..f38d63bae36c7ee9601e3024292c3f4dcbfe965e 100644 (file)
--- a/src/output.c
+++ b/src/output.c
@@ -234,22 +234,14 @@ output_rule_data (void)
 
   j = 0;
   for (i = 0; i < nsyms; i++)
-    /* this used to be i<=nsyms, but that output a final "" symbol
-       almost by accident */
     {
+      /* Be sure not to use twice the same quotearg slot. */
+      const char *cp =
+       quotearg_n_style (1, c_quoting_style,
+                         quotearg_style (escape_quoting_style, tags[i]));
       /* Width of the next token, including the two quotes, the coma
         and the space.  */
-      int strsize = 4;
-      char *p;
-
-      for (p = tags[i]; p && *p; p++)
-       if (*p == '"' || *p == '\\' || *p == '\n' || *p == '\t'
-           || *p == '\b')
-         strsize += 2;
-       else if (*p < 040 || *p >= 0177)
-         strsize += 4;
-       else
-         strsize++;
+      int strsize = strlen (cp) + 2;
 
       if (j + strsize > 75)
        {
@@ -257,24 +249,8 @@ output_rule_data (void)
          j = 2;
        }
 
-      obstack_1grow (&output_obstack, '\"');
-      for (p = tags[i]; p && *p; p++)
-       {
-         if (*p == '"' || *p == '\\')
-           obstack_fgrow1 (&output_obstack, "\\%c", *p);
-         else if (*p == '\n')
-           obstack_sgrow (&output_obstack, "\\n");
-         else if (*p == '\t')
-           obstack_sgrow (&output_obstack, "\\t");
-         else if (*p == '\b')
-           obstack_sgrow (&output_obstack, "\\b");
-         else if (*p < 040 || *p >= 0177)
-           obstack_fgrow1 (&output_obstack, "\\%03o", *p);
-         else
-           obstack_1grow (&output_obstack, *p);
-       }
-
-      obstack_sgrow (&output_obstack, "\", ");
+      obstack_sgrow (&output_obstack, cp);
+      obstack_sgrow (&output_obstack, ", ");
       j += strsize;
     }
   /* add a NULL entry to list of tokens */
@@ -959,10 +935,6 @@ output_parser (const char *skel_filename, struct obstack *oout)
            obstack_sgrow (oout, muscle_value);
          else if (!strcmp (muscle_key, "line"))
            obstack_fgrow1 (oout, "%d", line + 1);
-         /* How can lineno be correct after having finished reading
-            input file ? --Marc.  */
-         else if (!strcmp (muscle_key, "input-line"))
-           obstack_fgrow1 (oout, "%d", lineno);
          else
            {
              obstack_sgrow (oout, "%%");