(grammar_rule_check): Rewrite slightly to avoid GCC warnings.

[bison.git] / ChangeLog

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+2005-12-27  Paul Eggert  <eggert@cs.ucla.edu>
+
+       * src/reader.c (grammar_midrule_action, grammar_symbol_append):
+       Remove unnecessary forward static decls.
+
+2005-12-27  Akim Demaille  <akim@epita.fr>
+
+       * src/reader.c (grammar_current_rule_check): Also check that $$
+       is used.
+       Take the rule to check as argument, hence rename as...
+       (grammar_rule_check): this.
+       * src/reader.h, src/reader.c (grammar_rule_begin, grammar_rule_end):
+       Rename as...
+       (grammar_rule_begin, grammar_rule_end): these, for consistency.
+       (grammar_midrule_action, grammar_symbol_append): Now static.
+       * tests/torture.at (input): Don't rely on the default action
+       being always performed.
+       * tests/calc.at: "Set" $$ even when the action is "cut" with
+       YYERROR or other.
+       * tests/actions.at (Exotic Dollars): Instead of using unused
+       values, check that the warning is issued.
+
+2005-12-22  Paul Eggert  <eggert@cs.ucla.edu>
+
+       * NEWS: Improve wording for unused-value warnings.
+
+2005-12-22  Akim Demaille  <akim@epita.fr>
+
+       * data/lalr1.cc, data/yacc.c, data/glr.c, data/c.m4
+       (b4_yysymprint_generate): Rename as...
+       (b4_yy_symbol_print_generate): this.
+       Generate yy_symbol_print instead of yysymprint.
+       Generate also yy_symbol_value_print, and use it.
+
+2005-12-22  Akim Demaille  <akim@epita.fr>
+
+       * NEWS: Warn about unused values.
+       * src/symlist.h, src/symlist.c (symbol_list, symbol_list_new): Add
+       a `used' member.
+       (symbol_list_n_get, symbol_list_n_used_set): New.
+       (symbol_list_n_type_name_get): Use symbol_list_n_get.
+       * src/scan-gram.l (handle_action_dollar): Flag used symbols.
+       * src/reader.c (grammar_current_rule_check): Check that values are
+       used.
+       * src/symtab.c (symbol_print): Accept 0.
+       * tests/existing.at: Remove the type information.
+       Empty the actions.
+       Remove useless actions (beware of mid-rule actions: perl -000
+       -pi -e 's/\s*\{\}(?=[\n\s]*[|;])//g').
+       * tests/actions.at (Exotic Dollars): Use unused values.
+       * tests/calc.at: Likewise.
+       * tests/glr-regression.at (No users destructors if stack 0 deleted):
+       Likewise.
+
+       * src/gram.c (rule_useful_p, rule_never_reduced_p): Use
+       rule_useful_p.
+

 2005-12-21  Paul Eggert  <eggert@cs.ucla.edu>
 
        Undo 2005-12-01 tentative license wording change.  The wording is
 2005-12-21  Paul Eggert  <eggert@cs.ucla.edu>
 
        Undo 2005-12-01 tentative license wording change.  The wording is