Enable -Wmissing-declarations in development mode.

* m4/gccwarn.m4: Add -Wmissing-declarations.
* iface/ltsmin/ltsmin.cc, iface/ltsmin/modelcheck.cc,
src/bin/common_trans.cc, src/bin/genltl.cc, src/bin/ltlgrind.cc,
src/tests/acc.cc, src/tests/bitvect.cc, src/tests/checkpsl.cc,
src/tests/checkta.cc, src/tests/complementation.cc,
src/tests/consterm.cc, src/tests/emptchk.cc, src/tests/equalsf.cc,
src/tests/graph.cc, src/tests/ikwiad.cc, src/tests/intvcmp2.cc,
src/tests/intvcomp.cc, src/tests/kind.cc, src/tests/length.cc,
src/tests/ltlprod.cc, src/tests/ltlrel.cc, src/tests/ngraph.cc,
src/tests/randtgba.cc, src/tests/readltl.cc, src/tests/reduc.cc,
src/tests/syntimpl.cc, src/tests/tostring.cc, src/tests/twagraph.cc,
src/tl/contain.cc, src/twaalgos/dtgbacomp.cc, src/twaalgos/minimize.cc:
Add "static" and move in anonymous namespace when appropriate.
This commit is contained in:
Alexandre Duret-Lutz 2015-10-02 11:00:00 +02:00
parent 162d8d297d
commit 20365e53f0
32 changed files with 553 additions and 563 deletions

View file

@ -943,75 +943,75 @@ namespace spot
mutable callback_context* state_condition_last_cc_; mutable callback_context* state_condition_last_cc_;
}; };
}
//////////////////////////////////////////////////////////////////////////
// LOADER
//////////////////////////////////////////////////////////////////////////// // Call spins to compile "foo.prom" as "foo.prom.spins" if the latter
// LOADER // does not exist already or is older.
static bool
compile_model(std::string& filename, std::string& ext, bool verbose)
{
std::string command;
std::string compiled_ext;
if (ext == ".prom" || ext == ".pm" || ext == ".pml")
{
command = "spins " + filename;
compiled_ext = ".spins";
}
else if (ext == ".dve")
{
command = "divine compile --ltsmin " + filename;
compiled_ext = "2C";
}
else
{
if (verbose)
std::cerr << "Unknown extension `" << ext
<< ("'. Use `.prom', `.pm', `.pml', `.dve', `.dve2C' or"
"`.prom.spins'.") << std::endl;
return false;
}
// Call spins to compile "foo.prom" as "foo.prom.spins" if the latter struct stat s;
// does not exist already or is older. if (stat(filename.c_str(), &s) != 0)
bool {
compile_model(std::string& filename, std::string& ext, bool verbose) if (verbose)
{ {
std::string command; std::cerr << "Cannot open " << filename << std::endl;
std::string compiled_ext; return true;
}
}
if (ext == ".prom" || ext == ".pm" || ext == ".pml") std::string old = filename;
{ filename += compiled_ext;
command = "spins " + filename;
compiled_ext = ".spins";
}
else if (ext == ".dve")
{
command = "divine compile --ltsmin " + filename;
compiled_ext = "2C";
}
else
{
if (verbose)
std::cerr << "Unknown extension `" << ext
<< "'. Use `.prom', `.pm', `.pml', `.dve', `.dve2C' or"\
"`.prom.spins'." << std::endl;
return false;
}
struct stat s; // Remove any directory, because the new file will
if (stat(filename.c_str(), &s) != 0) // be compiled in the current directory.
{ size_t pos = filename.find_last_of("/\\");
if (verbose) if (pos != std::string::npos)
{ filename = "./" + filename.substr(pos + 1);
std::cerr << "Cannot open " << filename << std::endl;
return true;
}
}
std::string old = filename; struct stat d;
filename += compiled_ext; if (stat(filename.c_str(), &d) == 0)
if (s.st_mtime < d.st_mtime)
// The .spins or .dve2C is up-to-date, no need to recompile it.
return false;
// Remove any directory, because the new file will int res = system(command.c_str());
// be compiled in the current directory. if (res)
size_t pos = filename.find_last_of("/\\"); {
if (pos != std::string::npos) if (verbose)
filename = "./" + filename.substr(pos + 1); std::cerr << "Execution of `" << command.c_str()
<< "' returned exit code " << WEXITSTATUS(res)
<< ".\n";
return true;
}
return false;
}
struct stat d;
if (stat(filename.c_str(), &d) == 0)
if (s.st_mtime < d.st_mtime)
// The .spins or .dve2C is up-to-date, no need to recompile it.
return false;
int res = system(command.c_str());
if (res)
{
if (verbose)
std::cerr << "Execution of `" << command.c_str()
<< "' returned exit code " << WEXITSTATUS(res)
<< ".\n";
return true;
}
return false;
} }
kripke_ptr kripke_ptr

View file

@ -60,7 +60,7 @@ Options:\n\
exit(1); exit(1);
} }
int static int
checked_main(int argc, char **argv) checked_main(int argc, char **argv)
{ {
spot::timer_map tm; spot::timer_map tm;

View file

@ -32,7 +32,8 @@ EOF
Wpointer-arith \ Wpointer-arith \
Wwrite-strings \ Wwrite-strings \
Wcast-qual \ Wcast-qual \
Wdocumentation Wdocumentation \
Wmissing-declarations
do do
CXXFLAGS="$cf_save_CXXFLAGS $ac_cv_prog_gxx_warn_flags -$cf_opt" CXXFLAGS="$cf_save_CXXFLAGS $ac_cv_prog_gxx_warn_flags -$cf_opt"
if AC_TRY_EVAL(ac_compile); then if AC_TRY_EVAL(ac_compile); then

View file

@ -48,7 +48,7 @@ static struct shorthands_t
{ "spin", " -f %s>%O" }, { "spin", " -f %s>%O" },
}; };
void show_shorthands() static void show_shorthands()
{ {
std::cout std::cout
<< ("If a COMMANDFMT does not use any %-sequence, and starts with one of\n" << ("If a COMMANDFMT does not use any %-sequence, and starts with one of\n"

View file

@ -321,7 +321,8 @@ phi_n(std::string name, int n)
return result; return result;
} }
formula N_n(std::string name, int n) static formula
N_n(std::string name, int n)
{ {
return formula::F(phi_n(name, n)); return formula::F(phi_n(name, n));
} }

