* iface/gspn/gspn.cc, src/ltlvisit/basicreduce.cc,

src/ltlvisit/destroy.cc, src/ltlvisit/dotty.cc,
src/ltlvisit/dump.cc, src/ltlvisit/length.cc,
src/ltlvisit/nenoform.cc, src/ltlvisit/reduce.cc,
src/ltlvisit/syntimpl.cc, src/ltlvisit/tostring.cc,
src/tgba/formula2bdd.cc, src/tgba/tgbabddconcreteproduct.cc,
src/tgba/tgbatba.cc, src/tgbaalgos/dotty.cc,
src/tgbaalgos/dupexp.cc, src/tgbaalgos/lbtt.cc,
src/tgbaalgos/ltl2tgba_lacim.cc, src/tgbaalgos/neverclaim.cc,
src/tgbaalgos/save.cc, src/tgbaalgos/stats.cc,
src/tgbaalgos/gtec/nsheap.cc, src/tgbaalgos/gtec/nsheap.hh:
Declare private classes and helper function in anonymous namespaces.
* HACKING, src/sanity/style.test: Document and check this.
Also check for trailing { after namespace or class.
* src/ltlast/predecl.hh, src/ltlast/visitor.hh,
src/tgba/tgbareduc.hh: Fix trailing {.
This commit is contained in:
Alexandre Duret-Lutz 2004-10-18 13:56:31 +00:00
parent 5176caf4d2
commit 7d27fd3796
28 changed files with 3128 additions and 3025 deletions

View file

@ -32,159 +32,161 @@ namespace spot
{
namespace ltl
{
static bool
is_bare_word(const char* str)
namespace
{
// Bare words cannot be empty, start with the letter of a unary
// operator, or be the name of an existing constant. Also they
// should start with an letter.
if (!*str
|| *str == 'F'
|| *str == 'G'
|| *str == 'X'
|| !(isalpha(*str) || *str == '_')
|| !strcasecmp(str, "true")
|| !strcasecmp(str, "false"))
return false;
// The remaining of the word must be alphanumeric.
while (*++str)
if (!(isalnum(*str) || *str == '_'))
static bool
is_bare_word(const char* str)
{
// Bare words cannot be empty, start with the letter of a unary
// operator, or be the name of an existing constant. Also they
// should start with an letter.
if (!*str
|| *str == 'F'
|| *str == 'G'
|| *str == 'X'
|| !(isalpha(*str) || *str == '_')
|| !strcasecmp(str, "true")
|| !strcasecmp(str, "false"))
return false;
return true;
// The remaining of the word must be alphanumeric.
while (*++str)
if (!(isalnum(*str) || *str == '_'))
return false;
return true;
}
class to_string_visitor: public const_visitor
{
public:
to_string_visitor(std::ostream& os)
: os_(os), top_level_(true)
{
}
virtual
~to_string_visitor()
{
}
void
visit(const atomic_prop* ap)
{
std::string str = ap->name();
if (!is_bare_word(str.c_str()))
{
os_ << '"' << str << '"';
}
else
{
os_ << str;
}
}
void
visit(const constant* c)
{
os_ << c->val_name();
}
void
visit(const binop* bo)
{
bool top_level = top_level_;
top_level_ = false;
if (!top_level)
os_ << "(";
bo->first()->accept(*this);
switch (bo->op())
{
case binop::Xor:
os_ << " ^ ";
break;
case binop::Implies:
os_ << " => ";
break;
case binop::Equiv:
os_ << " <=> ";
break;
case binop::U:
os_ << " U ";
break;
case binop::R:
os_ << " R ";
break;
}
bo->second()->accept(*this);
if (!top_level)
os_ << ")";
}
void
visit(const unop* uo)
{
// The parser treats F0, F1, G0, G1, X0, and X1 as atomic
// propositions. So make sure we output F(0), G(1), etc.
bool need_parent = !!dynamic_cast<const constant*>(uo->child());
switch (uo->op())
{
case unop::Not:
os_ << "!";
need_parent = false;
break;
case unop::X:
os_ << "X";
break;
case unop::F:
os_ << "F";
break;
case unop::G:
os_ << "G";
break;
}
top_level_ = false;
if (need_parent)
os_ << "(";
uo->child()->accept(*this);
if (need_parent)
os_ << ")";
}
void
visit(const multop* mo)
{
bool top_level = top_level_;
top_level_ = false;
if (!top_level)
os_ << "(";
unsigned max = mo->size();
mo->nth(0)->accept(*this);
const char* ch = " ";
switch (mo->op())
{
case multop::Or:
ch = " | ";
break;
case multop::And:
ch = " & ";
break;
}
for (unsigned n = 1; n < max; ++n)
{
os_ << ch;
mo->nth(n)->accept(*this);
}
if (!top_level)
os_ << ")";
}
protected:
std::ostream& os_;
bool top_level_;
};
}
class to_string_visitor : public const_visitor
{
public:
to_string_visitor(std::ostream& os)
: os_(os), top_level_(true)
{
}
virtual
~to_string_visitor()
{
}
void
visit(const atomic_prop* ap)
{
std::string str = ap->name();
if (!is_bare_word(str.c_str()))
{
os_ << '"' << str << '"';
}
else
{
os_ << str;
}
}
void
visit(const constant* c)
{
os_ << c->val_name();
}
void
visit(const binop* bo)
{
bool top_level = top_level_;
top_level_ = false;
if (!top_level)
os_ << "(";
bo->first()->accept(*this);
switch (bo->op())
{
case binop::Xor:
os_ << " ^ ";
break;
case binop::Implies:
os_ << " => ";
break;
case binop::Equiv:
os_ << " <=> ";
break;
case binop::U:
os_ << " U ";
break;
case binop::R:
os_ << " R ";
break;
}
bo->second()->accept(*this);
if (!top_level)
os_ << ")";
}
void
visit(const unop* uo)
{
// The parser treats F0, F1, G0, G1, X0, and X1 as atomic
// propositions. So make sure we output F(0), G(1), etc.
bool need_parent = !!dynamic_cast<const constant*>(uo->child());
switch (uo->op())
{
case unop::Not:
os_ << "!";
need_parent = false;
break;
case unop::X:
os_ << "X";
break;
case unop::F:
os_ << "F";
break;
case unop::G:
os_ << "G";
break;
}
top_level_ = false;
if (need_parent)
os_ << "(";
uo->child()->accept(*this);
if (need_parent)
os_ << ")";
}
void
visit(const multop* mo)
{
bool top_level = top_level_;
top_level_ = false;
if (!top_level)
os_ << "(";
unsigned max = mo->size();
mo->nth(0)->accept(*this);
const char* ch = " ";
switch (mo->op())
{
case multop::Or:
ch = " | ";
break;
case multop::And:
ch = " & ";
break;
}
for (unsigned n = 1; n < max; ++n)
{
os_ << ch;
mo->nth(n)->accept(*this);
}
if (!top_level)
os_ << ")";
}
protected:
std::ostream& os_;
bool top_level_;
};
std::ostream&
to_string(const formula* f, std::ostream& os)
{