[patch] gram.c: Print tokens in grammar_dump

[kaneko y]

I feel it's helpful to print Tokens in grammar_dump likewise Variables
in grammar_dump.

How do you think about it?


commit 5b52c99ac76923401b93d9bc6d05b3e206a2c0d7 (HEAD -> print_tokens)
Author: Yuichiro Kaneko <address@hidden>
Date:   Tue Oct 22 12:18:32 2019 +0900

    gram.c: Print tokens in grammar_dump

    * src/gram.c (grammar_dump): Print tokens likewise variables
    * tests/sets.at (Reduced Grammar): Update test case to
      catch up the change.

diff --git a/src/gram.c b/src/gram.c
index 5753f70f..e8c79263 100644
--- a/src/gram.c
+++ b/src/gram.c
@@ -259,6 +259,17 @@ grammar_dump (FILE *out, const char *title)
            "ntokens = %d, nvars = %d, nsyms = %d, nrules = %d, nritems =
%d\n\n",
            ntokens, nvars, nsyms, nrules, nritems);

+  fprintf (out, "Tokens\n---------\n\n");
+  {
+    fprintf (out, "Value  Sprec  Sassoc  Tag\n");
+
+    for (symbol_number i = 0; i < ntokens; i++)
+      fprintf (out, "%5d  %5d   %5d  %s\n",
+               i,
+               symbols[i]->content->prec, symbols[i]->content->assoc,
+               symbols[i]->tag);
+    fprintf (out, "\n\n");
+  }

   fprintf (out, "Variables\n---------\n\n");
   {
diff --git a/tests/sets.at b/tests/sets.at
index 5dbc50dc..80f95aac 100644
--- a/tests/sets.at
+++ b/tests/sets.at
@@ -329,6 +329,19 @@ Reduced Grammar

 ntokens = 7, nvars = 4, nsyms = 11, nrules = 6, nritems = 17

+Tokens
+---------
+
+Value  Sprec  Sassoc  Tag
+    0      0       0  $end
+    1      0       0  error
+    2      0       0  $undefined
+    3      0       0  "+"
+    4      0       0  "*"
+    5      0       0  "useless"
+    6      0       0  "num"
+
+
 Variables
 ---------