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Don't let %prec take a nonterminal.

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* src/reader.c (grammar_current_rule_prec_set): Make the %prec symbol a
token.
* tests/input.at (%prec takes a token): New test checking that %prec
won't take a nonterminal.
This commit is contained in:
Joel E. Denny
2006-11-17 20:07:08 +00:00
parent b0f4c4eaa1
commit 26b8a43805
3 changed files with 30 additions and 0 deletions
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src/reader.c
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@@ -387,6 +387,7 @@ grammar_midrule_action (void)
void
grammar_current_rule_prec_set (symbol *precsym, location loc)
{
symbol_class_set (precsym, token_sym, loc, false);
if (current_rule->ruleprec)
complain_at (loc, _("only one %s allowed per rule"), "%prec");
current_rule->ruleprec = precsym;