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dot: allow extra configuration via environment

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* src/tgbaalgos/dotty.cc, src/taalgos/dotty.cc: Honnor the SPOT_DOTEXTRA
environement variable.
* src/tgbatest/readsave.test, wrap/python/tests/automata.ipynb: Test it.
* NEWS, src/bin/man/spot-x.x: Document it.
This commit is contained in:
Alexandre Duret-Lutz 2015-03-16 17:19:37 +01:00
parent b6762b7dc9
commit 7caf2b83d6
6 changed files with 77 additions and 45 deletions
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8
src/taalgos/dotty.cc
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@ -1,5 +1,5 @@
// -*- coding: utf-8 -*-
// Copyright (C) 2010, 2012, 2014 Laboratoire de Recherche et
// Copyright (C) 2010, 2012, 2014, 2015 Laboratoire de Recherche et
// Developpement de l Epita (LRDE).
//
// This file is part of Spot, a model checking library.
@ -39,7 +39,11 @@ namespace spot
void
start()
{
os_ << "digraph G {" << std::endl;
os_ << "digraph G {\n";
static const char* extra = getenv("SPOT_DOTEXTRA");
if (extra)
os_ << " " << extra << '\n';
artificial_initial_state_ = t_automata_->get_artificial_initial_state();