View file

@ -108,7 +108,7 @@ namespace
}; };
} }
int static int
parse_opt(int key, char* arg, struct argp_state*) parse_opt(int key, char* arg, struct argp_state*)
{ {
switch (key) switch (key)

View file

@ -24,7 +24,7 @@
#include <cstdlib> #include <cstdlib>
#include "twa/acc.hh" #include "twa/acc.hh"
void check(spot::acc_cond& ac, spot::acc_cond::mark_t m) static void check(spot::acc_cond& ac, spot::acc_cond::mark_t m)
{ {
std::cout << '#' << m.count() << ": " << ac.format(m); std::cout << '#' << m.count() << ": " << ac.format(m);
if (!m) if (!m)
@ -34,7 +34,7 @@ void check(spot::acc_cond& ac, spot::acc_cond::mark_t m)
std::cout << '\n'; std::cout << '\n';
} }
void print(const std::vector<std::vector<int>>& res) static void print(const std::vector<std::vector<int>>& res)
{ {
for (auto& v: res) for (auto& v: res)
{ {

View file

@ -20,7 +20,7 @@
#include <iostream> #include <iostream>
#include "misc/bitvect.hh" #include "misc/bitvect.hh"
void ruler() static void ruler()
{ {
std::cout << "\n "; std::cout << "\n ";
for (size_t x = 0; x < 76; ++x) for (size_t x = 0; x < 76; ++x)

View file

@ -29,7 +29,7 @@
#include "twaalgos/product.hh" #include "twaalgos/product.hh"
#include "twaalgos/dot.hh" #include "twaalgos/dot.hh"
void static void
syntax(char* prog) syntax(char* prog)
{ {
std::cerr << prog << " file" << std::endl; std::cerr << prog << " file" << std::endl;

View file

@ -33,14 +33,15 @@
#include "taalgos/dot.hh" #include "taalgos/dot.hh"
#include "taalgos/stats.hh" #include "taalgos/stats.hh"
void static void
syntax(char* prog) syntax(char* prog)
{ {
std::cerr << prog << " file" << std::endl; std::cerr << prog << " file" << std::endl;
exit(2); exit(2);
} }
void stats(std::string title, const spot::ta_ptr& ta) static void
stats(std::string title, const spot::ta_ptr& ta)
{ {
auto s = stats_reachable(ta); auto s = stats_reachable(ta);
@ -50,7 +51,8 @@ void stats(std::string title, const spot::ta_ptr& ta)
<< std::setw(6) << s.acceptance_states << '\n'; << std::setw(6) << s.acceptance_states << '\n';
} }
void stats(std::string title, const spot::twa_ptr& tg) static void
stats(std::string title, const spot::twa_ptr& tg)
{ {
auto s = stats_reachable(tg); auto s = stats_reachable(tg);

View file

@ -34,7 +34,7 @@
#include "twa/twasafracomplement.hh" #include "twa/twasafracomplement.hh"
void usage(const char* prog) static void usage(const char* prog)
{ {
std::cout << "usage: " << prog << " [options]" << std::endl; std::cout << "usage: " << prog << " [options]" << std::endl;
std::cout << "with options" << std::endl std::cout << "with options" << std::endl

View file

@ -24,7 +24,7 @@
#include <cstdlib> #include <cstdlib>
#include "tl/parse.hh" #include "tl/parse.hh"
void static void
syntax(char *prog) syntax(char *prog)
{ {
std::cerr << prog << " formula" << std::endl; std::cerr << prog << " formula" << std::endl;

View file

@ -32,7 +32,7 @@
#include "twaalgos/dot.hh" #include "twaalgos/dot.hh"
#include "twaalgos/emptiness.hh" #include "twaalgos/emptiness.hh"
void static void
syntax(char* prog) syntax(char* prog)
{ {
std::cerr << prog << " file" << std::endl; std::cerr << prog << " file" << std::endl;

View file

@ -32,7 +32,7 @@
#include "tl/simplify.hh" #include "tl/simplify.hh"
#include "tl/print.hh" #include "tl/print.hh"
void static void
syntax(char* prog) syntax(char* prog)
{ {
std::cerr << prog << " [-E] file" << std::endl; std::cerr << prog << " [-E] file" << std::endl;

View file

@ -70,8 +70,9 @@ dot(std::ostream& out, spot::digraph<SL, TL>& g)
} }
bool g1(const spot::digraph<void, void>& g, static bool
unsigned s, int e) g1(const spot::digraph<void, void>& g,
unsigned s, int e)
{ {
int f = 0; int f = 0;
for (auto& t: g.out(s)) for (auto& t: g.out(s))
@ -82,7 +83,8 @@ bool g1(const spot::digraph<void, void>& g,
return f == e; return f == e;
} }
bool f1() static bool
f1()
{ {
spot::digraph<void, void> g(3); spot::digraph<void, void> g(3);
@ -111,7 +113,8 @@ bool f1()
} }
bool f2() static bool
f2()
{ {
spot::digraph<int, void> g(3); spot::digraph<int, void> g(3);
@ -133,7 +136,8 @@ bool f2()
return f == 5; return f == 5;
} }
bool f3() static bool
f3()
{ {
spot::digraph<void, int> g(3); spot::digraph<void, int> g(3);
@ -155,7 +159,8 @@ bool f3()
return f == 3 && g.states().size() == 3; return f == 3 && g.states().size() == 3;
} }
bool f4() static bool
f4()
{ {
spot::digraph<int, int> g(3); spot::digraph<int, int> g(3);
@ -177,7 +182,8 @@ bool f4()
return f == 11; return f == 11;
} }
bool f5() static bool
f5()
{ {
spot::digraph<void, std::pair<int, float>> g(3); spot::digraph<void, std::pair<int, float>> g(3);
@ -199,7 +205,8 @@ bool f5()
return f == 3 && (h > 2.49 && h < 2.51); return f == 3 && (h > 2.49 && h < 2.51);
} }
bool f6() static bool
f6()
{ {
spot::digraph<void, std::pair<int, float>> g(3); spot::digraph<void, std::pair<int, float>> g(3);
@ -221,7 +228,8 @@ bool f6()
return f == 3 && (h > 2.49 && h < 2.51); return f == 3 && (h > 2.49 && h < 2.51);
} }
bool f7() static bool
f7()
{ {
spot::digraph<int, int, true> g(3); spot::digraph<int, int, true> g(3);
auto s1 = g.new_state(2); auto s1 = g.new_state(2);
@ -267,7 +275,8 @@ struct int_pair
#endif #endif
}; };
bool f8() static bool
f8()
{ {
spot::digraph<int_pair, int_pair> g(3); spot::digraph<int_pair, int_pair> g(3);
auto s1 = g.new_state(2, 4); auto s1 = g.new_state(2, 4);

