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#include "Parse.h"
#include "EffectParser.h"
#include "../universe/Condition.h"
#include "../universe/Effect.h"
#include "../universe/ValueRef.h"
#include "../universe/UnlockableItem.h"
#include "../Empire/Government.h"
#include "../util/Directories.h"
#include <boost/phoenix.hpp>
#define DEBUG_PARSERS 0
#if DEBUG_PARSERS
namespace std {
inline ostream& operator<<(ostream& os, const parse::effects_group_payload&) { return os; }
inline ostream& operator<<(ostream& os, const PolicyManager::PoliciesTypeMap&) { return os; }
inline ostream& operator<<(ostream& os, const PolicyManager::PoliciesTypeMap::value_type&) { return os; }
}
#endif
namespace {
const boost::phoenix::function<parse::detail::is_unique> is_unique_;
struct PolicyStrings {
PolicyStrings() = default;
PolicyStrings(std::string& name_, std::string& desc_,
std::string& short_desc_, std::string& cat_) :
name(std::move(name_)),
desc(std::move(desc_)),
short_desc(std::move(short_desc_)),
cat(std::move(cat_))
{}
std::string name;
std::string desc;
std::string short_desc;
std::string cat;
};
struct policy_pod {
policy_pod(PolicyStrings& strings_,
const boost::optional<parse::detail::value_ref_payload<double>>& adoption_cost_,
std::set<std::string>& prerequisites_,
std::set<std::string>& exclusions_,
const boost::optional<parse::effects_group_payload>& effects_,
boost::optional<std::vector<UnlockableItem>>& unlocked_items_,
std::string& graphic_) :
name(std::move(strings_.name)),
description(std::move(strings_.desc)),
short_description(std::move(strings_.short_desc)),
category(std::move(strings_.cat)),
exclusions(std::move(exclusions_)),
prerequisites(std::move(prerequisites_)),
adoption_cost(adoption_cost_),
effects(effects_),
unlocked_items(std::move(unlocked_items_)),
graphic(std::move(graphic_))
{}
std::string name;
std::string description;
std::string short_description;
std::string category;
std::set<std::string> exclusions;
std::set<std::string> prerequisites;
const boost::optional<parse::detail::value_ref_payload<double>> adoption_cost;
const boost::optional<parse::effects_group_payload>& effects;
boost::optional<std::vector<UnlockableItem>> unlocked_items;
std::string graphic;
};
void insert_policy(std::vector<Policy>& policies, policy_pod policy_, bool& pass) {
policies.emplace_back(std::move(policy_.name), std::move(policy_.description),
std::move(policy_.short_description), std::move(policy_.category),
(policy_.adoption_cost ? policy_.adoption_cost->OpenEnvelope(pass) : nullptr),
std::move(policy_.prerequisites), std::move(policy_.exclusions),
(policy_.effects ? OpenEnvelopes(*policy_.effects, pass) : std::vector<std::unique_ptr<Effect::EffectsGroup>>{}),
(policy_.unlocked_items ? std::move(*policy_.unlocked_items) : std::vector<UnlockableItem>{}),
std::move(policy_.graphic));
}
BOOST_PHOENIX_ADAPT_FUNCTION(void, insert_policy_, insert_policy, 3)
using stringset_rule_type = parse::detail::rule<std::set<std::string> ()>;
using stringset_grammar_type = parse::detail::grammar<std::set<std::string> ()>;
struct prereqs_grammar : public stringset_grammar_type {
prereqs_grammar(const parse::lexer& tok, parse::detail::Labeller& label) :
prereqs_grammar::base_type(start, "prereqs_grammar"),
one_or_more_string_tokens(tok)
{
start %= -(label(tok.prerequisites_) >> one_or_more_string_tokens);
start.name("Prerequisites");
#if DEBUG_PARSERS
debug(start);
#endif
}
stringset_rule_type start;
parse::detail::single_or_repeated_string<std::set<std::string>> one_or_more_string_tokens;
};
struct exclusions_grammar : public stringset_grammar_type {
exclusions_grammar(const parse::lexer& tok, parse::detail::Labeller& label) :
exclusions_grammar::base_type(start, "exclusions_grammar"),
one_or_more_string_tokens(tok)
{
