style: factor complex expressions

* src/print-xml.c, src/print.c: Introduce a variable pointing to the
current symbol.

2 files changed, 14 insertions, 11 deletions

diff --git a/src/print-xml.c b/src/print-xml.c
index 8bb43bb3..de4bf141 100644
--- a/src/print-xml.c
+++ b/src/print-xml.c
@@ -382,9 +382,10 @@ print_grammar (FILE *out, int level)
   for (int i = 0; i < max_code + 1; i++)
     if (token_translations[i] != undeftoken->content->number)
       {
-        char const *tag = symbols[token_translations[i]]->tag;
-        int precedence = symbols[token_translations[i]]->content->prec;
-        assoc associativity = symbols[token_translations[i]]->content->assoc;
+        symbol const *sym = symbols[token_translations[i]];
+        char const *tag = sym->tag;
+        int precedence = sym->content->prec;
+        assoc associativity = sym->content->assoc;
         xml_indent (out, level + 2);
         fprintf (out,
                  "<terminal symbol-number=\"%d\" token-number=\"%d\""
@@ -404,7 +405,8 @@ print_grammar (FILE *out, int level)
   xml_puts (out, level + 1, "<nonterminals>");
   for (symbol_number i = ntokens; i < nsyms + nuseless_nonterminals; i++)
     {
-      char const *tag = symbols[i]->tag;
+      symbol const *sym = symbols[i];
+      char const *tag = sym->tag;
       xml_printf (out, level + 2,
                   "<nonterminal symbol-number=\"%d\" name=\"%s\""
                   " usefulness=\"%s\"/>",
diff --git a/src/print.c b/src/print.c
index 556bbc11..257eef25 100644
--- a/src/print.c
+++ b/src/print.c
@@ -377,11 +377,11 @@ print_terminal_symbols (FILE *out)
   for (int i = 0; i < max_code + 1; ++i)
     if (token_translations[i] != undeftoken->content->number)
       {
-        const char *tag = symbols[token_translations[i]]->tag;
+        const symbol *sym = symbols[token_translations[i]];
+        const char *tag = sym->tag;
         fprintf (out, "%4s%s", "", tag);
-        if (symbols[token_translations[i]]->content->type_name)
-          fprintf (out, " <%s>",
-                   symbols[token_translations[i]]->content->type_name);
+        if (sym->content->type_name)
+          fprintf (out, " <%s>", sym->content->type_name);
         fprintf (out, " (%d)", i);
 
         for (rule_number r = 0; r < nrules; r++)
@@ -403,7 +403,8 @@ print_nonterminal_symbols (FILE *out)
   fprintf (out, "%s\n\n", _("Nonterminals, with rules where they appear"));
   for (symbol_number i = ntokens; i < nsyms; i++)
     {
-      const char *tag = symbols[i]->tag;
+      const symbol *sym = symbols[i];
+      const char *tag = sym->tag;
       bool on_left = false;
       bool on_right = false;
 
@@ -418,9 +419,9 @@ print_nonterminal_symbols (FILE *out)
 
       int column = 4 + mbswidth (tag, 0);
       fprintf (out, "%4s%s", "", tag);
-      if (symbols[i]->content->type_name)
+      if (sym->content->type_name)
         column += fprintf (out, " <%s>",
-                           symbols[i]->content->type_name);
+                           sym->content->type_name);
       fprintf (out, " (%d)\n", i);
 
       if (on_left)