/usr/include/polymake/perl/calls.h is in libpolymake-dev-common 3.2r2-3.
This file is owned by root:root, with mode 0o644.
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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());
PropertyValue get_custom(const AnyString& name, const AnyString& key=AnyString());
class FunCall;
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);
friend
PropertyValue get_custom(const AnyString& name, const AnyString& key);
PropertyValue() {}
template <typename... TOptions>
explicit PropertyValue(SV* sv_arg, TOptions... options)
: Value(sv_arg)
{
set_options(options...);
}
void set_options() {}
template <typename... TMoreOptions>
void set_options(value_flags flag, TMoreOptions... more_options)
{
options |= flag;
set_options(more_options...);
}
template <typename... TMoreOptions>
void set_options(allow_conversion, TMoreOptions... more_options)
{
options |= value_allow_conversion;
set_options(more_options...);
}
void operator= (const PropertyValue&) = delete;
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::NoAnchors Value::put_val(const PropertyValue& x, int, int)
{
set_copy(x);
return NoAnchors();
}
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);
}
template <typename TContainerRef>
struct Unrolled {
explicit Unrolled(TContainerRef c)
: container(c) {}
TContainerRef container;
};
template <typename TContainer>
inline
Unrolled<TContainer&&> unroll(TContainer&& c)
{
return Unrolled<TContainer&&>(std::forward<TContainer>(c));
}
class ListResult
: protected Array {
public:
ListResult(ListResult&&) = default;
ListResult& operator= (ListResult&&) = default;
template <typename Target>
ListResult& operator>> (Target& x)
{
if (!empty()) {
Value v(shift(), value_allow_undef | value_not_trusted);
v >> x;
v.forget();
}
return *this;
}
template <typename TContainerRef>
void operator>> (Unrolled<TContainerRef>&& c)
{
Value v(sv, value_not_trusted);
v.retrieve_nomagic(c.container);
forget();
sv=nullptr;
}
void operator>> (Unrolled<Array&>&& c)
{
c.container=static_cast<Array&&>(*this);
}
protected:
ListResult(int items, FunCall& fc);
friend class Object;
friend class FunCall;
private:
ListResult(const ListResult&) = delete;
void operator=(const ListResult&) = delete;
};
class FunCall
: protected Stack {
void operator= (const FunCall&) = delete;
FunCall(const FunCall&) = delete;
public:
FunCall(FunCall&&) = default;
~FunCall();
template <typename... TArgs>
static
FunCall call_function(const AnyString& name, TArgs&&... args)
{
FunCall fc(false, name, count_args(std::forward<TArgs>(args)...));
fc.push_args(std::forward<TArgs>(args)...);
return fc;
}
template <typename... TArgs>
static
FunCall call_method(const AnyString& name, SV* obj_ref, TArgs&&... args)
{
FunCall fc(true, name, 1+count_args(std::forward<TArgs>(args)...));
fc.push(obj_ref);
fc.push_args(std::forward<TArgs>(args)...);
return fc;
}
// single consumer: call in a scalar context
template <typename Target,
typename=typename std::enable_if<Concrete<Target>::value>::type>
operator Target ()
{
return PropertyValue(call_scalar_context(), value_not_trusted);
}
operator ListResult ()
{
return ListResult(call_list_context(), *this);
}
template <typename Target>
ListResult operator>> (Target&& x)
{
return std::move(ListResult(call_list_context(), *this) >> std::forward<Target>(x));
}
protected:
FunCall(bool is_method, const AnyString& name, int reserve);
template <typename... TArgs>
static
typename std::enable_if<!mlist_or<is_instance_of<pure_type_t<TArgs>, Unrolled>...>::value, int>::type
count_args(TArgs&&... args) { return sizeof...(TArgs); }
template <typename TContainer, typename... MoreArgs>
static
int count_args(Unrolled<TContainer>&& c, MoreArgs&&... more_args)
{
return c.container.size()+count_args(std::forward<MoreArgs>(more_args)...);
}
template <typename FirstArg, typename... MoreArgs>
static
typename std::enable_if<!is_instance_of<FirstArg, Unrolled>::value && mlist_or<is_instance_of<pure_type_t<MoreArgs>, Unrolled>...>::value, int>::type
count_args(FirstArg&& first_arg, MoreArgs&&... more_args)
{
return 1+count_args(std::forward<MoreArgs>(more_args)...);
}
void push_args() {}
template <typename FirstArg, typename... MoreArgs>
void push_args(FirstArg&& first_arg, MoreArgs&&... more_args)
{
push_arg(std::forward<FirstArg>(first_arg));
push_args(std::forward<MoreArgs>(more_args)...);
}
template <typename TArg>
typename std::enable_if<!is_instance_of<pure_type_t<TArg>, Unrolled>::value &&
!std::is_same<pure_type_t<TArg>, OptionSet>::value>::type
push_arg(TArg&& arg)
{
Value v(value_allow_non_persistent | value_allow_store_any_ref);
v.put(std::forward<TArg>(arg), 0);
push_temp(v);
}
template <typename TContainerRef>
void push_arg(Unrolled<TContainerRef>&& c)
{
for (auto it=entire(c.container); !it.at_end(); ++it) {
Value v(value_allow_non_persistent | value_allow_store_any_ref);
v.put(*it, 0);
push_temp(v);
}
}
void push_arg(FunCall&& x);
void push_arg(const OptionSet& options)
{
push(options.get());
}
void push_arg(SV* sv)
{
push(sv);
}
SV* call_scalar_context();
int call_list_context();
SV* func;
const char* method_name;
friend class ListResult;
};
int get_debug_level();
} }
namespace polymake {
template <typename... Args>
pm::perl::FunCall call_function(const AnyString& name, Args&&... args)
{
return pm::perl::FunCall::call_function(name, std::forward<Args>(args)...);
}
template <typename... Args>
[[deprecated("CallPolymakeFunction macros are deprecated, please use call_function() instead")]]
pm::perl::FunCall call_function_deprecated(const AnyString& name, Args&&... args)
{
return pm::perl::FunCall::call_function(name, std::forward<Args>(args)...);
}
namespace perl {
using pm::perl::unroll;
}
}
#endif // POLYMAKE_PERL_CALLS_H
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// mode:C++
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// indent-tabs-mode:nil
// End:
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