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xml: beware of user strings used to give a %prec to rules.

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* tests/conflicts.at (%prec with user strings): New.
	* src/gram.c (grammar_rules_print_xml): Escape the precedence for
	XML output.
This commit is contained in:
Akim Demaille
2009-06-11 14:45:10 +02:00
parent 04d1e39dd3
commit 44bb908485
3 changed files with 30 additions and 5 deletions
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5
src/gram.c
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@@ -1,7 +1,7 @@
/* Allocate input grammar variables for Bison.
Copyright (C) 1984, 1986, 1989, 2001, 2002, 2003, 2005, 2006
2007, 2008 Free Software Foundation, Inc.
2007, 2008, 2009 Free Software Foundation, Inc.
This file is part of Bison, the GNU Compiler Compiler.
@@ -224,7 +224,8 @@ grammar_rules_print_xml (FILE *out, int level)
fprintf (out, "<rule number=\"%d\" usefulness=\"%s\"",
rules[r].number, usefulness);
if (rules[r].precsym)
fprintf (out, " percent_prec=\"%s\"", rules[r].precsym->tag);
fprintf (out, " percent_prec=\"%s\"",
xml_escape (rules[r].precsym->tag));
fputs (">\n", out);
}
rule_lhs_print_xml (&rules[r], out, level + 3);