diff options
Diffstat (limited to 'src/openvic-dataloader/v2script/DecisionGrammar.hpp')
| -rw-r--r-- | src/openvic-dataloader/v2script/DecisionGrammar.hpp | 115 |
1 files changed, 24 insertions, 91 deletions
diff --git a/src/openvic-dataloader/v2script/DecisionGrammar.hpp b/src/openvic-dataloader/v2script/DecisionGrammar.hpp index 3bd5cba..05cb8cc 100644 --- a/src/openvic-dataloader/v2script/DecisionGrammar.hpp +++ b/src/openvic-dataloader/v2script/DecisionGrammar.hpp @@ -1,109 +1,49 @@ #pragma once -#include <vector> - #include <openvic-dataloader/v2script/AbstractSyntaxTree.hpp> #include <lexy/callback.hpp> #include <lexy/callback/adapter.hpp> +#include <lexy/callback/constant.hpp> #include <lexy/callback/container.hpp> #include <lexy/dsl.hpp> +#include <lexy/dsl/brackets.hpp> #include <lexy/dsl/option.hpp> +#include <lexy/dsl/position.hpp> +#include <lexy/dsl/production.hpp> -#include "AiBehaviorGrammar.hpp" -#include "SimpleGrammar.hpp" -#include "TriggerGrammar.hpp" +#include "v2script/AiBehaviorGrammar.hpp" +#include "v2script/TriggerGrammar.hpp" // Decision Grammar Definitions // namespace ovdl::v2script::grammar { - ////////////////// - // Macros - ////////////////// -// Produces <KW_NAME>_rule and <KW_NAME>_p -#define OVDL_GRAMMAR_KEYWORD_DEFINE(KW_NAME) \ - struct KW_NAME##_rule { \ - static constexpr auto keyword = LEXY_KEYWORD(#KW_NAME, lexy::dsl::inline_<Identifier<StringEscapeOption>>); \ - static constexpr auto rule = keyword >> lexy::dsl::equal_sign; \ - static constexpr auto value = lexy::noop; \ - }; \ - static constexpr auto KW_NAME##_p = lexy::dsl::p<KW_NAME##_rule> - -// Produces <KW_NAME>_rule and <KW_NAME>_p and <KW_NAME>_rule::flag and <KW_NAME>_rule::too_many_error -#define OVDL_GRAMMAR_KEYWORD_FLAG_DEFINE(KW_NAME) \ - struct KW_NAME##_rule { \ - static constexpr auto keyword = LEXY_KEYWORD(#KW_NAME, lexy::dsl::inline_<Identifier<StringEscapeOption>>); \ - static constexpr auto rule = keyword >> lexy::dsl::equal_sign; \ - static constexpr auto value = lexy::noop; \ - static constexpr auto flag = lexy::dsl::context_flag<struct KW_NAME##_context>; \ - struct too_many_error { \ - static constexpr auto name = "expected left side " #KW_NAME " to be found once"; \ - }; \ - }; \ - static constexpr auto KW_NAME##_p = lexy::dsl::p<KW_NAME##_rule> >> (lexy::dsl::must(KW_NAME##_rule::flag.is_reset()).error<KW_NAME##_rule::too_many_error> + KW_NAME##_rule::flag.set()) - ////////////////// - // Macros - ////////////////// struct DecisionStatement { - template<auto Production, typename AstNode> - struct _StringStatement { - static constexpr auto rule = Production >> (lexy::dsl::p<StringExpression<StringEscapeOption>> | lexy::dsl::p<Identifier<StringEscapeOption>>); - static constexpr auto value = lexy::forward<ast::NodePtr>; - }; - template<auto Production, typename AstNode> - static constexpr auto StringStatement = lexy::dsl::p<_StringStatement<Production, AstNode>>; + using potential = fkeyword_rule<"potential", lexy::dsl::p<TriggerBlock>>; + using allow = fkeyword_rule<"allow", lexy::dsl::p<TriggerBlock>>; + using effect = fkeyword_rule<"effect", lexy::dsl::p<TriggerBlock>>; + using ai_will_do = fkeyword_rule<"ai_will_do", lexy::dsl::p<AiBehaviorBlock>>; - OVDL_GRAMMAR_KEYWORD_FLAG_DEFINE(potential); - OVDL_GRAMMAR_KEYWORD_FLAG_DEFINE(allow); - OVDL_GRAMMAR_KEYWORD_FLAG_DEFINE(effect); - OVDL_GRAMMAR_KEYWORD_FLAG_DEFINE(ai_will_do); + using