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#pragma once
#include <cctype>
#include <cstdlib>
#include <openvic-dataloader/v2script/AbstractSyntaxTree.hpp>
#include <lexy/callback.hpp>
#include <lexy/dsl.hpp>
#include <lexy/grammar.hpp>
#include "openvic-dataloader/NodeLocation.hpp"
#include "SimpleGrammar.hpp"
#include "detail/InternalConcepts.hpp"
#include "detail/dsl.hpp"
#include "v2script/AiBehaviorGrammar.hpp"
#include "v2script/EffectGrammar.hpp"
#include "v2script/ModifierGrammar.hpp"
// Event Grammar Definitions //
namespace ovdl::v2script::grammar {
static constexpr auto event_symbols = lexy::symbol_table<bool> //
.map<LEXY_SYMBOL("country_event")>(false)
.map<LEXY_SYMBOL("province_event")>(true);
struct EventMtthStatement {
struct MonthValue {
static constexpr auto rule = lexy::dsl::p<Identifier<StringEscapeOption>>;
static constexpr auto value = dsl::callback<ast::IdentifierValue*>(
[](detail::IsParseState auto& state, ast::IdentifierValue* value) {
bool is_number = true;
for (auto* current = value->value().c_str(); *current; current++) {
is_number = is_number && std::isdigit(*current);
if (!is_number) break;
}
if (!is_number) {
state.logger().warning("month is not an integer") //
.primary(state.ast().location_of(value), "here")
.finish();
}
return value;
});
};
using months = keyword_rule<"months", lexy::dsl::p<MonthValue>>;
static constexpr auto rule = dsl::curly_bracketed(lexy::dsl::p<months> | lexy::dsl::p<ModifierStatement>);
static constexpr auto value = lexy::as_list<ast::AssignStatementList> >> construct_list<ast::ListValue, true>;
};
static constexpr auto str_or_id = lexy::dsl::p<SimpleGrammar<StringEscapeOption>::ValueExpression>;
struct EventOptionList {
using name = fkeyword_rule<"name", str_or_id>;
using ai_chance = fkeyword_rule<"ai_chance", lexy::dsl::p<AiBehaviorBlock>>;
static constexpr auto rule = [] {
using helper = dsl::rule_helper<name, ai_chance>;
return dsl::curly_bracketed(helper::flags + lexy::dsl::list(helper::p | lexy::dsl::p<EffectStatement>));
}();
static constexpr auto value = lexy::as_list<ast::AssignStatementList> >> construct_list<ast::ListValue, true>;
};
struct EventStatement {
using id = fkeyword_rule<"id", str_or_id>;
using title = fkeyword_rule<"title", str_or_id>;
using desc = fkeyword_rule<"desc", str_or_id>;
using picture = fkeyword_rule<"picture", str_or_id>;
using is_triggered_only = fkeyword_rule<"is_triggered_only", str_or_id>;
using fire_only_once = fkeyword_rule<"fire_only_once", str_or_id>;
using immediate = fkeyword_rule<"immediate", lexy::dsl::p<EffectBlock>>;
using mean_time_to_happen = fkeyword_rule<"mean_time_to_happen", lexy::dsl::p<EventMtthStatement>>;
using trigger = keyword_rule<"trigger", lexy::dsl::p<TriggerBlock>>;
using option = keyword_rule<"option", lexy::dsl::p<EventOptionList>>;
struct EventList {
static constexpr auto rule = [] {
using helper = dsl::rule_helper<id, title, desc, picture, is_triggered_only, fire_only_once, immediate, mean_time_to_happen>;
return helper::flags +
dsl::curly_bracketed.opt_list(
helper::p | lexy::dsl::p<trigger> | lexy::dsl::p<option> |
lexy::dsl::p<SAssignStatement<StringEscapeOption>>);
}();
static constexpr auto value = lexy::as_list<ast::AssignStatementList> >> construct_list<ast::ListValue, true>;
};
static constexpr auto rule = dsl::p<Identifier<StringEscapeOption>> >> lexy::dsl::equal_sign >> lexy::dsl::p<EventList>;
static constexpr auto value =
dsl::callback<ast::EventStatement*>(
[](detail::IsParseState auto& state, NodeLocation loc, ast::IdentifierValue* name, ast::ListValue* list) {
auto country_decl = state.ast().intern("country_event");
auto province_decl = state.ast().intern("province_event");
if (name->value() != country_decl || name->value() != province_decl) {
state.logger().warning("event declarator \"{}\" is not {} or {}", name->value().c_str(), country_decl.c_str(), province_decl.c_str()) //
.primary(loc, "here")
.finish();
}
return state.ast().template create<ast::EventStatement>(loc, name->value() == province_decl, list);
});
};
struct EventFile {
// Allow arbitrary spaces between individual tokens.
static constexpr auto whitespace = whitespace_specifier | comment_specifier;
static constexpr auto rule = lexy::dsl::position + lexy::dsl::terminator(lexy::dsl::eof).list(lexy::dsl::p<EventStatement> | lexy::dsl::p<SAssignStatement<StringEscapeOption>>);
static constexpr auto value = lexy::as_list<ast::StatementList> >> construct<ast::FileTree>;
};
}
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zaaarf