View file

@ -71,25 +71,7 @@
#include "taalgos/dot.hh" #include "taalgos/dot.hh"
#include "taalgos/stats.hh" #include "taalgos/stats.hh"
std::string static void
ltl_defs()
{
std::string s = "\
X=(0 1 true \
1 2 $0 \
accept 2) \
U=(0 0 $0 \
0 1 $1 \
accept 1) \
G=(0 0 $0) \
F=U(true, $0) \
W=G($0)|U($0, $1) \
R=!U(!$0, !$1) \
M=F($0)&R($0, $1)";
return s;
}
void
syntax(char* prog) syntax(char* prog)
{ {
// Display the supplied name unless it appears to be a libtool wrapper. // Display the supplied name unless it appears to be a libtool wrapper.
@ -304,7 +286,8 @@ to_int(const char* s)
return res; return res;
} }
spot::twa_graph_ptr ensure_digraph(const spot::twa_ptr& a) static spot::twa_graph_ptr
ensure_digraph(const spot::twa_ptr& a)
{ {
auto aa = std::dynamic_pointer_cast<spot::twa_graph>(a); auto aa = std::dynamic_pointer_cast<spot::twa_graph>(a);
if (aa) if (aa)
@ -312,7 +295,7 @@ spot::twa_graph_ptr ensure_digraph(const spot::twa_ptr& a)
return spot::make_twa_graph(a, spot::twa::prop_set::all()); return spot::make_twa_graph(a, spot::twa::prop_set::all());
} }
int static int
checked_main(int argc, char** argv) checked_main(int argc, char** argv)
{ {
int exit_code = 0; int exit_code = 0;

View file

@ -1,5 +1,5 @@
// -*- coding: utf-8 -*- // -*- coding: utf-8 -*-
// Copyright (C) 2011, 2014 Laboratoire de Recherche et Developpement // Copyright (C) 2011, 2014, 2015 Laboratoire de Recherche et Developpement
// de l'Epita (LRDE). // de l'Epita (LRDE).
// //
// This file is part of Spot, a model checking library. // This file is part of Spot, a model checking library.
@ -22,7 +22,8 @@
#include <cstring> #include <cstring>
int check_aa(int* data, int size, unsigned expected = 0) static int
check_aa(int* data, int size, unsigned expected = 0)
{ {
int* comp = new int[size * 2]; int* comp = new int[size * 2];
size_t csize = size * 2; size_t csize = size * 2;
@ -67,7 +68,8 @@ int check_aa(int* data, int size, unsigned expected = 0)
return !!res; return !!res;
} }
int check(int* comp, int size, unsigned expected = 0) static int
check(int* comp, int size, unsigned expected = 0)
{ {
return return
//check_vv(comp, size, expected) + //check_vv(comp, size, expected) +

View file

@ -1,6 +1,6 @@
// -*- coding: utf-8 -*- // -*- coding: utf-8 -*-
// Copyright (C) 2011, 2014 Laboratoire de Recherche et Developpement // Copyright (C) 2011, 2014, 2015 Laboratoire de Recherche et
// de l'Epita (LRDE). // Developpement de l'Epita (LRDE).
// //
// This file is part of Spot, a model checking library. // This file is part of Spot, a model checking library.
// //
@ -21,7 +21,8 @@
#include "misc/intvcomp.hh" #include "misc/intvcomp.hh"
#include <cstring> #include <cstring>
int check_vv(int* data, int size, unsigned expected = 0) static int
check_vv(int* data, int size, unsigned expected = 0)
{ {
std::vector<int> input; std::vector<int> input;
@ -69,7 +70,8 @@ int check_vv(int* data, int size, unsigned expected = 0)
return !!res; return !!res;
} }
int check_av(int* data, int size, unsigned expected = 0) static int
check_av(int* data, int size, unsigned expected = 0)
{ {
const std::vector<unsigned int>* v = const std::vector<unsigned int>* v =
spot::int_array_vector_compress(data, size); spot::int_array_vector_compress(data, size);
@ -113,7 +115,8 @@ int check_av(int* data, int size, unsigned expected = 0)
return !!res; return !!res;
} }
int check_aa(int* data, int size, unsigned expected = 0) static int
check_aa(int* data, int size, unsigned expected = 0)
{ {
int* comp = new int[size *2]; int* comp = new int[size *2];
size_t csize = size * 2; size_t csize = size * 2;
@ -158,7 +161,8 @@ int check_aa(int* data, int size, unsigned expected = 0)
return !!res; return !!res;
} }
int check(int* comp, int size, unsigned expected = 0) static int
check(int* comp, int size, unsigned expected = 0)
{ {
return return
check_vv(comp, size, expected) + check_vv(comp, size, expected) +

View file

@ -24,7 +24,7 @@
#include <cstdlib> #include <cstdlib>
#include "tl/parse.hh" #include "tl/parse.hh"
void static void
syntax(char *prog) syntax(char *prog)
{ {
std::cerr << prog << " formula" << std::endl; std::cerr << prog << " formula" << std::endl;

View file

@ -24,7 +24,7 @@
#include "tl/parse.hh" #include "tl/parse.hh"
#include "tl/length.hh" #include "tl/length.hh"
void static void
syntax(char *prog) syntax(char *prog)
{ {
std::cerr << prog << " formula" << std::endl; std::cerr << prog << " formula" << std::endl;

View file

@ -28,7 +28,7 @@
#include "twaalgos/ltl2tgba_fm.hh" #include "twaalgos/ltl2tgba_fm.hh"
#include "twaalgos/dot.hh" #include "twaalgos/dot.hh"
void static void
syntax(char* prog) syntax(char* prog)
{ {
std::cerr << prog << " formula1 formula2" << std::endl; std::cerr << prog << " formula1 formula2" << std::endl;

View file

@ -24,7 +24,7 @@
#include "tl/relabel.hh" #include "tl/relabel.hh"
#include "tl/print.hh" #include "tl/print.hh"
void static void
syntax(char *prog) syntax(char *prog)
{ {
std::cerr << prog << " formula" << std::endl; std::cerr << prog << " formula" << std::endl;