helper = dsl::rule_helper<potential, allow, effect, ai_will_do>; - static constexpr auto rule = [] { - constexpr auto create_flags = - potential_rule::flag.create() + - allow_rule::flag.create() + - effect_rule::flag.create() + - ai_will_do_rule::flag.create(); + struct List { + static constexpr auto rule = dsl::curly_bracketed.opt_list(helper::p | lexy::dsl::p<SAssignStatement<StringEscapeOption>>); - constexpr auto potential_statement = potential_p >> lexy::dsl::p<TriggerBlock>; - constexpr auto allow_statement = allow_p >> lexy::dsl::p<TriggerBlock>; - constexpr auto effect_statement = effect_p >> lexy::dsl::p<TriggerBlock>; - constexpr auto ai_will_do_statement = ai_will_do_p >> lexy::dsl::p<AiBehaviorBlock>; + static constexpr auto value = lexy::as_list<ast::AssignStatementList> >> construct_list<ast::ListValue>; + }; - return lexy::dsl::p<Identifier<StringEscapeOption>> >> - (create_flags + lexy::dsl::equal_sign + - lexy::dsl::curly_bracketed.list( - potential_statement | - allow_statement | - effect_statement | - ai_will_do_statement | - lexy::dsl::p<SimpleAssignmentStatement<StringEscapeOption>>)); - }(); + static constexpr auto rule = + dsl::p<Identifier<StringEscapeOption>> >> + (helper::flags + lexy::dsl::equal_sign + lexy::dsl::p<List>); - static constexpr auto value = - lexy::as_list<std::vector<ast::NodePtr>> >> - lexy::callback<ast::NodePtr>( - [](auto&& name, auto&& list) { - return ast::make_node_ptr<ast::DecisionNode>(LEXY_MOV(name), LEXY_MOV(list)); - }, - [](auto&& name, lexy::nullopt = {}) { - return ast::make_node_ptr<ast::DecisionNode>(LEXY_MOV(name)); - }); + static constexpr auto value = construct<ast::AssignStatement>; }; struct DecisionList { static constexpr auto rule = - LEXY_KEYWORD("political_decisions", lexy::dsl::inline_<Identifier<StringEscapeOption>>) >> - (lexy::dsl::equal_sign + lexy::dsl::curly_bracketed.opt_list(lexy::dsl::p<DecisionStatement>)); + ovdl::dsl::keyword<"political_decisions">(lexy::dsl::inline_<Identifier<StringEscapeOption>>) >> + (lexy::dsl::equal_sign >> lexy::dsl::curly_bracketed.opt_list(lexy::dsl::p<DecisionStatement>)); - static constexpr auto value = - lexy::as_list<std::vector<ast::NodePtr>> >> - lexy::callback<ast::NodePtr>( - [](auto&& list) { - return ast::make_node_ptr<ast::DecisionListNode>(LEXY_MOV(list)); - }, - [](lexy::nullopt = {}) { - return lexy::nullopt {}; - }); + static constexpr auto value = lexy::as_list<ast::AssignStatementList>; }; struct DecisionFile { @@ -111,15 +51,8 @@ namespace ovdl::v2script::grammar { static constexpr auto whitespace = whitespace_specifier | comment_specifier; static constexpr auto rule = - lexy::dsl::terminator(lexy::dsl::eof).list( // - lexy::dsl::p<DecisionList> | // - lexy::dsl::p<SimpleAssignmentStatement<StringEscapeOption>>); + lexy::dsl::position + lexy::dsl::terminator(lexy::dsl::eof).opt_list(lexy::dsl::p<DecisionList>); - static constexpr auto value = lexy::as_list<std::vector<ast::NodePtr>> >> lexy::new_<ast::FileNode, ast::NodePtr>; + static constexpr auto value = lexy::concat<ast::AssignStatementList> >> construct<ast::FileTree>; }; - -#undef OVDL_GRAMMAR_KEYWORD_DEFINE -#undef OVDL_GRAMMAR_KEYWORD_FLAG_DEFINE -#undef OVDL_GRAMMAR_KEYWORD_STATEMENT -#undef OVDL_GRAMMAR_KEYWORD_FLAG_STATEMENT }
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