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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 75c7a52a31
commit 517cb0ad9c
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 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);