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parsetl: fix crash in debug-mode

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Fixes #193, reported by Etienne Renault.

* spot/parsetl/parsetl.yy: Clone printed formulas.
* tests/core/parse.test: Add test case.
* NEWS: Mention the issue.
This commit is contained in:
Alexandre Duret-Lutz 2016-10-29 13:13:09 +02:00
parent a5fb5784f6
commit 40ed12050b
3 changed files with 9 additions and 4 deletions
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4
spot/parsetl/parsetl.yy
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@ -236,8 +236,8 @@ using namespace spot;
%destructor { $$->destroy(); } <ltl>
%printer { debug_stream() << *$$; } <str>
%printer { print_psl(debug_stream(), formula($$)); } <ltl>
%printer { print_sere(debug_stream(), formula($$)); } sere bracedsere
%printer { print_psl(debug_stream(), formula($$->clone())); } <ltl>
%printer { print_sere(debug_stream(), formula($$->clone())); } sere bracedsere
%printer { debug_stream() << $$; } <num>
%printer { debug_stream() << $$.min << ".." << $$.max; } <minmax>