/usr/include/polymake/perl/calls.h is in polymake 3.0r1-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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Ewgenij Gawrilow, Michael Joswig (Technische Universitaet Berlin, Germany)
http://www.polymake.org
This program is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 2, or (at your option) any
later version: http://www.gnu.org/licenses/gpl.txt.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
--------------------------------------------------------------------------------
*/
#ifndef POLYMAKE_PERL_CALLS_H
#define POLYMAKE_PERL_CALLS_H
namespace pm { namespace perl {
class PropertyValue;
PropertyValue load_data(const std::string& filename);
template <typename T> inline
void save_data(const std::string& filename, const T& data, const std::string& description=std::string());
SV* get_custom_var(const char* name, size_t ll, const char* key, size_t kl);
template <size_t ll>
PropertyValue get_custom(const char (&name)[ll]);
PropertyValue get_custom(const std::string& name);
template <size_t ll>
PropertyValue get_custom(const char (&name)[ll], const std::string& key);
PropertyValue get_custom(const std::string& name, const std::string& key);
class PropertyValue : public Value {
friend class Object; friend class ObjectType;
friend class FunCall;
friend PropertyValue load_data(const std::string& filename);
template <typename T> friend
void save_data(const std::string& filename, const T& data, const std::string& description);
template <size_t ll> friend
PropertyValue get_custom(const char (&name)[ll]);
friend
PropertyValue get_custom(const std::string& name);
template <size_t ll> friend
PropertyValue get_custom(const char (&name)[ll], const std::string& key);
friend
PropertyValue get_custom(const std::string& name, const std::string& key);
PropertyValue() {}
explicit PropertyValue(SV* sv_arg, value_flags opt_arg=value_flags(0)) :
Value(sv_arg, opt_arg) {}
// inhibited
void operator= (const PropertyValue&);
static SV* _load_data(const std::string& filename);
void _save_data(const std::string&, const std::string&);
public:
PropertyValue(const PropertyValue& x);
~PropertyValue();
};
inline
Value::NoAnchor* Value::put(const PropertyValue& x, const char*, int)
{
set_copy(x);
return NULL;
}
inline
PropertyValue load_data(const std::string& filename)
{
return PropertyValue(PropertyValue::_load_data(filename));
}
template <typename T> inline
void save_data(const std::string& filename, const T& data, const std::string& description)
{
PropertyValue v;
v << data;
v._save_data(filename, description);
}
class ListResult : protected Array {
friend class FunCall; friend class Object;
protected:
ListResult(int items, const FunCall&);
public:
template <typename Target>
ListResult& operator>> (Target& x)
{
if (size() == 0)
throw std::runtime_error("no more values in the result list");
Value v(shift(), value_flags(value_allow_undef | value_not_trusted));
v >> x;
v.forget();
return *this;
}
using Array::size;
using Array::operator[];
using Array::begin;
using Array::end;
};
class TempOptionsPendingVal;
class TempOptions : protected HashHolder {
friend class FunCall; friend class Object;
protected:
Value val;
public:
TempOptions() : val(NULL) {};
// const return types prevent an odd option list from being consumed by FunCall
const TempOptionsPendingVal& operator, (const std::string& key);
template <size_t ll>
const TempOptionsPendingVal& operator, (const char (&key)[ll]);
};
class TempOptionsPendingVal : public TempOptions {
protected:
TempOptionsPendingVal();
~TempOptionsPendingVal();
public:
template <typename T>
TempOptions& operator, (const T& x) const
{
val << x;
return const_cast<TempOptionsPendingVal&>(*this);
}
};
inline
const TempOptionsPendingVal& TempOptions::operator, (const std::string& key)
{
val=_access(key.c_str(), key.size(), true);
return static_cast<const TempOptionsPendingVal&>(*this);
}
template <size_t ll> inline
const TempOptionsPendingVal& TempOptions::operator, (const char (&key)[ll])
{
val=_access(key, ll-1, true);
return static_cast<const TempOptionsPendingVal&>(*this);
}
class FunCall : protected Stack {
friend class Object; friend class ListResult;
protected:
mutable SV* func;
void prepare_function_call(const char* name, size_t nl);
SV* call() const;
int list_call() const;
SV* evaluate_method(SV* obj, const char* name) const;
int list_evaluate_method(SV* obj, const char* name) const;
void void_evaluate_method(SV* obj, const char* name) const;
void push_arg_list(SV* args) const;
private:
// inhibited
void operator= (const FunCall&);
public:
// prepare method call
FunCall();
explicit FunCall(const std::string& name) : Stack(false,1)
{
prepare_function_call(name.c_str(), name.size());
}
template <size_t nl>
explicit FunCall(const char (&name)[nl]) : Stack(false,1)
{
prepare_function_call(name, nl-1);
}
~FunCall()
{
if (__builtin_expect(func != NULL, 0)) cancel();
}
// gathering arguments
template <typename Arg>
const FunCall& operator, (const Arg& arg) const
{
Value v(value_allow_non_persistent);
v << arg;
push(v.get_temp());
return *this;
}
const FunCall& operator, (ArgList& args) const
{
push_arg_list(args.get_temp());
return *this;
}
const FunCall& operator, (TempOptions& args) const
{
push(args.get_temp());
return *this;
}
PropertyValue evaluate() const
{
return PropertyValue(call(), value_flags(value_allow_undef | value_not_trusted));
}
ListResult list_evaluate() const
{
return ListResult(list_call(), *this);
}
void void_evaluate() const;
};
template <size_t ll> inline
PropertyValue get_custom(const char (&name)[ll])
{
return PropertyValue(get_custom_var(name, ll-1, NULL, 0), value_allow_undef);
}
inline
PropertyValue get_custom(const std::string& name)
{
return PropertyValue(get_custom_var(name.c_str(), name.size(), NULL, 0), value_allow_undef);
}
template <size_t ll> inline
PropertyValue get_custom(const char (&name)[ll], const std::string& key)
{
return PropertyValue(get_custom_var(name, ll-1, key.c_str(), key.size()), value_allow_undef);
}
inline
PropertyValue get_custom(const std::string& name, const std::string& key)
{
return PropertyValue(get_custom_var(name.c_str(), name.size(), key.c_str(), key.size()), value_allow_undef);
}
int get_debug_level();
} }
#endif // POLYMAKE_PERL_CALLS_H
// Local Variables:
// mode:C++
// c-basic-offset:3
// indent-tabs-mode:nil
// End:
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