diff options
Diffstat (limited to 'src/openvic-dataloader/v2script/ModifierGrammar.hpp')
| -rw-r--r-- | src/openvic-dataloader/v2script/ModifierGrammar.hpp | 49 |
1 files changed, 36 insertions, 13 deletions
diff --git a/src/openvic-dataloader/v2script/ModifierGrammar.hpp b/src/openvic-dataloader/v2script/ModifierGrammar.hpp index 96e928c..5b937d5 100644 --- a/src/openvic-dataloader/v2script/ModifierGrammar.hpp +++ b/src/openvic-dataloader/v2script/ModifierGrammar.hpp @@ -2,32 +2,55 @@ #include <openvic-dataloader/v2script/AbstractSyntaxTree.hpp> +#include <lexy/callback/container.hpp> #include <lexy/dsl.hpp> +#include <dryad/node.hpp> +#include <dryad/tree.hpp> + +#include "openvic-dataloader/NodeLocation.hpp" + #include "SimpleGrammar.hpp" #include "TriggerGrammar.hpp" +#include "detail/dsl.hpp" namespace ovdl::v2script::grammar { constexpr auto modifier_keyword = LEXY_KEYWORD("modifier", lexy::dsl::inline_<Identifier<StringEscapeOption>>); constexpr auto factor_keyword = LEXY_KEYWORD("factor", lexy::dsl::inline_<Identifier<StringEscapeOption>>); struct FactorStatement { - static constexpr auto rule = factor_keyword >> lexy::dsl::equal_sign + lexy::dsl::inline_<Identifier<StringEscapeOption>>; - static constexpr auto value = lexy::as_string<std::string> | lexy::new_<ast::FactorNode, ast::NodePtr>; + static constexpr auto rule = lexy::dsl::position(factor_keyword) >> (lexy::dsl::equal_sign + lexy::dsl::p<Identifier<StringEscapeOption>>); + static constexpr auto value = dsl::callback<ast::AssignStatement*>( + [](ast::ParseState& state, NodeLocation loc, ast::IdentifierValue* value) { + auto* factor = state.ast().create<ast::IdentifierValue>(loc, state.ast().intern("factor")); + return state.ast().create<ast::AssignStatement>(loc, factor, value); + }); + }; + + struct ModifierList { + struct expected_factor { + static constexpr auto name = "expected factor in modifier"; + }; + + static constexpr auto rule = [] { + auto factor_flag = lexy::dsl::context_flag<ModifierList>; + + auto element = (lexy::dsl::p<FactorStatement> >> factor_flag.set()) | lexy::dsl::p<TriggerStatement>; + + return dsl::curly_bracketed.list(factor_flag.create() + element) >> lexy::dsl::must(factor_flag.is_reset()).error<expected_factor>; + }(); + + static constexpr auto value = lexy::as_list<ast::AssignStatementList> >> construct_list<ast::ListValue>; }; struct ModifierStatement { static constexpr auto rule = - modifier_keyword >> - lexy::dsl::curly_bracketed.list( - lexy::dsl::p<FactorStatement> | - lexy::dsl::p<TriggerList>); - - static constexpr auto value = - lexy::as_list<std::vector<ast::NodePtr>> >> - lexy::callback<ast::NodePtr>( - [](auto&& list) { - return ast::make_node_ptr<ast::ModifierNode>(LEXY_MOV(list)); - }); + lexy::dsl::position(modifier_keyword) >> lexy::dsl::equal_sign >> lexy::dsl::p<ModifierList>; + + static constexpr auto value = dsl::callback<ast::AssignStatement*>( + [](ast::ParseState& state, NodeLocation loc, ast::ListValue* list) { + auto* factor = state.ast().create<ast::IdentifierValue>(loc, state.ast().intern("modifier")); + return state.ast().create<ast::AssignStatement>(loc, factor, list); + }); }; }
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