View file

@ -108,8 +108,8 @@ dot(std::ostream& out, const spot::named_graph<G1, G2, G3, G4>& g)
} }
bool g1(const spot::digraph<void, void>& g, static bool
unsigned s, int e) g1(const spot::digraph<void, void>& g, unsigned s, int e)
{ {
int f = 0; int f = 0;
for (auto& t: g.out(s)) for (auto& t: g.out(s))
@ -120,7 +120,7 @@ bool g1(const spot::digraph<void, void>& g,
return f == e; return f == e;
} }
bool f1() static bool f1()
{ {
spot::digraph<void, void> g(3); spot::digraph<void, void> g(3);
spot::named_graph<spot::digraph<void, void>, std::string> gg(g); spot::named_graph<spot::digraph<void, void>, std::string> gg(g);
@ -150,7 +150,7 @@ bool f1()
} }
bool f2() static bool f2()
{ {
spot::digraph<int, void> g(3); spot::digraph<int, void> g(3);
spot::named_graph<spot::digraph<int, void>, std::string> gg(g); spot::named_graph<spot::digraph<int, void>, std::string> gg(g);
@ -173,7 +173,7 @@ bool f2()
return f == 5; return f == 5;
} }
bool f3() static bool f3()
{ {
spot::digraph<void, int> g(3); spot::digraph<void, int> g(3);
spot::named_graph<spot::digraph<void, int>, std::string> gg(g); spot::named_graph<spot::digraph<void, int>, std::string> gg(g);
@ -196,7 +196,7 @@ bool f3()
return f == 3 && g.states().size() == 3; return f == 3 && g.states().size() == 3;
} }
bool f4() static bool f4()
{ {
spot::digraph<int, int> g(3); spot::digraph<int, int> g(3);
spot::named_graph<spot::digraph<int, int>, std::string> gg(g); spot::named_graph<spot::digraph<int, int>, std::string> gg(g);
@ -219,7 +219,7 @@ bool f4()
return f == 11; return f == 11;
} }
bool f5() static bool f5()
{ {
typedef spot::digraph<void, std::pair<int, float>> graph_t; typedef spot::digraph<void, std::pair<int, float>> graph_t;
graph_t g(3); graph_t g(3);
@ -243,7 +243,7 @@ bool f5()
return f == 3 && (h > 2.49 && h < 2.51); return f == 3 && (h > 2.49 && h < 2.51);
} }
bool f6() static bool f6()
{ {
typedef spot::digraph<void, std::pair<int, float>> graph_t; typedef spot::digraph<void, std::pair<int, float>> graph_t;
graph_t g(3); graph_t g(3);
@ -267,7 +267,7 @@ bool f6()
return f == 3 && (h > 2.49 && h < 2.51); return f == 3 && (h > 2.49 && h < 2.51);
} }
bool f7() static bool f7()
{ {
typedef spot::digraph<int, int, true> graph_t; typedef spot::digraph<int, int, true> graph_t;
graph_t g(3); graph_t g(3);
@ -316,7 +316,7 @@ struct int_pair
#endif #endif
}; };
bool f8() static bool f8()
{ {
typedef spot::digraph<int_pair, int_pair> graph_t; typedef spot::digraph<int_pair, int_pair> graph_t;
graph_t g(3); graph_t g(3);
@ -382,7 +382,7 @@ public:
} }
}; };
bool f9() static bool f9()
{ {
typedef spot::digraph<my_state, int_pair> graph_t; typedef spot::digraph<my_state, int_pair> graph_t;
graph_t g(3); graph_t g(3);

View file

@ -82,7 +82,7 @@ const char* default_algos[] = {
std::vector<ec_algo> ec_algos; std::vector<ec_algo> ec_algos;
spot::emptiness_check_ptr static spot::emptiness_check_ptr
cons_emptiness_check(int num, spot::const_twa_graph_ptr a, cons_emptiness_check(int num, spot::const_twa_graph_ptr a,
const spot::const_twa_graph_ptr& degen, const spot::const_twa_graph_ptr& degen,
unsigned int n_acc) unsigned int n_acc)
@ -96,7 +96,7 @@ cons_emptiness_check(int num, spot::const_twa_graph_ptr a,
return nullptr; return nullptr;
} }
void static void
syntax(char* prog) syntax(char* prog)
{ {
std::cerr << "Usage: "<< prog << " [OPTIONS...] PROPS..." << std::endl std::cerr << "Usage: "<< prog << " [OPTIONS...] PROPS..." << std::endl
@ -173,7 +173,7 @@ syntax(char* prog)
} }
int static int
to_int(const char* s) to_int(const char* s)
{ {
char* endptr; char* endptr;
@ -186,7 +186,7 @@ to_int(const char* s)
return res; return res;
} }
int static int
to_int_pos(const char* s, const char* arg) to_int_pos(const char* s, const char* arg)
{ {
int res = to_int(s); int res = to_int(s);
@ -199,7 +199,7 @@ to_int_pos(const char* s, const char* arg)
return res; return res;
} }
int static int
to_int_nonneg(const char* s, const char* arg) to_int_nonneg(const char* s, const char* arg)
{ {
int res = to_int(s); int res = to_int(s);
@ -212,7 +212,7 @@ to_int_nonneg(const char* s, const char* arg)
return res; return res;
} }
float static float
to_float(const char* s) to_float(const char* s)
{ {
char* endptr; char* endptr;
@ -226,7 +226,7 @@ to_float(const char* s)
return res; return res;
} }
float static float
to_float_nonneg(const char* s, const char* arg) to_float_nonneg(const char* s, const char* arg)
{ {
float res = to_float(s); float res = to_float(s);
@ -250,7 +250,7 @@ id(const char*, unsigned x)
spot::tgba_statistics prod_stats; spot::tgba_statistics prod_stats;
float static float
prod_conv(const char* name, unsigned x) prod_conv(const char* name, unsigned x)
{ {
float y = static_cast<float>(x); float y = static_cast<float>(x);
@ -418,7 +418,7 @@ ar_stats_type ar_stats; // Statistics about accepting runs.
ar_stats_type mar_stats; // ... about minimized accepting runs. ar_stats_type mar_stats; // ... about minimized accepting runs.
void static void
print_ar_stats(ar_stats_type& ar_stats, const std::string& s) print_ar_stats(ar_stats_type& ar_stats, const std::string& s)
{ {
std::ios::fmtflags old = std::cout.flags(); std::ios::fmtflags old = std::cout.flags();
@ -486,7 +486,7 @@ print_ar_stats(ar_stats_type& ar_stats, const std::string& s)
std::cout << std::setiosflags(old); std::cout << std::setiosflags(old);
} }
spot::formula static spot::formula
generate_formula(const spot::random_ltl& rl, generate_formula(const spot::random_ltl& rl,
spot::ltl_simplifier& simp, spot::ltl_simplifier& simp,
int opt_f, int opt_s, int opt_f, int opt_s,