start %= -(label(tok.exclusions_) >> one_or_more_string_tokens);
start.name("Exclusions");
#if DEBUG_PARSERS
debug(start);
#endif
}
stringset_rule_type start;
parse::detail::single_or_repeated_string<std::set<std::string>> one_or_more_string_tokens;
};
using start_rule_payload = std::vector<Policy>;
using start_rule_signature = void(start_rule_payload&);
struct grammar : public parse::detail::grammar<start_rule_signature> {
grammar(const parse::lexer& tok,
const std::string& filename,
const parse::text_iterator first, const parse::text_iterator last) :
grammar::base_type(start),
condition_parser(tok, label),
string_grammar(tok, label, condition_parser),
double_rules(tok, label, condition_parser, string_grammar),
prerequisites(tok, label),
exclusions(tok, label),
effects_group_grammar(tok, label, condition_parser, string_grammar),
unlockable_item_parser(tok, label),
one_or_more_unlockable_items(unlockable_item_parser)
{
namespace phoenix = boost::phoenix;
namespace qi = boost::spirit::qi;
using phoenix::construct;
qi::_1_type _1;
qi::_2_type _2;
qi::_3_type _3;
qi::_4_type _4;
qi::_5_type _5;
qi::_6_type _6;
qi::_7_type _7;
qi::_pass_type _pass;
qi::_r1_type _r1;
qi::_val_type _val;
qi::eps_type eps;
policy_strings
= ( tok.Policy_ // _1
> label(tok.name_) > tok.string // _2
> label(tok.description_) > tok.string // _3
> label(tok.short_description_) > tok.string // _4
> label(tok.category_) > tok.string // _5
) [ _pass = is_unique_(_r1, _1, _2),
_val = construct<PolicyStrings>(_2, _3, _4, _5) ]
;
policy
= ( policy_strings(_r1) // _1
> label(tok.adoptioncost_) > double_rules.expr // _2
> prerequisites // _3
> exclusions // _4
> -(label(tok.unlock_) > one_or_more_unlockable_items) // _5
> -(label(tok.effectsgroups_) > effects_group_grammar) // _6
> label(tok.graphic_) > tok.string) // _7
[ insert_policy_(
_r1,
phoenix::construct<policy_pod>(
_1, _2, _3, _4, _6, _5, _7),
_pass
) ]
;
start
= +policy(_r1)
;
policy.name("Policy");
prerequisites.name("Prerequisites");
exclusions.name("Exclusions");
#if DEBUG_PARSERS
debug(policy);
debug(prerequisites);
debug(exclusions)
#endif
qi::on_error<qi::fail>(start, parse::report_error(filename, first, last, _1, _2, _3, _4));
}
using policy_rule = parse::detail::rule<void (start_rule_payload&)>;
using start_rule = parse::detail::rule<start_rule_signature>;
using unlocks_rule = parse::detail::rule<std::vector<UnlockableItem> ()>;
using policy_strings_rule = parse::detail::rule<PolicyStrings (const start_rule_payload&)>;
using unlockable_items = parse::detail::single_or_bracketed_repeat<parse::detail::unlockable_item_grammar>;
parse::detail::Labeller label;
parse::conditions_parser_grammar condition_parser;
const parse::string_parser_grammar string_grammar;
parse::double_parser_rules double_rules;
prereqs_grammar prerequisites;
exclusions_grammar exclusions;
parse::effects_group_grammar effects_group_grammar;
parse::detail::unlockable_item_grammar unlockable_item_parser;
unlockable_items one_or_more_unlockable_items;
policy_strings_rule policy_strings;
policy_rule policy;
start_rule start;
};
}
namespace parse {
template <typename P>
P policies(const boost::filesystem::path& path) {
static_assert(std::is_same_v<P, std::vector<Policy>>);
std::vector<Policy> policies_;
ScopedTimer timer("Policies Parsing");
for (const auto& file : ListDir(path, IsFOCScript))
detail::parse_file<grammar, start_rule_payload>(GetLexer(), file, policies_);
return policies_;
}
}
// explicitly instantiate policies parser.
// This allows Tech.h to only be included in this .cpp file and not Parse.h
// which recompiles all parsers if Tech.h changes.
template FO_PARSE_API std::vector<Policy> parse::policies<std::vector<Policy>>(
const boost::filesystem::path& path);
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