View file

@ -27,7 +27,7 @@
#include "tl/parse.hh" #include "tl/parse.hh"
#include "tl/dot.hh" #include "tl/dot.hh"
void static void
syntax(char* prog) syntax(char* prog)
{ {
std::cerr << prog << " [-d] formula" << std::endl; std::cerr << prog << " [-d] formula" << std::endl;

View file

@ -31,7 +31,7 @@
#include "tl/simplify.hh" #include "tl/simplify.hh"
#include "tl/length.hh" #include "tl/length.hh"
void static void
syntax(char* prog) syntax(char* prog)
{ {
std::cerr << prog << " option formula1 (formula2)?" << std::endl; std::cerr << prog << " option formula1 (formula2)?" << std::endl;

View file

@ -28,7 +28,7 @@
#include "tl/simplify.hh" #include "tl/simplify.hh"
#include "tl/nenoform.hh" #include "tl/nenoform.hh"
void static void
syntax(char* prog) syntax(char* prog)
{ {
std::cerr << prog << " formula1 formula2?" << std::endl; std::cerr << prog << " formula1 formula2?" << std::endl;

View file

@ -26,7 +26,7 @@
#include "tl/parse.hh" #include "tl/parse.hh"
#include "tl/print.hh" #include "tl/print.hh"
void static void
syntax(char *prog) syntax(char *prog)
{ {
std::cerr << prog << " formula1" << std::endl; std::cerr << prog << " formula1" << std::endl;

View file

@ -23,7 +23,7 @@
#include "twaalgos/dot.hh" #include "twaalgos/dot.hh"
#include "tl/defaultenv.hh" #include "tl/defaultenv.hh"
void f1() static void f1()
{ {
auto d = spot::make_bdd_dict(); auto d = spot::make_bdd_dict();
auto tg = make_twa_graph(d); auto tg = make_twa_graph(d);

View file

@ -120,17 +120,4 @@ namespace spot
r.translation = e; r.translation = e;
return &r; return &r;
} }
formula
reduce_tau03(formula f, bool stronger)
{
if (!f.is_psl_formula())
return f;
ltl_simplifier_options opt(false, false, false,
true, stronger);
ltl_simplifier simpl(opt);
return simpl.simplify(f);
}
} }

View file

@ -24,140 +24,145 @@
namespace spot namespace spot
{ {
twa_graph_ptr dtgba_complement_nonweak(const const_twa_graph_ptr& aut) namespace
{ {
// Clone the original automaton. static twa_graph_ptr
auto res = make_twa_graph(aut, dtgba_complement_nonweak(const const_twa_graph_ptr& aut)
{ false, // state based {
false, // inherently_weak // Clone the original automaton.
false, // deterministic auto res = make_twa_graph(aut,
true, // stutter inv. { false, // state based
}); false, // inherently_weak
// Copy the old acceptance condition before we replace it. false, // deterministic
acc_cond oldacc = aut->acc(); // Copy it! true, // stutter inv.
});
// Copy the old acceptance condition before we replace it.
acc_cond oldacc = aut->acc(); // Copy it!
// We will modify res in place, and the resulting // We will modify res in place, and the resulting
// automaton will only have one acceptance set. // automaton will only have one acceptance set.
// This changes aut->acc(); // This changes aut->acc();
res->set_buchi(); res->set_buchi();
// The resulting automaton is weak. // The resulting automaton is weak.
res->prop_inherently_weak(); res->prop_inherently_weak();
res->prop_state_based_acc(); res->prop_state_based_acc();
unsigned num_sets = oldacc.num_sets(); unsigned num_sets = oldacc.num_sets();
unsigned n = res->num_states(); unsigned n = res->num_states();
// We will duplicate the automaton as many times as we have // We will duplicate the automaton as many times as we have
// acceptance sets, and we need one extra sink state. // acceptance sets, and we need one extra sink state.
res->new_states(num_sets * n + 1); res->new_states(num_sets * n + 1);
unsigned sink = res->num_states() - 1; unsigned sink = res->num_states() - 1;
// The sink state has an accepting self-loop. // The sink state has an accepting self-loop.
res->new_acc_edge(sink, sink, bddtrue); res->new_acc_edge(sink, sink, bddtrue);
for (unsigned src = 0; src < n; ++src) for (unsigned src = 0; src < n; ++src)
{ {
// Keep track of all conditions on edge leaving state // Keep track of all conditions on edge leaving state
// SRC, so we can complete it. // SRC, so we can complete it.
bdd missingcond = bddtrue; bdd missingcond = bddtrue;
for (auto& t: res->out(src)) for (auto& t: res->out(src))
{ {
if (t.dst >= n) // Ignore edges we added. if (t.dst >= n) // Ignore edges we added.
break; break;
missingcond -= t.cond; missingcond -= t.cond;
acc_cond::mark_t curacc = t.acc; acc_cond::mark_t curacc = t.acc;
// The original edge must not accept anymore. // The original edge must not accept anymore.
t.acc = 0U; t.acc = 0U;
// Edge that were fully accepting are never cloned. // Edge that were fully accepting are never cloned.
if (oldacc.accepting(curacc)) if (oldacc.accepting(curacc))
continue; continue;
// Save t.cond and t.dst as the reference to t // Save t.cond and t.dst as the reference to t
// is invalided by calls to new_edge(). // is invalided by calls to new_edge().
unsigned dst = t.dst; unsigned dst = t.dst;
bdd cond = t.cond; bdd cond = t.cond;
// Iterate over all the acceptance conditions in 'curacc', // Iterate over all the acceptance conditions in 'curacc',
// an duplicate it for each clone for which it does not // an duplicate it for each clone for which it does not
// belong to the acceptance set. // belong to the acceptance set.
unsigned add = 0; unsigned add = 0;
for (unsigned set = 0; set < num_sets; ++set) for (unsigned set = 0; set < num_sets; ++set)
{ {
add += n; add += n;
if (!oldacc.has(curacc, set)) if (!oldacc.has(curacc, set))
{ {
// Clone the edge // Clone the edge
res->new_acc_edge(src + add, dst + add, cond); res->new_acc_edge(src + add, dst + add, cond);
assert(dst + add < sink); assert(dst + add < sink);
// Using `t' is disallowed from now on as it is a // Using `t' is disallowed from now on as it is a
// reference to a edge that may have been // reference to a edge that may have been
// reallocated. // reallocated.
// At least one edge per cycle should have a // At least one edge per cycle should have a
// nondeterministic copy from the original clone. // nondeterministic copy from the original clone.
// We use state numbers to select it, as any cycle // We use state numbers to select it, as any cycle
// is guaranteed to have at least one edge // is guaranteed to have at least one edge
// with dst <= src. FIXME: Computing a feedback // with dst <= src. FIXME: Computing a feedback
// arc set would be better. // arc set would be better.
if (dst <= src) if (dst <= src)
res->new_edge(src, dst + add, cond); res->new_edge(src, dst + add, cond);
} }
} }
assert(add == num_sets * n); assert(add == num_sets * n);
} }
// Complete the original automaton. // Complete the original automaton.
if (missingcond != bddfalse) if (missingcond != bddfalse)
res->new_edge(src, sink, missingcond);
}
res->merge_edges();
res->purge_dead_states();
return res;
}
twa_graph_ptr dtgba_complement_weak(const const_twa_graph_ptr& aut)
{
// Clone the original automaton.
auto res = make_twa_graph(aut,
{ true, // state based
true, // inherently weak
true, // determinisitic
true, // stutter inv.
});
scc_info si(res);
// We will modify res in place, and the resulting
// automaton will only have one acceptance set.
acc_cond::mark_t all_acc = res->set_buchi();
res->prop_state_based_acc();
unsigned sink = res->num_states();
for (unsigned src = 0; src < sink; ++src)
{
acc_cond::mark_t acc = 0U;
unsigned scc = si.scc_of(src);
if (si.is_rejecting_scc(scc) && !si.is_trivial(scc))
acc = all_acc;
// Keep track of all conditions on edge leaving state
// SRC, so we can complete it.
bdd missingcond = bddtrue;
for (auto& t: res->out(src))
{
missingcond -= t.cond;
t.acc = acc;
}
// Complete the original automaton.
if (missingcond != bddfalse)
{
if (res->num_states() == sink)
{
res->new_state();
res->new_acc_edge(sink, sink, bddtrue);
}
res->new_edge(src, sink, missingcond); res->new_edge(src, sink, missingcond);
} }
} res->merge_edges();
//res->merge_edges(); res->purge_dead_states();
return res; return res;
}
static twa_graph_ptr
dtgba_complement_weak(const const_twa_graph_ptr& aut)
{
// Clone the original automaton.
auto res = make_twa_graph(aut,
{ true, // state based
true, // inherently weak
true, // determinisitic
true, // stutter inv.
});
scc_info si(res);
// We will modify res in place, and the resulting
// automaton will only have one acceptance set.
acc_cond::mark_t all_acc = res->set_buchi();
res->prop_state_based_acc();
unsigned sink = res->num_states();
for (unsigned src = 0; src < sink; ++src)
{
acc_cond::mark_t acc = 0U;
unsigned scc = si.scc_of(src);
if (si.is_rejecting_scc(scc) && !si.is_trivial(scc))
acc = all_acc;
// Keep track of all conditions on edge leaving state
// SRC, so we can complete it.
bdd missingcond = bddtrue;
for (auto& t: res->out(src))
{
missingcond -= t.cond;
t.acc = acc;
}
// Complete the original automaton.
if (missingcond != bddfalse)
{
if (res->num_states() == sink)
{
res->new_state();
res->new_acc_edge(sink, sink, bddtrue);
}
res->new_edge(src, sink, missingcond);
}
}
//res->merge_edges();
return res;
}
} }
twa_graph_ptr dtgba_complement(const const_twa_graph_ptr& aut) twa_graph_ptr dtgba_complement(const const_twa_graph_ptr& aut)

View file

@ -80,103 +80,100 @@ namespace spot
dump_hash_set(hs, aut, s); dump_hash_set(hs, aut, s);
return s.str(); return s.str();
} }
}
// Find all states of an automaton. // Find all states of an automaton.
void build_state_set(const const_twa_ptr& a, hash_set* seen) static void
{ build_state_set(const const_twa_ptr& a, hash_set* seen)
std::queue<const state*> tovisit; {
// Perform breadth-first traversal. std::queue<const state*> tovisit;
const state* init = a->get_init_state(); // Perform breadth-first traversal.
tovisit.push(init); const state* init = a->get_init_state();
seen->insert(init); tovisit.push(init);
while (!tovisit.empty()) seen->insert(init);
{ while (!tovisit.empty())
const state* src = tovisit.front(); {
tovisit.pop(); const state* src = tovisit.front();
tovisit.pop();
for (auto sit: a->succ(src)) for (auto sit: a->succ(src))
{ {
const state* dst = sit->current_state(); const state* dst = sit->current_state();
// Is it a new state ? // Is it a new state ?
if (seen->find(dst) == seen->end()) if (seen->find(dst) == seen->end())
{ {
// Register the successor for later processing. // Register the successor for later processing.
tovisit.push(dst); tovisit.push(dst);
seen->insert(dst); seen->insert(dst);
} }
else else
dst->destroy();
}
}
}
// From the base automaton and the list of sets, build the minimal
// resulting automaton
static twa_graph_ptr
build_result(const const_twa_ptr& a,
std::list<hash_set*>& sets,
hash_set* final)
{
auto dict = a->get_dict();
auto res = make_twa_graph(dict);
res->copy_ap_of(a);
res->prop_state_based_acc();
// For each set, create a state in the resulting automaton.
// For a state s, state_num[s] is the number of the state in the minimal
// automaton.
hash_map state_num;
std::list<hash_set*>::iterator sit;
for (sit = sets.begin(); sit != sets.end(); ++sit)
{
hash_set::iterator hit;
hash_set* h = *sit;
unsigned num = res->new_state();
for (hit = h->begin(); hit != h->end(); ++hit)
state_num[*hit] = num;
}
// For each transition in the initial automaton, add the corresponding
// transition in res.
if (!final->empty())
res->set_buchi();
for (sit = sets.begin(); sit != sets.end(); ++sit)
{
hash_set* h = *sit;
// Pick one state.
const state* src = *h->begin();
unsigned src_num = state_num[src];
bool accepting = (final->find(src) != final->end());
// Connect it to all destinations.
for (auto succit: a->succ(src))
{
const state* dst = succit->current_state();
hash_map::const_iterator i = state_num.find(dst);
dst->destroy(); dst->destroy();
} if (i == state_num.end()) // Ignore useless destinations.
} continue;
} res->new_acc_edge(src_num, i->second,
succit->current_condition(), accepting);
// From the base automaton and the list of sets, build the minimal }
// resulting automaton }
twa_graph_ptr build_result(const const_twa_ptr& a, res->merge_edges();
std::list<hash_set*>& sets, if (res->num_states() > 0)
hash_set* final) {
{ const state* init_state = a->get_init_state();
auto dict = a->get_dict(); unsigned init_num = state_num[init_state];
auto res = make_twa_graph(dict); init_state->destroy();
res->copy_ap_of(a); res->set_init_state(init_num);
res->prop_state_based_acc(); }
return res;
// For each set, create a state in the resulting automaton. }
// For a state s, state_num[s] is the number of the state in the minimal
// automaton.
hash_map state_num;
std::list<hash_set*>::iterator sit;
for (sit = sets.begin(); sit != sets.end(); ++sit)
{
hash_set::iterator hit;
hash_set* h = *sit;
unsigned num = res->new_state();
for (hit = h->begin(); hit != h->end(); ++hit)
state_num[*hit] = num;
}
// For each transition in the initial automaton, add the corresponding
// transition in res.
if (!final->empty())
res->set_buchi();
for (sit = sets.begin(); sit != sets.end(); ++sit)
{
hash_set* h = *sit;
// Pick one state.
const state* src = *h->begin();
unsigned src_num = state_num[src];
bool accepting = (final->find(src) != final->end());
// Connect it to all destinations.
for (auto succit: a->succ(src))
{
const state* dst = succit->current_state();
hash_map::const_iterator i = state_num.find(dst);
dst->destroy();
if (i == state_num.end()) // Ignore useless destinations.
continue;
res->new_acc_edge(src_num, i->second,
succit->current_condition(), accepting);
}
}
res->merge_edges();
if (res->num_states() > 0)
{
const state* init_state = a->get_init_state();
unsigned init_num = state_num[init_state];
init_state->destroy();
res->set_init_state(init_num);
}
return res;
}
namespace
{
struct wdba_search_acc_loop : public bfs_steps struct wdba_search_acc_loop : public bfs_steps
{ {
@ -265,214 +262,213 @@ namespace spot
return accepting; return accepting;
} }
} static twa_graph_ptr minimize_dfa(const const_twa_graph_ptr& det_a,
hash_set* final, hash_set* non_final)
{
typedef std::list<hash_set*> partition_t;
partition_t cur_run;
partition_t next_run;
twa_graph_ptr minimize_dfa(const const_twa_graph_ptr& det_a, // The list of equivalent states.
hash_set* final, hash_set* non_final) partition_t done;
{
typedef std::list<hash_set*> partition_t;
partition_t cur_run;
partition_t next_run;
// The list of equivalent states. hash_map state_set_map;
partition_t done;
hash_map state_set_map; // Size of det_a
unsigned size = final->size() + non_final->size();
// Use bdd variables to number sets. set_num is the first variable
// available.
unsigned set_num =
det_a->get_dict()->register_anonymous_variables(size, det_a);
// Size of det_a std::set<int> free_var;
unsigned size = final->size() + non_final->size(); for (unsigned i = set_num; i < set_num + size; ++i)
// Use bdd variables to number sets. set_num is the first variable free_var.insert(i);
// available. std::map<int, int> used_var;
unsigned set_num =
det_a->get_dict()->register_anonymous_variables(size, det_a);
std::set<int> free_var; hash_set* final_copy;
for (unsigned i = set_num; i < set_num + size; ++i)
free_var.insert(i);
std::map<int, int> used_var;
hash_set* final_copy; if (!final->empty())
{
unsigned s = final->size();
used_var[set_num] = s;
free_var.erase(set_num);
if (s > 1)
cur_run.push_back(final);
else
done.push_back(final);
for (hash_set::const_iterator i = final->begin();
i != final->end(); ++i)
state_set_map[*i] = set_num;
if (!final->empty()) final_copy = new hash_set(*final);
{ }
unsigned s = final->size(); else
used_var[set_num] = s; {
free_var.erase(set_num); final_copy = final;
if (s > 1) }
cur_run.push_back(final);
else
done.push_back(final);
for (hash_set::const_iterator i = final->begin();
i != final->end(); ++i)
state_set_map[*i] = set_num;
final_copy = new hash_set(*final); if (!non_final->empty())
} {
else unsigned s = non_final->size();
{ unsigned num = set_num + 1;
final_copy = final; used_var[num] = s;
} free_var.erase(num);
if (s > 1)
cur_run.push_back(non_final);
else
done.push_back(non_final);
for (hash_set::const_iterator i = non_final->begin();
i != non_final->end(); ++i)
state_set_map[*i] = num;
}
else
{
delete non_final;
}
if (!non_final->empty()) // A bdd_states_map is a list of formulae (in a BDD form)
{ // associated with a destination set of states.
unsigned s = non_final->size(); typedef std::map<bdd, hash_set*, bdd_less_than> bdd_states_map;
unsigned num = set_num + 1;
used_var[num] = s;
free_var.erase(num);
if (s > 1)
cur_run.push_back(non_final);
else
done.push_back(non_final);
for (hash_set::const_iterator i = non_final->begin();
i != non_final->end(); ++i)
state_set_map[*i] = num;
}
else
{
delete non_final;
}
// A bdd_states_map is a list of formulae (in a BDD form) associated with a bool did_split = true;
// destination set of states.
typedef std::map<bdd, hash_set*, bdd_less_than> bdd_states_map;
bool did_split = true; while (did_split)
{
did_split = false;
while (!cur_run.empty())
{
// Get a set to process.
hash_set* cur = cur_run.front();
cur_run.pop_front();
while (did_split) trace << "processing " << format_hash_set(cur, det_a)
{ << std::endl;
did_split = false;
while (!cur_run.empty())
{
// Get a set to process.
hash_set* cur = cur_run.front();
cur_run.pop_front();
trace << "processing " << format_hash_set(cur, det_a) << std::endl; hash_set::iterator hi;
bdd_states_map bdd_map;
for (hi = cur->begin(); hi != cur->end(); ++hi)
{
const state* src = *hi;
bdd f = bddfalse;
for (auto si: det_a->succ(src))
{
const state* dst = si->current_state();
hash_map::const_iterator i = state_set_map.find(dst);
dst->destroy();
if (i == state_set_map.end())
// The destination state is not in our
// partition. This can happen if the initial
// FINAL and NON_FINAL supplied to the algorithm
// do not cover the whole automaton (because we
// want to ignore some useless states). Simply
// ignore these states here.
continue;
f |= (bdd_ithvar(i->second) & si->current_condition());
}
hash_set::iterator hi; // Have we already seen this formula ?
bdd_states_map bdd_map; bdd_states_map::iterator bsi = bdd_map.find(f);
for (hi = cur->begin(); hi != cur->end(); ++hi) if (bsi == bdd_map.end())
{ {
const state* src = *hi; // No, create a new set.
bdd f = bddfalse; hash_set* new_set = new hash_set;
for (auto si: det_a->succ(src)) new_set->insert(src);
{ bdd_map[f] = new_set;
const state* dst = si->current_state(); }
hash_map::const_iterator i = state_set_map.find(dst); else
dst->destroy(); {
if (i == state_set_map.end()) // Yes, add the current state to the set.
// The destination state is not in our bsi->second->insert(src);
// partition. This can happen if the initial }
// FINAL and NON_FINAL supplied to the algorithm }
// do not cover the whole automaton (because we
// want to ignore some useless states). Simply
// ignore these states here.
continue;
f |= (bdd_ithvar(i->second) & si->current_condition());
}
// Have we already seen this formula ? bdd_states_map::iterator bsi = bdd_map.begin();
bdd_states_map::iterator bsi = bdd_map.find(f); if (bdd_map.size() == 1)
if (bsi == bdd_map.end()) {
{ // The set was not split.
// No, create a new set. trace << "set " << format_hash_set(bsi->second, det_a)
hash_set* new_set = new hash_set; << " was not split" << std::endl;
new_set->insert(src); next_run.push_back(bsi->second);
bdd_map[f] = new_set; }
} else
else {
{ did_split = true;
// Yes, add the current state to the set. for (; bsi != bdd_map.end(); ++bsi)
bsi->second->insert(src); {
} hash_set* set = bsi->second;
} // Free the number associated to these states.
unsigned num = state_set_map[*set->begin()];
assert(used_var.find(num) != used_var.end());
unsigned left = (used_var[num] -= set->size());
// Make sure LEFT does not become negative (hence bigger
// than SIZE when read as unsigned)
assert(left < size);
if (left == 0)
{
used_var.erase(num);
free_var.insert(num);
}
// Pick a free number
assert(!free_var.empty());
num = *free_var.begin();
free_var.erase(free_var.begin());
used_var[num] = set->size();
for (hash_set::iterator hit = set->begin();
hit != set->end(); ++hit)
state_set_map[*hit] = num;
// Trivial sets can't be splitted any further.
if (set->size() == 1)
{
trace << "set " << format_hash_set(set, det_a)
<< " is minimal" << std::endl;
done.push_back(set);
}
else
{
trace << "set " << format_hash_set(set, det_a)
<< " should be processed further" << std::endl;
next_run.push_back(set);
}
}
}
delete cur;
}
if (did_split)
trace << "splitting did occur during this pass." << std::endl;
else
trace << "splitting did not occur during this pass." << std::endl;
std::swap(cur_run, next_run);
}
bdd_states_map::iterator bsi = bdd_map.begin(); done.splice(done.end(), cur_run);
if (bdd_map.size() == 1)
{
// The set was not split.
trace << "set " << format_hash_set(bsi->second, det_a)
<< " was not split" << std::endl;
next_run.push_back(bsi->second);
}
else
{
did_split = true;
for (; bsi != bdd_map.end(); ++bsi)
{
hash_set* set = bsi->second;
// Free the number associated to these states.
unsigned num = state_set_map[*set->begin()];
assert(used_var.find(num) != used_var.end());
unsigned left = (used_var[num] -= set->size());
// Make sure LEFT does not become negative (hence bigger
// than SIZE when read as unsigned)
assert(left < size);
if (left == 0)
{
used_var.erase(num);
free_var.insert(num);
}
// Pick a free number
assert(!free_var.empty());
num = *free_var.begin();
free_var.erase(free_var.begin());
used_var[num] = set->size();
for (hash_set::iterator hit = set->begin();
hit != set->end(); ++hit)
state_set_map[*hit] = num;
// Trivial sets can't be splitted any further.
if (set->size() == 1)
{
trace << "set " << format_hash_set(set, det_a)
<< " is minimal" << std::endl;
done.push_back(set);
}
else
{
trace << "set " << format_hash_set(set, det_a)
<< " should be processed further" << std::endl;
next_run.push_back(set);
}
}
}
delete cur;
}
if (did_split)
trace << "splitting did occur during this pass." << std::endl;
else
trace << "splitting did not occur during this pass." << std::endl;
std::swap(cur_run, next_run);
}
done.splice(done.end(), cur_run);
#ifdef TRACE #ifdef TRACE
trace << "Final partition: "; trace << "Final partition: ";
for (partition_t::const_iterator i = done.begin(); i != done.end(); ++i) for (partition_t::const_iterator i = done.begin(); i != done.end(); ++i)
trace << format_hash_set(*i, det_a) << ' '; trace << format_hash_set(*i, det_a) << ' ';
trace << std::endl; trace << std::endl;
#endif #endif
// Build the result. // Build the result.
auto res = build_result(det_a, done, final_copy); auto res = build_result(det_a, done, final_copy);
// Free all the allocated memory. // Free all the allocated memory.
delete final_copy; delete final_copy;
hash_map::iterator hit; hash_map::iterator hit;
for (hit = state_set_map.begin(); hit != state_set_map.end();) for (hit = state_set_map.begin(); hit != state_set_map.end();)
{ {
hash_map::iterator old = hit++; hash_map::iterator old = hit++;
old->first->destroy(); old->first->destroy();
} }
std::list<hash_set*>::iterator it; std::list<hash_set*>::iterator it;
for (it = done.begin(); it != done.end(); ++it) for (it = done.begin(); it != done.end(); ++it)
delete *it; delete *it;
return res; return res;
}
} }
twa_graph_ptr minimize_monitor(const const_twa_graph_ptr& a) twa_graph_ptr minimize_monitor(const const_twa_graph_ptr& a)
{ {
hash_set* final = new hash_set; hash_set* final = new hash_set;